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US 6,383,339 B1Granted
Transfer belt
AssigneeWeavexx Corporation
InventorHippolit Gstrein
Life of this patent
Estimating the term…
Abstract
A transfer belt of a web press with an extended press gap for drying a paper web includes a support belt, in particular a woven or machined belt, a water-resistant polymer layer needled onto the support belt, and a fibrous surface layer arranged on the polymer layer.
Claims25
A transfer belt for a papermaker's machine, comprising:
- a support belt;
- a first water-resistant polymer layer overlying said support belt, said polymer layer comprising polymer fibers needled into said support belt and subsequently melted together;
- and
- a surface layer with a feltlike texture overlying said polymer layer.
1 more element
A method of forming a transfer belt for use in a papermaking machine, comprising the steps of:
- providing a support belt;
- needling polymer fibers to said support belt;
- melting said polymer fibers to form a first water-resistant polymer layer that overlies said support belt;
- and
- attaching a surface layer with a feltlike texture to said polymer layer to overlie said polymer layer.
2 more elements
A transfer belt for a papermaker's machine, comprising:
- a support belt;
- a first water-resistant polymer layer overlying said support belt, said polymer layer comprising polymer fibers needled into said support belt and subsequently melted together;
- and
- a surface layer with a feltlike texture overlying said polymer layer;
- wherein the first polymer layer has a thickness of between about 20 and 90 percent of the total thickness of the transfer belt, and the surface layer has a thickness of between about 1 and 10 percent of the total thickness of the transfer belt.
2 more elements
Dependencies are inferred from the claim text.