(19)
(11) EP 0 926 090 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
18.10.2000 Bulletin 2000/42

(43) Date of publication A2:
30.06.1999 Bulletin 1999/26

(21) Application number: 98309668.6

(22) Date of filing: 25.11.1998
(51) International Patent Classification (IPC)7: B65H 59/38
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 05.12.1997 JP 33566597
09.02.1998 JP 2751898

(71) Applicant: Nittoku Engineering Kabushiki Kaisha
Urawa City, Saitama (JP)

(72) Inventor:
  • Higeta, Yuji, Nittoku Eng., K.K. Fukushima Fac.
    Date-gun, Fukushima (JP)

(74) Representative: Stonehouse, Sidney William 
Barker Brettell 138 Hagley Road Edgbaston
Birmingham B16 9PW
Birmingham B16 9PW (GB)

   


(54) Winding device and method of winding


(57) Wire (2) is fed from a spool (1) which is rotated by a feeding motor (3). Then the wire is led to a bobbin (7) on the tip of a spindle (6) via a pulley (12) on the tip of a tension arm (10) and a pulley (13) fixed on a rotational axis of an encoder (14). The rotational speed of the feeding motor (3) is controlled depending on winding speed of the wire (1) onto the bobbin (7) detected by the encoder (14). Furthermore, variations in the tension of the wire are detected by a potentiometer (11) as rotations of the tension arm (10). The rotational speed of the feeding motor (3) is regulated depending on such variations in tension.






Search report