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. 19, 1977
Filed:
Sep. 30, 1975
Applicant:
Inventor:
Robert Arthur Francis, Keilor, Victoria, AU;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
285111 ; 285359 ; 285369 ;
Abstract
This invention relates to a pipe joint for the butt jointing of pipes in the form of a sleeve to receive the respective pipe ends and provide a resilient seal between the sleeve and the pipe surfaces, said seal having peripheral lips adapted to effect an increase in sealing engagement by fluid pressure in the pipes.