发明授权
US3773276A Self-threading leader for tape roll 失效
自动卷带领带

Self-threading leader for tape roll
摘要:
A roll of recording tape has a flexible leader attached to its outer end, and the leader has flanges with independently flexible teeth extending to one side and spaced to embrace the outermost layers of the roll. The leader will likewise grip a take-up hub in a self-threading transport system. The teeth taper inward and can grip the tape pack of can grip into a recess formed in the hub rim.
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