Ricoh Company, Ltd.

Masami Iguchi

Masato Suzuki

Hideki Sato

Takanori Tsuyuki

Shigeo Hatada

Kiyohiro Uehara

Moriaki Saitoh

Hideki Sugiyama

Masakazu Muranaka

Shinya Hanatani

Moriaki Saito

Hideki Satoh

Michio Urata

Hiromitsu Mizuno

Masakazu c/o Ricoh Company Ltd Muranaka

A liquid containing bag includes a liquid filling opening part having a tube configuration through which an inside of the liquid containing bag is filled with liquid. The liquid filling opening part is melt-sealed from directions which face each other in a part of the liquid filling opening part. The part which is melted has a non-symmetrical configuration.

Liquid containing bag, liquid cartridge, image forming device, and sealing method and sealing apparatus for the liquid containing bag

A method of sealing a liquid container, including filling a liquid into a liquid containing bag including a cylindrical inlet; and sandwiching the cylindrical inlet with a pair of heat-sealing heads upon application of heat such that the cylindrical inlet is sealed with the liquid therein, wherein at least one of the pair of heat-sealing heads comprises a concave edge.

Method of sealing a cylindrical inlet of a bag

An ink bag comprises a flexible bag body of a generally rectangular form and a holding member attached to one edge of the bag body, wherein the holding member includes: an ink filling opening for filling the bag body with ink; an ink discharging opening for discharging the ink inside the bag body; and an engaging part for holding the ink bag to a cartridge case in which the ink bag is accommodated.

Ink bag, ink cartridge and ink-jet recording apparatus, ink filling method, ink refilling method, manufacturing method of ink cartridge, and recycling method of ink cartridge

Liquid containing bag, liquid cartridge, image forming device and sealing method and sealing apparatus for the liquid containing bag

A mixing device for preparing an ink including: a mixing vessel including an injection nozzle and a discharge opening, both of which are provided on a bottom surface of the mixing vessel, wherein the injection nozzle faces in substantially a horizontal direction along a side surface of the mixing vessel to swirl the ink along the side surface, and the discharge opening is located on a downstream side from the injection nozzle relative to the swirling direction and at a position between the center of the bottom surface and the side surface; a connector connecting the injection nozzle with the discharge opening; and a pump configured to transport the ink from the discharge opening to the injection nozzle through the connector and inject the ink into the mixing vessel from the injection nozzle while applying a pressure to the ink.

INK MIXING DEVICE, INK MANUFACTURING APPARATUS, METHOD FOR WASHING THE INK MANUFACTURING APPARATUS, METHOD FOR MANUFACTURING INK, INK, INK CARTRIDGE CONTAINING THE INK, IMAGE FORMING METHOD AND APPARATUS USING THE INK, AND PRINT IMAGE PRODUCED BY THE IMAGE FORMING METHOD AND APPARATUS

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Shizuoka, Japan

Masami Iguchi