Swab cup having long and short reinforcing members

Details Swab cup having long and short reinforcing members Swab cup having long and short reinforcing members

1979-07-25

1981-03-10

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277212C, 92241, F16J 104, F16J 1556

Patent

active

042549620

ABSTRACT:
A well swab cup has an annular bushing for supporting a plurality of longitudinally extending wire reinforcing members within an elastomeric cup like body. The reinforcing members are supported in a base cup around the lower portion of the bushing and extend upward to a mid-portion of the body. Approximately one half of the reinforcing wire members extend the full length of the swab cup and the others terminate at a mid-point of the swab cup's length within its elastomeric body.

REFERENCES:
patent: 2581981 (1952-01-01), Taylor
patent: 2723721 (1955-11-01), Corsette
patent: 3677143 (1972-07-01), Crickmer
patent: 4099451 (1978-07-01), Blackwell

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