Urethane dies

Details Urethane dies Urethane dies

1984-03-26

1985-04-09

Hoag, Willard E.

Metal deforming

Tool and/or tool holder

Having unitary tool-face

29445, 29458, 72465, 76101R, 76107R, 76DIG6, 76DIG7, 156245, 249134, 249175, 264137, 264219, 264225, 264258, 428242, 4284231, B21C 302, B29C 100, B29C 2700

Patent

active

045093580

ABSTRACT:
A forming tool made from resins and fillers for the cold forming of sheet metal and especially suitable for forming short runs of sheet metal parts with drop hammers, hydraulic presses or mechanical crank presses, the filler being a mixture of iron filled resin and an aggregate; the aggregate being a lightweight by-product of the steel making process.

REFERENCES:
patent: 2005591 (1935-06-01), Meyercord
patent: 3005491 (1961-10-01), Wells
patent: 3101065 (1963-08-01), Kalis
patent: 3313007 (1967-04-01), James et al.
patent: 3317178 (1967-05-01), Kreier et al.
patent: 3422663 (1969-01-01), James et al.
patent: 3427689 (1969-02-01), Windecker
patent: 3463035 (1969-08-01), Bright
patent: 3773879 (1973-11-01), Munsil et al.

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