Metal deforming – By extruding through orifice – Indirect extrusion
Patent
1981-05-20
1984-02-14
Larson, Lowell A.
Metal deforming
By extruding through orifice
Indirect extrusion
72255, B21C 2502, B21C 3506
Patent
active
044308779
ABSTRACT:
A method for cleaning inner surfaces of a container on an indirect extrusion press, using a loose die including an extruding die portion and a separable cleaning die portion. The die is continuously used after contributing to the cleaning in each cycle of press operation, replacing the cleaning die portion alone in an ejected position after extrusion of a billet.
REFERENCES:
patent: 4154081 (1979-05-01), Boshold
patent: 4231245 (1980-11-01), Ishiba
Aasari Akira
Mizoguchi Yukuo
Noyori Tatsuhiko
Takehata Tetsuro
Kabushiki Kaisha Kobe Seiko Sho
Larson Lowell A.
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