Seiko Epson Corporation

Toshiaki Yamagami

Nobumasa Abe

Shunichi Seki

Naotaka Higuchi

Ken Ikuma

Yoichi Miyasaka

Yoshiaki Murayama

Nobuhito Takahashi

Masahide Nakamura

Katsuhito Gomi

Koji Akioka

Nobuhiro Miyakawa

Tatsuya Shimoda

Kaneo Yoda

Satoshi Chiba

Seiichi Taniguchi

Shigeo Fujita

Hidehiro Takano

Kazuhiro Ichikawa

Naoko Omagari

Osamu Kobayashi

Kazuma Miyazawa

Hiroshi Kaiho

Masayuki Kobayashi

Makoto Omura

Sotaro Oana

Yutaka Watarai

Nobuyasu Kawai

A magnetic sheet includes a sheet, line-shaped N first magnetic members arranged on the sheet and having magnetic properties, and line-shaped N second magnetic members arranged on the sheet and having magnetic properties, where N denotes the number of the first magnetic members and denotes the number of the second magnetic members.

Magnetic sheet and manufacturing method thereof

A fiber structure manufacturing apparatus includes: a defibration unit that pulverizes and defibrates a fiber raw material that contains fibers; a transportation unit that transports a defibrated material after defibration by the defibration unit; a melting-material mixing unit that mixes a melting material into the defibrated material transported by the transportation unit; a fibrous web forming unit that forms a fibrous web by causing a mixture of the defibrated material and the melting material to accumulate; a sheet supplying unit that supplies a shape retainer sheet to the fibrous web; and a heating-and-pressing mechanism that forms a fiber structure by heating and pressing the fibrous web after the shape retainer sheet is supplied; wherein the sheet supplying unit supplies the shape retainer sheet in such a state that nap is raised on a surface, of the shape retainer sheet, that is to be in contact with the fibrous web.

Fiber structure manufacturing apparatus, fiber structure manufacturing method, and fiber structure

A sheet manufacturing apparatus includes a coarse crushing portion that crushes a raw material containing a fiber into coarse crushed pieces, a defibrating portion that defibrates the coarse crushed pieces into a defibrated material, a sieve portion that includes a plurality of openings, a sheet forming portion that uses the defibrated material passing through the opening of the sieve portion to form a sheet, and a transport passage that transports the defibrated material, which has not passed through the opening of the sieve portion, between the coarse crushing portion and the defibrating portion.

Sheet manufacturing apparatus

A transport device includes a transport pipe for transporting a material to be transported having at least one of a sheet piece, a fiber, and a powder, and a blower for generating an air flow in the transport pipe, the transport device transports the material to be transported by the air flow, in which the transport pipe has an introduction port into which the material to be transported is introduced, the air flow has a velocity difference in a direction orthogonal to a direction of the air flow in the transport pipe, and the introduction port is provided on a side where a velocity of the air flow is lower.

Transport device and sheet manufacturing apparatus

A raw material supply device includes a housing that stores an aggregate of small pieces, a discharge port through which the small pieces are discharged from an inside of the housing, a rotor provided in the housing and including a protruding portion, and a magnet provided on the discharge port or on a downstream side of the discharge port. In addition, it is preferable that the raw material supply device further include a passage route that communicates with the discharge port and through which the small pieces pass, in which at least one pair of the magnets is disposed on one side and the other side via the passage route.

Raw material supply device and sheet manufacturing apparatus

A sheet comprising fibers, resin, and a marking. The resin is a fusion bonding resin, and the fibers are bound to each other by melting the fusion bonding resin. The fibers include defiberated recycled sheet(s). The marking is formed on a surface of the sheet and readable by a reading unit of a supply unit for supplying feedstock to a recycled sheet manufacturing apparatus. When the marking is read by the reading unit, the reading unit is caused to determine that the sheet is made from defibrated recycled sheet.

Sheet manufactured from recyclable materials

An apparatus reduces material left between a shredding unit and a defibrating unit. A sheet manufacturing apparatus including a shredder that separates feedstock containing at least fiber into shreds in air; a defibrating unit that defibrates at least the shreds in air; and a forming unit that forms a sheet using defibrated material defibrated by the defibrating unit; wherein the defibration capacity, which is the amount defibrated per unit time by the defibrating unit, is greater than or equal to the shredding capacity, which is the amount shredded per unit time by the shredder.

Sheet manufacturing apparatus and material defibrating apparatus

In a sheet manufacturing apparatus which includes an installation unit on which a container that stores a powder is installed and which manufactures sheets including the powder and fibers, the installation unit includes an inlet for receiving the powder from the container, and a first shutter for opening and closing the inlet, the first shutter is capable of moving between an open position at which the inlet is opened and a closed position at which the inlet is closed in accordance with attachment and detachment of the container with respect to the installation unit, and the first shutter is provided with a plurality of shutter members and, at the open position, the plurality of shutter members are stored overlapping one another.

Sheet manufacturing apparatus, powder storage container for sheet manufacturing apparatus, and powder supply device

A recycled sheet in which fibers are bonded via an additive agent includes a history including information that is related to characteristics.

Sheet manufacturing apparatus and sheet manufacturing method

A billing charge calculation method for use in a sheet manufacturing apparatus that manufactures a sheet using a material including a fiber, includes: acquiring a quantity of output of the manufactured sheets; and calculating a billing charge according to the quantity of the output of the sheets, in which, in the calculating of the billing charge, a charge that includes a quantity-based charge which is obtained by multiplying the quantity of the output of the sheets by a charge per unit quantity is calculated as the billing charge.

Billing charge calculation method for use in sheet manufacturing apparatus, billing charge calculation apparatus, and billing system

A sheet manufacturing apparatus can determine if the sheets supplied as feedstock have already been recycled. The sheet manufacturing apparatus has a supply unit configured to supply feedstock; a defibrating unit configured to defibrate the feedstock; an depositing unit configured to deposit defibrated material defibrated by the defibrating unit; a forming unit configured to form a sheet from a web laid by the depositing unit; a marking unit configured to apply a mark to at least one of the web and the sheet; and a reading unit configured to read the mark imparted to the feedstock when a sheet having mark imparted thereto is supplied as the feedstock.

A sheet manufacturing apparatus includes a first sieve that has a first opening for screening a defibrated material that is defibrating-processed, a second sieve that has a second opening having a size equal to or greater than a size of the first opening and refines the defibrated material passing through the first sieve by causing the defibrated material to pass through the second opening, and a belt on which the defibrated material passing through the second sieve is deposited.

A paper recycling method includes defibrating first paper by dry type crushing into defibrated material, transporting the defibrated material using a first transport unit, deinking by an air flow classification of the defibrated material after the transporting by the first transport unit, transporting using the second transport unit the defibrated material after the deinking by the classifying process, and forming second paper with the defibrated material after the transporting by the second transport unit.

Paper recycling device and paper recycling method

A defibration unit includes a rotating unit and a fixing unit. The rotating unit and the fixing unit are arranged so as to be apart from each other with a gap therebetween in a direction that intersects with a rotating shaft of the rotating unit. The fixing unit includes a plurality of plates that are layered in an axial direction of the rotating shaft, and the plates has a plurality of convexities that protrude at a side facing the rotating unit.

Defibration unit

A defibrating unit includes a rotating unit and a fixing unit. The rotating unit and the fixing unit are arranged so as to be apart from each other with a gap therebetween in an intersecting direction that intersects with a rotating shaft of the rotating unit. The rotating unit includes a surface that stands up along an axial direction of the rotating shaft and that is arranged on a side section in the axial direction and arranged at a side where a defibration object is introduced. The fixing unit includes a plurality of plates that are layered in the axial direction, and the plates has a plurality of convexities that protrude at a side facing the rotating unit.

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Nagano, Japan

Toshiaki Yamagami