EP 0009004 B1 19811021 - DEVICE FOR FEEDING WRAPPING MATERIAL TO A PACKING MACHINE
Title (en)
DEVICE FOR FEEDING WRAPPING MATERIAL TO A PACKING MACHINE
Publication
Application
Priority
CH 929878 A 19780905
Abstract (en)
[origin: US4222533A] The present invention relates to a packaging material feeding device on a packaging machine with two winders. This system includes two driving servomotors 4, 34, winders 1, 31, a driving mechanism 24, 25 of the packaging material in the form of a strip, two coding devices 54, 56, and sensing devices 55, 57 which sense a signal corresponding to the instantaneous diameter of the activated packaging material reel and, in response thereto, supply a control signal for controlling the driving speed of these winders. The system also includes a press 17, 21 to automatically match the end of the strip of packaging material on the reel being unrolled to the beginning of the strip on the following reel.
IPC 1-7
IPC 8 full level
B65B 41/12 (2006.01); B65H 19/18 (2006.01)
CPC (source: EP US)
B65B 41/12 (2013.01 - EP US); B65H 19/1836 (2013.01 - EP US); B65H 19/1873 (2013.01 - EP US); B65H 2301/46312 (2013.01 - EP US); B65H 2301/4641 (2013.01 - EP US); B65H 2301/46414 (2013.01 - EP US); B65H 2701/173 (2013.01 - EP US)
Designated contracting state (EPC)
BE DE FR GB SE
DOCDB simple family (publication)
EP 0009004 A1 19800319; EP 0009004 B1 19811021; CH 623792 A5 19810630; DE 2961071 D1 19811224; US 4222533 A 19800916
DOCDB simple family (application)
EP 79810081 A 19790830; CH 929878 A 19780905; DE 2961071 T 19790830; US 7068179 A 19790829