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. 15, 1990
Filed:
May. 17, 1988
Applicant:
Inventors:
Donald N Berube, Tiverton, RI (US);
Amitava Datta, East Greenwich, RI (US);
Assignee:
EG&G Sealol, Inc., Cranston, RI (US);
Primary Examiner:
Int. Cl.
CPC ...
F01B / ;
U.S. Cl.
CPC ...
92 45 ; 92 47 ; 9210 / ; 228182 ; 228212 ;
Abstract
A metal bellows core is comprised of a plurality of resilient annular metal diaphragm members which are brazed together. A method for fabricating a metal bellows core is comprised of steps including brazing the metal diaphragm members together simultaneously in a furnace. An apparatus for fabricating a metal bellows core is comprised of means for positioning, coaxially aligning and compressing the diaphragm members and brazing filler material members for brazing.