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    • 7. 发明授权
    • Lamination-wound chip coil and method for manufacturing the same
    • 复卷片式线圈及其制造方法
    • US4574262A
    • 1986-03-04
    • US328636
    • 1981-12-08
    • Yoshikazu HamazawaTatsuro HiraiTunenobu HorikoshiTomio Ishida
    • Yoshikazu HamazawaTatsuro HiraiTunenobu HorikoshiTomio Ishida
    • H01F5/00H01F17/00H01F41/04H01F15/10H01F17/04
    • H01F5/003H01F17/0006H01F41/046
    • A lamination of a resilient and elongate magnetic sheet and a conductor strip is rolled up around a magnetic winding core to form a roll, and then the roll is sintered to produce an intermediate product. The conductor strip has both ends at both sides of the magnetic sheet so that both ends of the conductor strip are respectively exposed at both sides of the roll. Terminal electrodes are respectively attached to the both sides of the intermediate product to complete the chip coil. Another magnetic sheet may be provided to make the thickness of the lamination substantially uniform throughout the entire area. A second conductor strip may be provided in the lamination so that a coil having a tap can be actualized. The shrinkages of the winding core and the magnetic sheet are selected so that a desirable sintered product will result without suffering from delamination or cracks. The electrical characteristics of the coil may be changed by varying the amounts of components and changing additives in each of the materials respectively used for the winding core and the magnetic sheet.
    • 将弹性和细长的磁性片和导体条的层压卷绕在磁性绕组芯上以形成辊,然后将辊烧结以产生中间产物。 导体带在磁性片的两侧具有两端,使得导体条的两端分别在辊的两侧露出。 端子电极分别安装在中间产品的两侧,以完成芯片线圈。 可以提供另一种磁性片,以使得层压体的厚度在整个区域内基本均匀。 可以在层叠中设置第二导体条,使得可以实现具有抽头的线圈。 卷绕芯和磁性片的收缩被选择,使得期望的烧结产品将不会产生分层或裂纹。 线圈的电气特性可以通过改变分别用于卷芯和磁片的每种材料中的组分和改变添加剂的量来改变。
    • 10. 发明授权
    • Apparatus for simultaneously producing inner and outer rings in hot
former
    • 用于在热成型机中同时生产内圈和外圈的装置
    • US3968674A
    • 1976-07-13
    • US602007
    • 1975-08-05
    • Tomio Ishida
    • Tomio Ishida
    • B21D28/30B21J5/06B21K1/04B23P15/00B21D28/06B21D45/04
    • F16C33/64B21K1/04B23P15/003Y10T29/49689Y10T83/8832
    • An elongated continuous steel round bar is cut to a specified length, and the cut piece is pressed by forging machine to form a workpiece including an annular portion and a smaller annular portion concentrically integrally projecting therefrom. An outer ring and an inner ring are simultaneously produced from the workpiece by an apparatus comprising an inner ring die and an outer ring die mounted on a stationary base, and an inner ring punch and outer ring punch opposing the dies and mounted on a movable ram. The inner and outer ring punches simultaneously punch out the inner and outer rings from the workpiece fitted to the inner and outer dies. In relation to this operation, a cam operates to depress a rolling member disposed in the rear of hollow portion of the inner ring die, whereby the foremost of like finished inner rings each pushed into the hollow portion of the inner ring die at every stroke of the ram is allowed to drop through the die assembly and is thereby automatically withdrawn.
    • 细长的连续钢圆棒被切割成规定的长度,并且通过锻造机将切割件压制以形成包括环形部分和从其同心地整体突出的较小环形部分的工件。 通过包括内圈模具和安装在固定基座上的外圈模具的装置从工件同时制造外圈和内圈,以及与模具相对的内环冲头和外圈冲头,并安装在可移动的冲头上 。 内圈和外圈冲头同时从安装在内模和外模上的工件冲出内圈和外圈。 相对于该操作,凸轮操作以压下设置在内圈模具的中空部分的后部的滚动部件,由此在内圈模具的中空部分中的最前面的每个推进内圈模具的每个行程 允许冲头通过模具组件落下,从而自动拉出。