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. 22, 1997
Filed:
Sep. 14, 1995
Applicant:
Inventor:
Harry J Ledgerwood, Marshfield, MO (US);
Assignee:
Tyler Pipe Company, a div. of Ransom Industries, Inc., Birmingham, AL (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16J / ;
U.S. Cl.
CPC ...
277209 ; 277211 ; 2772 / ;
Abstract
An elastomeric gasket comprises an annular body having an outer surface with a flanged edge, a sealing bead, and a semi-circular locking bead to facilitate insertion, and an inner surface comprising multiple, flexible angularly inwardly-extending lips that are self-sealing under pressure.