Robert F. Dray is the founder and owner of R. Dray Mfg. Inc., and the founder of Feed Screws Inc. in 1967. A screw of ?general-purpose? design is purported to have the ability to process a wide range ...
Exton, Pa. — When it comes to screws for injection molding machines, the term "general purpose" covers a wide range. Now one screw designer is calling for some standards. "Everybody that's bought an ...
Injection molding machine suppliers feature prominently at this month’s PTXPO in Chicago; see what the press makers have planned for their exhibits.
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