Slitting and transporting roller for sheets of material

Details Slitting and transporting roller for sheets of material Slitting and transporting roller for sheets of material

1995-07-25

1998-12-15

Darling, John P.

Winding, tensioning, or guiding

Convolute winding of material

With cutting, perforating, or notching

2425334, B65H 3508

Patent

active

058487611

ABSTRACT:
A slitting and transporting roller of the described type for sheets of material is suitable particularly as a mating roller in an apparatus for winding up sheets of film, paper and similar materials coming in continuously. In the inner cavity of the roller, a separator is inserted, which forms with the periphery of the roller the boundary at least one pressure space which extends essentially axially over the whole axial length of the roller and is in contact over penetrating boreholes in the roller sheath with the surroundings. Outside of the region of the penetrating boreholes the periphery of the roller additionally is provided with a penetrating slot, which extends, in turn, essentially over the whole axial length of the roller, for a separating slitter supported in the inner cavity of the roller.

REFERENCES:
patent: 4056918 (1977-11-01), Matsumoto
patent: 5226611 (1993-07-01), Butterworth et al.
patent: 5288033 (1994-02-01), Kirkpatrick
patent: 5713534 (1998-02-01), McClenathan et al.

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