Method and apparatus for forming microchannels in a filament...

Details Method and apparatus for forming microchannels in a filament... Method and apparatus for forming microchannels in a filament...

2005-03-29

2005-03-29

Crane, Daniel C. (Department: 3725)

Metal deforming

By pulling workpiece through closed periphery die

Utilizing plural metal-deforming tools

C072S286000

Reexamination Certificate

active

06871523

ABSTRACT:
A microchannel forming device is provided for making microchannels in a wire. The microchannel forming device includes a plurality of dice for receiving a heated wire spaced along a longitudinal axis. Each die has a circumferential surface forming an opening, and teeth projecting normally from the surface and terminating in the opening. As the heated wire is drawn through the opening of each die, the teeth engage the heated wire to form longitudinal microchannels therein.

REFERENCES:
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patent: 2250610 (1941-07-01), Simons
patent: 3713323 (1973-01-01), Ivanier
patent: 4291444 (1981-09-01), McCarty et al.
patent: 4292826 (1981-10-01), Langenecker
patent: 4440729 (1984-04-01), Jonsson
patent: 5389853 (1995-02-01), Bigio et al.
patent: 421012 (1911-02-01), None
patent: 84818 (1987-04-01), None

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