JPH0326104Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) The present invention relates to an unfoldable folding paper container, which can be used to pack lunch boxes, etc., and can also be used for tableware while unfolded.

(Prior art) Containers used to pack lunches and the like cannot be expanded without being destroyed, and when folding paper containers are used, it is difficult to take out the contents if there are other utensils available at work, at home, or in the mountains. In most cases, the folded paper carton is transferred to another tableware, and no proposal has been made to enable the unfolded paper carton to be used as a tableware or saucer as it is.

(Problems to be Solved by the Invention) The objective of the present invention is to develop a paper container that can be packed with lunch boxes and the like and can be easily unfolded from the box form and used as a saucer.

(Means for solving the problem) The purpose of the present invention is to solve the problem mentioned in the previous section.A rectangular bottom plate 1 is provided at the center of a sheet of folding carton paper, and the four sides of the bottom plate 1 are fold line
Bending line c ₁ at the same height from a ₁ , a ₂ , b ₁ , b ₂ ,
A pair of first side plates 2 each having c ₂ , d ₁ , and d ₂
a, 2b and the second side plates 3a, 3b are formed to extend, and the bending lines on both sides of the first side plate and the second side plate are formed.
Triangular connecting pieces 4a, 4b and 5a, 5b are formed between e ₁ , e ₂ , f ₁ , f ₂ and g ₁ , g ₂ , h ₁ , h ₂ , and the connecting pieces 5a and 5b are connected at the center of each connecting piece. Connect each connecting piece to the second side plate 3a and 3
Bending line for bending to the inner surface of either b
i ₁ , i ₂ , j ₁ , j ₂ are provided, and the bending line of the first side plate is
Half-shaped cover plates 6a and 6b extending from c ₁ and c ₂ to the upper center of the bottom plate 1 are extended, and tongue pieces 7a and 7b are formed protruding from the center of each cover plate, and both sides of each tongue piece are extended. Bending lines k ₁ and k ₂ are provided in the handle pieces 8a and 8b, which are cut out from the tongue pieces, are provided in an extended shape, and protruding pieces 9a, 9b, and 10 for locking are provided on both sides of the carry pieces.
a, 10b, and a second side plate 3 is provided at each outer edge of the four triangular connecting pieces along with the bending described above.
A locking piece 1 protruding from the central part of a and 3b
1a, 11b, 12a, 12b are provided to form locking holes 13a, 13b, 14a, 14b which are hooked into the locking projections 9a, 9b, 10a, 10b, respectively, and the second side plates 3a, 3b are fold line
Bending piece 15 that is bent 180° inward from d ₁ and d ₂
a, 15b are extended and grooves 16a, 16b are provided on the bending lines _d1 , _d2 through which the locking pieces 11a, 11b and 12a, 12b are overlapped. While erecting the side plates 2a, 2b and the second side plates 3a, 3b, the connecting pieces 4a, 4b,
5a, 5b to contact the inner surfaces of the second side plates 3a, 3b, then bend the bent pieces 15a, 15b at right angles to the inner surfaces, and bend the locking pieces 11a, 12a of the connecting pieces 4a, 5a. Pass the locking pieces 11b of the connecting pieces 4b and 5b through the slot 116 of the piece 15a in an overlapping manner, and pass the locking pieces 11b of the connecting pieces 4b and 5b through the slot 16b of the bent piece 15b, and then bend the cover plates 6a and 6b horizontally to make a handrail piece. 8a, 8
An expandable folding device characterized in that the above-mentioned locking pieces 11a, 12a, 11b, 12b are hooked to the locking protruding pieces 9a, 10a, 9b, 10b provided on each handpiece by folding the handles 11a, 12a, 11b, 12b together. This relates to paper containers.

(Example) Fig. 1 shows an example of solving the problems of the present invention. A pair of first side plates _2a , _2b each having folding lines _c1 , _{c2 , d1} , _d2 at the same height from the four-side folding lines a1, a2, b1, _b2 ; The side plates 3a and 3b are formed to be extended, and between the bending lines e ₁ , e ₂ , f ₁ , f ₂ and g ₁ , g 2 , h ₁ , h ₂ on both sides of the first side plate and the _second side plate, Triangular connecting pieces 4a, 4b and 5a, 5b are constructed, and bending lines i ₁ , i are provided at the center of each connecting piece for bending each connecting piece to the inner surface of either of the second side plates 3a and 3b. ₂ , j ₁ and j ₂ are provided, and the half-piece-shaped lid plates 6a and 6b reaching from the bending lines c ₁ and c ₂ of the first side plate to the upper center of the bottom plate 1 are extended to the center part of each lid plate. Tongues 7a and 7b are formed to protrude, respectively, and bending lines k ₁ and k ₂ are provided on both sides of each tongue, and handbag pieces 8a and 8b are provided in an extended form by cutting out the tongues. Locking protruding pieces 9a, 9 on both sides
b, 10a, 10b, and locking pieces 11a, 11b, 12a, which protrude from the central part of the second side plates 3a, 3b along with the bending at each outer edge of the four triangular connecting pieces. 12b are provided and the locking protruding pieces 9a, 9b, 10a, 1 are provided respectively.
Locking holes 13a, 13b, 14a, 1 that hook into 0b
4b, and further form extensions of bending pieces _15a , 15b which are bent 180 degrees inward from the bending lines d1, _d2 of the second side plates 3a, 3b to form the bending lines _d1 , d2 _.
The locking pieces 11a, 11b, and 12a, 12
This relates to an unfoldable folding paper container characterized by providing slots 16a and 16b through which paper sheets 16a and 16b are overlapped.

(Function) The unfoldable folding paper container of the present invention has the configuration illustrated in the above embodiment, with first side plates 2a, 2b and second side plates 3a, 3 extending from the bottom plate 1 to four sides.
b stand up, and then the connecting pieces 4a, 4b and 5
a, 5b to bend lines i ₁ , i ₂ and bend lines j ₁ ,
j ₂ inward to contact the inner surfaces of the second side plates 3a and 3b, and then fold the bent pieces 15a and 15b inward 180 degrees, respectively, and at this time, the locking pieces 11a and 11b and the locking piece 12a and 12b are overlapped to form the slot 16.
The bent piece 15 is passed from the inner surface to the outer surface of a and 16b.
A is covered from the inner surface of a part of the connecting pieces 4a, 4b, and a bent piece 15b is covered from the inner surface of a part of the connecting piece 5a, 5b, so that the box form is arranged as shown in FIG.

After stacking lunch boxes, bread, etc. on the bottom plate 1 to fill the box, fold the half-shaped lid plates 6a and 6b inward so that the folding lines k ₁ and k ₂ meet, and create a handbag piece. 8a and 8b are set up in parallel contact with each other, tongue pieces 7a and 7b are submerged under the handbag pieces 8a and 8b, and assembled to overlap each other vertically.Finally, the tongue pieces 7a and 7b are assembled by standing up together with the handbag piece 8a and the two pieces are put together. A locking piece 11 is attached to the locking protrusion pieces 9a and 9b that are
The locking holes 13a and 13b of a and 11b are hooked into the package as shown in FIG. 3.

(Effects) The present invention is not only capable of filling the inside of an assembled paper container with contents such as lunch boxes, vegetables, etc., which may or may not be stuffed into a thin bag, but can also be used as a handbag to stand upright. Locking protrusions 9a, 9b and 10a, 10b that meet each other when standing are formed on each side of 8a, 8b, and grooves 16a and 16b are formed.
The locking pieces 11a, 11b passed through and pulled out to the outside.
The locking holes 13a and 13b provided in the latching holes 13a and 13b are hooked onto the locking protrusions 9a and 9b which are overlapped one above the other on the other hand
Locking holes 1 of locking pieces 12a and 12b are provided at 0a and 10b.
4a and 14b are hooked together to prevent the carrying pieces 8a and 8b from splitting into two and to prevent the assembled form from collapsing.Furthermore, when unfolded and disassembled, there are four connecting pieces 4a and 4b. ,5a,5
Each of b is rippled by the bending lines i ₁ , i ₂ , j ₁ , j ₂ and does not return to its flat shape at the time of manufacture, and since there are almost no punch holes, it forms a plate shape and can be used as is as a tray or receiving tableware. It has various effects such as.

[Brief explanation of drawings]

The attached drawings illustrate embodiments of the present invention.
FIG. 1 is an exploded view, FIG. 2 is a perspective view showing the assembly of the box, and FIG. 3 is a perspective view of the packaging completed. a → folding carton paper, 1 → bottom plate, 2a, 2b → first side plate, 3a, 3b → second side plate, 4a, 4b, 5a,
5b → connecting piece, 6a, 6b → cover plate, 7a, 7b →
Tongue piece, 8a, 8b → handbag piece, 9a, 9b, 10
a, 10b → protruding piece for locking, 11a, 11b, 1
2a, 12b → locking piece, 13a, 13b, 14
a, 14b → locking hole, 15a, 15b → bent piece,
16a, 16b → slot, a ₁ , a ₂ , b ₁ , b ₂ → bending line, c ₁ , c ₂ , d ₁ , d ₂ → bending line, e ₁ , e ₂ , f ₁ ,
f ₂ , g ₁ , g ₂ , h ₁ , h ₂ → bending line, i ₁ , i ₂ , j ₁ , j ₂
→ bending line, k ₁ , k ₂ → bending line.

Claims (1)

[Claims for Utility Model Registration] A rectangular bottom plate 1 is provided at the center of a sheet of folding carton paper, and the four sides of the bottom plate 1 have bending lines a ₁ , a ₂ , b ₁ ,
A pair of first side plates 2a, 2b and a second side plate 3a, 3b each having bending lines c ₁ , c ₂ , d ₁ , d ₂ at the same height from b 2 are formed _as extensions. side plate,
Triangular connecting pieces 4a, 4 are placed between the bending lines e ₁ , e ₂ , f ₁ , f ₂ and g ₁ , g ₂ , h ₁ , h ₂ on both sides of the second side plate.
b, 5a, 5b, and bending lines i ₁ , i 2 , j ₁ , j ₂ at the center of each connecting piece for bending each connecting piece to the inner surface of either of the second side plates 3a and _3b . from the bending lines c ₁ and c ₂ of the first side plate to the bottom plate 1
Half-shaped lid plates 6a and 6b that reach the upper center are extended, tongue pieces 7a and 7b are formed protruding from the center of each lid plate, and bending lines are formed on both sides of each tongue piece.
k ₁ and k ₂ are provided, handbag pieces 8a and 8b are provided in an extended shape by cutting out the tongue pieces, locking protruding pieces 9a, 9b, 10a, and 10b are provided on both sides of the handbag pieces, and the triangular Locking pieces 11a, 11b, 1 protrude from the central portion of the second side plates 3a, 3b at the outer edge of each of the four connecting pieces shaped as described above.
2a and 12b are provided, and the locking protrusion pieces 9 are respectively provided.
Locking hole 13 that hooks into a, 9b, 10a, 10b
a, 13b, 14a, 14b, and further from the bending lines d ₁ and d ₂ of the second side plates 3a and 3b to the inner surface.
The locking pieces 11a, 1 are formed by extending the bent pieces 15a, 15b which can be bent by 180 degrees to the bending lines _d1 , _d2.
1b, and a slot 16 through which 12a and 12b pass through
a, 16b, and first side plates 2a, 2b centered around the bottom plate 1.
and the second side plates 3a, 3b and the connecting piece 4.
a, 4b, 5a, 5b to form second side plates 3a, 3
b, and then the bent pieces 15a, 15b
Fold horizontally toward the inner surface of the connecting pieces 4a and 5.
Pass the locking pieces 11a, 12a of a overlappingly through the slot 16 of the bent piece 15a, and then connect the locking pieces 1 of the connecting pieces 4b, 5b.
1a and 11b are overlapped and passed through the slot 16b of the bent piece 15b, and the cover plates 6a and 6b are further bent horizontally,
Locking projecting pieces 9a, 10a and 9b, 10 are provided on each hand piece by folding the hand pieces 8a, 8b together.
The locking pieces 11a, 12a, 11b, 12 are attached to b.
An unfoldable folding paper container characterized by a hook b.