Flexible Container Closure TRIZ Cases
- Beverage Container Puncture Opening Design to Prevent Straw Leakage
See how a welded sealing film with a guiding pocket prevents leakage during straw insertion and
- Piercing Opening Pocket Structure for Leak-Safe Drink Pouches
A welded pocket around the straw opening guides puncture, prevents leakage, and reduces opposite-side piercing in drink pouches.
- Protective Cage Valve for IBC Liner Bag Discharge
A protective cage inside an IBC liner bag valve stops the bag wall blocking the outlet, enabling continuous, low-cost discharge.