Cutting apparatus for a machine used for making bags, pouches an

Details Cutting apparatus for a machine used for making bags, pouches an Cutting apparatus for a machine used for making bags, pouches an

1987-04-16

1988-08-16

Schmidt, Frederick R.

Manufacturing container or tube from paper; or other manufacturi

Container making

Pliable container

493199, 493203, 493204, B31B 164

Patent

active

047641606

ABSTRACT:
A cutting apparatus for severing a sheath of thermoplastic material during a bag manufacturing operation. The cutting apparatus comprises a stationary frame (1) having a pair of timing pulleys (130, 131) mounted thereon which intermittently drive an endless timing belt (61) looped around the pulleys. The timing belt carries a cutter blade (56) across the width of the sheath during an intermittent cutting run for severing the sheath. The mid-portion of the timing belt is vertically displaceable by two pairs of vertically and horizontally spaced apart guide pulleys (135-138) supported on a vertically moveable frame (143, 71, 144) centered between the timing pulleys on the stationary frame. The vertically displacement of the mid-portion of the timing belt positions the cutter blade for the cutting run across the width of the sheath.

REFERENCES:
patent: 4030388 (1977-06-01), Ramsey
patent: 4230029 (1980-10-01), Schott, Jr.

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