Leader or trailer for a magnetic tape

Details Leader or trailer for a magnetic tape Leader or trailer for a magnetic tape

1977-07-15

1979-03-27

Robinson, Ellis

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

242195, 352235, 360134, 428325, 428328, 428329, 428330, 428331, 428340, 428412, 428339, 428337, 428336, 428422, 428447, 428480, 428497, 428498, 428500, 428532, 428539, G11B 578, B32B 516

Patent

active

041460316

ABSTRACT:
This invention relates to a leader or trailer for a magnetic tape, which comprises a plastic support member, a coated layer consisting essentially of a pigment and binder on the surface of the plastic support and a lubricant layer on the back side of the plastic support, the pigment consisting of a mixture of at least two solid powders each having a mean grain size of (A) 0.002 to 3 microns and (B) 5 to 35 microns and the lubricant layer being coated in a proportion of at least 0.1 mg/m.sup.2.

REFERENCES:
patent: 2091694 (1937-08-01), Taylor
patent: 2286834 (1942-06-01), Rittenhouse
patent: 2606409 (1952-08-01), Gordon
patent: 3078759 (1963-02-01), Brunswick
patent: 3423038 (1969-01-01), Katzef
patent: 3993824 (1976-11-01), Shirahata
patent: 3993846 (1976-11-01), Higuchi
patent: 4002804 (1977-01-01), Akashi
patent: 4015042 (1977-03-01), Chassaigne
patent: 4038453 (1977-07-01), Loran
patent: 4042189 (1977-08-01), Leurs
patent: 4047232 (1977-09-01), Hisagen

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