US Patent 7331582 Gasket

Patent 7331582 was granted and assigned to Advanced Drainage Systems, Inc. on February, 2008 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Advanced Drainage Systems, Inc.

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7331582

Date of Patent

February 19, 2008

Patent Application Number

11137431

Date Filed

May 26, 2005

Patent Primary Examiner

‌

Alison K. Pickard

Patent 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.

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