Abstract: Provided are aluminum titanate capable of providing a sintered body having a low coefficient of thermal expansion, a high porosity, and high mechanical strength, a production method of the same, and a sintered body of the columnar aluminum titanate. The columnar aluminum titanate has an average aspect ratio (=(number average major-axis length)/(number average minor-axis length)) of 1.5 or more and its magnesium content is preferably within the range of 0.5% to 2.0% by weight relative to the total amount of titanium and aluminum in terms of their respective oxides.

Abstract: A fuel hose comprising a laminated structure of a tubular resin layer and an adjoining rubber layer, the rubber layer being formed by a rubber composition containing the following (A) to (E) as essential components and the following (F) at less than 0.1 parts by weight based on 100 parts by weight of the following (A) as an optional component, and the resin layer being formed by a material containing a tetrafluoroethylene-hexafluoropropylene-vinylidene fluoride-perfluoroalkyl vinyl ether quaternary polymer as a main component: (A) diene rubber; (B) a sulfur vulcanizing agent; (C) at least one selected from the group consisting of 1,8-diazabicyclo[5.4.0]undecene-7 salt, 1,5-diazabicyclo[4.3.0]nonene-5 salt, 1,8-diazabicyclo[5.4.0]undecene-7 and 1,5-diazabicyclo[4.3.0]nonene-5; (D) at least one of metallic salt of carbamate and metallic salt of thiazole; (E) magnesium oxide; and (F) zinc oxide.

Abstract: A heat resistant air hose which is excellent in oil-bleeding resistance and causes reduced vibration noise is provided. The heat resistant air hose has an inner layer formed of an inner layer material comprising silicone rubber as a major component thereof; and an outer layer provided on an outer periphery of the inner layer and formed of an outer layer material comprising acrylic rubber as a major component thereof, and the acrylic rubber contains not less than 50 wt % of ethyl acrylate and has a dissipation factor (tan ?) of not less than 0.09 at 150 ° C. and a storage elastic modulus (E?) of not less than 7.0 MPa.

Abstract: Problems encountered in the conventional inspection method and the conventional apparatus adopting the method are solved by the present invention using an electron beam by providing a novel inspection method and an inspection apparatus adopting the novel method which are capable of increasing the speed to scan a specimen such as a semiconductor wafer. The inspection novel method provided by the present invention comprises the steps of: generating an electron beam; converging the generated electron beam on a specimen by using an objective lens; scanning the specimen by using the converged electron beam; continuously moving the specimen during scanning; detecting charged particles emanating from the specimen at a location between the specimen and the objective lens and converting the detected charged particles into an electrical signal; storing picture information conveyed by the electrical signal; comparing a picture with another by using the stored picture information; and detecting a defect of the specimen.

Abstract: Problems encountered in the conventional inspection method and the conventional apparatus adopting the method are solved by the present invention using an electron beam by providing a novel inspection method and an inspection apparatus adopting the novel method which are capable of increasing the speed to scan a specimen such as a semiconductor wafer. The inspection novel method provided by the present invention comprises the steps of: generating an electron beam; converging the generated electron beam on a specimen by using an objective lens; scanning the specimen by using the converged electron beam; continuously moving the specimen during scanning; detecting charged particles emanating from the specimen at a location between the specimen and the objective lens and converting the detected charged particles into an electrical signal; storing picture information conveyed by the electrical signal; comparing a picture with another by using the stored picture information; and detecting a defect of the specimen.

Abstract: A pigment aqueous-medium dispersion and coating material which have no particle feeling and exhibit a highly excellent silky feeling, the pigment aqueous-medium dispersion is a dispersion of a photoluminescent pigment in an aqueous medium, characterized in that the photoluminescent pigment is flaky titanic acid obtained by treating layered titanate with acid and then reacting an organic basic compound with the treated layered titanate to delaminate, and the flaky titanic acid has an average longer diameter of 5 to 30 ?m and an average thickness of 0.5 to 300 nm.

Abstract: An acrylic rubber composition in which the base material is an acrylic rubber comprising monomer units of ethyl acrylate, n-butyl acrylate, and cure site monomer, with a ratio (B/A) of the amount of n-butyl acrylate (B) with respect to ethyl acrylate (A) of 1.0 or less by weight. A heat-resistant hose having a layer of this acrylic rubber composition as the innermost layer. The above constitution of the invention provides the acrylic rubber composition effective for preventing aluminum fixing while retaining the material properties of acrylic rubber and its excellent characteristics. The present invention also provides a heat-resistant hose using this acrylic rubber composition at the surface which is to be fitted with an aluminum member.

Abstract: A titanic acid coating film a light-resistant titanic acid coating film obtained by applying a suspension of flaky titanic acid to a substrate and drying the coating, characterized in that the suspension of flaky titanic acid is an aqueous suspension of flaky titanic acid which is prepared by treating a layered titanate with an acid, making an organic basic compound act on the obtained product to conduct interlaminar swelling or delamination, and then replacing the organic basic compound by cesium ions and, preferably, in that the layered titanate is one represented by the general formula: AxMy?zTi2?(y+z)O4 [wherein A and M are different from each other and are each a mono-to tri-valent metal; ? represents a Ti-defective site; x is a positive real number satisfying the relationship: O<x<1; and y and z are 0 or positive real numbers satisfying the relationship: O<y+z<1].

Abstract: Problems encountered in the conventional inspection method and the conventional apparatus adopting the method are solved by the present invention using an electron beam by providing a novel inspection method and an inspection apparatus adopting the novel method which are capable of increasing the speed to scan a specimen such as a semiconductor wafer. The inspection novel method provided by the present invention comprises the steps of: generating an electron beam; converging the generated electron beam on a specimen by using an objective lens; scanning the specimen by using the converged electron beam; continuously moving the specimen during scanning; detecting charged particles emanating from the specimen at a location between the specimen and the objective lens and converting the detected charged particles into an electrical signal; storing picture information conveyed by the electrical signal; comparing a picture with another by using the stored picture information; and detecting a defect of the specimen.

Abstract: A resin composite fuel hose of a multilayer construction includes a resin layer as a barrier layer having a fuel permeation resistance, an inner rubber layer as an inner surface layer laminated on an inner side of the resin layer and an outer rubber layer laminated on an outer side of the resin layer. The outer rubber layer has a rubber hardness degree equal to or greater than that of the inner rubber layer, and the inner rubber layer has a permanent elongation equal to or less than 90%.

Abstract: A sub sealing projection of an elastic sealing member for a fuel tank is entirely angled, and shaped so as to satisfy 20° ? ?1 (angle defined by its upper surface and a cylindrical sealing portion)? 35°, 50° ? ?2(angle defined by its lower surface and the cylindrical sealing portion)? 70°, 0.4? B (radial distance between a portion having a diameter corresponding to an inner peripheral surface of the cylindrical wall portion and a leading end of the sub sealing projection)/A (maximum projecting distance of the sub sealing projection)? 0.55, and a leading end portion of the sub sealing projection is shaped so as to satisfy a condition, 0.1? R (curvature radius of cross-section thereof)/C(length of a base portion of the sub sealing projection)? 0.2.

Abstract: Problems encountered in the conventional inspection method and the conventional apparatus adopting the method are solved by the present invention using an electron beam by providing a novel inspection method and an inspection apparatus adopting the novel method which are capable of increasing the speed to scan a specimen such as a semiconductor wafer. The inspection novel method provided by the present invention comprises the steps of: generating an electron beam; converging the generated electron beam on a specimen by using an objective lens; scanning the specimen by using the converged electron beam; continuously moving the specimen during scanning; detecting charged particles emanating from the specimen at a location between the specimen and the objective lens and converting the detected charged particles into an electrical signal; storing picture information conveyed by the electrical signal; comparing a picture with another by using the stored picture information; and detecting a defect of the specimen.

Abstract: A quick connector is provided with a connector housing and a wire retainer. The connector housing has a retainer mounting portion which is formed with engagement slits. The wire retainer is mounted on the retainer mounting portion such that engaging arms enter the engagement slits and project in the retainer mounting portion. Each of the engaging slits has a width larger than a diameter of the engaging arm in order to generate a collision noise by collision between the engaging arm and the connector housing or the pipe upon completion of closing motion of the engaging arms.

Abstract: A hose for gasohol fuel including an inner layer containing at least one selected from (A) to (D) below and an alcohol-cut off layer including a rubber composition containing a butyl rubber, a hydrated hydrotalcite compound, and a 1,8-diazabicyclo(5,4,0)undecene-7 salt (DBU salt): (A) a tetrafluoroethylene-hexafluoropropylene-vinylidene fluoride terpolymer or a tetrafluoroethylene-hexafluoropropylene-vinylidene fluoride-perfluoroalkyl vinyl ether tetrapolymer; (B) a polyamide resin; (C) a fluororubber; and (D) NBR or NBR-PVC.

Abstract: A fiber reinforced hose has a multilayer structure including an inner rubber layer, an outer rubber layer and a fiber reinforcing layer of a reinforcing yarn between the inner rubber layer and the outer rubber layer. The reinforcing yarn includes at least one raw yarn. The raw yarn is obtained by fixedly entangling short fibers with multiple monofilaments that are a bundle of paralleled monofilaments so as to intersect with the paralleled monofilaments and project from the multiple monofilaments.

Abstract: A heat resistant air hose which is excellent in oil-bleeding resistance and causes reduced vibration noise is provided. The heat resistant air hose has an inner layer formed of an inner layer material comprising silicone rubber as a major component thereof; and an outer layer provided on an outer periphery of the inner layer and formed of an outer layer material comprising acrylic rubber as a major component thereof, and the acrylic rubber contains not less than 50 wt % of ethyl acrylate and has a dissipation factor (tan?) of not less than 0.09 at 150 ° C. and a storage elastic modulus (E?) of not less than 7.0 MPa.

Abstract: A fuel hose comprising a laminated structure of a tubular resin layer and an adjoining rubber layer, the rubber layer being formed by a rubber composition containing the following (A) to (E) as essential components and the following (F) at less than 0.1 parts by weight based on 100 parts by weight of the following (A) as an optional component, and the resin layer being formed by a material containing a tetrafluoroethylene-hexafluoropropylene-vinylidene fluoride-perfluoroalkyl vinyl ether quaternary polymer as a main component: (A) diene rubber; (B) a sulfur vulcanizing agent; (C) at least one selected from the group consisting of 1,8-diazabicyclo[5.4.0]undecene-7 salt, 1,5-diazabicyclo[4.3.0]nonene-5 salt, 1,8-diazabicyclo[5.4.0]undecene-7 and 1,5-diazabicyclo[4.3.0]nonene-5; (D) at least one of metallic salt of carbamate and metallic salt of thiazole; (E) magnesium oxide; and (F) zinc oxide.

Abstract: A resin composite fuel hose of a multilayer construction includes a resin layer as a barrier layer having a fuel permeation resistance, an inner rubber layer as an inner surface layer laminated on an inner side of the resin layer and an outer rubber layer laminated on an outer side of the resin layer. The outer rubber layer has a rubber hardness degree equal to or greater than that of the inner rubber layer, and the inner rubber layer has a permanent elongation equal to or less than 90%.

Abstract: A sub sealing projection of an elastic sealing member for a fuel tank is entirely angled, and shaped so as to satisfy 20°??1(angle defined by its upper surface and a cylindrical sealing portion)?35°, 50°??2(angle defined by its lower surface and the cylindrical sealing portion)?70°, 0.4?B (radial distance between a portion having a diameter corresponding to an inner peripheral surface of the cylindrical wall portion and a leading end of the sub sealing projection)/A (maximum projecting distance of the sub sealing projection)?0.55, and a leading end portion of the sub sealing projection is shaped so as to satisfy a condition, 0.1?R (curvature radius of cross-section thereof)/C(length of a base portion of the sub sealing projection)?0.2.

Abstract: Problems encountered in the conventional inspection method and the conventional apparatus adopting the method are solved by the present invention using an electron beam by providing a novel inspection method and an inspection apparatus adopting the novel method which are capable of increasing the speed to scan a specimen such as a semiconductor wafer. The inspection novel method provided by the present invention comprises the steps of: generating an electron beam; converging the generated electron beam on a specimen by using an objective lens; scanning the specimen by using the converged electron beam; continuously moving the specimen during scanning; detecting charged particles emanating from the specimen at a location between the specimen and the objective lens and converting the detected charged particles into an electrical signal; storing picture information conveyed by the electrical signal; comparing a picture with another by using the stored picture information; and detecting a defect of the specimen.