2. General process principles
Very schematically, and as for gas-assisted injection, we can mention the following processes:
partial filling (§
2.1
);
Filling using a feeder (§
2.2
);
filling, with the material being forced into the sleeve...
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General process principles
Patents
While the situation is complicated with gas-assisted injection molding, it's simple with water-assisted injection molding. In fact, the Institut fûr Kunststoffverarbeitung (IKV) in Aachen, Germany, has been working on this process since 1996, and published its findings in full in the April 1999 issue of Kunststoffe. This publication prevents patent applications from being filed in Europe, enabling the process to be promoted rather...
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