The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 13, 1992
Filed:
Jan. 10, 1991
Wolfgang Kuhr, Aachen, DE;
Norbert Zinnen, Aachen, DE;
Uniroyal Englebert Reifen GmbH, Aachen, DE;
Abstract
A tread design for a pneumatic tire of radial construction for high-speed vehicles is provided. The tire has a tread design that comprises profiled elements that each comprise, starting from a centrally disposed circumferential groove, in succession, a first part that is disposed adjacent to the central groove and extends parallel to the equatorial planes of the tire, aa longer, elongated central portion that extends at an angle of 5.degree. to 30.degree. to the equatorial plane and ends in a bend region, and a fork-shaped end portion that is disposed in a shoulder region of the tire and extends at an angle of 60.degree. to 90.degree., with each two adjacent profiled elements on either side of the central groove being interconnected by a bridge element that is disposed in a base of an inclined groove provided between the profiled elements and projects beyond the base thereof, and with the profiled elements on one side of the central groove being staggered in a circumferential direction relative to the profiled elements on the other side of the central groove.