Method for selecting material forming ink channel in ink-jet...

Details Method for selecting material forming ink channel in ink-jet... Method for selecting material forming ink channel in ink-jet...

2006-12-12

2006-12-12

Tugbang, A. Dexter (Department: 3729)

Metal working

Method of mechanical manufacture

Fluid pattern dispersing device making, e.g., ink jet

C029S890090, C347S020000

Reexamination Certificate

active

07146728

ABSTRACT:
A method for selecting a resin or rubber material to construct an ink flow passage of an ink-jet recording apparatus includes immersing the resin or rubber material in water at 60° C. for 2 weeks in a tightly closed vessel, and determining an amount of eluted fatty acid derivative. If the amount of fatty acid derivative is not more than 20 ppm with respect to a total amount of the resin or rubber material, it is judged that the resin or rubber material is appropriate as the material for the ink flow passage. It is possible to select, by the convenient method, the material which is most suitable for the actual condition of use, without examining components and compositions of respective materials.

REFERENCES:
patent: 5182579 (1993-01-01), Haruta et al.
patent: 5936649 (1999-08-01), Ikeda et al.
patent: 6547381 (2003-04-01), Watanabe et al.
patent: 2003/0107625 (2003-06-01), Koga
patent: B2-2658034 (1997-06-01), None
patent: A-2003-175631 (2003-06-01), None

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