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    • 51. 发明授权
    • Method of forming a hardened skin on a surface of a molded article
    • 在模制品的表面上形成硬化皮肤的方法
    • US07837910B2
    • 2010-11-23
    • US10890906
    • 2004-07-14
    • Michel Marc
    • Michel Marc
    • B29C44/06B29C44/00H05B7/06
    • B29C44/0407B29C35/12
    • A method of forming a hardened skin on a surface of a molded article. In an exemplary method, a formable material is mixed with a blowing agent to form a foam material. The foam material is placed in a flow molding apparatus such that the top surface of the foam material is in contact with the top mold of the apparatus and the bottom surface of the foam material is in contact with the bottom mold of the apparatus. In operation, an alternating dielectric field is applied across the foam material to form the molded article. At the end of the molding cycle, the bottom surface of the foam material remains under the decomposition temperature of the blowing agent so as to form a hardened skin on the molded article.
    • 在模制品的表面上形成硬化皮肤的方法。 在示例性方法中,将可成形材料与发泡剂混合以形成泡沫材料。 将泡沫材料放置在流动模制装置中,使得泡沫材料的顶表面与装置的顶模接触,并且泡沫材料的底表面与装置的底模接触。 在操作中,跨越泡沫材料施加交替的电介质场以形成模制品。 在模制周期结束时,泡沫材料的底表面保持在发泡剂的分解温度下,从而在模塑制品上形成硬化的表皮。
    • 57. 发明授权
    • Bottom electrode for a metallurgical vessel
    • 用于冶金容器的底部电极
    • US5835523A
    • 1998-11-10
    • US628604
    • 1996-05-28
    • Lutz BeckerGerhard SchaefersEwald FeuerstackeWerner Hofmann
    • Lutz BeckerGerhard SchaefersEwald FeuerstackeWerner Hofmann
    • C21C5/52F27B3/08F27D9/00F27D99/00H05B7/02H05B7/06H05B7/12
    • H05B7/06C21C5/5229F27B3/085C21C2005/5235F27D2009/0016F27D2099/0023Y02P10/216
    • A bottom electrode for a metallurgical vessel operated with direct current, consisting of an outer part made of a first material arrangeable substantially outside a bottom of the vessel so as to face the vessel, and an inner part made of a second material and connected to the outer part so as to face an interior of the vessel. The inner part is configured to wear when in contact with molten metal in the vessel, and includes a metallic first structural part that consists substantially of a material comparable to the molten metal. The first structural part has an end adjacent the outer part with a cross-section adapted to that of the outer part. The first structural part is configured to prevent a flow of melted electrode material as well as the molten metal. The inner part further includes a high temperature resistant second structural part configured to compliment the first structural part, the first and second structural parts being coaxial to one another.
    • PCT No.PCT / DE94 / 01217 Sec。 371日期:1996年5月28日 102(e)日期1996年5月28日PCT 1994年10月10日PCT PCT。 出版物WO95 / 10929 日期1995年4月20日用于直流电工作的冶金容器的底部电极,由外部部分构成,外部部分由基本上位于容器底部的第一材料制成,以便面对容器,以及由第二个 材料并连接到外部部分以面对容器的内部。 内部构造成当与容器中的熔融金属接触时磨损,并且包括基本上由与熔融金属相当的材料组成的金属第一结构部件。 第一结构部件具有邻近外部的端部,其横截面适于外部部件的横截面。 第一结构部件被配置为防止熔融的电极材料以及熔融金属的流动。 内部还包括耐高温的第二结构部件,其被配置为补充第一结构部件,第一和第二结构部件彼此同轴。
    • 58. 发明授权
    • Concentric electrode DC arc systems and their use in processing waste
materials
    • 同心电极直流弧系统及其在处理废料中的应用
    • US5673285A
    • 1997-09-30
    • US266209
    • 1994-06-27
    • J. Kenneth WittleRichard A. HamiltonCharles S. Titus
    • J. Kenneth WittleRichard A. HamiltonCharles S. Titus
    • C03B5/00C03B5/02F27B3/08F27D99/00H05B7/06F27D3/00
    • F27D99/0006C03B5/005C03B5/025F27B3/085H05B7/06F27D2099/0023F27D2099/0058F27D2099/006
    • An electrode assembly comprising concentric tubular electrodes is provided for high temperature processing of materials. The electrode assembly is connected with a power supply that includes switching means for alternatively operating the electrode assembly in a transferred mode of operation, in a non-transferred mode of operation, or according to a controlled sequence of non-transferred and transferred modes of operation. The power supply system includes variable inductors, such as leakage-coupled reactors, for controlling the electrical power supplied to the electrodes for producing a DC arc. The electrode assembly can be incorporated into an arc furnace for processing waste material in the furnace. The electrode assembly is also suitable for use in the practice of in-situ vitrification and remediation of contaminated soil. During in-situ vitrification, the electrode assembly may also be operated in the non-transferred mode, while being withdrawn from holes in the earth, to produce vitrified columns of soil. The vitrified columns of soil can be coalesced with similar adjacent columns of soil in order to form a composite or unitary subterranean mass or barrier for contaminated material in a selected area. Multiple electrode assemblies can be employed to treat contamination located within a large area. An AC potential can be applied to adjacent electrode assemblies in order to promote coalescence of the adjacent columns of treated soil to form a composite or unitary mass.
    • 提供包括同心管状电极的电极组件用于材料的高温处理。 电极组件与包括切换装置的电源连接,该开关装置用于以非转移的操作模式或按照受控顺序的非转移和转移的操作模式在转移的操作模式中操作电极组件 。 电源系统包括可变电感器,例如泄漏耦合电抗器,用于控制提供给电极的电力以产生直流电弧。 电极组件可以并入电弧炉中,用于在炉中处理废料。 电极组件也适用于实际的现场玻璃化和污染土壤的修复。 在原位玻璃化期间,电极组件也可以在非转移模式下操作,同时从地球中的孔中取出,以产生玻璃化的土壤柱。 土壤的玻璃化柱可以与类似的相邻的土壤柱聚结,以便在选定的区域中形成用于受污染材料的复合或整体地下物质或屏障。 可以使用多个电极组件来处理位于大面积内的污染物。 可以将AC电势施加到相邻的电极组件,以便促进经处理的土壤的相邻列的聚结,以形成复合或单一质量。
    • 59. 发明授权
    • Cooled bottom electrode for a direct current electric furnace
    • 用于直流电炉的冷却底部电极
    • US5651024A
    • 1997-07-22
    • US431565
    • 1995-04-27
    • Gianni GensiniMilorad Pavlicevic
    • Gianni GensiniMilorad Pavlicevic
    • H05B7/06H05B7/00
    • H05B7/06
    • A cooled bottom electrode for a direct-current electric furnace includes one or more steel bars incorporated in a refractory hearth of the furnace and having at least its upper end in contact with the bath of molten metal within the furnace, at least a first upper liquid part and at least a second lower solid part being defined along the steel bar and being divided by a separation zone, the lower solid part being associated with cooling elements. The cooling elements are copper cooling means elements introduced in cooperation with the solid part of the steel bar and being inserted at least therewithin and extending at least partly within the bar and towards the inside of the furnace. The copper cooling elements cooperate with a cooling-water system positioned below the bar and in cooperation therewith.
    • 用于直流电炉的冷却底部电极包括一个或多个加入到炉的耐火炉床中的钢棒,并且至少其上端与炉内的熔融金属浴接触,至少第一上部液体 部分,并且至少第二下部实心部分沿钢筋限定并被分离区分隔,下部实心部分与冷却元件相关联。 冷却元件是与钢筋的实心部分配合引入的铜冷却装置元件,并至少插入其中,并至少部分地延伸到杆内并朝向炉内。 铜冷却元件与位于杆下方并与之配合的冷却水系统配合。