Coil bobbin and winding jig for use in forming a wound coil and

Details Coil bobbin and winding jig for use in forming a wound coil and Coil bobbin and winding jig for use in forming a wound coil and

1998-04-09

2000-04-25

Walsh, Donald P.

Winding, tensioning, or guiding

Composite article winding

By rotating core

242448, 2426082, 2425967, 2425976, 2425991, 2425992, B21C 4702, B65H 8106

Patent

active

060534486

ABSTRACT:
In a coil bobbin for use in forming a wound coil, a plurality of open portions are made to at least one of a first and a second flange which are outwardly extended from both axial ends of a tubular portion, respectively. The first and the second flange portions define a coil-placing region therebetween for placing the wound coil. The open portions permits insertion into the coil-placing region of an adjusting arrangement which is for adjusting an effective size of the coil-placing region in an axial direction of the tubular portion.

REFERENCES:
patent: 2709051 (1955-05-01), Bunch

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