For over 40 years, Proper Group International has been committed to industry leadership and our clients' success. That's The Proper Way. GET IN TOUCH

We've come a long way from our first 2,000 square foot moldmaking facility in Warren, Michigan...

With a superior life-cycle strategy, our tooling division sets the industry standard for production programs...

Our state of the art facility in Anderson, South Carolina manufactures industry leading plastic components for exterior and interior trim...
Auto Suppliers Beefing Up Technology
North American automotive plastics plants are investing in new injection presses and are more open than ever to brand-new technologies such as spinning cube molds and multishot molding, according to executives at KraussMaffei Corp. and Proper Group International Inc.
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Proper Group working with Roc Tool, Single
Toolmaker and processor Proper Group International, Inc. has signed agreements with two companies that develop technologies for rapidly heating and cooling mold surfaces.
Proper Group, Vice President, Joe Grippe is working with RocTool of Le Bourget du Lac, France, and Hochdorf, Germany-based Single Temperietechnik GmbH. RocTool uses induction to rapidly heat the mold surface, then cool it down quickly with water. Single does that by cycling between hot and cold water or oil.
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KM Tech Day, January 31, 2013
Experience cutting-edge injection molding expertise in the form of a first-class machine concept!
Experience engineering inspired by passion. Experience new standards in performance, userfriendliness
and value retention! Experience the US Premiere of the GX series – a new
dimension of injection molding!
For full article, click here