The patching mechanism of windows is very useful for us. It help us in
making boxes these boxes are use by us in our hinder life work. One of the most
important and essential part of window patching device is Film patching section. the steeples
rate change machine for altering the coldness end to end of feed film with no stop
instrument, rotating cross knife cuts film into the request length, if apply
for 2 pieces of film on 1 and/or 2 windows, mounting additional an un winder for
more a film reel.