SHEET PUNCH DEVICE FOR PHOTO ATTACHMENT
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United States of America Patent
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Issued Date -
Sep 18, 2008
app pub date -
Apr 27, 2007
filing date -
Mar 16, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A punch device of the invention comprises a jig having a corner punch area for punching a corner of the sheet material and an edge punch area for punching an edge of the sheet material, a corner punch block corresponding to the corner punch area, and an edge punch block corresponding to the edge punch area. Between the length L1 of the corner punch area, the width W1 of the corner punch area, the length L2 of the edge punch area and the width W2 of the edge punch area is established the relation of L1=W1=L2, W2.ltoreq.1/2W1, and P=L1=L2.
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