JP3059188U - Cushioning material - Google Patents

Abstract

(57) [Problem] To provide a cushioning material which has a sufficient cushioning effect and can play a sufficient role as a cushioning material even for heavy objects. A cushion material body 2 made of corrugated ball paper.
And a cushion mass 3 having an air chamber separate from the cushion material main body. The cushion material main body 2 is provided with a plurality of upper fitting portions 11 and lower fitting portions 12, and the cushion material body 2 is bent. Thereby, the cushion mass 3 is fitted between the upper fitting portion 11 and the lower fitting portion 12, and the bulging portion 14 of the cushion mass 3 is projected from both front and back surfaces of the cushion material 1.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a cushioning material used as a cushioning material when electronic devices, machine tools, glass products, pottery, and the like are packed and transported.

[0002]

[Prior art]

 When packing and transporting goods such as electronic equipment, machinery, glassware, and ceramics, make sure that the packing box and the packaged object are not damaged so that the packaged item is not damaged by vibration, impact, etc. applied during transportation. The cushioning material is interposed between the packages or between the objects to be packed.

Conventionally, as a cushion material, foamed styrene, a buffer sheet having a large number of hemispherical air chambers between two resin sheets, a foamed resin chip, paper waste, wood waste, and the like have been used. It is discarded after one use. In other words, when unpacking and removing the items to be packed from the packing box, the cushion body is no longer needed and is discarded as garbage.

[0004] However, if foamed styrene, foamed resin chips, and resin sheets as cushion materials that become garbage are incinerated, harmful gas is generated in the human body at the time of combustion, causing a pollution problem. Incineration of paper waste and wood waste does not generate harmful gas even if incinerated, but the cost is also large and there is a problem of waste disposal by discarding as garbage. A social problem of messenger arises. Accordingly, the present applicant has filed a cushioning material that solves the above-described problem as Japanese Utility Model Application No. 5-9994. This is because a large number of cushion pieces each composed of a flexible narrow strip and a flexible corrugated piece joined to at least one surface of the narrow strip along its longitudinal direction are contained in the outer casing. It was done.

[0005]

[Problem to be Solved by the Invention] However, in Japanese Utility Model Application No. 5-9994, the cushion piece contained in the outer casing is a band-like body. If the package is heavy, there is an inconvenience that the buffering effect is not sufficient and a large amount must be used to obtain a sufficient buffering effect. Also, if a large amount of cushion pieces are used, a large packing box is required as compared to the material to be packed, and there is also a problem in that the package becomes large.

The present invention has been made in view of the above-mentioned circumstances, and the purpose is to provide a large buffering effect, to be able to securely support a packaged object without displacement, and to be simple and inexpensive to manufacture. It is to provide a simple cushioning material.

[0007]

[Means for Solving the Problems]

 In order to achieve the above object, the present invention provides a cushioning material comprising a cushioning material body made of corrugated ball paper and a cushion lump separate from the cushioning material body. Things. The cushion material main body is provided with a plurality of parallel horizontal ruled lines extending in the horizontal direction at intervals on a substantially square corrugated ball paper, and is provided with corrugated corrugated paper from both lateral ends of the corrugated ball paper. -Two parallel vertical ruled lines extending in the vertical direction are provided at approximately 1/4 of the horizontal width of the roll paper, and the horizontal ruled line and the vertical ruled line are defined in the center of the corrugated paper in the horizontal direction. A plurality of central partitions are provided, and a left partition and a right partition defined by the horizontal ruled line and the vertical ruled line are provided at both left and right ends of the corrugated ball paper in the horizontal direction with the central partition interposed therebetween.

[0008] Furthermore, a locking piece that can be cut and raised along a fold line is provided on at least a part of the edge of the left-side partition and the right-side partition, and the engaging member is provided at a lateral center of the central partition. An engaging portion engageable with a stopper is provided, and a circular fitting hole, a notch extending radially from the fitting hole, and a fold line connecting the tips of the notches are formed in the left and right partition portions. And a plurality of upper fitting portions having a plurality of bent pieces that can be cut and raised at the fold line.

[0009] Furthermore, a lower fitting portion similar to the upper fitting portion is provided on both sides in the left-right direction of the center partition portion and at positions corresponding to the upper fitting portion with the vertical ruled line interposed therebetween, By bending the corrugated ball along the vertical ruled line, the upper fitting portion and the lower fitting portion are vertically overlapped.

[0010] The cushion mass has a bulge on the front side and a concave portion having a shape substantially corresponding to the bulge on the back side. In this configuration, the protrusions are overlapped so that the protrusions face outward, and at least the peripheral portions of the two cushion pieces are joined to form a flange portion, and an air chamber is formed between the two cushion pieces.

Then, one cushion piece of the cushion mass is fitted into a lower fitting portion provided in a central section of the cushion material body, and the cushion material body is trough-folded along a vertical ruled line. A cushion material characterized in that the other cushion piece of the cushion mass is fitted into the upper fitting portion provided in the left partition portion and the right partition portion, and the locking piece is engaged with the engaging portion. is there.

According to a second aspect of the present invention, the number of radially extending cut portions of the upper fitting portion and the lower fitting portion provided in the left and right partition portions and the central partition portion of the cushion material main body of the first aspect is four or more, respectively. There is a feature.

According to a third aspect, the diameter of the fitting hole of the upper fitting portion and the lower fitting portion is smaller than the outer diameter of the bulge portion of the cushion mass, and the tip of the cut portion. The length of the fold line connecting the two is larger than the outer circumference of the bulging portion of the cushion mass, and is smaller than the length of the outer circumference of the flange portion of the cushion mass.

According to the above configuration, the cushion mass having the air chamber is fitted between the upper fitting portion and the lower fitting portion at a plurality of positions of the cushion material main body, so that the cushion mass protrudes and bends. Since the piece protrudes outward, the protruding portion can support the object to be packed, and can cushion vibration, impact, and the like applied during transportation by the air chamber of the cushion mass.

[0015]

[Embodiment of the invention]

 An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows a cushion material 1. This cushion material 1 is subjected to vibrations, impacts, and the like during transportation when packing and transporting articles such as electronic devices, mechanical instruments, glass products, and pottery. It is interposed as a cushioning material between the packing box and the packaged item or between the packaged items so that the packaged item is not damaged.

The cushioning material 1 is composed of a cushioning material main body 2 made of corrugated paper and a cushion lump 3 separate from the cushioning material main body 2. First, the cushion material main body 2 will be described with reference to a developed view shown in FIG. 2. A plurality of substantially rectangular cushion material bodies 2 extending in the lateral direction at intervals are provided, and in the present embodiment, three parallel cushion bodies are provided. A horizontal ruled line 4 is provided. In addition, two parallel vertical ruled lines 5 extending in the vertical direction are provided at approximately one-fourth of the horizontal width of the cushion material main body 2 from both lateral ends of the cushion material main body 2.

A plurality of central partitioning sections 6 partitioned by the horizontal ruled lines 4 and the vertical ruled lines 5 are provided in the center of the cushion material main body 2 in the horizontal direction. Further, a plurality of left-side partition portions 7 and right-side partition portions 8 partitioned by horizontal ruled lines 4 and vertical ruled lines 5 are provided at left and right end portions of the cushion material main body 2 with the central partition portion 6 interposed therebetween. .

A trapezoidal locking piece 9 that can be cut and raised along a fold line 9 a and a cut line 9 b is provided at an edge of the left partition 7 and the right partition 8 located on the end side of the cushion material main body 2. It is provided symmetrically. Further, an engaging portion 10 which can be engaged with the locking piece 9 is provided at a central portion of the central partitioning portion 6 in the lateral direction. The engagement portion 10 includes a pair of engagement pieces 10c having the same shape as the engagement piece 9 formed by the fold line 10a and the cut line 10b, and can be cut and raised in the middle opening direction from the cut line 10d. Is formed.

Each of the left partition 7 and the right partition 8 is provided with a plurality of upper fitting portions 11. These upper fitting portions 11 include a circular fitting hole 11a, four cut portions 11c extending radially from the fitting hole 11a at equal intervals, and a fold line 11b connecting the tips of the cut portions 11c to each other. It has four bent pieces 11d that can be cut and raised from the fold line 11b in the middle opening direction, and the leading end of each bent piece 11d is formed in a concave arc shape.

Further, the lower fitting portion 12 having the same shape as the upper fitting portion 11 is located on both sides in the left-right direction of the center partition portion 6 and at positions corresponding to the upper fitting portion 11 with the vertical ruled line 5 interposed therebetween. Is provided. That is, the lower fitting portion 12 is formed by a circular fitting hole 12a, for example, four notches 12c radially extending from the fitting hole 12a at equal intervals, and a fold line connecting the tips of the notches 12c. 12b, and has four bent pieces 12d which can be cut and raised in the direction of the middle opening from the fold line 11b, and the tip of each bent piece 12d is formed in a concave arc shape. Then, by folding the cushion material body 2 along the vertical ruled line 5, the upper fitting portion 11 and the lower fitting portion 12 are vertically overlapped.

Next, the cushion lump 3 will be described with reference to FIGS. 3 and 4. The cushion lump 3 is composed of two cushion pieces 13 made of paper. The cushion pieces 13 have bulging portions 14 bulging in a substantially hemispherical shape on the front surface side, and concave portions 15 having a shape corresponding to the bulging portions 14 are formed on the back surface side. A flange 16 is formed on the periphery. The two cushion pieces 13 are overlapped with each other such that the bulging portion 14 faces outward, and the flange portions 16 of the two cushion pieces 13 are joined together by an adhesive or the like. Therefore, the air chamber 17 is formed by the concave portions 15 of the two cushion pieces 13.

Although the material of the paper of the cushion piece 13 is not particularly limited, a material having a certain degree of flexibility and toughness is preferable, and for example, kraft paper may be used. In order to form the cushion piece 13, for example, a male mold having a convex portion having a predetermined bulging portion 14 and a female mold having a concave portion having a shape corresponding to the convex portion are used. It can be easily manufactured by placing a sheet of paper made of kraft paper containing a small amount of water and pressing the male mold into the female mold via the craft paper while heating. Instead of using sheet-like paper pre-moistened, it can also be produced by spraying and hot-pressing steam.

The diameters of the fitting holes 11 a and 12 a of the upper fitting portion 11 and the lower fitting portion 12 are smaller than the outer diameter of the bulging portion 14 of the cushion piece 13. The lengths of the fold lines 11b and 12b connecting the front ends of the cuts 11c and 12c are longer than the outer circumference of the bulging portion 14 of the cushion piece 13 and longer than the outer circumference of the flange 16 of the cushion piece 13. It is formed small.

Next, a method of assembling the cushion material 1 with the cushion material body 2 and the cushion lump 3 will be described. The cushion lump is inserted into each lower fitting portion 12 provided in the central section 6 of the cushion material body 2. 3 is fitted with one cushion piece 13. Next, the cushion material main body 2 is valley-folded along the vertical ruled line 5 and the other cushion piece 13 of the cushion mass 3 is fitted into the upper fitting portions 11 provided in the left and right compartments 7 and 8.

In this case, since the bent pieces 11 d and 12 d constituting the upper fitting portion 11 and the lower fitting portion 12 can be bent from the fold lines 11 b and 12 b, the bulging portion 14 of the cushion piece 13 is pushed in. It can be easily inserted. Therefore, as shown in FIGS. 5 and 6, the flange 16 is hung on the peripheral edges of the upper fitting portion 11 and the lower fitting portion 12, and the central partitioning portion 6 and the left and right partitioning portions 7, 8 are connected to each other. Sandwiched between. Further, since the bent pieces 11d and 12d are formed in a concave arc shape at the tip, the tips of the bent pieces 11d and 12d have substantially the same height as the zenith part 14a of the bulging part 14 of the cushion piece 13, and A part of the zenith part 14a of the protruding part 14 is exposed from the fitting holes 11a and 12a.

Finally, the locking pieces 9 of the left and right partitions 7 and 8 are pushed into the engagement portions 10 of the central partition 6 to be locked, so that the left and right partitions 7 and 8 are in contact with each other. The central partition 6 is joined and integrated.

In the above embodiment, the case where the cushion material main body 2 is bent along the vertical ruled lines 5 has been described. However, since the cushion material main body 2 is provided with a plurality of horizontal ruled lines 4, The cushion material main body 2 can be bent at right angles along the horizontal ruled line 4 to be used for cushioning a corner portion. Further, by folding the cushion material main body 2 along two or more horizontal ruled lines 4, it is possible to pack the object to be packed in a wrapped state.

[0028]

[Effect of the invention]

 As described above, according to the present invention, the cushioning property of the cushioning material body composed of the corrugated ball overlaps with the cushioning property of the cushion mass, so that the cushioning material has excellent cushioning properties as a whole, and can be applied to heavy objects. It can sufficiently serve as a cushioning material. In addition, since the bulges and bent pieces of the cushion mass protrude on both the front and back surfaces of the cushion material main body, the protruding portions can support the object to be packed, and there is no risk of damage due to misalignment of the object to be packed. Also, since the protruding portion is formed by a bent piece of corrugated ball paper and a bulging portion of a cushion lump, the cushioning effect is also high. Further, since the cushioning material main body can be manufactured in one process such as punching of corrugated ball paper, the manufacturing cost is low. When not in use, it is a flat plate, so stacking is possible and storage space is small, assembly and disassembly can be easily performed on site, and multiple uses can be made. In addition, since it is entirely made of paper, it can be provided at a low cost, and if it is not needed, it is sufficient to incinerate it, and there is no danger of causing a pollution problem even if it is incinerated.

[Brief description of the drawings]

FIG. 1 is a perspective view of a cushion material showing an embodiment of the present invention.

FIG. 2 is an expanded view of the cushion material main body of the embodiment.

FIG. 3 is a cross-sectional side view of the cushion mass of the embodiment.

FIGS. 4A and 4B show a cushion piece of the embodiment, wherein FIG. 4A is a perspective view and FIG.

FIG. 5 is an enlarged plan view showing the same embodiment, and enlarging a portion A in FIG. 1;

FIG. 6 is a sectional view of the same embodiment, taken along line BB of FIG. 5;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cushion material 2 Cushion material main body 3 Cushion mass 4 Horizontal ruled line 5 Vertical ruled line 6 Central partition 7 Left partition 8 Right partition 9 Locking piece 10 Engaging part 11 Upper fitting part 12 Lower fitting part 13 Cushion piece 14 Swelling Protruding part 15 Recessed part 16 Flange part 17 Air chamber

Claims (3)

[Utility model registration claims] 1. A cushion material main body made of corrugated ball paper, and a cushion lump separate from the cushion material main body, wherein the cushion material main body has an interval in a substantially square corrugated ball paper. And a plurality of parallel horizontal ruled lines extending in the horizontal direction are provided, and the parallel ruled lines extending in the vertical direction from both lateral ends of the corrugated ball paper to a position approximately one-fourth of the horizontal width of the corrugated ball paper. A plurality of central sections are provided in the center of the corrugated ball paper in the horizontal direction by providing two vertical ruled lines, and a plurality of central sections are defined by the horizontal ruled lines and the vertical ruled lines. A left partition and a right partition defined by the horizontal ruled line and the vertical ruled line are provided on both left and right sides in the horizontal direction of the paper, and at least a part of the edge of the left partition and the right partition is marked with a fold line. A locking piece that can be cut and raised is provided, and the locking piece is engaged with the locking piece at a laterally central portion of the central section. An engaging portion which can be fitted with the rim, a circular fitting hole, a notch extending radially from the fitting hole, a fold line connecting the tips of the notches, and a fold line in the left partition and the right partition. A plurality of upper fitting portions having a plurality of bent pieces that can be cut and raised in the left and right sides of the central partitioning portion, each corresponding to the upper fitting portion with the vertical ruled line interposed therebetween; A lower fitting portion similar to the upper fitting portion is provided at a position where the upper fitting portion and the lower fitting portion are vertically folded by bending the corrugated ball paper along the vertical ruled line. The cushion mass has a bulging portion on the front surface side, and two cushion pieces made of paper having a concave portion having a shape substantially corresponding to the bulging portion on the back surface. Overlap so that the protruding part faces outward, and at least these two cushion pieces A peripheral portion is joined to form a flange portion, and an air chamber is formed between the two cushion pieces. The cushion mass is inserted into a lower fitting portion provided in a central partition portion of the cushion material main body. One cushion piece is fitted, the cushion material body is valley-folded along a vertical ruled line, and the other cushion piece of the cushion lump is fitted into an upper fitting portion provided in the left section and the right section, A cushion material, wherein the engaging piece is engaged with an engaging portion. 2. A radially extending cut portion of each of the upper fitting portion and the lower fitting portion provided in the left and right partition portions and the central partition portion of the cushion material main body is four or more. Item 4. The cushion material according to Item 1. 3. The fitting hole of the upper fitting portion and the lower fitting portion has a diameter smaller than an outer diameter of a bulging portion of the cushion mass, and a length of a fold line connecting leading ends of the cut portions. Is
2. The cushion material according to claim 1, wherein the length is larger than the outer peripheral line of the bulging portion of the cushion mass and smaller than the length of the outer peripheral line of the flange portion of the cushion mass.