Radial tires

Details Radial tires Radial tires

1975-07-09

1977-02-08

Hoffman, Drayton E.

Resilient tires and wheels

Tires, resilient

Patches

152361R, 152374, B60C 904

Patent

active

040067661

ABSTRACT:
A pneumatic radial tire includes a carcass means having at least one rubberized carcass ply consisting of cords disposed at 70.degree. to 90.degree. to the equatorial direction of the tire, a pair of flexible side rubber layers secured to the carcass ply and forming the outer covering of the sidewalls, each side rubber layer composed of flexible rubber having a Shore A hardness upon vulcanization of 40.degree. to 55.degree., a rubberized breaker layer and a tread rubber layer secured to the tire crown. The breaker layer consists of cords disposed at 10.degree. to 30.degree. to the equatorial direction of the tire. The tread rubber layer has a width substantially equal to the width of the tire crown and at least a portion of the shoulders and is made of a highly abrasion-resistant hard rubber material with a Shore A hardness upon vulcanization of 55.degree. to 75.degree.. Each of the flexible side rubber layers is integrally bonded to the tread rubber layer to cover the respective opposing side edges thereof and each of the flexible side rubber layers extends over the respective edge portions of the tread rubber layer and is bonded thereto. Each of said flexible side rubber layers further extends underneath the respective edge portion of the tread rubber layer and is bonded between the bottom of the tread rubber layer and the carcass to form a tire having protective flexible rubber covering the opposing side edges of the abrasion-resistant hard tread rubber.

REFERENCES:
patent: 2445725 (1948-07-01), Walker
patent: 3067795 (1962-11-01), Neuville et al.
patent: 3509929 (1970-05-01), DeLobelle
patent: 3892269 (1975-07-01), Powell et al.

Affiliated with

Also associated with

Rating

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.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1209160