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:
Dec. 16, 2003
Filed:
Nov. 05, 2001
Lucian H. Lyall, III, Coto De Caza, CA (US);
Stephen J. Boros, Corinth, TX (US);
James A. Inhofe, Jr., Sapulpa, OK (US);
Group Timberline, Inc., Corinth, TX (US);
Abstract
A grip coupling ( ) for tubular conduit has a coupling body ( ) formed by two halves ( ) which are joined along weld lines ( ). The two halves ( ) each include a tapered entrance section ( ) and an interior seal ( ). The interior seals ( ) are disposed inboard of the tapered entrance sections ( ). Two annular-shaped shoulders ( ) are formed in the interior surfaces of each of the two halves ( ), and are spaced apart to face inboard relative to the respective two halves ( ) when the two halves ( ) are joined together. Two grip rings ( ) are disposed within respective ones of the two halves ( ), fitting against respective ones of the two annular-shaped shoulders ( ). The grip rings ( ) have grip teeth ( ) and are tapered to extend radially inward in an inboard direction relative to the body ( ).