Preventing package film offcuts from tearing - by passing beneath pointed electrode to flash over and fuse at tears
DE2921109A1
Processing waste strips from sepn. welding - used with foil packaging machines and consisting of processing machine to fit barriers to waste foil strips
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Parcel wrapping machine for plastics film - has belt conveyors with welding and cutting station, controlled by optical sensors
DE2814694A1
Welding thermoplastic films - where impulse energised heater elements are initially over-energised for efficiency welding before reaching thermal equilibrium
DE2743314A1
Drive for film sealing jaws with automatic operating stroke control - comprises dual knee lever system, connecting and drive shafts, jaw-carrying sledge and lifting mechanism
DE2743315A1
Electric welder for plastics film - has a fixed and a mobile sealing jaw, either or both fitted with electromagnets
DE2728059A1
Forming tools for shaping plastics film into tubes - have contact surfaces roughened to reduce tendency of film to adhere to them owing to static
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Plastics foils thermo-welding and cutting appts. - has metallic ring heated inductively and movable relative to foils
DE2658166A1
Mould for shaping films into circular oval or rectangular tubes - has film take=up section and wedge-shaped shaping compartment
DE2627567A1
Transporter for goods in continuously working packaging machine - has endless conveyer band with supporting two part spring screen
DE2621042A1
Display scale for watches and instruments - uses arrangements of different colour electro-optical indicators for clarity e.g. 2 concentric circles
DE2603796A1
Forming tubing sections from film - by feeding folded film into box where its sides open and overlap
