Plastic and nonmetallic article shaping or treating: processes – With measuring – testing – or inspecting
Patent
1974-09-16
1976-12-28
Hoag, Willard E.
Plastic and nonmetallic article shaping or treating: processes
With measuring, testing, or inspecting
264109, 264111, 264120, 264334, 264336, 425 78, 425149, 425344, 425356, B29C 300, B29C 700
Patent
active
040002314
ABSTRACT:
Method of using an opposed ram hydraulic press for compressing powder in a die to form a compact. The press including hydraulic and electrical control circuits for decompressing the compact progressively and smoothly to a relatively low punch hold down force and maintaining this hold down force relatively constant until the compact is substantially completely ejected from the die.
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Hoag Willard E.
Hydramet American Inc.
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