Method for washing material wound on a perforated beam
US4741061A · kind A · utility
0Cited by
3References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 9, 1987 |
| Grant date | May 3, 1988 |
| Priority date | — |
| Expiry date | Jan 9, 2007 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06B5/22
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention relates to a method and to apparatus for washing material wound on a beam, in which from the time at which a specific degree of cleanness has been reached in the central region of the roll length until the end of the washing process the proportion of the washing fluid coming out of the central region of the roll length is returned directly to the beam. In this way water and energy can be saved on a considerable scale.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.