Tape guide for a magnetic tape cartridge and method of manufacturing the same
AssigneeTDK Corporation
InventorHaruo Shiba
Life of this patent
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Abstract
A tape guide for a magnetic tape cartridge and a method of manufacturing same is disclosed. The guide is of synthetic resin and provided with many minute protrusions on its tape-guiding surface to greatly reduce the area of contact between the tape guide and the magnetic tape guided thereby. The protrusions may by produced by utilizing synthetic resin material of a molding contraction ratio of about 0.8% or greater.
Claims5
A cylindrical tape guide with protrusions on the surface for a magnetic tape cartridge, characterized in that said tape guide is made of one of polyacetal resin, a polyethylene resin, and a polyamide resin, with a molding contraction ratio of greater than about 0.8%, and said protrusions are isolated small projections molded on the surface of the tape guide.
Dependencies are inferred from the claim text.