Winding – tensioning – or guiding – Helical or random winding of material – Distributing material along the package
Patent
1998-05-29
2000-06-13
Nguyen, John Q.
Winding, tensioning, or guiding
Helical or random winding of material
Distributing material along the package
242484, 2423972, 2423975, 2426152, 2421571, 2425963, 2425992, B65H 5428, B65H 2700, B65H 5700, B65H 7518
Patent
active
060738782
ABSTRACT:
A device and method for unwinding or winding a sawing wire from a reel or to a reel which rotates. The sawing wire runs from the reel or toward the reel over a pulley and in so doing, assumes a defined axial position on the reel. In the method, the reel is moved along its rotational shaft while the sawing wire is unwound or wound up. The sawing wire however remains aligned perpendicular to the rotational shaft of the reel in the region between the reel and the pulley. There is a pivot arm which is moved concomitantly by a carriage system. The pivot arm has an end piece connected to one of the clamping elements. Thus it is possible to move the pivot arm from a reel-holding position into a reel-release position.
REFERENCES:
patent: 1140924 (1915-05-01), Underhill
patent: 3544035 (1970-12-01), Woolever
patent: 4022391 (1977-05-01), Stein et al.
patent: 4422590 (1983-12-01), Rathbone
patent: 5564637 (1996-10-01), Berthold et al.
patent: 5839514 (1998-11-01), Gipson
English Abstract corresponding to JP 4-135158.
Nguyen John Q.
Wacker Siltronic Gesellschaft fur Halbleitermaterialien AG
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