G - Physics – 11 – B
Patent
G - Physics
11
B
G11B 23/037 (2006.01) B65H 75/18 (2006.01) G11B 23/087 (2006.01) G11B 23/38 (2006.01)
Patent
CA 2093591
ABSTRACT OF THE DISCLOSURE A reel flange 10 for a magnetic tape cassette reel has apertures 36 for viewing the tape on the reel 10. The apertures 36 provide a system for visually estimating the quantity of tape contained on the reel. The flange 12 provides the combined advantages of greater choice of materials for making the flange 12 and improved accuracy in estimating the quantity of tape contained on the reel.
Gianfagna John T.
Goff Dewain R.
Olson Kim R.
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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