Screening machine
US4251354A · kind A · utility
9Cited by
9References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 28, 1979 |
| Grant date | Feb 17, 1981 |
| Priority date | — |
| Expiry date | Dec 28, 1999 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L37/58
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A screening machine having an improved seal operable between the stationary inlet and outlet conduits of the machine and the movable inlet and outlet ports of the screen enclosure. The improved seal comprises a low friction slideable ring movable relative to a slide surface on one or the other of the conduit or the screen enclosure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.