Winding – tensioning – or guiding – Unwinding – With attachment to preceding material
Patent
1996-12-12
1998-12-29
Darling, John P.
Winding, tensioning, or guiding
Unwinding
With attachment to preceding material
2425542, 2425543, 156504, B65H 1918
Patent
active
058531416
ABSTRACT:
A method and an apparatus for automatically exchanging foil rolls, particularly in the manufacture of folding boxes with foil windows, wherein the end of one foil web is automatically connected to the beginning of the next following foil web. The method includes the steps of temporarily holding the end portion of the foil web which is about to run out, simultaneously connecting the end portion to the beginning of the next foil web, releasing the end portion after the connection has been effected, subsequently severing the end of the first foil web and, during these steps, further conveying without interruptions the foil web from a loop. The apparatus includes a connecting station arranged upstream of a folding box production plant in the sequence of operation, the connecting station including a turnstile on which the foil rolls with foil webs are arranged.
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Heiber Wolfgang
Schroder-Frerkes Julius
Darling John P.
Kneffner Friedrich
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