Automatic edge guide
AssigneeApplied Materials, Inc.
InventorKarl-Heinrich Wenk
Life of this patent
Estimating the term…
Abstract
A web winding up or unwinding device adapted for a web-form material coating machine comprises a web roll support, the web roll support comprising a web roll changing device, and a web edge guide device, the web edge guide device comprising a sensor device adapted for determining a shifting of a lateral edge of a web of the web-form material to be wound up on or unwound from the web roll arranged on the web roll support, a web roll support displacing device adapted for laterally displacing the web roll support, and a control device adapted for controlling the sensor device and the web roll support displacing device.
Claims26
A web winding up or unwinding device adapted for a web-form material coating machine, comprising
- a web roll support comprising a web roll changing device adapted for changing a web roll essentially outside a web winding up or unwinding chamber, and
- a web edge guide device comprising
- a sensor device adapted for determining a shifting of a lateral edge of a web of the web-form material to be wound up on or unwound from the web roll arranged on the web roll support during winding up or unwinding,
- a web roll support displacing device adapted for laterally displacing the web roll support, and
- a control device adapted for controlling the web roll support displacing device on the basis of data received from the sensor device, wherein the web roll support includes a web guide roller positioned adjacent to the sensor device.
A web winding up or unwinding chamber for a web-form material coating machine, the chamber comprising a web winding up or unwinding device,
- the web winding up or unwinding device comprising a web roll support, the web roll support comprising a web roll changing device adapted for changing a web roll essentially outside the web winding up or unwinding chamber, and a web edge guide device,
- the web edge guide device comprising
- a sensor device adapted for determining a shifting of a lateral edge of a web of the web-form material to be wound up on or unwound from the web roll arranged on the web roll support during winding up or unwinding,
- a web roll support displacing device adapted for laterally displacing the web roll support, and
- a control device adapted for controlling the web roll support displacing device on the basis of data received from the sensor device, wherein the web roll support includes a web guide roller positioned adjacent to the sensor device.
A method of winding up or unwinding a web of a web-form material to be coated in a web-form material coating machine, comprising winding up or unwinding a web on or from a web roll arranged on a web roll support in a web winding up or unwinding chamber, the web roll support comprising a web roll changing device for changing the web roll essentially outside the web winding up or unwinding chamber, and simultaneously monitoring by a sensor device the position of a lateral edge of the web to be wound up on or unwound from the web roll, wherein the web roll support includes a web guide roller positioned adjacent to the sensor device, and
- if a shifting of the lateral edge of the web is determined, guiding the lateral edge of the web by laterally displacing the web roll support in a direction opposite to the shifting of the lateral edge.
Dependencies are inferred from the claim text.