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. 07, 2002
Filed:
Jan. 29, 1999
Applicant:
Inventors:
Paul Francis Stratton, Bradley Huddersfield, GB;
David Geoffrey Groome, Harrogate, GB;
Assignee:
The BOC Group, plc, Windlesham, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K 1/306 ; B23K 3/102 ; B23K 2/022 ;
U.S. Cl.
CPC ...
B23K 1/306 ; B23K 3/102 ; B23K 2/022 ;
Abstract
A brazing method for joining to or more pieces of metal together includes running a molten brazing solder into a space between the pieces, heating at least the adjacent surfaces of the pieces to be joined to brazing temperature in a reducing atmosphere and preheating at least the adjacent surfaces to about 600° C. in an oxidizing atmosphere prior to said heating to the brazing temperature.