Mechanical sealing device

Details Mechanical sealing device Mechanical sealing device

2005-08-23

2005-08-23

Pickard, Alison (Department: 3676)

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

C277S360000, C277S371000, C277S408000

Reexamination Certificate

active

06932348

ABSTRACT:
Even high viscosity fluid or slurry-contained fluid can be securely sealed without deficiency of a liquid sealing device. The sealing liquid device includes an annular packing made of rubber-like elastic material, the annular packing having a secured section fitted with fluid tight to one retaining surface between the first stationary seal ring and the seal flange and having a seal lip section fitting to the other contact face for sealing.

REFERENCES:
patent: 3075780 (1963-01-01), Mayer
patent: 3722896 (1973-03-01), Tankus
patent: 4082297 (1978-04-01), Adams
patent: 5062777 (1991-11-01), Carlsson
patent: 5238253 (1993-08-01), Sieghartner
patent: 5354070 (1994-10-01), Carmody
patent: 5489105 (1996-02-01), Attenasio et al.
patent: 5577738 (1996-11-01), Fukuda
patent: 5924698 (1999-07-01), Parkin
patent: 5938205 (1999-08-01), Azibert et al.
patent: 6428011 (2002-08-01), Oskouei

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