COPPER-LEAD ALLOY
1,254,327. Lubricants. COLORADO SPRINGS NATIONAL BANK. 18 Feb., 1969 [19 Feb., 1968], No. 8720/69. Heading C5F. [Also in Division C7] Oils or greases are modified by the addition, preferably in amounts of from a trace to 25 wt. per cent of lubricant, of a powdered alloy comprising Cu and Pb (e.g. Pb...
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Zusammenfassung: | 1,254,327. Lubricants. COLORADO SPRINGS NATIONAL BANK. 18 Feb., 1969 [19 Feb., 1968], No. 8720/69. Heading C5F. [Also in Division C7] Oils or greases are modified by the addition, preferably in amounts of from a trace to 25 wt. per cent of lubricant, of a powdered alloy comprising Cu and Pb (e.g. Pb 20-48%, balance Cu) which has been treated (see Division C7) to make it homogeneous. The use of the lubricant in sealed units is referred to. |
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