Winding – tensioning – or guiding – Coil holder or support – Radially expansible or contractile
Patent
1993-02-11
1994-12-27
Stodola, Daniel P.
Winding, tensioning, or guiding
Coil holder or support
Radially expansible or contractile
2425761, 2425976, 279 207, B65H 1922, B65H 7500
Patent
active
053757912
ABSTRACT:
A rotary chuck for winding magnetic tape aligns the winding hub in both the axial and radial directions relative to the axis of winding rotation. This allows higher winding speeds to be used and produces finished rolls of improved quality. Alignment occurs upon application of air pressure to the rotary chuck. The rotary chucks can be placed side-by-side on a single mandrel for winding multiple strands simultaneously. Winding hubs can be easily slipped on and off the rotary chucks to improve winding productivity.
REFERENCES:
patent: 3025071 (1962-03-01), Larrad
patent: 3544016 (1970-12-01), Cunningham et al.
patent: 3632053 (1972-01-01), Edwards et al.
patent: 3934833 (1976-01-01), Nash et al.
patent: 4332356 (1982-06-01), Damour
patent: 4461430 (1984-07-01), Lever
patent: 4923137 (1990-05-01), Jorgensen et al.
patent: 4978083 (1990-12-01), Kim
IBM Technical Bulletin, R. A. Stolz, Tape reel holder, Jan. 1971, PO869-0513.
Kline Robert J.
Larsen Thomas E.
Schiesl Mark A.
Tait Bruce E.
Griswold Gary L.
Kirn Walter N.
Levine Charles D.
Minnesota Mining and Manufacturing Company
Nguyen John Q.
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