Abstract: A method of making a spool seal having a smooth sealing surface is provided which utilizes a mold including separable first and second mold halves which join when closed to form a parting line which is positioned away from the area of the mold which forms the inner and outer diameter surfaces of the spool seal. A moldable material is introduced into the cavity defined by the closed mold halves and cured such that the resulting inner and outer diameter surfaces of the molded spool seal are free of parting lines.

Abstract: The present invention provides a magnetic tape system which experiences a reduced, if not eliminated, amount of slippage between the drive roller of the tape drive system and the driven roller of the magnetic tape cartridge. The present invention employs a hard plastic driven roller having a slightly enlarged diameter portion to which an elastomeric, rubber-like material is bonded. The elastomeric material has the form of an annular sleeve or ring which is coextensive with a slightly enlarged diameter portion of the driven roller to provide a reduced slippage annular contact surface for contacting a portion of a rubber outer sleeve positioned on the capstan, or drive roller, of a conventional magnetic tape drive.