Impression packer sleeve

Details Impression packer sleeve Impression packer sleeve

1974-07-29

1976-10-05

Aegerter, Richard E.

Pipes and tubular conduits

Structure

138118, 1381181, 428908, F16L 912

Patent

active

039839060

ABSTRACT:
An impression sleeve for use in an impression packer comprising a smooth rolled sheet adapted to be connected on the outside of a packer to form an impression cover therefor, said sheet composed of about 60% to 80% by weight synthetic nitrile rubber, about 10% to 20% by weight natural rubber smoked sheet, about 5% to 15% by weight hydrated amorphous silica, and about 2% to 6% by weight of rubber processing oil.

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patent: 2271125 (1942-01-01), Juve et al.
patent: 2764572 (1956-09-01), Pechukas
patent: 2806012 (1957-09-01), Allen
patent: 2870105 (1959-01-01), Ridgway et al.
patent: 2914503 (1959-11-01), Pechukas
patent: 3046601 (1962-07-01), Hubert et al.
patent: 3115178 (1963-12-01), Tomarkin
patent: 3324075 (1967-06-01), Burak
patent: 3411970 (1968-11-01), Perrin
patent: 3451458 (1969-06-01), Steieber
patent: 3700690 (1972-10-01), Burke

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