Banbury mixer

Banbury mixer

The Banbury Mixer is an internal mixer. It is used for mixing or compounding rubber and plastics. The original design dates back to 1916. [ [ Process machinery: advancements in mixing technologies--part 1.] ] The mixer consists of of two rotating spiral shaped blades encased in segments of cylindrical housings. These intersect so as to leave a ridge between the blades. The blades may be cored for circulation of heating or cooling. Its invention resulted in major labor and capital savings in the tire industry, doing away with the initial step of roller-milling rubber. [ [ The Labor History Reader by Daniel J. Leab p 336] ] It is also used for reinforcing fillers in a resin system.


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[ of a Banbury Mixer.]

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