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1. 发明专利

JPS5671546A FORGING METHOD OF TUBE PLATE 失效
公开(公告)号：JPS5671546A
公开(公告)日：1981-06-15
申请号：JP14910779
申请日：1979-11-16
申请人： KOBE STEEL LTD
发明人： KOMADA SUSUMU , NISHIKAWA TAKATOSHI , WAKABAYASHI MASAJI , NAKAO KATSUHIDE , INOUE TOSHIMICHI
IPC分类号： B21J5/00 , B21J5/06
摘要： PURPOSE:To form a projected hub easily on the periphery of both sides of a disk by installing a rotating table to a tongue of a manipulator and placing it vertically between upper and lower anvils and pressing a blank by holding and rotating it with the rotating table. CONSTITUTION:Fittings 2 for a rotating table are fixed to a pair of manipulator tongues 1 with pins 3, and the rotating table 9 is installed to a front board 4 of the fittings 2 for the rotation table to allow rotation. The rotation table 9 has a diameter that corresponds to the diameter of the central plate of a forged product. A disk-shaped blank (m) is held by the rotation plate 9 so that it becomes perpendicular to upper and lower anvils. The disk-shaped blank (m) is pressed using upper and lower anvils. At the same time, the manipulator is moved forward and backward, and the disk-shaped blank (m) is brought into contact with the lower anvil by its movement in one direction, and intermittent rotation of the blank in a fixed direction is caused by friction. The periphery of the blank (m) protruded from the rotating table 9 forms a hub around the rotating table 9 successively, and a forged product of specified shape and dimension is formed.

2. 发明专利

JPH0344440A CLAD PLATE FOR ELECTROMAGNETIC COOKING VESSEL 失效
公开(公告)号：JPH0344440A
公开(公告)日：1991-02-26
申请号：JP18133589
申请日：1989-07-12
申请人： KOBE STEEL LTD , KOBERUKO KAKEN KK
发明人： OYA SHOJIRO , NAKAO KATSUHIDE
IPC分类号： A47J36/02 , B32B15/01 , C22C21/00 , C22C21/06
摘要： PURPOSE:To improve the joinability, workability, corrosion resistance, electromagnetic heating properties, etc., of the clad plate by laminating Al-Mn-Mg having specified compsn. as an internal layer material, pure Al as an intermediate material and a ferritic stainless steel as an outer layer material. CONSTITUTION:An Al alloy constituted of, by weight, 0.2 to 2.0% Mn, 0.2 to 2.0% Mg and the balance Al with inevitable impurities is regulated as an internal layer material. Pure Al substantially constituted of Al with inevitable impieties is regulated as an intermediate layer material. An ferritic stainless steel is regulated as an outer layer material. Respective layer materials are successively laminated into a clad plate for an electromagnetic cooking vessel. In this way, good joining strength can be obtd. among the respective layers, and peeling does not occur by drawing, etc. Furthermore, fluororesin coating can be executed in a good joining condition.

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