Winding – tensioning – or guiding – Helical or random winding of material
Patent
1997-05-14
1999-04-20
Nguyen, John Q.
Winding, tensioning, or guiding
Helical or random winding of material
2425714, 2425731, 242363, B65H 5400, B65H 7524
Patent
active
058950052
ABSTRACT:
A process and structure for transferring a wound coil disposed around a first mandrel onto a second mandrel. The first mandrel is radially expandable between first and second outer diameters and the coil is wound onto the first mandrel when in its larger, first outer diameter which is larger than the diameter of the second mandrel. The two mandrels are disposed in side-by-side coaxial relationship and the diameter of the first mandrel is reduced for reducing the radial stress of the wound coil against the first mandrel for facilitating movement of the coil off the first mandrel and onto the second mandrel.
REFERENCES:
patent: 1317500 (1919-09-01), Holmquist
patent: 3033731 (1962-05-01), Cole
Epstein Michael Y.
Lucent Technologies Inc
Nguyen John Q.
Schanzer Henry I.
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