Bearing assembly and the like for use in corrosive and non-corro

Details Bearing assembly and the like for use in corrosive and non-corro Bearing assembly and the like for use in corrosive and non-corro

1976-03-15

1979-07-31

Bertsch, Richard A.

Cutlery

308DIG5, 308DIG8, F16C 3324

Patent

active

041628136

ABSTRACT:
This invention relates to a novel machine element characterized by mutually rubbing surfaces which are composed of dissimilar materials having high hardness, a low coefficient of friction, and resistance to corrosion by halogen-containing atmospheres. As exemplified by the preferred embodiment for use in gaseous UF.sub.6, the rubbing surfaces are chemically deposited nickel and anodized aluminum. These surfaces permit jam-free operation despite long-term exposure to UF.sub.6. Preferably, both surfaces have a hardness of at least about 500 HV.sub.100 on the Vickers hardness scale, and preferably the anodized-aluminum surface is of a type having comparatively little tendency to sorb uranium hexafluoride.

REFERENCES:
patent: 2696413 (1954-12-01), Wheildon, Jr.
patent: 2887766 (1959-05-01), Fike et al.

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