JP4324945B2 - Edge protection material for plate-like members - Google Patents

Description

  The present invention relates to an edge protection material that protects an edge of a plate-like member when the plate-like member such as an automobile door panel is transported.

  When transporting plate-like members such as automobile door panels and hoods, the edges may be deformed by impact during transportation. Conventionally, an edge protection member is attached to the edge of such a plate-like member to absorb the impact during transportation to prevent the edge of the plate-like member from being deformed.

As an edge protection material for a conventional plate-like member, an edge protection material is known which is molded from an elastic synthetic resin material, and the sandwiching plates on both sides can expand and contract according to the thickness of the edge of the plate-like member ( For example, see Patent Document 1.) According to this edge protection material, it is possible to cope with a certain change in width, and therefore the edge protection material can be used in common for plate-like members having different widths.
Japanese Utility Model Publication No. 5-65866

  However, the conventional edge protection material is attached to the corner of the plate-like member, and in order to protect the straight portion, it is necessary to use another edge protection material corresponding to the straight portion. Accordingly, the conventional edge protection material has a first problem to be solved in that it cannot be used in common for the corners and straight portions of the plate-like member.

  Moreover, the said conventional edge part protection material shape | molds the elastic synthetic resin raw material using a metal mold | die. When manufacturing edge protection materials of different shapes corresponding to different widths, a new mold must be formed for each type of edge protection material, which is secondly expensive in manufacturing cost. There was a problem to be solved.

  This invention is made | formed in view of the said problem, The 1st objective is providing the edge part protection material which can be used in common with the corner | angular part and straight part of a plate-shaped member. is there. A second object is to provide an edge protection material that does not require a new mold and reduces manufacturing costs when manufacturing edge protection materials having different shapes corresponding to plate-like members having different widths. That is.

In order to achieve the above object, in the invention according to claim 1, a protective material main body made of a foam material having elasticity, and a plate-like shape formed in the longitudinal direction from one end to the other end of the main body of the protective material. a groove-like insertion notch portion of an edge Ru is formed to have a width and depth to holding member, while being formed by crossing the insertion notch portion, an end surface of the insertion notch portion And a bending cut formed by leaving a hinge portion for folding the protective material main body.

In the invention according to claim 2, the width of the protective material main body made of a laminated cardboard material and formed in the longitudinal direction from one end to the other end of the main body of the protective material, and sandwiching the edge of the plate-like member by elastic force leaving the insertion notches and that will be formed to have a depth as would be formed by crossing the insertion notch portion, a hinge portion for bending the protective material mainly on the end face of the insertion notch portion And a bending incision portion formed.

  According to the invention described in claim 3, in the invention described in any one of claims 1 to 2, a plurality of folding cut portions are provided.

(Function)
Therefore, in the invention described in claim 1, the protective material main body is formed of a foam material having elasticity, and when the edge of the plate-like member is inserted into the insertion notch, the portions on both sides of the insertion notch are as follows. The edge of the plate member is clamped by the elastic force. The edge protection member is attached to the edge of the plate-like member, and the edge of the plate-like member is protected from impact by the elasticity of the edge protection member, thereby preventing deformation.

  When the edge protection member is attached to the corner of the plate-like member, the edge protection member is bent at the hinge portion with the folding cut-out portion outside, and attached according to the shape of the corner of the plate-like member. Moreover, when attaching an edge protection material to the linear part of a plate-shaped member, it attaches to the edge of a plate-shaped member as it is, without bending an edge protection material.

  In the invention according to claim 2, the protective material main body is formed of a laminated corrugated cardboard material, and the edge of the plate-like member can be inserted into the insertion notch. The portions on both sides of the insertion cut portion sandwich the edge of the plate member by elastic force. The edge protection member is attached to the edge of the plate-like member, and the edge of the plate-like member is protected from impact by the elasticity of the edge protection member, and deformation is prevented.

  When the edge protection member is attached to the corner of the plate-like member, the edge protection member is bent at the hinge portion with the folding cut-out portion outside, and attached according to the shape of the corner of the plate-like member. Moreover, when attaching an edge protection material to the linear part of a plate-shaped member, it attaches to the edge of a plate-shaped member as it is, without bending an edge protection material.

  In the invention according to claim 3, when the edge protection material is attached to the corner of the plate-like member, the edge protection material is bent at each hinge portion with each of the plurality of folding incisions being on the outside, and the plate shape Install according to the shape of the corner of the member. When the edge protection material is attached to the straight portion of the plate-like member, the edge protection material is attached to the edge of the plate-like member as it is without being bent.

  Therefore, according to the invention described in claims 1 to 3, the edge protection member can be attached to match the shape of the corner of the plate-like member by bending at the hinge portion. It can also be attached to the straight part of the edge part of a plate-shaped member as it is without bending. Therefore, the edge protection material can be used in common for both the corner and the straight portion of the plate-like member.

  The main body of the protective material is made of a material having elasticity such as foam or laminated cardboard, and when the edge protective material is removed from the edge of the plate-like member, the insertion cut portion is restored to the original shape. For this reason, the edge protection material can be used again.

When manufacturing edge protection materials having different shapes corresponding to plate members having different widths, the insertion portion having a width corresponding to the edge of the plate member is formed mainly on the protection material, and the hinge portion is formed. The bending cut portion may be formed so as to be left. For this reason, the manufacture of the edge protection material does not require a mold for each type of edge protection material, and the manufacturing cost can be reduced.

  According to the invention described in claim 3, since the edge protection material can be bent at each hinge portion, the edge protection material can be adapted to the shape of the corner portion of the plate-like member as compared with the edge protection material having a small number of hinge portions. Can do.

  An embodiment embodying the present invention will be described with reference to FIGS. In addition, the plate-shaped member to which the edge protection material is attached is not limited to one having a uniform thickness as long as the edge is plate-shaped. For example, the thickness of the edge portion and the central portion may be different.

  An edge protecting material 1 for a plate-like member according to Embodiment 1 of the present invention will be described with reference to FIGS. As shown in FIG. 1, the edge protection material 1 according to the first embodiment includes a protection material main body 2, an insertion cut portion 3, a hinge portion 4, and a bending cut portion 5.

  The protective material main body 2 is made of a foam material having elasticity. As shown in FIGS. 1 and 2, the shape of the protective material main body 2 is a rectangular parallelepiped having a cross-sectional shape of height D = 35 mm, lateral W = 50 mm, and length L = 250 mm. The shape of the protective material main body 2 can be an arbitrary shape such as a block shape, a plate shape, or a columnar shape so as to be compatible with the plate-like body to be used. When the edge protection material 1 is used for a relatively heavy plate, foamed polyethylene (for example, “Polymock” (registered trademark) of Sanwa Kako Co., Ltd.)) is used. It is preferable to do. When the edge protection material 1 is used for a plate having a relatively light weight, it is preferable to use urethane foam. In addition, foamed rubber, foamed polypropylene, or the like can be used as the foaming material.

  The insertion notch 3 is a portion into which an edge of the plate-like member is inserted. As shown in FIG. 1, the insertion notch 3 is formed along the longitudinal direction of the protective material main body 2 and is formed in the height D direction from the upper surface to the lower surface of the protective material main body 2. As shown in FIG. 2, it is preferable that the depth d1 of the insertion notch 3 is about 2/3 of the height D of the protective material main body 2. When the depth d1 of the insertion notch 3 is made deeper than about 2/3 of the height D of the protective material main body 2, the insertion required when the edge of the plate-like member is inserted into the insertion notch 3 The clamping force by the parts on both sides of the cut portion 3 is reduced. On the contrary, when the depth d1 of the insertion notch 3 is made shallower by about 2/3 of the height D of the protective material main body 2, when inserting the edge of the plate-like member into the insertion notch 3, The portions on both sides of the cut portion 3 are not sufficiently opened, and the edge of the plate-like member cannot be sufficiently inserted.

  As shown in FIG. 2, the insertion notch 3 has a groove shape, and the width b of the insertion notch 3 is slightly narrower than the width of the plate member. For example, when the width of the plate-like member is 3 mm, the width b of the insertion notch 3 is about 2 mm. As a means for forming the insertion notch 3, a circular saw or the like is used to form the insertion notch 3 having a certain depth d1. When changing the width b of the insertion notch 3, it is performed by means for changing the circular saw blade of the circular saw machine to a thick one.

  As shown in FIG. 1, the bending cut portion 5 is formed in a direction substantially orthogonal to the insertion cut portion 3, and is formed in a height D direction from the lower surface to the upper surface of the protective material main body 2. As shown in FIGS. 1 and 3, the bending cut portion 5 is formed so that the hinge portion 4 remains on the upper surface side of the protective material main body 2. As shown in FIG. 4, the hinge portion 4 is a portion for bending the protective material main body 2. The thickness d2 is about 5 mm to 3 mm.

  Next, the use of the edge protecting material 1 for the plate-like member according to the first embodiment will be described. As shown in FIG. 5, the case where it uses for the corner | angular part and linear part of the door panel 6 for motor vehicles as a plate-shaped member is demonstrated. When attaching to the corner | angular part of the door panel 6 for motor vehicles, as shown in FIG. 6, the edge protection material 1 is bend | folded by the hinge part 4 by making the cut | notch part 5 for bending outside, and it matches with the shape of a corner | angular part. And the edge part of the door panel 6 for motor vehicles is inserted in the notch part 3 for insertion. The portions on both sides of the insertion notch 3 sandwich the edge of the automobile door panel 6 by elastic force, and the edge protection member 1 is attached to the edge of the automobile door panel 6 (see FIG. 7).

  When attaching to the linear part of the door panel 6 for motor vehicles, as shown in FIG. 6, the edge part protection material 1 is attached to the edge part of the door panel 6 for motor vehicles as it is, without bending (refer FIG. 7). The automobile door panel 6 to which the edge protection material 1 is attached is accommodated in the exterior case 7 and transported (see FIG. 8).

  According to the edge protecting material 1 of the plate-like member according to the first embodiment, the following effects are obtained.

  (A) The edge protection material 1 can be bent and attached to the corner of the plate-like member by folding it at the hinge portion 4, and the edge of the plate-like member is directly bent without bending the edge protection material 1. It can also be attached to the straight part. Therefore, the edge protection material 1 can be commonly used for both the corners and the straight portions of the plate-like member.

  (A) The protective material main body 2 is made of a foam having elasticity such as foamed polyethylene. When the edge protective material 1 is removed from the edge of the plate-like member, the insertion notch 3 is the original shape. Restore to. For this reason, the edge part protection material 1 can be utilized again.

  (C) The insertion notch 3 is formed using a circular saw. When manufacturing the edge protection material 1 having a different shape corresponding to a plate member having a different width, an insertion cut portion 3 having a width corresponding to the edge of the plate member is formed in the protection material main body 2. The folding cut portion 5 may be formed so as to leave the hinge portion 4, and a mold for each type of the edge protection material 1 is not necessary, and the manufacturing cost can be reduced.

  (D) The protective material main body 2 is made of a foam material having elasticity such as foamed polyethylene. For this reason, even if it is a case where it attaches to the plate-like member from which the width | variety of an edge part differs, the part of the both sides of the notch | incision part 3 for insertion spreads according to elasticity, and the edge protection material 1 corresponds to the edge part of a plate-like member. It is attached.

  Next, an edge protecting material 1 for a plate-like member according to Embodiment 2 of the present invention will be described with reference to FIGS. The second embodiment is greatly different from the first embodiment in that the material of the protective material main body 2 is a laminated cardboard material. The same parts as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.

  As shown in FIG. 9, the shape of the protective material main body 2 is a rectangular parallelepiped. The shape of the protective material main body 2 can be an arbitrary shape such as a block shape or a plate shape so as to match the plate-like body to be used.

  As shown in FIG. 9, the insertion notch 3 is formed along the longitudinal direction of the protective material main body 2 and is formed in the height direction from the upper surface to the lower surface of the protective material main body 2. The depth of the insertion notch 3 is preferably about 2/3 of the height of the protective material main body 2.

  As shown in FIG. 9, the insertion notch 3 has a groove shape, and the width of the insertion notch 3 is slightly narrower than the width of the plate-like member. For example, when the width of the plate-like member is 3 mm, the width of the insertion notch 3 is about 2 mm. As a means for forming the insertion cut portion 3, a circular saw or the like is used to form the insertion cut portion 3 having a certain depth.

  As shown in FIG. 9, the bending cut portion 5 is formed in a direction substantially orthogonal to the insertion cut portion 3, and is formed in the height direction from the lower surface to the upper surface of the protective material main body 2. As shown in FIG. 9, the bending cut portion 5 is formed so as to leave a skin that becomes the hinge portion 4 on the upper surface side of the protective material main body 2.

  Next, the use of the edge protecting material 1 for the plate-like member according to the second embodiment will be described. When the edge protection member 1 is attached to a corner of a plate-like member such as the door panel 6 for an automobile, the edge protection member 1 is connected to the hinge portion 4 with the folding cut portion 5 being outside as shown in FIG. Bend to match the shape of the corner. Then, the edge of the plate-like member is inserted into the insertion notch 3. The portions on both sides of the insertion notch 3 sandwich the edge of the plate member by the elastic force of the laminated cardboard material, and the edge protection member 1 is attached to the edge of the plate member (see FIG. 7).

  When attaching to the linear part of a plate-shaped member, as shown in FIG. 9, the edge protection material 1 is attached to the edge of a plate-shaped member as it is without bending (refer FIG. 7).

  According to the edge protecting material 1 of the plate-shaped member according to the second embodiment, the following effects are obtained in addition to the effects (a), (c), and (d) of the first embodiment.

  (E) Since the protective material main body 2 is made of laminated cardboard and has elasticity, when the edge protective material 1 is removed from the edge of the plate-like member, the insertion notch 3 is restored to its original shape. . For this reason, the edge part protection material 1 can be utilized again.

  (F) Since the protective material main body 2 is made of laminated cardboard and has elasticity, even when it is attached to plate-like members having different edge widths, the portions on both sides of the insertion notch 3 are elastically The edge protection material 1 is attached to the edge of the plate-like member.

  Next, an edge protecting material 1 for a plate-like member according to Embodiment 3 of the present invention will be described with reference to FIGS. The third embodiment is greatly different from the first embodiment in that a plurality of folding cut portions 5 are provided. The same parts as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.

  As shown in FIG. 11, the bending cut portions 5 are formed at two locations in a direction substantially orthogonal to the insertion cut portion 3, and are formed in the height direction from the lower surface to the upper surface of the protective material main body 2. The The folding cut portion 5 is formed so as to leave the hinge portion 4 on the upper surface side of the protective material main body 2. In addition, the place which forms the cutting part 5 for bending is not limited to two places, You may form in three or more places.

  Next, the use of the edge protecting material 1 for the plate-like member according to the third embodiment will be described. When the edge protection material 1 is attached to a corner of a plate-like member such as a door panel 6 for an automobile, each of the edge protection materials 1 is provided with a plurality of folding cut portions 5 as shown in FIG. It is bent at the hinge part 4 and attached according to the shape of the corner of the plate-like member. When the edge protection material 1 is attached to the straight portion of the plate-like member, the edge protection material 1 is attached to the edge of the plate-like member as it is without being bent.

  According to the edge protecting material 1 of the plate-like member according to the third embodiment, the following effects are obtained in addition to the effects (a) to (d) of the first embodiment.

  (G) Since the edge protection material 1 can be bent at each hinge portion 4, the edge protection material 1 can be adapted to the shape of the corners of the plate-like member as compared with the edge protection material 1 with few hinge portions 4.

It is a perspective view of the edge part protection material 1 of the plate-shaped member which concerns on Example 1 of this invention. It is sectional drawing in the 2-2 line of FIG. It is sectional drawing in the 3-3 line of FIG. It is a perspective view of the state which bent edge protection material 1 of a tabular member concerning Example 1 of the present invention. It is a perspective view of the door panel 6 for motor vehicles as a plate-shaped member, and the edge part protection material 1 of a plate-shaped member. It is a perspective view of the state which bent the edge part protection material 1 of the plate-shaped member, and was match | combined with the shape of the corner | angular part of the door panel 6 for motor vehicles. It is a perspective view of the state which attached the edge part protection material 1 of the plate-shaped member to the door panel 6 for motor vehicles. 1 is a perspective view of an automobile door panel 6 to which an edge protection material 1 is attached and an exterior case 7 that houses the automobile door panel 6. It is a perspective view of the edge part protection material 1 of the plate-shaped member which concerns on Example 2 of this invention. It is a perspective view of the state which bent the edge part protection material 1 of the plate-shaped member which concerns on Example 2 of this invention. It is a perspective view of the edge part protection material 1 of the plate-shaped member which concerns on Example 3 of this invention. It is a perspective view of the state which bent the edge part protection material 1 of the plate-shaped member which concerns on Example 3 of this invention.

DESCRIPTION OF SYMBOLS 1 Edge protection material of a plate-shaped member 2 Protective material main body 3 Insertion cut-in part 4 Hinge part 5 Bending cut-in part 6 Automotive door panel 7 as a plate-shaped member Exterior case

Claims (3)

A protective material mainly composed of a foam material having elasticity;
Formed in the longitudinal direction from one end to the other end of the protective material main body ,
A groove-like insertion notch portion that will be formed to have a width and depth to holding the edges of the plate member by an elastic force,
And formed to intersect with the insertion cut portion ,
A folding cut formed by leaving a hinge portion for folding the protective material main body on the end face on the insertion cut portion side ;
An edge protecting material for a plate-like member, comprising: Protective material mainly made of laminated cardboard material,
Formed in the longitudinal direction from one end to the other end of the protective material main body ,
And inserting the cut portion that will be formed to have a width and depth to holding the edges of the plate member by an elastic force,
And formed to intersect with the insertion cut portion ,
A folding cut formed by leaving a hinge portion for folding the protective material main body on the end face on the insertion cut portion side ;
An edge protecting material for a plate-like member, comprising:   The edge protecting material for a plate-like member according to any one of claims 1 to 2, wherein a plurality of bending cut portions are provided.

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