G - Physics – 11 – B
Patent
G - Physics
11
B
352/31.1
G11B 23/087 (2006.01)
Patent
CA 1272802
Abstract of the Dislosure When a supply tape guide of a VHS or Betamax videocassette is plastic rather than the usual stainless steel, equal or better performance is attained when the plastic is a blend of acetal copolymer and a small proportion of lubricant and anti-static agent. The same plastic may be used for either or both of the supply sleeve and the supply pin, and both can be molded of that plastic as a single piece.
520574
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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