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US 8,784,615 B2Granted
Perforated film clothing having a tear-resistant edge
AssigneeVoith Patent GmbH
InventorsMichael Straub, Robert Eberhardt
Life of this patent
Estimating the term…
Abstract
A clothing for a paper machine is configured as a film-shaped continuous band that is closed in the circumferential direction and that has a perforated useful area and at least one edge extending between the useful area and a lateral edge. The edge area has a perforation density lower than the perforation density of the useful area.
Claims8
A clothing for a paper machine, the clothing comprising:
- a film-like continuous belt closed in a direction of rotation, said continuous belt having a perforated usable region and at least one edge region extending between said perforated usable region and a lateral edge of said continuous belt, said at least one edge region having a lower perforation density compared to said perforated usable region, wherein said at least one edge region has a plurality of pores arranged in a plurality of rows of apertures extending at constant distances in said direction of rotation, said constant distance of said aperture rows to each other and to said perforated usable region of the clothing is greater than a distance between said aperture rows of said perforated usable region of the clothing extending in said direction of rotation of the clothing.
Dependencies are inferred from the claim text.