Removable section pipe seal for septic systems

Details Removable section pipe seal for septic systems Removable section pipe seal for septic systems

1997-05-08

1999-03-16

Knight, Anthony

Seal for a joint or juncture

Seal between fixed parts or static contact against...

Contact seal for a pipe, conduit, or cable

F16J 1510

Patent

active

058820140

ABSTRACT:
A seal wall having a weakened annular ring for removing a section of the seal wall to form an annular seal lip for sealing around a pipe of predetermined diameter, has a weakened watertight portion of the wall configured for insertion of a tool through the wall, spaced from the weakened annular ring and connected to the weakened annular ring by a weakened line.

REFERENCES:
patent: 4663036 (1987-05-01), Strobl, Jr. et al.
patent: 4805920 (1989-02-01), Gavin
patent: 5036636 (1991-08-01), Hasty
patent: 5057501 (1991-10-01), Palmer
patent: 5104542 (1992-04-01), Dixon et al.
patent: 5222334 (1993-06-01), Hasty
patent: 5286040 (1994-02-01), Gavin
patent: 5507501 (1996-04-01), Palmer
patent: 5538035 (1996-07-01), Gavin
patent: 5711536 (1998-01-01), Meyers

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