Punching tool
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Oct 19, 1999
Issued Date -
N/A
app pub date -
Aug 29, 1997
filing date -
Dec 7, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The punching blades acts to punch out parts of any desired shape from paper, cardboard, pasteboard, plastics material foils, leather, rubber and the like. In order that an optimum cutting quality can be generated from the start using the punching blade, the punching blade has a cutting edge which comprises a curvature with a radius of from 0.005 to 0.060 mm.
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Family
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Cited Art Landscape
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