Filter changing mechanism including means for discharging residues of rubber or thermoplastics material from extrusion presses
US4781563A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 9, 1987 |
| Grant date | Nov 1, 1988 |
| Priority date | — |
| Expiry date | Jul 9, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C48/03
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A filter changing apparatus for use in an extrusion press, comprising a frame, filter support members hydraulically displaceable in the frame, in a direction which is substantially at right angles to the flow of material through the press and filters disposed in each of the filter support members, at least one of the filter support members being detachably mounted in the frame, and a support member for discharging residues of rubber or thermoplastics material from the extrusion press, the support member being detachably mountable in the frame in place of the at least one detachably mounted filter support member, the support member having associated therewith a discharge plate for displacing residual material in the extrusion press to a discharge station.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.