Winding – tensioning – or guiding – Tension control or brake – Take-up coil drive control
Patent
1993-07-23
1996-09-17
Jillions, John M.
Winding, tensioning, or guiding
Tension control or brake
Take-up coil drive control
2424181, 2424139, 2425353, 2425424, B65H 1816, B65H 1926
Patent
active
055560520
ABSTRACT:
A method and apparatus for the preparation of a wound roll of a web of material is provided. The apparatus utilizes a surface windup device for automatically introducing a core onto a primary lay-on roll, and automatically cuts the web so that it can be attached around a new core. A primary lay-on roll feeds the web of material onto the rotating core. The core is driven by a secondary lay-on roll. The differential in speed between the primary and secondary lay-on rolls controls the tension of the web as it is wound. This invention also incorporates a retractable cutting roll and knife assembly that moves into position to cut the web of material, assists in transferring the web of material to a new core, and then retracts to a position that does not hinder winding the new roll of wound material. The winder is also equipped with an apparatus that ejects the wound roll from the hold-down clamps as a new roll is automatically started.
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