Method of manufacture

Details Method of manufacture Method of manufacture

1991-08-23

1992-06-16

Theisen, Mary Lynn

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

264125, 425412, B29C 4302

Patent

active

051223112

ABSTRACT:
In a method of manufacturing a member having a cross-sectional area which varies along its length, the member is produced by filling a cavity 6 in a die 5 with powdered material and compressing it. The die includes portions 8, 9 and 10 at different heights around the opening 7 so as to enable the amount of powdered present in the cavity to be varied along its length without compromising the shape of the final item to be manufactured.

REFERENCES:
patent: 823139 (1906-06-01), Schaaf
patent: 3048537 (1962-08-01), Pall et al.
patent: 3439081 (1969-04-01), Enderlein
patent: 3557266 (1971-01-01), Chiba et al.

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