Claims
- 1. A web winding device for winding a material web into a winding roll, the device comprising:a rotatably driven first support roller having a circumferential shell and an end face on an axial end of said circumferential shell, said shell having a plurality of shell openings extending therethrough; a plurality of conduits axially disposed within and rotating with said first support roller and axially extending to said end face, said shell openings communicating with said conduit; a second support roller; a winding bed area defined by said first and said second support rollers; a winding bed pressurization device configured to provide pressure in said winding bed area; and a seal stationarily and fixedly mounted to seal said end face, said conduits in communication with said seal at a portion of the rotation of said first support roller.
- 2. The web winding device according to claim 1 wherein said seal is a roller pressurization device.
- 3. The web winding device according to claim 1 wherein said seal is a flat seal.
- 4. The web winding device according to claim 1, wherein said first support roller is adapted to provide suction at the surface of said first support roller, the suction being present during the winding of the material web.
- 5. The web winding device according to claim 4, wherein said shell openings are in communication with a suction device, said suction device being fixed relative to the rotation of said first support roller.
- 6. The web winding device according to claim 4, further comprising a suction adjustment device configured to adjust the suction magnitude.
- 7. The web winding device according to claim 6, wherein said suction adjustment device is adapted to provide suction of less intense magnitude than the magnitude of the suction during the changing of a roll of the material web.
- 8. The web winding device according to claim 4, wherein said pressure and said suction are provided at said end face at the same axial end of said circumferential shell.
- 9. A web winding device for winding a material web into a winding roll, the device comprising:a rotatably driven first support roller having a circumferential shell and an end face on an axial end of said circumferential shell, said shell having a plurality of shell openings extending therethrough; a plurality of conduits axially disposed within said first support roller and axially extending to said end face, said shell openings communicating with said conduit whereupon at said end face, said plurality of conduits is adapted to be in sequential communication with a suction device over a portion of the rotation of said first support roller; a second support roller; a winding bed area defined by said first and said second support rollers; a winding bed pressurization device configured to provide pressure in said winding bed area; and a seal stationary and fixedly mounted to seal said end face, said conduits in communication with said seal at a portion of the rotation of said first support roller.
- 10. The web winding device according to claim 1, wherein a plurality of said openings are radially connected in communication with a said conduit.
- 11. The web winding device according to claim 1, wherein a cross-sectional area of each of said conduits is greater than a cross-sectional area of each corresponding said shell opening.
- 12. The web winding device according claim 1, wherein said shell of said first support roller comprises a plurality of active elements that are evenly spaced about said shell.
- 13. The web winding device according to claim 12, wherein all said active elements are configured identically.
- 14. The web winding device according to claim 12, wherein each said active element has an elastic surface.
- 15. The web winding device according to claim 1, the web winding device being adapted to guide the material web over a suction zone of said first support roller at a position outside said winding bed area.
- 16. A web winding device for winding a material web into a winding roll, the device comprising:a rotatably driven first support roller having a circumferential shell and opposed ends, said shell having a plurality of shell openings extending therethrough; an end face disposed at one of said opposed ends of said first support roller; a plurality of conduits axially disposed within said first support roller and axially extending to said end face; a second support roller; a winding bed area defined by said first and said second support roller, and adapted to support the winding roll; and a suction device fixedly mounted to said end face, said suction device defining a suction zone upstream from said winding bed area with respect to the direction of rotation of said first roller, said plurality of conduits adapted to be in sequential communication with said suction device over a portion of the rotation of said first support roller, said suction zone being further adapted to provide suctional force through said conduits in sequential communication with said suction device over a portion of the rotation of said first support roller; wherein said end face of said first support roller has a seal adjacent to said conduits, said conduits being sequentially adjacent to said seal over a portion of the rotation of said first support roller, said seal preventing the passage of gas through said shell openings in communication with said winding bed area.
- 17. The web winding device according to claim 16, said winding bed area further having a sealing box for sealing said winding bed area.
- 18. The web winding device according to claim 17, further comprising a roller pressurization device adjacent to said plurality of conduits, said plurality of conduits being sequentially in communication with said roller pressurization device over a portion of the rotation of said first support roller.
- 19. The web winding device according to claim 18, wherein said suction device and said roller pressurization device are both located on the same end face of said first support roller.
- 20. A web winding device for winding a material web into a winding roll, the device comprising:a rotatably driven first support roller having a circumferential shell and opposed ends, said shell having an outer surface, an inner surface and further having a plurality of shell openings therethrough; a end face disposed at one of said opposed ends of said first support roller; a plurality of conduits axially disposed within said first support roller and axially extending to said end face, at least one of said plurality of shell openings communicating with each said conduit; a second support roller; a winding bed area defined by said first and said second support roller, and adapted to support the winding roll, said winding bed area further having a sealing box for sealing said winding bed area; and a roller pressurization device in communication with said end face, said conduits being in sequential communication with said roller pressurization device, said roller pressurization device being adapted to pressurize said winding bed area by providing pressurized gas to said conduits at a portion of the rotation of said first support roller.
- 21. A method of winding a material web into a winding roll, the winding roll being supported by a first and a second rotating support roller defining a winding bed area, the first support roller having a circumferential shell and opposed ends, the shell having a plurality of shell openings extending therethrough and being in communication with a plurality of conduits axially disposed within the circumferential shell, an end face adjacent to one opposed end of the support roller, the conduits in communication with the end face, a suction device fixedly mounted to a portion the end face at a portion of the rotation of the first support roller, said method comprising:rotating the conduits such that the conduits sequentially communicate with the suction device, over a portion of the rotation of the first support roller; providing suctional force through the conduits in communication with the suction device; sealing the winding bed area; sequentially moving the conduits in communication with a roller pressurization device, over a portion of the rotation of the first support roller; and pressurizing the winding bed area by providing pressurized gas through the conduits in communication with the roller pressurization device.
- 22. The method of winding a material web into a winding roll according to claim 21, further comprising suctionally holding the material web to the circumferential shell at a point which is upstream from the winding bed area with respect to a rotation direction of the first roller.
- 23. The method of winding a material web into a winding roll according to claim 22, further comprising threading the material web onto the winding roll.
- 24. The method of winding a material web into a winding roll according to claim 21, wherein said providing suctional force and said pressurizing are both provided at the same end of the first support roller.
- 25. A method of winding a material web into a winding roll, the winding roll being supported by a first and a second rotating support roller defining a winding bed area, the first support roller having a circumferential shell and opposed ends, the shell having a plurality of shell openings extending therethrough and being in communication with a plurality of conduits axially disposed within the circumferential shell, an end face adjacent to one opposed end of the support roller, the conduits in communication with the end face, a suction device fixedly mounted to a portion the end face at a portion of the rotation of the first support roller, said method comprising:rotating the conduits such that the conduits sequentially communicate with the suction device, over a portion of the rotation of the first support roller; providing suctional force through the conduits in communication with the suction device; sealing the winding bed area; sequentially moving the conduits in communication with a flat seal, over a portion of the rotation of the first support roller; and sealing the shell openings in communication with the conduits in communication with the flat seal.
- 26. The method of winding a material web into a winding roll according to claim 25, wherein said providing suctional force and said pressurizing are both provided at the same end of the first support roller.
- 27. A method of winding a material web into a winding roll, the winding roll being supported by a first and a second rotating support roller defining a winding bed area, the first support roller having a circumferential shell and opposed ends, the shell having a plurality of shell openings extending therethrough and being in communication with a plurality of conduits axially disposed within the circumferential shell, an end face adjacent to one opposed end of the support roller, the conduits being in communication with the end face, a roller pressurization device fixedly mounted to the end face, said method comprising:rotating the conduits such that the conduits sequentially communicate with the suction device, over a portion of the rotation of the first support roller; and pressurizing the winding bed area by providing pressurized gas through the conduits in communication with the roller pressurization device.
- 28. The method of winding a material web into a winding roll according to claim 27, further comprising sealing the winding bed area.
Priority Claims (1)
Number |
Date |
Country |
Kind |
198 01 599 |
Jan 1998 |
DE |
|
CROSS-REFERENCE TO RELATED APPLICATIONS
The present application claims priority under 35 U.S.C. § 119 of German Patent Application No. 198 01 599.2, filed on Jan. 17, 1998, the disclosure of which is expressly incorporated by reference herein in its entirety.
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