Hub for winding magnetic tapes

Details Hub for winding magnetic tapes Hub for winding magnetic tapes

1996-07-31

1998-01-13

Darling, John P.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

B65H 7502

Patent

active

057070253

ABSTRACT:
A cylindrical hub for winding web-like or tape-like magnetic recording media of relatively great length. With a winding tension of not more than 2N/cm width of the wound magnetic recording medium, the skew measured over the total length of the wound recording medium should be not more than 5 .mu.s. The length of the wound recording medium is at least 5,000 m; the hub may consist, for example, of aluminum, steel or hard pertinax. It was found that the conditions are fulfilled by a hub in which the compression is less than 0.3% of the hub diameter.

REFERENCES:
patent: 2659543 (1953-11-01), Guyer
patent: 3229928 (1966-01-01), Burgess et al.
patent: 3493161 (1970-02-01), Billings et al.
patent: 4832276 (1989-05-01), Gebhardt et al.
patent: 5514429 (1996-05-01), Kamihgaraguchi et al.

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