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. 02, 1993
Filed:
Feb. 19, 1993
Applicant:
Inventors:
William D Spiegelberg, Parma, OH (US);
John O Ratka, Cleveland Heights, OH (US);
Clarence S Lorenz, Lakewood, OH (US);
Assignee:
Brush Wellman Inc., Cleveland, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
B23K / ; C22F / ;
U.S. Cl.
CPC ...
2282621 ; 2282626 ; 428618 ; 428675 ; 420494 ; 148411 ;
Abstract
This invention relates to a composition of a region joining two members treated thermodynamically by a process set forth by the present invention. In accordance with one aspect of the present invention, there is provided a region comprising a solidified bead containing generally between 1.6 and 2.0% beryllium, a melt and mix zone containing generally between 0.6 and 1.8% beryllium, a recrystallized zone containing generally between 0.6 and 1.0% beryllium, and an overaged zone containing generally between 0.3 and 0.8% beryllium.