An improved braking body for self-governing thread-braking devices in weft feeder apparatus and a process for its manufature

(19)

(11)

EP 1 215 152 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	22.10.2003 Bulletin 2003/43

(43)	Date of publication A2:
	19.06.2002 Bulletin 2002/25

(21)	Application number: 01204339.4

(22)	Date of filing: 13.11.2001

(51)	International Patent Classification (IPC)⁷: B65H 51/22, D03D 47/34

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
	Designated Extension States:
	AL LT LV MK RO SI

(30)

Priority:

01.12.2000 IT TO001119

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

(72)	Inventors:
	Pedrini, Giovanni 24026 Leffe (BG) (IT) Castelli, Rosario 24024 Gandino (BG) (IT)

(74)	Representative: Spandonari, Carlo, Dr. Ing.
	Spandonari & Modiano s.r.l. corso Duca degli Abruzzi 16 10129 Torino 10129 Torino (IT)

(54)	An improved braking body for self-governing thread-braking devices in weft feeder apparatus and a process for its manufature

(57) A frusto-conical body (15) of a tissue or foil impregnated with a synthetic resin carries inside a wear-resistant metal coating (20), intended for directly contacting the thread, made from a planar foil (20') cut by photoetching from a planar stainless steel sheet having a high surface hardness and shaped to a continuous, frusto-conical ring (20") by mutually joining the ends (20a-20b) of the foil. The joint is obtained by a welding strip (ZS) formed by a laser beam.

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