SCREW CONVEYOR TO CONVEY POWDERY MATERIAL, IN PARTICULAR CEMENT OR THE LIKE

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(11)

EP 3 519 330 B8

(12)	CORRECTED EUROPEAN PATENT SPECIFICATION
	Note: Bibliography reflects the latest situation

(15)	Correction information:
	Corrected version no 1 (W1 B1)

(48)	Corrigendum issued on:
	25.05.2022 Bulletin 2022/21

(45)	Mention of the grant of the patent:
	06.04.2022 Bulletin 2022/14

(21)	Application number: 17791163.3

(22)	Date of filing: 29.09.2017

(51)

International Patent Classification (IPC):

B65G 33/14^(2006.01)

B65G 33/26^(2006.01)

(52)	Cooperative Patent Classification (CPC):
	B65G 33/14; B65G 33/265

(86)	International application number:
	PCT/IB2017/056026

(87)	International publication number:
	WO 2018/060955 (05.04.2018 Gazette 2018/14)

(54)	SCREW CONVEYOR TO CONVEY POWDERY MATERIAL, IN PARTICULAR CEMENT OR THE LIKE SCHNECKENFÖRDERER ZUM FÖRDERN VON PULVERFÖRMIGEM MATERIAL, INSBESONDERE ZEMENT ODER DERGLEICHEN CONVOYEUR À VIS POUR TRANSPORTER UN MATÉRIAU PULVÉRULENT, EN PARTICULIER DU CIMENT OU ANALOGUE

(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:

29.09.2016 IT 201600097907

(43)	Date of publication of application:
	07.08.2019 Bulletin 2019/32

(73)	Proprietor: Wamgroup S.p.A.
	41124 Modena (IT)

(72)	Inventor:
	MARCHESINI, Vainer 41030 San Prospero (IT)

(74)	Representative: Manconi, Stefano et al
	Studio Torta S.p.A. Via Viotti, 9 10121 Torino 10121 Torino (IT)

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References cited: :

EP-A2- 0 110 694
CN-Y- 2 661 644
JP-A- H1 179 356
JP-A- H09 303 922
JP-A- H11 254 193
JP-A- 2010 222 881
US-A- 2 507 245
US-A1- 2011 072 723

WO-A1-94/07780
DE-B- 1 085 812
JP-A- H07 304 511
JP-A- H10 149 005
JP-A- H11 314 728
US-A- 1 423 698
US-A- 3 056 487

Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).