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:
Jul. 03, 2001
Filed:
Jun. 03, 1999
Applicant:
Inventors:
Dick J. Chang, Los Angeles, CA (US);
Pierre R. Valenzuela, Pico Rivera, CA (US);
Assignee:
The Aerospace Corporation, El Segundo, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 3/10 ; F16L 3/322 ;
U.S. Cl.
CPC ...
G01N 3/10 ; F16L 3/322 ;
Abstract
Opposing end fittings of a cylindrical tube pressure test fixture uses slanted abutting surfaces between retaining rings and ferrules that securely clamps a tube under high pressure testing. Retaining ring and ferrule friction and applied radial compression induce shear force upon the tube and prevent leaks during pressure testing.