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1. US20090244220 - Ink jet cartridge having an ink container comprising two porous materials

Office United States of America
Application Number 12303085
Application Date 31.05.2006
Publication Number 20090244220
Publication Date 01.10.2009
Grant Number 08480217
Grant Date 09.07.2013
Publication Kind B2
IPC
B41J 2/175
BPERFORMING OPERATIONS; TRANSPORTING
41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
2Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
005characterised by bringing liquid or particles selectively into contact with a printing material
01Ink jet
17characterised by ink handling
175Ink supply systems
Applicants Morandotti Roberto
Telecom Italia S.p.A.
Amato Sergio
Inventors Morandotti Roberto
Amato Sergio
Agents Venable LLP
Kinberg Robert
Schwarz Steven J.
Title
(EN) Ink jet cartridge having an ink container comprising two porous materials
Abstract
(EN)

An ink jet cartridge comprising an ink container which comprises a bottom portion and an upper portion, said bottom portion being in communication with the printhead through an ink supply port, and said upper portion being in communication with a vent hole, wherein said bottom portion comprises a first ink absorbing member, and said upper portion comprises a second ink absorbing member, wherein said first ink absorbing member is a compressible porous material and said second ink absorbing member is an incompressible porous material, and wherein the capillarity of said first ink absorbing member is higher than the capillarity of said second ink absorbing member.

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