Twin-wire paper machine adjustable to single-wire machine
US3994774A · kind A · utility
34Cited by
5References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 17, 1975 |
| Grant date | Nov 30, 1976 |
| Priority date | — |
| Expiry date | Jul 17, 1995 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21F9/003
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A paper machine having upper and lower wires and wherein an adjusting structure cooperates with a portion of at least one of these wires to move this wire portion close enough to a cooperating portion of the other wire to achieve a twin-wire operation and to move the adjustable wire portion away from the cooperating wire portion to achieve at the latter a single-wire operation, so that at least in part the wires are adjustable one with respect to the other to provide for the option of operating the machine, at least in part, as a single-wire machine or as a twin-wire machine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.