Method of manufacturing roller stamp
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 28, 2000
Grant Date -
N/A
app pub date -
Nov 10, 1997
filing date -
Nov 8, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A roller stamp includes a stamp case and a stamp roller mounted to the stamp case for rotation. The stamp roller is made of foamed polyolefin having pores capable of being impregnated with ink. A stamp pattern is formed on the stamp roller after the stamp roller is mounted to the stamp case. After the stamp roller is mounted to the stamp case, a stamp pattern is formed on the stamp roller by using a thermal head to selectively heat and close the pores in accordance with the stamp pattern.
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