WO2021153998A1 - Procédé de fabrication d'un couvercle de siège de véhicule - Google Patents

Procédé de fabrication d'un couvercle de siège de véhicule Download PDF

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Publication number
WO2021153998A1
WO2021153998A1 PCT/KR2021/001118 KR2021001118W WO2021153998A1 WO 2021153998 A1 WO2021153998 A1 WO 2021153998A1 KR 2021001118 W KR2021001118 W KR 2021001118W WO 2021153998 A1 WO2021153998 A1 WO 2021153998A1
Authority
WO
WIPO (PCT)
Prior art keywords
cover sheet
cushion member
vehicle seat
cover
manufacturing
Prior art date
Application number
PCT/KR2021/001118
Other languages
English (en)
Korean (ko)
Inventor
윤태철
Original Assignee
윤태철
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
Priority claimed from KR1020200106482A external-priority patent/KR102283611B1/ko
Application filed by 윤태철 filed Critical 윤태철
Publication of WO2021153998A1 publication Critical patent/WO2021153998A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/04—Dielectric heating, e.g. high-frequency welding, i.e. radio frequency welding of plastic materials having dielectric properties, e.g. PVC
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/02—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising animal or vegetable substances, e.g. cork, bamboo, starch
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • 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

Definitions

  • the present invention relates to a method for manufacturing a vehicle seat cover.
  • Vehicle seats require various functions such as safety, durability, and ease of getting on and off, and at the same time, there are also many demands to provide comfort to occupants such as seat comfort, breathability, and vibration absorption performance.
  • Such a vehicle seat occupies a large part among interior parts of a vehicle, and there are various demands for its appearance and design.
  • a vehicle seat cover may be coupled to the outside of the vehicle seat to satisfy the various functions required for the above-described vehicle seat, wherein the vehicle seat cover protects the vehicle seat from damage due to factors such as pollution, moisture, friction or strong sunlight. This can be prevented to improve durability.
  • the vehicle seat cover can select various materials and designs, thereby changing the overall atmosphere of the vehicle and accommodating various lifestyles of consumers.
  • An object of the present invention is to provide a method for manufacturing a vehicle seat cover for manufacturing a vehicle seat cover in which a cover sheet and a cushion member are fused together according to a shape of a design pattern using a mold on which a design pattern is formed.
  • the steps of providing a cushion member including an adhesive film laminating the cover sheet on the cushion member so that the adhesive film is interposed between the cover sheet and the cushion member, the cover with a template having a design pattern formed therein
  • a method for manufacturing a vehicle seat cover comprising the steps of pressing a seat and a cushion member and applying a high-frequency current to a formwork to fusion-bond the cover seat and the cushion member.
  • the formwork may form a design in the shape of a sewing stitch on the cover sheet.
  • the formwork may include a plurality of protrusions and a recess disposed between the plurality of protrusions.
  • the concave portion is formed in a curved surface, and may increase in width from both ends to the central portion.
  • the step of pressing the cover sheet and the cushion member and the step of fusing the cover sheet and the cushion member may change the roughness and glossiness of the surface of the cover sheet corresponding to the design pattern differently.
  • the vehicle seat cover manufacturing method may further include printing a color layer on the cover sheet to correspond to the design pattern of the formwork.
  • the adhesive film may be formed of a urethane-based hot melt film.
  • the formwork may form an embossed shape by pressing and fusing the cover sheet and the cushion member according to a design pattern.
  • a plurality of through holes may be formed in the cover sheet.
  • a plurality of design patterns of different heights may be formed on the formwork.
  • a vehicle seat cover in which the cover sheet and the cushion member are fusion-bonded according to the shape of the design pattern by using the form in which the design pattern is formed.
  • FIG. 1 is a view showing a vehicle seat cover manufactured by a vehicle seat cover manufacturing method according to an embodiment of the present invention.
  • FIG. 2 is a photograph showing a vehicle seat cover manufactured by the method for manufacturing a vehicle seat cover according to an embodiment of the present invention.
  • FIG. 3 is a process diagram illustrating a method for manufacturing a vehicle seat cover according to an embodiment of the present invention.
  • FIG. 4 is a photograph showing a color layer of a vehicle seat cover manufactured by a method for manufacturing a vehicle seat cover according to an embodiment of the present invention.
  • FIG. 5 is a cross-sectional view illustrating a vehicle seat cover manufactured by a method for manufacturing a vehicle seat cover according to an embodiment of the present invention.
  • FIGS. 6 and 7 are views illustrating a form used in a method for manufacturing a vehicle seat cover according to an embodiment of the present invention.
  • FIG 8 and 9 are views illustrating a vehicle seat cover manufactured by a method for manufacturing a vehicle seat cover according to another embodiment of the present invention.
  • the term "coupling” does not mean only when there is direct physical contact between each component, but another component is interposed between each component, so that the component is in the other component. It should be used as a concept that encompasses even the cases in which each is in contact.
  • a cushion member including an adhesive film
  • laminating the cover sheet on the cushion member so that the adhesive film is interposed between the cover sheet and the cushion member, the cover sheet as a mold in which a design pattern is formed
  • a method for manufacturing a vehicle seat cover which includes pressing a cushion member and applying a high-frequency current to a formwork to fusion-bond the cover seat and the cushion member.
  • the vehicle seat cover manufactured by the method of manufacturing the vehicle seat cover of the present embodiment is formed by fusion bonding the cover sheet 110 and the cushion member 120 using a mold 140 on which a design pattern is formed, so that the fusion region 10 is a design pattern.
  • a vehicle seat cover in which the cover sheet 110 and the cushion member 120 are fused according to the shape may be manufactured.
  • the step of providing the cushion member 120 including the adhesive film 130 may be performed.
  • a cover sheet 110 may also be provided in this step.
  • a step of laminating the cover sheet 110 on the cushion member 120 so that the adhesive film 130 is interposed between the cover sheet 110 and the cushion member 120 may be performed.
  • a color layer 20 corresponding to the design pattern formed on the form 140 may be formed on the cover sheet 110 stacked on the cushion member 120 , and as shown in FIG. 3 , the cushion member 120 .
  • the step of forming the color layer 20 on the cover sheet 110 may be performed before being laminated thereon.
  • the method may further include forming a plurality of through holes 112 in the cover sheet 110 as shown in FIGS. 1 and 2 .
  • the plurality of through-holes 112 may improve air permeability of the vehicle seat cover manufactured according to the present embodiment.
  • the step of pressing the cover sheet 110 and the cushion member 120 with the formwork 140 on which the design pattern is formed may be performed, and the formwork 140 may be formed with the cover sheet ( 110) and the cushion member 120 are pressed, a step of fusion-bonding the cover sheet 110 and the cushion member 120 by applying a high-frequency current to the formwork 140 may be performed.
  • the step of high-frequency welding of the cover sheet 110 and the cushion member 120 by applying a high-frequency current to the formwork 140 is compared to thermal welding of the cover sheet 110 by directly applying heat to the cover sheet 110. It has the advantage of preventing surface damage.
  • the cover sheet 110 may be disposed on the cushion member 120 and thermally fused to the cushion member 120 by the formwork 140 .
  • the cover sheet 110 may be made of artificial leather or natural leather containing at least one of poly urethane (PU) and polyvinyl chloride (PVC), and the material of the artificial leather or natural leather provides a visually luxurious feeling. can provide
  • the color layer 20 may be formed on the cover sheet 110 to correspond to the design pattern of the formwork 140 .
  • the shape of a sewing stitch to be described later formed on the cover sheet 110 by the color layer 20 may be more prominent.
  • a plurality of through holes 112 may be formed in the cover sheet 110 .
  • the plurality of through-holes 112 may improve air permeability of the vehicle seat cover manufactured according to the present embodiment.
  • an adhesive film 130 may be attached to one surface of the cushion member 120 .
  • the adhesive film 130 attached to one surface of the cushion member 120 may fusion-bond the cushion member 120 and the cover sheet 110 by heat generated due to the high-frequency current applied to the mold 140 . This method is called high-frequency fusion.
  • high-frequency welding is widely used for bonding PVC and PU products, and products manufactured by this high-frequency welding method include stationery, toys, tents, shoes, and medical products.
  • the cushion member 120 may be made of a sponge, and may be formed to have a predetermined thickness or more to provide a cushioning feeling.
  • the cushion member 120 may have a space formed between the fibers due to the nature of the material, so that air permeability may be improved.
  • the adhesive film 130 may be made of a urethane-based hot melt film, melted by heat to a molten state, may adhere the cushion member 120 and the cover sheet 110 , and may then be cured simultaneously with cooling. Even after curing, isocyanate groups may react with moisture in the atmosphere to cure and have thermosetting properties.
  • the adhesive film 130 may have a sparse fibrous structure like a nonwoven fabric, so that air may flow between the adhesive films 130 .
  • the formwork 140 may have a design pattern formed therein, press the cover sheet 110 and the cushion member 120, and a high-frequency current is applied to the cover sheet 110 ) and the cushion member 120 may be fused.
  • the form 140 has a plurality of protrusions 142 and a plurality of protrusions 142 to form a design of a sewing stitch shape on the cover sheet 110 as shown in FIGS. 1 and 2 .
  • ) may include a concave portion 144 disposed between.
  • the plurality of protrusions 142 may be disposed to be spaced apart from each other by a certain distance, and the concave portions 144 may be formed in a curved surface between the plurality of protrusions 142 , and the concave portions 144 may have both ends. It may be formed in a shape in which the width is widened from the to the central part. By this shape, a sewing stitch shape may be formed on the surface of the cover sheet 110 as shown in FIGS. 1 and 2 , a portion into which the needle nose is inserted by the protrusion 142 , and the needle stitch by the concave portion 144 . A portion in which the thread appears to the outside may be formed.
  • the fusion region 10 similar to that in which the threads appear is the roughness and glossiness of the surface of the cover sheet 110 corresponding to the design pattern by the form 140 pressing the cover sheet 110 and generating heat by a high-frequency current.
  • the fusion region 10 formed on the cover sheet 110 may be changed smoothly by deforming the leather textured surface of the cover sheet 110 by the pressure and heat by the mold 140 , and accordingly, The gloss layer 30 may be formed as shown in FIG. 5 by increasing the gloss differently from the surface.
  • the fusion region 10 can be viewed more similarly to the shape of the sewing stitch.
  • a plurality of design patterns having different heights may be formed on the formwork 140 , and thus the shape of the fusion region 10 of the cover sheet 110 may appear in various ways. As shown in FIGS. 8 and 9 , the fusion region 10 of the vehicle seat cover may be formed by the form 140 .
  • the form 140 may have a first design pattern formed with a first height, and a second design pattern formed with a second height lower than the first height may be formed. Accordingly, the formwork 140 may press the cover sheet 110 and the cushion member 120 and form the first fusion surface 12 according to the first design pattern through the high frequency fusion step, and the second design pattern It is possible to form the second fusion surface 14 according to the.
  • the mold 140 of this embodiment may form an embossing shape by pressing and fusing the cover sheet 110 and the cushion member 120 according to the design pattern according to the design pattern of the mold 140 described above (Fig. 9).
  • the formwork 140 presses the cover sheet 110 and the cushion member 120 and simultaneously generates heat using a high-frequency current to change the shape of the cover sheet 110 and the cushion member 120 . Accordingly, the fusion region 10 to be fused is maintained in a compressed form in which the cover sheet 110 and the cushion member 120 are compressed, and parts other than the fusion region 10 are formed in a relatively inflated shape to cover An embossing shape may be formed on the seat 110 and the cushion member 120 .

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Seats For Vehicles (AREA)

Abstract

Selon un aspect de la présente invention, l'invention concerne un procédé de fabrication d'un revêtement de siège de véhicule, le procédé comprenant les étapes consistant à : fournir un élément de coussin comprenant un film adhésif ; empiler une feuille de couverture sur l'élément de coussin de telle sorte que le film adhésif est interposé entre la feuille de couverture et l'élément de coussin ; presser la feuille de couverture et l'élément de coussin au moyen d'un moule ayant un motif de conception formé à l'intérieur de celui-ci ; et appliquer un courant haute fréquence au moule pour fusionner la feuille de couverture et l'élément de coussin.
PCT/KR2021/001118 2020-01-28 2021-01-28 Procédé de fabrication d'un couvercle de siège de véhicule WO2021153998A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20-2020-0000344 2020-01-28
KR20200000344 2020-01-28
KR10-2020-0106482 2020-08-24
KR1020200106482A KR102283611B1 (ko) 2020-01-28 2020-08-24 차량 시트 커버 제조 방법

Publications (1)

Publication Number Publication Date
WO2021153998A1 true WO2021153998A1 (fr) 2021-08-05

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PCT/KR2021/001118 WO2021153998A1 (fr) 2020-01-28 2021-01-28 Procédé de fabrication d'un couvercle de siège de véhicule

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WO (1) WO2021153998A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023154834A1 (fr) * 2022-02-11 2023-08-17 Adient Us Llc Siège de véhicule et procédé de fabrication du siège de véhicule

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101619795B1 (ko) * 2014-12-30 2016-05-23 (주)세계화성 볼륨 시트 커버 및 그 제조 방법
KR20160124090A (ko) * 2014-01-31 2016-10-26 가부시끼가이샤 타치에스 차량용 시트 및 차량용 시트의 제조 방법
KR20170122396A (ko) * 2016-04-27 2017-11-06 대원화성 주식회사 자동차용 시트 커버 및 그 제조방법
KR20180104552A (ko) * 2017-03-13 2018-09-21 (주)엘지하우시스 자동차용 시트커버 및 이의 제조방법
JP2019218658A (ja) * 2018-06-20 2019-12-26 大日本印刷株式会社 離型シートおよび樹脂製物品

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160124090A (ko) * 2014-01-31 2016-10-26 가부시끼가이샤 타치에스 차량용 시트 및 차량용 시트의 제조 방법
KR101619795B1 (ko) * 2014-12-30 2016-05-23 (주)세계화성 볼륨 시트 커버 및 그 제조 방법
KR20170122396A (ko) * 2016-04-27 2017-11-06 대원화성 주식회사 자동차용 시트 커버 및 그 제조방법
KR20180104552A (ko) * 2017-03-13 2018-09-21 (주)엘지하우시스 자동차용 시트커버 및 이의 제조방법
JP2019218658A (ja) * 2018-06-20 2019-12-26 大日本印刷株式会社 離型シートおよび樹脂製物品

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023154834A1 (fr) * 2022-02-11 2023-08-17 Adient Us Llc Siège de véhicule et procédé de fabrication du siège de véhicule

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