Patent ID: 6065635
Filing Date: 2000-05-23
Classification: B65D

Abstract:
A mouthpiece filter for a container having a neck with an outer thread on its periphery, comprising:A) a cylindrical cap housing having an internal thread for cooperative engagement to said outer thread and an upper wall member with a centrally disposed opening, said upper wall member includes a perpendicularly mounted tubular member over said opening and said internal thread having cooperative dimensions to permit to air come inside a container when said cylindrical cap housing is turned while still maintaining engagement to said neck; andB) an elongated filter member having first and second ends, said first end being the inlet for said filter and said second end being the outlet of said filter, and further including a tubular mouthpiece member mounted to said second end and having cooperative dimensions to be press fit within said tubular member so that a portion of said tubular mouthpiece member protrudes outwardly through said tubular member.