Ink-jet having ink storing absorbant material
US5182579A · kind A · utility
41Cited by
12References
88Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 10, 1991 |
| Grant date | Jan 26, 1993 |
| Priority date | — |
| Expiry date | Jul 10, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/17513
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
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. EQU 100 [inch.sup.-1 ].ltoreq.r.sub.1 .multidot.p.ltoreq.200 [inch.sup.-1 ](I)
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.