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:
Dec. 27, 1977
Filed:
Nov. 23, 1976
Applicant:
Inventor:
Andrew Campbell Grant, Williamsville, NY (US);
Assignee:
Union Carbide Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F28F / ; F16L / ; F28F / ;
U.S. Cl.
CPC ...
138142 ; 138145 ; 165133 ; 165180 ; 165D / ;
Abstract
A metallic porous layer is formed on copper or copper alloy base material by providing a loose coating of copper or steel powder matrix, bonding metal alloy consisting of copper and phosphorous, or copper and antimony and a liquid binder, partially heating to evolve the liquid binder and further heating to 1350.degree.-1550.degree. F. to braze the bonding metal alloy to the base material and matrix.