Abstract: A high-strength galvanized steel sheet has a steel composition which contains, by % by mass, 0.01 to 0.12% of C, 0.2% or less of Si, less than 2% of Mn, 0.04% or less of P, 0.02% or less of S, 0.3% or less of sol. Al, 0.01% or less of N, and over 0.3% to 2% of Cr, and which satisfies 2.1?[Mneq]?3 and 0.24?[% Cr]/[% Mn], the balance being composed of iron and inevitable impurities, and has a steel microstructures containing ferrite and a second phase.

Abstract: A method produces a high-strength cold-rolled steel sheet includes hot-rolling and cold-rolling steel having a composition which contains, by % by mass, over 0.01% to less than 0.08% of C, 0.2% or less of Si, 0.8% to less than 1.7% of Mn, 0.03% or less of P, 0.02% or less of S, 0.3% or less of sol. Al, 0.01% or less of N, and over 0.4% to 2% of Cr, and which satisfies 1.9<[Mneq]<3 and 0.34?[% Cr]/[% Mn], the balance being composed of iron and inevitable impurities; heating at an average heating rate of less than 3° C./sec in a temperature range of 680° C. to 740° C.; annealing at an annealing temperature of over 740° C. to less than 820° C.; cooling at an average cooling rate of 2 to 30° C./sec in a temperature range of the annealing temperature to 650° C.; cooling at an average cooling rate of 10° C./sec or more in the temperature range of 650° C. to Tc° C.

Abstract: The ink-jet recording apparatus includes: a conveyer that conveys a recording medium; a recording head that ejects an ink and a processing solution; an ejection controller that controls ejection of the ink and the processing solution from the recording head; and a double side printer that prints on both surfaces of the recording medium to forming an image on each surfaces. Respective ejection of the ink and the processing solution is controlled so that respective amounts of the ink and the processing solution applied per unit area is less under a double-sided printing mode than the respective amount of the ink and the processing solution applied per unit area under a single-sided printing mode, and so that a reduction ratio of the amount of the ink applied per unit area is larger than one of the processing solution per unit area.

Abstract: A high-strength hot-dip galvanized steel sheet that even on the premise of ordinary CGL heat cycle, has a low yield stress and excels in resistance to natural aging and baking hardenability without reliance on the use of expensive Mo; and a process for producing the same. The constituent composition thereof comprises 0.01 to less than 0.08% C, 0.2% or less Si, more than 1.0 to 1.8% Mn, 0.10% or less P, 0.03% or less S, 0.1% or less Al, 0.008% or less N and more than 0.5% Cr so that the relationship 1.95?Mn(mass %)+1.3Cr(mass %)?2.8 is satisfied and comprising the balance iron and unavoidable impurities. The structure thereof has a ferrite phase and a martensite phase of 2 to 15% area ratio, and the cumulative area ratio of pearlite phase and/or bainite phase is 1.0% or less. In the production of this hot-dip galvanized steel sheet, the temperature and cooling rate are controlled during the annealing/plating operation subsequent to cold rolling.

Abstract: This disclosure relates to a high strength cold rolled steel sheet composed of ferrite grains having an average grain diameter of 10 ?m or less, in which the average number per unit area of Nb(C, N) precipitates having a diameter of 50 nm or more is 7.0×10?2/?m2 or less, and a zone having a width of 0.2 to 2.4 ?m and an average area density of NbC precipitates of 60% or less of that of the central portion of the ferrite grains is formed along grain boundaries of the ferrite grains, for example, the steel sheet consisting of 0.004 to 0.02% of C, 1.5% or less of Si, 3% or less of Mn, 0.15% or less of P, 0.02% or less of S, 0.1 to 1.5% of sol.Al, 0.001 to 0.007% of N, 0.03 to 0.2% of Nb, by mass, and the balance of Fe and inevitable impurities. The steel sheet is most preferably used for automobile panel parts since it has the TS of 340 MPa or more and the superior surface strain resistance and press formability.

Abstract: A galvanized steel sheet excellent in strength-ductility balance and bake-hardenability as well as a method for producing the same are provided. The chemical components thereof include C, Si, Mn, P, S, Al, N and Cr at content ratios of 0.005 to 0.04%, 1.5% or lower, 1.0 to 2.0%, 0.10% or lower, 0.03% or lower, 0.01 to 0.1%, less than 0.008% and 0.2 to 1.0%, respectively, with Mn (mass %)+1.29Cr (mass %) being in the range of 2.1 to 2.8, and further include iron and unavoidable impurities as the balance. The structure thereof consists of a ferrite phase and a martensite phase with a volume fraction being at least 3.0% and less than 10%, the average particle diameter of the ferrite is larger than 6 ?m and not more than 15 ?m, and 90% or more of the martensite phase exists in a ferrite grain boundary. In addition, in the production process of such a galvanized steel sheet, a steel sheet obtained in a cold rolling step is annealed at a temperature being at least the Ac1 point and not more than the Ac3 point.

Abstract: There is provided a liquid drop discharging device including: a liquid drop discharging head that discharges liquid drops onto a recording sheet; a discharged region computing section that, on the basis of inputted image data, computes a size of a region where liquid drops are to be discharged on the recording sheet by the liquid drop discharging head; a margin proportion computing section that, on the basis of the computed size of the discharged region and a size of the recording sheet, computes a proportion of a margin of the recording sheet; and a determination section that, when the computed proportion of the margin is less than a predetermined margin proportion, determines that sheet curling will occur at the recording sheet on which an image is recorded by liquid drop discharging of the liquid drop discharging head.

Abstract: A droplet ejecting apparatus comprising a droplet ejecting unit having a droplet ejecting face, wherein the droplet ejecting face is provided with nozzles which eject droplets containing an organic compound, the droplet ejecting apparatus ejects the droplets by an inkjet method, the droplet ejecting apparatus comprises a water-shedding film provided on the droplet ejecting face near the nozzles and a hydrophilic film containing a photocatalyst provided in a region on the droplet ejecting face other than near the nozzles. Also provided is a droplet ejecting apparatus comprising a droplet ejecting unit, a cleaning member, and a wiping member, wherein the cleaning member removes the dirt containing an organic compound adhered to the droplet ejecting face, the wiping member wipes off the dirt containing the organic compound adhered to the cleaning member, and a wiping part of the wiping member comprises a photocatalyst.

Abstract: The ink-jet recording apparatus includes: a conveyer that conveys a recording medium; a recording head that ejects an ink and a processing solution; an ejection controller that controls ejection of the ink and the processing solution from the recording head; and a double side printer that prints on both surfaces of the recording medium to forming an image on each surfaces. Respective ejection of the ink and the processing solution is controlled so that respective amounts of the ink and the processing solution applied per unit area is less under a double-sided printing mode than the respective amount of the ink and the processing solution applied per unit area under a single-sided printing mode, and so that a reduction ratio of the amount of the ink applied per unit area is larger than one of the processing solution per unit area.

Abstract: There is provided a liquid drop discharging device including: a liquid drop discharging head that discharges liquid drops onto a recording sheet; a discharged region computing section that, on the basis of inputted image data, computes a size of a region where liquid drops are to be discharged on the recording sheet by the liquid drop discharging head; a margin proportion computing section that, on the basis of the computed size of the discharged region and a size of the recording sheet, computes a proportion of a margin of the recording sheet; and a determination section that, when the computed proportion of the margin is less than a predetermined margin proportion, determines that sheet curling will occur at the recording sheet on which an image is recorded by liquid drop discharging of the liquid drop discharging head.

Abstract: A droplet ejecting apparatus comprising a droplet ejecting unit having a droplet ejecting face, wherein the droplet ejecting face is provided with nozzles which eject droplets containing an organic compound, the droplet ejecting apparatus ejects the droplets by an inkjet method, the droplet ejecting apparatus comprises a water-shedding film provided on the droplet ejecting face near the nozzles and a hydrophilic film containing a photocatalyst provided in a region on the droplet ejecting face other than near the nozzles. Also provided is a droplet ejecting apparatus comprising a droplet ejecting unit, a cleaning member, and a wiping member, wherein the cleaning member removes the dirt containing an organic compound adhered to the droplet ejecting face, the wiping member wipes off the dirt containing the organic compound adhered to the cleaning member, and a wiping part of the wiping member comprises a photocatalyst.

Abstract: The present invention relates to a high strength cold rolled steel sheet composed of ferrite grains having an average grain diameter of 10 ?m or less, in which the average number per unit area of Nb(C, N) precipitates having a diameter of 50 nm or more is 7.0×10?2/?m2 or less, and a zone having a width of 0.2 to 2.4 ?m and an average area density of NbC precipitates of 60% or less of that of the central portion of the ferrite grains is formed along grain boundaries of the ferrite grains, for example, the steel sheet consisting of 0.004 to 0.02% of C, 1.5% or less of Si, 3% or less of Mn, 0.15% or less of P, 0.02% or less of S, 0.1 to 1.5% of sol.Al, 0.001 to 0.007% of N, 0.03 to 0.2% of Nb, by mass, and the balance of Fe and inevitable impurities. The steel sheet of the present invention is most preferably used for automobile panel parts since it has the TS of 340 MPa or more and the superior surface strain resistance and press formability.

Abstract: The present invention provides an ink jet recording apparatus which has a recording head having at least one nozzle which ejects liquid droplets of ink to record an image on a recording medium. The ink jet recording apparatus includes a mist collecting device for collecting a mist that does not impact against the recording medium and a catalytic decomposing device for decomposing organic components in the mist by means of a catalyst. The catalyst is preferably a photo semiconductor catalyst. Further, the apparatus preferably has an air suction device and/or a collector for collecting the mist. The catalytic decomposing device also preferably has a light irradiation device.

Abstract: The present invention relates to a high strength cold rolled steel sheet consisting of 0.015% or less of C, 1.5% or less of Si, 0.4 to 3% of Mn, 0.15% or less of P, 0.02% or less of S, 0.1 to 1% of sol.Al, 0.01% or less of N, 0.2% or less of Ti, by mass %, and the balance of Fe and inevitable impurities. In this steel sheet, 1?([Ti]/48)/([C]/12+[N]/14) is satisfied, in which [M] represents the content of the element M. Since having the superior deep drawability and the TS of 340 to 590 MPa, the high strength cold rolled steel sheet of the present invention is preferably used for automobiles parts difficult to be press formed, such as a side outer panel and a door inner panel.

Abstract: The present invention provides a steel sheet for a heat shrink band, containing, by mass %, 0.005% or less of C, 0.5 to 4% of Si, 2% or less of Mn, 0.2% or less of P, 0.04% or less of S, 0.2% or less of sol.Al, 0.01% or less of N, 0.0003 to 0.004% of B, 0.005% or less of O, and 0.002 to 0.1% of Sb, the balance being substantially formed of Fe, or a steel sheet for a heat shrink band further having a ratio of content of B to content of N (B/N) in the range from 0.2 to 1. This steel sheet realizes a heat shrink band having high strength and sufficient magnetic shielding properties.

Abstract: An inner periphery driving type rubber crawler comprises: a plurality of core metals buried in series in the rubber crawler along the longitudinal direction thereof such that the longer sides of each core metal are in parallel with the transverse direction of the crawler; a plurality of steel cords buried in the rubber crawler such that they surround the outer periphery of the core metals; a pair of horns which protrude from each core metal toward the inner side of the rubber crawler and which have a shape longer in said transverse direction than said longitudinal direction; and rubber members which cover sides of said horn in said longitudinal direction. The paired horns and the associated rubber members form a pair of driving protrusions. A sprocket of a driving wheel is inserted between the driving protrusions and is engaged with the protrusions via driving pins for transferring driving force to the rubber crawler.

Abstract: A rubber crawler has a rubber elastomer constituting a main body of the crawler, at least one metal core buried in the rubber elastomer and extending in a widthwise direction perpendicular to a running direction of the crawler, and at least one rubber lug formed on an outer peripheral face of the rubber elastomer. An element is applied to each widthwise end of the metal core to improve the durable life of the crawler.

Abstract: A rubber crawler has a rubbery elastomer constituting a main body of the crawler. At least one metal core is buried in the rubbery elastomer and extending in a widthwise direction perpendicular to a running direction of the crawler. At least one rubber lug is formed on an outer peripheral face of the rubber elastomer. A specified configuration is applied to each widthwise end of the metal core to improve the durable life of the crawler.

Abstract: An ultra-precision grinding machine capable of effectively dealing with finishing of a complicated curved groove loop on a workpiece, while improving efficiency and consistency of the operation. The machine includes a processing member carrying a grinding tool; a work table which is slidable and rotatable in a horizontal plane, and which holds a workpiece underneath the grinding tool; and a slide table having a motor for driving the work table in rotational motion, the slide table being slidable in a horizontal plane together with the work table.

Abstract: A rubber crawler comprises an endless rubber crawler belt which extends over a sprocket and an idler tumbler of a vehicle, and has a running surface formed on its inner circumference and on which a plurality of rollers roll, and a plurality of cores each having a base embedded in the belt and arranged perpendicularly to the longitudinal direction of the crawler belt at a proper mutual spacing longitudinally of the belt. Each core has an extended core part. The extended core part has a surface corresponding to the running surface along which the rollers are rolled, the core surface being wider longitudinally of the crawler belt than the width of the base of the core.