Thin sheet punching device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 10, 2004
Grant Date -
N/A
app pub date -
Feb 14, 2002
filing date -
Aug 25, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
After a large thin sheet (17) has been gripped in a registered state by a plurality of chuck tools (21) and transported in the X direction to a control start position, Y direction movement control for moving the sheet reciprocally by a prescribed movement pitch in the Y direction which is perpendicular to the X direction, and X direction movement control for moving the sheet by a prescribed movement pitch in the X direction each time it has been moved in either Y direction, are repeated in alternate fashion, and every other punching location (18) of a plurality of punching locations in the Y direction on the large thin sheet (17) are successively registered in position with respect to punching tools (23) and the plurality of alternate punching locations (18) in the Y direction of the large thin sheet (17) are then punched out simultaneously.
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