Perforation attachments for paper bag making machines
GB915555A
Appliance for use with bag making machines
GB845606A
Machine for the manufacture of paper bags with diamond-shaped bottoms
US3002431A
Machine for forming folded top and bottom ends of a bag
US3006256A
Device for opening one end of bag tubes to form the bag bottoms in paper bag manufacturing machines
GB841773A
Method and device for the automatic control and lateral guiding of webs of paper, plastic material, textiles or other materials in working machines for such material webs
GB819979A
Devices for producing cross-bottoms in paper tubes in the process of forming them into paper bags
US2748917A
Staggered sheet feeder
US2859670A
Securing device for valve-bags in valvebag manufacturing machines
GB754407A
Method and device of feeding piles of sheets or blanks in underlapped fashion to the feeder table of a paper working machine
GB760449A
A device for securing the correct position of valve inserts of valve bags in a valvebag manufacturing machine
GB714854A
Bag bottom forming device for paper bag manufacturing machines
US2707421A
Bag bottom forming device for paper bag manufacturing machines
GB507726A
Improvements in and relating to machines for making bags from tube lengths
DE746334C
Machine for the production of cross-bottom valve bags
