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. 09, 1989
Filed:
Oct. 14, 1987
Applicant:
Inventors:
Hugo Lievens, Gent, BE;
Wilfried Coppens, Kortrijk - Marke, BE;
Assignee:
N. V. Bekaert S.A., Zwevegem, BE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
152451 ; 428625 ; 428659 ;
Abstract
Steel substrate with brass covering layer to enhance adhesion to rubber particularly in humid atmosphere above ambient temperature wherein said covering layer has at its surface a (Cu/Cu+Zn)-ratio of not more than 0.2 the respective Cu and Zn contents being considered in at. %. In addition the content of carbon and inorganic impurities in the brass surface layer is low. A method for producing said brass covered substrate comprises the steps of shortly heating a normal brass covered substrate at between 250.degree. and 350.degree. C. in a vacuum atmosphere.