Screening device
US4568455A · kind A · utility
35Cited by
5References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 1, 1983 |
| Grant date | Feb 4, 1986 |
| Priority date | — |
| Expiry date | Jul 1, 2003 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/737
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A screening device having an inflatable screen frame and a rigid screen frame member. The frame assembly expands with inflation in a self-controlled manner to tension the associated screen cloth and to fix the frame within the screening device. A method of making screen assemblies is also disclosed using heated screen cloth to fuse the frame thereto.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.