Air seal for humidifier water bottle
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United States of America Patent
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-
May 5, 1998
Grant Date -
N/A
app pub date -
Jun 6, 1996
filing date -
Jun 6, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A water bottle for use in a humidifier is disclosed. The water bottle includes a bottom wall, a top wall and a circumferentially extending side wall extending between the bottom wall and top wall. A selective water dispenser, generally in the form of a water bottle dispensing cap, is mounted over a water dispensing opening formed in one of the walls of the water bottle. An air seal is provided for a water filling opening that is formed in one of the walls of the water bottle. The air seal, independent of a water seal, utilizes negative pressure differential in the water bottle that is generated during the dispensing of the water through the water dispensing opening to provide a vacuum air seal for the water filling opening independent of the pressure that may be required to complete the water seal for the water filling opening.
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