Cutting – With means to control or modify temperature of apparatus or... – Of tool
Patent
1985-01-16
1986-09-02
Schran, Donald R.
Cutting
With means to control or modify temperature of apparatus or...
Of tool
836511, 83751, 83870, B26D 710, B26D 1547
Patent
active
046088938
ABSTRACT:
A cutting apparatus for plastic foam solids or the like which comprises a cutting wire system having a plurality of cutting wires attached substantially perpendicularly between two substantially parallel supporting rods spaced from each other so that a piece of plastic foam solid to be cut can be passed through the cutting wires between the supporting rods, and an oscillating drive engaged with the supporting rods so as to oscillate rotatably the supporting rods in opposing rotational directions and therefore to oscillate the wires to and fro lengthwise. The cutting wires are spaced from each other in either of two cutting wire positions lengthwise along the supporting rods. The cutting wires are attached eccentrically to the outer periphery of the supporting rods, each of the cutting wires which are each in a different one of the cutting wire positions lying in planes parallel to the supporting rods and each of the cutting wires in the same cutting wire position lying in the same plane. Each of the cutting wires in the different cutting wire positions is guided to and attached to opposite outer peripheral sides of each of the supporting rods so that the planes formed by the cutting wires of each of the different cutting wire positions cross each other at an acute angle. Preferably the cutting wires are heatable electrically and attached to the supporting rods by way of coil springs.
REFERENCES:
patent: 2430160 (1947-11-01), Criner
patent: 2479908 (1949-08-01), Criner
patent: 4018116 (1977-04-01), Treffner et al.
patent: 4222299 (1980-09-01), Treffner et al.
Dubno Herbert
Munchow und Huhne Maschinenbaugesellschaft mbH
Ross Karl F.
Schran Donald R.
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