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    • 2. 发明授权
    • High-hardness palladium alloy for use in goldsmith and jeweller's art and manufacturing process thereof
    • 用于金匠和珠宝商艺术及其制造工艺的高硬度钯合金
    • US07749433B2
    • 2010-07-06
    • US11468857
    • 2006-08-31
    • Paolo Battaini
    • Paolo Battaini
    • C22C5/04C22C5/00C21D1/00B22D27/02
    • B22D21/025B22D25/026C22C5/04
    • The invention relates to a high-hardness palladium alloy for manufacturing semi-finished products to be used in goldsmith's art or jewels to be obtained by the lost wax casting method, which comprises, in the following concentrations, expressed in thousandths by weight (‰): palladium from 948 to 990‰; copper from 0.0 to 50‰; indium from 0.0 to 50‰; gallium from 1 to 48‰; aluminium from 0.8 to 49.5‰; ruthenium from 0.0 to 50‰; rhenium from 0.0 to 50‰; silicon from 0.1 to 1.2‰; platinum from 0.0 to 40‰; nickel from 0.0 to 50‰; iridium from 0.0 to 40‰. In the manufacturing process of the above alloy, the component elements of said alloy are placed in a crucible, respectively made of zirconia, boron nitride or other ceramic material, and are melted using the induction method and using a protective atmosphere, respectively of argon, nitrogen or other inert gas.
    • 本发明涉及一种用于制造半成品的高硬度钯合金,用于通过失蜡制造方法获得的金匠艺术品或珠宝,其以下列浓度表示为千分之一(‰) 钯:948〜990‰; 铜从0.0到50‰; 铟0.0〜50‰; 镓从1〜48‰; 铝从0.8到49.5‰; 钌0.0〜50‰; 铼0.0〜50‰; 硅0.1〜1.2‰; 铂从0.0到40‰; 镍0.0〜50‰; 铱由0.0〜40‰。 在上述合金的制造方法中,将所述合金的成分元素分别置于由氧化锆,氮化硼等陶瓷材料制成的坩埚中,使用感应法熔融,分别使用氩气保护气氛, 氮气或其他惰性气体。
    • 3. 发明授权
    • Two piece ring with finger grip groove and method of manufacture
    • 带手指槽的两片环和制造方法
    • US06701618B2
    • 2004-03-09
    • US10140570
    • 2002-05-07
    • Baruch Gefen
    • Baruch Gefen
    • A44C2700
    • A44C9/00A44C27/00B22D25/026Y10T29/49593
    • A method of making a composite ring is provided, including the steps of manufacturing an outer ring portion having an inwardly opening outer ring portion concave recess; manufacturing an inner ring portion having an outwardly opening circumferential inner ring portion concave recess; fitting the inner ring portion inside the outer ring portion; and forcibly radially expanding the inner ring portion to fit into the outer ring portion concave recess. A composite ring is provided, including an outer ring portion having an inwardly opening outer ring concave recess; and an inner ring portion having an outwardly opening circumferential inner ring portion concave recess fitted inside the outer ring portion and forcibly radially expanded to fit into the outer ring portion concave recess. The inner ring portion inward surface preferably includes a circumferential skin gripping groove.
    • 提供一种制造复合环的方法,包括制造具有向内开口的外环部凹陷凹部的外环部分的步骤; 制造具有向外开口的周向内环部凹凹部的内圈部; 将内环部分装配在外环部分内; 并且强制地径向扩张内环部分以配合到外环部分凹入凹部中。 提供复合环,包括具有向内开口的外环凹陷部的外环部分; 以及内圈部,其具有装配在外圈部内的向外开口的周向内环部凹部凹部,并且强制地径向扩张以嵌合到外圈部凹部凹部中。 内圈部内侧面优选包括周向皮肤抓持槽。
    • 4. 发明授权
    • One shot multi-color metal casting method
    • 一次多色金属铸造方法
    • US5791395A
    • 1998-08-11
    • US834918
    • 1997-04-07
    • Gevork SarksiyanAshot Sarkissian
    • Gevork SarksiyanAshot Sarkissian
    • B22C7/02B22C9/04B22C9/08B22C9/22B22D25/02
    • B22C9/08B22C7/02B22C9/04B22C9/22B22D25/026
    • Method of multi-color jewelry items production is based on a simultaneous casting of two metal alloys of different colors (yellow-red, white-yellow, etc.), as well as two different metals, with a purpose of obtaining jewelry art-works of high-quality and unique artistic impression. To serve that purpose, the following apparatus has been constructed: rubber base with two inlets, two-chamber ceramic crucible with two identical outlets, and a model of the jewelry item with two sprues connected to two separate tree stems, with each sprue connected to a separate stem thus ensuring flow of different colors or different metals. Simultaneous casting of two different metal alloys of different colors in two separate chambers of crucible is achieved by using a specially constructed two-head torch. Usage of this invention in the process of jewelry work casting ensures a unique natural effect of smooth transition from one color to another in a jewelry piece (ring, brooch, pendant, charm, etc.), reflecting high aesthetical criteria of jewelry accessories manufacturing at the world market.
    • 多色首饰项目的制作方法是同时铸造两种不同颜色的金属合金(黄色 - 红色,白色 - 黄色等)以及两种不同的金属,目的是获得珠宝艺术作品 的高品质和独特的艺术印象。 为了达到这个目的,已经建造了以下装置:具有两个入口的橡胶底座,具有两个相同出口的两室陶瓷坩埚,以及具有连接到两个独立的树根的两个浇口的珠宝项目的模型,每个浇口连接到 一个单独的杆,从而确保不同颜色或不同金属的流动。 通过使用特别构造的双头手电筒,在两个独立的坩埚室中同时铸造不同颜色的两种不同的金属合金。 本发明在珠宝作品铸造过程中的使用确保了首饰(环,胸针,吊坠,魅力等)从一种颜色平滑过渡到另一种颜色的独特自然效果,反映了珠宝饰品制造的高度审美标准 世界市场。
    • 5. 发明授权
    • Method and apparatus for investment casting
    • 熔模铸造的方法和装置
    • US5318093A
    • 1994-06-07
    • US869949
    • 1992-04-17
    • Charles H. MacDonald
    • Charles H. MacDonald
    • B22C9/04B22C21/00B22D25/02B22C7/02
    • B22C21/00B22C9/04B22D25/026
    • In an improved method and apparatus for investment casting, a pattern (31) is mounted on a sprue base (19) of an spider gasket (12) that is secured to one end of a standard investment flask (11). A solid end cap (13) is secured to the other end of the flask. The end cap is provided with a matrix of holes (15) extending therethrough parallel to the axis of the flask, and a plurality of small diameter rods (16) are slidable secured in the holes in the end cap. The rods are extended into the interior of the flask about the pattern without contacting the pattern. Investment plaster (10) is poured into the flask through the spider assembly to immerse the pattern and rods, and the plaster is allowed to set. The rods are then withdrawn, forming a large plurality of channels (32) extending into or through the investment plaster, reducing the amount of investment plaster required in the flask. The channels greatly accelerate the drying time of the investment, and hasten the subsequent burnout process in a kiln. The channels permit the escape of air from the cavity during casting, so that casting porosity is eliminated. Moreover, the channels formed by the rods are ideally placed for the strategic application of vacuum to the mold cavity during casting.
    • 在用于熔模铸造的改进的方法和装置中,将图案(31)安装在固定到标准投料瓶(11)的一端的垫圈(12)的浇口基部(19)上。 固体端盖(13)固定到烧瓶的另一端。 端盖设置有平行于烧瓶的轴线延伸穿过的孔(15)矩阵,并且多个小直径杆(16)可滑动地固定在端盖中的孔中。 棒沿着图案延伸到烧瓶的内部,而不接触图案。 将投资石膏(10)通过蜘蛛组件倒入烧瓶中以浸渍图案和棒,并且允许石膏凝固。 然后取出杆,形成延伸入或通过投资石膏的大量多个通道(32),减少了烧瓶中所需的投石膏量。 这些渠道大大加快了投资的干燥时间,加快了窑炉随后的焚烧过程。 这些通道允许在铸造过程中空气从空腔中逸出,从而消除铸造孔隙率。 此外,由棒形成的通道理想地放置用于在铸造期间对模腔进行真空的策略性应用。
    • 8. 发明授权
    • Casting tree for tandem mold preparation and method of use thereof
    • 用于串联模具制备的铸造树及其使用方法
    • US4246954A
    • 1981-01-27
    • US8533
    • 1979-02-01
    • Abraham M. CohenHenry L. James
    • Abraham M. CohenHenry L. James
    • B22C9/04B22D25/02B22D18/06B22D25/00
    • B22C9/04B22D25/02B22D25/026
    • A casting tree for preparing a tandem mold suitable for sequential casting, within the same casting flask, of both white and yellow gold portions of jewelry items has a base with a main stem extending upwardly from the base. In addition, a secondary stem is also provided and extends from the base to an upper portion of the main stem. Both stems are formed of a fusible material generally termed as "casting wax." Disposed through the central portion of the main stem, between the base and the upper portion to which the secondary stem extends, is a piece of non-fusible material, preferable a ceramic disc.When the subject invention tree is used in an investment casting process, the casting mold formed thereby comprises a tandem mold divided by a non-fusible separator, each portion of the mold having a separate passage communicating therewith whereby two different types of material, for example, a white gold and yellow gold, can be separately cast using one flask.
    • 用于制备串联模具的浇铸树,其适用于在相同的铸造烧瓶内的白金和黄金部分的首饰项目中的顺序铸造,其具有从基部向上延伸的主茎的基部。 此外,还提供辅助杆,并且从主杆延伸到主杆的上部。 两根茎都是通常被称为“铸造蜡”的可熔材料形成的。 通过主杆的中心部分,在基部和辅助杆延伸的上部之间设置一片非易熔材料,优选陶瓷盘。 当本发明树用于熔模铸造工艺时,由此形成的铸造模具包括由不可熔分离器分开的串联模具,模具的每个部分具有与其连通的单独通道,由此两种不同类型的材料,例如 ,白金和黄金,可以使用一个烧瓶分别浇铸。