Load bearing swab cup

Details Load bearing swab cup Load bearing swab cup

1985-04-10

1987-01-27

Husar, Stephen F.

Expansible chamber devices

Piston

Side wall portion includes peripheral axially extending...

277212C, 277235R, 417555A, F16J 900

Patent

active

046387269

ABSTRACT:
An improved reinforcement cage assembly for use in the manufacture of a load lifting swab cup wherein the swab cup includes an elastomeric material bonded to the reinforcement cage assembly. The reinforcement cage assembly includes a metal base assembly and a plurality of axially disposed reinforcing wire members. In addition, an improved load lifting swab cup is disclosed having as an integral part thereof the improved reinforcement cage assembly.

REFERENCES:
patent: 2581981 (1952-01-01), Taylor, Jr.
patent: 2862776 (1958-12-01), Bowerman
patent: 3399605 (1968-09-01), Landers et al.
patent: 3417673 (1968-12-01), Bowerman
patent: 3724337 (1973-04-01), Richardson
patent: 3724338 (1973-04-01), Richardson
patent: 4254962 (1981-03-01), Blackwell
Oil States Industries General Catalog 1984-1985, p. 3.

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