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. 25, 1999
Filed:
Jul. 21, 1992
Applicant:
Inventors:
John Eric Jackson, Brownsburg, IN (US);
Marianne O'Connor Price, Indianapolis, IN (US);
Assignee:
Praxair S.T. Technology, Inc., Danbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J / ;
U.S. Cl.
CPC ...
428621 ; 428614 ; 428679 ; 428680 ; 428937 ; 428469 ; 428472 ; 428498 ; 4151701 ; 4152161 ;
Abstract
A gas seal for rotary shaft applications in which at least a portion of a contact surface of one member of the seal that has relative motion with and in contact with a second member of the seal is coated with a chromium carbide-age hardenable nickel base alloy. The process for depositing and heating the coating is also claimed.