Tape cassette reel having a wing-type upper flange
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United States of America Patent
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-
Jan 19, 1993
Grant Date -
N/A
app pub date -
Dec 7, 1989
filing date -
Dec 28, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A tape cassette reel includes a reel hub integrally formed with a wing shaped upper flange and a disc shaped lower flange by means of a molding apparatus having one or more sliding cores operable between upper and lower molds.
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Cited Art Landscape
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