Paper web trimming apparatus having feed band chopper

Details Paper web trimming apparatus having feed band chopper Paper web trimming apparatus having feed band chopper

1974-12-16

1976-06-22

Schran, Donald R.

Cutting

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

Combined with other type cutter

83 44, 83408, 83920, B26D 900

Patent

active

039643565

ABSTRACT:
In an apparatus for trimming a band of marginal feed holes from the marginal edge of a continuous paper web wherein the apparatus has a pair of rotary slitters for slicing the web parallel to its marginal edge and a tractor pin feed device for moving the web toward the rotary slitters, a web chopper is provided which includes a rotary chopper blade in cutting engagement with a rotary anvil for repeatedly chopping the web at its marginal edge. The chopper blade has an inner edge in alignment with the slitters so that the web may be chopped along its marginal edge during the feeding thereof into the slitters which serve to thereafter slit along the web to thereby separate the feed hole band from the web into short strips.

REFERENCES:
patent: 3415148 (1968-12-01), O'Brien
patent: 3739667 (1973-06-01), Ernst
patent: 3774485 (1973-11-01), Kercher
patent: 3831502 (1974-08-01), Tokuno

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