WO2016163158A1 - Joint d'étanchéité et son procédé de fabrication - Google Patents

Joint d'étanchéité et son procédé de fabrication Download PDF

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Publication number
WO2016163158A1
WO2016163158A1 PCT/JP2016/054496 JP2016054496W WO2016163158A1 WO 2016163158 A1 WO2016163158 A1 WO 2016163158A1 JP 2016054496 W JP2016054496 W JP 2016054496W WO 2016163158 A1 WO2016163158 A1 WO 2016163158A1
Authority
WO
WIPO (PCT)
Prior art keywords
gasket
carrier film
main body
mold
shape
Prior art date
Application number
PCT/JP2016/054496
Other languages
English (en)
Japanese (ja)
Inventor
秀寿 佐宗
蔵野　慶宏
隆之 堀本
哲也 浦川
健一 大場
拓朗 西村
元 由井
林　隆浩
Original Assignee
Nok株式会社
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 JP2015249637A external-priority patent/JP6629066B2/ja
Application filed by Nok株式会社 filed Critical Nok株式会社
Priority to EP16776327.5A priority Critical patent/EP3282151B1/fr
Priority to CA2982056A priority patent/CA2982056C/fr
Priority to CN201680007671.8A priority patent/CN107208797B/zh
Priority to US15/565,080 priority patent/US10350799B2/en
Priority to KR1020177031246A priority patent/KR102479443B1/ko
Publication of WO2016163158A1 publication Critical patent/WO2016163158A1/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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/02—Details
    • H01M8/0271—Sealing or supporting means around electrodes, matrices or membranes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the present invention relates to a gasket according to a sealing technology and a method of manufacturing the same.
  • the gasket of the present invention is used, for example, as a gasket for a fuel cell or as a general gasket for other applications.
  • the gaskets for fuel cells include a rubber-only type gasket consisting of a single piece of gasket made of rubbery elastic body (rubber), a separator integrated gasket integrally formed with a gasket made of rubbery elastic body with a separator, a gasket made of rubbery elastic body
  • gaskets of various configurations such as a GDL integrated gasket integrally formed on a GDL (gas diffusion layer).
  • the rubber only type gasket is configured, for example, as shown in FIG.
  • the entire gasket 11 is flat (flat), and the outer peripheral sealing portion 12 for sealing the entire reaction surface of the fuel cell is provided in the form of a flat rectangular frame. Further, since it is necessary to separate the reaction surface of the fuel cell and each manifold portion, the inner seal portion 13 is integrally molded on the inner side (each of the four corners) of the outer peripheral seal portion 12.
  • the cross-sectional shape of the gasket 11 is circular as shown in FIG. 9 (B).
  • the fuel cell gasket 11 generally has a planar outer diameter of about 400 mm ⁇ 300 mm, while its cross-sectional shape (wire diameter) is set as small as about 1 mm to several mm. Therefore, the gasket 11 alone is prone to twisting during transport and stacking, and its handling workability (handling performance) is not good.
  • the gasket of the present invention is characterized by comprising a combination of a rubber only type gasket body and a carrier film made of a resin film for holding the gasket body in a non-adhesive state (claims) 1).
  • the handling workability of the gasket is improved by holding the rubber-only type gasket body with the carrier film made of a resin film.
  • the gasket body and the carrier film are non-adhesive so that the gasket body can be removed from the carrier film during stacking.
  • the gasket body is flat (flat) and the carrier film made of a resin film is also flat (flat), the gasket can be firmly held by the carrier film simply by placing the gasket on the carrier film. There is a concern that it can not be held. Therefore, in order to cope with this, a solid portion of a shape deformed along the outer shape of the gasket main body is provided in a portion of the carrier film overlapping in plan with the gasket main body, and a part of the gasket main body is accommodated in the solid portion. It is preferable that the gasket body be positioned on a plane relative to the carrier film, so that the gasket body can be held firmly by the carrier film (claim 2).
  • the material of the carrier film is not particularly limited, but by using a film made of engineering plastic such as polyamide (PA) or polybutylene terephthalate (PBT), even if the gasket body adheres to the carrier film, the gasket body to the carrier It is easy to remove the film (claim 4).
  • PA polyamide
  • PBT polybutylene terephthalate
  • the gasket of the present invention is used, for example, as a gasket for a fuel cell. Since the fuel cell stack has a large number of stacked layers, the gasket is required to have a small thickness. Since the gasket having a small thickness is easily twisted, handling efficiency is not good. Therefore, in the field of a gasket for a fuel cell which is thin and easy to twist in this way, combining the gasket body with a carrier film made of a resin film to improve handling workability is extremely effective in enhancing the efficiency of the stacking operation. (Claim 5).
  • the gasket As a method of manufacturing the gasket, there is a process of clamping the mold in a state in which a planar carrier film is sandwiched in a parting portion of a mold for molding the gasket body, and molding the gasket body with the mold A step of forming a three-dimensional part by deforming a part of the carrier film in a plane along the inner surface of the mold cavity by material filling pressure, and opening the mold after molding the gasket body, simultaneously molding the gasket body and the carrier film simultaneously. And the process of taking out from.
  • the carrier film which was initially planar, has a high holding power because it is partially three-dimensionalized using molding material filling pressure and fitted with the gasket body at the three-dimensionalized portion (claims) 6).
  • the handling workability of the rubber only type gasket can be improved.
  • the present invention includes the following embodiments.
  • (1) The present invention relates to a gasket with a carrier film.
  • this gasket is a structure which can remove a carrier film after stacking.
  • (3) The stackability is improved by the carrier film.
  • Carrier film at the center or edge of the gasket is used for automatic conveyance during stacking assembly. Since the gasket is corrected by the carrier film, there is no twisting problem. The ability to remove the carrier film after stacking leads to a reduction in vehicle weight.
  • An engineering plastic such as polyamide (PA) or polybutylene terephthalate (PBT) is used as a carrier film.
  • a rubber single product (rubber-only gasket) is molded using a carrier film that can be deformed into a mold shape by mold temperature and molding pressure.
  • a single rubber has a sealing lip structure, which is formed on each of the upper surface of the film and the lower surface through the film, and which can seal in a more space-saving manner than the rectangular or O-ring cross section. provide. According to this configuration, since it is possible to form with a small cross section, it is possible to save more space than a rectangular or O-ring cross section. Since the product after molding (rubber-only gasket) is always on the carrier film, the handleability is greatly improved. By controlling the detachment and peeling of the gasket itself from the carrier film, it becomes easy to consider the automation of the line.
  • the film can be freely deformed in a shape along the mold shape, so the product shape is previously molded
  • the product is designed to be under-shaped, and the same shape is used for the mold shape.
  • the gasket 11 is constituted by a combination of a rubber only type gasket main body 21 and a carrier film 31 made of a resin film for holding the gasket main body 21 in an unbonded state.
  • the gasket body 21 is used as a gasket for a fuel cell.
  • the carrier film 31 is also referred to as a carrier sheet or a gasket holding member.
  • the gasket body 21 is formed into a flat shape (flat plate shape) as a whole by a predetermined rubber-like elastic body (for example, VMQ, PIB, EPDM, FKM, etc.), and seals around the reaction surface of the fuel cell all around.
  • the outer peripheral seal portion 22 is provided in the form of a flat rectangular frame.
  • the inner seal portion 23 is integrally formed on the inner side (each of the four corners) of the outer peripheral seal portion 22.
  • the inner seal portion 23 is in the form of a flat L-shape, so that the inner seal portion 23 and the outer peripheral seal portion 22 having the flat rectangular shape are connected at the intersection portion 29 forming a flat T-shape.
  • the cross-sectional shape of the gasket body 21 is circular as shown in FIG. 1 (B).
  • symbol 24 has shown the penetration part (space part) which penetrates the gasket main body 21 in the thickness direction.
  • the gasket main body 21 is formed into a flat rectangular shape as a whole, and its planar size is approximately 400 mm (longitudinal) ⁇ approximately 300 mm (lateral) in outer dimension, and its thickness, ie, wire diameter is approximately 1 mm.
  • the carrier film 31 is formed into a flat shape (flat shape) by a predetermined resin film, and is formed into a flat surface rectangular shape which is slightly larger than the gasket main body 21.
  • a resin film for example, a polypropylene film having a thickness of 0.2 mm is used, which is cut into a planar shape of the above-mentioned size and used.
  • the resin film in addition to polypropylene, general resin materials such as polyethylene and polystyrene can be used.
  • the thickness of the film depends on the wire diameter and cross-sectional shape of the gasket main body 21 and is preferably about 0.1 mm to 0.3 mm.
  • the gasket holding portion 32) is provided, and a part of the gasket main body 21 is accommodated in the three-dimensional portion 32.
  • the cross-sectional shape of the gasket body 21 is circular, so that the cross-sectional shape of the three-dimensional portion 32 is circular arc-shaped (semi-circular) correspondingly.
  • the lower half portion of the gasket main body 21 in the thickness direction is accommodated in a groove-shaped space portion 33 provided on the back surface side by providing the arc-shaped three-dimensional portion 32.
  • the gasket main body 21 is used as a gasket for a fuel cell, and the frame-like outer peripheral seal portion 22 having a flat rectangular shape, the inner seal portion 23 having a flat L shape, and the intersecting portion 29 having a flat T shape are integrated.
  • the three-dimensional part 32 of the carrier film 31 for holding the gasket main body 21 having such a shape has an outer peripheral seal holding part 32a in the form of a flat rectangular frame for holding the outer peripheral seal part 22;
  • An inner seal holding portion 32b having a flat L-shape for holding a flat surface and an intersection portion holding portion 32c having a flat T-shape for holding the intersection portion 29 are continuously provided on a plane.
  • the thickness (film thickness) of the three-dimensional portion 32 may be smaller than the thickness (film thickness) of a flat plate-like portion other than the three-dimensional portion 32 in the carrier film 31.
  • the thickness of the three-dimensional portion 32 is reduced as described above, the three-dimensional portion 32 is easily deformed and easily inverted in the film thickness direction. Therefore, the work of removing the carrier film 31 from the gasket main body 21 can be facilitated.
  • the fact that the solid portion 32 is inverted means that the solid portion 32 protruding in one of the film thickness directions is deformed so as to protrude in the other of the film thickness directions.
  • the gasket body 21 Since the gasket body 21 is not adhered to the carrier film 31, it can be removed from the carrier film 31 during stacking. However, as described later, when the gasket body 21 is formed in a state in which the carrier film 31 is inserted into a mold 41 (such as FIG. 4) for forming the gasket body 21, the formed gasket body 21 has adhesiveness. Due to this adhesive property, the gasket body 21 is in a state of being adhered to the carrier film 31. The adhesion is such that the adhesion is so small that it can be removed by the chucking device. Therefore, in this case, the rubber-only type gasket main body 21 is releasably adhered to the carrier film 31 made of a resin film, though it is not adhered. In order to easily peel off the tacky state, it is preferable to use a film made of an engineering plastic such as polyamide (PA) or polybutylene terephthalate (PBT) as the material of the carrier film 31.
  • PA polyamide
  • PBT polybutylene
  • the rubber-only type gasket main body 21 is held by the carrier film 31 made of a resin film, so the gasket main body 21 is less likely to twist when the gasket 11 is transported, and is easily transported. Further, since the gasket main body 21 is not adhered to the carrier film 31, the gasket main body 21 can be easily removed from the carrier film 31 at the time of stacking. Therefore, the handling workability of the gasket 11 can be improved.
  • the gasket main body 21 is positioned on the carrier film 31 in plan view. Therefore, since the gasket body 21 does not shift relative to the carrier film 31 when the gasket 11 is transported, the gasket body 21 can be firmly held by the carrier film 31.
  • the gasket main body 21 is used as a gasket for a fuel cell, and the frame-shaped outer peripheral seal portion 22 having a flat rectangular shape, the inner seal portion 23 having a flat L shape, and the intersecting portion 29 having a flat T shape
  • the three-dimensional portion 32 of the carrier film 31 holds the outer peripheral seal holding portion 32 a in the form of a flat rectangular frame for holding the outer peripheral seal portion 22, and the inner seal portion 23.
  • the carrier film 31 having a structure in which the solid portions 32 are arranged in the vertical and horizontal directions of a plane rectangle has a strength against bending deformation as compared with a carrier film consisting of only a flat plate.
  • the cross portion holding portion 32c having a flat T shape has high strength because the outer peripheral seal holding portion 32a and the inner seal holding portion 32b cross at a right angle. Therefore, the thin sheet carrier film 31 can have strength against bending deformation.
  • a seal lip 25 having an arc-shaped (semi-circular) cross section is integrally formed on the upper surface (full width) of the gasket main body 21 having a rectangular cross-section.
  • the lower half of the gasket main body 21 in the thickness direction is square in cross section, so the cross sectional shape of the three-dimensional part 32 is also square in cross section.
  • the seal lip 25 having an arc-shaped (semi-circular) cross section is integrally formed on the upper surface (full width) of the gasket main body 21 having a rectangular cross section.
  • a seal lip 26 having a circular arc shape (semicircular shape) in cross section is integrally formed.
  • the lower half portion of the gasket main body 21 in the thickness direction is a combination of a cross-sectional square and a circular arc (semi-circular), so the cross-sectional shape of the solid portion 32 is also a cross-sectional square and a circular arc It is a combination of
  • a seal lip 25 having a circular arc shape is integrally formed on the upper surface (full width) of the gasket main body 21 having a rectangular shape in cross section.
  • the three-dimensional part 32 is not provided in the carrier film 31, and the carrier film 31 is kept flat (flat). Even in this case, the gasket main body 21 is held by the carrier film 31, and if the gasket main body 21 has adhesiveness on its material, the gasket main body 21 adheres to the carrier film 31 over the entire width thereof. It is held by the carrier film 31 without being misaligned.
  • a seal lip 25 having an arc-shaped (semi-circular) cross section is integrally formed on the upper surface (full width) of the gasket main body 21 having a rectangular cross section. Is integrally molded.
  • the three-dimensional portion 32 of the carrier film 31 is superimposed on the overhanging portion 27 as illustrated, so that the gasket body 21 is held by the carrier film 31 as a whole.
  • the three-dimensional portion 32 is formed in a step-like shape in cross section.
  • the seal lip 25 having an arc-shaped (semi-circular) cross section is integrally formed on the upper surface (partial width) of the gasket main body 21 having a rectangular cross section.
  • a seal lip 26 having an arc shape (semicircular shape) in cross section is integrally formed with the part width).
  • the lower half portion of the gasket main body 21 in the thickness direction is a combination of a cross-sectional square and a circular arc (semi-circular), so the cross-sectional shape of the solid portion 32 is also a cross-sectional square and a circular arc (semi-circular) It is a combination of
  • the seal lip 25 having an arc-shaped (semi-circular) cross section is integrally formed on the upper surface (partial width) of the gasket main body 21 having a rectangular cross section.
  • a seal lip 26 having an arc shape (semicircular shape) in cross section is integrally formed with the part width).
  • a plurality of (two in the drawing) seal lips 25 having an arc-shaped (semi-circular) cross section are integrally formed on the upper surface (partial width) of the gasket main body 21 having a rectangular cross section.
  • a plurality of (two in the drawing) seal lips 26 are integrally formed on the lower surface (partial width) of the seal 21 in cross-sectional arc shape (semicircular shape).
  • a penetrating portion (space portion) 34 penetrating in the thickness direction may be provided at the center of the plane, and in this case, the carrier film 31 has a frame shape.
  • a flat carrier film 31 cut into a flat shape of a predetermined size is prepared, and as shown in FIG. 5A, the carrier film 31 is sandwiched in a parting portion 44 of a mold 41.
  • the mold 41 is clamped in the end state.
  • the mold 41 has a combination of the upper mold (one split mold) 42 and the lower mold (the other split mold) 43, and the cavity 45 corresponds to each half of the parting part 44 of both molds 42 and 43. It is provided. Since the entire surface of the carrier film 31 is initially flat, the inside of the cavity 45 is made to cross.
  • the cavity 45 is filled with a molding material for molding the gasket main body 21 and heated to form the gasket main body 21.
  • the carrier film 31 is partially pressed on the inner surface of the cavity portion 45 by the molding material filling pressure and deformed along the inner surface of the cavity portion 45 (plastic deformation)
  • the three-dimensional portion 32 is formed.
  • the gasket main body 21 is molded, and then the mold is opened, and as shown in FIG. 5D, the gasket main body 21 and the carrier film 31 are simultaneously taken out from the mold 41.
  • the gasket main body 21 and the carrier film 31 taken out are in a combination state in which the gasket main body 21 is held by the carrier film 31. In this combination state, the product is transported and stored.
  • the gasket main body 21 held by the carrier film 31 is less likely to be twisted or the like, and hence the handling workability is improved as compared with the case where the gasket main body 21 is handled as a single item.
  • the carrier film 31 is attracted to the base side by a vacuum drawing device (not shown, the vacuum drawing direction is indicated by the arrow D) or the like.
  • a vacuum drawing device not shown, the vacuum drawing direction is indicated by the arrow D
  • the gasket body 21 is gripped by the chucking device 51 or the like, lifted as shown in FIG. 6B, and moved to a predetermined position.
  • the gasket body 21 which is not distorted can be easily grasped by the chucking device 51 or the like, and the operation can be smoothly advanced.
  • the gasket main body 21 is an upper mold (one split type) when the mold is opened. Since the gasket main body 21 is separated from the carrier film 31 if it sticks to 42 and peels off from the carrier film 31 attached to the lower mold (the other divided mold) 43, the gasket main body 21 It can not be held by the carrier film 31.
  • the undercut shape (undercut portion) 46 is provided on the inner surface of the cavity 45 of the mold 41 to prevent the gasket body 21 from coming off with respect to the mold 41. According to this, the gasket main body 21 can be prevented from peeling and separating from the carrier film 31.
  • the one having the undercut shape 46 is the split mold (lower mold 43) for forming the three-dimensional portion 32 in the carrier film 31, and this split mold (lower mold 43)
  • the undercut shape 46 is provided on the inner surface of the cavity portion 45
  • the undercut shape (undercut portion) 35 is also formed on the solid portion 32 of the carrier film 31 that deforms along the undercut shape 46. Since the gasket main body 21 engages with the cut shape 35 in the disengaging direction, the gasket main body 21 can be left in the split mold (lower mold 43).
  • the carrier film 31 and the gasket main body 21 are released from the split mold (lower mold 43), the three-dimensional portion 32 of the carrier film 31 and the gasket main body 21 are pulled out from the cavity 45 while being elastically deformed. Therefore, as shown in FIG. 8, the carrier film 31 and the gasket main body 21 can be integrally taken out from the split mold (lower mold 43).
  • the carrier film 31 and the gasket main body 21 taken out from the split mold (lower mold 43) are the gasket main body 21 against the undercut shape 35 formed in the three-dimensional portion 32 of the carrier film 31.
  • the gasket main body 21 is prevented from coming off with respect to the carrier film 31 because it engages in the removal direction. Therefore, it is possible to prevent the gasket body 21 from being easily separated from the carrier film 31.
  • the gasket main body 21 illustrated in FIGS. 7 and 8 is formed by the cavity 45 having the undercut shape 46, and therefore, the side face thereof is provided with the inclined surface 28 (FIG. 8) accompanying the undercut. Therefore, the gasket main body 21 is formed as a gasket having a trapezoidal cross section, and the seal lips 25 and 26 having a triangular cross section are integrally formed on the upper and lower surfaces thereof.
  • the inclination angle of the undercut shapes 35 and 46 is preferably in the range of 0.1 to 10 degrees, and more preferably in the range of 0.1 to 3 degrees.

Abstract

La présente invention a pour objet de faciliter la manipulation de joints d'étanchéité tout caoutchouc. Pour atteindre cet objet, un joint d'étanchéité est caractérisé en ce qu'un corps de joint d'étanchéité uniquement constitué de caoutchouc est combiné à un film support fabriqué à partir d'un film de résine afin de maintenir le corps de joint d'étanchéité dans un état non adhésif. Une section tridimensionnelle ayant une forme qui est déformée le long de la forme externe du corps de joint d'étanchéité est amenée au niveau d'une position où le corps de joint d'étanchéité et un plan du film support se chevauchent, et une partie du corps de joint d'étanchéité est contenue dans la section tridimensionnelle. Le corps de joint d'étanchéité est utilisé sous la forme d'un joint d'étanchéité pour piles à combustible incorporées dans un empilement de piles à combustible.
PCT/JP2016/054496 2015-04-09 2016-02-17 Joint d'étanchéité et son procédé de fabrication WO2016163158A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP16776327.5A EP3282151B1 (fr) 2015-04-09 2016-02-17 Joint d'étanchéité et son procédé de fabrication
CA2982056A CA2982056C (fr) 2015-04-09 2016-02-17 Joint d'etancheite et son procede de fabrication
CN201680007671.8A CN107208797B (zh) 2015-04-09 2016-02-17 密封垫及其制造方法
US15/565,080 US10350799B2 (en) 2015-04-09 2016-02-17 Gasket including carrier film and method of manufacturing the same
KR1020177031246A KR102479443B1 (ko) 2015-04-09 2016-02-17 개스킷 및 그 제조방법

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2015079732 2015-04-09
JP2015-079732 2015-04-09
JP2015-249637 2015-12-22
JP2015249637A JP6629066B2 (ja) 2015-04-09 2015-12-22 ガスケット及びその製造方法

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WO2016163158A1 true WO2016163158A1 (fr) 2016-10-13

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PCT/JP2016/054496 WO2016163158A1 (fr) 2015-04-09 2016-02-17 Joint d'étanchéité et son procédé de fabrication

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017082154A1 (fr) * 2015-11-10 2017-05-18 Nok株式会社 Procédé de manipulation de joint équipé d'un film de support
WO2018083956A1 (fr) * 2016-11-07 2018-05-11 Nok株式会社 Joint d'étanchéité et son procédé de fabrication
CN109642672A (zh) * 2016-10-27 2019-04-16 Nok株式会社 密封垫及其制造方法
US10514099B2 (en) 2015-11-10 2019-12-24 Nok Corporation Method for handling carrier-film-equipped gasket

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54159552A (en) * 1978-06-06 1979-12-17 Toyo Cloth Co Gasket and its manufacturing method
JP2005003181A (ja) * 2003-06-16 2005-01-06 Nok Corp ガスケット
JP2010174146A (ja) * 2009-01-29 2010-08-12 Inoac Corp ガスケット用基材の製造方法、このガスケット用基材を用いたガスケット、及びガスケットの使用方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54159552A (en) * 1978-06-06 1979-12-17 Toyo Cloth Co Gasket and its manufacturing method
JP2005003181A (ja) * 2003-06-16 2005-01-06 Nok Corp ガスケット
JP2010174146A (ja) * 2009-01-29 2010-08-12 Inoac Corp ガスケット用基材の製造方法、このガスケット用基材を用いたガスケット、及びガスケットの使用方法

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017082154A1 (fr) * 2015-11-10 2017-05-18 Nok株式会社 Procédé de manipulation de joint équipé d'un film de support
US10514099B2 (en) 2015-11-10 2019-12-24 Nok Corporation Method for handling carrier-film-equipped gasket
CN109642672A (zh) * 2016-10-27 2019-04-16 Nok株式会社 密封垫及其制造方法
CN109642672B (zh) * 2016-10-27 2021-03-23 Nok株式会社 密封垫及其制造方法
US11255435B2 (en) 2016-10-27 2022-02-22 Nok Corporation Gasket and method for manufacturing same
EP3534045B1 (fr) * 2016-10-27 2023-01-25 NOK Corporation Joint d'étanchéité et son procédé de fabrication
WO2018083956A1 (fr) * 2016-11-07 2018-05-11 Nok株式会社 Joint d'étanchéité et son procédé de fabrication
CN109790926A (zh) * 2016-11-07 2019-05-21 Nok株式会社 密封垫及其制造方法
JPWO2018083956A1 (ja) * 2016-11-07 2019-09-19 Nok株式会社 ガスケット及びその製造方法
CN109790926B (zh) * 2016-11-07 2021-03-30 Nok株式会社 密封垫及其制造方法
US11028924B2 (en) 2016-11-07 2021-06-08 Nok Corporation Gasket and method for manufacturing same

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