F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 5/10 (2006.01) F16J 15/14 (2006.01)
Patent
CA 2518333
A gasket which may be cast in place within a concrete structure, such as a manhole riser or septic tank, for example, to seal a connection between a pipe and the concrete structure. The gasket includes a main body portion and a sealing portion which are made from different materials. The main body portion may be made of a substantially rigid material, such as a semi-rigid plastic, for example. The sealing portion, which is united with the body portion, may be made of a substantially resilient material, such as flexible plastic or a rubber-type material, for example. In this manner, the substantially rigid portion of the gasket provides for effective anchoring in a cast wall, and the substantially resilient portion is compressible to provide a robust seal with a pipe that is inserted through the gasket.
Press-Seal Gasket Corporation
Sim & Mcburney
LandOfFree
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