Back to results
US 4,427,734 AGranted
Wet press felt for papermaking machines
AssigneeAlbany International Corp.
InventorCary P. Johnson
Life of this patent
Estimating the term…
Abstract
The disclosure is of a new wet press felt for use on papermaking machines. The wet press felt of the invention comprises a conventional felt fabric having needled thereto a plurality of non-woven layers of synthetic, textile fibers. Interposed between the layers of synthetic textile fibers are mesh fabrics (4 to 32 mesh) which support the individual non-woven layers and retard compaction of the overall construction.
Claims2
A wet press felt for use on a papermaking machine, which comprises;
- a base fabric of interwoven textile yarns;
- a plurality of non-woven layers of synthetic, textile fibers each of which is attached to an adjacent layer and collectively to the base fabric by needling;
- and
- a layer of a monofilament mesh fabric (4 to 32 mesh) interposed between and attached by needling to the faces of adjacent layers of the non-woven textile opposed to those attached to the base fabric fibers, said mesh being made of a synthetic, polymeric resin.
1 more element
Dependencies are inferred from the claim text.