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. 27, 2005
Filed:
Feb. 03, 2003
Applicants:
William V. Shaffer, Powell, OH (US);
William C. Andrick, North Canton, OH (US);
Inventors:
William V. Shaffer, Powell, OH (US);
William C. Andrick, North Canton, OH (US);
Assignee:
Advanced Drainage Systems, Inc., Hilliard, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
F16L021/02 ;
U.S. Cl.
CPC ...
Abstract
An annular gasket for affecting a watertight seal between two sections of corrugated pipe. The gasket comprises a seating portion dimensioned to fit within an annular recess in one of the mated sections of corrugated pipe, and a sealing portion integrally molded with the seating portion. The sealing portion includes a first shoulder portion, a second shoulder portion, and an arcuate surface extending between the first and second shoulder portions. The mass of the seating portion is less than the mass of the sealing portion.