Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1989-08-18
1991-02-19
Shoap, Allan N.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277105, 277193, 277221, F16J 916, F16J 1502
Patent
active
049937243
ABSTRACT:
A feedthrough fitting for sealing around at least one conduit extending longitudinally through a cutout in wall at a transverse spacing from an inner surface of the cutout has an elastomeric one-piece seal having a pair of longitudinally oppositely directed faces, an outer surface corresponding generally to the inner surface, at least one longitudinally throughgoing passage extending between the faces and to the conduit, and at least one lateral split extending completely longitudinally between the faces and completely laterally from the passage to the outer surface. Thus the seal can be spread at the split to fit around the conduit. A respective end plate covers generally all of each of the faces and is formed of a plurality of separate sections together forming a hole corresponding to and longitudinally aligned with the passage. The sections of each pair are formed to a lateral side of the passage generally opposite the split with interfitting substantially part-circular edges and meet laterally at opposite edges to the opposite lateral side of the passage. Fasteners engaging longitudinally through the two plates and seal longitudinally compress the seal and force the outer surface against the inner surface. Thus the fitting can be opened at the split with the plates and fasteners in place by elastic deformation of the seal at the interfitting surfaces and pivoting of the sections of the plates of each plurality of plates relative to each other at the part-circular edges.
REFERENCES:
patent: 795444 (1905-07-01), Kales
patent: 1851940 (1932-03-01), Williams
patent: 3528668 (1970-09-01), Barton
patent: 3703297 (1972-11-01), Gignac
patent: 4130304 (1978-12-01), Hebard
patent: 4703136 (1987-10-01), Hauff
DePumpo Daniel G.
Dubno Herbert
Plastoform GmbH & Co. KG
Shoap Allan N.
Wilford Andrew
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