Method and apparatus for cutting corrugated webs

Details Method and apparatus for cutting corrugated webs Method and apparatus for cutting corrugated webs

1989-06-05

1991-12-03

Larson, Lowell A.

Metal deforming

By use of 'flying tool' engaging moving work

With cutting

72187, B21D 1304

Patent

active

050690531

ABSTRACT:
A method and apparatus for cutting corrugated webs from a strip which is continuously formed to define undulating fins or corrugations extending transversely of the strip. The method and apparatus comprise periodically interrupting the movement of the corrugated strip, spreading a corrugation in the direction of the longitudinal axis of the strip and severing the corrugation at the spread corrugation and the apex of the corrugation. More specifically the corrugated strip is interrupted, the adjacent corrugations are moved longitudinally relative one another to locate the corrugation to be cut and a cutter is moved between the adjacent apices to cut the connecting oppositely disposed apex. In one form adjacent apices are engaged and spread apart. In another form, a finger engages a side of a corrugation to position the corrugation to be cut.

REFERENCES:
patent: 2071584 (1937-02-01), Shippy
patent: 2975817 (1961-03-01), Neff
patent: 4523500 (1985-06-01), Maruyama et al.

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