EP 1694592 A1 20060830 - DOUBLE UNWINDER UNIT FOR ROLLS OF SHEET-LIKE MATERIAL PROVIDED WITH A DEVICE FOR SPLICING THE SHEETS BEING UNWOUND
Title (en)
DOUBLE UNWINDER UNIT FOR ROLLS OF SHEET-LIKE MATERIAL PROVIDED WITH A DEVICE FOR SPLICING THE SHEETS BEING UNWOUND
Title (de)
MIT EINER VORRICHTUNG ZUM SPLEISSEN DER ABZUWICKELNDEN BAHNEN VERSEHENE DOPPELABWICKELEINHEIT FÜR ROLLEN AUS BAHNFÖRMIGEM MATERIAL
Title (fr)
UNITE DE DOUBLE DEROULEUR POUR ROULEAUX DE MATIERE DE TYPE FEUILLE EQUIPEE D'UN DISPOSITIF POUR RACCORDER LES FEUILLES QUI SONT DEROULEES
Publication
Application
Priority
- IT 2004000653 W 20041125
- IT FI20030301 A 20031128
Abstract (en)
[origin: WO2005051817A1] Unwinder unit for rolls (B1, B2) of sheet-like material (M), comprising a pair of unwinder shafts (1, 2) for respective rolls, arranged on opposite sides of a plane of symmetry (X) and suitable for feeding the material onto said plane and beyond it to an equipment downstream. The unit comprises a device (8) for splicing the tail end of a roll being unwound from one of said shafts to the leading end of a new, full roll installed on the other shaft, the device in turn having a configuration symmetrical to the plane of symmetry (S) and comprising a pair of splicing cylinders (11, 12), arranged on either side of the plane of symmetry (X), revolving around their respective axes and capable of moving closer together and further away from each other, the position in which they come closest coinciding with a condition of mutual contact; groups of suction holes (113) formed in lines along generatrices of the splicing cylinders (11, 12), for withholding the material against the cylinders and deviating it away from the plane of symmetry (X); first cutting means (13) for cooperating with the cylinders downstream of the area of mutual contact to cut the material withheld against the cylinder along a generatrix, second cutting means (24), arranged upstream; and means for controlling the cylinders, capable of synchronizing their rotation with the speed at which the material (M) is unwound.
IPC 8 full level
B65H 19/18 (2006.01)
CPC (source: EP)
B65H 19/1836 (2013.01); B65H 2301/46174 (2013.01); B65H 2301/4632 (2013.01); B65H 2301/464145 (2013.01); B65H 2301/51512 (2013.01)
Citation (search report)
See references of WO 2005051817A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LU MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2005051817 A1 20050609; AT E501074 T1 20110315; CA 2551795 A1 20050609; CA 2551795 C 20120403; DE 602004031761 D1 20110421; DK 1694592 T3 20110620; EP 1694592 A1 20060830; EP 1694592 B1 20110309; EP 1694592 B8 20120321; ES 2363275 T3 20110728; HR P20110422 T1 20110731; IT FI20030301 A1 20050529; PL 1694592 T3 20111031; PT 1694592 E 20110627; RS 51997 B 20120430; RU 2006123021 A 20080120; RU 2372270 C2 20091110; SI 1694592 T1 20110729
DOCDB simple family (application)
IT 2004000653 W 20041125; AT 04806818 T 20041125; CA 2551795 A 20041125; DE 602004031761 T 20041125; DK 04806818 T 20041125; EP 04806818 A 20041125; ES 04806818 T 20041125; HR P20110422 T 20110606; IT FI20030301 A 20031128; PL 04806818 T 20041125; PT 04806818 T 20041125; RS P23711 A 20041125; RU 2006123021 A 20041125; SI 200431686 T 20041125