Tape-guide made from synthetic resin, method of manufacturing th

Winding – tensioning – or guiding – Unwinding and rewinding a machine convertible information... – Cartridge system

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B65H 2304, B65H 2700

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active

053887794

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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