JP2006199320A - Folding container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a folding container capable of preventing ingress of dust or the like from occurring into the folding container. <P>SOLUTION: The folding container comprises an upper frame 1, a bottom part 2, flap side walls 3, an upper split side wall 4', and a lower split side wall 4". An elastically deformable tongue piece 14 with a projecting bar 14a projecting on the back side is formed by providing a pair of longitudinal slits 13 not extending over a peripheral wall 2b of the bottom part on a lower end of the flap side wall when the container is assembled in a box shape, and a fitting recessed part 2e in which the projecting bar projecting on the back side of the tongue piece can be fitted is formed on a strip-shaped bank part 2c of the bottom part. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a folding container used for storing, transporting or transporting various articles.

  Conventionally, a frame-shaped upper frame, a bottom, a side wall that is hinged at the upper end of the upper frame and that can be rotated inward of the folding container (hereinafter, this side wall is referred to as a flip-up side wall), and upper and lower sides There is known a folding container that is divided into an upper divided side wall and a lower divided side wall that are connected to each other through an appropriate hinge portion.

  In the above-described conventional folding container, when an external force is applied from the outside to the flip-up side wall standing substantially vertically in a state where it is assembled in a box shape, the flip-up side wall does not easily turn inward. In addition, a locking pin disposed on the flip-up side wall is inserted into a through hole formed in the bottom portion. A folding container having such a configuration is disclosed in Patent Document 1 as an example.

Japanese Utility Model Publication No. 57-180629

  The conventional folding container described above has a problem that dust and the like easily enter the folding container because the bottom portion has a through hole.

  An object of the present invention is to solve the problems of the above-described conventional folding container.

  In order to achieve the above-mentioned object, the present invention provides a folding container comprising an upper frame, a bottom part, a side wall, an upper parted side wall, and a lower parted side wall. By providing a pair of vertical slits that do not extend upward beyond the peripheral wall of the bottom portion, an elastically deformable tongue piece having a protrusion protruding from the back surface is formed, and the belt-like bank portion at the bottom portion has a tongue A fitting recess portion into which a protrusion protruding from the back surface of the piece can be fitted is formed.

  When assembled in a box shape at the lower end of the spring-up side wall, a pair of vertical slits that do not extend upward beyond the peripheral wall of the bottom is provided, so that the elastically deformable tongue with a protruding protrusion on the back surface can be formed. Since they are separated, it is possible to prevent dust and the like from entering the folding container.

  Further, since the bottom portion is not provided with a through hole unlike the bottom portion of the conventional folding container, the strength and rigidity of the bottom portion are increased, and consequently the strength and rigidity of the entire folding container are improved.

  Further, by forming a pair of vertical slits at the lower end of the spring-up side wall, an elastically deformable tongue with a protrusion projecting on the back surface is formed, so that the tongue is a strip-shaped bank formed at the bottom. The portion can be moved smoothly and without requiring a large force, and therefore the workability of the assembly operation of the folding container is improved.

  Examples of the present invention will be described below, but the present invention is not limited to these examples unless it exceeds the gist of the present invention.

  As shown in FIG. 1, the folding container has an upper frame 1, a bottom 2, and an inner side of the folding container, the upper end of which is hinged to the upper frame 1, similar to the conventional folding container described above. It is composed of a flip-up side wall 3 that is pivotable in the direction, and an upper divided side wall 4 ′ and a lower divided side wall 4 ″ that are hinged to each other. These are the upper frame 1, the bottom 2, the raised side wall 3, The upper divided side wall 4 ′ and the lower divided side wall 4 ″ are each integrally formed of synthetic resin. Note that R is a lid member made up of a pair of half-lid bodies r1 disposed in the folding container as required, and the long side portions of the half-lid bodies r1 are the long side portions of the upper frame 1 facing each other. It is hinged to 1a. In the following, the lid member R may be omitted as appropriate.

  Next, the flip-up side wall 3 will be described with reference to FIGS.

  As shown in FIG. 4, when the folding container is folded, a region where the tips of the flip-up side walls 3 in a substantially horizontal state overlap each other (hereinafter, this region is simply referred to as a polymerization region) 3 ′. , Located near the hinge connection with the upper frame 1, and in a state where the folding container is folded, the boundary portion with a region 3 ″ that does not overlap each other (hereinafter, this region is simply referred to as a non-polymerized region) The strip-shaped horizontal boundary rib 3b that is substantially perpendicular to the outer surface 3a1 of the plate-like portion 3a that constitutes the raised side wall 3 (the surface that is located outside the folding container when assembled in a box shape) Is formed over substantially the entire width of the.

  In the overlapping region 3 ′ located between the horizontal boundary rib 3 b and the lower end of the flip-up side wall 3, the outer end of the horizontal boundary rib 3 b (the end located outside the folding container when assembled in a box shape) A plurality of plate-like outer wall portions 4 suspended from 3b1 and an inner end of the horizontal boundary rib 3b (an end portion located inside the folding container when assembled in a box shape) 3b2 are suspended. A plurality of plate-like inner wall portions 5 are formed. And while sandwiching the outer wall 4 disposed at the center of the horizontal boundary rib 3b, the inner wall 5 and the outer wall 4 are alternately arranged in the direction of the both side edges 3c of the flip-up side wall 3, and In the vicinity of both side ends 3 c of the flip-up side wall 3, outer wall portions 4 are arranged.

  In the present embodiment, the overlap region 3 ′ of the raised side wall 3 is provided with one outer wall portion (hereinafter referred to as a center outer wall portion, which is arranged at the center portion of the horizontal boundary rib 3b, and a reference numeral 4a. 4a and two inner side wall portions (hereinafter referred to as a center side inner wall portion and denoted by reference numeral 5a) located on both sides of the center outer wall portion 4a 5a and the center side inner wall portion From 5a, two outer wall portions (hereinafter referred to as an outer wall portion closer to the end portion, denoted by reference numeral 4b) 4b positioned on the both side ends 3c side of the raised side wall 3 and an outer wall portion closer to the end portion From 4b, two inner side wall portions (hereinafter referred to as inner side wall portions closer to the end portion, denoted by reference numeral 5b) 5b positioned on the both side ends 3c side of the raised side wall 3 and both side ends of the raised side wall 3 Two outer wall portions located at 3c (hereinafter referred to as end outer wall portions and denoted by reference numeral 4c) ) 4c and are formed. In addition, when referring to an outer wall part and an inner wall part irrespective of the arrangement position of an outer wall part and an inner wall part, while using a code | symbol 4 with respect to an outer wall part, On the other hand, reference numeral 5 is used.

  Further, the side end portions of the adjacent outer wall portions 4 and the side end portions of the inner side wall portions 5 are connected by the inclined wall portion 6, and the both end portions 3 c side of the raised side walls 3 of the end outer wall portions 4 c are connected. In addition, an inclined wall portion 7 similar to the above-described inclined wall portion 6 is formed which is inclined from the end outer wall portion 4c toward the inner tip 3b2 of the horizontal boundary rib 3b. In the following, the inclined wall portion 6 that connects the adjacent outer wall portion 4 and the inner wall portion 5 is referred to as a connected inclined wall portion, and the inclined wall portion that is located on the both side ends 3c side of the raised side wall 3. 7 is referred to as an end inclined wall portion.

  As described above, the overlapping region 3 ′ of the flip-up side wall 3 is formed in a corrugated shape by the outer wall portion 4, the inner wall portion 5, the connecting inclined wall portion 6, and the end inclined wall portion 7.

  In the overlapping region 3 ′ of the raised side wall 3, a pair of adjacent outer wall parts 4, an inner wall part 5 positioned between the pair of outer wall parts 4, the outer wall part 4 and the inner wall part 5 are provided. A concavity extending in the vertical direction is formed by the opposed connecting inclined wall portions 6 to be connected (because it is located outside the folding container when assembled in a box shape, hereinafter, simply referred to as an outer concave portion) C. In addition, an appropriate number of outer horizontal reinforcing ribs 8 for connecting the inner wall portion 5 and the connecting inclined wall portion 6 facing each other are formed at the lower end portion of the outer recessed portion C. In the present embodiment, two outer concave portions C are formed on both sides of the central outer wall portion 4a, and each between the outer wall portion 4b closer to the end portion and the outer end wall portion 4c is 1 A number of outer recesses C are formed, and a total of four outer recesses C are formed. In the following, the outer recesses C located on both sides of the center outer wall 4a are referred to as the center outer recesses, and the reference C1 is used, and between the end outer wall 4b and the end outer wall 4c. The outer recessed portion C located at the end is referred to as an outer recessed portion closer to the end, and reference numeral C2 is used. In addition, regardless of the arrangement position of the outer concave portion, when referring to the outer concave portion, the symbol C is used for the outer concave portion.

  Similarly, the overlapping region 3 ′ of the raised side wall 3 includes a pair of adjacent inner wall portions 5, an outer wall portion 4 positioned between the pair of inner wall portions 5, and the inner wall portion 5 and the outer wall portion. 4. A concave portion extending in the vertical direction by the opposed connecting inclined wall portion 6 that connects the four (hereinafter simply referred to as an inner concave portion because it is located inside the folding container when assembled in a box shape). D is formed, and an appropriate number of inner horizontal reinforcing ribs 9 are formed at the lower end portion of the inner recess D to connect the outer wall portion 4 and the connecting inclined wall portion 6 facing each other. Further, an inner concave portion D extending in the vertical direction is formed by the end outer wall portion 4c, the end inclined wall portion 7, and the connecting inclined wall portion 6 facing the end inclined wall portion 7. An appropriate number of inner horizontal reinforcing ribs that connect the end outer wall portion 4c, the end inclined wall portion 7, and the connecting inclined wall portion 6 facing the end inclined wall portion 7 to the lower end portion of the inner recess D as well. 9 is formed. In the present embodiment, one inner concave portion (hereinafter referred to as a central inner concave portion and used as a reference D1) positioned between the pair of central inner side wall portions 5a, the central inner side wall portion 5a and the end One inner concave portion (hereinafter referred to as a central inner concave portion, and symbol D2 is used) between the inner wall portion 5b and the inner wall portion 5b near the end portion and the end inclined wall. A total of five inner recesses are formed between each portion 7 and one inner recess (hereinafter referred to as an inner recess near the end, and the symbol D3 is used). In addition, regardless of the arrangement position of the inner concave portion, when referring to the inner concave portion, the symbol D is used for the inner concave portion.

  In this embodiment, the two outer horizontal reinforcing ribs 8 described above are formed substantially in parallel at two locations, the lower end of the inner wall portion 5 and a position slightly above the lower end. Also, the above-described inner horizontal reinforcing ribs 9 are also formed substantially in parallel at two locations, the lower end of the outer wall portion 4 and a position slightly above the lower end.

  As shown in detail in FIGS. 5 and 6, a rectangular fitting through hole 10 is formed in the central outer wall portion 4 a located between the pair of inner horizontal reinforcing ribs 9 described above. The inner outer wall 4a has a pair of inner horizontal reinforcing ribs 9 on both sides of the fitting through holes 10 on the inner surface (the surface located inside the folding container when assembled in a box shape). Cross-linking vertical ribs 11 for cross-linking are formed. Thus, since the fitting through hole 10 is surrounded by the pair of inner horizontal reinforcing ribs 9 and the pair of bridging vertical ribs 11, the central outer wall portion 4 a formed by drilling the fitting through holes 10. It is possible to prevent a decrease in strength and a decrease in rigidity at the lower end. Further, on the back surface of the inner horizontal reinforcing rib 9 positioned below the fitting through hole 10, a protrusion 12 having a length substantially the same as the lateral width of the fitting through hole 10 is provided along the inner horizontal reinforcing rib 9. Projected.

  Further, as shown in detail in FIGS. 5 to 7, among the outer horizontal reinforcing ribs 8 described above, the inner side wall portion 5 a near the center located below the outer horizontal reinforcing rib 8 positioned above. A pair of parallel vertical slits 13 is formed so as to reach the lower end beyond the outer horizontal reinforcing rib 8 formed at the lower end. By forming such a pair of mutually parallel vertical slits 13, elastically deformable tongue pieces 14 are respectively formed at the lower ends of the two inner wall portions 5 a near the center. Further, a protrusion 14 a extending in the direction of the outer horizontal reinforcing rib 8 is provided on the back surface of the tongue piece 14.

  As shown in FIGS. 1 and 8, the bottom portion 2 has a bottom plate 2a and a peripheral wall 2b erected substantially perpendicularly from the periphery of the bottom plate 2a. It is formed of a long side portion 2b2 facing the portion 2b1.

  When the folding container is assembled in a box shape, the central outer wall constituting the overlapping region 3 ′ of the above-mentioned flip-up side wall 3 is formed on the inner surface 2 b 1 ′ of the opposed short side 2 b 1 of the peripheral wall 2 b constituting the bottom 2. The lower end of the outer surface of the portion 4a, the outer wall portion 4b near the end portion, and the outer wall portion 4c of the end portion (the surface located outside the folding container when assembled in a box shape) is in contact with or close to the position. Will do.

  A belt-like bank portion 2c is formed along the short side portion 2b1 on the bottom plate 2a along the opposing short side portion 2b1 of the peripheral wall 2b constituting the bottom portion 2. The upper surface of the belt-like bank portion 2c is formed from the bottom plate 2a. It is comprised from the inclined surface 2c1 inclined, and the horizontal surface 2c2 extended from the upper end of the inclined surface 2c1 to the short side part 2b1 of the surrounding wall 2b.

  In addition, a fitting recess 2d is formed in the center portion of the strip-shaped bank portion 2c formed in the bottom portion 2 so that the inclined surface 2c1 side and the upper side are opened. In this fitting recess 2d, a folding container is a box. When assembled into a mold, it protrudes from the back surface of the inner horizontal reinforcing rib 9 located below the fitting through hole 10 formed in the central outer wall portion 4a constituting the overlapping region 3 'of the flip-up side wall 3. The protruding ridge 12 is configured to be inserted.

  Further, a pair of fitting recesses that are open only at the top are provided on the horizontal surface 2c2 of the band-like bank portion 2c located on both sides of the fitting recess 2d formed at the center of the band-like bank portion 2c formed on the bottom portion 2. 2e is formed. When the folding container is assembled in a box shape, the fitting recess 2e is formed on the back surface of the tongue piece 14 formed on the pair of central inner side wall portions 5a constituting the overlapping region 3 'of the flip-up side wall 3. The protruding protrusion 14a is configured to be fitted.

  Furthermore, the short side portion 2b1 located above the fitting concave portion 2d formed at the center portion of the short side portion 2b1 of the peripheral wall 2b constituting the bottom portion 2 in other words, that is, at the center portion of the belt-like bank portion 2c. In the middle, a fitting protrusion 2f that is substantially perpendicular to the inner surface 2b1 ′ of the short side 2b1 is provided. When the folding container is assembled in a box shape, the fitting protrusion 2f is inserted into the fitting through hole 10 formed in the lower end portion of the central outer wall portion 4a that forms the overlapping region 3 ′ of the flip-up side wall 3. It is comprised so that it may fit.

  When the folding container is assembled in a box shape, the above-described flip-up side wall 3 has a central outer wall portion 4a, an end portion-side outer wall portion 4b, and an end portion outer wall portion 4c that constitute the overlapping region 3 'of the flip-up side wall 3. An appropriate hinge member is attached to the short side portion 1b of the upper frame 1 so that the lower end portion of the upper frame 1 is positioned in contact with or close to the inner surface 2b1 ′ of the opposing short side portion 2b1 of the peripheral wall 2b constituting the bottom portion 2. It is hinged.

  As described above, a pair of mutually parallel vertical slits 13 that form elastically deformable tongue pieces 14 are formed on the inner side wall portion 5a near the center that constitutes the overlapping region 3 'of the raised side wall 3. However, the vertical slit 13 is configured not to extend beyond the upper end of the opposed short side portion 2b1 of the peripheral wall 2b constituting the bottom portion 2 in a state where the folding container is assembled in a box shape. By configuring in this way, when the folding container is assembled in a box shape, the vertical slit 13 formed at the lower end of the inner wall portion 5a near the center is the short side portion 2b1 of the peripheral wall 2b that constitutes the bottom portion 2. Therefore, it is possible to prevent dust and the like from entering the folding container assembled in a box shape from the vertical slit 13. In FIG. 8, a recess 2g formed adjacent to the fitting recess 2e is formed on the horizontal plane 2c2 in order to reduce contact friction between the lower end of the raised side wall 3 and the horizontal plane 2c2 of the strip bank 2c. An appropriate number is formed, and can be omitted as necessary.

  Next, the overlapping region 3 ′ of the pair of raised side walls 3 in the folded state of the folding container having the above-described configuration will be described with reference to FIGS. 4 and 10.

  As described above, when the folding container is folded, the overlapping regions 3 ′ of the pair of substantially horizontal side walls 3 overlap each other, but in the state where the overlapping regions 3 ′ overlap each other, The outer wall portion 4 constituting the superposed region 3 'of the raised side wall 3 and the outer wall portions 4 constituting the superposed region 3' of the raised side wall 3 which are located on the upper side and the upper side wall 3 are overlapped close to each other in the vertical direction, Further, the inner wall portion 5 constituting the overlapping region 3 ′ of the raised side wall 3 positioned below and the inner wall portions 5 constituting the overlapping region 3 ′ of the raised side wall 3 positioned close to each other in the vertical direction. Furthermore, the connecting inclined wall portion 6 constituting the overlapping region 3 ′ of the raised side wall 3 positioned below and the connecting inclined wall portion 6 constituting the overlapping region 3 ′ of the rising side wall 3 positioned above and below are vertically In each direction Furthermore, the end inclined wall portion 7 constituting the overlapping region 3 ′ of the flip-up side wall 3 positioned below and the end inclined wall forming the overlapping region 3 ′ of the flip-up side wall 3 positioned above are overlapped with each other. The parts 7 are configured to overlap each other in the vertical direction.

  As described above, in the state in which the folding container is folded, the superposition of the flip-up side wall 3 formed in a corrugated shape by the outer wall part 4, the inner wall part 5, the connecting inclined wall part 6, and the end inclined wall part 7. When the regions 3 ′ are overlapped in a substantially horizontal state, the outer wall 4 of the folding container positioned above and the outer wall 4 of the folding container positioned lower approach each other in the vertical direction. The inner wall part 5 of the folding container located above and the inner wall part 5 of the folding container located below overlap each other in the vertical direction, and the connecting inclination of the folding container located above is overlapped. The wall portion 6 and the connecting inclined wall portions 6 of the folding container positioned below overlap each other in the vertical direction, and further, the end portion of the folding container positioned above Since the inclined wall portion 7 and the end inclined wall portions 7 of the folding container located below are configured to overlap each other in the vertical direction, the thickness of the overlapping region 3 ′ of the paired superposed side walls 3 is increased. Since the thickness of the overlapping region 3 'of the single raised side wall 3 can be substantially the same, when the folding container is folded, the height of the upper frame 1 in which the pair of raised side walls 3 are stored is reduced. Therefore, the overall height of the folded folding container can be reduced, and as a result, the storage space of the folded folding container can be reduced.

  Further, as described above, the overlapping region 3 ′ of the splashing side wall 3 is formed in a corrugated shape by the side wall portion 4, the inner side wall portion 5, the connecting inclined wall portion 6, and the end inclined wall portion 7. The strength and rigidity of the polymerization region 3 ′ are improved.

  Further, as shown in FIG. 3, in order to assemble the folded container in a box shape as shown in FIG. 1, as shown in FIG. 1, the upper divided side wall 4 ′ and the lower divided side wall 4 ″ that are overlapped in a substantially horizontal state are erected substantially vertically so that they are substantially flush with each other. The flip-up side wall 3 connected to the hinge is rotated in the vertical direction from the substantially horizontal state. In the final step of the rotation operation of the flip-up side wall 3 in the vertical direction, the overlapping region 3 ′ of the flip-up side wall 3. Below the protrusion 14a projecting on the back surface of the tongue piece 14 formed at the lower end of the pair of inner wall portions 5a near the center and the fitting through hole 10 drilled in the central outer wall 4a. Back side of the inner horizontal reinforcing rib 9 In the state where the projecting ridge 12 is in contact with the inclined surface 2c1 of the band-shaped bank portion 2c formed on the bottom 2 and moves on the inclined surface 2c1, the folding container is assembled in a box shape. A ridge 12 projecting from the back surface of the inner horizontal reinforcing rib 9 positioned below the fitting through hole 10 is fitted into a fitting recess 2d formed at the center of the belt-like bank portion 2c of the bottom portion 2. Further, the protrusion 14a protruding from the back surface of the tongue piece 14 is fitted into the fitting recess 2e formed in the belt-like bank portion 2c of the bottom portion 2, and further, the overlapping region of the flip-up side wall 3 In the fitting through hole 10 formed in the lower end portion of the central outer wall portion 4a constituting 3 ', the fitting protrusion 2f protruding from the opposing short side portion 2b1 of the peripheral wall 2b constituting the bottom portion 2 is provided. Are configured to be fitted.

  As described above, when the folding container is assembled in a box shape, the inner side located below the fitting through hole 10 formed in the central outer wall portion 4a constituting the overlapping region 3 ′ of the flip-up side wall 3 The ridge 12 projecting from the back surface of the horizontal reinforcing rib 9 is configured to be fitted into a fitting recess 2d formed at the center of the belt-like bank portion 2c of the bottom portion 2, and the fitting described above. The fitting through hole 10 is configured such that the fitting protrusion 2f protruding from the short side 2b1 of the peripheral wall 2b constituting the bottom 2 is fitted, so that the flip-up side wall 3 is the upper divided side wall. 4 'and the lower divided side wall 4 "can be prevented from swinging. Therefore, the folding container assembled in a box shape can be prevented from being deformed, and the side walls 3 and the short sides of the upper frame 1 can be prevented. A hinge connecting the part 1a to the hinge. It is possible to prevent damage to the di member.

  Further, as described above, in a state where the folding container is assembled in a box shape, the elastically deformable tongue piece formed at the lower end portion of the central inner side wall portion 5a constituting the overlapping region 3 ′ of the flip-up side wall 3 Since the protrusion 14a projecting on the back surface of 14 is fitted in the fitting recess 2e formed in the band-like bank portion 2c of the bottom 2, the splashing side wall 3 is connected to the splashing side wall 3 of the folding container. Even if an external force is applied to rotate inward, the protrusion 14a comes into contact with the side wall 2e1 located on the inclined surface 2c1 side of the band-like bank portion 2c that forms the fitting recess 2e. Even if some external force is applied to the splashing side wall 3, the splashing side wall 3 is not easily rotated inward of the folding container.

  Further, since the tongue piece 14 formed at the lower end portion of the central inner side wall portion 5a constituting the overlapping region 3 ′ of the splashing side wall 3 is configured to be elastically deformable, the tongue piece 14 is formed on the peripheral wall of the bottom portion 2. A ridge projecting on the back surface of the tongue piece 14 that moves smoothly and without requiring a large force on the inclined surface 2c1 of the belt-like bank portion 2c formed along the short side portion 2b1 constituting the 2b. 14a can be fitted into the fitting recess 2e formed in the belt-like bank portion 2c of the bottom portion 2, so that the workability of the folding container assembling work is improved.

  Furthermore, a fitting protrusion corresponding to the above-described fitting protrusion 2f, which protrudes from the lower end of the flip-up side wall 3, is fitted to the peripheral wall 2b of the bottom 2 like a conventional folding container. Since there are no through holes, the strength and rigidity of the bottom part 2 are improved, and as a result, the strength and rigidity of the folding container are improved, and dust and the like enter the folding container assembled in a box shape. This can prevent anything.

FIG. 1 is a perspective view of the folding container of the present invention in a state of being assembled into a box shape. FIG. 2 is a perspective view of a flip-up side wall constituting the folding container of the present invention as seen from the outer surface side. FIG. 3 is a perspective view of a flip-up side wall constituting the folding container of the present invention as seen from the inner surface side. FIG. 4 is a perspective view including a partial vertical section of the folding container of the present invention in a folded state. FIG. 5 is a partially enlarged perspective view of a flip-up side wall constituting the folding container of the present invention as seen from the outer surface side. FIG. 6 is a partially enlarged perspective view of a flip-up side wall constituting the folding container of the present invention as viewed from the inner surface side. FIG. 7 is a further partially enlarged perspective view of the flip-up side wall shown in FIG. FIG. 8 is a partially enlarged perspective view of the bottom portion constituting the folding container of the present invention. FIG. 9 is a partially enlarged perspective view including a partial vertical section of the folding container of the present invention in a state of being assembled in a box shape. FIG. 10 is a partially enlarged perspective view including a partially vertical section of the folding container of the present invention in a folded state.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ......... Upper frame 2 ......... Bottom part 3 ......... Splash-up side wall 3 '... Polymerization area 3 "...・ ・ Non-polymerized region 4 '・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Upper divided side wall 4 ”・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Lower divided side wall 4 ・ ・ ・ ・ ・ ・ ・ ・ Outer wall 5 ・ ・ ・ ・ ・ ・ ・ ・Inner side wall 6, 7, ... Inclined wall 8 ... Outer horizontal reinforcing rib 9 ... Inner horizontal reinforcing rib 10, ... Fit Through-hole 12 ・ ・ ・ ・ ・ ・ ・ Protrusion 14 ・ ・ ・ ・ ・ ・ ・ Tangular piece

Claims (1)

  In the folding container comprising the upper frame, the bottom part, the upper side wall, the upper parting side wall and the lower parting side wall, when the box is assembled at the lower end of the side wall, it extends upward beyond the peripheral wall of the bottom part. By providing a pair of vertical slits that are not formed, an elastically deformable tongue piece having a protrusion protruding from the back surface is formed, and a protrusion projecting from the back surface of the tongue piece is formed on the belt-like bank portion of the bottom portion. A folding container characterized in that a fitting recess portion into which a strip can be fitted is formed.

Images