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. 01, 1987
Filed:
Feb. 20, 1987
Applicant:
Inventor:
John J Hunter, Abilene, TX (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
285 55 ; 285355 ; 285369 ;
Abstract
Disclosed is a method and apparatus for forming a pipe joint for securing lined pipe sections together. A portion of the liners of adjacent pipe sections are overlapped and compressed when the pipe joint is made up so as to seal against the migration of pressurized fluids from within the pipe sections.