JPH0948440A - Roll film container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To smoothly, easily and linearly cut off a film sent out from a container body by the container having a simple structure, without tensing it up by hands. SOLUTION: A film 2 is sent out from a roll film 3 contained in the container body 4 of a container 1 and supported by a receiver 7 formed at the edge of the container body 4. The receiver 7 is provided with two protruded pieces 8a, 8b tilted and divergently widened and also grooves 9. A pressing part 10 is formed in correspondence with the receiver 7 in a rotatable cover body 6 against the container body 4 and a cutting blade 12 to be inserted in the groove 9 and tension pieces 11a, 11b tensing up the film 2 sent out to the receiver 7 in accordance with the closing action of the cover body 6, are stretched from the pressing part. The tension pieces 11a, 11b come into contact with these two protruded pieces 8a, 8b in accordance with the closing action of the cover body 6 and gets wider both outward and inward. And hence, the film is cut off by the cutting blade 12 in a tensed condition.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a packaging film,
The present invention relates to a roll film storage container useful for feeding and cutting a thin roll film such as an aluminum foil, and for packaging.

[0002]

2. Description of the Related Art Storage containers of various structures have been proposed for feeding and lapping a thin roll film. For example, Japanese Utility Model Laid-Open No. 2-90241 discloses a container body that can accommodate a sheet roll and that has a sheet pedestal, and a lid that has a sheet pressing portion for holding the sheet between the sheet pedestal and the sheet pedestal. A storage container including a sheet cutting blade formed at the tip of the sheet pressing portion is proposed. In addition, in Japanese Utility Model Publication No. 5-28205, in addition to the container body, the lid, and the blade, the sheet pedestal is provided so that the edge of the sheet is floated outward from the sheet pedestal by opening the lid. A storage container provided with the leaf spring material has been proposed. In these storage containers, the blade formed at the tip of the sheet pressing portion can be applied to the sheet at an acute angle and cut linearly. Further, in the latter storage container, since the sheet edge portion can be floated outward by the leaf spring material when the lid is opened, the sheet edge portion can be easily squeezed and the sheet feeding operation can be smoothly performed.

However, in these storage containers, since the sheet is held wide by the sheet pedestal and the sheet pressing portion, it is necessary to greatly extend the sheet pressing portion from the lid in correspondence with the holding area, and It is necessary to provide a leaf spring material for floating the sheet on the seat pedestal, which complicates the structure of the storage container. Further, since it is necessary to pull the sheet held by the sheet pedestal and the sheet retainer in the direction of an acute angle with respect to the blade, the sheet cutting operation is complicated.

Japanese Utility Model Laid-Open No. 3-117620 discloses a main body accommodating portion, a lid body hinged to the main body accommodating portion, a cutting blade attached to the front edge of the lid body, and the main body accommodating portion. Disclosed is a roll film container provided with a receiving portion formed on a front plate and having a groove portion that is coupled to the cutting edge. This storage container has a relatively simple structure, and the film is cut by feeding the film out of the main body storage portion, closing the lid, and pressing the cutting blade into the groove of the receiving portion.
However, in order to smoothly cut the film in a straight line by the cutting blade, it is necessary to pull the fed film and press the cutting blade into the groove portion, which makes the cutting operation of the film complicated.

[0005]

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a roll film container which can cut a film smoothly in a straight line and has a simple structure. Another object of the present invention is to provide a roll film storage container that can be easily cut by a closing operation of the container without pulling the film fed from the container body by a hand to tension it. Still another object of the present invention is to provide a roll film storage container which can be easily operated not only for cutting the film but also for feeding the film.

[0006]

Means for Solving the Problems As a result of earnest studies to achieve the above-mentioned object, the inventors of the present invention have drawn a film across a groove portion formed in a receiving portion of a container body, and perform a lid closing operation. Along with this, when the tension pieces of the pressing part that straddle the receiving part are moved along both outer walls of the receiving part, the film is tensioned at the receiving part, and this tensioned film is easily cut by the cutting blade provided in the pressing part. The present invention was completed by discovering that it can be cut into pieces.

That is, the roll film storage container of the present invention comprises a container main body for storing a roll film around which a film is wound, a lid body rotatable with respect to the container main body, and A receiving portion having a groove portion, which is formed on an edge portion on the feeding side of the film, a pressing portion formed corresponding to the receiving portion of the lid, and extending from the pressing portion toward the receiving portion, And a tensioning means for tensioning the film fed to the receiving portion in accordance with the closing operation of the lid, and a cutting means provided in the pressing portion and capable of penetrating into the groove portion of the receiving portion. There is. In this roll film storage container, in order to increase the degree of tension of the film, the receiving portion having the groove portion can be configured by a receiving portion having two protruding projecting pieces, the tensioning means extending from the pressing portion, and There may be provided a tension piece that comes into contact with the two protruding pieces and spreads in at least one of an inward direction and an outward direction when the closing operation is performed. In addition, the inner and outer wall surfaces of the receiving part (for example, the innermost wall surface and the outermost wall surface in the case of a two-piece protruding piece)
At least one of the wall surfaces may be inclined so as to spread toward the hem, and the tensioning means may project toward the receiving portion more than the cutting means. Further, in order to cut the strained film more smoothly, the cutting means may be a saw-shaped cutting blade formed in a rounded shape with a bulging central portion in the longitudinal direction, and a saw having at least one protruding portion. It may be a cutting edge. Further, the cutting means may be configured by a saw-tooth cutting blade having a center portion in the longitudinal direction bulging in a rounded shape and having at least one protruding portion in a top region of the bulging portion.
Further, a cutout may be formed in a part of the receiving portion to facilitate the film feeding operation. In addition, in the present specification, the “film” is not limited to a plastic film, and is used to include a thin film such as a metal foil (aluminum foil or the like).

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described in detail below with reference to the accompanying drawings. 1 is a schematic perspective view showing an example of a roll film storage container with a lid opened, and FIG. 2 is a schematic sectional view of the storage container shown in FIG. The roll film storage container 1 includes a semi-cylindrical container main body 4 having a storage portion 4a for storing a cylindrical roll film 3 in which a film 2 is wound in a roll shape, and a hinge type with respect to the container main body. It has a semi-cylindrical lid 6 that is coupled and rotatable and that closes the opening of the container body 4. A narrow receiving portion 7 for receiving the fed film 2 extends laterally from an edge portion (opening edge portion) of the container body 4 on the feeding side of the film 2, and an edge of the lid body 6 is formed. A pressing portion 10 is formed on the portion (opening edge portion) so as to extend laterally corresponding to the receiving portion 7.

From the receiving portion 7, two projecting pieces 8a for supporting the film 2 fed from the container body 4,
8b is formed so as to project along the longitudinal direction, and the groove portion 9 formed between the two protruding pieces 8a and 8b is provided on the pressing portion 10 of the lid body 6 as the lid body 6 is closed. The cutting blade 12 provided as a cutting means can enter. The cutting edge 12 is a saw-shaped cutting edge formed in a rounded shape with a bulging central portion in the longitudinal direction.
The penetration depth of 2 is smaller than the depth of the groove 9. Further, the innermost outer wall surface of each of the two protruding pieces 8a and 8b is formed as an inclined surface which is inclined to spread toward the bottom.

Since the film 2 supported by the two protruding pieces 8a and 8b is tensioned as the lid 6 is closed, the pressing portion 10 has the two protruding pieces 8a.
a tension piece 11a as a tension means that can move along a slanted wall surface of the two projecting pieces 8a, 8b straddling a, 8b,
11 b is formed extending in the direction of the receiving portion 7.
The length (height) of the tension pieces 11a and 11b is equal to that of the cutting blade 12.
Is larger than the length (height) of the cutting blade 12 and projects toward the receiving portion 7 side from the tip of the cutting blade 12. Also, this tension piece 11a,
11b is formed of a flexible member and has two protruding pieces 8a, 8a.
It can be elastically deformed when moving along the inclined inner and outer wall surfaces of b. That is, the inclined inner and outer wall surfaces of the two protruding pieces 8a and 8b function as a guide surface for expanding the tension pieces 11a and 11b together with the film 2 inward and outward.

In such a container 1, the film 2 is fed from the roll film 3 to the outside of the side of the receiving portion 7,
The film 2 can be easily and easily cut by a simple operation of closing the lid 6 with respect to the container body 4. That is, when the film 2 is fed by a predetermined length from the roll film 3 stored in the storage portion 4a of the container body 4 to the outside of the side portion of the container body 4, the two projecting pieces 8a and 8b of the receiving portion 7 are provided. The film 2 is supported thereby. The film 2 has protruding pieces 8a, 8
When the lid body 6 is rotated to close the opening of the container body 4 while being supported by the b, the tension pieces 11 a and 11 b extending from the pressing portion 10 of the lid body 6 receive the cutting blade 12 more than the cutting blade 12. Part 7
Since it protrudes to the side, the tension pieces 11a,
The film 11b reaches the film 2 earlier. Further, the innermost wall surface and the outermost wall surface of the projecting pieces 8a and 8b are on the base side (see FIG. 2).
Since it is formed as an inclined surface that expands outward as it goes to the middle, downward), when the tension pieces 11a and 11b move along the innermost wall surface and the outermost wall surface of the protruding pieces 8a and 8b while elastically deforming, the film A tension that expands inward and outward of the container body 4 acts on the film 2, so that the film 2 is tensioned between the two protruding pieces 8a and 8b. Then, when the cutting blade 12 reaches the film 2 with the closing operation of the lid body 6, the film 2 in the tensioned state is easily cut linearly along the groove 9. In particular, since the cutting blade 12 has a rounded shape, the central portion in the longitudinal direction of the cutting blade 12 can be brought into contact with the film 2, and the central portion in the width direction of the film 2 is used as a starting point (cutting point or cut portion). The film 2 can be smoothly cut to both sides.

The receiving part having the groove does not have to be a receiving part having two protruding pieces as in the above example, but may be a flat receiving part having the groove. Also,
The innermost wall surface and the outermost wall surface of the two protruding pieces constituting the receiving portion need not be inclined to the hem spread, as long as the film can be tensioned in relation to the tensioning means such as a tensioning piece,
It may be a hanging wall or a bulging wall. The innermost wall surface and the outermost wall surface of the receiving portion (for example, the innermost wall surface and the outermost wall surface of the two protruding pieces in the above example) do not need to be inclined, but the innermost wall surface and the outermost wall surface. At least one of the wall surfaces may have a structure in which it is inclined to spread toward the bottom.

Further, the type and structure of the tensioning means are not particularly limited as long as the film can be tensioned in accordance with the closing operation of the lid, and for example, the two protruding pieces are provided via the fed film. Contact the tip of the
Further, it may be a bifurcated projecting piece that expands inward and outward of the storage container when the lid is closed. The tensioning means may include a tensioning piece extending from the pressing portion and coming into contact with the two protruding pieces and expanding in at least one of an inward direction and an outward direction when the lid is closed. Furthermore, the protruding piece and the tension piece do not have to be continuously formed in the longitudinal direction of the storage container, but may be partially or regularly formed in the longitudinal direction of the storage container.

FIG. 3 is a partially cutaway schematic side view showing another example of the roll film storage container of the present invention, and FIG. 4 is a schematic perspective view of the storage container of FIG. The members and elements having the same functions as those of the storage container shown in FIGS. 1 and 2 will be described with the same reference numerals. The storage container of this example has the same structure as the storage container shown in FIGS. 1 and 2 except that the structures of the receiving portion and the tensioning means are different, and the reinforcing means is formed in the storage container. . That is, the container body 4
A receiving portion 17 having a groove portion 19 extends from an edge portion of the receiving portion through a bending portion 18b that is bent toward the upper side, and a curved piece that is bent toward the lower side from the outer end of the receiving portion. 18a is extended. A pressing portion 20 is formed on the edge of the lid body 6, and the lid body 6 is exposed from this pressing portion.
Along with the closing operation of the cutting blade 22, a cutting blade 22 that can enter the groove portion 19, a first tension piece 21b that can move along the inner surface of the bending portion 18b, and an outer surface of the bending piece 18a. The movable second tension piece 21a extends.
Further, the outer surface of the lid 6 and the pressing portion 20 are connected and reinforced by a reinforcing member 23 at predetermined intervals along the longitudinal direction of the storage container.

Even in such a storage container, as described above,
By the closing operation of the lid body 6, the tension pieces 21a and 21b are guided by the bending pieces 18a and the bending portion 18b and spread outward and inward, respectively, so that the film 2 supported by the receiving portion 17 is stretched. The film 2 which is tensioned by 21b and which has been tensioned can be smoothly cut linearly by the cutting blade 22. Also, since the lid is reinforced by the reinforcing member,
It is easy to open and close the lid and cut the film with respect to the container body.

In order to prevent damage to the receiving portion, it is preferable that the depth of penetration of the cutting means such as a cutting blade is smaller than the depth of the groove. Further, the lengths of the cutting means and the tensioning means extending from the pressing portion can be selected according to the degree of tension of the film in the receiving portion as long as the tensioning means protrudes toward the receiving portion side with respect to the cutting means. That is, as the extension degree (projection degree) of the tensioning means (tensioning piece or the like) with respect to the cutting means (cutting blade or the like) increases, the tension degree of the film at the receiving portion can be increased, so that the cutting means can cut the film. It's easy.

The cutting edge of the cutting means may be smooth, but is often serrated. Further, the cutting edge may have a linear shape, a tapered shape, a gradient shape, or a rounded shape as in the above example. The cutting edge forming the cutting means is a saw-shaped cutting edge having at least one protrusion (protruding cutting edge) protruding in the direction of the groove in order to effectively and easily cut the strained film. Good. By using such a cutting means, the film can be easily cut only by bringing the projecting blade edge into contact with the tense film. In addition,
The protruding saw-shaped blade edge can be formed at one or more appropriate positions in the longitudinal direction of the cutting blade, but if it is formed at the central portion in the longitudinal direction, the central portion in the width direction of the film is used as a breaking point to both sides. The film can be cut smoothly.

FIG. 5 is a partially enlarged view showing another example of the cutting means of the storage container of the present invention in an exaggerated manner. This cutting means,
Saw-shaped cutting edge 32a whose central portion in the longitudinal direction bulges in a round shape
And has at least one projecting portion (protruding cutting edge portion) 32b in the top region of the bulging portion.
With such a cutting means, a tense film,
The central portion in the width direction of the film can be broken simply by contacting the protruding portion (protruding cutting blade portion) 32b, and the rounded cutting blade 32a can smoothly and easily cut the film from the breaking point to both sides. . At least one protruding saw-shaped blade edge may be formed at the top of the bulging portion or in the vicinity thereof (top region), or a plurality thereof may be formed.

FIG. 6 is a schematic perspective view showing still another example of the roll film storage container of the present invention. This example is similar to the storage container shown in FIGS. 1 and 2 except that the receiving portion 7 of the container body 4 constituting the storage container has a notch 41 at the center in the longitudinal direction. It is configured. In such a storage container, after cutting the film,
When the film is paid out from the container body 4, the notch 41
Since the edge of the film remaining on the film can be easily grasped, the film can be taken out and fed out easily. In addition, the notch portion may be formed in a part of the receiving portion,
It can be formed not only in the central portion in the longitudinal direction of the receiving portion but also in an appropriate place.

The storage container is made of various materials, for example,
It can be formed of paper, plastic, or the like, and the cutting means is not limited to metal and may be formed of plastic or the like. When formed of plastic, the entire storage container including the cutting means may be formed of plastic. Further, the tension piece can be formed of a plastic material, a metal material, or the like that can be elastically deformed by coming into contact with the receiving portion when the lid is closed. Although a cylindrical storage container is shown in the above example, the storage container may have a polygonal cross-section such as a quadrangular cross-section or a pentagonal cross-section as long as the film can be smoothly fed out from the roll film. Good.

When the roll film storage container of the present invention is used for packaging, the storage container is held at a predetermined location (for example, the wall of the kitchen) and used for packaging when necessary, so that a suction cup mechanism or the like is used. The attaching means may be provided at an appropriate position of the storage container (for example, a portion of the container body adjacent to the hinge portion).

The roll film storage container of the present invention is prepared by feeding out various packaging films (for example, saran film having a high gas barrier property) and metal foils such as aluminum foil from the container body to obtain fresh foods (for example, vegetables and seafood). , Etc.) and processed foods.

[0023]

According to the roll film storage container of the present invention, the film supported by the receiving portion having the groove can be tensioned by the tensioning means along with the closing operation of the lid, so that the film is cut by the cutting means. Can be cut smoothly in a straight line. Also, since it is sufficient to form the receiving portion and the tension means,
A storage container can be constructed with a simple structure. Furthermore, the film fed from the container body can be easily cut by opening and closing the lid without pulling and tensioning the film by hand,
The film cutting operation is extremely easy. Further, when the notch is formed, the film feeding operation is easy.

[Brief description of drawings]

FIG. 1 is a schematic perspective view showing an example of a roll film storage container with a lid opened.

FIG. 2 is a schematic cross-sectional view of the storage container shown in FIG.

FIG. 3 is a partially cutaway schematic side view showing another example of the roll film storage container of the present invention.

FIG. 4 is a schematic perspective view of the storage container of FIG.

FIG. 5 is a partially enlarged view showing exaggeratedly an example of the cutting means of the storage container of the present invention.

FIG. 6 is a schematic perspective view showing still another example of the roll film storage container of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Storage container 2 ... Film 3 ... Roll film 4 ... Container body 6 ... Lid 7,7 ... Receiving part 8a, 8b ... Projecting piece 9, 19 ... Groove part 10, 20 ... Pressing part 11a, 11b, 21a, 21b ... Tension piece 12, 22 ... Cutting edge 18a ... Curved piece 18b ... Curved portion 32a ... Sawtooth cutting edge 32b ... Projection portion

Claims (8)

[Claims] 1. A container main body for accommodating a roll film around which a film is wound, a lid body rotatable with respect to the container main body, and an edge portion of the container main body on a film feeding side. The receiving portion having the groove portion, the pressing portion formed corresponding to the receiving portion of the lid body, extending from the pressing portion toward the receiving portion, and accompanying the closing operation of the lid body. A roll film container provided with a tensioning means for tensioning the film delivered to the receiving portion and a cutting means provided in the pressing portion and capable of penetrating into the groove of the receiving portion. 2. A receiving part having a groove is constituted by a receiving part having two protruding projecting pieces, and a tension means extends from the pressing part, and the two projecting parts are projected in accordance with the closing operation of the lid. The roll film storage container according to claim 1, further comprising a tension piece that comes into contact with the piece and expands in at least one of an inward direction and an outward direction. 3. The roll film storage container according to claim 1, wherein at least one of the innermost wall surface and the outermost wall surface of the receiving portion is inclined so as to spread toward the hem. 4. The roll film storage container according to claim 1, wherein the tensioning means protrudes toward the receiving portion side rather than the cutting means. 5. The roll film storage container according to claim 1, wherein the cutting means is constituted by a saw-shaped cutting blade formed in a rounded shape with a central portion in the longitudinal direction bulging. 6. The roll film container according to claim 1, wherein the cutting means is a saw blade having at least one protrusion. 7. The cutting means comprises a sawtooth cutting blade having a center portion in the longitudinal direction bulging in a rounded shape and having at least one protrusion in a top region of the bulging portion. 1. The roll film storage container according to 1. 8. The roll film container according to claim 1, wherein a notch is formed in a part of the receiving portion.