Patent · US Expired

Apparatus for applying preparation agents to a bundle of filaments

US4051807A · kind A · utility

14Cited by
10References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 22, 1976
Grant dateOct 4, 1977
Priority date
Expiry dateMar 22, 1996

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD06B1/08
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Apparatus for applying preparation agents onto a large filament bundle passing through substantially vertically, comprising an applicator head with a slit for applying the preparation agent and at least one guide edge for guiding the filament bundle. A supply duct supplies the preparation agent to the slit. The applicator head consists of at least two opposite surfaces forming the slit and the guide edge, which surfaces are provided at least in the slit with a roughness assisting the distribution of the agent in the slit.

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