JP2005255224A - Packaging box and production method of the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a packaging box which is useful in packaging, storing, transporting and exhibiting an item to be packaged requiring damageproof, vibrationproof and rattleproof characteristics. <P>SOLUTION: This packaging box is provided with a back face wall having a top cover piece and a bottom cover piece, a right side face wall 5 having a top flap piece and a bottom flap piece, a front face wall having a top cover piece and a bottom cover piece, and a left side face wall 7 having a cover flap piece and a bottom flap piece. The main body A of the packaging box is integrally provided with a left inside wall 3 attached to the inside of the wall 7, a right inside wall 1 attached to the inside of the wall 5, and a connecting wall for connecting the wall 1 and the wall 3. Both sides of the bottom of the main body A are integrally provided with bottom hold parts B, C having a cushioning characteristic for elastically holding both bottom sides of an object P to be packaged. Pieces 20, 30 for forming the bottom hold parts are formed of bottom cushioning pieces 21, 31 protruding diagonally toward the inside of the main body A in assembling the box, bottom supporting and cushioning pieces 22, 32 protruding toward the inside of the box with the bottom cushioning pieces in assembling the box, and attaching pieces 23, 33 attached to the bottom flap piece in assembling the box. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a packaging box provided with a holding part having cushioning properties for accommodating and holding easily-damaged packages such as medicine bottles, cosmetic liquid bottles, food and drink bottles, precision instruments, and automobile parts. And a method of manufacturing the packaging box.

In the case of obtaining buffering properties, the conventional packaging box uses foamed polystyrene, other materials such as stuffing and elastic bodies made of other materials. In Patent Document 1, as a packaging box that accommodates and holds a packaged item that is easily damaged, such as a bottle, in order to suppress rattling during transportation or to protect the packaged item from impact and prevent it from being damaged A technique is disclosed in which box-shaped cushioning members are provided at the upper and lower portions of the box body. Patent Document 2 discloses a packaging box having a structure in which a folding piece is provided at the upper part of a box body and a cushioning material that presses the upper part of the article to be wrapped is pressed and supported by the folding piece.
JP-A-8-58772 Utility Model Registration No. 2540678

  However, if a separate member is used as the cushioning material, automatic packing using a cartoning machine or the like cannot be performed automatically, the automatic packing process increases and becomes complicated, and the cost of raw materials and machinery and equipment increases. There was a problem that the punching process with the metal mold could not be performed in one time.

  Moreover, in patent document 2, although it has a buffering function from the upper and lower sides, it does not have a buffering function with respect to the impact from the front, the back, and the side, and the size (diameter, width, etc.) of the packaged item is larger than the packaging box. If it is small, there is a problem that rattling cannot be prevented.

  In the packaging box of the above-mentioned Patent Document 1, since the packaging object is packed near the buffer wall by the slanting extension in the box of the buffer space forming wall (buffer wall), the packaging object is gathered. For the impact from the side, there is a problem that not only does not have a buffer function, but the center of gravity of the object to be packaged moves to the approached side and becomes unstable.

 Furthermore, in any of the above-described techniques, the cushioning material itself that supports the top and bottom of the package is not cushioned against movement in the lateral direction (circumferential direction) of the package. It was not possible to absorb the vibrations and vibrations caused by

  The present invention has been made by paying attention to the above circumstances, and its first object is extremely useful for packaging, storage, transportation, display, etc. of articles to be packed that are required to prevent breakage, vibration, and rattling. Is to provide a simple packaging box.

  A second object of the present invention is to provide a method for manufacturing a packaging box capable of box assembly and automatic packaging by automation using a cartoning machine or the like.

In order to achieve the first object, the present invention provides a rear wall 4 having an upper lid piece 8 and a bottom lid piece 9 at the upper and lower parts, and a lid flap piece 10 and a bottom flap piece 11 at the upper and lower parts. A right side wall 5 that is continuous with the rear wall 4, a front wall 6 that has an upper lid piece 12 and a bottom lid piece 13 at the upper and lower portions and that is continuous with the right side wall 5, and a lid flap at the upper and lower portions. In a packaging box having a piece 14 and a bottom flap piece 15 and a left side wall 7 connected to the front wall 6, the left inner wall 3 bonded to the inside of the left side wall 7 to the box body A. And a right inner wall 1 bonded to the inner side of the right side wall 5 and a connecting wall 2 that connects the right inner wall 1 and the left inner wall 3 are provided integrally.
Lower holding parts B and C having cushioning properties for elastically holding both sides of the bottom of the package P are integrally provided on both lower sides of the box body A, and the lower holding part forming pieces 20 and 30 are provided on the left inner wall. 3 and the lower buffer pieces 21 and 31 which are provided continuously below the right inner wall 1 and project obliquely into the box body A when the box is assembled, and are connected to the lower buffer pieces and are boxed together with the buffer pieces 21 and 31 when the box is assembled. The lower support buffer pieces 22 and 32 projecting inwardly to form the lower holding parts B and C, and the adhesive pads 22 and 32 connected to the inner surfaces of the bottom flap pieces 11 and 15 when the box is assembled. It is characterized by being formed from the pieces 23 and 33.

  The connecting wall 2 that connects the right inner wall 1 and the left inner wall 3 may abut against the inner surface of the front wall 6 to support the peripheral side portion of the package (in this case, the right inner wall 1 and The width of the left inner wall 3 is set to be substantially the same as the width of the right side wall 5 and the left side wall 7), but in order to provide cushioning for supporting the peripheral side portion of the package, 3 and the rear wall 4 are integrally connected, and the width of the left inner wall 3 and the right inner wall 1 is set to be narrower than the width of the left and right side walls 7, 5. It is formed as a buffer wall with which the article to be packaged abuts, and a buffer space S is formed between the connecting wall 2 as the buffer wall and the front wall 6.

  In order to achieve the second object, claim 3 is a method of manufacturing the packaging box according to claim 1 and claim 2, wherein the lower buffer pieces 21 and 31 and the lower support buffer pieces are manufactured. The continuous folds 20c and 30c with the inner and outer folds 20c and 30c are formed as inner mountain folds that are folded inwardly, and the position of the inner mountain folds 20c and 30c is the bottom flap piece 11 when the bottom flap piece is extended when the box is assembled. , 15 and the folds j, n are set to overlap with each other, and the bottom flap pieces 11, 15 to which the sticking pieces 23, 33 are bonded extend in the extending direction of the right side wall 5 and the left side wall 7. After being folded to open outward in the one-sided state in a single-extending state and attaching creases to the folds 20c and 30c, the bottom flap pieces 11 and 15 are folded inward in the box to form the lower holding parts B and C. Bulge formation And extent, and performing the step of closing the Sokofutahen 9,13.

  Although the said Claim 1 and Claim 2 specify the structure in the case of providing the lower hold parts B and C which have cushioning properties in the lower both sides in the box main body A, the upper both sides in the box main body A are also specified. In the case where the upper holding portions D and E having cushioning properties are provided (when the upper holding portions D and E are provided at four locations on the lower side in the box body and the upper side in the box body), the packaging box is configured as in claim 4.

  That is, in addition to the packaging box according to claim 1, a fourth aspect of the present invention is a cushioning upper hold portion D, which elastically holds both sides of the head of the package P on both upper sides of the box body A. E is provided integrally, and the upper holding portion forming pieces 40 and 50 are provided continuously to the upper portions of the left inner wall 3 and the right inner wall 1 and project obliquely into the box body A when the upper lid is closed after the package is loaded. Upper buffer pieces 18 and 28, and upper support buffer pieces 17 and 27 that are connected to the upper buffer pieces and project into the box together with the upper buffer pieces 18 and 28 when the upper cover is closed, and bulge and form the upper holding portions D and E. And sticking pieces 16 and 26 which are connected to the upper support buffer pieces 17 and 27 and are bonded to the inner surfaces of the lid flap pieces 10 and 14 when the box is assembled.

  A fifth aspect of the present invention is a method for manufacturing the packaging box according to the fourth aspect, wherein the upper buffer pieces 18 and 28 and the upper support are added to the method for manufacturing the packaging box specified in the fourth aspect. Consecutive folds 40d and 50d with the buffer pieces 17 and 27 are formed as inner mountain folds that are folded inwardly, and the positions of the inner mountain folds 40d and 50d are lids when the lid flap piece is extended when the upper lid is closed. It is set at a position overlapping with the folds i and m of the flap pieces 10 and 14, and the lid flap pieces 10 and 14 to which the sticking pieces 16 and 26 are bonded are placed on the right side when the upper lid is closed after the package is loaded. After the lid flap piece extending in the extending direction of the face wall 5 and the left side wall 7 is bent so as to open outward, the folds 40d, 50d are creased, and then the lid flap piece 10, Fold 14 in the direction of the box A step of swelling formed on the holding portion D, E bend, characterized in that a method of performing the step of closing the upper lid piece 8,12.

  According to the packaging box according to claim 1 and claim 2 of the present invention, both sides of the bottom of the packaged item P are elastically held by the lower holding parts B and C having cushioning properties, and according to claim 4 According to the packaging box, the four parts on both the bottom side and the both sides of the head of the package P are elastically held by the lower hold parts B and C and the upper hold parts D and E having cushioning properties. Because it absorbs the vibration and vibration caused by its own weight and has a buffer space for all the surfaces of the package, the package P can be protected from impacts from all directions. The backlash of the packaged item can be prevented, the center of gravity of the packaged product P can be located at the approximate center of the packaging box, the weight balance can be improved, and the size of the packaged product Even if it was smaller than the packaging box, it had the above effect An effect such that it is possible or accommodated.

  According to a third aspect of the present invention, there is provided a method for manufacturing a packaging box. The bottom flap pieces 11 and 15 to which the sticking pieces 23 and 33 are bonded are extended in the extending direction of the right side wall 5 and the left side wall 7. After the flap piece is extended so as to open outwardly from the box, the folds 20c and 30c are folded, and then the bottom flap pieces 11 and 15 are bent inward to lower hold parts B and C. The bottom holding pieces B and C can be formed automatically, making it easy to manufacture boxes by automation such as a cartoning machine. There is an effect that can be handled.

  Furthermore, in addition to the packaging box manufacturing method specified in claim 3, the manufacturing method of the packaging box according to claim 5 is the right side wall of the lid flap pieces 10, 14 to which the sticking pieces 16, 26 are bonded. 5 and the lid flap piece 10 extending in the extending direction of the left side wall 7 is bent so as to open to the outside of the box once, and the folds 40d, 50d are creased, and then the lid flap piece 10, 14 is a box member made of fairly hard paper or other material because the upper holding portions D and E are bulged and the upper lid pieces 8 and 12 are closed. However, the lower hold parts B and C and the upper hold parts D and E can be easily formed, and can be easily applied to automation such as cartoning machines. In addition to bottles for pharmaceuticals and cosmetics, precision equipment and automotive parts Etc. Storage, there is an effect that it is possible to obtain a suitable packaging box also when the display.

  Embodiments of the present invention will be specifically described below with reference to the drawings.

  1 to 4 show a first embodiment of the present invention. FIG. 1 is a developed plan view of the packaging box. FIG. 2 is a central longitudinal sectional view of the packaging box in a packaged state. 3 is a longitudinal sectional view taken along line XX of FIG. 2, and FIG. 4 is a transverse sectional view taken along line YY of FIG.

  In the figure, A is a rectangular box body, and the box body A has an upper lid piece 8 and folds g and h at the upper and lower edges as shown in the box development view of FIG. The rear wall 4 with the bottom cover piece 9 extended, the lid flap piece 10 and the bottom flap piece 11 extended through the folds i and j at the upper and lower edges, and connected to the rear wall 4 through the fold d. A right side wall 5 and a front wall 6 having a top lid piece 12 and a bottom lid piece 13 extending at the upper and lower edges via fold lines k and l and connected to the right side wall 5 via a fold line e, It comprises a left side wall 7 which has a lid flap piece 14 and a bottom flap piece 15 extending through creases m and n at the upper and lower edges and is connected to the front wall 6 via a crease f.

  The upper lid piece 8 is provided with a notch portion 8a for closing the lid, and the upper lid piece 12 has an opening notch 12a for opening the lid and a notch portion 8a for closing the lid. A closing lid latching protrusion 12b to be inserted and locked is provided.

  The box body A is provided with a left inner wall 3 connected to the rear wall 4 via a crease c and bonded to the inner side of the left side wall 7 at the hatching position indicated by 3a in FIG. A connecting wall 2 connected to the connecting wall 2 via a fold line b, and a right side connected to the connecting wall 2 via a fold line a and bonded to the inside of the right side wall 5 at the hatching position shown in FIG. The inner wall 1 is provided integrally.

  The height of the connecting wall 2 is set lower than the height of the front wall 6 as shown in FIGS. 1 and 3, and the width of the left inner wall 3 and the width of the right inner wall 1 are set narrower than the width of the left and right side walls 7, 5. Then, the connecting wall 2 is formed as a buffering wall with which the article to be packaged abuts as shown in FIG. 4, and a buffering space S is shown between the connecting wall 2 as the buffering wall and the front wall 6 in FIGS. It is made to form like this.

  On both lower sides of the box body A, there are provided lower hold parts B and C that elastically hold both sides of the bottom part of the package P as shown in FIG. The formation pieces 20 and 30 of C are integrally provided at the lower part of the left inner wall 3 and the right inner wall 1, and the configuration thereof is formed on the lower side of the left inner wall 3 and the right inner wall 1 via the score line 20 a and 30 a. The lower cushioning pieces 21 and 31 that are provided in a row and project obliquely into the box body A when the box is assembled (elastically hold both sides of the bottom of the packaged item P when the packaged item is loaded), As shown in FIG. 1, the lower support cushioning piece 22 is formed in a box 31 and protrudes into the box together with the cushioning pieces 21 and 31 when the box is assembled. 32, and the lower support buffer pieces 22, 32 are cut lines. 0d and 30d are connected to each other and are attached to the inner surfaces of the bottom flap pieces 11 and 15 at the hatching positions indicated by 23a and 33a in FIG. .

  The continuous folds 20c, 30c of the lower buffer pieces 21, 31 and the lower support buffer pieces 22, 32 are formed as inner mountain folds that are folded inwardly, and the positions of the inner mountain folds 20c, 30c are the box assembly. In the state where the bottom flap piece is extended (the state shown in FIG. 5), the positions where the bottom flap pieces 11 and 15 overlap with the folds j and n (the folds 20c and 30c in FIG. 1 are in line with the folds h, j, l and n). Position).

  The lower buffer pieces 21 and 31 are integrally connected to the lower part of the left inner wall 3 and the right inner wall 1 via the score line 20a and 30a, but at an upper position close to the score line 20a and 30a. Incision waist fold lines 20b and 30b are provided as shown in FIG.

  Further, upper holding portions D, E that protrude into the box body A when the upper cover is closed after the package is loaded, and elastically hold both sides of the head of the package P, on both sides of the upper part in the box body A. Is provided. The formation pieces 40 and 50 of the upper holding portions D and E are integrally provided on the left inner wall 3 and the right inner wall 1 as shown in FIG. 1, and the configuration thereof is that of the left inner wall 3 and the right inner wall 1. Upper buffer pieces 18 and 28 that are connected to each other through the cut lines 40a and 50a and project obliquely into the box body A when the box is assembled (on both sides of the head of the package P when the upper lid is loaded) The upper buffer pieces 18 and 28 are connected to the upper buffer pieces 18 and 28 through the folds 40d and 50d, and the upper buffer pieces 18 and 28 protrude into the box together with the upper buffer pieces 18 and 28 when the upper cover is closed. , E bulging and forming upper support buffer pieces 17, 27, and the upper support buffer pieces 17, 27 connected to the upper support buffer pieces 17, 27 through the score lines 20 e, 30 e. 1 hatching positions indicated by 16a and 26a It is formed from a stuck piece 16, 26 Metropolitan to be bonded.

  The continuous folds 40d and 50d of the upper buffer pieces 18 and 28 and the upper support buffer pieces 17 and 27 are formed as inner mountain folds folded inwardly, and the positions of the inner mountain folds 40d and 50d are the upper lid. Position where the lid flap pieces 10 and 14 overlap with the folds i and m in the extended state of the lid flap pieces when the lid is closed (the positions where the fold lines 40d and 50d are in line with the fold lines g, i, k and m in FIG. 1) Is set to

  The upper buffer pieces 18 and 28 can be bent at the waist as shown in FIG. 2 by providing the lower waist fold lines 40c and 50c and the lower cut lines 40b and 50b, but the lower waist fold lines 40c and 50c and the lower cut lines are provided. 40b and 50b can be omitted in some cases.

  In addition, the lower hold portion forming pieces 20 and 30 and the upper hold forming pieces 40 and 50 are reinforced to prevent settling, the number of streaks, the number of cuts, the strength of the press, and the size of the cuts. By adjusting the length, etc., it is also possible to adjust the push streak, the bend of the cut and the strength of the waist. Further, the positions of the hold parts A to D may be appropriately changed by adjusting the dimensions of the hold forming part according to the shape of the packaged object P to be accommodated or by increasing or decreasing the number of cuts and streaking. .

  As the material of the packaging box, cardboard or other thick paper is mainly used. However, printing may be performed on a part or all of the packaging box, or aluminum foil may be laminated or evaporated. When cardboard is used, the thickness is not particularly limited, but the thickness is 0.1 to 1.5 mm, preferably 0.2 to 1.0 mm, and more preferably 0.5 mm.

  When using this packaging box as a decorative box, considering the cost and ease of processing, it is preferable to use cardboard printed on the outer surface of the packaging box, laminated with aluminum foil, or subjected to aluminum vapor deposition. It is done. When aluminum foil is bonded together, the thickness is not particularly limited, but the thickness is 0.1 to 100 μm, preferably 1 to 10 μm, more preferably 5 to 7 μm, and most preferably 7 μm.

  In addition, for cosmetic purposes, some or all of the inside and outside of the packaging box may be affixed with PET, PP, vinyl, press coat, OP varnish, UV coating to prevent fading and discoloration due to ultraviolet rays. Ting may be applied.

The material of the box unfolding main body shown in FIG. 1 is one in which an aluminum foil having a thickness of 7 μm is bonded to the outside of a pattern made of cardboard having a basis weight of about 350 g / m ² and further subjected to UV coating. .

  FIGS. 5 to 8 show a method for manufacturing a packaging box corresponding to claim 5 of the present invention, wherein the lower folds 20c of the lower buffer pieces 21 and 31 and the lower support buffer pieces 22 and 32 are provided. 30c is formed as an inner mountain fold portion that is folded inwardly, and the positions of the inner mountain fold portions 20c, 30c are the fold lines j of the bottom flap pieces 11, 15 as shown in FIG. , N overlap with each other.

  In the state of FIG. 5 (bottom flap pieces extending state in which the bottom flap pieces 11 and 15 extend in the extending direction of the right side wall 5 and the left side wall 7), the bottom flap pieces 11 and 15 bonded to the sticking pieces 23 and 33 are attached. Is folded as shown by an imaginary line in FIG. 5 and a solid line in FIG. 6 so as to open to the outside of the box, and creases are attached to the folds 20c and 30c. Thereafter, when the bottom flap pieces 11 and 15 are folded inward in the box as indicated by imaginary lines in FIG. 5, the folds 20c and 30c are folded inwardly and the lower holding parts B and C are automatically bulged. It is formed. Here, a box structure as shown in the lower half of FIG. 2 is obtained by performing the process of closing the bottom cover pieces 9 and 13 and bonding the joint surfaces.

  Next, the lid flap pieces 10 and 14 extend in the extending direction of the right side wall 5 and the left side wall 7 in the lid flap piece extended state of FIG. 7 (in this state, the upper buffer pieces 18 and 28 and the upper support buffer piece 17, 27, the positions of the continuous folds 40d and 50d overlap with the folds i and m of the lid flap pieces 10 and 14, respectively). 7 is folded as shown by the imaginary line in FIG. 7 and the solid line in FIG. 8, and creases are attached to the folds 40d and 50d. Thereafter, when the lid flap pieces 10 and 14 are folded inward in the box as indicated by imaginary lines in FIG. 8, the folds 40d and 50d are folded inwardly, and the upper holding portions D and E automatically bulge out. It is formed. Here, a packaging box as shown in FIG. 2 is manufactured by performing a process of closing and latching the upper lid pieces 8 and 12.

  FIGS. 9 and 10 illustrate an embodiment corresponding to claim 1 of the present invention. Lower holding portions B and C are provided only on both sides of the lower portion of the box body A so as to be stored and held in the box body A. FIG. The upper part of the package P is configured to be held by a bent cover 45 such as an instruction manual. Since other configurations and operations are substantially the same as those of the first embodiment described above, the same parts are denoted by the same reference numerals and detailed description thereof is omitted.

  The present invention is not limited to the above-described embodiment as it is, and can be embodied by modifying the constituent elements without departing from the scope of the invention in the implementation stage. Moreover, various inventions can be formed by appropriately combining a plurality of constituent elements disclosed in the embodiment. For example, some components may be deleted from all the components shown in the embodiment. Furthermore, the constituent elements over different embodiments may be combined.

The expansion | deployment top view of the packaging box which shows 1st Embodiment of this invention. The center longitudinal cross-sectional view of the packaged state of the said packaging box. The longitudinal cross-sectional view which follows the XX line of FIG. The cross-sectional view which follows the YY line of FIG. 1st explanatory drawing of the principal part cross section which shows the manufacturing method of the packaging box of this invention. 2nd explanatory drawing of the principal part cross section which shows the manufacturing method of the packaging box of this invention. 3rd explanatory drawing of the principal part cross section which shows the manufacturing method of the packaging box of this invention. 4th explanatory drawing of the principal part cross section which shows the manufacturing method of the packaging box of this invention. The expansion | deployment top view of the packaging box which shows 2nd Embodiment of this invention. The center longitudinal cross-sectional view of the packaged state of the said packaging box. .

Explanation of symbols

A ... Box body, P ... Package, 1 ... Right inner wall, 2 ... Connection wall, S ... Buffer space, 3 ... Left inner wall, 4 ... Rear wall, 5 ... Right side wall, 6 ... Front wall, 7 ... Left side wall 8, 12 ... upper lid piece, 9, 13 ... bottom lid piece, a to n ... crease, 10, 14 ... lid flap piece, 11, 15 ... bottom flap piece, B, C ... lower hold part, D, E ... Upper hold part, 16, 26 ... sticking piece, 17, 27 ... upper support buffer piece, 18, 28 ..., 20, 30 ... lower hold part forming piece, 20c, 30c ... articulated fold, 21, 31 ... lower buffer piece , 22, 32 ... lower support buffer pieces, 23, 33 ... sticking pieces, 40, 50 ... upper hold portion forming pieces, 50d, 50d ... continuous folds.

Claims (5)

A rear wall 4 having an upper lid piece 8 and a bottom lid piece 9 at the upper and lower portions, a right side wall 5 having a lid flap piece 10 and a bottom flap piece 11 at the upper and lower portions and provided continuously to the rear wall 4, and upper and lower portions A front wall 6 having an upper lid piece 12 and a bottom lid piece 13 and connected to the right side wall 5, and a left side having a lid flap piece 14 and a bottom flap piece 15 in the upper and lower parts and connected to the front wall 6. In the packaging box comprising the face wall 7,
A left inner wall 3 bonded to the inside of the left side wall 7, a right inner wall 1 bonded to the inner side of the right side wall 5, and a connecting wall 2 connecting the right inner wall 1 and the left inner wall 3 to the box body A. And integrated,
Lower holding parts B and C having cushioning properties for elastically holding both sides of the bottom of the package P are integrally provided on both lower sides of the box body A, and the lower holding part forming pieces 20 and 30 are provided on the left inner wall. 3 and the lower buffer pieces 21 and 31 which are provided continuously below the right inner wall 1 and project obliquely into the box body A when the box is assembled, and are connected to the lower buffer pieces and are boxed together with the buffer pieces 21 and 31 when the box is assembled. The lower support buffer pieces 22 and 32 projecting inwardly to form the lower holding parts B and C, and the adhesive pads 22 and 32 connected to the inner surfaces of the bottom flap pieces 11 and 15 when the box is assembled. A packaging box characterized by being formed from the pieces 23 and 33.   The left inner wall 3 and the rear wall 4 are integrally connected, and the width of the left inner wall 3 and the right inner wall 1 is set to be narrower than the width of the left and right side walls 7, 5. The packaging space according to claim 1, wherein a cushioning wall S is formed between the connecting wall 2 as the buffering wall and the front wall 6. box. A method for producing the packaging box according to claim 1 and claim 2,
The continuous folds 20c and 30c of the lower buffer pieces 21 and 31 and the lower support buffer pieces 22 and 32 are formed as inner mountain folds that are folded inwardly, and the positions of the inner mountain folds 20c and 30c are at the time of box assembly. Is set at a position overlapping with the folds j, n of the bottom flap pieces 11, 15 in the bottom flap piece extended state of
The bottom flap pieces 11 and 15 to which the sticking pieces 23 and 33 are bonded are bent so as to open to the outside of the box once in the extended state of the bottom flap pieces extending in the extending direction of the right side wall 5 and the left side wall 7. After folding the folds 20c and 30c, folding the bottom flap pieces 11 and 15 inward in the box to form the lower holding portions B and C, and closing the bottom lid pieces 9 and 13 A method for producing a packaging box, comprising performing a lidding step. A rear wall 4 having an upper lid piece 8 and a bottom lid piece 9 at the upper and lower portions, a right side wall 5 having a lid flap piece 10 and a bottom flap piece 11 at the upper and lower portions and provided continuously to the rear wall 4, and upper and lower portions A front wall 6 having an upper lid piece 12 and a bottom lid piece 13 and connected to the right side wall 5, and a left side having a lid flap piece 14 and a bottom flap piece 15 in the upper and lower parts and connected to the front wall 6. In the packaging box comprising the face wall 7,
A left inner wall 3 bonded to the inside of the left side wall 7, a right inner wall 1 bonded to the inner side of the right side wall 5, and a connecting wall 2 connecting the right inner wall 1 and the left inner wall 3 to the box body A. And integrated,
Lower holding parts B and C having cushioning properties for elastically holding both sides of the bottom of the package P are integrally provided on both lower sides of the box body A, and the lower holding part forming pieces 20 and 30 are provided on the left inner wall. 3 and the lower buffer pieces 21 and 31 which are provided continuously below the right inner wall 1 and project obliquely into the box body A when the box is assembled, and are connected to the lower buffer pieces and are boxed together with the buffer pieces 21 and 31 when the box is assembled. The lower support buffer pieces 22 and 32 projecting inwardly to form the lower holding parts B and C, and the adhesive pads 22 and 32 connected to the inner surfaces of the bottom flap pieces 11 and 15 when the box is assembled. Formed from the pieces 23 and 33;
Upper holding portions D and E having cushioning properties for elastically holding both sides of the head of the package P are integrally provided on both upper sides of the box body A, and the upper holding portion forming pieces 40 and 50 are provided on the left side. Upper buffer pieces 18 and 28 which are provided continuously on top of the inner wall 3 and the right inner wall 1 and project obliquely into the box body A when the upper cover is closed after the package is loaded. Upper support buffer pieces 17 and 27 projecting into the box together with the upper buffer pieces 18 and 28 at the time of the lid and bulging and forming the upper holding portions D and E, and the upper support buffer pieces 17 and 27 are connected to the upper support buffer pieces 17 and 27 so as to cover the lid when assembling the box. A packaging box, characterized in that it is formed from sticking pieces 16, 26 adhered to the inner surfaces of the pieces 10, 14. A method for producing the packaging box according to claim 4,
The continuous folds 20c and 30c of the lower buffer pieces 21 and 31 and the lower support buffer pieces 22 and 32 are formed as inner mountain folds that are folded inwardly, and the positions of the inner mountain folds 20c and 30c are at the time of box assembly. Is set at a position overlapping with the folds j, n of the bottom flap pieces 11, 15 in the bottom flap piece extended state of
The bottom flap pieces 11 and 15 to which the sticking pieces 23 and 33 are bonded are bent so as to open to the outside of the box once in the extended state of the bottom flap pieces extending in the extending direction of the right side wall 5 and the left side wall 7. After folding the folds 20c and 30c, folding the bottom flap pieces 11 and 15 inward in the box to form the lower holding portions B and C, and closing the bottom lid pieces 9 and 13 Performing the capping process,
Consecutive folds 40d, 50d of the upper buffer pieces 18, 28 and the upper support buffer pieces 17, 27 are formed as inner mountain fold portions that are folded inwardly, and the positions of the inner mountain fold portions 40d, 50d are closed on the upper lid. It is set at a position overlapping with the folds i and m of the lid flap pieces 10 and 14 in the extended state of the lid flap pieces at the time of the lid,
When the upper lid is closed after the package is loaded, the lid flap pieces 10 and 14 to which the sticking pieces 16 and 26 are adhered are extended in the extending direction of the right side wall 5 and the left side wall 7. And then folding the lid folds 10 and 14 inward to form the upper hold portions D and E. And a step of closing the upper lid pieces 8 and 12.

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