Wave screen plate
US4954249A · kind A · utility
65Cited by
8References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 10, 1988 |
| Grant date | Sep 4, 1990 |
| Priority date | — |
| Expiry date | Jun 10, 2008 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21D5/16
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A paper pulp screening apparatus wherein a modular cylindrically-shaped screen plate is formed of a thin material of uniform thickness bent to form an undulating shape to increase the screening area, and the screen plate is supported by cylindrical-backing members to give the plate strength, with the plate being formed into various complex shapes. Manufacturing methods for forming the undulating shapes are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.