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:
May. 31, 1994
Filed:
Nov. 04, 1991
Applicant:
Inventor:
Patrick Lurois, Greenville, SC (US);
Assignee:
Compagnie Generale des Etablissements Michelin - Michelin & Cie, Ferrand Cedex, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60C / ;
U.S. Cl.
CPC ...
1522 / ; 152D / ;
Abstract
Tread for heavy vehicles with radial carcass comprising a plurality of cimferential rows of blocks (13) having incisions (15), defined by circumferential (10) and transverse (12) grooves, said blocks being connected to each other in circumferential direction by platforms 14) which are arranged in the transverse grooves (12) and the height of which increases from the center towards the edges of the tread, the depth of the incisions (15) decreasing from the center towards the edge of the tread and the density of the incisions being maximum in the central zone (Z) of the tread.