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:
Oct. 23, 2007
Filed:
May. 03, 2005
Jim Jones, Aledo, TX (US);
Bradford G. Corbett, Jr., Ft. Worth, TX (US);
Gerardo Darce, Heredia, CR;
Randall Chinchilla, San Jose, CR;
Jim Jones, Aledo, TX (US);
Bradford G. Corbett, Jr., Ft. Worth, TX (US);
Gerardo Darce, Heredia, CR;
Randall Chinchilla, San Jose, CR;
S & B Technical Products, Inc., Fort Worth, TX (US);
Abstract
A method and apparatus for restraining pipe against both internal and external forces at a pipe or fitting connection and to join and seal at least two pipes to form a pipeline is shown featuring an improved restraining and sealing mechanism. The restraining and sealing mechanism includes a circumferential housing and a companion sealing ring which are received within a mating groove provided in the belled end of a female pipe. The circumferential housing has an interior region which contains a gripping ring insert. The sealing ring and housing are integrally located within a belled pipe end during belling operations.