Seal profile

Details Seal profile Seal profile

2007-03-12

2011-10-25

Pickard, Alison (Department: 3674)

Seal for a joint or juncture

Seal between fixed parts or static contact against...

Contact seal for a pipe, conduit, or cable

C277S615000, C285S369000, C285S373000, C285S112000

Reexamination Certificate

active

08042816

ABSTRACT:
The invention relates to the external sealing and joining of piping. More particularly, the invention provides an improved seal profile which is suitable for use inside pipe couplings. The invention provides a twin-lip seal profile particularly useful in combination with a pipe coupling, the seal comprising: a substantially flat base element, having a first (inner) face and a second (outer) face and two outer edges. Two spaced-apart support blocks projecting upwardly from the first face of the base element, each support block having an outer and an inner face. Two lip members projecting from the outer edges of the base element, the lip members overlapping and resting on the closest support block and leaving a hollow space between the base element, the lip member and the outer face of the support block. The seal profile being characterized in that the plane or line of contact between the lip member and the support block, when extended towards the center of the profile, slopes to more closely approach the substantially flat base element, thus forming a wedge-like effect when pressure is applied to the lip members, the wedge-like effect preventing undesired outward movement of the lip members.

REFERENCES:
patent: 1867891 (1932-07-01), Baillie
patent: 2980449 (1961-04-01), Dunton
patent: 3057408 (1962-10-01), Griffitts
patent: 3173694 (1965-03-01), Nathan
patent: 3334928 (1967-08-01), Schmunk
patent: 3573871 (1971-04-01), Warner
patent: 3877733 (1975-04-01), Straub
patent: 4174125 (1979-11-01), Wyss
patent: 4298206 (1981-11-01), Kojima
patent: 4346922 (1982-08-01), Ohtsuga et al.
patent: 4362323 (1982-12-01), Lodder et al.
patent: 4629217 (1986-12-01), Straub
patent: 4641858 (1987-02-01), Roux
patent: 4789167 (1988-12-01), Housas
patent: 4824148 (1989-04-01), Grabowski
patent: 5056833 (1991-10-01), Webb et al.
patent: 5203594 (1993-04-01), Straub
patent: 5248169 (1993-09-01), Barbe et al.
patent: 5288087 (1994-02-01), Bertoldo
patent: 5639102 (1997-06-01), Ilesic
patent: 6293556 (2001-09-01), Krausz
patent: 7243955 (2007-07-01), Krausz et al.
patent: 7748753 (2010-07-01), Krausz et al.

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