Mouthpiece structure of water bag

Details Mouthpiece structure of water bag Mouthpiece structure of water bag

2006-07-21

2009-11-24

Lee, Kevin L (Department: 3753)

Fluid handling

Systems

Flow path with serial valves and/or closures

C222S175000, C220S703000

Reexamination Certificate

active

07621294

ABSTRACT:
A mouthpiece of a water bag includes a flexible body with a tunnel therein, a closed end at an end of the flexible body, and an elongated crack on the closed end adapted to communicate the tunnel, whereby the crack is closed at a normal condition and is opened when the flexible body is compressed along an elongated direction of the crack, a cap detachably covering the closed end of the flexible body, which has a strip and a ring fitted to a slot on the flexible body. The cap may isolate dust from the close end of the flexible body that keeps the crack clean. The crack is closed in a normal condition, and the ring fitted to the flexible body may restrict the flexible body to ensure the crack closed.

REFERENCES:
patent: 6273128 (2001-08-01), Paczonay
patent: 6622988 (2003-09-01), Gill
patent: 7533786 (2009-05-01), Woolfson et al.
patent: 2003/0168470 (2003-09-01), Choi et al.
patent: 2006/0113275 (2006-06-01), Huang et al.

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