Patent · US Expired

Method of producing twisted, curly fibers

US6984447B2 · kind B2 · utility

1Cited by
10References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 26, 2002
Grant dateJan 10, 2006
Priority date
Expiry dateOct 31, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/2965
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A method of forming twisted, curly fibers from a wet wood pulp without the aid of a wet fluffing process or a chemical cross-linker. The method includes forming the wet wood pulp into fiber bundles and subsequently thermally drying the fiber bundles. The invention also includes curly fibers derived from the method of the invention.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.