EP4400638A4 - POLYAMIDE 46 MULTIFILAMENT AND SEWING THREAD FOR AIRBAG - Google Patents

POLYAMIDE 46 MULTIFILAMENT AND SEWING THREAD FOR AIRBAG

Info

Publication number
EP4400638A4
EP4400638A4 EP22867419.8A EP22867419A EP4400638A4 EP 4400638 A4 EP4400638 A4 EP 4400638A4 EP 22867419 A EP22867419 A EP 22867419A EP 4400638 A4 EP4400638 A4 EP 4400638A4
Authority
EP
European Patent Office
Prior art keywords
multifilament
airbag
polyamide
sewing thread
sewing
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
EP22867419.8A
Other languages
German (de)
French (fr)
Other versions
EP4400638A1 (en
Inventor
Kazushi Minai
Hisao Shigeno
Akimi Nagase
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
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 Toray Industries Inc filed Critical Toray Industries Inc
Publication of EP4400638A1 publication Critical patent/EP4400638A1/en
Publication of EP4400638A4 publication Critical patent/EP4400638A4/en
Pending legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/44—Yarns or threads characterised by the purpose for which they are designed
    • D02G3/46—Sewing-cottons or the like
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/60—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/06—Load-responsive characteristics
    • D10B2401/061—Load-responsive characteristics elastic
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/06—Load-responsive characteristics
    • D10B2401/063—Load-responsive characteristics high strength
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2505/00—Industrial
    • D10B2505/12—Vehicles
    • D10B2505/124—Air bags

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Artificial Filaments (AREA)
EP22867419.8A 2021-09-10 2022-09-09 POLYAMIDE 46 MULTIFILAMENT AND SEWING THREAD FOR AIRBAG Pending EP4400638A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021147430 2021-09-10
PCT/JP2022/033826 WO2023038098A1 (en) 2021-09-10 2022-09-09 Polyamide-46 multifilament and sewing thread for airbag

Publications (2)

Publication Number Publication Date
EP4400638A1 EP4400638A1 (en) 2024-07-17
EP4400638A4 true EP4400638A4 (en) 2025-08-13

Family

ID=85506420

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22867419.8A Pending EP4400638A4 (en) 2021-09-10 2022-09-09 POLYAMIDE 46 MULTIFILAMENT AND SEWING THREAD FOR AIRBAG

Country Status (5)

Country Link
US (1) US20240309560A1 (en)
EP (1) EP4400638A4 (en)
JP (1) JPWO2023038098A1 (en)
CN (1) CN117693615A (en)
WO (1) WO2023038098A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0457912A (en) * 1990-06-27 1992-02-25 Unitika Ltd Production of nylon 46 monofilament
JPH0687394A (en) * 1992-09-09 1994-03-29 Unitika Ltd Air bag
KR100501470B1 (en) * 1998-10-20 2005-09-26 주식회사 코오롱 Polyamide Filament Yarn and Manufacturing Method Thereof
EP2065492B1 (en) * 2007-11-23 2010-09-15 Shinkong Synthetic Fibers Corporation A process for the production of squared-analogous cross-section polyamide yarns and uses thereof
EP4119705A1 (en) * 2020-03-13 2023-01-18 Toray Industries, Inc. Polyamide multifilament

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5976914A (en) 1982-10-22 1984-05-02 Toray Ind Inc Polyamide fiber and production thereof
JPS5988910A (en) 1982-11-04 1984-05-23 Unitika Ltd Nylon 46 fiber of high tenacity and production thereof
JPH01168914A (en) 1987-12-21 1989-07-04 Toray Ind Inc Polytetramethylene adipamide base yarn
JPH05272009A (en) * 1992-01-31 1993-10-19 Unitika Ltd Nylon 46 fiber and sheet for air bag
JPH06235136A (en) 1993-02-04 1994-08-23 Kuraray Co Ltd Sewing thread for airbag
JPH07216649A (en) * 1994-01-21 1995-08-15 Unitika Ltd Polyimide fiber having high strength and high shrinkage and its production
JP3566934B2 (en) 2001-02-27 2004-09-15 カネボウ株式会社 Nylon stretch yarn and spun-like fabric using it
KR100451263B1 (en) * 2003-12-30 2004-10-11 주식회사 효성 Polyamide fibers for uncoated airbag
CN101313091A (en) * 2005-10-19 2008-11-26 东丽株式会社 Crimp elastic yarn, manufacturing method thereof, and fiber structure
EP2264235B1 (en) * 2008-03-10 2021-06-09 Toray Industries, Inc. Base cloth for air bag
JP5060387B2 (en) * 2008-05-12 2012-10-31 セーレン株式会社 Sewing thread for airbag and airbag using the same
JP5093374B2 (en) 2011-03-10 2012-12-12 東洋紡株式会社 Airbag
TWI794146B (en) * 2015-12-01 2023-03-01 美商阿散德性能材料營運公司 High molecular weight polyamides and copolyamides with uniform rv and low gel content
JP7275733B2 (en) * 2019-03-26 2023-05-18 東レ株式会社 High strength polyamide monofilament

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0457912A (en) * 1990-06-27 1992-02-25 Unitika Ltd Production of nylon 46 monofilament
JPH0687394A (en) * 1992-09-09 1994-03-29 Unitika Ltd Air bag
KR100501470B1 (en) * 1998-10-20 2005-09-26 주식회사 코오롱 Polyamide Filament Yarn and Manufacturing Method Thereof
EP2065492B1 (en) * 2007-11-23 2010-09-15 Shinkong Synthetic Fibers Corporation A process for the production of squared-analogous cross-section polyamide yarns and uses thereof
EP4119705A1 (en) * 2020-03-13 2023-01-18 Toray Industries, Inc. Polyamide multifilament

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023038098A1 *

Also Published As

Publication number Publication date
CN117693615A (en) 2024-03-12
EP4400638A1 (en) 2024-07-17
JPWO2023038098A1 (en) 2023-03-16
US20240309560A1 (en) 2024-09-19
WO2023038098A1 (en) 2023-03-16

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