Feeding apparatus for a machine for feeding and cutting sheet ma

Details Feeding apparatus for a machine for feeding and cutting sheet ma Feeding apparatus for a machine for feeding and cutting sheet ma

1989-05-30

1991-08-27

Bray, W. Donald

Cutting

Tool with either work holder or means to hold work supply

Rotatable wound package supply

83 24, 83 56, 83402, B26D 700

Patent

active

050423517

ABSTRACT:
The invention provides an improved feeding apparatus for transporting sheet material through a sheeting machine using an airstream. This feeding apparatus includes a modified pressure roll and an airstream that is circulated around the pressure roll, through passages in the surface of the pressure roll, and across the surface of the sheet material. The passage of the airstream over the sheet material creates a lifting force suspending the material above the interior surfaces of the machine to reduce or eliminate snags, snarls and blockages of the sheet material within the machine.

REFERENCES:
patent: 2668705 (1954-02-01), Rosenthal
patent: 3177748 (1965-04-01), Rosenthal
patent: 3299756 (1967-01-01), Rosenthal
patent: 3760669 (1973-09-01), Rosenthal et al.
patent: 4781336 (1988-11-01), Rosenthal et al.

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