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jan 1, 1946 - James Watson Hendry builds the screw injection molding machine

Description:

The screw injection molding allows for more control and better quality of plastic products over the previous injection molding machines.

Added to timeline:

CH 345 - Polymer Themed

ByMitch Amoriello

19 Apr 2021

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636

Date:

jan 1, 1946

Now

~ 79 years ago

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