Method and apparatus for separating thin-walled, multiport micro-extrusions
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United States of America Patent
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Jul 28, 1992
Grant Date -
N/A
app pub date -
Dec 19, 1990
filing date -
Dec 19, 1990
priority date (Note) -
Expired
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Abstract
A method for separating a thin-walled multiport extrusion into a plurality of micro-tubes for use as single pass lengths in a heat exchanger assembly, the method including the steps of threading the micro-extrusion into a clamping device including first and second sets of clamping blocks which hold the micro-extrusion rigidly while the clamping blocks of the clamping device are drawn in opposite directions on opposite sides of a groove cut in the upper and lower walls of the extrusion, tearing the extrusion apart along cutting lines formed in the upper and lower walls of the extrusion during the separation process.
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