Replaces high-temperature extrusion with ultrasonic welding to boost process speed and reduce manufacturing complexity.
Adjustable compartment volumes eliminate lengthy machine shutdowns while pneumatic control prevents wrinkling during heat-sealing.
Intermeshing cylindrical rollers compress and stretch thermoplastic webs into ribbed patterns, reducing material usage while maintaining tensile strength.
A monoaxially oriented polyethylene outer film maintains structural integrity during heat sealing operations.
Heat-sealed wave-cut closures enable reclosure on bags with integral handles, resolving manufacturing complexity while maintaining versatility.
Reinforcement panels stiffen flexible bag bottoms to form square structures, eliminating waste from edge cutting while maintaining high production rates.
A punching machine drive mechanism moves a punch blade and support in a perpendicular direction to create precise holes.
Planetary gear systems adjust fold line positions during operation, resolving the trade-off between production speed and format versatility.
A plastic bag making apparatus folds panel webs to form end surfaces with protrusions and spouts without special bottom gusset material.
Variable-pitch sealing assemblies on a rotatable drum adjust working diameter to maintain seal precision during high-speed production.
Non-linear cutting of packaging webs creates windowed structures through subweb repositioning and edge adhesion.
Thermal fusion replaces mechanical sewing to eliminate powder leakage and enable full material recycling in flexible bulk containers.
A bag body uses a tearing guide piece and protector tab to enable controlled opening of the film structure.
Protrusion bodies on a carriage nip sheet products against a feed conveyor, preventing collapse and misalignment during stacking of low stiffness materials.