Injection molding machine with feed plunger in hopper
US4036410A · kind A · utility
1Cited by
3References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 24, 1975 |
| Grant date | Jul 19, 1977 |
| Priority date | — |
| Expiry date | Jan 24, 1995 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C45/581
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An injection molding machine for plastic material comprising an injection cylinder; a displaceable element axially disposed in the cylinder, one of the cylinder and displaceable element being movable with respect to the other; an injection nozzle on one end of the injection cylinder; a feed device including a feed hopper and a plunger reciprocally mounted in said hopper in communication with the other end of the cylinder; a pressure block between the feed device and the other end of the cylinders and a substantially continuously curving passage in the pressure block. PAC SUMMARY OF THE INVENTION
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.