Patent · US Expired

Device for applying a treatment medium, especially in foam form, to a running web of material

US4576112A · kind A · utility

23Cited by
4References
33Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 23, 1984
Grant dateMar 18, 1986
Priority date
Expiry dateApr 23, 2004

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD06B1/16
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A device for applying a treatment medium, especially in foam form, to a running web of material, especially a rug web, with an application beam extending transversely to the web of material, the application beam having a longitudinal slot, through which the treatment medium emerges onto the web of material. On the side opposite the slot an elastic cushion which presses the web of material against the sliding surface of the application beam is arranged on the back of the web of material. The cushion may be an inflatable elastic hollow body or a foam material cushion.

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