Oil well swab cup

Details Oil well swab cup Oil well swab cup

1976-07-23

1978-03-28

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277235R, 92241, 92254, F16J 1532

Patent

active

040811859

ABSTRACT:
An oil well swab cup with improved wear characteristics utilizes a single integral reinforcing structure featuring a wear surface forming a substantial portion of the external surface of the cup.

REFERENCES:
patent: 1601720 (1926-10-01), Christenson
patent: 2305282 (1942-12-01), Taylor et al.
patent: 2352812 (1944-07-01), Taylor
patent: 2438992 (1948-04-01), Childers
patent: 2619393 (1952-11-01), Wilson et al.
patent: 2723721 (1955-11-01), Corsette
patent: 2887347 (1959-05-01), Losey
patent: 3081136 (1963-03-01), Waldrop
patent: 3417673 (1968-12-01), Bowerman
patent: 3450412 (1969-06-01), Collett
patent: 3722053 (1973-03-01), Berry et al.

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