Magnetic tape manufacturing apparatus

Details Magnetic tape manufacturing apparatus Magnetic tape manufacturing apparatus

2006-02-07

2006-02-07

Nguyen, John Q. (Department: 3654)

Winding, tensioning, or guiding

Convolute winding of material

Simultaneous winding

C242S419900

Reexamination Certificate

active

06994290

ABSTRACT:
The magnetic tape manufacturing apparatus draws out a wide web-like magnetic tape material wound in roll form from the delivery side, slits the magnetic tape material into a plurality of narrow magnetic tapes by use of a slitter while transporting the magnetic tape material, and winds the narrow magnetic tapes on cores on the winding side through a tape transporting device. In the tape transporting device, roller members supporting the narrow magnetic tapes are mounted on supporting shafts, respectively, and an eddy current type clutch is internally mounted on at least one of the supporting shafts so that the eddy current type clutch controls rotation of the one of supporting shafts to control tension of the narrow magnetic tape supported on the roller member mounted on the one of supporting shafts. Hence, by making the tension of the individual magnetic tapes uniform, productivity and product quality can be stabilized and improved and yield can also be improved.

REFERENCES:
patent: 4201352 (1980-05-01), Madachy
patent: 4438888 (1984-03-01), Seelinger
patent: 6745976 (2004-06-01), Marion
patent: 2001-187660 (2001-07-01), None
patent: WO 90/05690 (1990-05-01), None

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