A decorticator (from Latin: cortex, bark) is a machine for stripping the skin, bark, or rind off nuts, wood, plant stalks, grain, etc., in preparation for further processing.
In 1933, a farmer named Bernagozzi from Bologna manufactured a machine called a "scavezzatrice", a decorticator for hemp. A working hemp decorticator from 1890, manufactured in Germany, is preserved in a museum in Bologna.
In Italy, the"scavezzatrice" faded in the 1950s because of monopolisation from fossil fuel, paper interests, synthetic materials and from other less profitable crops.
Many types of decorticators have been developed since 1890.
In 1919, George Schlichten received a U.S. patent on his improvements of the decorticator for treating fiber bearing plants. Schlichten failed to find investors for production of his decorticator and died in 1923, a broken man. His business was revived a decade after death in 1933.
Newer, high-speed kinematic decorticators, use a different mechanism, enabling separation into three streams; bast fiber, hurd, and green microfiber.
In some decorticators, the operation is "semi-automatic", featuring several stops during operation, while more modern systems, such as high-speed kinematic decorticators, are fully automatic.
There are companies who produce and sell decorticators for different crops
The BastPro™ Hemp Stalk Processing System is a complete fiber processing solution! After extensive research & development CNY Hemp Processing Inc. will be producing the most state-of-the-art, decortication and separation technology available; capable of separating round baled hemp into high-volume, high-value products!
The BastPro™ will be an U.S. built decorticator available with capacities up to one ton per hour. The modular unit includes infeed conveyors for round bale input, hurd collection and conveyance, secondary hurd cleaning, hurd sizing, fiber cleaning, degumming, combing & fiber collection. BastPro™ allows for the addition of secondary processing and packaging equipment including, hurd bagging, milling & shaker tables. The BastPro™ is being engineered for the growing hemp industry and can be scaled to meet production requirements. Add additional equipment components as the business grows, all on a business-friendly budget. Designed with the expertise and experience of CNY Hemp Processing, the BastPro™ will be tested and proven across a variety of fiber genetics. Use the BastPro™ to produce clean and sized hurd, fiber, and dust for all applicable hemp material revenue streams!
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