Degassing ink supply apparatus for ink jet printer

Details Degassing ink supply apparatus for ink jet printer Degassing ink supply apparatus for ink jet printer

1980-10-14

1982-07-20

Miller, Jr., George H.

Recorders

Markers and/or driving means therefor

With ink supply to marker

346 75, G01D 1518

Patent

active

043408958

ABSTRACT:
Means are disclosed for degassing a liquid ink used in an ink drop printer. The printer is the type wherein continuously generated drops are directed to a target with some being diverted from a path intersecting the target to a path intersecting a collection device or gutter. The collected liquid is recycled. The degassing is achieved by holding the gas pressure above the liquid ink in a closed supply vessel below the ambient atmospheric pressure. In addition, the liquid ink in the supply vessel is heated. The low gas pressure and elevated ink temperature reduces the quantity of gas dissolved in the ink and thereby prevents the formation of gas bubbles in the printer system.

REFERENCES:
patent: 3761953 (1973-09-01), Helgeson et al.
patent: 3929071 (1975-12-01), Cialone et al.
patent: 3930258 (1975-12-01), Dick et al.
patent: 3971039 (1976-07-01), Takano et al.
patent: 4079384 (1978-03-01), Takano et al.
patent: 4153902 (1979-05-01), Kanayama
patent: 4204215 (1980-05-01), Nakarai
patent: 4207582 (1980-06-01), Yamamoto

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