Patent · US Expired

Plate, foam and screen filament quenching apparatus

US4631018A · kind A · utility

9Cited by
15References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 1, 1984
Grant dateDec 23, 1986
Priority date
Expiry dateNov 1, 2004

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD01D5/092
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

An apparatus for quenching synthetic filaments which comprises an elongated chimney, a porous open-celled foam sheet, dividing said chimney longitudinally into a plenum chamber and a quenching chamber through which filaments pass in a path from an extrusion device to a means for collecting filaments and a means to supply a flow of gas to the plenum chamber. The improvement comprises a mesh screen coextensive with the foam sheet positioned between the foam sheet and the quenching chamber.

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