Method and machine for manufacturing paperboard tubes by...

Details Method and machine for manufacturing paperboard tubes by... Method and machine for manufacturing paperboard tubes by...

B - Operations, Transporting

31

C

154/8.06

B31C 3/00 (2006.01)

Patent

CA 1183764

Method and machine for manufacturing paperboard tubes by helical winding ABSTRACT OF THE DISCLOSURE The invention relates to a method and a machine for manufacturing tubes particularly of paperboard or cardboard by helical winding of a strip or of several strips of paper. This machine comprises a stationary frame supporting a sta- tionary winding mandrel, a system for driving in rotation the tube in formation and a movable frame supporting in par- ticular a device for positioning and guiding the paper strips to form a web, this movable frame being connected to the stationary frame by a coupling device in rotation around a swivel pin. This machine comprises operating means for an- gular displacement of the said movable frame monitored by a preset value of the angle of winding of the web on the sta- tionary mandrel.

388718

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