JPH0684182B2 - Foldable cushioning material made of corrugated board - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is constructed so that the end of a flat rectangular parallelepiped article to be packed can be supported in a buffered state, such as a blow-out unit of a ceiling-mounted air conditioner. The present invention relates to a corrugated cardboard foldable cushioning material that can be folded up and folded into a desired three-dimensional shape, and that plays a role of replacing the conventional polystyrene foam packing.

[0002]

2. Description of the Related Art When packing various industrial products such as home electric appliances in a corrugated cardboard box, it is widely practiced to place a styrofoam packing as a cushion between the inner surface of the box and the product. Came. Also, as another buffer, a thick corrugated cardboard piece is attached to a block body having a required three-dimensional shape.

[0003]

However, since Styrofoam is made from petroleum, which is a finite natural resource, as a raw material, it should be avoided as much as possible as a packaging material that is discarded as it is if it serves one transportation purpose. Is desirable.
Also, from the viewpoint of measures to dispose of municipal waste, which is becoming more and more serious, Styrofoam is bulky, transportation costs are high, it is not suitable for landfilling, and if burned, it will generate considerable temperature and damage the incinerator. Therefore, the emergence of some alternatives to this is desired. On the other hand, a piece made by sticking corrugated cardboard pieces is preferable because it is made from reproducible wood, recycled paper is easy to recycle, and disposal problems are far less than those of Styrofoam. It requires a lot of labor, is disadvantageous in cost, and has insufficient buffer function. Therefore, an object of the present invention is to efficiently and inexpensively make a corrugated cardboard by a method of folding the cardboard, and the cushioning function is superior to that of a conventional laminated block of corrugated cardboard. Providing a folding cushion made of.

[0004]

A corrugated cardboard folding cushioning material according to the present invention for achieving the above-mentioned object is a main body member 100 in which a plurality of folds or cuts are provided in a rectangular corrugated board, and an auxiliary member. 200, each of which is bent along the fold line to form a buffer body 101 and a spacer 201, and these two are combined to form a hollow columnar buffer body having a substantially concave cross section. The end of the article to be packed is inserted into the concave groove S to support the article in a cushioned manner, and the main body member 100 has a pair of opposing side portions. Each of the three parallel folds A, B, C and D, E for forming a pair of hollow prismatic bodies 1 and 2 that are bent in a U shape and face each other with a gap of a predetermined width therebetween. The Fs are provided at predetermined intervals and the bent shape is fixed. In order to form the concave support piece 3 in the cut-and-raised shape, the cut-and-raised cut 4 and the standing-up cut 4 are provided by straddling the parallel folds C and D adjacent to the central portion of the main body member 100. The fold line G is provided at each of a plurality of places spaced at appropriate intervals, and the notches 6 and 7 for fitting are provided at the places where the upright supporting piece 3 and the hollow prismatic bodies 1 and 2 interfere with each other. In the auxiliary member 200, a spacer 201 having a substantially U-shaped cross section is formed in the central portion so as to be fitted into the concave groove S formed between the pair of hollow prismatic bodies 1 and 2. Two parallel folds H and I are provided, and a fitting notch 21 is provided at a position that interferes with the upright supporting piece 3 during the fitting. The body member 100 may be provided with hexagonal bending notches 8 and 9 for bending the concave groove S inward at a right angle in the state of being folded into the hollow column. .

[0005]

In order to fold up the folding cushioning material, which is a combination of the main body member 100 made of rectangular corrugated board and the auxiliary member 200, into a desired cushioning body shape, first, a set of opposing side portions of the main body member 100 is folded. Each of the three parallel folds A, B, C and D, E, F provided in
A pair of hollow prismatic bodies 1 and 2 facing each other with a gap of a predetermined width.
The buffer body 101 having the above is formed. At this time, the support piece 3 that has been informed of the bending movement stands up interlockingly,
It plays a role in fixing this bent state. Where the upright support piece 3 and the hollow prismatic bodies 1 and 2 interfere with each other,
Since the fitting notches 6 and 7 are provided respectively, the above bending can be performed without any trouble. Next, the auxiliary member 200 is bent along the two parallel folds H and I to form a spacer 201 having a substantially U-shaped cross section, and the spacer 201 is formed between the pair of hollow prismatic bodies 1 and 2. The shape of the buffer body 101 can be more securely fixed by fitting it into the void, and a hollow columnar buffer body having a concave cross section can be easily and quickly completed. If this cushioning member is to be arranged at the four corners of the cardboard box, if hexagonal notches 8 and 9 for bending are provided on the main body member 100, this portion can be bent at a right angle. . The folded up cushioning bodies are the hollow prismatic bodies 1 and 2
If the recessed groove S formed by the spacer 201 and the spacer 201 is fitted into the end of the flat rectangular parallelepiped article to be packed, a cushioning function comparable to that of the conventional Styrofoam packing is exerted.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. As shown in FIGS. 1 and 2, the corrugated cardboard-type cushioning material is composed of a main body member 100 made of a rectangular corrugated cardboard and an auxiliary member 200, respectively. The main body member 100 has three parallel folds A, B, and three folds on one side (upper side in this figure) and the opposite side, respectively.
C, D, E, and F are sequentially provided at predetermined intervals, and each of these three parallel folds A to C and D to F is bent in a U-shape in a direction opposite to each other as shown in FIG. By doing so, a pair of hollow prismatic bodies 1 and 2 facing each other at a predetermined interval are formed. The hollow prismatic bodies 1 and 2 are
In order to correspond to the outer shape of the article to be packed, in this case, the width dimension and the height dimension are made different from each other so that a step is formed between the hollow prismatic bodies 1 and 2. However, this step is not always necessary.

In order to form a plurality of substantially concave support pieces 3 in this case, which are fixed in the bent state, in this case, four support pieces 3 in a cut-and-raised shape at appropriate intervals, A cut-and-raise cut 4 and a standing fold G for cutting and forming each support piece 3 are straddled between two parallel folds C and D located adjacent to the central portion of the main body member 100, and a predetermined interval is provided. Are separated from each other. In this embodiment, two support pieces 3 and 3 facing each other are formed upright at two locations spaced by a predetermined distance. The cut-and-raising cut 4 is formed in a flat U-shape, and the central portion of the horizontal drawing of the U-shape is recessed so that the support piece 3 is formed in a concave shape. At both corners of this recessed portion, there are notches 4a for engagement,
4a is provided. The upright folds G are orthogonal folds that connect adjacent parallel folds C and D in an orthogonal manner, and oblique folds that extend from the respective ends of the folds toward the U-shaped leg ends of the respective cut-and-raise cuts 4 that face each other. It is formed into a ship bottom shape with g and g. For this reason, trapezoidal cutting and raising auxiliary pieces 5 are continuously provided on both sides of each supporting piece 3 via parallel folds C or D, respectively. A break is provided on the back surface side of each oblique fold g so that the support piece 3 can be easily raised.

On both sides of the pair of main body members 100 facing each other, both hollow prismatic bodies 1 and 2 are formed in a bent shape, and when supporting pieces 3 are formed upright at four locations, they are located at locations where they interfere with these. ,
Notches 6 and 7 for fitting are provided respectively. Further, in this embodiment, the main body member 10 is formed in order to bend the hollow columnar buffer at a right angle so as to be aligned with the corner of the packaging cardboard box.
At the center of 0, a fold line H is provided so as to straddle between adjacent parallel fold lines C and D. Further, in order to enable the folding of the fold line H, hexagonal folding notches 8 and 9 are provided between each end of the fold line H and the edge of the main body member 100.
Is provided. Also, the parallel folds A and B of the main body member 100
The finger-holding holes 10 are provided at two positions between the space and between E and F, respectively, to facilitate the operation of folding up the buffer body or flattening it. In this embodiment, two parallel cuts 11 and 12 straddling the parallel fold B and the parallel cut 1
By providing a fold line K connecting between one end of each of 1 and 12, there is provided a dent forming piece 13 for producing a dent a in a part of the upper surface of the buffer body folded up as shown in FIG. There is.

On the other hand, as the auxiliary member 200 made of one rectangular corrugated board, two auxiliary members 200 having a length half that of the main body member 100 are prepared. Each auxiliary member 200 is provided with two parallel folds L and M over the entire length in the longitudinal direction,
The spacer 201 having a U-shaped cross section shown in FIG. 5 is formed by bending. This spacer 201
Is a state in which the main body member 100 is folded up on the buffer body 101, and is fitted into the space formed between the hollow prismatic bodies 1 and 2 to form the concave groove S, and the folded shape It plays a role of fixing. Therefore, the interval between the parallel folds L and M is made substantially equal to the groove width of the concave groove S. Then, on both edges of the auxiliary member 200 in the width direction, fitting notches 21 are provided at positions where they interfere with the respective support pieces 3 when the spacer 201 is fitted into the concave groove S. In addition, on one end side in the longitudinal direction of the auxiliary member 200, an arrow blade-shaped notch 22 is formed at a portion overlapping the notches 8 and 9 for bending.
Is provided.

Next, the operation of the above embodiment will be described with reference to an air blowout panel of a ceiling mount type air conditioner as an example of an article to be packed.
Taking the case of packing using a cardboard box as an example,
Please refer to 7 for explanation. In order to fold up the folding cushioning material in which the main body member 100 and the auxiliary member 200 each made of rectangular corrugated board are folded into a cushioning body having a desired shape, first,
As shown in FIG. 3, the parallel folds C and D located adjacent to the central portion of the main body member 100 are once bent to the back side of the corrugated board, and creases are formed so that the support pieces 3 can easily stand upright. Then, as shown in FIGS. 4 and 5, each of the three parallel folds A to C and D to F provided on the pair of opposite sides is formed in a U shape in a direction facing the front side of the corrugated board. A pair of hollow prismatic bodies 1 and 2 which are bent and face each other with a predetermined space therebetween.
To form. At this time, both ends of each of the uprighting assisting pieces 5 are pressed between the opposite side parts to be bent, so that the respective supporting pieces 3 are naturally standing upright, and the above-mentioned bending pieces are bent by the respective upstanding supporting pieces 3. The state is fixed. Since the fitting notches 6 and 7 are provided at the positions where the respective upstanding support pieces 3 and the hollow prismatic bodies 1 and 2 interfere with each other, the above bending operation can be performed without any trouble. Also, the fitting notches 6 and 7
Is engaged with a notch 4a for engagement provided on the support piece 3, so that the support state thereof is further strengthened.
1 folds up.

Next, the auxiliary member 200 is bent along the two parallel folds L and M to form a spacer 201 having a substantially U-shaped cross section, as shown in FIG. If it is fitted in the space formed between the hollow prismatic bodies 1 and 2, the hollow columnar buffer body having a concave groove S for fitting the end portion of the article to be packed into a concave cross section. However, unlike the long description of the operation, it folds up very easily and quickly.
When it is desired to arrange the cushioning body along the four corners of the cardboard box 30 as shown in FIGS. 6 and 7, the hexagonal bending notches 8 and 9 provided in the main body member 100. Can be bent at a right angle.

As shown in FIGS. 6 and 7, the plurality of shock absorbers folded up in the above-described manner have respective concave groove portions S having flat rectangular parallelepiped shape and corner portions of the article 40 to be packed. If they are fitted in the respective boxes and then housed in the cardboard box 30, the articles to be packed 4
The end portion of 0 is in a state in which a pair of hollow prismatic bodies 1 and 2 and a spacer 201 are provided on the upper and lower surfaces and the side end surface, respectively, which is comparable to the case where a conventional polystyrene packing is used. A buffering effect is obtained.

In the above structure, the cross-sectional shape of each of the pair of hollow prismatic bodies 1 and 2 and the recess formed by the pair of hollow prismatic bodies 1 and 2 and the spacer 201. The width, depth and length dimensions of the shaped groove S may of course be appropriately determined so as to match the shape and dimensions of the article to be packed. And
By changing the places where the notches 8 and 9 for bending are provided and the number thereof, the buffer body folded into a hollow columnar shape can be bent into any shape such as a U shape, a square shape, or a polygonal shape in addition to the L shape. It can be done easily.

[0014]

As is apparent from the above description, the corrugated cardboard folding cushioning material according to the present invention has various practical advantages as listed below, as compared with the conventional foam polystyrene packing. Play. (A) It can be provided at a lower cost because it can be produced by simply providing a crease on one sheet of cardboard and subjecting it to punching. (B) Since it can be stored and transported in a flat and compact form, storage and transportation costs are greatly reduced. (C) Contribute to waste of oil resources. (D) It occurs with the large-scale disposal of Styrofoam,
It is possible to solve the above-mentioned waste disposal problem. In addition, compared with the conventional block-shaped cushioning body made by stacking corrugated cardboard pieces, the cushioning function is significantly superior and
It can be made much more efficiently and cheaply.

[Brief description of drawings]

FIG. 1 is a developed plan view of a main body member showing an embodiment of the present invention.

FIG. 2 is a developed plan view of an auxiliary member of the same.

FIG. 3 is a perspective view showing a state when the main body member starts to be bent into a hollow columnar shape.

FIG. 4 is a perspective view showing a state in the middle of folding up the same as above.

FIG. 5 is a perspective view showing a state in which the folding cushioning material is substantially folded up on the cushioning body.

FIG. 6 is a vertical cross-sectional view showing a state in which the articles to be packed in the cardboard box for packing are buffer-supported by using four buffer bodies.

FIG. 7 is a plan view of the same as above.

[Explanation of symbols]

 100 Main body member 200 Auxiliary member 101 Buffer body 201 Spacer 1, 2 Hollow prism body 3 Support piece 4 Cut / cut slit 4a Engaging notch 5 Standing auxiliary piece 6,7 Fitting notch 8,9 Bending notch 10 Finger rest Holes 11, 12 Parallel cuts 13 Dimple forming pieces 21 Fitting cutouts 22 Cutouts A to F, L, M Parallel folds G Standing folds g Diagonal folds H, K folds S Recessed grooves a Recesses 30 Cardboard boxes 40 Items to be packed

Claims (2)

[Claims] 1. A main body member 100 in which a plurality of folds, cuts, and the like are provided on a rectangular corrugated board, and an auxiliary member 200, respectively, and by folding each along the fold line, a buffer body 101 and a spacer 201 are provided. Is formed, and the two are combined to form a hollow columnar buffer body having a substantially concave cross section, and the end of the article to be packed is inserted into the recessed groove S to support it in a buffered manner. In the main body member 100, a pair of opposite side portions are bent in a U shape, and a pair of hollow prismatic bodies facing each other with a gap of a predetermined width. Each of the three parallel folds A, B, C and D, E, F for forming the first and second halves is provided at a predetermined interval, and a support having a substantially concave shape for fixing the bent shape is provided. Piece 3
In order to form a cut-and-raised shape, the cut-and-raised cut 4 and the standing fold G are provided at appropriate intervals by straddling the parallel folds C and D located adjacent to the central portion of the main body member 100. Are provided at a plurality of positions separated from each other, and fitting notches 6 and 7 are provided at positions where the respective upright supporting pieces 3 and the hollow prismatic bodies 1 and 2 interfere with each other. , The pair of hollow prismatic bodies 1 and 2
In order to form a spacer 201 having a substantially U-shaped cross section to be fitted into the space created between, two parallel folds H and I are provided in the central portion, and at the time of the fitting, the folds are erected. Notch 2 for fitting at a position that interferes with support piece 3
1. A foldable cushioning material made of corrugated board characterized in that 1. 2. The body member 100 has a hexagonal bending notch 8 for folding the hollow columnar shape so that the concave groove S faces inward and is bent at a right angle. 9. The corrugated cardboard-made cushioning material according to claim 1, wherein 9 is provided.