Tape-guide made from synthetic resin, method of manufacturing the same, and apparatus for manufacturing the same
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United States of America Patent
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-
Feb 14, 1995
Issued Date -
N/A
app pub date -
Dec 23, 1992
filing date -
Oct 5, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A tape-guide for a magnetic tape is formed by an injection molding process of a mixture material containing 60 to 89% by weight of an ultra-high-molecular-weight polyolefin base resin, having a molecular weight of 800,000, and 4 to 25% by weight of an inorganic additive. The tape guide has an at least partially cylindrical outer surface and an axial end portion, with at least one recess in the end portion. A burr formed by the injection molding hole is located within the recess.
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