Underwater granulating die
US6220847A · kind A · utility
10Cited by
6References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 2, 1998 |
| Grant date | Apr 24, 2001 |
| Priority date | — |
| Expiry date | Dec 2, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C2948/92904
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
From such a state that the steady running of a kneading extruder is temporarily stopped in the heating state where it is supplied with resin material, the operation of a cutter device (5) is stopped, the heating quantity of a die (2) is reduced, and an external surface (2a) of the die is covered with cooling water, the heating quantity of the die (2) is increased so that softened resin material filling the inside of the nozzles (7) is melted, and the cutter device (5) as well as the kneading extruder are started to be driven at the same time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.