Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1992-06-23
1993-05-11
Cuchlinski, Jr., William A.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277 35, 277178, F16T 1532
Patent
active
052095029
ABSTRACT:
A dual lip shaft seal includes two sealing disks bonded directly to a radial wall of an annular metal case. The radial wall has an annular step, such that two separate mounting surfaces are formed for mounting the two disks. Each sealing disk is preferably formed of PTFE and heat-bonded to its respective mounting surface by an induction heater coil disposed in confronting relation to the radial wall of the metal case.
REFERENCES:
patent: 2979345 (1961-04-01), Potter
patent: 4522411 (1985-06-01), Burgan
patent: 4623153 (1986-11-01), Nagasawa
patent: 4822059 (1989-04-01), Shimasaki et al.
patent: 4834397 (1989-05-01), Shimasaki et al.
patent: 4943068 (1990-07-01), Hatch et al.
Cuchlinski Jr. William A.
DePumpo Daniel G.
Mather Seal Company
Shurupoff Lawrence J.
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