Jfe Steel Corporation

Hitachi-omron Terminal Solutions, Corporation

Nippon Electric Co., Ltd.

Nkk Corporation

Masayasu Ueno

Hiroo Yonezu

Takashi Kobayashi

Yoshimasa Funakawa

Yoshiyasu Kawasaki

Yuki Toji

Yukio Kimura

Takako Yamashita

Junji Fujita

Isamu Sakuma

Yoshimitsu Harada

Masahiro Seguchi

Hidemasa Kodama

Yasuhiro Sodani

Tatsuhito Fukushima

Katsuhiko Nishida

Shunsuke Hayashi

Hidetoshi Hata

Hisanori Takemura

Junji Nishiwaki

Shogo Tomita

Hirokazu Kobayashi

Kaoru Sato

Yuji Yamasaki

Masaaki Yamashita

Yasuyuki Hayakawa

Masaki Tada

Satoru Ando

Riichi Kato

Junichi Inagaki

Yoshiharu Sugimoto

Akira Nishino

Hideo Kawano

Atsuko Uozumi

Hisato Noro

Takeshi Kanagawa

Yoshishige Matsumoto

Izuo Hayashi

Shuuji Tanaka

Roy Lang

Yukihiro Mabuchi

Shohei Matsumoto

Yasuo Nannichi

Tonao Yuasa

Takao Furuse

Youta Sasajima

Junichi Toriu

Taibun Kamejima

Toshio Uji

To provide a high-strength steel sheet with excellent ductility and hole expansion formability, a yield ratio of less than 68%, and a tensile strength of 590 MPa or more, by having a predetermined chemical composition and a microstructure where ferrite is 35% or more and 80% or less and martensite is 5% or more and 25% or less in area ratio, retained austenite is 8% or more in volume fraction, the average grain size of ferrite, martensite and retained austenite is 6.0 &#x3bc;m or less, 3.0 &#x3bc;m or less and 3.0 &#x3bc;m or less respectively, the average aspect ratio of crystal grain of ferrite, martensite and retained austenite is each more than 2.0 and 15.0 or less, and the value obtained by dividing the Mn content (mass %) in retained austenite by the Mn content (mass %) in ferrite is 2.0 or more.

High-strength steel sheet and method for producing same

To provide a high-strength steel sheet with excellent ductility and hole expansion formability, a yield ratio of less than 68%, and a tensile strength of 980 MPa or more, by having a predetermined chemical composition and a microstructure where ferrite is 15% or more and 55% or less and martensite is 15% or more and 30% or less in area ratio, retained austenite is 12% or more in volume fraction, the average grain size of ferrite, martensite and retained austenite is 4.0 &#x3bc;m or less, 2.0 &#x3bc;m or less and 2.0 &#x3bc;m or less respectively, the average aspect ratio of crystal grain of ferrite, martensite and retained austenite is each more than 2.0 and 15.0 or less, and the value obtained by dividing the Mn content (mass %) in retained austenite by the Mn content (mass %) in ferrite is 2.0 or more.

Disclosed is a method for manufacturing a grain-oriented electrical steel sheet using an inhibitor-less technique, in which cold rolling includes final cold rolling with a total cold rolling reduction being set to 85% or more and a rolling reduction per pass being set to 32% or more. The final cold rolling includes one or more passes and a final pass succeeding the one or more passes and uses work rolls having a surface roughness Ra of 0.25 &#x3bc;m or less in at least one of the one or more passes other than the final pass. According to this method, it is possible to stably manufacture a grain-oriented electrical steel sheet exhibiting excellent magnetic properties at low cost.

Method for manufacturing grain-oriented electrical steel sheet

A cold rolling facility includes: a heating device; a tandem mill including a plurality of rolling mills; a meandering-amount measuring unit; a meandering-movement correction device; a shape measuring unit; a shape controller configured to control a shape of a steel sheet after being cold-rolled by the rolling mill located on the uppermost stream side; and a controller configured to control operations of the meandering-movement correction device based on a measurement value of a meandering-movement amount of the steel sheet by the meandering-amount measuring unit to control a meandering movement of the steel sheet before being heated, and configured to control operations of the shape controller based on a measurement value of a shape of the steel sheet by the shape measuring unit to control the meandering movement of the steel sheet that is attributed to cold rolling of the steel sheet by the tandem mill.

Cold rolling facility and cold rolling method

A cold rolling apparatus includes: a heating device configured to heat a sequentially transferred steel sheet; a cold rolling mill configured to sequentially cold-roll the steel sheet after being heated; a meandering-movement correction device arranged on an upstream side of the heating device in a transfer direction of the steel sheet, and configured to correct a meandering movement of the steel sheet transferred toward the heating device; and a meandering-movement suppression device arranged between the heating device and the cold rolling mill, and configured to suppress a meandering movement of the steel sheet attributed to the cold rolling of the steel sheet by using the cold rolling mill.

Cold rolling apparatus

Provided is a paper sheet storage unit and an automatic teller machine with which storage space can be partitioned while maintaining operability with respect to paper currency. The paper sheet storage unit is equipped with: a partition member that partitions a storage space for paper sheets into multiple storage spaces, and has a recessed portion at a position where the paper sheets are removed; and a door that has a protruding portion for filling the recessed portion at a position corresponding to the recessed portion, and that opens/closes an opening that includes the multiple storage spaces.

Paper sheet storage box and automatic teller machine

A coating device includes: a first roll including a roll surface on which an application liquid is deposited; a first scratch off member configured to scratch off the application liquid from the roll surface of the first roll; a second roll including a roll surface configured to contact with the roll surface of the first roll, wherein the second roll is configured to rotate in a rotation direction opposite to a rotation direction of the first roll, the application liquid is transferred from the roll surface of the first roll to the roll surface of the second roll, and the second roll is configured to transfer the transferred application liquid to a steel strip; and a second scratch off member configured to scratch off the application liquid from the roll surface of the second roll.

Coating device and coating method

Provided is a paper money handling apparatus of which the security of a paper money process unit is improved, the jam is easily removed, and the layout is easily changed while the operability thereof is ensured. The paper money handling apparatus includes a repository, a temporary storage container, and a money deposit/withdrawal slot. The repository is provided inside a safe so as to store paper money therein. The temporary storage container is provided inside the safe so as to temporarily store deposited paper money therein during a transaction. The money deposit/withdrawal slot serves as an entry/exit opening of a paper money passageway provided at the upper part of the safe so as to communicate with the repository and the temporary storage container.

Paper money handling apparatus

A paper-slip handling device with: a reduced stoppage rate and banknote rejection rate for a deposit/withdrawal device; improved ability to remove foreign material from banknote bundles; improved user-friendliness; and improved reliability, comprising: a deposit/withdrawal unit used for depositing and withdrawal of paper slips, a paper-slip identification unit that identifies paper slips, a temporary holding compartment that temporarily stores deposited paper slips, a plurality of paper-slip storage compartments, and a first paper-slip transport path via which paper slips are transported to the various aforementioned units. The deposit/withdrawal unit has an opening via which paper slips are transferred in a substantially horizontal state, a storage section that stores paper slips in a substantially upright state, and a second paper-slip transport path that connects said opening and storage section. The paper slips are transported via said second paper-slip transport path while being switched between the substantially upright state and substantially horizontal state.

Paper-slip handling device and automated transaction device

A paper currency handling apparatus associated with the present invention has a paper currency storage unit which receives paper currencies, a feeder port which enters or dispenses paper currencies by opening or closing an inner shutter and an outer shutter, a transport path which transports the paper currencies between the feeder port and the paper currency storage unit, open/close control unit which controls open/close operations of the inner shutter and the outer shutter independently, and paper currency posture modification unit which modifies the posture of paper currencies present between the outer shutter and the inner shutter.

Paper currency handling apparatus and method of depositing paper currencies using same

A paper note handling apparatus includes a pay-in and pay-out mouth through which a paper note is paid in or paid out, a conveyance for conveying the paper note, a discrimination part to discriminate authenticity and denomination of the conveyed paper note, a temporary hold part to temporarily hold the paper note, a storing part to store the paper note, and a shifter to shift a position of the paper note in a widthwise direction of conveyance. The shifter rotates in a direction inclined relative to a direction of conveyance of the paper note and comes into contact with the paper note to shift the position of the paper note in the widthwise direction of conveyance.

Sheet handling apparatus

A sheet handling apparatus is proposed to be able to stably shift a position of a sheet. A sheet handling apparatus comprises: conveyance device for conveying a sheet; shift device, rotating in a direction inclined relative to a direction of conveyance of the sheet, for coming into contact with the sheet to shift a position of the sheet in a widthwise direction of conveyance; and shift presence and absence switching device for switching between a shift execution state, in which shift of the sheet is executed by the shift device, and a shift non-execution state, in which the shift is not executed by the shift device; wherein at least a part of that contact portion of the shift device, which comes into contact with a surface of the sheet, is positioned at a side of a shift direction relative to the conveyance device, which has a conveyance force during shift, and a frictional force of the shift device on the sheet at the time of execution of shift is set to be larger than that of the conveyance device on the sheet.

A surface treatment apparatus for a metal sheet has a blasting device for blasting solid particles having an average particle diameter of 300 &#x3bc;m or less onto the metal sheet which is continuously transferred, a blast chamber in which the blasting device is disposed, and cleaning means provided at the downstream side of the blast chamber for cleaning a surface of the metal sheet. At an inlet side of the blasting device, a deposits removing device for removing deposits on the surface of the metal sheet may be provided.

Surface treatment facility of metal plate and method for producing metal plate

The method for manufacturing galvanized steel sheet has a step of adjusting the surface texture thereof by blasting solid particles against the surface thereof. The surface texture is defined by at least one parameter selected from the group of parameters consisting of mean roughness Ra on the surface of steel sheet, peak count PPI on the surface of steel sheet, and filtered centerline waviness Wca on the surface of steel sheet. The galvanized steel sheet has a surface in dimple-pattern texture.

Galvanized steel sheet, method for manufacturing the same, and method for manufacturing press-formed product

A semiconductor laser of the rib guide type having the thickness of an active layer within a stripe-shaped region thicker than that of the outside, and thus the stripe-shaped region is made to have a waveguide action and, thereby, fundamental mode laser may be achieved.

Semiconductor laser

Growing community of inventors

Tokyo, Japan

Masayasu Ueno