JPH06312754A - Composite container for low-viscosity liquid - Google Patents

Abstract

(57) [Abstract] [Objective] The present invention provides, for example, a solvent volatilizing adhesive, a chemical solution,
The present invention relates to a composite container for a low-viscosity liquid that contains a low-viscosity liquid such as food and ink. A container main body having a main body for containing the content and a mouth portion for discharging the content from the main body and screwed into a nozzle,
In a composite container provided with a nozzle screwed to the container body and a cap formed by closing a discharge port of the nozzle, a male screw tip provided at the mouth of the container body has a female screw lower end provided at the nozzle. A composite container for a low-viscosity liquid, which is characterized in that the composite container is inserted into a container and can be temporarily bonded. [Effects] According to the low viscosity liquid composite container of the present invention, temporary joining can be easily performed by lightly pushing the nozzle into the mouth portion of the inner container body, and thus it is difficult to separate the two in the manufacturing process and the distribution process. , Its handling becomes easy.
Particularly in the process of manufacturing the low viscosity liquid composite container,
There is also an advantage that the temporary coupling can be easily performed by a simple operation of simply pushing the nozzle portion into the mouth portion of the inner container body, and the productivity can be improved.

Description

Detailed Description of the Invention

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a low-viscosity liquid composite container containing a low-viscosity liquid such as a solvent volatilization type adhesive, a chemical liquid, food, ink and the like.

[0002]

2. Description of the Related Art Liquid adhesives, which are representative of low-viscosity liquids, include those of different types such as solvent volatilization type and humidity curing type, but plastic tubes are used for solvent volatilization type adhesives. No, and moisture-curable adhesives cannot use moisture-permeable plastic tubes. For this reason, these types of adhesives use metal tubes such as aluminum tubes and lead tubes. However, since the metal tube has no restoring force, after discharging the adhesive that is the content,
So-called liquid sagging will occur. This phenomenon becomes more prominent when the content has a low viscosity such as an instant adhesive. Further, since the metal tube has no restoring force, a recess is left as it is used, which makes it difficult to use, and it deforms in appearance, resulting in poor appearance. Furthermore, the metal tube cannot be stood up, and when it is laid down in the middle of use, it has to be capped one by one to prevent the contents from leaking out, which feels complicated. In addition, when the content is small, the metal tube is small and difficult to handle.

In order to solve these problems, for example, as disclosed in Japanese Utility Model Publication No. 58-8682 and Japanese Utility Model Publication No. 62-44914, a cylindrical elastic tube or a tubular plastic is provided on the outer periphery of the metal tube. It is proposed to be fitted. However, this method restores the metal tube by the elastic restoring force of the elastic tube or tubular plastic, and as a result, sucks the discharged material accumulated at the outlet, so that the metal tube does not have sufficient resilience and is discharged. The suction power to suck things is weak. In particular, there is a problem that the restoring force becomes weaker as it is used, and the purpose cannot be sufficiently achieved.

As a result of earnest research, the present inventors have found that as a low-viscosity liquid composite container that solves this problem, an inner container having a main body for containing the contents and a mouth portion for discharging the contents from the main body, the inside An inventor has previously invented and applied for a patent for an outer container that covers the main body of the container and a device that includes a rubber-like elastic body as a pressure medium interposed between the inner container and the outer container. According to this prior invention, the restoring force of the outer container is surely transmitted to the inner container by the pressure medium, the resilience of the inner container is sufficiently enhanced, liquid dripping can be surely prevented, and the contents are kept until the end. It can be discharged.

However, in the composite container for low-viscosity liquid according to this prior invention, a nozzle is screwed into the mouth of the inner container,
Further, when the cap that closes the discharge port of the nozzle is configured to be screwed into the nozzle, the cap is strongly screwed,
If the cap adheres to the nozzle due to the discharged material that has flowed down onto the outer peripheral surface of the nozzle, or if the discharged material that has flowed down onto the outer peripheral surface of the nozzle hardens and forms a bulge on the outer peripheral surface of the nozzle, the nozzle will cap when removing the cap The nozzle may be screwed together with the nozzle, and the nozzle may be unwound from the mouth of the inner container.

Therefore, in consideration of the above circumstances, the present inventors prevent the cap from being strongly screwed to a certain value or more, and prevent the nozzle from entraining when the cap is unscrewed. The inventors have invented a composite container for low-viscosity liquids, and have applied for a patent (Japanese Patent Application No. 4-348251). In this prior invention, an inner container having a main body for accommodating contents and a mouth portion for ejecting the contents from the main body and screwed to a nozzle, an outer container for covering the main body of the inner container, and the mouth portion are screwed. In order to achieve the above object, in a low-viscosity liquid composite container including a nozzle for closing the discharge port of the nozzle and a cap for closing the discharge port of the nozzle, in order to achieve the above object, the base end portion of the mouth portion is inserted into the outer container and ratchet teeth are provided on the outer peripheral surface. While providing a boss having a ratchet tooth formed therein, the nozzle is provided with a ratchet internal tooth corresponding to the ratchet tooth.

[0007]

However, in this prior invention, the nozzle portion and the inner container body cannot be completely connected to each other before the use of the low-viscosity liquid composite container. Since the objects are ejected), they are easily separated from each other, and there is a problem that they are difficult to handle in the distribution process such as manufacturing and selling. The present invention is a new proposal for temporary connection between the inner container body and the nozzle.

[0008]

According to the present invention, there is provided a container main body having a main body for accommodating the content and a mouth portion for discharging the content from the main body and screwed to a nozzle, and the container main body is screwed. In a composite container including a nozzle and a cap that closes a discharge port of the nozzle, a structure in which a male screw tip provided at the mouth of the container body is inserted into a female screw lower end provided in the nozzle and can be temporarily joined It is a composite container for low-viscosity liquids characterized by

Further, according to the present invention, an inner container body having a main body for accommodating the content and a mouth portion for discharging the content from the main body and screwed into a nozzle, an outer container for covering the main body of the inner container, an inner side In a composite container including a nozzle screwed to a container body and a cap formed by closing a discharge port of the nozzle, a male screw tip provided at a mouth of the container body is attached to a lower end of a female screw provided at the nozzle. A composite container for a low-viscosity liquid, which has a structure that can be inserted and temporarily bonded.

[0010]

According to the present invention, a container main body having a main body for accommodating the contents and a mouth portion for discharging the contents from the main body and screwed to the nozzle, a nozzle screwed to the container main body, and a discharge port of the nozzle. In a composite container equipped with a cap that closes the inside of the nozzle, the inner diameter of the lower end part of the female screw of the nozzle is formed to be slightly larger so that the male screw part protruding from the container body can be temporarily joined and / or By making the angle of the screw thread small, the nozzle can be lightly pushed into the mouth of the inner container body for easy temporary connection, so it is difficult to separate them during the manufacturing process and distribution process, and their handling is easy. Becomes In particular, in the process of manufacturing the low-viscosity liquid composite container, there is also an advantage that the temporary joining can be easily performed by a simple operation of simply pushing the nozzle portion into the mouth portion of the inner container body, and the productivity can be improved.

Further, the present inventors have previously proposed the following invention. `` A pressure medium is interposed between the inner container body and the outer container, and a boss having a ratchet tooth formed on the outer peripheral surface thereof is provided on the outer container while the base end portion of the mouth portion is inserted into the outer container and the nozzle is A composite container for low-viscosity liquid that is provided with ratchet internal teeth that correspond to ratchet teeth. "This is because when the nozzle is screwed into the mouth of the inner container, the cap is screwed onto the nozzle and rotated in the screwing direction, The force that tries to rotate in the direction of screwing works further, but when the screw tightening force of the cap exceeds a certain value, the ratchet internal teeth slip against the ratchet teeth and the nozzle idles against the boss,
The cap is prevented from being tightened with a certain force or more. Further, after that, when the cap is screwed, the ratchet teeth mesh with the ratchet inner teeth to restrain rotation of the nozzle in the screwing direction, and only the cap is screwed in the screwing direction.

The present inventors have found that the present invention is more preferable by applying the present invention to this ratchet tooth forming invention. The present invention is preferably used in a composite container provided with a pressure medium interposed between an inner container and an outer container, but the present invention is not limited to this because of the above configuration. Therefore, the present invention also includes the following modifications in which the inner container and the outer container are integrally formed, or one of them is omitted and the present invention is applied to one main body container.

That is, a main body container having a main body for accommodating contents and a mouth for discharging the contents from the main body and screwed to the nozzle, a nozzle screwed to the mouth, and screwed to the nozzle. In a low-viscosity liquid composite container including a cap that closes the discharge port of the nozzle, a boss having ratchet teeth formed on the outer peripheral surface is provided at the base end of the mouth of the main body container, while the ratchet tooth is provided on the nozzle. The internal diameter of the female screw lower end portion of the nozzle is formed to be slightly larger so that the male screw portion protruding from the inner container main body can be temporarily joined thereto, as described above.

The present invention will be described below with reference to the drawings of the ratchet tooth forming invention, but the present invention is not limited thereto. FIG. 1 is a front cross-sectional view showing the entire low viscosity liquid composite container of the present invention, in which 1 is a main body for containing contents, which is usually made of an aluminum tube, and 7 is a discharge port for contents. A male screw 8 is engraved on the periphery thereof, while a female screw is engraved on the lower end of the nozzle 4, which is screwed onto the male screw 8. The nozzle 4 is provided with a cap 5 for closing the discharge port of the nozzle, and after discharging the contents, the cap is closed by the cap and stored.

The present invention is characterized in that the tip of the male screw provided at the mouth of the container body is inserted into the lower end of the female screw provided at the nozzle so that temporary joining is possible. FIG. 1 shows this temporarily combined state. In FIG. 1, the diameter of the lower end portion (4-b in FIG. 1) of the female screw portion (4-a in FIG. 1) of the nozzle 4 is formed to be slightly larger, so that the male screw portion provided at the mouth of the container body. Part (8) in FIG. 1 is inserted and temporarily joined. In order to facilitate understanding in FIG. 1, the state of the temporary connection is such that a part of the lower end of the female screw portion (4-a in FIG. 1) of the nozzle 4 (4 in FIG. 1).
Although it seems that there is a gap by making the diameter of -b) extremely large, it is obvious that it is actually preferable that the inner diameter of the female thread portion and the outer shape of the male thread portion are in contact with each other. Figure 1
Inside, 2 is an outer container in a composite container which is another feature of the present invention, and 3 is a pressure medium inserted therebetween.

FIG. 2-a is an enlarged front sectional view of the nozzle portion for explaining the structure of the temporary connection of the present invention.
b is a partially enlarged view of a portion indicated by a circle 2-a. From the figure, if the structure that allows temporary connection is achieved by increasing the inner diameter of the internal thread provided on the nozzle (lowers the height of the thread compared to the main connection), or decreases the angle of the thread of the internal thread. A case is shown in which the angle of the thread is made smaller than that of the main connection, that is, the thread is sharpened. That is, by lowering the height of the screw thread, the insertion of the male screw tip provided at the mouth of the container body is facilitated, or by decreasing the angle of the screw thread, the strength is reduced and the container body is similarly reduced. This facilitates the insertion of the male screw tip provided at the mouth of the. In addition,
As is clear from the above description, if the structure is a temporary connection, for example, the height and angle of the screw thread are appropriately determined, and the shape may be triangular, trapezoidal, or rounded at the tip. Not limited.

FIG. 3 is a schematic front view of the main body of the inner container according to the present invention, which has a main body 1 for accommodating the contents and a mouth portion 7 for discharging the contents from the main body 1. The male screw 8 is formed, and the discharge port 9 formed at the tip is closed by a thin film 10 that is ruptured by the rupture portion 25 of the nozzle 4 described later before use. The bottom of the container body is closed by folding after filling the contents.
FIG. 4 is a side view of the outer container 2 that covers the inner container body. The outer container 2 may be integrally formed, but as shown in FIG. 1, it is divided into a main member 11 and a bottom member 12. The main member 11 may be made of synthetic resin that is easily elastically deformed by an external pressing force. The curve indicated by H in FIG. 4 represents a state in which the inner diameter of the inner container main body of FIG. 3 is narrowed down so that the inner container main body of FIG.

FIG. 5 shows an outer container 2 which covers the inner container body.
FIG. 6 is a semi-sectional front view of FIG. 6, and FIG. 6 is a plan view thereof. In this embodiment, a side view of FIG. 4, a front view of a half section of FIG.
As shown in the plan view, in order to improve the handling and enhance the aesthetic appearance, the outer container 2 has a tapered cylindrical shape with a gentle top, and the front and rear surfaces of the outer container are flatly ground from the upper end portion. It is formed into a shape of an elliptic cylinder when dropped. Further, in this embodiment, the bottom end surface of the outer container 2 is formed into a flat surface so that the composite container can be placed upright.

As shown in FIG. 5, the main member 11 of the outer container has a peripheral wall 13, a receiving wall 14, a boss 15 having ratchet teeth formed on the outer peripheral surface thereof, and a positioning projection 16, and the peripheral wall 13 Surrounds the entire inner container body 1 and the periphery of the base end of the mouth portion 7, and the peripheral wall 13 extends so as to cover the boss 15 to form a protective cover 100 to enhance the appearance. ing. The receiving wall 14 is formed inside the upper portion of the peripheral wall 13, and the boss 15 is formed continuously on the upper side of the inner peripheral portion of the receiving wall 14. Further, as shown in FIG. 6, ratchet teeth 17 are formed on the outer peripheral surface of the boss 15. Further, the positioning projections 16 are inwardly projected at two locations on the major axis of the inner peripheral surface of the bottom portion of the main member 11 facing each other. The shape of these positioning protrusions 16 is not particularly limited, but here, as shown in FIG. 5, the amount of protrusion gradually decreases from the bottom of the main member 11 to the top, and the inner circumference of the bottom of the main member 11 at the upper end is reduced. It is formed in a shape that is smoothly continuous with the surface.

As shown in FIG. 5, in this embodiment, the inner container 1 is inserted from the bottom side of the outer container 2 from the mouth portion 7 side, and is inserted into the insertion hole 18 penetrating the receiving wall 14 and the boss 15. Mouth 7
After being inserted, the pressure medium 3 is filled between the inner container 1 and the outer container 2, and the bottom member 12 is fitted into the bottom portion of the main member 11. The pressure medium 3 is a liquid as long as it can transmit the pressing force applied to the outer container 2 to the inner container 1 and can be deformed in response to the deformation of the inner container 1 and the outer container 2. Alternatively, it may be an elastic body or a viscoelastic body intermediate between the liquid and the elastic body.

As the elastic body, a foam, a sealing agent,
A rubber-like elastic body, an elastic synthetic resin, and an elastic adhesive are typical. In this embodiment, a rubber-like elastic body is adopted from these materials. because,
The rubber-like elastic body is prepared by injecting a precursor one-liquid type or two-liquid type liquid composition between the inner container 1 and the outer container 2,
By closing the bottom opening of the main member 11 with the bottom member 12 and then performing a curing treatment, the pressure medium 3 made of a rubber-like elastic body can be filled between the inner container 1 and the outer container 2 without a gap. This is because it is advantageous in that the process can be simplified, and that the pressure medium 3 can be brought into close contact with the inner container 1 and the outer container 2 to enhance the pressure transmission capability.

The material of the bottom member 12 is not particularly limited,
It is preferable to use a material having adhesiveness or adhesiveness to the pressure medium 3, for example, polystyrene, olefin resin, urethane resin, polyester, polyamide,
Thermosetting resins such as polybutadiene, polyvinyl chloride and fluororesins are used. As shown in the plan view of FIG. 7, the front view of FIG. 8 and the side view of FIG.
It has an elliptical bottom wall 12-1 and a pair of spacers 19 standing in line-symmetrical positions with respect to the major axis of the bottom wall 12-1 to the bottom wall 12-1. The outer envelope surface 21 of each spacer 19 is inscribed in the inner peripheral surface of the main member 11, and a positioning groove 22 into which the bottom portion of the inner container 1 and the positioning protrusion 16 are fitted is formed between both spacers 19.

The positioning groove 22 is formed in a V shape having a gentle slope on the tip (upper end) side and a steep slope on the base end side. When the bottom member 12 is fitted into the main member 11, the positioning projection 16 is positioned by the positioning groove 22.
Of the bottom member 12 so that the long axis direction of the bottom member 12 coincides with the long axis direction of the main member 11.
While the bottom portion of the inner container 1 inserted in the main member 11 is fitted into the positioning groove 22,
Positioned between 16. Thus, the folded-back portion of the inner container filled with the contents is securely fixed to the central portion of the outer container, which has the function of enhancing the pressure transmission capability. The surface of the spacer 19 may be formed as a smooth surface without unevenness, but in this embodiment, in order to increase the adhesion area or the adhesion area with the pressure medium 3, the uneven surface having a large number of concave grooves 20 is formed. Is forming.

In this embodiment, the inner side surface of the positioning protrusion 16 is formed so as to smoothly continue to the inner peripheral surface of the peripheral wall 13 at the upper end, so that the folded-back portion at the bottom of the inner container 1 is the main member.
When positioning between the positioning protrusions 16 while guiding the spacer 19 to rotate from a direction different from the major axis direction of 11 and positioning it between the positioning protrusions 16, the folded portion at the bottom of the inner container 1 is smoothly mounted on the positioning protrusions 16 with almost no resistance. It is possible to improve the assembly workability. Further, in this embodiment, since the upper portion of the outer envelope surface 21 of each spacer 19 is inclined inward, the bottom member 12 can be easily fitted into the main member 11, so that the workability of assembling the outer container 2 is improved. It is getting higher.

FIG. 10 is a partially cutaway front view of the nozzle 4, and FIG.
Is a bottom view thereof. As shown in the partially cutaway front view of FIG. 10 and the bottom view of FIG. 11, the nozzle includes a nozzle body 4, a cap connecting portion 24, and a breaking portion 25, and the connecting portion 24 has a large diameter on the lower side. Is formed in a stepped cylindrical shape, and a female screw (4-a in FIG. 10) corresponding to the screw 8 formed on the mouth portion 7 of the inner container 1 is formed on the inner peripheral surface of the small diameter portion 26, Ratchet inner teeth 29 corresponding to the ratchet teeth 17 of the outer container 2 are formed on the inner peripheral surface of the portion 28. The nozzle body 4 is provided so as to project upward from the upper end wall 30 of the small diameter portion 26, and the peripheral surface thereof is formed as a taper gentle taper peripheral surface. In addition, the broken portion 25 is a small diameter portion 26
Is provided so as to project downward from the upper end wall 30, and the peripheral surface thereof is formed into a tapered peripheral surface. Further, a right circular hole-shaped discharge passage 31 is penetrated from the lower end of the breakage portion 25 to the upper end of the nozzle body 4.

On the peripheral wall of the large-diameter portion 28, a slit 32 cut from the outer peripheral surface to the inner peripheral surface of the large-diameter portion 28 and cut over the entire height of the large-diameter portion 28 is suitable in the circumferential direction. It is formed at four places spaced apart. Small diameter part 26
A screw for screwing the cap 5 on the outer peripheral surface of the
33 is formed, and an engaging piece 47 that engages with a thread discontinuity groove portion 46 of a screw 37 of a cap 5 described later is bulged between the large diameter portion 28 and the lower end of any of the two threads 33. , The stopper piece 48 for preventing the cap 5 from being screwed into the nozzle 4 too much is bulged slightly apart from the end of the screw 33. At the outer peripheral portion of the upper end wall 30, a liquid breakwater for preventing the discharged material that has flowed down along the outer peripheral surface of the nozzle body 4 from being transmitted to the outer peripheral surface of the small diameter portion 26.
34 is projected over the entire circumference.

As shown in the front view of FIG. 12, the cap 5 has a hemispherical head portion 35 and a tapered skirt portion 36 continuous with the peripheral edge portion of the head portion 35. A screw 37 corresponding to the screw 33 of the nozzle 4 is provided on the inner peripheral surface of the lower portion of the portion 36.
Is formed. A screw interruption groove portion 46 for receiving the engagement piece 47 of the nozzle 4 is provided near each lower end of the two threads 37, and the cap 5 is easily screwed by engaging the thread interruption groove portion 46 and the engagement piece 47. Do not understand, the sealing part of the cap 5
Prevent the discharged material from flowing down between the 38 and the opening of the discharge passage 31. Further, a sealing portion 38 is formed on the lower surface of the hemispherical head 35 so as to abut the upper end of the nozzle 4 in the skirt portion 36 and seal the discharge passage 31 when the cap 5 is sufficiently screwed to the nozzle 4. It

When this cap 5 is screwed into the nozzle 4 and the cap 5 is screwed into the nozzle 4 to a predetermined depth, the limiting portion 40 is received by the outer peripheral surface of the liquid breakwater 34 of the nozzle 4, and the cap for the nozzle 4 is received. 5 screwing is restricted. In this manner, with the cap 5 screwed to the nozzle 4 to a predetermined depth, the female screw 27 of the nozzle 4 is screwed into the screw 8 formed in the mouth portion 7 of the inner container 1 and screwed in. The rupture portion 25 rushes into the mouth 9 of the inner container 1 to break the thin film 10,
The inside of the inner container 1 communicates with the discharge passage 31 of the nozzle 4, the breakage portion 25 of the nozzle 4 is received by the mouth portion 7 of the inner container 1, and the screwing of the nozzle 4 into the inner container 1 is restricted. The nozzle 4 and the mouth portion 7 of the inner container 1 are sealed.

When the cap 5 is further screwed, the ratchet inner teeth 29 hit the ratchet teeth 17 and are pushed out in the outer peripheral direction. When the large diameter portion 28 of the nozzle 4 is continuous in the circumferential direction, unless the large diameter portion 28 is extended in the circumferential direction against the elasticity of the large diameter portion 28 of the nozzle 4, the ratchet internal teeth 29 are moved in the outer circumferential direction. Although it cannot be extruded, in this embodiment, the large diameter portion
Since the slit 32 formed by cutting from the outer peripheral surface to the inner peripheral surface of 28 and the entire height of the large diameter portion 28 is formed, the large diameter portion 28 is easily expanded in diameter and the ratchet internal teeth 29 Can be extruded in the outer peripheral direction. Therefore, by screwing the cap 5 with a relatively weaker force than a certain value, the ratchet inner teeth 29 are pushed out in the outer peripheral direction to get over the ratchet teeth 17, and the nozzle 4 and the cap 5 idle around the outer container 2, 5 is prevented from being tightened into the nozzle 4 with a force of a certain level or more.

Thereafter, when the cap 5 is rotated in the screwing direction, the ratchet inner teeth 29 are locked to the ratchet teeth 17, so that the nozzle 4 can rotate in the screwing direction with respect to the outer container 2. It is possible to reliably prevent the nozzle 4 from turning around with the cap 5 and being unwound from the inner container 1,
Only cap 5 can be securely removed. When the peripheral wall 13 of the envelope 2 is pressed with fingers with the cap 5 removed,
The peripheral wall 13 of the outer container 2 is dented, the pressing force is transmitted to the main body 6 of the inner container 1 via the pressure medium 3, the inner container 1 is dented, and the contents are discharged to the outside via the discharge passage 31 of the nozzle 4. To be done. A part of the discharged substance adheres to the tip of the nozzle body 4, but when the force for pressing the outer container 2 is removed, the outer container 2 and the pressure medium 3 elastically restore, and the shape of the inner container 1 accordingly. Most of the discharged matter that has been restored and adhered to the tip of the nozzle body 4 is sucked back into the discharge passage 31 or the inside container 1, and as a result, liquid dripping is less likely to occur.

For some reason, the discharge material attached to the outer peripheral surface of the tip of the nozzle body 4 is discharged through the discharge passage 31 or the inner container 1.
It is difficult to be sucked back in, and may flow down to the connecting portion 24 along the outer peripheral surface of the nozzle body 4. However, the connection
Discharged material that has flowed down to 24 is the base end of the nozzle body 4 and the liquid breakwater.
It is stored in the annular space formed between 34 and the connection part.
It does not flow down to the outer surface of 23. As a result, it is possible to reliably prevent the discharge substance from adhering to the screw 33 of the nozzle 4 and hindering the screwing of the cap 5 into the nozzle 4, or the nozzle 4 and the cap 5 screwed to the nozzle 4 from being adhered. Therefore, the operability of the screwdriver of the cap 5 is enhanced.

When the cap 5 is screwed on after use, the tip of the nozzle body 4 contacts the inner peripheral surface of the cap 5,
Although a small amount of the ejected substance may adhere to the inner peripheral surface of the cap 5 from the tip of the nozzle body 4, the ejected substance adheres to the inner peripheral surface of the cap 5 and tends to flow down along the inner peripheral surface of the cap 5. Things are caught in the folds 39 to prevent dripping and
It will not run down to 37. Therefore, it is possible to surely prevent the discharged material from adhering to the screw 37 of the cap 5 and solidifying to prevent the screwing of the cap 5 or adhering the nozzle 4 and the cap 5 screwed thereto. Therefore, the operability of the screwdriver of the cap 5 can be improved.

[0033]

As described above, according to the composite container for low-viscosity liquid of the present invention, temporary joining can be easily performed by lightly pushing the nozzle into the mouth portion of the inner container body. In addition, it is difficult to separate the two in the distribution process, and the handling is easy. In particular, in the process of manufacturing the low-viscosity liquid composite container, there is also an advantage that the temporary joining can be easily performed by a simple operation of simply pushing the nozzle portion into the mouth portion of the inner container body, and the productivity can be improved. Furthermore,
According to the present invention, the outer container is provided with the boss having the base end portion of the mouth portion fitted therein and the ratchet teeth formed on the outer peripheral surface, while the ratchet tooth is provided on the nozzle screwed to the mouth portion of the inner container. By providing the ratchet inner teeth corresponding to, the nozzle is rotated in the screwing direction to be screwed to the mouth of the inner container, and the cap screwed into the nozzle can be tightened into the nozzle with a certain force or more. It is possible to prevent the screw of the cap and the screw of the corresponding nozzle from being damaged, and to prevent the nozzle from being unwound from the inner container along with the cap when screwing the cap. Although it is possible to improve the usability, it is possible to industrially advantageously manufacture a complex composite container by applying the invention described above in such a case.

[0034]

[Brief description of drawings]

FIG. 1 is a front cross-sectional view of a low viscosity liquid composite container of the present invention.

FIG. 2-a is an enlarged front sectional view of the nozzle portion of FIG. 1.

FIG. 2-b is a partially enlarged view of FIG. 2-a.

FIG. 3 is a schematic front view of the inner container body according to the present invention.

FIG. 4 is an outer container 2 that covers the inner container body according to the present invention.
Side view of

FIG. 5 is an outer container 2 for covering the inner container body according to the present invention.
Half cut front view of

FIG. 6 is an outer container 2 for covering the inner container body according to the present invention.
Top view of

FIG. 7 is a plan view of the bottom member of the outer container according to the present invention.

FIG. 8 is a front view of the bottom member of the outer container according to the present invention.

FIG. 9 is a side view of the bottom member of the outer container according to the present invention.

FIG. 10 is a partially cut front view of the nozzle according to the present invention.

FIG. 11 is a bottom view of the nozzle according to the present invention.

FIG. 12 is a partially cutaway front view of the cap according to the present invention.

[0035]

[Explanation of symbols]

 1 ... (Inner) container body 2 ... Outer container 3 ... Pressure medium 4 ... Nozzle body 4-a ... Female thread part of nozzle 4-b ... Female thread part of slightly large nozzle 5 ... Cap 7 ... Mouth part 8 ... Male screw 25… Break hole 15… Boss 17… Ratchet tooth 29… Ratchet internal tooth

Front Page Continuation (72) Inventor Akio Futamura 4-5-9 Higashi Gotanda Shinagawa-ku, Tokyo Cemedine Co., Ltd. (72) Masayuki Fukai 4-5-9 Higashi Gotanda Shinagawa-ku, Tokyo Cemedine Shares Company (72) Inventor Keiji Shimizu 4-2-1 Nishimikuni, Yodogawa-ku, Osaka City Taoka Chemical Industry Co., Ltd. (72) Harumi Teramae 4-2-11, Nishimikuni, Yodogawa-ku, Osaka City Taoka Chemical Co., Ltd. (72) Inventor Chiaki Hata, 4-21-11 Nishimikuni, Yodogawa-ku, Osaka City Taoka Chemical Industry Co., Ltd.

Claims (5)

[Claims] 1. A container main body having a main body for accommodating the content and a mouth for discharging the content from the main body and screwed to a nozzle, a nozzle screwed to the container main body, and a discharge port of the nozzle. In a composite container with a closed cap,
A composite container for a low-viscosity liquid, characterized in that a tip portion of a male screw provided at a mouth portion of the container body is inserted into a lower end of a female screw provided at the nozzle so as to be temporarily coupled. 2. An inner container body having a main body for containing the content and a mouth portion for discharging the content from the main body and screwed to the nozzle, an outer container for covering the inner container body, and a screw-fastened to the inner container body. In a composite container equipped with a nozzle and a cap that closes the discharge port of the nozzle, the tip of the male screw provided at the mouth of the container body is inserted into the lower end of the female screw provided at the nozzle, and temporarily joined. A composite container for low-viscosity liquids, which is characterized by having a structure that enables it. 3. The structure capable of temporary connection is formed by enlarging the inner diameter of an internal thread provided on the nozzle.
7. A composite container for low-viscosity liquids described in. 4. The composite container for low-viscosity liquid according to claim 1, wherein the structure capable of temporary connection is formed by reducing the angle of the thread of the internal thread provided on the nozzle. 5. A pressure medium is interposed between the inner container body and the outer container, and a boss having a ratchet tooth formed on the outer peripheral surface is provided while the base end portion of the mouth is inserted into the outer container and the boss is provided. The present invention is applied to a composite container for low viscosity liquid in which a nozzle has internal ratchet teeth corresponding to the ratchet teeth.
~ The composite container for low-viscosity liquid according to claim 4. [0001]