Ink-jet having ink storing absorbant material
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United States of America Patent
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Jan 26, 1993
Grant Date -
N/A
app pub date -
Jul 10, 1991
filing date -
Jul 10, 1990
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An ink tank having an ink storing portion encases an ink-absorbent member for holding ink. The ink-absorbent member comprises a porous material having therein compressed open cells. The compression ratio r.sub.1 of an apparent volume V.sub.1 before compression to an apparent volume V.sub.2 after compression (r.sub.1 =V.sub.1 /V.sub.2) and the cell number p represented by number of cells per inch in the state of V.sub.1 satisfy the relation (I) below, and p being not more than 60. 100 [inch.sup.-1 ].ltoreq.r.sub.1 .multidot.p.ltoreq.200 [inch.sup.-1 ](I)
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Cited Art Landscape
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