| 摘要 |
A spool and cover assembly for wound filamentary material, such as thread, yarn and the like having a winding core section and end head sections, and a cover for the spool mounted and encasing the spool, the spool and cover being provided with mating seating areas at their opposite ends for frictionally mounting the cover on the spool, the cover and spool being mounted for relative rotation one with respect to the other about the axis of the winding core section, the cover section being formed with an egress orifice for the spool wound filamentary material.
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