Seal for a joint or juncture – Seal between fixed parts or static contact against... – Contact seal for a pipe – conduit – or cable
Reexamination Certificate
2005-02-22
2005-02-22
Pickard, Alison (Department: 3676)
Seal for a joint or juncture
Seal between fixed parts or static contact against...
Contact seal for a pipe, conduit, or cable
C277S611000, C277S616000, C277S626000, C285S336000
Reexamination Certificate
active
06857638
ABSTRACT:
A gasket for establishing a seal between the flanges of sanitary pipe fittings having a lumen of pre-determined diameter which comprises an O-ring portion of elastomeric material and an incompressible ring member bonded to said O-ring portion, said ring member having a substantially flat cross-section to limit compression of the O-ring.
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“Hygienic Pipe Couplings”, prepared by Subgroup Pipe Couplings of the European Hygienic Equipment Design Group (EHEDG), Feb. 1995, for DIN, German Institute for Standardization, pp1-10.
Dupont Paul Robert
Haase Colin W.
Patel Vishal
Pickard Alison
Popper Howard R.
Rubber Fab, Inc.
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