Fluent material handling – with receiver or receiver coacting mea – Processes – Gas or variation of gaseous condition in receiver
Patent
1998-07-29
2000-05-09
Jacyna, J. Casimer
Fluent material handling, with receiver or receiver coacting mea
Processes
Gas or variation of gaseous condition in receiver
141 2, 141 13, 141 18, 141 59, 347 86, 53432, 53468, B41J 2175
Patent
active
060589841
ABSTRACT:
A method of supplying liquid into a liquid container, which includes a first chamber, provided with a liquid supply portion for supplying liquid out, to a liquid ejection head and an air vent for fluid communication with ambient air, for accommodating therein a negative pressure producing member; a second chamber forming a substantially sealed space except for a communication part with the first chamber, wherein the liquid supply portion is disposed at a bottom side; and a gas-liquid exchange promoting structure, provided in the first chamber, for introducing the ambient air into the second chamber to permit discharging of the liquid, the method includes a pressure reducing step of reducing a pressure of an entirety of the container, while the liquid container is hermetically sealed; first liquid supplying step of supplying the liquid into the second chamber, and completing the liquid supply before a portion adjacent to the gas-liquid exchange promoting structure of the negative pressure producing member in the first chamber is supplied with the liquid, in a reduced pressure state provided by the pressure reducing step, with the container taking the same orientation as when the liquid supplied to the liquid ejecting head; a second liquid supplying step of supplying the liquid into the first chamber through the liquid supply portion, after the first liquid supplying step into the second chamber; a releasing step of releasing the hermetically sealed state of the first chamber after the second liquid supplying step into the first chamber.
REFERENCES:
patent: 4967207 (1990-10-01), Ruder
patent: 4968998 (1990-11-01), Allen
patent: 5509140 (1996-04-01), Koitabashi et al.
patent: 5663754 (1997-09-01), Lorenze, Jr. et al.
Canon Kabushiki Kaisha
Jacyna J. Casimer
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