Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1984-03-01
1985-11-19
Ward, Robert S.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277134, 277166, F16J 1532
Patent
active
045537631
ABSTRACT:
A seal ring has a lip ring which is at least radially resilient and has a sealing lip for sealing about a reprocating or rotating machine part and a support surface axially spaced from the sealing lip. A reinforcing ring is radially spaced from the lip ring and coaxial therewith. An intermediate ring extends, in part, approximately parallel to the axis of the lip and reinforcing rings. It joins the lip ring at one end within the axial range of the support surface and, via the axis parallel part, joins the reinforcing ring at its other end within an axial region bounded by the sealing lip and the end of the support surface axially remote therefrom. This arrangement of the intermediate ring accommodates radial displacement of the machine part without displacing of the sealing lip from the machine part by tilting moments.
REFERENCES:
patent: 4114898 (1978-09-01), Bainard
patent: 4252329 (1981-02-01), Messenger
patent: 4274641 (1981-06-01), Cather
patent: 4344631 (1982-08-01), Winn
patent: 4449717 (1984-05-01), Kitawaki et al.
Freudenberg Carl
Ward Robert S.
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