JP4195494B1 - Opening device for paper pack container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an opening device for a paper pack container which can be operated very easily, and can be easily and cleanly opened by anyone with a very small force.
A paper pack container having a strip-like handle 2 and an opening clip 3 in which a pair of plate-like bodies 5 and 5 connected below the handle 2 are arranged symmetrically facing each other. P opening device 1, and second spaces 8, 8 in which body portions 15, 15 forming first space 7 in which sealing portion 32 can be inserted, and roof-like portions 31, 31 can be inserted. And the insertion portions 18 and 18 for forming the notches 41 and 41 are provided at the front end edges of the inclination portions 16 and 16, and the handle 2 is tilted forward. The lower end front part 45 ′ of the sandwiching part 11 ′ pushes down the vicinity of the central top part 50 of the sealing part 32, and the insertion parts 18, 18 push down the outer folding parts 36, 36 of the opening / closing parts 34, 34, , 41 is configured to be spread.
[Selection] FIG.

Description

  The present invention relates to an opening device for a paper pack container.

Conventionally, a paper pack container in which a solution such as milk, juice, tea or the like, or a soy sauce, liquor or the like is enclosed is known (see FIG. 6). , 34 is opened and pressed firmly by hand from the left and right sides to open the opening 40, 40, and the folding portion 39 is pulled forward to form a spout.
However, in order to peel off the outer folding parts 36 and 36 and the inner folding parts 37 and 37 of the opening and closing parts 34 and 34 sealed by the adhesive parts 35 and 35, a considerable amount of force is required. It puts a heavy burden on women, children or people with disabilities in their hands.

  In addition, depending on the above, when the folding part 39 cannot be pulled forward, the adhesive parts 35 and 35 are removed with a nail and the fingertips are inserted, and the outer folding parts 36 and 36 and the inner folding parts 37 and 37 However, this peeling operation is extremely difficult, and there is a problem that the adhesive portions 35 and 35 are not peeled cleanly and are damaged, and the opening 40 or 40 cannot be opened properly. .

  On the other hand, as a device for supporting the opening operation of such a paper pack container P, the types described in the following Patent Documents 1 to 3 have been proposed.

4-65714 Japanese Utility Model Sho 56-144743 JP 2004-115122 A

However, what is described in Patent Document 1 merely solves the above problem by simply opening and closing the open / close sections 34 and 34 using an "opner" formed in a substantially wedge shape in cross section. It has not reached.
On the other hand, in all of the above-mentioned Patent Documents 2 to 3, the nail-like pieces are arbitrarily inserted into the adhesive portion 35 in the vicinity of the folding top portion 39 ′ and pulled forward, so that the outer folding portions 36, 36 and Since the inner folding portions 37 and 37 are peeled off, it is difficult to set the insertion site and insertion depth of the nail-shaped piece, or to adjust the force, especially in the vicinity of the folding top portion 39 '. Therefore, the adhesive portion 35 still tends to be damaged, and the operation cannot be easily performed. In addition, there is a problem in food hygiene because the nail-like piece is excessively inserted in the vicinity of the folding top 39 '.

  Therefore, the present invention has been made in view of the above problems, and is a paper pack that can be operated very easily and can be opened easily and cleanly by anyone with a very small force. The object is to provide a container opening device.

  In order to solve the above-mentioned problem, the opening device for a paper pack container according to claim 1 is configured such that a strip plate-like handle and a pair of plate-like bodies connected below the handle are symmetrically opposed to each other. An opening clip for a paper pack container, wherein the plate-like body of the opening clip holds a pinching portion extending below the handle, and the paper pack container The body part forming a first space into which a substantially second half part of the sealing part can be fitted, has a divergent shape coupled to the lower part of the body part, and is folded forward through a rear bent part. And an inclined portion that forms a second space in which a substantially second half portion of the roof-like portion of the paper pack container can be fitted between the folded portion and the folded portion. An opening / closing part formed on the front half side of the paper pack container is An insertion part is provided to form a cut by inserting the adhesive part of the opening / closing part from the rear side in a state where the bent part is bent so as to contact the roof-like part at the rear side. Along with this, the lower front part of the sandwiching part pushes down the vicinity of the central top part of the sealing part, and the insertion part pushes down the outer folding part of the opening and closing part to push out the cut. This is the gist.

Further, the opening device for the paper pack container according to claim 2 is characterized in that, in the configuration according to claim 1, a locking portion is projected from the lower end of the sandwiching portion, The gist of the invention is that, with tilting, the locking portion presses the rear end edge of the sealing portion to tilt the rear end edge forward .

  Further, the opening device for the paper pack container according to claim 3 is the configuration according to claim 1 or 2, wherein a notch portion that is deficient in a curved shape is formed on the front end edge of the trunk portion, and the notch The gist is that the insertion portion is provided continuously to the portion.

  According to the present invention, an opening device for a paper pack container having a strip-like handle and an opening clip formed by arranging a pair of plate-like bodies connected to the lower side of the handle so as to be symmetrically opposed to each other. The plate-like body of the opening clip has a first space in which a sandwiching portion extending below the handle is sandwiched and a substantially second half portion of the sealing portion of the paper pack container can be fitted. The body part to be formed and a divergent shape coupled to the lower part of the body part, and a folded part having a shape folded forward through the rear bent part are provided, and between the folded part, An inclined portion that forms a second space into which a substantially second half portion of the roof-like portion of the paper pack container can be fitted, and is formed on the front end edge of the inclined portion on the front half side of the paper pack container. The opening / closing part is folded so that the outer folding part comes into contact with the rear roof-like part. , An insertion part for forming a cut by inserting into the adhesive part of the opening / closing part from the rear is provided, and the lower end front part of the sandwiching part is located at the center of the sealing part as the handle is tilted forward. Since the insertion portion is a paper pack container opening device that pushes down the vicinity of the top portion and pushes down the outer folding portion of the opening and closing portion to push out the notch, it can be operated very easily, It is possible for anyone to open the paper pack container easily and cleanly with a small force.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
1-5 is the figure which looked at the opening instrument 1 which concerns on this embodiment from each surface, FIG. 1 is a side view, FIG. 2 is a front view, FIG. 3 is a rear view, FIG. 4 is a top view, FIG. 5 is a bottom view.
6 to 7 are perspective views showing the opening state of the paper pack container P. FIG.
8-11 is a figure which shows the opening condition of the paper pack container P with which the opening instrument 1 was mounted | worn, FIG. 8 is a side view, FIG. 9 is a rear view, FIGS. It is.
FIG. 12 is a perspective view showing the opening state of the paper pack container P. FIG.

First, the structure of the opening instrument 1 which concerns on this embodiment is demonstrated based on FIGS.
As shown in FIGS. 1 to 5, the opening device 1 is composed of a strip-shaped handle 2 that is flat in the front and rear direction and formed long and vertically, and an opening clip 3 that is connected to the lower side of the handle 2.
The handle 2 has a three-layer structure in which an acrylic resin intermediate plate 11 is pressure-bonded between wooden outer plates 10 and 10 and is formed to be slightly thick as a whole so that it can be easily grasped with one hand. As shown in the figure, the center part has a constricted shape.

  As shown in FIG. 1 to FIG. 5, the opening clip 3 is arranged so that a pair of plate-like bodies 5, 5 are symmetrically opposed to each other, and a predetermined first space 7 and second spaces 8, 8 It is configured so that it can be formed. In this embodiment, the opening clip 3 is made of stainless steel, but other than this, it can be made of aluminum, synthetic resin, or the like. However, by using stainless steel, the opening clip 3 can be formed thin (about 1 mm), so that the operability is improved and the corrosion resistance is excellent.

  As shown in FIGS. 1 to 5, the plate-like bodies 5, 5 are each a body portion 15, 15 having a substantially rectangular shape in a side view, and inclined portions 16, 16 coupled to the lower side of the body portions 15, 15. The inclined portions 16 and 16 have a divergent shape, that is, a shape protruding outward as it goes downward. Below the handle 2, an intermediate plate 11 extends to form a sandwiched portion 11 '. The sandwiched portion 11' is sandwiched by the body portions 15 and 15 from both the left and right sides, and serves as a spacer. By fulfilling the above, the first space 7 is provided between the body portions 15 and 15.

As shown in FIGS. 1 and 2, notched portions 18 and 18 that are cut in a curved shape are formed at appropriate positions on the front end edges of the body portions 15 and 15, and the front ends of the inclined portions 16 and 16. At the edge, sharp insertion portions 20 and 20 that are continuous with the notches 18 and 18 are provided.
In addition, as shown in FIGS. 1 to 5, the inclined portions 16, 16 are partially extended rearward to form extended portions 21, 21, and the inclined portions 16, 16 are further connected via bent portions 22, 22. Folded portions 23 and 23 are formed so as to be folded back in front and substantially parallel to the inclined back surface of the second space 8 and between the inclined portions 16 and 16 and the folded portions 23 and 23, the second spaces 8 and 8. Are provided.

In the present embodiment, the grips 2 and the body portions 15 of the unsealing clip 3 are connected to each other by using both-plate shaped rivets R as shown in FIG. 1, but screws, adhesives, etc. Of course, other fixing means may be used or used together.
Further, the handle 2 can have a configuration other than the three-layer structure including the outer plates 10 and 10 and the acrylic resin intermediate plate 11 as described above. The appearance can be improved, and the waterproofness of the sandwiched portion 11 ′ can be improved.

The usage mode etc. of the opening instrument 1 comprised as mentioned above are demonstrated based on FIGS.
The paper pack container P targeted by the present invention has a conventionally known configuration. That is, as shown in FIG. 6, the paper pack container P includes a main body 30 having a rectangular parallelepiped shape and an arbitrary height, and roof-shaped parts 31 and 31 formed in a mountain shape at the upper part of the main body 30. Then, the sealing portion 32 is formed by extending the upper ends of the roof-like portions 31, 31 upward by a predetermined length and joining them. Opening / closing parts 34 and 34 having a triangular shape are formed on the front half side of the roof-like parts 31 and 31 via folds 34 'and 34', and the folding top part 39 'and the central top part 50 are forward. The opening / closing parts 34, 34 are opened on both the left and right sides so as to be exposed, and the outer folding parts 36, 36 and the inner folding parts 37, 37 sealed by the adhesive parts 35, 35 are peeled off to open the opening 40, 40. The pour spout is formed by pulling out the folding part 39 to the front side.

  When using the opening device 1, first, as shown in FIG. 6, as shown in FIG. 6, the opening / closing portions 34, 34 of the paper pack container P are opened on both the left and right sides. Open and close the opening and closing portions 34 and 34 sufficiently so that the outer side surfaces of the opening and closing portions 34 and 34, that is, the outer folding portions 36 and 36 abut against the sloped surfaces of the rear roof-like portions 31 and 31. Leave it in the state.

Next, while holding such a state of the paper pack container P with one hand, the opening device with the other hand from the back of the paper pack container P (in the direction of arrow A shown in FIG. 7). Wear 1
As shown in FIGS. 8 to 9, the opening device 1 is attached to the paper pack container P, while the substantially second half of the sealing portion 32 is fitted into the first space 7 and the roof-like portion is placed in the second spaces 8 and 8. This is performed by fitting a predetermined height portion in the substantially second half portion of 31, 31. Further, as shown in FIGS. 8 to 9, as the opening instrument 1 is advanced, the sharp ends of the insertion portions 20, 20 are placed in the adhesive portions 35, 35 of the opening / closing portions 34, 34 bent in a predetermined state. The openings 40 and 40 are inserted, and the openings 40 and 40 are incised to form cuts 41 and 41.

  In the opening instrument 1 according to the present embodiment, as shown in FIG. 10, a horizontal end surface 45 is formed at the lower end of the sandwiching portion 11 ′, and a locking portion 46 projects downward from the rear portion. The stopper 46 abuts against the rear end edge 51 of the sealing portion 32, so that the forward movement of the opening device 1 is stopped and the attachment to the paper pack container P can be completed. . When the mounting is completed, as shown in FIG. 10, the tip of the insertion portion 20, 20 is configured to reach the middle position of the adhesive portion 35, 35 of the opening / closing portion 34, 34. It is.

After the attachment of the opening device 1 to the paper pack container P is completed, an operation for expanding the notches 41 and 41 of the adhesive portions 35 and 35 formed as described above is performed. As this operation, it is only necessary to tilt the handle 2 forward with the other hand while supporting the paper pack container P with one hand.
Then, as shown in FIG. 11, in combination with the action that the rear end edges of the roof-like portions 31, 31 of the paper pack container P are lifted upward by the folded portions 23, 23 of the opening clip 3, The vicinity of the central top portion 50 of the P sealing portion 32 is pushed down by the lower end front portion 45 ′ of the sandwiching portion 11 ′ of the opening clip 3, and the outer folding portions 36 and 36 of the opening and closing portions 34 and 34 are opened by the opening clip 3. The insertion portions 20 and 20 are pushed down and the notches 41 and 41 are pushed and widened to form an opening 55.

  At this time, in particular, because the force that peels the periphery of the central top 50 of the outer folding part 36, 36 from the vicinity of the folding top 39 'of the inner folding part 37, 37 acts, as shown in FIGS. The opening 55 can be formed so as to include the periphery of the folding top portion 39 ′ and communicate the adhesive portion 35 in and out.

Furthermore, the opening device 1 according to the present embodiment is provided with a locking portion 46, and the locking portion 46 is provided behind the sealing portion 32 of the paper pack container P as the handle 2 tilts as shown in FIG. 11. In order to press the end edge 51, tilt the rear end edge 51 forward, and apply a moment force that moves the central top 50 of the sealing portion 32 downward, the notches 41 and 41 are spread with a smaller force, An opening 55 can be formed.
In addition, an end face 45 is formed at the lower end of the sandwiching portion 11 ′, and can substantially abut against the upper end edge 32 ′ in the substantially rear half of the sealing portion 32 of the paper pack container P. Together with the locking part 46, the substantially second half part of the sealing part 32 can be reliably held.

  Moreover, since the notch parts 18 and 18 of predetermined shape are formed in the front part of the trunk | drum parts 15 and 15 of the opening clip 3, the collision with the outer side folding parts 36 and 36 of the opening-and-closing parts 34 and 34 is prevented. Thus, the smooth tilting forward of the body portions 15 and 15 accompanying the tilting of the handle 2 is not hindered.

  As shown in FIG. 8, when the insertion portion 20 is inserted into the adhesive portion 35, the oblique side 20 ′ of the insertion portion 20 is as small as possible as a straight line formed by the opening 40 (preferably about 15 to 45 degrees). ) Is preferable. If it is such a structure, the insertion part 20 will contact | abut in surface in the adhesion part 35, and the width | variety of the notch 41 along the opening 40 can be taken large, and it will be easy to peel off the adhesion part 35 I can do it.

  After the notches 41 and 41 are spread by the above and the predetermined opening 55 is formed, the opening device 1 is returned to the original vertical state and then removed from the paper pack container P. Then, as shown in FIG. 12, it is possible to obtain a state in which the opening 55 is formed from the folded top portion 39 'of the paper pack container P to the left and right.

  Further, as shown in FIG. 12, the opening / closing portions 34 are pulled forward, and the opening 55 is formed so as to include the periphery of the folding top portion 39 'and communicate the adhesive portion 35 inside and outside as described above. Therefore, the inner folding portions 37, 37 are peeled off from the outer folding portions 36, 36 very simply by applying a slight force to the opening / closing portions 34, 34 from both the left and right sides. Further, the spout 56 can be formed by projecting the folding top 39 'forward.

  As described above, according to the opening instrument 1 according to the present embodiment, the opening / closing portion 34, 34 is attached to the paper pack container P in a predetermined state, and the opening / closing portion is simply tilted forward. Since the predetermined opening 55 can be formed in the adhesive portions 35, 35 of the 34, 34, the operation is extremely simple. Moreover, even if the force applied to the handle 2 is very small, an effective force can be applied to the paper pack container P by the principle of the lever and the structure of the opening clip 3 described above. Even a child or a person with a handicapped hand can easily perform the opening operation.

  Further, unlike the conventional one in which a claw-like piece is arbitrarily inserted in the vicinity of the folding top portion 39 ′, a substantially constant opening 55 can be formed by anyone, and the adhesive portion 35 in the vicinity of the folding top portion 39 ′ is damaged. Without fear, the outer folded portions 36 and 36 and the inner folded portions 37 and 37 can be peeled off very finely. And since the insertion parts 20 and 20 are inserted moderately in the position away from the folding top part 39 ', there is no problem in food hygiene.

  In addition, about the structure of the 1st space 7 and the 2nd space 8 and 8, it can also be set as the structure which closely fits the sealing part 32 and the roof-like parts 31 and 31 of the paper pack container P, respectively, More preferably, this These are configured so as to be fitted in a playable state (for example, a clearance of 1 to 2 mm) within a range not losing the effects expected by the invention. If it is such a structure, the attachment or detachment to the paper pack container P of the opening instrument 1 can be performed easily. Further, a configuration in which a permanent magnet is embedded in a part of the handle 2 may be adopted. In this case, it becomes possible to magnetically hold the opening device 1 at a desired place such as a refrigerator door, so that it is easy to find out when necessary and convenience is improved.

  The description of the above embodiment does not limit the present invention, and various design changes and the like can be made without departing from the gist of the present invention.

  The present invention provides an opening device for a paper pack container that can be operated very easily and can be opened easily and cleanly by anyone with a very small force. Have the availability of.

It is a side view which shows an opening instrument. It is a front view which shows an opening instrument. It is a rear view which shows an opening instrument. It is a top view which shows an opening instrument. It is a bottom view which shows an opening instrument. It is a perspective view of the paper pack container which shows an opening condition. It is a perspective view of the paper pack container which shows an opening condition. It is a side view which shows an opening condition. It is a rear view which shows an opening condition. It is a side partly notched view which shows an opening condition. It is a side partly notched view which shows an opening condition. It is a perspective view of the paper pack container which shows an opening condition.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Opening instrument 2 Handle 3 Opening clip 5 Plate-shaped body 7 1st space 8 2nd space 11 'Clamping part 15 Trunk part 16 Inclination part 18 Notch part 20 Insertion part 22 Bending part 23 Folding part 31 Roof-like part 32 Sealing part 34 Opening / closing part 35 Adhesive part 36 Outer folding part 37 Inner folding part 39 Folding part 39 ', 39''Folding top part 41 Cutting 45' Lower end front part 46 Locking part 50 Center top part 51 Rear edge
55 Opening P Paper pack container

Claims (3)

An opening instrument for a paper pack container having a strip-shaped handle and an opening clip formed by symmetrically arranging a pair of plate-like bodies connected to the lower side of the handle,
The plate-like body of the opening clip is:
A body part that forms a first space in which a substantially second half part of the sealing part of the paper pack container can be fitted by sandwiching a sandwiching part extending below the handle;
A folded portion formed in a divergent shape coupled to the lower portion of the trunk portion and folded forward through a rear bent portion is provided, and a roof shape of the paper pack container is provided between the folded portion and the folded portion. An inclined portion that forms a second space into which a substantially second half of the portion can be fitted, and
At the front edge of the inclined portion, the opening / closing portion formed on the front half side of the paper pack container is bonded to the opening / closing portion in a state where the outer folding portion is bent so as to contact the rear roof-like portion. An insertion part for forming a cut by inserting into the part from behind is provided,
As the handle is tilted forward, the lower front portion of the clamping portion pushes down the vicinity of the central top portion of the sealing portion, and the insertion portion pushes down the outer folding portion of the opening / closing portion, An opening device for a paper pack container adapted to spread out the cut. A locking part protrudes from the lower end of the clamping part,
2. The paper pack according to claim 1, wherein, as the handle is tilted forward, the locking portion presses the rear end edge of the sealing portion to tilt the rear end edge forward. 3. Container opening device. The opening device for a paper pack container according to claim 1 or 2, wherein a notch portion that is cut in a curved shape is formed at a front end edge of the body portion, and the insertion portion is provided continuously to the notch portion. .

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