Innovation through Experience
Robert Barr, Inc.  World leader in extrusion screw design
How does the VBET work? Click here to watch a video.

Since 1976 we have lead the plastics industry to a new level of productivity through the use of our innovative extrusion screw designs. Our screws consistently out perform our competitors' yielding better rates and superior quality product.

How can Barr help you to increase productivity in your plastic extrusion, injection molding, blow molding, or blown film processes? The answer lies in our landmark products such as the VBET (Variable Barrier Energy Transfer) screw. (learn more. . .)

Robert Barr
Robert Barr was inducted into the Plastics Hall of Fame
On June 22, 2009, our chairman, Robert Barr, was inducted into the Plastics Hall of Fame. With over fifty years in the Plastics Industry he has many patents and has been active in extruder, screw and blow molding machine design.