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:
Nov. 10, 1987
Filed:
Oct. 16, 1986
Applicant:
Inventor:
Brian Norris, San Diego, CA (US);
Assignee:
Rohr Industries, Inc., Chula Vista, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
B23K / ; B23K / ;
U.S. Cl.
CPC ...
228194 ; 22826313 ; 22826319 ; 428661 ;
Abstract
The disclosure relates to a method of bonding columbium to columbium wherein a brazing foil of titanium which has been coated with either a layer of copper or a layer of nickel or layers of copper and then nickel, preferably on both sides of the foil, is disposed between the columbium sheets or the like to be joined. The columbium are placed in intimate contact with opposite sides of the foil and heated to a temperature above the eutectic point of the eutectics of the metals of the foil and no higher than about 1750.degree. F. for about 90 minutes and then cooled to provide the desired bond.