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US 5,618,612 AGranted
Press felt having fine base fabric
AssigneeHuyck Licensco, Inc.
InventorHippolit Gstrein
Life of this patent
Estimating the term…
Abstract
A base fabric structure and a press felt incorporating that base fabric structure, having at least one set of plied monofilament twist yarns in the cross machine direction. The base fabric structure may be a single base fabric, or it may be a base fabric assembly of more than one separately woven fabric layers, of which one, more than one, or all will have plied monofilament twist yarns in the cross machine direction.
Claims25
A base fabric structure for a press felt for a papermaking machine comprising:
- at least one base fabric, said at least one base fabric produced from at least one set of machine direction yarns interwoven with at least one set of cross machine direction yarns, wherein each cross machine direction yarn of at least one set of said at least one set of cross machine direction yarns is a single, plied yarn of at least two twisted monofilaments.
A press felt for a papermaking machine comprising:
- at least one base fabric, said at least one base fabric produced from at least one set of machine direction yarns interwoven with at least one set of cross machine direction yarns, wherein each cross machine direction yarn of at least one set of said at least one set of cross machine direction yarns is a single, plied yarn of at least two twisted monofilaments;
- at least one layer of batt material positioned adjacent to said at least one base fabric needled thereto.
Dependencies are inferred from the claim text.