Jfe Steel Corporation

Asahi Glass Company, Limited

Nkk Corporation

Fuji Jukogyo Kabushiki Kaisha

Mitsuboshi Belting Ltd.

Ishikawa Gasket Co., Ltd.

Honda Access Corporation

Yukio Kimura

Yoshihito Katayama

Nobuo Nishiura

Takashi Suzuki

Kaoru Sato

Shoji Yokoyama

Yuji Yamasaki

Masaaki Yamashita

Shunsuke Sasaki

Tadashi Inoue

Kohei Hasegawa

Yasuhiro Sodani

Keisuke Nakazono

Kazuyoshi Noda

Masayasu Ueno

Satoshi Ueoka

Masataka Yoshino

Yukihiro Matsubara

Ayako Ta

Takahira Miyagi

Hiroto Goto

Sonomi Shirasaki

Kazuya Yaoita

Shogo Tomita

Masaki Tada

Takuji Oyama

Satoru Ando

Junichi Inagaki

Takamasa Kawai

Eiji Shidoji

Yoshiharu Sugimoto

Naoki Nakata

Hisato Noro

Kazuya Takita

Masaru Miyake

Sumio Kaiho

Saiichi Murata

Nobukazu Kitagawa

Ichiro Hosoya

Yoshiya Tsutsui

Kazuo Gotou

Takashi Kumamoto

Mikako Maekawa

Shigehiro Tomotsune

Yoshiki Sakurai

Hiroyoshi Sakai

Tomohiro Ogawa

Takaomi Kato

A seal connection body includes an O-ring, a rubber ring in which an annular hole-forms part of a fluid flow path, and a connecting piece that connects the O-ring and the rubber ring by having one end joined to a part of an outer peripheral surface of the O-ring and the other end joined to a part of an outer peripheral surface of the rubber ring, and has a figure eight shape when viewed from above, and a wire diameter of the O-ring is thicker than a thickness of the connecting piece and upper and lower ends of the O-ring protrude from the connecting piece, and a thickness of the rubber ring is thicker than the thickness of the connecting piece and upper and lower ends of the rubber ring protrude from the connecting piece.

Seal connection body and gasket

A hot-rolled steel sheet not exceeding a coil opener allowable load during unwinding includes a steel sheet cut in unsteady portions at its longitudinal head and tail ends in a cutting step after a rough rolling step, having a width of 1,200 mm to 2,300 mm, a thickness of 13 mm to 25.4 mm, and at least an API standard X65-grade strength, and used in a state of being unwound after having been wound around a coil. A longitudinal end corresponding to the unwinding start includes a portion at its widthwise center recessed inwards in the longitudinal direction with respect to its two widthwise ends, the two widthwise ends projection sizes with respect to the recessed portion at the widthwise center are 20 to 295 mm, and the sum of the widths of projecting portions at the two widthwise ends is set to &#xbc; to &#xbd; of the sheet width.

Hot-rolled steel sheet and method for manufacturing same

A drilling jig for drilling a punching hole with a boundary between a basis material and a coating of a workpiece less noticeable, and a drilling method using this drilling jig. It includes a male blade, a female blade, and a hexagon bolt; the male blade and the hexagon bolt are capable of being coupled to each other; a screw hole, through which the hexagon bolt is inserted, and a blade portion are formed in the male blade; the blade portion has a planar blade surface; a shaft insertion hole, through which the hexagon bolt is inserted, and a blade portion housing hole capable of housing the blade portion are formed in the female blade, whereby the boundary between the basis material and the coating of a bumper can be positioned on the inside of the punching hole, preventing the appearance of the punching hole from being impaired.

Drilling jig and drilling method using this drilling jig

A method for manufacturing a hot-rolled steel sheet having a large thickness and a large width, a larger sheet width and a lower temperature can stably be cut at a cutting load equal to that of a conventional steel sheet having a usual sheet thickness, a usual sheet width and a usual temperature. In a rough rolling step, the steel sheet is formed so that the shortest length L (mm) from a concave portion bottom to a convex portion top of the fishtail shape satisfies Equation (1) mentioned below, and an intermediate portion between the concave portion bottom and the convex portion top, defined as a desired cutting location, is cut:(2+30)&#x2264;&#x2264;300&#x2003;&#x2003;(1),in which X is a maximum deviation (mm) of the cutting location of a crop cutting machine and 0&#x2264;X&#x2264;90.

Method for manufacturing hot-rolled steel sheet, steel sheet cutting location setting device, steel sheet cutting location setting method, and steel sheet manufacturing method

Provided is a material for a cold-rolled stainless steel sheet having a chemical composition containing, by mass %, C: 0.01% to 0.05%, Si: 0.02% to 0.75%, Mn: 0.1% to 1.0%, P: 0.04% or less, S: 0.01% or less, Cr: 16.0% to 18.0%, Al: 0.001% to 0.10%, N: 0.01% to 0.06% and the balance being Fe and inevitable impurities. The material has a metallographic structure including a martensite phase having an area ratio of 5% to 50% and the balance being a ferrite phase. A ferrite phase in portions extending from surface layers of front and back surfaces of a steel sheet has an average grain diameter of 20 &#x3bc;m or more and 50 &#x3bc;m or less, and a ferrite phase in a central portion of the sheet includes an unrecrystallized ferrite phase.

Material for cold-rolled stainless steel sheet

Provided is a cold-rolled ferritic stainless steel sheet having a chemical composition that contains, by mass %, C: 0.01% or more and 0.05% or less, Si: 0.02% or more and 0.75% or less, Mn: 0.1% or more and 1.0% or less, P: 0.04% or less, S: 0.01% or less, Al: 0.001% or more and 0.10% or less, N: 0.01% or more and 0.06% or less, Cr: 16.0% or more and 18.0% or less, and the balance being Fe and inevitable impurities. The metallographic structure includes a ferrite phase, in which the average grain diameter is 10 &#x3bc;m or less, in which the proportion of ferrite grains having a grain diameter of 10 &#x3bc;m or more and less than 40 &#x3bc;m is 60% or more, and in which the proportion of ferrite grains having a grain diameter of less than 5 &#x3bc;m is less than 20%.

Cold-rolled ferritic stainless steel sheet

Temper rolling at a total elongation percentage of 0.1% or more is performed on a steel strip using a temper rolling mill in which at least one roll stand having high roughness work rolls, the center-line averaged roughness Ra of which being in the range of 3.0 to 10.0 &#x3bc;m, is provided, or at least one roll stand having bright rolls is further provided downstream of the above roll stand, and as a result, a predetermined elongation percentage, flatness, and center-line averaged roughness can be imparted even to a steel strip having a yield strength of 340 MPa or more at a rolling load approximately equivalent to that for a mild steel without using a large facility and complicated control. In particular, a high tensile-strength cold rolled steel sheet having an Ra of 0.5 to 3.0 &#x3bc;m and superior die galling resistance is obtained.

Method for performing temper rolling on steel strip and method for manufacturing high tensile-strength cold rolled steel sheet

To provide a laminated glass for a vehicle window which can prevent the temperature increase in a vehicle. A laminated glass for a vehicle window which comprises a glass plateto be disposed on the car exterior side when the laminated glassis assembled in a vehicle, and an infrared reflection filmprovided on the side of an infrared shielding interlayerhaving infrared shielding fine particles dispersed therein, of the glass plate, wherein the reflectance to light at all wavelengths of from 900 to 1,100 nm is from 30 to 50%, the absorptivity to light at all wavelengths of from 1,100 to 1,300 nm is from 35 to 60%, and the transmittance to light at all wavelengths of from 900 to 1,500 nm is at most 30%.

Laminated glass for vehicle window

To provide a laminated glass for a vehicle window which can prevent the temperature increase in a vehicle. An infrared reflection glass plate which is a glass plate with an infrared reflection film, wherein the infrared reflection film has a stacked coating film (X) having a coating film () made of a high refractive index inorganic material having a refractive index of at least 1.90 and a coating film () made of a low refractive index inorganic material having a refractive index of at most 1.56 alternately stacked in this order from the glass plate side; the total number of the coating film () and the coating film () is at least 3; and the geometrical thickness of the coating film () is from 70 to 150 nm and the geometrical thickness of the coating film () is from 100 to 200 nm.

Infrared reflection glass plate and laminated glass for vehicle window

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 present invention provides a low reflection glass plate which has an effect of reducing reflectance against light even at an incident angle of 60&#xb0; sufficiently, in high yield. A process for producing a low reflection glass plate, characterized by the use of a treating fluid (1) comprising a resin B1, fine gold particles, an organic metal compound of at least one metal (M1) selected from the group consisting of iron, titanium and zirconium, and an organic solvent, and a treating fluid (2) comprising a film-forming compound, a resin B2 having the same thermal decomposition temperature as the resin B1 or a higher thermal decomposition temperature than the resin B1, wherein said process comprises applying the treating fluid (1) on the surface of a transparent glass substrate, followed by drying at a temperature of from 50 to 250&#xb0; C. to remove the organic solvent, further applying the treating fluid (2), followed by drying at from 50 to 250&#xb0; C. to remove the organic solvent, and then baking the treated transparent glass substrate at a temperature of from 400 to 800&#xb0; C.

Process for producing low reflection glass plate, and low reflection glass 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

An antireflection film for a window of a transport, which comprises a light absorbing film consisting essentially of a nitride and having a film thickness of from 3 to 12 nm, and an oxide film having a refractive index of from 1.45 to 1.70 and a film thickness of from 70 to 140 nm, formed in this order on a substrate, and which has adequately low reflection performance to the oblique incident light, an adequate abrasion resistance and a high transmittance of visible light, a glass provided with said film, a laminated glass and its production process.

Transportation equipment window antireflection film, glass with antireflection film, laminated glass and production method therefor

The present invention provides a substrate with antireflection films, which has excellent antireflection properties to incident light at an oblique angle from the film face side and high transmittance. Moreover, the antireflection films of the present invention provide a reflection color tone that does not tend to be bluish. This object is achieved where the substrate with antireflection films comprises a transparent substrate and at least two antireflection film layers deposited on one side of the transparent substrate as described herein.

Substrate provided with antireflection films and its production method

A method for supplying rolling oil for cold rolling is provided wherein emulsion rolling oil is supplied using both: (i) a first rolling oil supply system for sypplying the emulsion rolling oil to a roll and a steel sheet being rolled in a recirculation mode, and (ii) a second rolling oil supply system for supplying the emulsion rolling oil to only the front and back surface of the stell sheet. The emulsion rolling oil supplied by the first and second supply systems comprise an emulsifier of a same type and concentration, and the second supply system is controlled so that an average particle diameter of emulsion is larger than an average particle diameter of emulsion of the first supply system. The emulsion of the second supply system, which has not stuck onto the steel sheet being rolled, is then joined to the emulsion of the first supply system.

Method for supplying rolling oil for cold rolling

Growing community of inventors

Tokyo, Japan

Yukio Kimura