Continuous production system for wrappers or letter casings - has continuous strip formed into folded edged wrapper before being cut to length

摘要

The system produces envelopes or wrappers for letters etc. and has side seams manufactured from a continuous strip, has the strip fed into the finishing machine and a process operated in which side flap rill lines are produced along the edges of the strip. The side zones are then cut to produce the flaps and then folded along the formed rill lines. The completed folded casing or wrappers are then cut to the required length from the continuous strip.