Recording ink container with an air vent valve
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United States of America Patent
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-
Mar 19, 1996
Grant Date -
N/A
app pub date -
Feb 22, 1993
filing date -
Feb 24, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A recording ink container having an air vent valve including a supporting means with a first opening, a first thin film with a second opening for covering the first opening, a second thin film for covering the second opening, and sealing means between the thin films. The valve functions to release air from the container through the first opening, and to permit the introduction of air into the container through the second opening with pressures of predetermined levels.
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Family
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Cited Art Landscape
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