Metallic card clothing and method and apparatus for making same
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United States of America Patent
Stats
-
Aug 27, 1985
Issued Date -
N/A
app pub date -
Feb 27, 1984
filing date -
Sep 6, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Metallic wire card clothing is provided having a sharpened leading edge on each of the longitudinally aligned teeth formed in a metallic strip by an apparatus which includes a punch. During punching, the relative direction of travel of the punch is illustrated as inclined at an acute angle in relation to the moving strip and a die cooperating therewith. The method contemplates thus inclining the strip and while the strip is so inclined, punching the teeth as the strip is continuously fed past the die. The strip may be inclined in respect to the direction of travel of the punch either transversely or longitudinally, preferably, both.
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