1974-11-04
1977-08-09
Bertsch, Richard A.
Cutlery
148 12B, 308DIG8, C21D 964, F16C 3326
Patent
active
040406881
ABSTRACT:
Novel cylindrical rollers for antifriction bearings made of steel with a carbon content of 0.7 to 1.2% by weight, a sorbitic structure and a hardness increased by cold annealing to at least 50 HRC and a novel process for the preparation of said rollers.
REFERENCES:
patent: 3231432 (1966-01-01), McLean et al.
patent: 3584494 (1971-06-01), Geipel et al.
patent: 3674570 (1972-07-01), Hallstrom et al.
patent: 3783043 (1974-01-01), Almond et al.
patent: 3844848 (1974-10-01), Stacey
Anti-Friction Bearings by Hudson T. Morton (1954) p. 126.
Bertsch Richard A.
Industriewerk Schaeffler OHG
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