SPOUT TYPE CAP FOR BEVERAGE CONTAINER

摘要

PURPOSE: A spout type cap for a beverage container is provided to prevent impurities from flowing back to the inside of a housing space of the beverage container and prevent the contamination of a beverage to thus improve the reliability of the product. CONSTITUTION: The spout type cap for the beverage container(10) comprises: a housing(21) which is penetrated inside so as to be mounted on a filler opening(13) of a main body(11) and which is provided with a coupling member(211) with a stopping ridge(211a) and a supporting member(212) with a length adjusting groove(212a), a rib(212b) and a support(212c), the coupling member(211) and the supporting member(212) formed integrally; an adjustor(22) which is provided with a guiding projection(221) and a guiding hole(222); and a protector(23) which houses the adjustor(22) and is mounted on the stopping ridge(211a). The length adjusting groove(212a) is provided with at least one air inlet opening(100).