Method for forming a gas removing device for an ink jet system

Details Method for forming a gas removing device for an ink jet system Method for forming a gas removing device for an ink jet system

1990-05-01

1991-02-26

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156633, 156643, 156646, 156654, 156668, 1562726, B44C 122, B29C 3700, C03C 1500, C03C 2506

Patent

active

049959409

ABSTRACT:
In the particular embodiment of a device for removing dissolved gas from ink described in the specification, an elongated ink path leading to an ink jet head is formed between two permeable fluorine-containing membranes. The membranes are backed by air plenums which contain support members to hold the membranes in position. Reduced pressure is applied to the plenums to extract dissolved gas from the ink in the ink path without accumulating scum on the membrane surfaces. Increased pressure can also be applied to the plenums to eject ink from the ink jet head for purging. Within the ink jet head, ink is circulated convectively from the orifice to the deaerating path even when the jet is not jetting ink.

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patent: 4460904 (1984-07-01), Oszczakiewicz et al.
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patent: 4571599 (1986-02-01), Rezanka
patent: 4729773 (1988-03-01), Shirato et al.
patent: 4731156 (1988-03-01), Montmarquet
patent: 4788556 (1988-11-01), Hoisington et al.
patent: 4933060 (1990-06-01), Prohaska et al.

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