Method for die cutting plastic foam

Details Method for die cutting plastic foam Method for die cutting plastic foam

1987-06-10

1989-08-15

Yost, Frank T.

Cutting

Processes

Plural cutting steps

83 55, 83 84, 83 85, 83138, 83167, 83556, 83685, B26F 140

Patent

active

048563935

ABSTRACT:
A die cutter for cutting a product from a sheet of material. The die cutter has a rule die blade, which defines the shape of the product. The die blade is held by a die holder, which has an opening corresponding to the die blade, so that the cut product can pass through the die holder. A platen is mounted for relative movement toward and away from the die holder, and has a groove corresponding to the die blade. The die blade thus does not contact the platen at any time. The platen also has passages for the removal of chaff. A resilient stripper plate is mounted on the die holder, adjacent to the die blade, for stripping the material away from the die blade.

REFERENCES:
patent: 928256 (1909-07-01), Grissom
patent: 1941016 (1933-12-01), Mayle
patent: 3150550 (1964-09-01), Berlin et al.
patent: 3167985 (1965-02-01), Madsen
patent: 3762258 (1973-10-01), Bender
patent: 3850064 (1974-11-01), Dwyer
patent: 4441395 (1984-04-01), McRoskey
patent: 4499802 (1985-02-01), Simpson
patent: 4509396 (1985-04-01), Schall et al.
patent: 4526074 (1985-07-01), Johnson

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