Global Patent Index - EP 3230505 A1

EP 3230505 A1 2017-10-18 - TEXTILE CORD HAVING AN AT LEAST TRIPLE TWIST

Title (en)

TEXTILE CORD HAVING AN AT LEAST TRIPLE TWIST

Title (de)

TEXTILKORD MIT MINDESTENS EINER DREIFACHVERDREHUNG

Title (fr)

CÂBLÉ TEXTILE À AU MOINS TRIPLE TORSION

Publication

EP 3230505 A1 (FR)

Application

EP 15807849 A

Priority

  • FR 1462101 A
  • EP 2015078833 W

Abstract (en)

[origin: WO2016091809A1] The invention relates to a textile cord (50) having an at least triple twist (T1, T2, T3), comprising at least N strands (20a, 20b, 20c, 20d), where N is greater than 1, which are twisted together to a final twist T3 in a final direction D2, each strand being made up of M pre-strands (10a, 10b, 10c), where M is greater than 1, which pre-strands are in turn twisted to an intermediate twist T2 (T2a, T2b, T2c, T2d) in an intermediate direction D1 which is opposite to D2, with every pre-strand consisting of a spun fibre (5) that has been twisted on itself to an initial twist T1 (T1a, T1b, T1c) in the direction D1, wherein at least half the N times M spun fibres have an initial modulus of elasticity Mi greater than 800 cN/tex. This textile cord can advantageously be used as reinforcement in vehicle pneumatic tires, especially in the belt or the carcass ply of said pneumatic tires.

IPC 8 full level (invention and additional information)

D02G 3/48 (2006.01)

CPC (invention and additional information)

D02G 3/48 (2013.01); D07B 1/02 (2013.01); D07B 1/025 (2013.01); D07B 2201/1044 (2013.01); D07B 2201/1064 (2013.01); D07B 2201/2025 (2013.01); D07B 2401/2005 (2013.01); D07B 2501/2046 (2013.01)

Citation (search report)

See references of WO 2016091809A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

EPO simple patent family

FR 3029539 A1 20160610; FR 3029539 B1 20170519; CN 107002354 A 20170801; EP 3230505 A1 20171018; JP 2017538049 A 20171221; KR 20170093824 A 20170816; US 2017327976 A1 20171116; WO 2016091809 A1 20160616

INPADOC legal status


2018-03-21 [DAV] REQUEST FOR VALIDATION OF THE EUROPEAN PATENT (IN ANY COUNTRY) (DELETED)

2018-03-21 [DAX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT (TO ANY COUNTRY) (DELETED)

2017-10-18 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20170710

2017-10-18 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

2017-10-18 [AV] REQUEST FOR VALIDATION OF THE EUROPEAN PATENT IN:

- Countries: MA MD

2017-10-18 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Countries: BA ME