Press blanket

B - Operations – Transporting – 30 – B

Patent

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Details

B30B 9/02 (2006.01) B29C 39/02 (2006.01) B29C 70/08 (2006.01) B29C 70/20 (2006.01) B30B 9/24 (2006.01) B32B 27/04 (2006.01) D21F 3/02 (2006.01)

Patent

CA 2145965

A press blanket for a pressing device intended for extracting liquid from a pulp web in the extended press nip of a papermaking machine, comprises an inner layer that faces away from the pulp web and consists of an elastomeric matrix material, in which reinforcing threads are embedded and on which an outer wear- resisting layer is provided on the surface facing the web. The wear-resisting layer consists preferably of the same matrix material as the inner layer and is reinforced by embedded wear- resisting particles consisting of rock dust, ceramic powder or glass frit. During production, the elastomeric material is poured onto a casting mold while the reinforcing threads are wound into the material, and the second layer is poured onto the first layer before the latter has cured so that an especially good bond is obtained between the two layers.

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