JPS61500960A - Single-hinged interlocking lid construction - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] Technical field The present invention relates to a cap clasp, and particularly to a cap clasp having an omega (ω)-shaped cross section and an occlusal part. The present invention relates to an occlusal type container lid clasp, which is comprised of an occlusal part that functions.

Background technique A known lid clasp for closing the lids of bags and similar containers made of plastic material. There are many things. Furthermore, methods for manufacturing plastic M fasteners are also widely known.

Lid clasps used for flexible containers are easy to open from the outside and do not open from the inside when in use. It must be difficult to open from the side. Generally speaking, such containers are It can be used whether the internal pressure is high or low, and the fastener is Whatever it is, it must be able to adequately seal the container.

Further, it is preferable that the lid clasp is easy to manufacture economically and has a relatively simple shape.

Moreover, its shape must be able to be changed according to requirements. for example, The lid clasp may have to be bent so that it is difficult to open and close, but usually at any time. It must also be relatively easy to close.

Additionally, when containers with lids and clasps are made of thermoplastic materials, Both side walls can be made integrally by extrusion molding, or they can be made separately and then joined together so that they do not separate. Sometimes I let them do it.

However, when making the container lid clasp and the part that attaches the lid odor using injection molding, The thermoplastic materials used are difficult to handle at high temperatures, e.g. during container manufacturing. It shrinks or twists to the point where it becomes a problem. Typical types used for lid fasteners and container walls Plastic materials include polyethylene, polyvinyl chloride copolymer, and synthetic rubber. However, many of these products do not have sufficient heat resistance as commercially available products, and many of these products do not have sufficient heat resistance. The lid clasp made of plastic material is flexible and difficult to open and close.

Disclosure of invention The problem with the lid clasp is solved by the following lid clasp, which is one aspect of the embodiment of the present invention. be done. That is, in a lid fastener having a first occlusal part and a second occlusal part, the first occlusal part 1 The occlusal part is shaped like an omega and has an apex and an outline extending from the apex. However, this profile has two inwardly curved arms, and the two arms are The end part has two hook parts facing inward, and the second occlusal part is the top part and this 11 part. a contour extending from the contour, the contour having a first arm and a second arm; The end portion of the first arm portion has an inwardly curved hook portion, and the hook portion is connected to the first arm portion. arranged so as to be able to contact one arm part of the first occlusal part to form a hinge connection; , the second arm part is fixed in contact with one arm part of the first occlusal part. It is a special feature in that it is attached to the sea urchin.

In another embodiment of the present invention, C has a first occlusal part and a second occlusal part. In the retention device, the first occlusal part is shaped like an omega, and the shape is either flat or slightly flat. It has a curved top and a contour extending from the top. This contour is inside It has two curved arm parts, and the ends of these two arm parts have two ends facing inward. the hook portion, and the second occlusal portion has a top portion and a contour portion extending from the top portion. , this profile has two arms, the end of one of which is curved inward. The hook part curves slightly outward from the other arm. The side parts curve inward. The first occlusal part and the second occlusal part have flexibility, Attached in such a way that they can be separated from each other by twisting parts and engaged in an overlapping manner. It is a closed structure.

Further, as an improved embodiment of the above embodiment, the contour portion of the second occlusal portion is curved outward. The end of one arm has an inwardly curved hook portion. , and the other arm part is connected to the other arm part when the remaining shell is closed. The part of the arm part that is closer to the base than the slightly outwardly curved end hook part, and Make contact with one arm of the joint.

In yet another embodiment of the present invention, the lid fastener has a flexible first occlusal This first bite part is shaped like an omega, and the top part and from this top part are shaped like an omega. It has an elongated profile and the top has a flat or slightly curved arch. the profile has two inwardly curved arms; Each arm extends further outward, and the end of the outwardly extending portion of each arm extends further outward. The hook part curves outward. The lid clasp includes a second occlusal part having flexibility. , this second occlusal part has an approximately flat or slightly curved arched apex and this apex. It has a contoured section extending from the section.

The contour of the second occlusal section includes one arm section that curves inwardly and approximately extending from the apex section. It has one substantially straight arm portion extending in a right angle direction. having the flexibility The first occlusal part and the second occlusal part straddle each other by separating at the twisting part. They can be attached so that they can be closed or opened in a way that allows them to fit together.

Brief description of the drawing FIG. 1 is a sectional view of the lid clasp shell according to the present invention in a closed state, and FIG. A cross-sectional view of the stirrup fastener in the closed state; FIG. 3 is another cross-sectional view of the lid fastener shown in FIG. 2; FIG. 3A; is a sectional view showing the main dimensions of the lid clasp in Figure 3, and Figure 4 is a sectional view showing the lid clasp in the closed state of Figure 3. FIG. 5 is a sectional view showing the state, half-open state, and open state of the lid clasp according to the present invention. A sectional view of the preferred embodiment in a half-open state, FIG. 6 shows another embodiment of the lid clasp of the present invention. Figure 7 is a cross-sectional view of the attachment tool in Figure 6 when it is in the open state, Figure 8 is the cross-sectional view of the fixture in the closed state. FIG. 8 is a sectional view of the lid clasp of FIG. 7 in an opened state;

BEST MODE FOR CARRYING OUT THE INVENTION The lid clasp of the present invention is made of polyethylene, polypropylene, polybutylene, etc. Fin-based synthetic resins, polyamide-based synthetic resins such as nylon, and other thermoplastic bras It can be made of polypropylene or a combination of these materials, but polypropylene or ethylene, propylene diene monomer rubber-like elastic materials or polypropylene monomers. Preferably, it is made from a mixed material such as pyrene and ethylene propylene copolymer. this lid The dimensions of the fastener can vary depending on the application and the material used. The reason is This is because the deflection rate and other physical properties change.

The lid clasp of the present invention can be made by extrusion, molding, or other known methods. Ru. In addition, the reed fastener may first have an interlocking part and then attach this to the container wall, It may be made integral with the container wall from the beginning. Also, depending on the application or manufacturing process requirements. , a flange may or may not be provided at the occlusal part on one or both sides of the cap clasp. stomach.

The fastener may be attached to the container or to the container-forming film in a known manner. can be set. For example, sandwich the lid clasp with container wall film, and Apply an electric heating device to the film and heat the border between this film and the lid clasp through this film. By heating and melting the film and applying a cold film, the film and closure will be connected.

The electric heating device may be of a rotating disk type, a resistance heating type, or a band-like heat transfer type. do not have.

In addition, a heat-welding adhesive is used to connect the film and the buckle to the boundary surface. Blowing high temperature air or other known methods can be used.

Lid clasps according to the invention are typically made of heat-sealable materials; It is economical to make a container by attaching it to a flexible film and heat-sealing this film. It is.

Using this lid clasp on a container provides many advantages to the container. For example, if the container is closed It becomes easier to In other words, when the lid clasp is closed, the occlusal parts of the lid clasp are twisted together. Therefore, even if the deflection rate of this occlusal part is large, the force can be Because it closes. This closing method is suitable for traditional shells, for example, when the female side of the occlusal part is What is the shape of the bag, or what type of hook part must be bent or twisted to open and close? Rent at all. Conventional lid clasp shells require bending the base when opening and closing, and the lid If the clasp has a rigid structure (well, the elasticity of the occlusal part is used to hook the clasp before opening). The unmarked end must be shifted longitudinally.

Hereinafter, the present invention will be explained in detail using the drawings.

FIG. 1 is a sectional view of the lid seedling tool according to the present invention in the (2) closed state. This diagram shows The first occlusal part 10, which determines thoraxability, is approximately shaped like an omega. , this first occlusal part 10 has a flange part 11, and this flange part 11 is made of thermoplastic material. Bonded to a film made of plastic material. The first occlusal part 10 is the top part 1- 2, the top 12 of which is typically flat or slightly curved; From 12 a contour extends, which contour has two inwardly curved arms 13.13 ', and the end of this arm part 13.13' has two outwardly curved hook parts 1. It is 4.14'. The second occlusal part 15 has flexibility and is attached to the flange part 16. combined and having an apex 17 which is flat or slightly curved in shape. . A contour portion extends from this top portion 17, and this contour portion consists of two approximately parallel arm portions 1. 8.18'. The end of this one arm portion 18' has an inwardly curved hook. The other arm part 18 curves slightly outward in the middle and clamps. 20 is formed. As shown in Figure 1, the occlusal part is in a closed state. When the hook part 14' of the first occlusal part 1Q and the hook part 19 of the second occlusal part 15 are The arm part 18 and the clamp part 20 of the second occlusal part 15 engage with the first occlusal part 10. It contacts and is fixed to the arm portion 13. Further, as shown in FIG. The hook part 9 is curved inwardly at the end of the arm part 13'. A portion 20 extending outwardly of the arm portion 18 is in hinge contact engagement with the hook portion 14′. It is fixed by contacting and engaging with the hook portion 14 curved outwardly at the end of the arm portion 13.

As shown in FIG. However, the arm part 18 and the fixing part 20 of the second occlusal part 15 are connected to the arm part 1 of the first occlusal part 1o. It is between 3.13'. When the lid clasp is coupled to a plastic container, the The arm portion 13 and the hook portion 14 are located closest to the outside of the mouth of this container. Portion 18' is located closest to the inside of the mouth of the container.

FIG. 2 is a cross-sectional view of another embodiment of a closure according to the present invention in a closed state. child As shown in the figure, the first occlusal part 21 is flexible, has an omega shape, and The flange portion 22 is connected to a plastic container. . The top 23 of the closure 21 has a slightly curved arc or a generally flat shape; Extending from the top 23 is a profile which forms an inwardly curved arm 24.24'. The end of each arm portion 24, 24' has an outwardly curved hook portion 25. It becomes ゜25'. The second interlocking part 26 of the second cause is connected to the flange part 27, and the top part 2 8, the top 28 of which is flat or slightly curved. Is this the top 28? A contour extends from the outside and has two outwardly extending arms 29,29'. do. The end of the arm part 29' becomes a hook part 30 that curves inward, and the arm part 29' The portion before reaching the two ends becomes a slightly curved portion 31.

As shown in FIG. 2, when the closure is in the closed state, the hook of the first occlusal part 21 is The hook portion 25' and the hook portion 30 of the second bite portion 26 are engaged with each other, and the arm of the second bite portion 26 is The portion 29 and the hook 8B31 contact the hook portion 25 of the first occlusal portion 21. Figure 2 As shown in FIG. contacting and hingedly connected to the hook portion 25' curved outwardly at the end of the arch. The hook portion 25 curved outward at the end of the arm portion 24 is curved outward at the end of the arm portion 29. It is fixed by contacting and engaging with the bent hook portion 31.

Furthermore, as shown in FIG. 2, the first occlusal part 21 and the second occlusal part 26 interlock and close. The hook part 30 of the second occlusal part 26 is the same as the hook of the iT1 occlusal part 21. The arm part 29 and hook part 31 of the second occlusal part 26 overlap the first occlusal part 25'. It overlaps with the hook part 25 of the part 21. Therefore, when the N clasp is closed, the second The two arm parts and the hook part 31 of the engaging part 26, and the hook part 25 of the first engaging part 21. has a structure that allows easy separation, and the hook part 30 of the second occlusal part 26 and the hook part 30 of the first occlusal part 21 The lock portion 25' forms a hinge structure, and this hinge structure does not rotate considerably. It won't open until long.

FIG. 3 is a sectional view of the lid clasp of FIG. 2 in a free state; The first occlusal part 21 in this figure is the same as in Fig. 2, but the second occlusal part 26 is the same as Fig. 2, and the hook part 31 is the same as in Fig. 2. until the section 31 contacts the arm section 24 or is bent outward by the arm section 24. The arm portion 24 of the first occlusal portion 21 as shown at 31° 31″ until it is removed. Gradually deforms laterally inward. Therefore, when the clasp is closed, the arm 29 and the degree of inward curvature of the hook portion 31 is continuous as shown by symbols 31' and 31''. , the first occlusal part 21 and the second occlusal part 26 gradually become difficult to separate, It won't open unless you apply a lot of force. Insert the hook part 31 to the position 31''. If it is curved to the side, the external force required to open the first occlusal part 21 and the second occlusal part 26 is Approximately 0.2268ka (approximately 0.5 bonds) to approximately 0.9072kg (approximately 2 bonds) ) was found to increase. Further, the hook portion 31 is moved from the position 31' to the position 31'. Since it makes strong contact with the hook part 25 until the 31'' position, the first occlusal part 21 and the first It was also found that this part had to be bent strongly when opening the second occlusal part. Said When using the lid clasp, the hook portion 31 is designated by the symbol 31.31', 31''. In this position, it acts as a clamp to keep this lid clasp in the closed position. Same as that Similarly, the hook part 25' and the hook part 30 connect the first occlusal part 21 and the second occlusal part 26. Since the hook portion 25' acts as a hinge when opened, the hook portion 25' is attached to the flap as shown in FIG. rotates with respect to the hook portion 30.

FIG. 3A is a cross-sectional view of the retaining device, and in this FIG. 3A, the second occlusal part having flexibility is It has also been modified to follow the hook portion located at 31'' in Figure 3A. Typical dimensions of the lid clasp are as follows: That is, Code A is approximately 1.27 to 25.4 mm (approximately 0.050 to 0.100 inches); Preferably about 1.982 mm (about 0.078 inch), and B is about 1.016 mm. to 2.032 mm (about 0.040 o, oso inches), preferably about 1.7 02mm (about 0.06 inches), code C is about 1.016 to about 2.032m, m (approximately 0.040 to 0.080 inches), good size L < HA approx. 1.524 mm (approximately 0.060 inch), the code is approximately 0.178 to 0.305 mm (approximately O 1007 to 0.012 inch), preferably about 2.286 mm (about 0.009 inch) inch), code E1. approximately 0.203 to 0.381 mm (approximately 0.008 to 0.381 mm 0.015++': zchi), the preferred width is approximately 0.274mm (approximately 0.011 inch) h), code F is approximately 0.203 to 0.381 mm (approximately o, ooa to 0.015 inch), preferably about 0.330 mm (about 0.013 inch), symbol G is about 0 ．． 203 to 0.381 mm (approximately 0.008 to 0.015 inches), preferably is approximately 0.305 mm (approximately 0.012 inch), and symbol H is approximately 0.203 to 0.3 81 mm (approximately 0.008 to 0.015 inches), preferably approximately 0.274 mm (approximately 0.011 inch), symbol I is approximately 0.178 to 0.305 mm (approximately 0.01 inch). 007 to 0.012 inch>, Good! L (is F + 0.203mm (approximately 0.00 8 inches), the code is approximately 0.203 to 0.381 mm (approximately 0.008 to 0.8 inches). 015 inch), preferably about 0.279 mm (about 0.011 inch), code is approximately 0.203 to 0.381 mm (approximately 0.008 to 0.015 inch), preferably Preferably about 0.305 mm (about 0.012 inch), code M about 0.229 from about 0.009 to 0.020 inches, preferably from about 0.508 mm (about 0.009 to 0.020 inches). 432mm (approximately 0.01 finch), code R is approximately 1.549 to 3.302mm (approximately 0.061 to 0.130 inches), the preferred width is approximately 2.743 mm (approximately 0. 108 inches), code S is approximately 1.016 to 2.667 mm (approximately 0.040 to 0.105 inch), the preferred width is approximately 1.981 mm (approximately 0.078 inch). be.

As shown in FIG. 3A, the symbol A is from the first negative part of the first occlusal part of the lid clasp to the second occlusal part. This is the height to the top of the section.

Reference numeral B indicates the distance from the top of the second bite part to the tip of the second arm part of the second bite part. It's height.

Symbol C is from the top of the first occlusal part to the highest part of the contour of the first occlusal part. It is the height of

The symbol R is from the widest part of the first arm part of the second occlusal part to the second arm part of this second occlusal part. This is the width to the widest part of the arm.

The symbol S is the width from tip to tip of the hook portion facing outside of the first occlusal portion.

Figure 4 shows the closed, partially opened and open positions of the volume clasp shown in Figure 2. FIG.

When opening and closing the closure according to the invention, one or both of the occlusal parts of the closure are initially It is common to see twisting and opening on both sides of the point where a force is applied. Is Rukoto. This twisting and opening of the occlusal part should be done to the extent that only stress is generated. If it is made smaller, the force that opens the occlusal part will be reduced. The twisting action Continue until the opening is finished.

FIG. 4 shows the hook portion of the second occlusal portion of the M fastener explained in FIG. 3, indicated by the reference numeral 31'. It when it is in position! Part 1 is not shown. That is, the M clasp is closed. When the hook portion 31′ of the second occlusal portion 26 comes into contact with the arm portion 24 of the first occlusal portion 21, Or, the hook part 25 of the first occlusal part 21 contacts the two arm parts of the second occlusal part 26. touch

In order to open the lid clasp, the opening force is normally applied to the hook portion 31' of the second occlusal portion 26 and In addition to the two arm parts, the hook part 25 and the arm part 24 of the first occlusal part 21, The hook part 31' of the second occlusal part 26 and the two arm parts are connected to the hook part 31' of the first occlusal part 21. 25 and the arm portion 24. The above-mentioned parts of the retaining device are indicated by arrows in Fig. 4. It rotates in an arc of approximately 35 degrees to the angle indicated by the symbol △. Said answer fastener To open and close the cup, the angle shown at 8B in FIG. , rotate it in an arc. At this time, the arm portion 24' of the first occlusal portion 21 and The hook portion 25' is separated from the hook portion 30 of the second bite portion 26 and is attached to the hook portion 30 of the second bite portion 26. The first occlusal section 21 is separated from the second occlusal section 26 by rotating around the hook section 30 .

When it is desired to reduce the radius of rotation when the fastener starts to open, the first occlusal part 21 and The second occlusal part 26 is improved as shown in FIG. The lid clasp shown in Figure 5 is shown in Figure 4. The following changes have been made to the lid clasp.

That is, the inner curvature of the hook portion 30 is made smaller. When opening this lid clasp, The hook part 31' of the engaging part 26 and the arm 29 are connected to the hook part 25 of the first engaging part 21 and If the two interlocking parts continue to rotate even after being separated from the arm part 24, the second interlocking part 26 will be rotated. The hook part 3o holds the arm part 24' and the hook part 25' of the first occlusal part 21 with a lever action. Move it approximately 75 degrees in an arc. The hook portion 30 of the second occlusal portion 26 and the second 1. The contact point of the occlusal part 21 with the arm part 24' is near the position marked with the symbol in FIG. , contact between the hook part 3o of the second occlusal part 26 and the hook part 25' of the first occlusal part 21 The point will be near the position of the symbol M. If you use this occlusal part, it will have a negative effect on the closing condition. It has been found that the lid clasp can be opened quickly with a small rotation without spilling.

It should be noted here that the above explanation also applies when the lid clasp is closed; In some cases, the order is reversed and the hooks re-engage to form a hinged connection, causing The contact between the hook part and the arm part, which had been rotating in the opposite direction, is broken, and the hook part moves further, causing reocclusion. finish. In this way, place the hook part of the M clasp and the end of the arm part in the closed position. hold This type of opening/closing is not recommended for all containers whose closures are made of plastic. This is possible if it is provided on the side edge of the opposite side.

FIG. 6 is an open cross-sectional view of another embodiment of the invention. Shown in this diagram As such, the lid clasp includes a flexible first occlusal portion 4Q approximately in the shape of an omega 7; The first occlusal part 40 has a substantially flat or slightly curved top part 41 and a top part 41 extending from the top part. It has a contour part. This contour curves inwards; two arm parts 42, 42' and an arm portion 43 extending outward from this inwardly curved arm portion 42, 42'. ．． 43', and the end of this outer extending arm part 43.43' extends outward. It has a curved hook portion 44. This lid clasp has a flexible second occlusal part 4. 5, and this second occlusal part 45 has a substantially flat or slightly curved apex 46; and a contour extending from the section. The lateral part extending from this second occlusal part curves inward. an arm portion 47, a hook portion 48 curved inwardly at the end of the arm portion; It has four substantially straight arm portions extending in substantially perpendicular directions from the top.

FIG. 7 is a sectional view of the blue clasp of FIG. 6 in a closed state. As shown in this figure 7 , when the Masunuma appliance is in the closed state, the arm part 49 of the second occlusal part 45 is in the first occlusal position. This arm portion 4 is inserted between the arm portions 43 and 43' that are curved outwardly of the joint portion 40. 3.43', and the hook part 44 of the first occlusal part 40 contacts the hook part of the second occlusal part 45. It is fixed to the lock portion 48. Further, as shown in FIG. 7, the outer side of the end of the arm portion 43 The hook portion 44 is curved inwardly, and the hook portion 48 is curved inwardly at the end of the arm portion 47. The arm portion 49 engages with one or both of the arm portions 43 and 43'. to keep the lid clasp closed. In either case, the arm portion 49 is It must be in contact with at least one of the arm portions 43, 43'. child When the lid clasp is attached to the container, the hook part 44' and the arm part 49 are in the front position. The hook portions 44 and 48 face the inside of the container. is preferred. Therefore, when the lid clasp according to the invention is attached to a container, , it can be opened relatively easily from the outside of this container, but there is no comparative extenuating capacity to open it from the inside of this container. hard. Therefore, the 4 stops attached to this container should be placed inside the container IIt. You can prevent things from spilling out.

FIG. 8 is a sectional view of the h-fastener shown in FIG. 7 in a half-opened state. As shown in this figure 8 , when opening the second occlusal section 45 and the first occlusal section 40, first open the arm of the first occlusal section 40. portions 43 and 43' from the arm portion 49 of the second occlusal portion 45. Said first occlusion When the part 40 and the second occlusal part 45 are further rotated to separate into the phase η, the first occlusal part 45 is separated into the phase η. After rotating the hook part 44 of the part 40 around the hook part 48 of the second occlusal part 45, By slidingly pulling away from this hook portion 48, the first and second occlusal portions are separated. When released, this lid clasp will open completely.

The preferred closure of the present invention provides the necessary force to open a commercially available plastic container. Evaluation was made in comparison with the attached lid clasp. All of this evaluation was performed using the test lid clasp A test piece was cut into a length of 2.4 mm (6 inches). of each test piece On the inside, outside, or inside and outside of the flange part, fold in two with a width of 25.4 mm (1 inch). The female part of this specimen was subjected to an Instron tensile test. Attach the test piece to the upper gripper of the machine (registered trademark), and insert the female part of the test piece into the machine. Attach it to the lower grip of the TRON tensile tester and apply the maximum force to open this test piece. The value can now be recorded on a strip chart recorder. Measurement is based on the above 5 tests The average value was used as the reported measurement value.

The tensile stroke of the test piece was 508 mm/min (20 in/min), and the full scale The load was 9.072 kc+ (20 bond). Close each of the five essay pieces one by one. The procedure of closing the bag and putting it on a tensile tester, then closing it and putting it on a tensile tester is done in one test. This was done 5 times for each piece.

Therefore, the reported measurements are the average of 25 measurements performed on each specimen. Ru.

The Instron tensile testing machine has a formula number of 1130 and a load range of 0 to 9. ．． A 072kC1 (O to 20 bond) rBJ load cell was used. This tension The initial calibration procedure for the test machine is as follows. i.e. pen recorder and chart recorder Activate the zero button, press the zero button, and turn the zero point adjustment knob while pressing the zero button. After setting the reading on the recorder to 0.00, return the zero button to its original position and press the recorder. Set the scale selector switch to the scale of 1°2.5.10.20. coarse adjuster Turn it so that the recorder pen swings only to the left with the zero point on the right side, and then turn the coarse adjuster. With the mark on its side, turn the fine:l adjustment knob and set the recorder's pen to ○ and OO.

A 9.072ko (20 bond) weight was placed in the upper jaw of the Instron tensile tester. and adjust the regulator so that the recorder reads at full scale. Before The recorder must read 0.00 when the weight is removed. Before If the reading of the recorder becomes 0.00 again when you press the zero button and leave it alone. There must be.

Test piece 1 was manufactured by The Dow Chemical Company (Midstrand, Michigan, USA) with diblock (ZI) The lid clasp of the container sold under the trade name PLOG (u-registered trademark) becomes weak. This close The filling is said to be made of low-density polyethylene with a density of 0.921g/crn3. It is.

Test piece 2 was prepared by Dow Chemical Company using diblock microfreeze (ZIPLOCMicr). This is a container closure commercially available under the trade name (ofreez).

Test piece 3 was manufactured by Union Carbide Corp. tion) is commercially available under the trade name of SNAP LOCK (registered trademark). This is the boiling tool in the container that is sold. This retaining device has a low density of 0.923g/cm”. Made of density polyethylene.

Test piece 4 is the lid clasp according to the present invention shown in FIG. (The hook portion has a shape indicated by reference numeral 31'.

Test piece 5 has an M fastener attached to the present invention, which is similar to the one explained in Fig. 3. , the hook portion of the second occlusal portion has a shape indicated by the reference numeral 31″.

The lid clasps of test specimens 4 and 5 were filled with water in a small portion with one hang of the lid clasp as the denominator. Consisting of approximately 84% polyethylene copolymer resin and J ethylene brobylene diene B It is made of a plastic material consisting of 15% elastic resin and 1% lubricant.

In the tensile test, the force when opening the container from the outside and the force when opening the container from the inside are determined. was recorded. The force that opens the container from the outside is the force required to open the blue clasp from the outside of the container. The force required to open the container from the inside is the force required to open the container from the inside. It is a necessary power.

The results of the tensile test are shown in Table 1 below.

Table 1 Test piece opening force (kg (pounds)) Force ratio Inner side Outer side (Inner side :outside) 11.724kg (3,8 bond > 0.680kq (1,5; l?nd) 2 ．． 5:1.02 1.497 (3,3) 0.726 (1,6 〃)　2.1:1.03　2.041　jI　(4,5〃〃)　1.134　 J! <2.5 Il) 1.8:1.044.536IT<10.01 0 ．． 2271! (0,5)ri20.0=1.05 5.443 (12,○ ! >0.907 (2,0) 6.0:1.0 From Table 1 above, this The force required to open Ming's lid clasp from the inside is two to three times greater than commercially available lid clasps. The lid clasp according to the invention has the lowest capacity and requires the least force to open from the outside. It can be seen that it can be opened easily and smoothly.

Further, the lid clasp based on the present invention is provided with a gas-insulating material when attached to the container. A wire can be used, or the wire can be bundled. Also, this close In addition to using a flexible straw in the tool to improve the seal on the engagement surface, this lid clasp is To prevent the M clasp from being crushed by the space formed by this straw when bent. Can be done.

The lid clasp of the present invention can generally be made into various shapes depending on the intended use. the occlusion [In addition to the embodiments described above, the film can also be attached to both sides of the film.

Such a clasp is suitable for wrapping or gathering wires, etc. Take it to film The attached occlusal areas should normally be parallel to each other, but this structure is Therefore, it can be changed.

Industrial applicability As described above, the lid clasp according to the present invention is useful as a lid clasp for closing the lids of various containers. It is.

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Claims (1)

[Claims] 1. In a lid fastener having a first occlusal part and a second occlusal part, the first occlusal part is It has a shape similar to that of a horse, and has a top and a profile extending from the top, and the profile has two inwardly curved arms, the ends of which curve inwards. Direction the second hook portion has a top portion and a contour portion extending from the top portion; the contour portion has a first arm portion and a second arm portion; the first arm portion has two hook portions; The end portion has an inwardly curved hook portion, the hook portion being arranged to contact one arm portion of the first articulating portion to form a hinged connection, and the second arm portion being arranged to form a hinged connection with one arm portion of the first articulating portion. It is provided so as to be fixed in contact with one arm part of one occlusal part. A lid clasp featuring: 2. The lid fastener according to claim 1, wherein the arm portions of the second occlusal portion are parallel to each other. 3. Claims characterized in that the arm portion of the second occlusal portion is curved outward. The lid clasp described in box 1. 4. 2. The lid fastener according to claim 1, wherein the first arm portion of the second occlusal portion is curved inward on the root side of the hook portion at the end thereof. 5. The lid fastener according to claim 1, wherein the second arm portion of the second occlusal portion has an end extending outward. 6. A claim characterized in that a portion of the second occlusal portion on the base side extends outward from the end portion. The lid clasp described in item 5 of the scope of request. 7. 2. The lid fastener of claim 1, wherein the second arm of the second articulating part is substantially straight and extends substantially perpendicularly from the top of the second articulating part. 8. The first occlusal part and the second occlusal part can be fixed if their twisted parts engage with each other. They can be attached so that they close together and the twisted parts separate when opened. The lid fastener according to claim 1, characterized in that: 9. The first occlusal part and the second occlusal part become heavy when their twisted parts engage with each other. 2. The lid fastener according to claim 1, wherein the lid clasp closes together and opens when the twisted portions are separated. 10. 2. The lid fastener according to claim 1, wherein the top portion of the first occlusal portion is arch-shaped. 11. 2. The lid fastener according to claim 1, wherein the top of the first occlusal portion is substantially flat. 12. A claim characterized in that the hook portion facing outside of the first occlusal portion is curved. The lid clasp described in item 1 of the scope of request. 13. 2. The lid fastener according to claim 1, wherein the top of the second occlusal part is arched. 14. 2. The lid fastener according to claim 1, wherein the top portion of the second occlusal portion is substantially flat. 15. The first occlusal part and the second occlusal part are made of thermoplastic plastic material. The lid fastener according to claim 1, characterized in that: 16. The thermoplastic alast material is made of polyolefin synthetic resin or polyamide. 16. The lid fastener according to claim 15, wherein the lid fastener is selected from synthetic resins. 17. The polyolefin synthetic resin is polyethylene, polypropylene, or polyethylene. 17. The lid fastener according to claim 16, characterized in that the lid fastener includes a rib cage. 18. The first occlusal part and the second occlusal part are made of polypropylene and ethylene propylene. A material that is a mixture of rubber-like polymers of diene monomers, polypropylene and ethylene polymers. A rubber-like copolymer of polypropylene. The lid clasp described in item 1 of the scope of request. 19. The height from the top of the first occlusal part to the top of the second occlusal part in the closed state of the lid clasp is about 1.77 to 2.54 mm (about 0.050 to 0.100 inches). The lid fastener according to claim 1, characterized in that: 20. From the top of the second occlusal section to the tip of the second arm section of the second occlusal section. 1.016-2.032 mm (approximately 0.040-0.080 inches) The lid fastener according to claim 1, characterized in that: (h). 21. The height from the top of the first occlusal part to the highest part of the first occlusal part is about 1.016 to 2.032 mm (about 0.040 to 0.080 inches). The lid fastener according to claim 1, characterized in that: 22. The width from the widest part of the first arm part of the second occlusal part to the widest part of the second arm part of the second occlusal part is approximately 1.549 to 3.302 mm (approximately 0.061 to 0.02 mm). 130 inches). 23. The distance between the tips of the hook portions facing outward of the first occlusal portion is approximately 1.016 to 2. 667 mm (approximately 0.040 to 0.105 inches) The lid clasp described in item 1 of the scope of request. 24. In the lid clasp having a first occlusal part and a second occlusal part, the first occlusal part is an occluded part. It is shaped like a mega-letter and has a top and a contour extending from the top, the contour having two inwardly curved arms, the ends of which curve inwards. the second occlusal part has a top and a profile extending from the top, the profile has a first arm part and a second arm part, and the second hook part has a first arm part and a second arm part; The end portion has an inwardly curved hook portion, and the hook portion is connected to one of the first occlusal portions. The second arm is arranged so as to form a hinge connection by contacting the second arm. A lid fastener characterized in that an end of the arm part faces outward and is provided so as to contact and engage with one arm part of the first occlusal part and be fixed thereto. 25. 25. The lid fastener according to claim 24, wherein the end of the second arm part of the second occlusal part is curved inward at the root side of the outwardly extending part. 26. The lid fastener according to claim 24, wherein the top of the first occlusal part is arch-shaped. 27. The lid fastener according to claim 24, wherein the top of the first occlusal part is substantially flat. 28. The hook portion facing outward of the first occlusal portion is curved. The lid clasp according to item 24 of the scope of request. 29. The lid fastener according to claim 24, wherein the top of the second occlusal part is arch-shaped. 30. The lid fastener according to claim 24, wherein the top of the second occlusal part is substantially flat. 31. Claim 24, wherein the first occlusal part and the second occlusal part are attached so that when their twisted parts engage with each other, they straddle each other and close, and when they open, their twisted parts separate. Lid clasp as described in . 32. The first occlusal part and the second occlusal part are made of thermoplastic plastic material. The lid fastener according to claim 24, characterized in that: 33. The thermoplastic alast material is made of polyolefin synthetic resin or polyamide. 33. The lid clasp according to claim 32, wherein the lid clasp is selected from among grooves made of carbon-based synthetic resin. 34. The polyolefin synthetic resin is polyethylene, polypropylene, or polyethylene. 34. The lid clasp according to claim 33, characterized in that it includes a ribbed tie. 35. The first occlusal part and the second occlusal part are made of polypropylene and ethylene propylene. It is characterized by being made of a material mixed with an elastic polymer of ethylene monomer, and a material mixed with an elastic copolymer of polypropylene and ethylene polypropylene. The lid fastener according to claim 24. 36. In the lid clasp having a first occlusal part and a second occlusal part, the first occlusal part is an occluded part. It is shaped like a mega-letter and has a top and a contour extending from the top, and the contour has two inwardly curved arms, the ends of which are curved inwards. The second occlusal part has a top and a profile extending from the top, the profile has a first arm and a second arm, and the second hook has a first arm and a second arm. and a second arm portion faces outward, and an end of the first arm portion has an inwardly curved flap. The hook portion contacts one arm portion of the first occlusal portion to provide a hinge. The end of the second arm part is curved outward and is arranged to be fixed in contact with one arm part of the first abutment part. A lid clasp featuring: 37. 37. The lid fastener according to claim 36, wherein the top of the first occlusal part is arch-shaped. 38. 37. The lid fastener according to claim 36, wherein the top of the first occlusal part is substantially flat. 39. The hook portion facing outward of the first occlusal portion is curved. The lid clasp according to item 36 of the scope of request. 40. 37. The lid fastener according to claim 36, wherein the top of the second occlusal part is arch-shaped. 41. 37. The lid fastener according to claim 36, wherein the top of the second occlusal part is substantially flat. 42. The second arm portion of the second occlusal portion is attached from the outwardly curved portion of the end thereof. 37. A lid clasp according to claim 36, characterized in that it curves inward on the proximal side. 43. Claim 36, wherein the first occlusal part and the second occlusal part are attached so that when their twisted parts engage with each other, they straddle each other and close, and when they open, the twisted parts separate. Lid clasp as described. 44. The first occlusal part and the second occlusal part are made of thermoplastic plastic material. The lid fastener according to claim 36, characterized in that: 45. The thermoplastic alast material is made of polyolefin synthetic resin or polyamide. 45. The lid clasp according to claim 44, wherein the lid clasp is selected from among grooves made of carbon-based synthetic resin. 46. The polyolefin synthetic resin is polyethylene, polypropylene, or polyethylene. 46. The lid clasp according to claim 45, characterized in that it includes a ribbed tie. 47. The first occlusal part and the second occlusal part are made of polypropylene and ethylene propylene. It is characterized by being made of a material mixed with an elastic polymer of ethylene monomer, and a material mixed with an elastic copolymer of polypropylene and ethylene polypropylene. The lid fastener according to claim 36. 48. The height from the top of the first occlusal part to the top of the second occlusal part in the closed state of the lid clasp is about 1.77 to 2.54 mm (about 0.050 to 0.100 inches). 37. A lid clasp according to claim 36, characterized in that: 49. From the top of the second occlusal section to the tip of the second arm section of the second occlusal section. 1.016-2.032 mm (approximately 0.040-0.080 inches) 37. The lid fastener according to claim 36, characterized in that: h). 50. The height from the top of the first occlusal part to the highest part of the first occlusal part is about 1.016 to 2.032 mm (about 0.040 to 0.080 inches). The lid fastener according to claim 36, characterized in that: 51. The width from the widest part of the first arm part of the second occlusal part to the widest part of the second arm part of the second occlusal part is approximately 1.549 to 3.302 mm (approximately 0.061 to 0.02 mm). 130 inches) as set forth in claim 36. Lid clasp. 52. The distance between the tips of the hook portions facing outward of the first occlusal portion is approximately 1.016 to 2. 667 mm (approximately 0.040 to 0.105 inches) The lid clasp according to item 36 of the scope of request. 53. In the lid clasp having a first occlusal part and a second occlusal part, the first occlusal part is an occluded part. It is shaped like a mega-letter and has a top and a profile extending from the top with two inwardly curved arms that have two inwardly facing arms. an arm portion extending outward from each of the inwardly curved arm portions, an end of each of the outwardly extending arm portions being an outwardly curved hook portion, and the second interlocking portion having a top portion and a hook portion; a profile extending from the top, the profile having a first arm and a second arm, an end of the first arm having an inwardly curved hook; is arranged so as to be able to contact one of the arms of the first occlusal part to form a hinge connection, extends in a direction substantially perpendicular to the top of the second arm part, and extends at least in the first occlusal part. A lid fastener characterized in that it is provided so as to be fixed by contacting one arm part. 54. 54. The lid fastener according to claim 53, wherein the top of the first occlusal part is arch-shaped. 55. 54. The lid fastener according to claim 53, wherein the top of the first occlusal part is substantially flat. 56. The hook portion facing outward of the first occlusal portion is curved. The lid clasp according to item 53 of the scope of request. 57. 54. The lid fastener according to claim 53, wherein the top of the second occlusal part is arch-shaped. 58. 54. The lid fastener according to claim 53, wherein the top of the second occlusal part is substantially flat. 59. Claim 53, wherein the first occlusal part and the second occlusal part are attached so that when their twisted parts engage with each other, they straddle each other and close, and when they open, the twisted parts separate. Lid clasp as described. 60. The first occlusal part and the second occlusal part are made of thermoplastic plastic material. The lid fastener according to claim 53, characterized in that: 61. The thermoplastic alast material is made of polyolefin synthetic resin or polyamide. 61. The lid clasp according to claim 60, wherein the lid clasp is selected from among grooves made of carbon-based synthetic resin. 62. The polyolefin synthetic resin is polyethylene, polypropylene, or polyethylene. 62. The lid clasp according to claim 61, characterized in that it includes a ribbed tie. 63. The first occlusal part and the second occlusal part are made of polypropylene and ethylene propylene. It is characterized by being made of a material mixed with an elastic polymer of ethylene monomer, and a material mixed with an elastic copolymer of polypropylene and ethylene polypropylene. The lid fastener according to claim 53.