Device for applying a treatment medium, especially in foam form, to a running web of material
US4576112A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 23, 1984 |
| Grant date | Mar 18, 1986 |
| Priority date | — |
| Expiry date | Apr 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.