Cooper & Dunham LLP
Ink cartridge and image forming apparatus employing the ink cartridge
An ink cartridge includes an inner pack that stores ink, an outer pack that packs the inner pack and into which gas is introduced to squeeze the inner pack to supply the ink to an exterior of the ink cartridge, and a cartridge case having a housing portion to enclose the outer pack and an inner wall surface against which the outer pack is inflated to be pressed as gas is introduced into the outer pack.
Ricoh Company, Ltd.
B B B B
B41J B41J B41J B41J
inventional inventional inventional inventional
Shotaro Hiroyuki
Takeuchi Yamashita