Method in destructing chills and a device for carrying out the m

Details Method in destructing chills and a device for carrying out the m Method in destructing chills and a device for carrying out the m

1975-09-29

1978-06-13

Larson, Lowell A.

Metal deforming

With cutting

By composite tool

225103, 164371, 249 61, 249205, 299 22, B21D 3104

Patent

active

040941817

ABSTRACT:
This invention is related to an improved technique for destructing chills. A novel tool, preferably in the form of a piston cylinder mechanism is introduced into the cavity of the chill, said tool comprising at least two reciprocally movable parts which are set in motion relative to each other in the cavity so as to squeeze apart the walls of the chills or portions thereof.

REFERENCES:
patent: 2686047 (1954-08-01), Duncan
patent: 3295171 (1967-01-01), Strange et al.
patent: 3727599 (1973-04-01), Sugiki et al.
patent: 3931997 (1976-01-01), Enami

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