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:
Sep. 03, 2019
Filed:
Dec. 24, 2015
Applicant:
American Cast Iron Pipe Company, Birmingham, AL (US);
Inventor:
Stephen L. DeBoalt, Pelham, AL (US);
Assignee:
American Cast Iron Pipe Company, Birmingham, AL (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16L 21/03 (2006.01); F16L 17/03 (2006.01); F16L 17/035 (2006.01);
U.S. Cl.
CPC ...
F16L 21/03 (2013.01); F16L 17/03 (2013.01); F16L 17/035 (2013.01);
Abstract
Pipe joints and more particularly circular push-on type pipe joints including a flexible gasket having both hard and soft sections and where the hard section has a chamfered outer edge and a 'C'-shaped grooved portion on a side opposite of the chamfered outer edge in which a portion of the soft section fills and is connected to and the soft section is configured to partially overlap a flange on an interior surface of a pipe bell end.