Solid anti-friction devices – materials therefor – lubricant or se – Solid anti-friction device – article or material therefor – Animal or plant matter
Patent
1995-09-28
1996-07-23
McAvoy, Ellen M.
Solid anti-friction devices, materials therefor, lubricant or se
Solid anti-friction device, article or material therefor
Animal or plant matter
508102, 508105, 508108, C10M10302
Patent
active
055386490
ABSTRACT:
A composition of matter for use in tribological applications, such as in mechanical seals, bearings and other sliding or rubbing components, which provides good durability and wear characteristics. The material is used in the "softer" one of two relatively sliding members which are in, or may come into, contact with each other during the relative rotation of one of the member s relative to the other. The material is a carbon or carbonaceous formed material, such as is normally used in the manufacture of a primary seal ring in a mechanical seal, and comprises an additive compound which contains at least one compound from a group consisting of neodymium fluoride, praseodymium fluoride, gadolinium fluoride and lanthanum fluoride.
REFERENCES:
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patent: 3836466 (1974-09-01), Abe
patent: 3953343 (1976-04-01), Sliney
patent: 4034133 (1977-07-01), Fleck et al.
patent: 4146379 (1979-03-01), Copley et al.
patent: 5096604 (1992-03-01), Miller
Chen Xin
Clemens William R.
Demendi Joseph F.
Le Neve Yannick A.
Malle Philippe R.
John Crane Inc.
McAvoy Ellen M.
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