Injection mold
US8851876B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 14, 2012 |
| Grant date | Oct 7, 2014 |
| Priority date | — |
| Expiry date | Oct 14, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C2045/5056
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An injection mold includes a first plate, a second plate, a movable plate, a ball screw, a ball nut, an injection screw, a transmission shaft, an injection motor, a metering motor, a first driving assembly and a second driving assembly. The ball screw is rotatably supported by the first plate. The ball nut is fixed to the movable plate, and is threadedly engaged with the ball screw. The injection screw is coaxially positioned with the ball screw. The transmission shaft is rotatably supported by the second plate. The injection motor is fixedly mounted on the first plate. The metering motor is fixed mounted on the second plate. The first driving assembly is connected to the injection motor to drive the ball screw. The second driving assembly is connected to the metering motor to rotate the transmission shaft for moving the injection screw.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.