Injection unit for injection molding machines
US6015284A · kind A · utility
2Cited by
5References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 3, 1998 |
| Grant date | Jan 18, 2000 |
| Priority date | — |
| Expiry date | Apr 3, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C2045/5076
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An injection unit for injection moulding machines comprising a plasticizing cylinder and a plasticizing screw which is arranged rotatably therein and axially displaceably by a crank drive, wherein there is provided a drive motor (1) which selectively either rotates the plasticizing screw (2) or advances same by means of a crank (5) which is pivotably connected to a thrust rod (4), and wherein there is provided a further drive motor (8) which by way of a crank (10) drives a thrust rod (9) arranged in mirror image relationship in plan view in relation to the first thrust rod (4).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.