[특허]Methods of recycling oversray powder during spray forming

[미국특허] Methods of recycling oversray powder during spray forming 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C22B-004/00
출원번호	US-0537577 (1995-10-02)
발명자 / 주소	Carter Jr. William Thomas (Galway NY) Benz Mark Gilbert (Burnt Hills NY) Zabala Robert John (Schenectady NY) Dupree Paul Leonard (Scotia NY) Knudsen Bruce Alan (Amsterdam NY)
출원인 / 주소	General Electric Company (Schenectady NY 02)
인용정보	피인용 횟수 : 29 인용 특허 : 17

초록 ▼

A method for the recycling of overspray powder during spray forming is provided. The method involves providing a refining vessel to contain an electroslag refining layer floating on a layer of molten refined metal. An ingot of unrefined metal is lowered into the vessel into contact with the molten electroslag layer. A current is passed through the slag layer to the ingot to cause surface melting at the interface between the ingot and the electroslag layer. As the ingot is surface melted at its point of contact with the slag, droplets of the unrefined metal are formed and these droplets pass down through the slag and are collected in a body of molten refined metal beneath the slag. The refined metal is held within a cold hearth. At the bottom of the cold hearth, a cold finger orifice permits the withdrawal of refined metal from the cold hearth apparatus. The refined metal passes from the cold finger orifice as a stream. The stream is atomized for spray forming into a preform article on a spray collection station having a solid receiving surface for receiving the atomized metal thereon to form the preform article. The powder produced during the atomization which was not deposited on the solid receiving surface of the spray collection station is recycled onto the top of the molten slag in the electroslag refining station.

대표청구항 ▼

A method of refining a metal ingot comprising: electroslag refining said ingot in a molten slag to produce a stream of refined liquid metal; spray forming said metal stream to form a solid billet; collecting overspray powder not deposited on said billet; and directly recycling said collected overspr

이 특허에 인용된 특허 (17) 인용/피인용 타임라인 분석

Miller Steven A. (Amsterdam NY), Apparatus for atomization of unstable melt streams.
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Miller Steven A. (Amsterdam NY), Apparatus for melt atomization with a concave melt nozzle for gas deflection.
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Okayama Akira (Hitachi JA) Ando Hisashi (Hitachi JA) Soeno Ko (Hitachi JA) Takeuchi Hisasuke (Omiya JA) Kamada Atsuya (Yokohama JA), Apparatus for production of metal powder according water atomizing method.
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Coombs Jeffrey S. (West Glamorgan GB7), Atomization of metals.
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Coombs Jeffrey S. (West Glamorgan GBX) Dunstan Gordon R. (Swansea GBX), Atomizing apparatus and process.
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Esposito David (Reading PA) Reiter Raymond A. (Kehnorst PA) Del Corso Gregory J. (West Lawn PA), Atomizing nozzle assembly for making metal powder and method of operating the same.
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Ayers Jack D. (3216 Dominy Ct. Oakton VA 22124), Continuous casting of tubular shapes by incremental centrifugal material deposition.
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Brooks Reginald G. (Swansea GB7) Leathman Alan (Swansea GB7) Coombs Jeffrey (Neath GB7), Deposition method including recycled solid particles.
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Brooks Reginald G. (Swansea GB7) Leatham Alan (Swansea GB7) Coombs Jeffrey (Swansea GB7), Deposition of metallic products using relatively cold solid particles.
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Duerig Thomas (Fremont CA) Escudier Marcel (Mnthal CHX) Keller Jakob (Killwangen CHX), Device for atomizing liquid metals for the purpose of producing a finely granular powder.
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Benz Mark G. (Burnt Hills NY) Sawyer Thomas F. (Charlton NY), Direct processing of electroslag refined metal.
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Benz Mark G. (Burnt Hills NY) Sawyer Thomas F. (Charlton NY), Direct processing of electroslag refined metal.
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Gigliotti ; Jr. Michael F. X. (Scotia NY) Miller Steven A. (Amsterdam NY) White Raymond A. (Schenectady NY), Integral induction heating of close coupled nozzle.
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Sawyer Thomas F. (Charlton NY), Melt system for spray-forming.
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Sawyer Thomas F. (Stillwater NY) Benz Mark G. (Burnt Hills NY) Carter ; Jr. William T. (Ballston Lake NY) Zabala Robert J. (Schenectady NY), Method and apparatus for flow control in electroslag refining process.
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Ayers Jack D. (Oakton VA) Anderson Iver E. (Alexandria VA), Method for generating fine sprays of molten metal for spray coating and powder making.
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Miller Steven A. (Amsterdam NY), Method for melt atomization with reduced flow gas.
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이 특허를 인용한 특허 (29) 인용/피인용 타임라인 분석

Forbes Jones, Robin M.; Kennedy, Richard L., Apparatus and method for clean, rapidly solidified alloys.
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Forbes Jones, Robin M.; Kennedy, Richard L., Apparatus and method for clean, rapidly solidified alloys.
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Forbes Jones, Robin M.; Kennedy, Richard L., Apparatus and method for clean, rapidly solidified alloys.
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Forbes Jones, Robin M.; Kennedy, Richard L., Apparatus and method for clean, rapidly solidified alloys.
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Forbes Jones, Robin M.; Kennedy, Richard L., Apparatus and method for clean, rapidly solidified alloys.
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Forbes Jones, Robin M.; Kennedy, Richard L., Apparatus and method for clean, rapidly solidified alloys.
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William Thomas Carter, Jr. ; Mark Gilbert Benz ; Felix Guenter Muller DE; Franz Waldemar Hugo DE; Robert John Zabala ; Bruce Alan Knudsen, Bottom pour electroslag refining systems and methods.
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Forbes Jones, Robin M.; Shaffer, Sterry A., Casting apparatus and method.
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Forbes Jones, Robin M.; Shaffer, Sterry A., Casting apparatus and method.
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Forbes Jones, Robin M.; Shaffer, Sterry A., Casting apparatus and method.
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William Thomas Carter, Jr. ; Mark Gilbert Benz ; Robert John Zabala ; Bruce Alan Knudsen, Casting systems and methods with auxiliary cooling onto a liquidus portion of a casting.
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Carter, Jr., William Thomas; Benz, Mark Gilbert; Zabala, Robert John; Knudsen, Bruce Alan, Clean melt nucleated casting systems and methods with cooling of the casting.
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Bruce Alan Knudsen ; Robert John Zabala ; Mark Gilbert Benz ; William Thomas Carter, Jr., Consumable electrode electroslag refining feed systems and methods.
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Zabala Robert John ; Hart ; Jr. Howard Roscoe ; Benz Mark Gilbert ; Knudsen Bruce Alan ; Carter ; Jr. William Thomas ; Miller Russell Scott, Guide tube structure for flux concentration.
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Forbes Jones, Robin M., Ion plasma electron emitters for a melting furnace.
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Forbes Jones, Robin M.; Kennedy, Richard L., Melting furnace including wire-discharge ion plasma electron emitter.
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Forbes Jones, Robin M.; Kennedy, Richard L., Melting furnace including wire-discharge ion plasma electron emitter.
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Forbes Jones, Robin M., Method and apparatus for producing large diameter superalloy ingots.
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Forbes Jones, Robin M., Method and apparatus for producing large diameter superalloy ingots.
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Robert John Zabala ; Howard Roscoe Hart, Jr. ; Mark Gilbert Benz ; Bruce Alan Knudsen ; William Thomas Carter, Jr. ; Russell Scott Miller, Method for controlling flux concentration in guide tubes.
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Forbes Jones,Robin M.; Kennedy,Richard L.; Conrad,Helmut Gerhard; Szylowiec,Ted; Conrad,Wayne; Phillips,Richard Stanley; Phillips,Andrew Richard Henry, Methods and apparatus for spray forming, atomization and heat transfer.
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Carter ; Jr. William Thomas ; Benz Mark Gilbert ; Zabala Robert John ; Knudsen Bruce Alan ; Dupree Paul Leonard, Methods for controlling the superheat of the metal exiting the CIG apparatus in an electroslag refining process.
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Mark Gilbert Benz ; William Thomas Carter, Jr. ; Robert John Zabala ; Bruce Alan Knudsen, Nucleated casting systems and methods comprising the addition of powders to a casting.
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Kennedy, Richard L.; Forbes Jones, Robin M., Processes, systems, and apparatus for forming products from atomized metals and alloys.
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Forbes Jones,Robin M.; Kennedy,Richard L.; Minisandram,Ramesh S., Refining and casting apparatus.
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Forbes Jones, Robin M.; Kennedy, Richard L.; Minisandram, Ramesh S., Refining and casting apparatus and method.
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Forbes Jones, Robin M.; Shaffer, Sterry A., Refining and casting apparatus and method.
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Forbes Jones, Robin M.; Shaffer, Sterry A., Refining and casting apparatus and method.
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Robin M. Forbes Jones ; Richard L. Kennedy ; Ramesh S. Minisandram, Refining and casting apparatus and method.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Methods of recycling oversray powder during spray forming 원문보기