Seal for a joint or juncture – Seal between fixed parts or static contact against... – Contact seal for a pipe – conduit – or cable
Patent
1999-04-15
2000-11-07
Browne, Lynne H.
Seal for a joint or juncture
Seal between fixed parts or static contact against...
Contact seal for a pipe, conduit, or cable
277608, 277936, 285113, 285232, F16L 1700
Patent
active
061424846
ABSTRACT:
A composite gasket for forming a seal between a pipe bell and a spigot comprises a first axially disposed portion formed of an elastomeric material and has a first leading edge and a first trailing edge, and a second axially disposed portion, adjacent the first axially disposed portion, formed of a generally non-elastomeric substantially rigid plastic, which comprises multiple, axially extending, laterally spaced apart, ramp-like projections separated by circumferential valleys, which expose elastomeric material. Fluid entering the valleys during a high pressure surge force the composite gasket into a tighter seal.
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Brochure entitled "Anger-Lock F576", Forsheda. (Undated).
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Browne Lynne H.
Miller William L.
Vassallo Research & Development Corporation
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