Package comprising push-pull closure and slit valve

Pouring spout for liquid containers, and liquid containers...

Pressure-responsive valve mechanism

Reverse-flow prevention plug for container, the container,...

Self closing cap for dispensing fluids

Self-closing closures

Self-closing closures

Self-closing container outlet

Self-closing dispenser

Self-closing manual dispenser

Self-closing valve assembly for a dispensing opening of a...

Self-sealing caps for squeeze-type containers

Self-sealing dispensing closure

Self-sealing nozzle for dispensing apparatus

Self-sealing paste dispensing device

Simplified unidirectional valve structure

Spout for liquid pump

Sprayer nozzle with closing membrane

Squeeze bottle self-closing viscous liquid dispensing valve havi

Two piece dispensing closure with positive shutoff