Continuous method for producing capillaries made of nonferrous alloys

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United States of America Patent

PATENT NO 11717870
APP PUB NO 20210220887A1
SERIAL NO

17257970

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Abstract

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A method for producing capillaries from nonferrous alloys, in particular of Al, which includes the continuous cold rotary extrusion of a blank having a solid cross-section, obtained by casting, in order to produce a tube having a hollow cross-section. The deformation of the blank to be extruded is achieved only by using friction force. The method further includes at least one step of cold drawing of the extruded tube in order to reduce its diameter to the diameters corresponding to a capillary.

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Patent Owner(s)

Patent OwnerAddress
FEINROHREN S P A25050 PASSIRANO (BS)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Pasotti, Mark Gussago, IT 1 0

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