Suction press roll
US4366025A · kind A · utility
45Cited by
4References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 4, 1981 |
| Grant date | Dec 28, 1982 |
| Priority date | — |
| Expiry date | Jun 4, 2001 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21F3/083
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A press roll for a press couple for dewatering a web in a papermaking machine wherein the roll preferably is a roll shell with certain of the drilled holes extending radially fully through the shell and certain other holes blind drilled to extend only a partial way into the shell and in one form, the shell having a rubber cover and the blind drilled holes extending alternate different depths to avoid shear planes in the rubber cover.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.