Device for the supply and discharge of cooling liquid in the worms of an extruder press
US3931853A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 16, 1973 |
| Grant date | Jan 13, 1976 |
| Priority date | — |
| Expiry date | Oct 16, 1993 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C48/03
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Device for the supply and discharge of cooling liquid in the worms of an extruder press, the worm or worms being situated at some distance from the housing, being provided with a stationary sleeve with a stationary centering ring near both ends thereof and rotatable adjusting rings on each of its sides. The sleeve is furnished with at least two circular chambers, which are delimited by sealing rings, these chambers being in open communication with cooling liquid channels in the worm shaft and which are each connected with an external supply and discharge pipe for the cooling liquid, while part of the sleeve comprises oil holes and overflow openings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.