Method and apparatus for continuous wet-in-wet processing
US4947501A · kind A · utility
5Cited by
5References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 3, 1988 |
| Grant date | Aug 14, 1990 |
| Priority date | — |
| Expiry date | Aug 3, 2008 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06B23/28
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention relates to a method and apparatus for continuous wet-in-wet processing of a length of material in which a continuously regulated additional dosaging occurs using a treatment both of low content, the quantity of treatment liquor added being always exactly the quantity which has just been carried off by the outgoing length of material. In this way the bath concentration can be kept constant with a high degree of accuracy and the balance in the bath is also achieved quickly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.