Kobe Steel, Ltd. , operating worldwide under the brand Kobelco, is a major Japanese steel manufacturer headquartered in Chuo-ku, Kobe. Kobe Steel also has a stake in Osaka Titanium Technologies.It was formed on September 1, 1905. Its location in a major city port was useful for importing and exporting iron ore and coal. Kobe Steel is the owner of the rugby team Kobe Steel Kobelco Steelers.The company is listed on the Tokyo and Nagoya Stock Exchange, on the Osaka Securities Exchange and is a constituent of the Nikkei 225 stock index. As of March 31, 2014, the company has 208 subsidiary and 62 affiliated companies across Japan, Asia, Europe, the Middle East and the US. Wikipedia.
Kobe Steel | Date: 2015-04-03
An inner panel of a vehicle hood has a 0.2% proof stress of 70 MPa or more and 120 MPa or less after assembling of the inner panel and completion of bake coating. An outer panel has a 0.2% proof stress of 150 MPa or more. The outer panel is made of JIS 5000 or 6000 series aluminum alloy plate material, and the inner panel is made of a JIS 3000 series aluminum alloy plate material. The inner panel has hat-shaped main beads arranged in a center portion. An elongation amount (LL0)/L0 determined by cross-section line length L of a concave or convex portion of the main bead projected from the surface of the center portion and a line length L0 of a line segment linearly connecting ends of the portion is 0.4 to 0.6 to a breaking elongation in uniaxial tensile deformation.
Kobe Steel | Date: 2015-01-08
A boom foot pin is attached to a pair of vertical plates so as to be able to be pulled out along an axial direction of the boom foot pin. A housing box has a box main body with a housing space inside and an opening/closing lid configured to allow an opening region of the box main body to be opened and closed. The box main body is disposed on the right of the right vertical plate in a state where the boom foot pin is placed opposite the housing space with reference to the opening region in a side view in which the upper slewing body is viewed along an axial direction and the box main body is shaped to open the boom foot pin in the axial direction. The opening/closing lid is rotated to a position where the opening region is closed to lie at a position where the opening/closing lid overlaps the boom foot pin in the side view, and is rotated to a position where the opening region is opened to lie at a position where the boom foot pin is opened in the axial direction.
Kobe Steel | Date: 2015-05-26
Provided is a thin film transistor having an oxide semiconductor layer that has high mobility, excellent stress resistance, and good wet etching property. The thin film transistor comprises at least, a gate electrode, a gate insulating film, an oxide semiconductor layer, source-drain electrode and a passivation film, in this order on a substrate. The oxide semiconductor layer is a laminate comprising a first oxide semiconductor layer (IGZTO) and a second oxide semiconductor layer (IZTO). The second oxide semiconductor layer is formed on the gate insulating film, and the first oxide semiconductor layer is formed between the second oxide semiconductor layer and the passivation film. The contents of respective metal elements relative to the total amount of all the metal elements other than oxygen in the first oxide semiconductor layer are as follows; Ga: 5% or more; In: 25% or less (excluding 0%); Zn: 35 to 65%; and Sn: 8 to 30%.
Kobe Steel | Date: 2015-03-23
Provided is a construction machine that enables to reduce the burden of the operator when the operator replenishes a liquid reducing agent. The construction machine includes an upper frame slewably provided on a lower traveling body, a reducing agent tank provided on the upper frame, and configured to accommodate therein a liquid reducing agent for reducing nitrogen oxide contained in exhaust gas, and a passage surface provided on the upper frame for allowing the operator to move to an engine. The reducing agent tank has an upper placement portion disposed on the right side of the passage surface at a position higher than the passage surface. The upper placement portion of the reducing agent tank has a replenishing port for allowing the operator to replenish the liquid reducing agent. The replenishing port is provided so as to face the passage surface.
Kobe Steel | Date: 2015-01-27
A floor member includes a floor plate extending in a length direction along a front-rear direction of a cab. The floor plate includes front-left corner portion, front-right corner portion, rear-left corner portion, and rear-right corner portion; a first vertical beam member; a second vertical beam member; and a plurality of support members which support the first vertical beam member, the second vertical beam member, and the floor plate in respective regions including a region where the front-left corner portion and a first front end overlap each other, a region where the rear-left corner portion and a first rear end overlap each other, a region where the front-right corner portion and a second front end overlap each other, and a region where the rear-right corner portion and a second rear end overlap each other.