Metal-detectable elastomeric material for piston seals and the l

Butchering – Sausage making – Stuffing

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452 42, 277235R, A22C 1104

Patent

active

061134821

ABSTRACT:
An elastomeric material for articles such as dynamic seals and the like is rendered detectable by conventional metal detectors through the incorporation of particles of a metallic alloy. Preferably, the resulting impregnated material contains at least 0.25% and no more than about 50% by volume of the alloy, with 2% by volume being the most favored. In one embodiment, the alloy contains 11.0% to 22.0 % by weight of Iron, 70.0% to 90.0% by weight of Nickel, and 0.0% to 7.0% by weight of Molybdenum. In another embodiment, the alloy contains 14.0% to 19.0% by weight of Iron, 80.0% to 83.0% by weight of Nickel, and 1.0% to 3.0% by weight of Molybdenum, and in the most preferred embodiment, the alloy contains about 15.43% by weight of Iron, about 82.39% by weight of Nickel, and about 2.17% by weight of Molybdenum.

REFERENCES:
patent: 3456285 (1969-07-01), Miller et al.
patent: 4097962 (1978-07-01), Alley et al.
patent: 4205904 (1980-06-01), Skubich et al.
patent: 4763792 (1988-08-01), Kind
patent: 4922746 (1990-05-01), Hulsman et al.

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