Skin material and conveyance seat

• US 10,577,735 B2
• Filed: 01/16/2018
• Issued: 03/03/2020
• Est. Priority Date: 02/15/2017
• Status: Active Grant

• Current Assignee: TS Tech Company Limited
• Original Assignee: TS Tech Company Limited
• Inventors: Honma, Yuichi, Ogawa, Tatsuro, Kojima, Takashi
• Primary Examiner(s): Kim, Shin H
• Application Number:
  US15/872,420
• Publication Number:
  US 20180230632A1
• Time in Patent Office: 777 Days
• CPC Class Codes: B60N 2/5891 characterised by the manufacturing process; manufacturing seat coverings not otherwise provided for
• CPC Class Codes: D04H 3/105 by needling needling machines D04H18/00
• CPC Class Codes: D04H 5/03 by fluid jet
• CPC Class Codes: D04H 5/06 strengthened or consolidated by welding-together thermoplastic fibres, filaments, or yarns
• CPC Class Codes: D05B 1/02 for making single-thread seams
• CPC Class Codes: D05B 21/00 Sewing machines with devices for automatically controlling movement of work-carrier relative to stitch-forming mechanism in order to obtain particular configuration of seam, e.g. programme-controlled for sewing collars, for attaching pockets
• CPC Class Codes: D05B 29/06 Presser feet
• CPC Class Codes: D06C 15/00 Calendering, pressing, ironing, glossing or glazing textile fabrics for making patterns or designs D06C23/00
• CPC Class Codes: D06C 29/005 hydroentangling
• CPC Class Codes: D06C 7/00 Heating or cooling textile fabrics
• CPC Class Codes: D10B 2505/08 Upholstery, mattresses
• CPC Class Codes: D10B 2505/12 Vehicles D10B2505/08 takes precedence

Abstract

It is intended to improve texture of a decoration using a stitch line while improving workability in sewing for forming the stitch line at a skin material, to promote manufacturing efficiency as compared to formation of a stepped shape only by sewing, and to reduce the number of steps. A skin material is used for a conveyance seat, and is molded using a die. The skin material includes a linearly-extending stepped portion having a stepped shape transferred from the die, and a stitch line sewn along the stepped portion. The stepped portion serves as a guide upon formation of the stitch line.

Claims

1. A skin material used for a conveyance seat and molded using a die, comprising:

a linearly-extending transferred extension having a stepped shape transferred from the die;

a stitch line sewn along the transferred extension; and

a seal material configured to cover, from a back side, a sewing hole formed by the stitch line,

wherein the transferred extension serves as a guide upon formation of the stitch line, and

a sewing thread of the stitch line is sewn around a front surface and a back surface of a single skin material.

2. The skin material according to claim 1, wherein

a thickness of the transferred extension and a periphery thereof is a constant thickness.

3. The skin material according to claim 1, wherein

the transferred extension is formed in a vicinity of a standing wall of the conveyance seat.

4. The skin material according to claim 1, wherein

the stitch line is formed on one side with respect to the transferred extension.

5. The skin material according to claim 1, wherein

the stitch line is formed at a portion formed continuously to a lower side of the stepped shape of the transferred extension.

6. The skin material according to claim 1, wherein

the seal material covers the stitch line to extend over the transferred extension.

7. A conveyance seat comprising:

the skin material according to claim 1.

8. A skin material used for a conveyance seat and molded using a die, comprising:

a transferred extension that extends linearly and comprises a stepped portion having a stepped shape transferred from the die;

a stitch line sewn along the stepped portion;

an upper step generally horizontally extending from an upper side of the stepped portion;

a lower step extending from a lower side of the stepped portion and vertically shifted from the upper step,

wherein

the transferred extension serves as a guide upon formation of the stitch line, and

the stitch line is provided at the lower step,

a stitched portion of the skin material at which the stitch line is sewn and a portion of the skin material around the stitched portion are portions of a single skin material.

9. The skin material according to claim 8, wherein

a thickness of the stitched portion and a thickness of the portion around the stitched portion are same.

10. The skin material according to claim 8, wherein

the stepped portion is formed in a vicinity of a standing wall of the conveyance seat.

11. The skin material according to claim 8, wherein

the stitch line is formed on one side with respect to the stepped portion.

12. The skin material according to claim 8, further comprising:

a seal material configured to cover, from a back side a sewing hole formed by the stitch line.

13. The skin material according to claim 12, wherein

the seal material covers the stitch line to extend over the stepped portion.

14. A conveyance seat comprising:

the skin material according to claim 8.