Method of making ink jet print head

Details Method of making ink jet print head Method of making ink jet print head

1978-12-15

1981-02-03

Anderson, Philip

Plastic and nonmetallic article shaping or treating: processes

With severing, removing material from preform mechanically,...

Making hole or aperture in article

249 64, 249176, 249177, 264271, 264275, 264331, 264334, 400126, 425468, B29D 1908, B29C 604, G01D 1518

Patent

active

042488230

ABSTRACT:
A mold having a desired print head shape includes a cover in which a plurality of rods or ductile fibers are attached, the cover being positioned with the rods extending into the mold and to the side opposite the cover. A hardenable synthetic material is introduced through a hole in the cover and after hardening of the material to form the print head, the rods are withdrawn from the mold to leave bores or apertures in the print head which serve as passageways for the droplets of ink.

REFERENCES:
patent: 3365528 (1968-01-01), Riley
patent: 3608022 (1971-09-01), Wallskog
patent: 3787884 (1974-01-01), Demer
patent: 3893220 (1975-07-01), Bittner
patent: 4005440 (1977-01-01), Amberntsson et al.
patent: 4112433 (1978-09-01), Vernon
patent: 4158847 (1979-06-01), Heinzi et al.

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