| 摘要 |
1,159,607. Stamping; drawing. KABELUND METALLWERKE NEUMEYER G.m.b.H. 5 Oct., 1966 [5 Oct., 1965], No. 44473/66. Headings B3P and B3Q. [Also in Divisions B2 and F2] Prior to further shaping, other than by cutting, a metal workpiece is first subjected to phosphate treatment and then covered with a soap this being deposited from a soap solution to which dry lubricant has been added. There may be used zinc phosphate for the phosphating treatment, zinc stearate as the soap, and graphite or molybdenum disulphide as dry lubricant. The dry lubricant is added to the heated soap solution with thorough mixing. Shaping to form drawn pieces or pressings is mentioned. |
