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    Surgical saw for cutting off cheek bones
    4.
    发明授权
    Surgical saw for cutting off cheek bones 失效
    手术锯切断脸颊骨

    公开(公告)号：US07322985B2

    公开(公告)日：2008-01-29

    申请号：US10399270

    申请日：2001-09-06

    申请人： Jae Hwa Lee

    发明人： Jae Hwa Lee

    IPC分类号： A61B17/56

    CPC分类号： A61B17/144

    摘要： The surgical saw according to the present invention comprises an arm fixed by mounting the rear end portion thereof in a jaw of a handle; and a double saw blade part connected with the front end portion of the arm and having two saw blades arranged side by side in a certain distance. In case that the surgical saw is used in surgeries for cutting off cheek bones, the surgical saw can precisely cut off portions of the cheek bones in a width set in advance by precisely cutting off two positions of the cheek bones in a precise cutting-off length at the same time so that the portions of cheek bones can be conveniently cut off, the periods of time for surgeries can be reduced, and an occurrence frequency of surgery aftereffects due to different cutting-off widths for the left and right cheek bones can be reduced.

    摘要翻译： 根据本发明的手术锯包括通过将其后端部安装在把手的钳口中而固定的臂; 以及与所述臂的前端部连接并具有一定距离并列配置的两个锯片的双锯片部。 如果外科手术锯被用于手术切除脸颊骨头，外科手术锯可以通过精确地切断脸颊骨头的两个位置来精确地切除预先设定的宽度的部分颊骨。 同时使得脸颊骨的部分可以方便地切断，可以减少手术的时间段，并且由于左右颊骨的切断宽度的不同，手术的发生频率后遗症可以 减少

    High-Carbon Martensitic Stainless Steel and Production Method Therefor
    6.
    发明申请
    High-Carbon Martensitic Stainless Steel and Production Method Therefor 审中-公开
    高碳马氏体不锈钢及其生产方法

    公开(公告)号：US20120321501A1

    公开(公告)日：2012-12-20

    申请号：US13517278

    申请日：2010-12-20

    申请人： Dong-Chul Chae ,  Bo-Sung Seo ,  Seung-Bae Ahn ,  Seong-In Jeong ,  Jae-Hwa Lee ,  Gyu-Jin Jo

    发明人： Dong-Chul Chae ,  Bo-Sung Seo ,  Seung-Bae Ahn ,  Seong-In Jeong ,  Jae-Hwa Lee ,  Gyu-Jin Jo

    IPC分类号： C22C38/18 ,  C22C38/40 ,  C21D8/02 ,  B22D11/06 ,  B22D11/12

    CPC分类号： B22D11/0697 ,  B22D11/002 ,  B22D11/0622 ,  C22C38/18 ,  C22C38/40

    摘要： The present invention relates to a production method for high-carbon martensitic stainless steel as used in razorblades, knives and the like, which contains, as percentages by weight, 0.40 to 0.80% carbon and 11 to 16% chromium as main components. Provided is a production method for high-carbon martensitic stainless steel in a strip-casting device, wherein a stainless-steel thin sheet is cast by supplying a stainless molten steel containing, as percentages by weight, 0.40 to 0.80% carbon and from 11 to 16% chromium to a molten steel pool from a tundish via a nozzle, and the cast stainless-steel thin sheet is made into a hot-rolled annealed strip using in-line rollers to a rolling reduction of 5 to 40% immediately just after the casting so that the size of primary carbides within the microstructure of the hot-rolled annealed strip is 10 μm or less, and also provided is martensitic stainless steel produced by means of the production method. By reducing the size of the primary carbides formed in the cast structure and the hot-rolled sheet to 10 μm or less, the present invention produces high-carbon martensitic stainless steel having outstanding blade-end quality for use in cutting implements.

    摘要翻译： 本发明涉及用于剃刀刀，刀等的高碳马氏体不锈钢的制造方法，其以重量百分比含有0.40〜0.80％的碳和11〜16％的铬作为主要成分。 本发明提供一种带状铸造装置中的高碳马氏体系不锈钢的制造方法，其特征在于，通过将不饱和钢水以0.40〜0.80％的碳和11重量％的比例添加， 16％的铬通过喷嘴从中间包中到钢水池中，铸造的不锈钢薄片使用直列辊制成热轧退火条，在紧随其后立即压下5〜40％ 铸造，使得热轧退火带的微结构内的一次碳化物的尺寸为10μm以下，并且也是通过制造方法制造的马氏体系不锈钢。 通过将铸造结构体和热轧板材中形成的一次碳化物的尺寸减小到10μm以下，本发明生产用于切割工具的具有优异的刀片质量的高碳马氏体不锈钢。