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US 4,569,883 AGranted
Paper machine clothing
AssigneeAlbany International Corp.
InventorArmen Renjilian
Life of this patent
Estimating the term…
Abstract
The disclosure is of paper machine clothing which includes a means of chemically treating the fabric of the clothing.
Claims7
A fabric for use as a paper machine clothing fabric which comprises;
- plurality of machine-direction yarns interwoven with a plurality of cross- machine direction yarns;
- and
- means for the slow release of a chemical compound for chemically treating said clothing fabric included in the woven fabric.
In a papermachine dryer fabric, which comprises woven textile yarns, the improvement, which comprises;
- hollow fibers structurally integrated in said fabric and containing a chemical compound for slow release into the fabric.
A wet press felt, which comprises:
- a seamed endless fabric having a woven base containing synthetic polymere resin hollow fibers which contain a chemical for slow release into the fabric.
A forming wire, which comprises:
- a seamed endless fabric of interwoven machine and cross-machine direction yarns, of synthetic polymeric resin monofilaments containing for slow release, a chemical for the treatment of the wire.
A papermakers wet-press felt, which comprises;
- a textile base layer;
- an intermediate layer of granular particles of a synthetic, flexible polymeric resin foam;
- and
- an upper layer for receiving a wet paper sheet affixed to the base layer and the intermediate layer by needling, said upper layer comprising a plurality of non-woven textile staple fibers;
- said foam containing a chemical for slow release into the felt.
2 more elements
Dependencies are inferred from the claim text.