Patent · US Expired

Method for providing shaped fiber

US4261945A · kind A · utility

11Cited by
8References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 21, 1979
Grant dateApr 14, 1981
Priority date
Expiry dateFeb 21, 1999

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD01D5/253
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

By blocking part of a spinnerette orifice with a wire strand desirable cross-sectional shaped fibers of acrylonitrile polymer are obtained.

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