JP3398774B2 - Packaging container - Google Patents

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION The present invention relates to a packaging container.

[0002]

2. Description of the Related Art As a packaging container, as shown in FIG. 4, a container body (30) made of, for example, cardboard, and a container body (3
It is known to have a cushioning material (31) for packaging which is interposed between the entering corner of (0) and the ridge of the article to be packaged (S) (see JP-A-4-294763). In this packaging container, the packaging cushioning material (31) is a tubular body (32) having a substantially L-shaped cross section and formed entirely of paper or a composite material mainly composed of paper. However, the first component part (3) having a substantially L-shaped cross section along the two walls sandwiching the entry corner of the container body (30)
3) and a second component part having a substantially L-shaped cross section which is arranged at a distance from the first component part (33) and extends over two surfaces sandwiching the ridge line part of the article to be packaged (S). (34) and both components (33) (34)
Two cross-section arc-shaped connecting parts (3
5) and (36), and the vertical wall portion (3) of the first component portion (33)
Ribs (37) and (38) are formed over the entire length of the lateral wall portion (33A) and the lateral wall portion (33B) by recessing the middle portion of the width inward.

In the above packaging container, when a force as shown by an arrow in FIG. 4 acts on the article to be packaged (S) and an impact force is applied to the tubular body (32), the tubular body (32) is deformed. The impact resistance is alleviated by this deformation resistance. Moreover, the lateral wall portion (34B) of the second component portion (34) is the lateral wall portion (33) of the first component portion (33).
It abuts against the rib (38) of B) and is held in this state. As a result, the right side connecting portion (36) is prevented from being crushed and the cushioning function is maintained for a long time.

[0004]

However, it has been found that the conventional packaging container shown in FIG. 4 has the following problems. That is, when a large impact force is applied to the cushioning material (31), such as when the weight of the object to be packaged (S) is large or a large vertical load is applied to the object to be packaged (S), the second configuration is first performed. First configuration such that the lateral wall portion (34B) of the portion (34) abuts the rib (38) of the lateral wall portion (33B) of the first component portion (33), and further the rib (38) opens in the horizontal direction. The lateral wall portion (33B) of the portion (33) is deformed and the tubular body (32) is flattened as shown by the chain double-dashed line in FIG.

An object of the present invention is to provide a packaging container that solves the above problems.

[0006]

A packaging container according to the first invention comprises a container body and a cushioning material fixed to the upper and lower walls of the container body, and the cushioning material is entirely made of paper or paper. A first component portion which is formed of a composite material that is a main body and has a substantially rectangular cross section and a tubular body extending along the container body;
It is composed of a second component part which is arranged at a distance from the first component part and which extends along the object to be packaged, and a connecting part which connects the side edges of both component parts, with the middle part of the width of the first component part being inside. By denting inward, a rib protruding inward is formed over the entire length in the first component portion, and an inwardly recessed recess is formed over the entire length in the outer surface of the first component portion. Both sides of the recess on the outer surface of the are bonded to the container body.

A packaging container according to a second aspect of the present invention comprises a container body and a cushioning material interposed between a corner of the container body and a ridge of a packaged article. The cushioning material is entirely paper or paper. It is composed of a tubular body having a substantially L-shaped cross section formed of a composite material mainly composed of paper, and the tubular body extends substantially across the two walls sandwiching the entry corner of the container body. A first component having a shape, and a second component having a substantially L-shaped cross section, which is arranged at a distance from the first component and extends along two surfaces sandwiching the ridge of the packaged object, A rib that is formed of a connecting portion that connects the side edges of both constituent parts and is recessed inwardly at the middle portion of the width of the lateral wall portion of the first constituent part has a rib projecting inwardly on the lateral wall portion for the entire length. Is formed over the entire length, and an inwardly recessed recess is formed over the entire length of the outer surface of the lateral wall portion. Both sides of the recess in the outer surface of the lateral wall portion of the component is one that is adhered to the container body.

A packaging container according to a third aspect of the present invention comprises a container body and a cushioning material interposed between a corner portion of the container body and a ridge of a packaged article. It is composed of a tubular body having a substantially L-shaped cross section formed of a composite material mainly composed of paper, and the tubular body extends substantially across the two walls sandwiching the entry corner of the container body. A first component having a shape, and a second component having a substantially L-shaped cross section, which is arranged at a distance from the first component and extends along two surfaces sandwiching the ridge of the packaged object, A rib that is formed of a connecting portion that connects the side edges of both constituent parts and is recessed inwardly at the middle portion of the width of the lateral wall portion of the first constituent part has a rib projecting inwardly on the lateral wall portion for the entire length. together are formed over, lateral wall portion of the recess which is recessed inwardly to the outer surface is formed over the entire length, the Within the width of the vertical wall portion of the components
By denting the interior part inward, the inward
Ribs protruding in the entire length are formed,
An inwardly recessed outer surface of the vertical wall extends over the entire length.
Formed in a horizontal wall portion of the first component and a vertical orientation
The portions on both sides of the recess in the outer surface of the wall portion are respectively adhered to the container body.

[0009]

According to the packaging container of the first aspect of the invention, when the object to be packaged has a large weight or a large vertical load is applied to the object to be packaged, the second component part first becomes the rib of the first component part. Although abutting, the portions of the outer surface of the first component portion on both sides of the recess are adhered to the container body, so that the deformation of the first component portion such that the ribs open horizontally is prevented.

According to the packaging container of the second invention, when the object to be packaged has a large weight or a large vertical load is applied to the object to be packaged, the lateral wall portion of the second component part has the first configuration first. The first configuration in which the rib abuts against the rib of the lateral wall portion of the portion, but the ribs open horizontally because the portions on both sides of the recess on the outer surface of the lateral wall portion of the first component portion are adhered to the container body. Deformation of the lateral wall portion of the member is prevented.

According to the packaging container of the third invention, when the weight of the packaged article is large or a large vertical load is applied to the packaged article, the lateral wall portion of the second component portion first contacts the rib. Abut, but outside the lateral wall of the first component
Since the portions on both sides of the recess in the surface are adhered to the container body, the deformation of the lateral wall portion of the first component member such that the rib opens in the horizontal direction is prevented.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. In the following description, the upper and lower sides and left and right sides of each drawing are referred to as upper and lower sides and left and right sides, respectively. Throughout the drawings, the same parts and parts are designated by the same reference numerals, and description thereof will be omitted.

Example 1 This example is shown in FIG. 1, and the packaging container is
It comprises a container body (1) and a cushioning material (2) for packaging interposed between the upper and lower walls of the container body (1) and the upper and lower surfaces of the article to be packaged (S). In addition, the cushioning material for packaging is shown in FIG.
The state where (2) is interposed between the lower wall of the container body (1) and the lower surface of the object to be packaged (S) is shown.

The cushioning material (2) for packaging is composed of a tubular body (3) which is formed of paper or a composite material mainly composed of paper and which has a substantially rectangular cross section. As the paper, for example, recycled paper is used. As the composite material, for example, recycled paper laminated with a plastic film, non-woven fabric, foamed sheet, or the like, or recycled paper coated with resin is used.

The tubular body (3) is arranged at a distance from the first component part (4) along the lower wall of the container body (1) and the first component part (4), and is to be packaged (S ) 2nd horizontal plate along the bottom surface
It is composed of a constituent part (5) and two connecting parts (6) (7) having an arcuate cross section for connecting the left and right side edges of both the constituent parts (4) (5).

An inwardly projecting rib (8) is formed over the entire length of the first component portion (4) of the tubular body (3) by recessing the widthwise intermediate portion inward. Also rib
By forming (8), an inwardly recessed recess (9) is formed over the entire length of the outer surface of the first component portion (4). In the tubular body (3), the parts on both sides of the recess (9) on the outer surface of the first component part (4) are bonded with the adhesive (A) to the container body (1).
It is glued to the bottom wall.

When a vertical downward force as shown by an arrow in FIG. 1 acts on the object to be packaged (S) and a vertical impact force is applied to the cylindrical body (3), the cylindrical body (3) Is deformed as shown by the chain double-dashed line in the figure, and the impact force is alleviated by this deformation resistance. That is, both connecting portions (6) and (7) are deformed so as to be closed, and the second component portion (5) abuts the rib (8) of the first component portion (4). And, since the cross-sectional shape of both connecting portions (6) (7) is arcuate, even if such deformation is repeated, cracks or cracks are unlikely to occur on the outer surfaces of both connecting portions (6) (7). , Restorability is not easily impaired. Moreover, the ribs (8) prevent the connecting portions (6) and (7) from collapsing.

Even if the vertical impact force applied to the tubular body (3) is further increased, the first component part of the tubular body (3)
On both sides of the recess (9) on the outer surface of (4),
As it is glued to the lower wall of (1), the first component (4) is prevented from being deformed so that the rib (8) opens horizontally, and as a result, the connecting portions (6) and (7) are crushed. The tubular body (3) is prevented from being flattened. Therefore, the buffer function is maintained for a long time.

Although not shown, in the packaging container of the first embodiment, the cushioning material is also interposed between the upper wall of the container body (1) and the upper surface of the object to be packaged (S), and the first component Recess in (4)
Both sides of (9) are adhered to the upper wall of the container body (1). In this case, even when a vertical impact force acts on the packaging cushioning material (2), the impact force is mitigated in the same manner as described above, and the cushioning function is maintained for a long time.

Example 2 This example is shown in FIG. 2, in which the packaging container is
Container body (1), the corners of the container body (1) and the items to be packaged
A cushioning material for packaging that is interposed between the ridge of (S) (10)
And consists of. 2 shows a state in which the packaging cushioning material (10) is interposed between the lower left corner of the container body (1) and the lower left ridge of the article to be packaged (S).

The cushioning material (10) for packaging is a tubular body having a substantially L-shaped cross section formed entirely of paper or a composite material mainly composed of paper.
It consists of (11). The same paper or composite material as in Example 1 is used.

The tubular body (11) has a first component portion (12) having a substantially L-shaped cross section and extending across two horizontal and vertical walls sandwiching the entry corner of the container body (1); 1. A cross section of approximately L, which is arranged at a distance from the component part (12) and extends across two horizontal and vertical surfaces that sandwich the ridge of the article to be packaged (S).
It comprises a second shaped part (13) and two cross-sectioned arc-shaped connecting parts (14) (15) connecting the upper and right edges of both parts (12) (13).

The vertical wall portion (12A) and the horizontal wall portion (12B) of the first component portion (12) of the tubular body (10) are internally recessed by indenting the intermediate portions of their widths. Ribs (16) and (17) projecting inward are formed over the entire length. Further, by forming the ribs (16) and (17), the vertical wall portion (12A) and the horizontal wall portion (12B) of the first component portion (12).
Recesses (18) and (19), which are respectively recessed inwardly, are formed on the outer surface of each of the above over the entire length. The both sides of the recesses (18) and (19) on the outer surfaces of the vertical wall portion (12A) and the horizontal wall portion (12B) of the first component portion (12) are attached to the container body by the adhesive (A).
It is glued to (1).

When a vertically downward force as shown by an arrow in FIG. 2 acts on the article to be packaged (S) and an impact force is applied to the tubular body (11), the tubular body (11) is shown in FIG. It deforms as shown by the chain double-dashed line, and the impact force is alleviated by this deformation resistance. That is, the connecting portions (14) and (15) having an arcuate cross section act like hinges, the connecting portion (14) on the upper side is deformed to open, and the connecting portion (15) on the right side is deformed to close. To do. Moreover, the lateral wall portion (13B) of the second component portion (13) is the first component portion (1B).
It abuts the rib (17) of the side wall portion (12B) of 2). And, since the cross-sectional shape of both connecting portions (14) (15) is arcuate, the degree of the above deformation is large, or even if such deformation is repeated, the outer surface of the connecting portions (14) (15) It is difficult for cracks and cracks to occur and the restoration property is not impaired. Moreover, the ribs (17) prevent the right side connecting portion (15) from being crushed.

Even if the vertical impact force applied to the tubular body (11) is further increased, portions on both sides of the recess (19) on the outer surface of the lateral wall portion (12B) of the first component portion (12). Is bonded to the container body (1), the lateral wall portion (12B) of the first component (12) is prevented from being deformed so that the rib (17) is opened horizontally, and as a result, the connecting portion on the right side is prevented. The flat part of the cylindrical body (11) is prevented from being flattened by the flattening of the tubular member (15). Therefore, the buffer function is maintained for a long time.

On the other hand, even when a horizontal leftward force acts on the article to be packaged (S) and an impact force is applied to the tubular body (11), the impact is the same as when the vertical downward force is applied. Power is relieved. Moreover, the buffer function is maintained for a long time.

Although not shown in the drawings, the cushioning material (10) for packaging in the second embodiment is different from the other corners of the container body (1) and the article to be packaged.
Even if impact force in the vertical and horizontal directions acts on this cushioning material for packaging (10) by being interposed between the other ridges of (S), this impact force is mitigated in the same manner as above. Moreover, the buffering function is maintained for a long time.

Example 3 This example is shown in FIG. 3, in which the packaging container is
Container body (1), the corners of the container body (1) and the items to be packaged
A cushioning material for packaging (20) that is interposed between the ridge of (S)
And consists of. Note that FIG. 3 shows a state in which the packaging cushioning material (20) is interposed between the lower left corner of the container body (1) and the lower left ridge of the article to be packaged (S).

A tubular body formed of paper or a composite material mainly composed of paper similar to that of the first embodiment constituting the cushioning material (20) for packaging.
The tip of the connecting portion (22) for connecting the lateral wall portions (12B) and (13B) of the first constituent portion (12) and the second constituent portion (13) of (11) has a V-shaped cross section. ing.

The function of this packaging container is the same as that of the packaging container of the second embodiment.

Although not shown, in the third embodiment, the cushioning material (20) for packaging is different from the other corners of the container body (1) and the article to be packaged.
Even when vertical and horizontal impact forces act on the cushioning material for packaging (20) by interposing it between the other ridges of (S), this impact force is mitigated and Function is maintained for a long time.

In Examples 2 and 3 above, the cylindrical body (1
The outer surface of the vertical wall portion (12A) in the first component portion (12) of 1) does not necessarily have to be adhered to the container body (1).

[0033]

According to the packaging container of the present invention, as described above, the deformation of the first component portion such that the ribs are opened in the horizontal direction is prevented, so that the impact force applied to the cushioning material is large. , The buffer function is maintained for a long time.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing a first embodiment of the present invention.

FIG. 2 is a cross sectional view showing a second embodiment of the present invention.

FIG. 3 is a cross sectional view showing a third embodiment of the present invention.

FIG. 4 is a cross-sectional view showing a conventional example.

[Explanation of symbols]

(1) Container body (2) cushioning material for packaging (3) Cylindrical body (4) First component (5) Second component (6) Connection part (7) Connection part (8) Rib (9) Recess (10) Cushioning material for packaging (11) Cylindrical body (12) First component (12A) Vertical wall (12B) Side wall part (13) Second component (14) Connection part (15) Connection part (17) Rib (19) Recess (S) Packaged item

Claims (3)

(57) [Claims] 1. A cross-section of a container body, and a cushioning material fixed to an upper wall and a bottom wall of the container body, wherein the cushioning material is entirely formed of paper or a paper-based composite material. A side of both component parts, which comprises a rectangular tubular body, a first component part having a tubular body along the container body, a second component part spaced apart from the first component part and extending along the object to be packaged, and both component parts. By forming a connecting portion that connects the edges together and indenting an intermediate portion of the width of the first component portion inward, a rib protruding inward is formed over the entire length of the first component portion, and A packaging container in which an inwardly recessed recess is formed over the entire length on the outer surface of the component portion, and portions on both sides of the recess on the outer surface of the first component portion are adhered to the container body. 2. A composite material comprising a container body and a cushioning material interposed between an entry corner of the container body and a ridge of an article to be packaged, the cushioning material being entirely paper or a paper-based composite material. The tubular body having a substantially L-shaped cross section formed by
A first component part having a substantially L-shaped cross section that extends across two walls sandwiching the entering corner of the container body, and a first component part and a first component part that are arranged at a distance from each other and sandwich a ridge line portion of the packaged object. The second component portion having a substantially L-shaped cross section extending across the two surfaces and a connecting portion that connects the side edges of both component portions, and has an intermediate width between the lateral wall portions of the first component portion. By denting the portion inward, a rib protruding inward is formed in the lateral wall portion over the entire length, and an inwardly recessed portion is formed in the outer surface of the lateral wall portion over the entire length. A packaging container in which portions on both sides of the recess on the outer surface of the lateral wall portion of the portion are adhered to the container body. 3. A container body, and a cushioning material interposed between a corner of the container body and a ridge of a packaged article, the cushioning material being entirely paper or a paper-based composite material. The tubular body having a substantially L-shaped cross section formed by
A first component part having a substantially L-shaped cross section that extends across two walls sandwiching the entering corner of the container body, and a first component part and a first component part that are arranged at a distance from each other and sandwich a ridge line portion of the packaged object. The second component portion having a substantially L-shaped cross section extending across the two surfaces and a connecting portion that connects the side edges of both component portions, and has an intermediate width between the lateral wall portions of the first component portion. by recessing the part inwardly, together with the ribs protruding inwardly sideways wall portion is formed over the entire length, lateral wall portion of the recess which is recessed inwardly to the outer surface is formed over the entire length, first configuration Department
For indenting the middle part of the width of the vertical wall part of the minute
The inwardly protruding ribs extend over the entire length of the vertical wall.
Is formed on the outside of the vertical wall and
A recessed recess is formed over the entire length of the recess on the outer surface of the transverse wall portion and the longitudinal wall portion of the first component .
A packaging container in which both sides are bonded to the container body.