Method and apparatus for treatment of an endless web of material with vacuum
US5840101A · kind A · utility
4Cited by
4References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 13, 1996 |
| Grant date | Nov 24, 1998 |
| Priority date | — |
| Expiry date | May 13, 2016 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF26B13/16
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method and an apparatus for the treatment of an endless web, wherein exhaust vapors, formed in a treatment chamber, are withdrawn together with returned gases with a vacuum from the treatment chamber and are led into a separator to be separated into gas and liquid. The gas is further heated in a vacuum generator and is then returned into the treatment zone, wherein the endless web is led in the treatment zone over rollers with heating devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.