Patent · US Expired

Apparatus for preparing open structure fibers

US4316714A · kind A · utility

10Cited by
12References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 21, 1979
Grant dateFeb 23, 1982
Priority date
Expiry dateFeb 21, 1999

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD01F6/18
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

Use of special pin insert in the counterbore-orifice combination of a conventional spinnerette plate provides open structure fibers.

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