(19)
(11) EP 2 586 896 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
14.03.2018 Bulletin 2018/11

(43) Date of publication A2:
01.05.2013 Bulletin 2013/18

(21) Application number: 12005650.2

(22) Date of filing: 03.08.2012
(51) International Patent Classification (IPC): 
D03D 47/36(2006.01)
B65H 59/10(2006.01)
 D03D 47/34(2006.01)
D04B 15/48(2006.01)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 27.10.2011 IT TO20110977

(71) Applicant: L.G.L. Electronics S.p.A.
24024 Gandino (Bergamo) (IT)

(72) Inventor:
  • Gotti, Luca
    24021 Albino (BG) (IT)

(74) Representative: Modiano, Micaela Nadia et al
Modiano & Partners Via Meravigli, 16
20123 Milano
20123 Milano (IT)

   


(54) "A method and a device for opening and subsequently closing a weft brake in a thread feeder"


(57) According to the method of the invention, the step motor (14) of the brake (20, 23, 24, 26) of the thread feeder, upon opening command (to), is driven in the direction of opening the brake, while counting the steps made by the motor until the brake is stopped by abutment against a travel stop (22), and storing the step count reached at the time of blockage (step_to_open). upon a subsequent closing command (t3), the step motor is driven in a direction of closing the brake by a number of steps equal to the stored count.







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Search report