B - Operations – Transporting – 60 – C
Patent
B - Operations, Transporting
60
C
B60C 9/08 (2006.01) B60C 9/00 (2006.01) B60C 9/20 (2006.01)
Patent
CA 2041048
ABSTRACT OF THE DISCLOSURE A radial tire is disclosed, comprising a carcass layer having plurality of cords aligned in a radial direction that extend from the treated portion via the sidewall portion to the bead core in each member of a pair of bead portions around which it is folded or turned up from the inside to the outside of the tire and fixed in position, a breaker positioned radially outward of said carcass layer, and a band that is positioned radially outward of said breaker and radially inward of the annular tread, wherein: (A) the breaker is formed from at least two cut breaker plies including cords comprising aromatic polyamide fibers, wholly aromatic polyester fibers, polyvinyl alcohol fibers having a strength of at least 15 g/d, carbon fibers or glass fibers, each cord forming an angle of from 10 to 30° with the circumferential direction of the tire, and the cords, in each breaker ply being positioned to cross the cords in an adjacent ply; and (B) the band has such a structure that a ribbon made of one or more composite cords being aligned parallel to one another is wound in a continuous spiral form, said composite cords having a strength of not more than 2.5 g/d at 3% extension and an extension of not more than 8% upon application of a strength of 6 g/d, and being prepared by twisting high-modulus filaments - 19 - and low-modulus filaments into two cords which then are back- twisted together, and each of said cords forming an angle of from 0 to 3° with the circumferential direction of the tire. - 20 -
Kawamura Kazuhiko
Sugihara Hideaki
Riches Mckenzie & Herbert Llp
Sumitomo Rubber Industries Limited
LandOfFree
Radial tires does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Radial tires, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Radial tires will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1465357