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:
Mar. 11, 1980
Filed:
Jan. 09, 1978
Applicant:
Inventors:
James L Crickard, Huntington, WV (US);
Harold L Sheets, Chesapeake, OH (US);
Assignee:
Huntington Alloys, Inc., Huntington, WV (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01M / ;
U.S. Cl.
CPC ...
73 495 ; 73 491 ; 138 90 ;
Abstract
Method and apparatus for fluid pressure testing of tubes or pipes is provided wherein the tube or pipe under test is sealed at the ends by a resilient O-ring between the inside diameter of the tube or pipe and convex, preferably conical faces at each end of the tube or pipe, with the conical faces being held firmly in place against the outward thrust of the test fluid pressure by hydraulic action utilizing the pressurized testing fluid.