FILAMENT FOR SPUNBOND NON WOVEN FABRIC

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EP 4 223 920 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	13.09.2023 Bulletin 2023/37

(43)	Date of publication A2:
	09.08.2023 Bulletin 2023/32

(21)	Application number: 23164595.3

(22)	Date of filing: 14.11.2017

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International Patent Classification (IPC):

D01F 8/06^(2006.01)
D01D 5/22^(2006.01)
D04H 3/147^(2012.01)
D04H 3/16^(2006.01)

D01D 5/32^(2006.01)
D04H 3/018^(2012.01)
D04H 3/153^(2012.01)

(52)	Cooperative Patent Classification (CPC):
	D04H 3/018; D04H 3/147; D04H 3/16; D01D 5/22; D01D 5/32; D01F 8/04

(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

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Priority:

14.11.2016 EP 16198713
06.04.2017 EP 17165357

(62)	Application number of the earlier application in accordance with Art. 76 EPC:
	17201684.2 / 3321407

(71)	Applicant: Fare' S.p.A. a Socio Unico
	21054 Fagnano Olona (VA) (IT)

(72)	Inventor:
	FARE', Rosaldo 21054 Fagnano Olona (IT)

(74)	Representative: Gislon, Gabriele
	Marietti, Gislon e Trupiano S.r.l. Via Larga, 16 20122 Milano 20122 Milano (IT)

(54)	FILAMENT FOR SPUNBOND NON WOVEN FABRIC

(57) Multicomponent filament (2) having at least two sub-filaments (2a, 2b) co-extruded from at least two materials (A, B) in side-by-side arrangement and adhered to one another, wherein the material (A) of a first sub-filament (2a) has melting temperature (T1) different from the melting temperature (T2) of the material (B) of a second sub-filament (2b) by at least 10°C and wherein, in cross section, the contact surface between said two sub-filaments (2a, 2b) is substantially wave-shaped.

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