Oilwell swab cup

Details Oilwell swab cup Oilwell swab cup

1976-12-27

1978-07-11

Cohen, Irwin C.

Expansible chamber devices

Piston

Side wall portion includes peripheral axially extending...

166202, 417555A, F16J 104, F16J 1532

Patent

active

040994511

ABSTRACT:
An oilwell swab cup is formed by clamping a plurality of vertical wire members in a circular U-shaped cup and molding an elastomeric material around the wires and cup.

REFERENCES:
patent: 2305282 (1942-12-01), Taylor, Jr. et al.
patent: 2317433 (1943-04-01), Bell
patent: 2512098 (1950-06-01), Gratzmuller
patent: 2664952 (1954-01-01), Losey
patent: 2862776 (1958-12-01), Bowerman
patent: 2918336 (1959-12-01), Works et al.
patent: 3724337 (1973-04-01), Richardson

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