Apparatus for treating a fibrous web
AssigneeVoith Paper Patent GmbH
InventorsPeter Kahl, Uwe Joos
Life of this patent
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Abstract
Apparatus for treating a fibrous web that includes at least one supporting surface arranged to support a surface of the fibrous web, and at least one sealing device positionable adjacent a surface of the web opposite the surface of the web supported by the at least one supporting surface. The at least one sealing device includes a positionably adjustable sealing element. A distance between the positionably adjustable sealing element and the surface of the web opposite the surface supported by the at least one supporting surface is adjustable.
Claims75
An apparatus for treating a fibrous web comprising:
- at least one supporting surface arranged to support a surface of the fibrous web;
- at least one first sealing device forms an upper vacuum zone;
- at least one second sealing device arranged, to form a lower vacuum zone and said upper vacuum zone, positionable adjacent a surface of the web opposite the surface of the web supported by the at least one supporting surface;
- and
- said at least one second sealing device comprising a positionably adjustable sealing element, wherein a distance between said positionally adjustable sealing element and said surface of the web opposite the surface supported by the at least one supporting surface is adjustable.
An apparatus for treating a fibrous web comprising:
- at least one supporting surface arranged to support a surface of the fibrous web;
- at least one supporting belt arranged to guide and support the fibrous web over said at least one supporting surface;
- at least one first sealing device positionable adjacent a surface of said at least one supporting belt opposite the surface supporting the fibrous web forming a upper vacuum zone;
- at least one second sealing device, positionable adjacent a surface of said at least one supporting belt opposite the surface supporting the fibrous web, arranged between a lower vacuum zone and said upper vacuum zone;
- said at least one sealing device comprising a positionably adjustable sealing element, wherein a distance between said positionably adjustable sealing element and said at least one support belt is adjustable.
An apparatus for treating a fibrous web comprising:
- at least one supporting surface arranged to support a surface of the fibrous web;
- at least one first sealing device forms a first vacuum zone;
- at least one second sealing device arranged, to form a second vacuum zone and said first vacuum zone positioned adjacent a surface of the web opposite the surface of the web supported by the at least one supporting surface;
- and
- said at least one second sealing device comprising a positionably adjustable sealing element, wherein a distance between said positionally adjustable sealing element and said surface of the web opposite the surface supported by the at least one supporting surface is adjustable,
- wherein said sealing element includes one or more blades and at least one guide, such that said at least one guide holds at least one outer end of said one or more blades which extends transversely to the web run direction.
Dependencies are inferred from the claim text.