Papermachine clothing
AssigneeVoith Fabrics Heidenheim GmbH & Co. KG
InventorJohn Jeffrey
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Abstract
Papermachine clothing comprises a base fabric comprising at least two superimposed perforated non-woven membranes (11, 12), the upper or paper side one of which (11), has a lower maximum creep modulus and is less hard than the lower or machine side membrane (12).
Claims8
Paper machine clothing including a base fabric comprising at least two superposed perforated non-woven membrane layers of material in mesh form, characterised in that the lower (machine side) membrane layer consists of a harder material than the upper (paper side) membrane layer, which has a lower maximum creep modulus than the lower membrane layer, wherein said upper membrane layer is a thermoplastic polyurethane matrix material that has a Shore A hardness of between 65 and 85 and wherein said lower membrane comprises a polyamide matrix material with a Shore D hardness of between 40 and 45.
Dependencies are inferred from the claim text.