Sifting drum paper machine wherein the diluent water is controlled
US4014738A · kind A · utility
1Cited by
3References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 18, 1974 |
| Grant date | Mar 29, 1977 |
| Priority date | — |
| Expiry date | Sep 18, 1994 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21F9/04
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Sifting drum paper machine having a sifting drum with a pulp material inlet located at the outside thereof and suction chambers disposed in the interior thereof, includes a measurement of pressure in the vicinity of a paper web-forming part on the surface of the drum, the pressure measurements being used to control the quantity of diluent water to the supply of pulp material to the pulp material inlet in response to an adjustment value fed thereto and corresponding to the measured pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.