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:
Sep. 14, 1976
Filed:
Dec. 05, 1974
Applicant:
Inventors:
Robert J Wolfe, Arnold, MD (US);
Charles A Zanis, Bowie, MD (US);
Louis F Aprigliano, Annapolis, MD (US);
Assignee:
The United States of America as represented by the Secretary of the Navy, Washington, DC (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
228160 ; 228175 ; 228184 ; 228186 ; 228193 ; 228221 ; 228243 ; 228263 ;
Abstract
A method of fabricating large cylindrical sections of titanium or other metals for applications such as pressure hulls from cylindrical segments wherein mated segments are capped off and evacuated, atmospheric pressure being used to force the mating surfaces together during diffusion welding.