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    • 51. 发明授权
    • MAG arc welding apparatus
    • MAG电弧焊机
    • US5670071A
    • 1997-09-23
    • US488125
    • 1995-06-07
    • Tomoyuki UeyamaShoji HaradaToshiaki NakamataMasuo ShibataToshimitsu DoiShunichi OgawaIchiro MatsumotoHiroshi Nakai
    • Tomoyuki UeyamaShoji HaradaToshiaki NakamataMasuo ShibataToshimitsu DoiShunichi OgawaIchiro MatsumotoHiroshi Nakai
    • B23K9/09
    • B23K9/091
    • An MAG arc welding method and apparatus is capable of achieving a welding bead in a regular ripple pattern or in a suitable sectional form. The welding power source generates the first welding current I1 and a second welding current I2 larger than the first welding current. The wire melting speed is changed by switching between the first and the second welding currents. The welding method or apparatus according to the invention generates the first arc length more than 2 mm and the second arc length more than the first arc length and switches between both arc length at a switching frequency F of 0.5 to 25 Hz. The ratio of the second to the first welding currents is made to be in 1.03 to 1.20. In addition to a welding method to change the arc length by switching the first and the second welding currents at a constant wire feeding rate, the present welding method makes it possible to carry out the lap welding or butt welding even when there is a large gap. The large gap requires a large amount of molten metal which is prepared by increasing the wire melting speed caused by an increase in the wire feeding rate by 5 to 20%. The resultant reinforcement has a beautiful appearance.
    • MAG电弧焊接方法和装置能够以规则的波纹图案或合适的截面形式实现焊珠。 焊接电源产生比第一焊接电流大的第一焊接电流I1和第二焊接电流I2。 通过在第一焊接电流和第二焊接电流之间切换来改变焊丝熔化速度。 根据本发明的焊接方法或装置产生大于2mm的第一弧长和大于第一弧长的第二弧长,并且在切换频率F为0.5至25Hz的两弧长之间切换。 第二焊接电流与第一焊接电流的比率为1.03〜1.20。 除了通过以恒定的丝线进给速度切换第一焊接电流和第二焊接电流来改变电弧长度的焊接方法之外,本焊接方法即使当存在较大间隙时也可以进行搭接焊接或对接焊接 。 大的间隙需要大量的熔融金属,这是通过增加引线进给速度所引起的焊丝熔化速度提高5至20%来制备的。 所得的加强件具有美观的外观。
    • 52. 发明授权
    • Method of MAG arc welding
    • MAG电弧焊接方法
    • US5667709A
    • 1997-09-16
    • US486891
    • 1995-06-07
    • Tomoyuki UeyamaShoji HaradaToshiaki NakamataMasuo ShibataToshimitsu DoiShunichi OgawaIchiro MatsumotoHiroshi Nakai
    • Tomoyuki UeyamaShoji HaradaToshiaki NakamataMasuo ShibataToshimitsu DoiShunichi OgawaIchiro MatsumotoHiroshi Nakai
    • B23K9/09
    • B23K9/091
    • An MAG arc welding method and apparatus is capable of achieving a welding bead in a regular ripple pattern or in a suitable sectional form. The welding power source generates the first welding current I1 and a second welding current I2 larger than the first welding current. The wire melting speed is changed by switching between the first and the second welding currents. The welding method or apparatus according to the invention generates the first arc length more than 2 mm and the second arc length more than the first arc length and switches between both arc length at a switching frequency F of 0.5 to 25 Hz. The ratio of the second to the first welding currents is made to be in 1.03 to 1.20. In addition to a welding method to change the arc length by switching the first and the second welding currents at a constant wire feeding rate, the present welding method makes it possible to carry out the lap welding or butt welding even when there is a large gap. The large gap requires a large amount of molten metal which is prepared by increasing the wire melting speed caused by an increase in the wire feeding rate by 5 to 20%. The resultant reinforcement has a beautiful appearance.
    • MAG电弧焊接方法和装置能够以规则的波纹图案或合适的截面形式实现焊珠。 焊接电源产生比第一焊接电流大的第一焊接电流I1和第二焊接电流I2。 通过在第一焊接电流和第二焊接电流之间切换来改变焊丝熔化速度。 根据本发明的焊接方法或装置产生大于2mm的第一弧长和大于第一弧长的第二弧长,并且在切换频率F为0.5至25Hz的两弧长之间切换。 第二焊接电流与第一焊接电流的比率为1.03〜1.20。 除了通过以恒定的丝线进给速度切换第一焊接电流和第二焊接电流来改变电弧长度的焊接方法之外,本焊接方法即使当存在较大间隙时也可以进行搭接焊接或对接焊接 。 大的间隙需要大量的熔融金属,这是通过增加引线进给速度所引起的焊丝熔化速度提高5至20%来制备的。 所得的加强件具有美观的外观。
    • 59. 发明授权
    • Image forming apparatus
    • 图像形成装置
    • US08989645B2
    • 2015-03-24
    • US13798587
    • 2013-03-13
    • Kunio HasegawaHiroshi NakaiTakuya SekineKenji Komito
    • Kunio HasegawaHiroshi NakaiTakuya SekineKenji Komito
    • G03G21/00
    • G03G21/0094
    • An image forming apparatus is disclosed, including an image bearing member and a protective layer forming unit. In an embodiment, the protective layer forming unit includes a protective agent supplying member which rotatably contacts a surface of the image bearing member and an image bearing member protective agent. The image bearing member protective agent includes at least a metal salt of a fatty acid and an inorganic lubricant. The protective agent supplying member includes a core material and a foam layer formed on an outer periphery of the core material and including a plurality of cells. Finally, a drive torque of the image bearing member and a drive torque of the protective agent supplying member satisfy a formula.
    • 公开了一种图像形成装置,包括图像承载部件和保护层形成单元。 在一个实施例中,保护层形成单元包括可转动地接触图像承载部件的表面的保护剂供给部件和图像承载部件保护剂。 图像承载部件保护剂至少包括脂肪酸的金属盐和无机润滑剂。 保护剂供给构件包括芯材和形成在芯材的外周上的泡沫层,并且包括多个单元。 最后,图像承载部件的驱动扭矩和保护剂供给部件的驱动扭矩满足公式。