DREF friction spinning
Friction Spinning or Dref Spinning is a textile technology that suitable for spinning coarse counts of yarns and technical core-wrapped yarns. Dref yarns are bulky, with low tensile strength making them suitable for blankets and mop yarns, they can be spun from asbestos, carbon fibres and make filters was water systems. Yarns such as Rayon and Kevlar can be spun using this method. The technology was developed around 1975 by Dr. Ernst Fehrer.
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DREF friction spinning
Friction Spinning or Dref Spinning is a textile technology that suitable for spinning coarse counts of yarns and technical core-wrapped yarns. Dref yarns are bulky, with low tensile strength making them suitable for blankets and mop yarns, they can be spun from asbestos, carbon fibres and make filters was water systems. Yarns such as Rayon and Kevlar can be spun using this method. The technology was developed around 1975 by Dr. Ernst Fehrer.
has abstract
Friction Spinning or Dref Spin ...... ound 1975 by Dr. Ernst Fehrer.
@en
Frikční předení je mechanicko-aerodynamický způsob výroby s otevřeným koncem příze.
@cs
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28,244,893
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940,153,560
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March 2013
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reason
"and make filters was water systems"?
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Friction Spinning or Dref Spin ...... ound 1975 by Dr. Ernst Fehrer.
@en
Frikční předení je mechanicko-aerodynamický způsob výroby s otevřeným koncem příze.
@cs
label
DREF friction spinning
@en
Frikční předení
@cs