FELTED FIBROUS WEB OR BATT

• US 3,577,312 A
• Filed: 02/21/1968
• Issued: 05/04/1971
• Est. Priority Date: 02/21/1968
• Status: Expired due to Term

• Current Assignee: Leucadia 6, LLC
• Original Assignee: Donald E. Wiegand, Otis R. Videen
• Inventors: Videen, Otis R., Wiegand, Donald E.
• Application Number:
  US04/707,147
• Time in Patent Office: 1,168 Days
• US Class Current: 162/148
• CPC Class Codes: D04H 1/64 the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
• CPC Class Codes: D21H 11/02 Chemical or chemomechanical or chemothermomechanical pulp
• CPC Class Codes: D21H 23/10 at least two kinds of compounds being added
• CPC Class Codes: D21H 5/2628 Formation of a product from several constituents, e.g. blends of various types of fibres, fillers and/or binders or formation from various sources and/or streams or fibres mixing non-fibrous materials with fibres as a preliminary treatment of fibres, e.g. for spinning D01G13/00
• CPC Class Codes: Y10T 428/29 Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof

Abstract

A FELTED FIBROUS WEB OR BATT HAVING ENCHANCED RESILIENCY IS PRODUCED WITH FROM 10% TO 100% SHORT FIBERS OF CHEMICALLY PULPED WOOD. A RESIN BINDER IS USED WHICH INCLUDES A CELLULOSE REACTIVE CROSSLINKING REAGENT.

Claims