WO2017047155A1 - Siège de véhicule et procédé de fabrication de siège de véhicule - Google Patents

Siège de véhicule et procédé de fabrication de siège de véhicule Download PDF

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Publication number
WO2017047155A1
WO2017047155A1 PCT/JP2016/063781 JP2016063781W WO2017047155A1 WO 2017047155 A1 WO2017047155 A1 WO 2017047155A1 JP 2016063781 W JP2016063781 W JP 2016063781W WO 2017047155 A1 WO2017047155 A1 WO 2017047155A1
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WO
WIPO (PCT)
Prior art keywords
seat
vehicle seat
manufacturing
trim cover
wadding
Prior art date
Application number
PCT/JP2016/063781
Other languages
English (en)
Japanese (ja)
Inventor
秀樹 鎌田
文 佐々木
拓美 平野
Original Assignee
株式会社タチエス
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社タチエス filed Critical 株式会社タチエス
Publication of WO2017047155A1 publication Critical patent/WO2017047155A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/58—Seat coverings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B68—SADDLERY; UPHOLSTERY
    • B68G—METHODS, EQUIPMENT, OR MACHINES FOR USE IN UPHOLSTERING; UPHOLSTERY NOT OTHERWISE PROVIDED FOR
    • B68G7/00—Making upholstery

Definitions

  • the present invention relates to a vehicle seat, and more particularly, to a technique effective when applied to a design (design) on a trim cover.
  • Vehicle seats such as automobile seats are required to have various functions such as safety, holdability, and getting on and off (ease of getting on and off), and at the same time, there are many demands for improving passenger comfort such as sitting comfort and vibration absorption performance. In addition, it is a large part that attracts attention among the interior parts of automobiles, and there are various demands on its appearance and design.
  • a trim cover which is a seat cover
  • processing such as embroidery is performed in a state of a cut piece before sewing the trim cover, for example, by sewing.
  • Patent Document 1 states that “a trim having a predetermined shape on the surface side by scraping a desired thickness according to a predetermined pattern from the back side of the leather used as the skin material, and bending and deforming the thin wall portion. "Cover" is disclosed.
  • Patent Document 2 discloses “an automobile seat in which a mesh string is formed by arranging pattern strings in a line shape in a substantially cross state”.
  • Patent Document 3 states that “a leather material with a three-dimensional pattern is prepared in the preparation process, and in the shape-retaining treatment process, the leather material is exposed to a predetermined heating steam and has a core on the back side.
  • a method of processing a three-dimensional pattern of a leather material in which a ground is pasted and the surface side of the leather material is placed on a flat support surface having elasticity and pressed from the upper surface of the interlining is disclosed.
  • each trim cover is subject to variations due to variations in the cutting of the skin material and variations in the cut piece during sewing. There is also a risk that the design will shift.
  • the manufacturing method of the trim cover of Patent Document 1 is to form a wrinkle pattern on the surface of the skin material.
  • the degree of freedom in design (design) design since it is necessary to scrape a part of the back surface side of the skin material, the degree of freedom in design (design) design.
  • it is disadvantageous for suppressing the manufacturing cost and shortening the lead time.
  • Patent Document 2 The skin pattern structure of Patent Document 2 described above can form a novel mesh weaving line, but the work is complicated, and it is also disadvantageous for suppressing the manufacturing cost and shortening the lead time.
  • Patent Document 3 Since the three-dimensional pattern processing method of Patent Document 3 processes a three-dimensional pattern in advance in the preparation process, there is a risk that the three-dimensional pattern formed in the preparation process may lose shape before the shape-retaining treatment is performed. It is unsuitable for manufacturing mass-produced products such as automobile seats that require a small and uniform quality. Further, it is necessary to prepare a flat support surface having elasticity, which is disadvantageous in terms of manufacturing cost and lead time.
  • an object of the present invention is to provide a vehicle seat having a highly durable three-dimensional pattern on its surface that is not easily deformed.
  • Another object of the present invention is to provide a method for manufacturing a vehicle seat having a three-dimensional pattern that has a high degree of freedom in design (design) and has little influence on sitting comfort while suppressing an increase in manufacturing cost and lead time. There is to do.
  • the present invention provides a seat cushion that serves as a seat surface portion of a seat, a seat back that is provided on the back side of the seat cushion and serves as a backrest portion of the seat, and a head and neck of an occupant.
  • a vehicle seat having a protective headrest, wherein at least one of the seat cushion, the seat back, and the headrest is provided with a pattern made of a concave groove in the trim cover, In at least the place where the pattern is applied, the laminated material is composed of a wadding, a hot-melt adhesive, and a skin material in order from the lower layer.
  • the present invention also includes (a) a step of preparing a laminated material by laminating a wadding, a hot melt adhesive, and a skin material in order from the lower layer, and (b) a pressing mold on which a desired pattern is formed.
  • a method for manufacturing a vehicle seat comprising: pressing from the side to pressurize the laminated material; and (c) heating the pressurizing part while pressing the laminated material.
  • the present invention also includes (a) a step of preparing a trim cover made of a laminated material of a wadding and a skin material, and (b) a back base fabric material via a hot-melt adhesive on the wadding side surface of the trim cover. A step of overlapping, (c) a step of pressing the trim cover by pressing a pressing die on which a desired pattern is formed from the skin material side of the trim cover, and (d) a state where the trim cover is pressed. And a step of heating the pressurizing unit.
  • FIG. 3 is a view showing a cross section taken along line A-A ′ in FIG. 2. It is a figure which shows notionally a part of manufacturing process of the vehicle seat which concerns on one Embodiment of this invention. It is a figure which shows notionally a part of manufacturing process of the vehicle seat which concerns on one Embodiment of this invention. It is a figure which shows notionally a part of manufacturing process of the vehicle seat which concerns on one Embodiment of this invention. It is a figure which shows notionally a part of manufacturing process of the vehicle seat which concerns on one Embodiment of this invention.
  • FIG. 8 is a view in which a lattice-like sewing sewing (embroidery) 15 is applied to the surface of a cut piece of a skin material used for an automobile seat.
  • embroidery lattice-like sewing sewing
  • a pattern is formed on the surface of the seat, as shown in FIG. 8, it is general that the cut piece of the skin material 9 is directly subjected to sewing (embroidery) and processed.
  • This method is suitable for forming a planar pattern on the surface of an automobile seat.
  • a plurality of patterns are stored in advance in a computer sewing machine, and a desired pattern (pattern) is selected.
  • a pattern is formed by sewing (embroidery) 15 on the surface of the skin material 9.
  • FIG. 1 is a perspective view showing an overall outline of a vehicle seat 1 of the present embodiment.
  • FIG. 2 is an enlarged view of the seat back 3 where the pattern (groove) 6 in FIG. 1 is formed.
  • FIG. 3 is an enlarged view of a cross section taken along the line A-A ′ of FIG. 2.
  • the vehicle seat 1 is provided with a seat cushion 2 serving as a seat surface portion of a seat on a seat frame (not shown).
  • a seat back 3 serving as a seat back portion is provided via a reclining mechanism (not shown).
  • a headrest 4 that protects the occupant's head and neck is provided on the upper portion of the seat back 3.
  • Side supports 5 are provided on both sides of the seat cushion 2 to support the occupant's thigh from the lateral direction when sitting.
  • a pattern 6 made of a concave groove is formed on the upper side of the seat back 3.
  • a lattice-like pattern is used as an example of the pattern 6, but the present invention is not limited to this.
  • a circular pattern or a fixed pattern is regularly arranged. It is also possible to replace with a geometric pattern or the like.
  • the pattern 6 will be described in detail with reference to FIG.
  • the pattern 6 is formed as a concave groove (dent) in the wadding 8 and the skin material 9 that are the batting of the trim cover.
  • the wadding 8 and the skin material 9 are bonded to each other with a hot-melt adhesive 10 such as hot melt.
  • the skin material 9 is made of a leather-based material such as genuine leather or synthetic leather, or a cloth-based material such as knitted fabric or woven fabric.
  • the hot-melt adhesive 10 is an adhesive mainly composed of a thermoplastic resin such as ethylene vinyl acetate (Ethylene-Vinyl-Acetate). It is a material that is solid or semi-solid at normal temperature and becomes liquid at high temperature. Depending on the material and components, it is heated and melted at about 50 ° C. to 200 ° C., and then solidified by cooling to function as an adhesive.
  • a thermoplastic resin such as ethylene vinyl acetate (Ethylene-Vinyl-Acetate). It is a material that is solid or semi-solid at normal temperature and becomes liquid at high temperature. Depending on the material and components, it is heated and melted at about 50 ° C. to 200 ° C., and then solidified by cooling to function as an adhesive.
  • the wadding 8 and the skin material 9 in which concave grooves (dents) are formed constitute a trim cover that serves as a seat cover for a vehicle seat.
  • the trim cover at a location where at least a concave groove (dent) is formed is formed of a laminated material of a wadding, a hot-melt adhesive, and a skin material in order from the lower layer.
  • a back base fabric material 7 serving as a core material of the trim cover is further bonded to the lower layer of the wadding 8 via a hot-melt adhesive 10. Yes.
  • FIG. 4 is a diagram conceptually showing a method for forming the pattern 6 in this embodiment.
  • 5A and 5B are views showing FIG. 4 divided in the order of steps.
  • a pressing die 11 on which a desired pattern is formed is pressed against the laminated material consisting of three layers of a wadding 8, a hot-melt adhesive 10 and a skin material 9 from the skin material 9 side.
  • the heated steam 13 is supplied from the steam nozzle 12 while the pressurized state is maintained, and the adhesive 10 is melted so that the wadding 8 and the skin material 9 are bonded to each other while the wadding 8 and the skin material 9 are recessed.
  • a shaped groove (recess) is formed. This concave groove (dent) is a pressurization mark by the pressing die 11.
  • the skin material 9 is pressed by the pressing die 11 and heated by the heating steam 13 in the state of the cut piece.
  • a laminated material is prepared by overlapping three layers of a wadding 8, a hot-melt adhesive 10, and a skin material 9, and the pressing die 11 is pressed from the skin material 9 side with a predetermined pressure.
  • the heated steam 13 is supplied from the steam nozzle 12 to the pressurizing portion while maintaining the state pressed by the pressing die 11.
  • the hot-melt adhesive 10 is melted by the heating steam 13, the adhesive 10 is cooled by stopping the supply of the heating steam 13, and the wadding 8 and the skin material 9 are bonded to each other.
  • a concave groove (dent) is formed in the wading 8 and the skin material 9 while the wadding 8 and the skin material 9 are bonded to each other.
  • the present embodiment it is possible to form a highly durable three-dimensional pattern on the surface of the trim cover.
  • a three-dimensional pattern can be formed on the trim cover by a simple method without requiring expensive capital investment such as a computer sewing machine, the degree of freedom in design (design) design is suppressed while suppressing an increase in manufacturing cost and lead time. It is possible to manufacture a vehicle seat having a three-dimensional pattern that is high and has little effect on sitting comfort.
  • heating at 50 ° C. to 200 ° C. which is the melting temperature of the adhesive 10 may be performed by other heating means.
  • FIG. 6 is a diagram conceptually showing a method for forming the pattern 6 in this embodiment.
  • 7A and 7B are diagrams showing FIG. 6 divided in the order of steps.
  • a trim cover 14 composed of a wadding 8 and a skin material 9 is prepared in a separate process in advance, and a core is placed under the wadding 8 via a hot-melt adhesive 10.
  • the backing base fabric material 7 as a material is overlapped, and a pressing die 11 on which a desired pattern is formed is pressed from the skin material 9 side and pressed.
  • the heating steam 13 is supplied from the steam nozzle 12 to melt the adhesive 10, thereby bonding the wadding 8 and the back base fabric material 7, and the wadding 8 and the skin.
  • a concave groove (dent) is formed in the material 9.
  • the trim cover 14 is formed by trimming a trim cover in accordance with a sheet shape by sewing a cut piece, and then superposing the hot-melt adhesive 10 and the back base fabric material 7 to form a press die 11. Pressing by heating and heating by the heating steam 13 are performed.
  • the back base fabric material is provided on the back surface side of the trim cover 14 made of the wadding 8 and the skin material 9 prepared in a separate process in advance, that is, on the front surface side of the wadding 8 via a hot-melt adhesive 10. 7 are overlapped and pressed from the skin material 9 side by a pressing die 11 with a predetermined pressure.
  • heating steam 13 is supplied from the steam nozzle 12 to the pressurizing portion while maintaining the state of being pressed by the pressing die 11.
  • the hot-melt type adhesive material 10 is melted by the heating steam 13, the adhesive material 10 is cooled by stopping the supply of the heating steam 13, and the wadding 8 and the backing cloth material 7 are bonded to each other.
  • concave grooves (dents) are formed in the wadding 8 and the skin material 9 while the trim cover 14 and the back base fabric material 7 are bonded to each other.
  • the present embodiment as in the first embodiment, it is possible to form a highly durable three-dimensional pattern on the surface of the trim cover.
  • a three-dimensional pattern can be formed on the trim cover by a simple method without requiring expensive capital investment such as a computer sewing machine, the degree of freedom in design (design) design is suppressed while suppressing an increase in manufacturing cost and lead time. It is possible to manufacture a vehicle seat having a three-dimensional pattern that is high and has little effect on sitting comfort.
  • the wadding 8 and the skin material 9 are pressed by the pressing die 11 and heated by the heating steam 13. Since the concave groove (depression) is formed in the pattern, it is possible to prevent the displacement of the pattern due to the deviation generated when the cutting piece is sewn, that is, the depression of the concave groove (depression).
  • Example 1 it is more preferable to press the laminated material by the pressing die 11 before supplying the heating steam 13 to the pressurizing unit. Further, instead of heating with the heating steam 13, heating at 50 ° C. to 200 ° C. which is the melting temperature of the adhesive 10 may be performed by other heating means.
  • the heating steam 13 may be supplied from either the front surface side or the back surface side of the skin material 9.
  • the skin material 9 is a leather-based material such as genuine leather or synthetic leather
  • the skin material 9 is a cloth-type material such as a knitted fabric or a woven fabric
  • the heating steam 13 is likely to pass through the skin material 9, and may be supplied from either the front surface side or the back surface side of the skin material 9.
  • the bonding between the wadding 8 and the skin material 9 may be performed using a hot-melt adhesive 10.
  • Other adhesive materials may be used.
  • the design is described using an example in which the design is formed on the seat back.
  • the design can be applied to parts other than the seat back such as a seat cushion, a headrest, and an armrest.
  • this invention is not limited to the above-mentioned Example, Various modifications are included.
  • the above-described embodiments have been described in detail for easy understanding of the present invention, and are not necessarily limited to those having all the configurations described.
  • a part of the configuration of one embodiment can be replaced with the configuration of another embodiment, and the configuration of another embodiment can be added to the configuration of one embodiment.
  • SYMBOLS 1 Vehicle seat, 2 ... Seat cushion, 3 ... Seat back, 4 ... Headrest, 5 ... Side support, 6 ... Pattern (groove), 7 ... Back base material, 8 ... Wadding (batting), 9 ... Skin material, DESCRIPTION OF SYMBOLS 10 ... Adhesive material, 11 ... Push type, 12 ... Steam nozzle, 13 ... Heated steam, 14 ... Trim cover, 15 ... Sewing machine sewing (embroidery).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Manufacturing & Machinery (AREA)
  • Seats For Vehicles (AREA)

Abstract

L'invention concerne un siège de véhicule présentant une surface comprenant un motif tridimensionnel résistant à la déformation et présentant une durabilité élevée. L'invention concerne également un procédé de fabrication de sièges de véhicule présentant un motif tridimensionnel de sorte qu'il existe un degré élevé de flexibilité dans la conception avec moins d'influence sur le confort d'assise et de sorte que l'augmentation des coûts de fabrication et du délai de production soit supprimée. Le siège de véhicule comprend : un coussin de siège qui sert de surface d'assise du siège ; un dossier de siège qui est disposé sur l'arrière du coussin de siège et qui sert de dossier du siège ; et un appui-tête qui protège la tête et le cou d'un occupant. Le siège de véhicule selon l'invention est caractérisé en ce que le coussin de siège, le dossier de siège et/ou l'appui-tête comprennent un habillage doté d'un motif composé de rainures évidées, et en ce que l'habillage, au moins dans un endroit où ledit motif est appliqué, est formé d'un matériau stratifié qui comprend un rembourrage, un matériau adhésif thermofusible et un matériau de revêtement dans cet ordre à partir de la couche de fond.
PCT/JP2016/063781 2015-09-15 2016-05-09 Siège de véhicule et procédé de fabrication de siège de véhicule WO2017047155A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015-181569 2015-09-15
JP2015181569A JP6587473B2 (ja) 2015-09-15 2015-09-15 車両用シートおよび車両用シートの製造方法

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WO2017047155A1 true WO2017047155A1 (fr) 2017-03-23

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6632440B2 (ja) * 2016-03-22 2020-01-22 株式会社タチエス 車両用シート及びその製造方法
JP7119934B2 (ja) * 2018-11-15 2022-08-17 トヨタ紡織株式会社 表皮材

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57175313A (en) * 1981-04-23 1982-10-28 Ikeda Bussan Co Molding of trim cover
JPS61151600U (fr) * 1985-03-12 1986-09-19
JP2005261581A (ja) * 2004-03-17 2005-09-29 Achilles Corp 座席用シート材
JP2012217713A (ja) * 2011-04-12 2012-11-12 Nhk Spring Co Ltd クッション体及びその製造方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57175313A (en) * 1981-04-23 1982-10-28 Ikeda Bussan Co Molding of trim cover
JPS61151600U (fr) * 1985-03-12 1986-09-19
JP2005261581A (ja) * 2004-03-17 2005-09-29 Achilles Corp 座席用シート材
JP2012217713A (ja) * 2011-04-12 2012-11-12 Nhk Spring Co Ltd クッション体及びその製造方法

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JP2017056773A (ja) 2017-03-23
JP6587473B2 (ja) 2019-10-09

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