Patent ID: 6959840
Filing Date: 2005-11-01
Classification: B05B,B65D

Abstract:
1. A cap for a double container comprising a flexible outer container and an inner bag for containing the contents with a space between said outer container and said inner bag and having in the neck thereof a ventilation hole interconnecting with said space, wherein: the cap is composed of a main cap which has a flow opening and is fixedly fitted on the neck of said double container and a nozzle cap which has a discharge outlet and is slidably fitted on said main cap, and the cap has a flow passage switching means for opening and shutting the flow passage of the contents from said flow opening to said discharge outlet by sliding movement of said nozzle cap on said main cap, and a ventilation passage switching means for opening and shutting the ventilation passage from said ventilation hole to open air outside said double container by said sliding movement, such that said sliding movement makes a switch between a state with said flow passage shut and said ventilation passage open and a state with said flow passage open and said ventilation passage shut.