Closure Using Stoppers TRIZ Cases

See how a segmented stopper with nested seal and air pathway prevents leaks during handling whi

See how a resilient lid adaptation device automatically adjusts container volume to minimize ai

See how a cam-triggered lid with removable sealing assembly enables one-handed opening while al

An arched flange redirects clogged liquid or gel flow ventrally, preventing erratic spray toward the user's face or eyes.

A flexible pump coupling and locking sleeve ease refill insertion, improve alignment, and damp actuation forces that can shear foam.

An integrated venting and valve assembly enables spill-free fluid pouring while preventing leakage and accidental opening.

A vent seal opens before the stopper to equalize container pressure and prevent hot liquid or gas spray during one-handed drinking.

Interchangeable key patterns match bottle depressions to block wrong refills, prevent clogging, and adapt dispensers to packaging changes.

An arched flange acts as a baffle to redirect clog-disturbed liquid or gel flow ventrally, keeping dispensing clean and away from the user's face.

Bottom-up filling uses a magnetic valve coupling to suppress foam, reduce waste, and flush stale liquid between dispensing cycles.

Bottom-up filling uses a magnetic coupling and valve assembly to reduce foam, cut liquid waste, and simplify dispensing and cleaning.