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US 5,100,848 AGranted
Oxide type solid lubricant containing Cr.sub.2 O.sub.3 and Na.sub.2 ZrO.sub .
AssigneesAgency of Industrial Science and Technology, Ministry of International Trade & Industry
InventorsYuji Enomoto, Kazunori Umeda
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Abstract
An oxide type solid lubricant is made up of a sintered composite ceramic mass of Cr.sub.2 O.sub.3 and Na.sub.2 ZrO.sub.3 and has a Cr.sub.2 O.sub.3 content in the range of from 20 to 50% by weight.
Claims5
An oxide type solid lubricant in the form of a sintered composite ceramic material resulting from the sintering of Cr.sub.2 O.sub.3 and Na.sub.2 ZrO.sub.3 and having a Cr.sub.2 O.sub.3 content in the range of from 20 to 50% by weight.
Dependencies are inferred from the claim text.