JP2010036839A - Decoration panel, storage box, and manufacturing method for decoration panel - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a decoration panel with excellent appearance emphasizing a stereoscopic effect on a skin, a storage box provided with the decoration panel on a surface side, and a manufacturing method for the decoration panel. <P>SOLUTION: The decoration panel is provided with: a base material formed of resin having a thin part where a sewing needle can be penetrated through at least a part and having a deformable part; a skin for covering a surface side of the base material; and a stitch sewn by sewing the base material and the skin. The stitch is formed at a bottom of a recessed groove, i.e., a recessed shape relative to a general surface of the skin. The manufacturing method for the decoration panel includes a step for forming a laminated body of the base material and the skin and pressing it to deform it; a step for sewing these to form the stitch; and a step for releasing the pressing and restoring the deformation to form a swelled part at a periphery of the stitch. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  [Technical Field] The present invention relates to a decorative panel, a storage box, and a method for manufacturing a decorative panel, in which a three-dimensional effect is emphasized.

As an interior material for a vehicle, there is one in which the surface of a base material is covered with a surface covering material, the surface covering material is folded inward in the vicinity of each terminal, stitched together, and further sewed into a three-dimensional shape by double stitching.
The thing of patent document 1 proposes the improvement method which eliminated the double stitch twist seen in such a type of interior material, and positioned easily at the time of manufacture.
However, the appearance of the interior decoration panel by this method is not satisfactory in terms of appearance because the sewing part has no three-dimensional effect.
Republished publication WO06 / 028206

  The present invention provides a decorative panel having an excellent appearance in which a three-dimensional effect is emphasized by giving an appropriate tension to the skin in a sewing portion of the decorative panel, a storage box provided with the decorative panel on the surface side, and It aims at providing the manufacturing method of a decorating panel.

As a result of intensive studies, the inventors have made at least a base material portion a resin base material portion having a thin portion through which a sewing needle can be inserted and a deformable portion, and provided a skin portion that covers the deformable portion. It has been found that it is effective to provide stitches that are sewn together and stitched so that the stitches form concave grooves in the skin, and the present invention has been achieved.
That is, the present invention

[1] A resin base material portion having a thin-walled portion through which a sewing needle can be inserted at least in part and having a deformable portion;
An epidermis portion covering the surface side of the base material portion;
A decorative panel provided with stitches for sewing together and sewing a base material portion and an outer skin portion,
The decorative panel according to claim 1, wherein the stitch is formed at the bottom of a groove having a concave shape with respect to the general surface of the skin portion.
[2] The decorative panel according to [1], in which the base portion includes a base panel portion and a cushion portion, and the deformable portion is a compressible deformable portion that is deformed when the cushion portion is pressed from the surface side.
[3] The base material portion is made of a flexible resin base material, and the deformable portion is a bendable deformable portion in which the flexible resin base material is bent and deformed from the surface side. Decorative panel.
[4] The decorative panel according to [1] or [2], wherein the concave groove is a linear groove, and the stitch is linearly formed along a linear bottom portion of the linear groove.
[5] The decorative panel according to any one of [1] to [4], wherein the groove has a substantially V-shaped cross section.
[6] A storage box in which the decorative panel according to [1] to [5] is attached to the surface side of the lid.
[7] At least a portion having a thin-walled portion through which a sewing needle can be inserted, a resin-made base material portion having a deformable portion, a skin portion covering the base material portion, and a concave surface with respect to the general surface of the skin portion A method for producing a decorative panel having a stitch at the bottom of a concave groove,
A first step of covering the base material portion with a skin portion, and deforming this by pressing or bending the deformable portion from the skin portion side;
A second step of forming a stitch by co-sewing the base portion and the skin portion with a sewing needle at the pressed portion or the bent portion;
And a third step of releasing the pressing or bending force to restore deformation and forming a raised portion around the stitch.
About.

  According to the present invention, at least a resin base material portion having a thin portion and a deformable portion and a skin portion are stitched together and stitched, and the stitch is formed so as to form a concave groove in the skin portion. By doing this, it is possible to obtain a decorative panel with an excellent appearance that gives a moderate tension to the skin of the sewn part and emphasizes the three-dimensional effect.

The decorative panel of the present invention includes a base material portion having at least a deformable portion, a skin portion covering the base material portion, and stitches that are sewn together and stitched together. The base material part is made of a resin having a thin part into which a sewing needle can be inserted, and the thickness of the thin part that can be inserted is preferably about 1 mm to 1.5 mm. Although there is no restriction | limiting in particular in resin used for a base material part, For example, a thermoplastic elastomer, polypropylene, ABS, etc. can be used.
In the preferable aspect of this invention, a base material part is comprised from a base panel part and the cushion layer on it, and a deformable part is used as a cushion layer. And the co-sewing with the skin part is stitched together with the pressed cushion layer at the thin part of the base panel part. The cushion layer is preferably a foamed resin, and the material thereof is not particularly limited, but a polyurethane resin foam is particularly preferred.
Further, as another preferred embodiment, the base material portion is composed of only the base panel portion using an elastomeric resin excellent in flexibility without providing a cushion layer, and this will be described later with reference to FIGS. In the present invention, the decorative panel of the present invention as shown by reference numerals 2 and 3 is molded into a concave shape, the concave shape is bent, and the surface side is deformed so as to approach a flat shape. Make it easy to sew together. If the bending is released after the stitching, the original concave shape can be restored, and the stitch is formed at the bottom of the concave groove.
The skin part may be a skin made of a non-foamed layer, but a skin having a two-layer structure in which a foamed layer is provided below this skin layer is preferable. Moreover, you may provide a nonwoven fabric layer further as needed. Such a skin part is preferably composed of synthetic leather or leather as the skin. The thickness of the skin is preferably 1 mm or less, and the thickness of the foamed layer of the skin provided at the lower part is preferably about 3 mm. Further, the thickness of the cushion layer is preferably about 5 to 10 mm in a state before sewing.

The decorative panel of the present invention is preferably configured integrally with a lid body base material portion on which the base material portion is disposed. Moreover, it is preferable that this lid main body base material part has a foam layer on it, and the said skin part is arrange | positioned on it.
In the decorative panel of the present invention, the base material portion (thin wall portion) that is sewn together with the skin material and the cushion layer is provided as a base material portion that is separate from the lid main body base material portion, and the lid main body base material after being sewn together By arranging in the portion, sufficient rigidity can be maintained, and even if a load is applied to the jointed portion from above the decorative panel, there is no deformation.
The material used for these base material and foam layer is not particularly limited, and can be molded from the various materials described above.
The sewing conditions for forming the stitches are not particularly limited, and can be formed by a conventional sewing method.

Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is an explanatory view of an arm restraint showing an example of the decorative panel of the present invention, and since it has a symmetrical structure, only the left half is shown. FIG. 2 is a partially enlarged explanatory view of a stitch portion surrounded by a circle in FIG. FIG. 3 is an explanatory diagram of the state in which the arm restraint shown in FIG. 1 is attached (however, FIG. 3 shows a cross section of the base portion at the position of the fixed claw), and this is also a symmetrical structure. Yes, only the left half is shown.
1-3, 1 is a skin material comprising a skin and a foam layer, 2 is a foam layer on the base panel portion, 3 is a base panel portion, and in this embodiment, the base material portion is composed of 2 and 3 ing.
Note that, as described above, the base material portion may be formed of only the base panel portion without providing the foam layer, and may be a molded body having a concave shape. In this case, the sewing work can be facilitated by bending and performing joint sewing using the flexibility of the panel.
4 is a thin part of the base panel part, 5 is a stitch part, 6 is a lid body base part (inner lid) on which the lid body base part is disposed, 7 is a foam layer on the lid body base part, 8 Denotes a skin stitching portion (double stitch), 9 denotes a load direction relating to the armrest, and 10 denotes a fixing claw of the base panel portion.
Moreover, FIG. 4 is a figure explaining the structural member of the console lid which shows another example of the decorating panel of this invention. The numerals indicated by the numbers in FIG. 4 are the same as described above. A foam body layer 7 is laminated on the lid main body base portion (inner lid) 6, and 11 in 6 indicates a groove into which a fixing claw of the base portion is inserted. In FIG. 4, one set of the base thin portion 4 and the cushion layer 2 is shown. However, in FIG. 4, two rows of planned stitch portions are provided, and accordingly, another set (not shown) is required. .
FIG. 5 shows another example of the decorative panel of the present invention, and is an explanatory diagram of an example in which two joint stitches are provided in a base material portion and a skin portion provided with one cushion layer.

Next, the manufacturing method of the decorating panel of this invention is demonstrated.
The cushion layer, the base panel portion, and the skin material constituting the base material portion may be separately formed by injection molding or the like by a conventional method and then laminated with an adhesive, or may be integrally formed by insert molding. Furthermore, these methods may be combined.
Similarly, the lid main body base portion to which the base portion is attached is also molded by injection molding or the like by a conventional method.
And the base material part which has the said cushion layer, and the laminated body of a skin material are pressed and deform | transformed from the skin part side, these are co-sewn with a sewing needle in the press deformation part, and a stitch is formed. After that, when the pressure is released and the deformation of the cushion layer is restored, the stitch portion is formed at the bottom of the concave groove by bending the cushion layer into a concave shape, and at the same time, a raised portion is formed around the stitch. Become. It is preferable that the concave groove is formed in a linear shape, and the stitch is also formed in a linear shape.
Then, this integrated laminated body is attached to a lid main body base material part. The attachment to the lid main body base part is preferably performed by a fixing claw of the base part and an attachment groove of the lid main body base part, but other methods such as adhesion may be used. It is preferable that a foam layer serving as a cushion portion is disposed on the lid body base material portion. The skin material is bonded onto the foam layer.

The skin material preferably covers the foam layer of the lid main body base portion, and is preferably extended by double stitching at an appropriate location such as a bent portion by a conventional method. When providing a double stitch, it is preferable to sew the skin material in advance for work.
As another method, a molded body having a concave shape is formed by injection molding or the like by using an elastomer resin resin base material that is particularly excellent in flexibility without the cushion layer in the base material portion. In addition, it is possible to manufacture an integrated body of the skin portion and the base material portion in which the concave portion is bent and sewed to form a stitch, and the bending is released to provide the same stitch as described above. This can be mounted on the lid main body base part to produce the decorative panel of the present invention.

Explanatory drawing of the armrest showing an example of the decorating panel of this invention (only the left half is shown among right-and-left symmetrical structures). FIG. 2 is a partially enlarged explanatory view of a stitch portion surrounded by a circle in FIG. 1. Explanatory drawing of the state which attached the armrest shown in FIG. 1 (only the left half is shown among right-and-left symmetrical structures). The figure explaining the structural member of the console lid which shows another example of the decorating panel of this invention. Explanatory drawing of the example which shows another example of the decorating panel of this invention, and provided two joint stitches with the base material part, the cushion part, and the skin part.

Explanation of symbols

1: skin material composed of skin and foam layer,
2: Cushion layer which is a deformable part constituting the base material part,
3: Base panel part constituting the base part,
4: Thin portion of the base panel,
5: Stitch part
6: Lid body base material (inner lid),
7: Foam layer on the lid body base material,
8: Skin sewing part (double stitch),
9: Indicates the load direction related to the armrest,
10: Base part fixing nail,
11: Groove into which the fixing claw of the base material part is inserted

Claims (7)

A thin base part into which a sewing needle can be inserted at least partially, and a resin base part part having a deformable part,
An epidermis portion covering the surface side of the base material portion;
A decorative panel provided with stitches for sewing together and sewing a base material portion and an outer skin portion,
The decorative panel according to claim 1, wherein the stitch is formed at the bottom of a groove having a concave shape with respect to the general surface of the skin portion. The decorative panel according to claim 1, wherein the base material portion includes a base panel portion and a cushion portion, and the deformable portion is a compressible deformable portion that is deformed when the cushion portion is pressed from the surface side. The decorative panel according to claim 1, wherein the base material portion is made of a flexible resin base material, and the deformable portion is a bendable deformable portion in which the flexible resin base material is bent and deformed from the surface side. The decorative panel according to any one of claims 1 to 3, wherein the concave groove is a linear groove, and the stitch is formed in a linear shape along a linear bottom portion of the linear groove. The decorative panel according to any one of claims 1 to 4, wherein the groove has a substantially V-shaped cross section. A decorative box in which the decorative panel according to claim 1 is attached to the surface side of the lid. It has a thin-walled portion through which a sewing needle can be inserted at least in part, a resin base material portion having a deformable portion, a skin portion covering the base material portion, and a concave shape with respect to the general surface of the skin portion. A method for producing a decorative panel having a stitch at the bottom of a groove,
A first step of covering the base material with a skin portion, and deforming this by pressing or bending the deformable portion from the skin portion side;
A second step of forming a stitch by co-sewing the base portion and the skin portion with a sewing needle at the pressed portion or the bent portion;
And a third step of releasing the pressing or bending force to restore deformation and forming a raised portion around the stitch.

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