Monolith extrusion die construction method

Details Monolith extrusion die construction method Monolith extrusion die construction method

1982-01-11

1984-12-11

Moon, Charlie T.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29445, 29558, 76107R, 228161, 228170, 264177R, 425462, 425464, B23P 1516

Patent

active

044869347

ABSTRACT:
In accordance with a preferred embodiment, a monolith extrusion die is formed by separately drilling matching feed holes for extruded material in each of two plates. In one plate the feed holes are shallow and carefully drilled for accurate alignment with the extrusion slots of the die. In the other plate, the holes are accurately located at the drill entry point, but thereafter rapidly drilled without regard to drift. The plates are then bonded together to form my die.
Other methods of forming an extrusion die using two plates are disclosed.

REFERENCES:
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patent: 3283616 (1966-11-01), Balcenik et al.
patent: 3790654 (1974-02-01), Bagley
patent: 4118456 (1978-10-01), Blanding et al.
patent: 4163640 (1979-08-01), Higuchi et al.
patent: 4235583 (1980-11-01), Reed
patent: 4242075 (1980-12-01), Higuchi et al.
patent: 4290743 (1981-09-01), Suzuki
patent: 4321025 (1982-03-01), Cunningham
patent: 4354820 (1982-10-01), Yamamoto
patent: 4373895 (1983-02-01), Yamamoto

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