Metal working – Method of mechanical manufacture – Fluid pattern dispersing device making – e.g. – ink jet
Patent
1994-05-31
1996-08-27
Cuda, Irene
Metal working
Method of mechanical manufacture
Fluid pattern dispersing device making, e.g., ink jet
347 47, B41J 2135
Patent
active
055488943
ABSTRACT:
A method of manufacturing an ink jet head including an ink-chamber member having ink chambers, and a nozzle plate secured to a front end face of the ink-chamber member and which has ink-jet holes communicating with the respective ink chambers, wherein a blank for the nozzle plate is formed by injection molding, such that blind holes are formed in one of opposite surfaces of the blank and such that each blind hole has a varying-area portion whose cross sectional area decreases in a direction from the above-indicated one of opposite surfaces of the blank toward the other surface, and the blank is subjected to laser-cutting to prepare the nozzle plate having orifice holes which cooperate with the blind holes to form the ink-jet holes. The size of each blind hole at an open end thereof is preferably smaller than the size of the ink chamber at an end thereof at which the ink chamber communicates with the ink-jet hole.
REFERENCES:
patent: 5189437 (1993-02-01), Michaelis et al.
patent: 5208604 (1993-05-01), Watanabe et al.
patent: 5305018 (1994-04-01), Schantz et al.
patent: 5312517 (1974-05-01), Ouki
patent: 5389954 (1995-02-01), Inaba et al.
patent: 5408738 (1995-04-01), Schantz et al.
patent: 5408739 (1995-04-01), Altavela et al.
patent: 5417897 (1995-05-01), Asakawa et al.
Brother Kogyo Kabushiki Kaisha
Butler Marc W.
Cuda Irene
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