Filter, liquid discharge head utilizing the same, and...

Details Filter, liquid discharge head utilizing the same, and... Filter, liquid discharge head utilizing the same, and...

2006-01-17

2009-10-13

King, Roy (Department: 1793)

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Making porous product

C228S190000, C228S193000, C228S199000, C228S201000, C228S202000, C428S292100, C428S304400

Reexamination Certificate

active

07601295

ABSTRACT:
A filter is formed by a sintered non-woven metal fiber cloth adapted to be installed in a liquid passage, and, in the filter, a substance sticking to the surface of metal fibers which is present in the outermost part of the filter and in the vicinity thereof is removed together with the surface layer of the metal fibers.

REFERENCES:
patent: 4493756 (1985-01-01), Degen et al.
patent: 6354688 (2002-03-01), Inoue et al.
patent: 6-200456 (1994-07-01), None
patent: 06200456 (1994-07-01), None
patent: 2001-253083 (2001-09-01), None
patent: 2001253083 (2001-09-01), None

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