Injection molding machine with feed control
US4036405A · kind A · utility
4Cited by
6References
4Claims
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 primaryB29C45/53
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An injection molding machine comprising an injection cylinder; a displacement element axially disposed in the injection cylinder; one of the cylinder and displacement element being movable with respect to the other; an injection nozzle on one end of the injection cylinder and a feed device including a feed hopper and a plunger reciprocally mounted in the hopper on the other end of the cylinder; a pressure source for driving the plunger; and switches for varying the working position of the plunger, the plunger stroke, the stroke frequency of the plunger and the pressure of the pressure medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.