Card punching machine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Apr 25, 2002
app pub date -
Sep 13, 2001
filing date -
Sep 13, 2000
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The card punching machine has a hollow cylindrical punching tool (12) which is driven into a flat sheet (10) to be punched. The sheet (10) is punched on a plastic back-pressure plate (8) and is essentially made of polycarbonate or a laminate that includes at least one layer made of polycarbonate. The card punching machine can be used to manufacture high-quality cards from polycarbonate or from the above mentioned laminate.
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