Metal deforming – By extruding through orifice – By rotating impeller means
Patent
1998-09-25
2000-04-11
Tolan, Ed
Metal deforming
By extruding through orifice
By rotating impeller means
72258, 72264, 72368, B21B 2300
Patent
active
060475862
ABSTRACT:
A method is proposed for producing a metal tube (1) with one or several optical fibers (2) extending therethrough. Metal (10) applied to the surface of a frictional wheel (11) is conveyed to a retaining space (12) by applying pressure and temperature. The metal (10) subsequently exits from the retaining space (12) through the annular exit opening (16) of a forming nozzle (17) in a direction which is approximately tangential to the circumference of the wheel, and solidifies to form the metal tube (1). The optical fibers (2) are passed through a feed opening (19) disposed in the center of the forming nozzle (17), with all sides of the optical fibers spaced apart from the exit opening (16). The tube forming process is repeated to form an outer metal tube (4) on the metal tube (1) with the optical fibers (2) disposed therein.
REFERENCES:
patent: 4242368 (1980-12-01), Nagai et al.
patent: 5222284 (1993-06-01), Maddock
patent: 5676892 (1997-10-01), Kertscher
Kontinuierliches Strangpressen und Weiterentwicklung durch das Conform-Verfahren, Draht Und Kabel Panorama, Jan./Feb. 1987, pp. 58-61.
Alcatel
Tolan Ed
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