B - Operations – Transporting – 30 – B
Patent
B - Operations, Transporting
30
B
18/1025, 13/23
B30B 15/22 (2006.01) B30B 11/06 (2006.01) B29C 3/00 (1980.01)
Patent
CA 1037212
CONTINUOUS METHOD OF AND APPARATUS FOR MAKING BARS FROM POWDERED METAL Abstract of the Disclosure Powdered metal is continuously introduced into a die cavity in discrete quantities and compacted into bar seg- ments to form a bar. The cavity has a fixed cross-sectional area and is open at both ends, except during the initial compaction when one end is closed. After formation of a length of the bar, the frictional resistance between the bar and the cavity wall is relied on so that the bar remain- ing the cavity serves as a stopper for subsequent compactions of the discrete quantities of powdered metal to form the continuous bar. The bar is forced out of the cavity and may be passed through an induction furnace for sintering, and through a swager, all preferably in a continuous opera- tion. Also provided is means for varying the compaction so that the bar lengths formed from the discrete quantities of powdered metal are compacted and bonded into a bar of substantially uniform physical characteristics along its length.
228321
Lohman Gordon R.
Woodburn James (jr.)
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