Process for the production of winding core rolls
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United States of America Patent
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-
Mar 12, 1996
Grant Date -
N/A
app pub date -
May 13, 1994
filing date -
May 13, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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