Patent ID: 6144278
Filing Date: 2000-11-07
Classification: B41J,H01F,H05K

Abstract:
A transformer assembling method for producing a transformer by assembling a bobbin formed by uniting a winding member, which has a primary winding and secondary winding and a bore formed thereon and therein, with a primary winding fixture and a secondary winding fixture adjoining the openings of said bore, and a ferromagnetic core having a core portion thereof inserted into said bore and including an enclosure for enclosing said windings, said method comprising the step of:affixing, using a thermoplastic adhesive, outer circumferences of the windings to the ferromagnetic core and affixing the primary winding fixture and secondary winding fixture of the bobbin to the ferromagnetic core, whereinin the affixing step, the thermoplastic adhesive is applied to valleys formed between the outer circumferences of the windings and the ferromagnetic core, and to areas linking the outer surfaces of the primary winding fixture and secondary winding fixture and outer surfaces of the ferromagnetic core.