Global Patent Index - EP 0168857 A1

EP 0168857 A1 19860122 - Steel cord construction.

Title (en)

Steel cord construction.

Title (de)

Metallseilherstellung.

Title (fr)

Construction d'un câblé métallique.

Publication

EP 0168857 A1 19860122 (EN)

Application

EP 85200930 A 19850613

Priority

GB 8418509 A 19840720

Abstract (en)

A steel cord for the reinforcement of resilient articles comprises a bundle of four wires twisted together with the same pitch, a first pair 1, 2 of said wires having a substantially similar diameter, a second pair 3, 4 of said wires each having a diameter not greater than the average diameter of the first pair 1, 2, a wire of one pair being adjacent a wire of the other pair along the circumference of the bundle, and in a stretched condition of the cord, the wires of the first pair 1, 2 are tightly twisted together so as to touch along the axis 5 while each wire of the second pair 3, 4 is at a spacing d from the circumferentially adjacent wires of the first pair.

IPC 1-7

D07B 1/06

IPC 8 full level

B60C 9/00 (2006.01); D07B 1/06 (2006.01)

CPC (source: EP)

D07B 1/062 (2013.01); D07B 2201/2022 (2013.01); D07B 2207/205 (2013.01)

Citation (search report)

  • [A] GB 2081765 A 19820224 - BRIDGESTONE TIRE CO LTD
  • [A] FR 2476548 A1 19810828 - UNIROYAL ENGLEBERT GMBH [DE]
  • [A] RESEARCH DISCLOSURE, no. 224, December 1982, no. 22404, Havant, Hampshire, GB: "Bi-diameter construction of steel tire cord"

Designated contracting state (EPC)

AT BE CH DE FR GB IT LI LU NL SE

DOCDB simple family (publication)

EP 0168857 A1 19860122; EP 0168857 B1 19880309; AT E32924 T1 19880315; AU 4504385 A 19860123; AU 574804 B2 19880714; BR 8503450 A 19860415; CA 1304263 C 19920630; DE 3561828 D1 19880414; ES 296143 U 19871201; ES 296143 Y 19880516; GB 8418509 D0 19840822; JP S6163792 A 19860401

DOCDB simple family (application)

EP 85200930 A 19850613; AT 85200930 T 19850613; AU 4504385 A 19850716; BR 8503450 A 19850719; CA 485320 A 19850626; DE 3561828 T 19850613; ES 296143 U 19850719; GB 8418509 A 19840720; JP 15709885 A 19850718