Self closing dispensing valve

Self-closing closure

Self-sealing dispensing valve and spout assembly

Sensitive material processing apparatus

Shaker for condiments

Silo center discharge mechanism

Silo, or bin, for flowable solid material

Smoke ring box

Snap container closure

Snap-acting spring device

Snap-action closure with disengagable spring having stress relie

Snap-action closure with disengaged compression member when lid

Soap saving device

Solids feeder apparatus

Spout with snap acting cover and drain hole

Spray cap assembly comprising a base unit and push/pull closure

System and apparatus for dental prophylaxis