F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
248/17, 277/67
F16L 5/02 (2006.01)
Patent
CA 1169837
PIPE SEAL Abstract of the Disclosure A gasket which is particularly suited for sealing the annular space between a pipe and a port in an underground structure is disclosed. The gasket comprises a hollow annular ring which surrounds the pipe and is connected by a narrow neck to a base at least partially embedded in the underground structure. The base has means extending around its outer periphery to mount the seal securely in the manhole and to provide a block against water seepage across the periphery of the gasket.
404604
Jones William D.
Meredith & Finlayson
LandOfFree
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