BANDKUSSEN IN EEN CASSETTE VAN EEN MAGNETISCHE REGISTRATIEBAND.

摘要

A tape pad for use in a magnetic recording tape cassette for pressing the recording tape against the magnetic head of a tape recorder comprises a felt piece having the following characteristics: fulling density: 0.35 to 0.4 g/cm3 average diameter of fibers: 0.016 to 0.035 mm average length of fibers: 1.4 to 5.0 mm surface roughness: 0.05 to 0.15 mm +P]