Pipe joints or couplings – With fluid pressure seal – Flexible lip
Patent
1993-09-16
1994-11-08
Arola, Dave W.
Pipe joints or couplings
With fluid pressure seal
Flexible lip
285331, 285910, F16L 1706
Patent
active
053621123
ABSTRACT:
A pipe joint and coupling construction particularly suited for joining large diameter plastic pipe as used in sewer relining. The construction comprises first and second sections of cylindrical pipe having axially aligned opposed end walls with a continuous groove formed in each end wall. The groove in each end wall is axially aligned with the groove in the opposed end wall and cooperates therewith to form a gasket receiving chamber. The coupling member is adapted to be mounted in the gasket receiving chamber for sealingly joining the pipe sections. It comprises a rigid annular core ring for mounting in the chamber to extend axially into each of the axially aligned grooves. A resilient compressible elastomeric covering is positioned over the core ring and carried circumferentially continuous radially extending protrusions which are sized to be sealingly compressed between the core ring and the side walls of the grooves.
REFERENCES:
patent: 9737 (1881-05-01), Whittemore
patent: Re33199 (1990-04-01), Karr, Jr.
patent: 52010 (1866-01-01), Aldrich
patent: 249594 (1881-11-01), Dietz
patent: 679399 (1901-07-01), Smith et al.
patent: 795976 (1905-08-01), Herrick
patent: 1940074 (1933-12-01), Burmeister
patent: 2182995 (1939-12-01), Pepper et al.
patent: 2314328 (1943-03-01), Enderle
patent: 4202568 (1980-05-01), Strom
patent: 4229028 (1980-10-01), Gray
patent: 4326737 (1982-04-01), Lehmann
patent: 4400019 (1983-08-01), Fruck
patent: 4452462 (1984-06-01), Karr, Jr.
patent: 4614371 (1986-09-01), Bauder
patent: 4796669 (1989-01-01), St. Onge
patent: 4819972 (1989-04-01), Champa et al.
Hamilton Larry J.
Hawkins Thomas W.
Shortman Richard P.
Arola Dave W.
The Lamson & Sessions Co.
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