Worm press with tapered shaft core
US5515776A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 4, 1995 |
| Grant date | May 14, 1996 |
| Priority date | — |
| Expiry date | Jan 4, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB30B9/26
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a worm press for separating liquids from solids-liquid mixtures, in particular fibrous suspensions, more particularly under pressure, including a worm rotating inside a jacket comprising liquid passages. The worm press according to the invention is primarily characterized in that the shaft (13) of the worm (14) which is preferably of hollow construction, comprises in the axial conveying direction following onto the region which comprises at least one worm rib (14'), a smooth terminal region (13') in which the worm shaft (13) is designed as a jacket shaft, provided with a cavity (13") between a jacket (22) and a preferably hollow core (17), and that this jacket (22) comprises liquid passages, for example bores (3"), leading into the aforementioned cavity (13"), this cavity (13") being in communication with at least one liquid drainage outlet (18).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.