Method and device for the uniform and even spraying of surfaces in a non-continuous production system
DE2556125A1
METHOD AND DEVICE FOR THE CONTINUOUS AND PYROGEN-FREE MANUFACTURING OF PLASTIC BAGS WITH CONNECTING NIPPLE
DE2550147A1
Stiff flat attachments fed onto moving sheets for welding - using suction head to pick up attachment from top of pile (NL110576)
DE2538407A1
Welding electrodes for coating reinforcement materials - with synthetic film, has electrode profiles modified to prevent overheating transitional zones
NL7414642A
Prodn of incisions in welded together films - e.g. for use in photographic albums, document cases, gramophone record sleeves etc.
DE2429830A1
Book rack, folder and container assembly installation - transfers stiffener inserts from stacks to weldable plastic sheet
DE2245421A1
Welding plastic films - continuous process for prodn of book covers etc
NL171241B
Method and apparatus for manufacturing objects such as transparent covers by high-frequency welding and cutting plastic foil.
