Process for the production of winding core rolls

Details Process for the production of winding core rolls Process for the production of winding core rolls

1994-05-13

1996-03-12

Ball, Michael W.

Metal working

Method of mechanical manufacture

Roller making

29448, 29450, 2989523, 156156, B23P 1102

Patent

active

054975492

ABSTRACT:
A process for the production of core rolls for the winding of sheet maters, and particularly of photographic base papers, includes a deformable rubber tube which is inserted into a mounting tube and inflated therein through a core casing. The core casing is then slid into the inflated rubber tube and the rubber tube is deflated, and by residual stress the rubber tube exerts a pressure on the exterior surface of the core casing and adheres firmly to it.

REFERENCES:
patent: 1608206 (1926-11-01), Freedlander
patent: 2783819 (1957-03-01), Duff
patent: 3070281 (1962-12-01), Durkin et al.
patent: 3611536 (1971-10-01), Guenther et al.
patent: 3714693 (1973-02-01), Peterson
patent: 3846901 (1974-11-01), Lovett
patent: 4089265 (1978-05-01), White et al.
patent: 4573251 (1986-03-01), Hillyard
patent: 5072504 (1991-12-01), Thompson

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