The Vandergriff Gin Rib
The Vandergriff Rib was designed by Mr. A. L. Vandergriff. It is precision-machined by Mr. Chris Nachtmann of CNC Performance Engineering located in Lincolnton, North Carolina. Chris and his family have been manufacturing this rib for Vandergriff Inc. for 14 years.
Mr. Vandergriff had extensive experience with gin rib design while doing research for the improvement of cotton gin stands, primarily in the area of increasing the capacity. He always found them to be a bottleneck. Over the years, as he increased the capacity of the gin stand the limitations of the gin rib became more and more apparent. Most gin ribs were and are made from “castings.” read more
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Welcome to Vandergriff Inc., headquartered in Visalia, California. Since 1995
The daily operations of the company are run by Loyd Vandergriff, son of the company founder the legendary A.L. Vandergriff. Vandergriff Inc's current product line is the Vandergriff Gin Rib, and the Jet Dyer. More detailed information related to products Vandergriff Inc. offers as well as biographical information on Mr. Vandergriff can be found through-out this site. Vandergriff Inc. prides itself in providing quality products to the industry that reflect the standards established by its founder, A.L. Vandergriff.
Vandergriff / American Jet Dryer
 Mr. Vandergriff has always been involved in developing drying systems that incorporate the use of slippage, turbulence and air temperatures that remain constant through-out the drying cycle. These concepts are of course incorporated into the Jet Dryer. He actually began experimenting with the Jet Dryer while in charge of research and development at Lummus. He re-visited this entire concept of drying in the late 1990’s. The dryer is basically a cylindrical cone that gently tapers from the bottom to the top of the dryer. The diameter increases as you move up the dryer. Cotton is introduced into the dryer through a special inlet design that creates a high velocity stream which conveys the cotton towards the top of the dryer.
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