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FLEXIBLE TORSION SHAFT AND AN ARRANGEMENT USING IT AND A CLEANING DEVICE FOR AIR-CONDITIONING DUCTS

The invention relates to a flexible torsion shaft (12), which is intended to be attached to a drive shaft, characterized in that the flexible torsion shaft (12) is composite comprising a polymeric base substance (17, 17') and a multi-layer (16, 16", 16''') reinforcing-fibre reinforcement wound at an angle of 45° - 85°, preferably an angle of 60° - 80°. The torsion shaft or optionally its casing tube is coated with a PTFE, preferably Xylan 1010 PTFE (Teflon®) coating.


» Number: EP3290127A1 (A1)

» Publication Date: 18//2/07/0

» Applicant: BIERKÜHL OY?[FI]

» Inventor: HILTUNEN PENTTI?[FI]

» More Information

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This project has received funding from the European Union Seventh Framework Programme (FP7/2007-2013) under grant agreement n° [609149].

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