Manufacturing apparatus for flattened tube fins
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United States of America Patent
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Sep 1, 2015
Grant Date -
Feb 27, 2014
app pub date -
Mar 4, 2013
filing date -
Aug 21, 2012
priority date (Note) -
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Abstract
A flattened tube fin manufacturing apparatus includes a press apparatus equipped with a mold apparatus forming cutaway portions into which flattened tubes are inserted to produce metal strips; an inter-row slit apparatus cutting the metal strip, in which the cutaway portions have been formed, into predetermined widths to form a plurality of metal strips of a product width arranged in the width direction; and a cutoff apparatus cutting each metal strip of the product width formed by the inter-row slit apparatus into predetermined lengths. The metal strips of the product width outputted from the inter-row slit apparatus advance into the cutoff apparatus after entering a downwardly sagging state. A support portion that contacts and supports lower surfaces of the metal strips of product width in the downwardly sagging state is also provided.
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