Liquid container having reinforcing member
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 25, 2001
Issued Date -
N/A
app pub date -
Oct 24, 1996
filing date -
Jul 24, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An ink jet cartridge comprises a first chamber for accommodating a negative pressure producing material and having an air communication part for communication with ambient air, and a second chamber, substantially closed except for a liquid communication part, in communication with the first chamber, which second chamber contains a reservoir of ink to be supplied to the first chamber. A deformation prevention member is disposed within the second chamber thereby preventing or at least inhibiting deformation of the second chamber walls. A wall of the second chamber is 1.3 to 3 times as thick as a wall of the first chamber.
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Cited Art Landscape
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