Method of and apparatus for shaping the corners of stacked sheet

Details Method of and apparatus for shaping the corners of stacked sheet Method of and apparatus for shaping the corners of stacked sheet

1991-04-16

1993-05-18

Yost, Frank T.

Cutting

Processes

With subsequent handling

83 91, 83282, 83158, 83422, 83100, 83452, 834712, 83934, B26D 706

Patent

active

052110907

ABSTRACT:
The corners of stacked sheet material, for example overlay material being employed in the formation of book covers, are simultaneously removed by a cutting appliance having plural knives. Stacks of the sheets of overlay material are delivered to the cutting appliance by carriers which move along a continuous path and, after the cutting operation, the carriers deliver the sheet material to the feed station of a downstream processing machine.

REFERENCES:
patent: 445923 (1981-02-01), Carrer
patent: 3559516 (1971-02-01), Freeman
patent: 3733947 (1973-05-01), Bryson et al.
patent: 4648772 (1987-03-01), Hartlage
patent: 4941376 (1990-07-01), Otsuka

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