Incremental printing of symbolic information – Ink jet – Fluid or fluid source handling means
Reexamination Certificate
2006-01-03
2006-01-03
Feggins, K. (Department: 2861)
Incremental printing of symbolic information
Ink jet
Fluid or fluid source handling means
Reexamination Certificate
active
06981762
ABSTRACT:
The elastic member for an ink jet recording apparatus according to the present invention is formed from:(1) a thermoplastic elastomer composition comprising 100 parts by weight of (a) a hydrogenated block copolymer, 60 to 170 parts by weight of (b) a softening agent for a non-aromatic rubber and 5 to 30 parts by weight of (c) polypropylene,(2) a thermoplastic elastomer composition in which a network structure having a pore diameter of 50 μm or less is formed, comprising 100 parts by weight of (a) a hydrogenated block copolymer, 60 to 170 parts by weight of (b) a softening agent for a non-aromatic rubber and 5 to 30 parts by weight of (c) crystalline polyolefin, or(3) a thermoplastic elastomer composition in which a shear rate dependency of a melt viscosity measured by means of a capillograph is −1.5 to −0.8, comprising 100 parts by weight of (a) a hydrogenated block copolymer, 60 to 170 parts by weight of (b) a softening agent for a non-aromatic rubber and 5 to 30 parts by weight of (c) crystalline polyolefin. The elastic member of the present invention is used as an ink tank valve, a sealing member for an ink tank and a sealing member for preventing an ink from leaking from a recording head.
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Arai Jun
Fukuda Yasunori
Mashita Naruhiko
Saito Youkou
Shibata Shoson
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