Fruit juice press
US4350089A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 31, 1980 |
| Grant date | Sep 21, 1982 |
| Priority date | — |
| Expiry date | Oct 31, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB30B9/22
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A press for squeezing juice-containing materials, like grapes, fruit-mashes and the like, by a closed container rotatable around its longitudinal horizontal axis, whereby a filling opening, covered by a perforated sheet, is provided in the jacket of the container and a pressure membrane made of flexible or elastic material matching the shape of the container is provided inside the container at the edge of the filling opening and is fastened parallel to the plane passing through the axis of rotation, said membrane dividing the interior of the container into a pressure medium and a pressure space. A loosening and draining device is provided in the pressure space inside the container opposite the filling opening and opposing the pressure membrane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.