Ricoh Company, Ltd.

Tohoku Ricoh Co., Ltd.

Other

Mishima Paper Co., Ltd.

Hiroshi Tateishi

Fumiaki Arai

Tetsuo Tanaka

Masanori Rimoto

Yuji Natori

Hirosato Amano

Tetsuo Noji

Hiroshi Sano

Kazuhisa Sudo

Fumihito Itoh

Keizo Chiba

Hiroshi Adachi

Takehiko Iwaoka

Masayuki Ohta

Hideki Ono

Kohichi Ohshima

Naohito Shimota

Masayasu Nonogaki

Hideyuki Yamaguchi

Kouichi Ohshima

Hitoshi Ueda

Ippei Kato

Munenaka Koyama

Keizoh Chiba

Yoshihiro Mimura

Masahiro Koike

In a powder supplying device, a powder container contains powder therein and is provided at a bottom of the powder container with a gas blowout part for ejecting gas to the inside of the powder container. A powder transport unit attracts powder contained in the powder container from a suction opening and transports the powder to a powder receiving device. A first detection unit is provided in the powder container to detect a remaining powder in the powder container.

Powder supplying device and image forming device

A particle supply apparatus is disclosed that includes a particle accommodating unit that accommodates particles, a gas spouting unit that is arranged at a bottom portion of the particle accommodating unit and is configured to spout gas toward the particles, a conveying mechanism that applies suction to the particles accommodated in the particle accommodating unit and conveys the particles toward a supply destination, and a gas discharge unit that discharges gas contained within the particle accommodating unit toward an exterior side of the particle accommodating unit.

Imaging apparatus having particle supply and collection apparatus arranged outside imaging apparatus

A toner supplier, including a toner container configured to contain a toner, an air discharger configured to discharge air from a bottom of the toner container to form a fluidized toner, a detector configured to detect usage information of the toner contained in the toner container, and a communicator configured to send and receive the usage information. The communicator is configured to communicate with an image forming apparatus connected to the toner supplier and a controller connected to the toner supplier.

Toner supplier, toner supply method, image forming apparatus and toner supply system

Particle supply apparatus and imaging apparatus having a gas spouting unit for fluidizing the particles

A particle supply apparatus is disclosed that includes a particle accommodating unit that accommodates particles, a gas spouting unit that is arranged at a bottom portion of the particle accommodating unit and is configured to spout gas toward the particles, and a conveying mechanism that applies suction to the particles accommodated in the particle accommodating unit and conveys the particles toward a supply destination.

Particle supply apparatus, imaging apparatus, and monitoring system

Disclosed is a multi-layer paper suitable as a material for preparing heat-sensitive stencil printing masters. The multi-layer paper is produced by combining a plurality of thin paper layers by paper making. The multi-layer paper has a peel strength of 10 N/m or less and may be delaminated into at least two tissue sheets.

Multi-layer paper peelable into at least two thin sheets

A heat-sensitive stencil including a resin film on which a thin resin layer and a porous resin layer are formed in succession.

Heat-sensitive stencil, process of fabricating same and printer using same

A heat-sensitive stencil having a thermoplastic resin film, and a porous resin layer formed thereon. The stencil has an air permeability in the range of 1.0 cm /cm &middot;sec to 157 cm /cm &middot;sec in a portion thereof when the thermoplastic resin film of the portion is perforated to form perforations providing an open ratio S /S of at least 0.2, wherein S represents a total area of the perforations and S represents the area of the portion. The heat-sensitive stencil is prepared by applying a coating liquid containing the resin of the porous resin layer to the thermoplastic resin film and drying the coating. The coating liquid contains a mixture of a good solvent and a poor solvent less vaporizable than the good solvent so that the porous resin layer is formed after drying.

Heat-sensitive stencil and method of fabricating same

A thermosensitive stencil has a thermoplastic resin film and a porous resin layer formed thereon, with the porous resin layer having a surface smoothness of 15 to 250 sec when measured by the method of Ohken-shiki prescribed in Japan Tappi No. 5. A method for producing the above-mentioned thermosensitive stencil, and an apparatus for making a printing master from the thermosensitive stencil and printing images are also provided.

Thermosensitive stencil, production method thereof, thermosensitive stencil printing master making apparatus and thermosensitive stencil printing apparatus

A heat-sensitive stencil having a thermoplastic resin film, and a porous resin layer formed thereon. The stencil has an air permeability in the range of 1.0 cm.sup.3 /cm.sup.2 .multidot.sec to 157 cm.sup.3 /cm.sup.2 .multidot.sec in a portion thereof when the thermoplastic resin film of the portion is perforated to form perforations providing an open ratio S.sub.O /S.sub.P of at least 0.2, wherein S.sub.O represents a total area of the perforations and S.sub.P represents the area of the portion. The heat-sensitive stencil is prepared by applying a coating liquid containing the resin of the porous resin layer to the thermoplastic resin film and drying the coating. The coating liquid contains a mixture of a good solvent and a poor solvent less vaporizable than the good solvent so that the porous resin layer is formed after drying.

A heat-sensitive stencil including a porous support, and a thermoplastic resin film laminated on the support and having a surface smoothness of at least 10,000 seconds. The stencil is fabricated by bonding a thermoplastic resin film to a porous support with an adhesive having a specific viscosity and a specific volatile matter content, while maintaining each of the support and the film under a specific tension. The stencil may also be fabricated by applying a coating composition containing a resin and first and second solvents having a specific solubility and specific evaporation rates, and drying the applied composition to form a porous support. A printing master is produced by heating the above stencil imagewise by a thermal head with a heating energy of not greater than 0.05 mJ/dot.

Heat-sensitive stencil, process of fabricating same and method of

A stencil base sheet includes a thermoplastic resin film, with a surface of the stencil base sheet on the side of the thermoplastic resin film having a surface smoothness of at least 6000 seconds. From this stencil base sheet, a printing master is prepared by use of a heat-emitting resistor with the application of electric signals thereto with pulse modulation corresponding to image recording density, thereby forming perforations of a different size corresponding to recording image density in the stencil base sheet by thermal fusing. Furthermore, a monochrome or multi-color stencil printing is performed by using the printing master.

Smooth stencil base sheet, method of producing a printing master from

A heat-sensitive stencil is disclosed which includes a porous substrate having opposing first and second surfaces, and a thermoplastic resin film bonded to the first surface of the substrate with an adhesive, wherein the second surface of the substrate is negative to a wax No. 6 pick test defined in the specification herein so that the fibers constituting the substrate are not picked off during its contact with a platen roller in the master forming stage.

Growing community of inventors

Shizuoka, Japan

Hiroshi Tateishi