Winding apparatus for coils formed of wire and film in which str

Details Winding apparatus for coils formed of wire and film in which str Winding apparatus for coils formed of wire and film in which str

1995-04-12

1997-09-02

Stodola, Daniel P.

Winding, tensioning, or guiding

Composite article winding

By rotating core

2424445, B65H 8102

Patent

active

056622899

ABSTRACT:
A winding apparatus and a winding method for positioning a leading end of a film layer with high precision. The film is loaded at a position away from a winding position for winding the film around a bobbin and the leading end of the film is brought into contact with the bobbin by using a retainer. At the same time, to control the length of the film to be wound to improve reproducibility of the shape of a transformer a drag chuck is provided, and the drag chuck is controlled through a servo control.

REFERENCES:
patent: 4168808 (1979-09-01), Santi et al.
patent: 5224257 (1993-07-01), Murakoshi et al.
patent: 5360178 (1994-11-01), Arnold

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