Scrap chopper

Details Scrap chopper Scrap chopper

1975-02-05

1977-01-25

Abercrombie, Willie G.

Cutting

Cutting motion of tool has component in direction of moving...

Orbital motion of cutting blade

83347, 83674, B23D 2512

Patent

active

040044793

ABSTRACT:
A rotary chopper having upper and lower chopper rolls, in which the rolls run in contact with one another, with the chopper blades being formed flush with the surface of the rolls, the surface of the rolls between the chopper blades being formed of a relatively hard stiff resilient material, of such a nature, that at least adjacent to the location of the chopper blades themselves, it may be deflected inwardly to accomodate the overlap of the chopper blades, and then will spring outwardly again so as to constitute the smooth cylindrical surface of the roll. In this way, the scrap edge portion of the strip is permanently gripped between the nip of the rolls at all times, and at the same time the fan-like action of the blades is eliminated, since they are flush with the surface of the rolls.

REFERENCES:
patent: 1985821 (1934-12-01), Field
patent: 2951410 (1960-09-01), Brown
patent: 3205744 (1965-09-01), Huck
patent: 3274873 (1966-09-01), Sauer
patent: 3405580 (1968-10-01), Hallden
patent: 3438835 (1969-04-01), Chen et al.
patent: 3709077 (1973-01-01), Trogan et al.
patent: 3828636 (1974-08-01), Smith

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