Abstract: A sound reducing device (30) for an internal combustion engine (1, 101) comprises a chamber forming member (33) defining a sound reducing chamber (32) having a prescribed column length jointly with a belt cover, and the sound reducing chamber communicates with the belt chamber via an opening (31), and the opening opposes a part of a timing belt passed around the cam pulley.

Abstract: A coating device is provided with: a plurality of inkjet heads (31) staggered to cover an area to be coated in a width direction of a long-roll supporting body (10); a pressure adjusting mechanism (40) for adjusting the back-pressure of the coating solution to be applied from inkjet heads (31); a plurality of solution feeding pipes (43) for supplying the coating solution from the pressure adjusting mechanism (40) to inkjet heads (31); and storage tank (50) for storing the coating solution, wherein the feeding volumes of the coating solution from the solution feeding pipes (43) are adjusted equal (i.e. flow resistances of the piping are made equal), so that equal back-pressures are applied to the coating solution to be jetted from the inkjet heads.

Abstract: A coating device is provided with: a plurality of inkjet heads (31) staggered to cover an area to be coated in a width direction of a long-roll supporting body (10); a pressure adjusting mechanism (40) for adjusting the back-pressure of the coating solution to be applied from inkjet heads (31); a plurality of solution feeding pipes (43) for supplying the coating solution from the pressure adjusting mechanism (40) to inkjet heads (31); and storage tank (50) for storing the coating solution, wherein the feeding volumes of the coating solution from the solution feeding pipes (43) are adjusted equal (i.e. flow resistances of the piping are made equal), so that equal back-pressures are applied to the coating solution to be jetted from the inkjet heads.

Abstract: An ink-jet recording sheet comprising a support having thereon an ink receptive layer containing silica microparticles and a water-soluble resin, wherein the ink receptive layer is a porous layer having ink receptive voids with a peak value in a distribution curve of radii of the ink receptive voids of 10 to 50 nm; and the silica microparticles are prepared by pulverizing a silica powder, two parameters X and Y of the silica microparticles satisfying the following relationship: 150<Y+17×loge(X)<500, X being a number of silica microparticles having a diameter of not less than 10 ?m contained per gram of the silica microparticles; and Y being an average particle diameter of the silica microparticles measured in nm.

Abstract: A spray coating apparatus is provided with a conveying apparatus that conveys the object to be coated in the conveyance direction, a spraying head that is placed in a direction that intersects said conveyance direction and that coats the coating solution onto the object to be coated, and a tensile force applying device that applies a prescribed tensile force to the object to be coated in the coating section by said spraying head, and said tensile force applying device maintains the variation of the average positions of the surface of the object to be coated in said coating section from the tip of said spray head, between in the uncoated condition and during coating to be within 0.5% relative to the width of the object to be coated at right angles to said conveyance direction.

Abstract: A method for producing an ink-jet recording medium, comprising the steps of: (a) shear processing a dispersion of pigment particles at a shear rate of 103 to 105 s?1; (b) mixing the dispersion of pigment particles with a water-soluble polymer to obtain a coating composition; and (c) applying the coating composition onto a surface of a support.

Abstract: A spray coating device for coating of a surface layer of an inkjet recording sheet, to form a surface layer by spraying coating solution onto at least one layer of ink absorption layer formed on a substrate is composed of a backup roller to support a substrate and to carry out a continuous conveyance of the substrate, a spray coater placed near a substrate to carry out spray coating of coating solution onto the substrate and a coating solution scatter prevention means to prevent sprayed coating solution from scattering, including a body having a box-shaped structure with an opening on a side of the spray coater and a suction means connected to the body to reduce pressure in the body.

Abstract: An ink-jet recording material comprising a substrate having thereon an ink absorbing layer containing a mordant which exhibits the following properties: when a thin layer chromatograph is prepared by immersion coating in 1 weight % aqueous solution of the mordant, the thin layer chromatography results in; a) an Rf flow rate value being equal at most 0.4, when a dye represented by following Formula (1) is developed using a developing solvent containing ethanol and water at a volume ratio of 1:1; b) the Rf value being at most 0.3, when C. I. Direct Blue 199 dye is developed using the same developing solvent; and c) the Rf value being at most 0.5, when C. I. Direct Yellow 86 dye is developed using the same developing solvent.

Abstract: An ink-jet recording medium is disclosed. The ink accepting layer of the recording medium contains silica dispersion containing silica particles having a ratio of a free silanol group of 1.0 to 4.5. Silica particles and silica particle dispersion are also disclosed.

Abstract: An ink jet recording medium comprising a support and an ink absorptive layer provided thereon, the ink absorptive layer containing silica fine particles, wherein an absorption coefficient of the ink absorptive layer measured by dynamic scanning liquid absorption meter is from 1.0 to 5.0 ml/[m2·(msec)1/2].

Abstract: An ink-jet recording sheet comprising a support having thereon an ink receptive layer containing silica microparticles and a water-soluble resin, wherein the ink receptive layer is a porous layer having ink receptive voids with a peak value in a distribution curve of radii of the ink receptive voids of 10 to 50 nm; and the silica microparticles are prepared by pulverizing a silica powder, two parameters X and Y of the silica microparticles satisfying the following relationship: 150<Y+17×loge (X)<500, X being a number of silica microparticles having a diameter of not less than 10 &mgr;m contained per gram of the silica microparticles; and Y being an average particle diameter of the silica microparticles measured in nm.

Abstract: An ink-jet recording medium is disclosed. The ink accepting layer of the recording medium contains silica dispersion containing silica particles having a ratio of a free silanol group of 1.0 to 4.5. Silica particles and silica particle dispersion are also disclosed.

Abstract: A method for producing an ink-jet recording medium, comprising the steps of: (a) shear processing a dispersion of pigment particles at a shear rate of 103 to 105 s−1; (b) mixing the dispersion of pigment particles with a water-soluble polymer to obtain a coating composition; and (c) applying the coating composition onto a surface of a support.

Abstract: A method of coating a coating solution onto a base member by a coater while conveying the base member, wherein the base member has a coating starting point from which the coating solution is coated onto the base member, comprise steps of feeding the coating solution to the coater at a flow rate lower than a regular coating flow rate; and increasing the lower flow rate to the regular coating flow rate in accordance with the conveyed position of the coating starting point of the base member when the coating starting point of the base member is conveyed to the coater.

Abstract: In the production of a grain-oriented electromagnetic steel strip or sheet having a low watt loss, a silicon steel slab containing not more than 0.085% by weight of carbon, from 2.0% to 4.0% by weight of silicon, from 0.030% to 0.090% by weight of manganese, and from 0.010% to 0.060% by weight of sulfur is conventionally hot-rolled, cold-rolled, and final-annealed. However, this production process involves some problems in regard to the uniformity of the magnetic properties along the full length of the coiled strip. According to the present invention, a silicon steel slab additionally contains from 0.02% to 0.2% by weight of copper, the exit temperature during the finishing-hot-rolling step is controlled in such a manner that the temperature of the top portion of the hot-rolled strip is in the range of from 900.degree. C. to 1050.degree. C. and the temperature of the middle and bottom portions thereof is in the range of from 950.degree. C. and 1150.degree. C.