Abstract: A tire for a motor vehicle having at least one carcass ply comprised of a crown portion and two axially opposite side portions terminating in beads for mounting the tire on a rim. A tread band and a belt structure are interposed between the carcass structure and the bead. Each bead includes on elongated cord comprised of a first yarn, such as aramid, having a melting or decomposition point T1, and a second yarn, such as nylon, having a melting point T2, wherein T1>T2, and T2 is greater than 40° C.
Type:
Grant
Filed:
April 9, 2014
Date of Patent:
February 18, 2020
Assignee:
COOPER TIRE & RUBBER COMPANY
Inventors:
Doug Pierce, Dale E. Schimmoeller, Greg C. Bowman, Timothy M. Donley
Abstract: A rubber composition including guayule rubber and 15 to 90 phr silica. The rubber can be cis-1,4 polyisoprene and include 15 to 90 phr silica and contain less than 20% of the proteins associated with Hevea rubber and further include at least a trace of resins present in other natural rubbers. The rubber can be cis-1,4 polyisoprene and further include between at least a trace and 3% by weight of resins present in guayule rubber. The rubber composition can further be comprised of a synthetic rubber and include between about 40-100 phr of guayule rubber, and silica. The silica can be hydrophobated.
Abstract: A tire curing bladder and associated method of forming same includes an elastomeric body and a radio frequency identification device (RFID) tag chemically bonded to the elastomeric body.