Method for injecting plastic material
US6403010B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 14, 1999 |
| Grant date | Jun 11, 2002 |
| Priority date | — |
| Expiry date | Apr 14, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C2045/0094
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method for injecting plastic material or another injectable material into an injection molding tool comprises the following steps: plasticizing the plastic or other injectable material in a plasticizing apparatus (2); transporting the plasticized plastic or the plasticized other injectable material into a dosing apparatus (3), which has a fluidic connection (4) to the plasticizer apparatus (2), and specifically in essentially precisely the quantity that is to be introduced into the injection molding tool (1); transporting the plasticized plastic or the plasticized other injectable material, essentially in that quantity which is to be introduced into the injection molding tool (1), from the metering apparatus (3) into an injection apparatus (5), via a fluidic connection (6), while at the same time preventing the plastic or other injectable material from backflowing from the metering apparatus (3) into the plasticizing apparatus (2); injecting the entire quantity of plastic or the entire quantity of another injectable material, which is situated in the injection apparatus (5), into the injection molding tool (1), while at the same time preventing the plastic or the other injectable…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.