Ball point pen tip and production method thereof
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United States of America Patent
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-
Jun 9, 1998
Grant Date -
N/A
app pub date -
Mar 22, 1996
filing date -
Aug 10, 1994
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method of manufacturing a ball point pen tip comprises providing a body member having a distal end portion and a ball holding portion and disposing a ball in the ball holding portion. Caulked portions having different angles are formed throughout the entire periphery of an outer surface of the distal end portion of the body member using a caulking tool while bringing a pressure contact portion of the caulking tool into contact with the ball.
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