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:
Sep. 04, 1990
Filed:
May. 23, 1988
Applicant:
Inventor:
Michael L Crabtree, Arvada, CO (US);
Assignee:
The Gates Rubber Company, Denver, CO (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B65H / ; B29D / ;
U.S. Cl.
CPC ...
156175 ; 156169 ; 156173 ; 242-701 ; 242-721 ; 242174 ; 242176 ; 264103 ; 264129 ; 264159 ; 264573 ; 264137 ;
Abstract
A method for making an Airspring and Sleeve that each have a chamber portion and rolling lobe portion reinforced with successive layers of embedded cord by winding cord in one layer at opposite helical angles from cord of a second successive layer and winding cord at inconstant helical angles in an annular band portion of at least one of the sleeve portions.