B - Operations – Transporting – 41 – J
Patent
B - Operations, Transporting
41
J
B41J 2/045 (2006.01) B41J 2/175 (2006.01) B65D 39/12 (2006.01) B65D 83/70 (2006.01)
Patent
CA 2371027
The present invention discloses an elastic transformable body for adjusting vapor pressure, a vapor pressure adjustment chamber using the same, an ink-jet recording head having a vapor pressure adjustment device and an ink-jet recording device having the recording head, and more particularly to a vapor pressure adjustment device for adjusting negative pressure generated in a liquid chamber in an ink-jet recording head when discharging ink. The pressure adjustment chamber has at least one elastic transformation body having a changeable volume according to vapor pressure to adjust the vapor pressure in a container communicated thereto and a support for supporting the elastic transformation body to the container. In the pressure adjustment chamber, the elastic transformation body includes an approximately circular opening and two surfaces approximately flat before transformation at an outer circumference, in which the two surfaces have a shape extended through a curved portion at a front end opposite to the opening.
Goto Akira
Iijima Yasushi
Koizumi Yutaka
Kono Takeshi
Maeda Hiroyuki
Canon Kabushiki Kaisha
Ridout & Maybee Llp
LandOfFree
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