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CLAMPING COLLAR FOR A DUCT, DUCT PROVIDED THEREWITH AND METHOD FOR BLOCKING THE ROTATION OF THE COLLAR ON THIS DUCT
CLAMPING COLLAR FOR A DUCT, DUCT PROVIDED THEREWITH AND METHOD FOR BLOCKING THE ROTATION OF THE COLLAR ON THIS DUCT
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机译:用于管道的夹钳,提供了管道,并提供了一种在该管道上阻止夹钳旋转的方法
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摘要
The present invention relates to a clamping collar suitable for fitting in a groove of a polymer duct to be connected to a nozzle for the transportation of a fluid, such a duct fitted with this collar and a method for blocking the rotation of the collar on this duct. The invention applies in particular to a pressurized hot air duct for motor vehicles of plastic material type and requiring a fitted metal collar.;This clamping collar (1) comprises:a circumferential clamping strip (2), two ends (2a and 2b) of which overlap in an overlap region of the strip having two radially internal and external overlapping faces,a strip clamping member (3) mounted in contact with said overlapping faces, anda blocking means (6) mounted on the clamping member and capable of blocking the rotation of the collar in the groove (11) of the duct (10) by the rotational abutment of this blocking means against at least one lateral rim (12, 13) of said groove.;According to the invention, this blocking means, non-metallic, bears on said external overlapping face and covers the clamping member radially outside this face.
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