[특허]Method and apparatus for composite manufacture

[미국특허] Method and apparatus for composite manufacture 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B29C-035/10 B29C-070/20
출원번호	US-0833595 (1997-04-07)
발명자 / 주소	Ramani Karthik Woolard Daniel Edward Duvall Mark Stephen
출원인 / 주소	Purdue Research Foundation
대리인 / 주소	Woodard, Emhardt, Naughton, Moriarty & McNett
인용정보	피인용 횟수 : 11 인용 특허 : 18

초록 ▼

A composite manufacturing system moves a multi-fiber tow through a processing space. A resin particle source provides particles to the space. This source may include an airstream entrained with particles which is discharged into the space through an orifice; the airstream diverging as it enters the space. An electrode is disposed in the space to electrostatically charge the particles and facilitate deposition of the charged particles on the tow. In one embodiment, the electrode includes a corona wire disposed proximate to the tow to provide a generally cylindrical charging region. An electric field useful to direct deposition of the particles may be generated by appropriately shaping a wire electrode and orienting it in a predetermined manner relative to the tow. After the particles are deposited, a fixation unit may be used to at least partially melt the deposited particles. A processing stage may be included which has a pair of surfaces configured to heat and compress the tow therebetween. Multiple post-deposition processing stages to heat and compress the tow may be employed to improve resin impregnation among fibers of the tow.

대표청구항 ▼

[ What is claimed is:] [1.] A method, comprising:(a) moving a tow of long continuous fibers through a processing space;(b) discharging a pressurized fluid stream entrained with a number of resin particles into the processing space through an orifice, the stream diverging from the orifice to distribute the particles in the processing space;(c) electrostatically charging at least a portion of the particles received in the processing space from said discharging with a wire electrode positioned in the processing space;(d) depositing the resin particles on the tow; and(e) fixing the resin particles to the tow after said depositing. [37.] An apparatus for manufacturing a composite by depositing a number of resin particles on a tow, the tow having a number of long continuous fibers, comprising:a processing chamber;a transport configured to move the tow through said processing chamber;a particle source in fluid communication with said processing chamber, said particle source being configured to provide the resin particles in said processing chamber;an elongate wire electrode coupled to said processing chamber, said wire electrode and the tow being configured with one over the other;a voltage source configured to be electrically coupled to the tow and said electrode, said wire electrode being disposed relative to the tow to provide a generally cylindrically shaped charging region about said wire electrode to electrostatically charge the resin particles and generate an electric field between said electrode and the tow to direct deposition of the resin particles on the tow when said voltage source is coupled to the tow and said electrode; anda fixation unit configured to receive the tow from said processing chamber to fix the resin particles to the tow after deposition.

이 특허에 인용된 특허 (18) 인용/피인용 타임라인 분석

Kiefer Steven L. (Argos IN) Hart Stephen (Warsaw IN) Creech Ronald G. (Warsaw IN), Apparatus for electrostatic powder spray coating and resulting coated product.
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Ganga Roland A. (Joinville Le Pont FRX), Apparatus for producing flexible composite material.
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McAliley J. Eugene (Rock Hill SC) Daumit Gene P. (Charlotte NC) Ethridge Frederick A. (Waxhaw NC) Crozier ; Jr. James R. (Rock Hill SC), Carbon fiber multifilamentary tow which is particularly suited for weaving and/or resin impregnation.
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Sagiv Oded (Cochav Yair ILX) Korol Yevgeny (Petach Tikva ILX), Charging apparatus operative to charge a surface.
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Rushing Allen J. (Rochester NY), Corona-charging apparatus and method.
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Kuhn Wolfgang (Schloss Holte DEX) Rapp Karl (Auenwald DEX), Electrostatic spray gun.
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Ganga Roland A. (Joinville le Pont FRX), Flexible composite material and process for producing same.
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Muzzy John D. (Atlanta GA) Varughese Babu (Grovetown GA), Flexible multiply towpreg.
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Muzzy John D. (Atlanta GA) Varughese Babu (Grovetown GA), Flexible multiply towpreg and method of production therefor.
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de Jager Gui G. (Noordwyk NLX), Method and apparatus for applying powdered materials to filaments.
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Iyer Shridhar (East Lansing MI) Drzal Lawrence T. (Okemos MI) Jayaraman Krishnamurthy (East Lansing MI), Method coating fibers with particles by fluidization in a gas.
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Iyer Shridhar (East Lansing MI) Drzal Lawrence T. (Okemos MI), Method for fiber coating with particles.
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Iyer Shridhar (East Lansing MI) Drzal Lawrence T. (Okemos MI) Jayaraman Krishnamurthy (East Lansing MI), Method for fiber coating with particles.
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Nakajima Kenji (Kanagawa JPX) Futami Atsuo (Kanagawa JPX), Method of applying single polar electro-static charges to continuously travelling long web support, and apparatus practi.
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Throne James L. (Akron OH) Ogden Andrea L. (Blacksburg VA), Method of depositing and fusing charged polymer particles on continuous filaments.
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Taylor Gordon J. (Hinckley OH), Method of impregnating a fibrous textile material with a plastic resin.
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Baucom, Robert M.; Snoha, John J.; Marchello, Joseph M., Process for application of powder particles to filamentary materials.
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Muzzy John D. (Atlanta GA), Towpregs from recycled plastics by powder fusion coating and method of production therefor.
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이 특허를 인용한 특허 (11) 인용/피인용 타임라인 분석

Wang, Chen-Shih; Knakal, Charles William; Dahl, Jeffrey Scott; Shah, Bhavesh Suresh, Fiber tow treatment apparatus and system.
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Barker, Philip A; Fisk, Christopher; Smith, Raymond P, Fibre coating method and apparatus.
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Barker, Philip A; Fisk, Christopher; Smith, Raymond P, Fibre coating method and apparatus.
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Hayashi, Seiichi; Harada, Jimpei; Kikuchi, Tetsuo; Omote, Kazuhiko; Inaba, Katsuhiko, Method and apparatus for measuring thin film, and thin film deposition system.
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Inston, David, Method of manufacturing composite material.
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Inston, David, Method of manufacturing composite material.
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Roelofs, Robert R.; Letzring, Hans F., Method of powder coating weldable substrates.
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Marduel, Joric, Process for impregnating a fibrous, filamentary and/or porous network with powder using electrodes subjected to an AC electric field.
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Wagener, Gert; Klethi, Thierry, Process for production of a reinforcement for composite material with a variable resistance profile, reinforcement obtained.
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McCardell, Edward, Spot laminator with charging bar.
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Jacobs, Scott; Ibsen, Robert, Teeth treatment device.
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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] Method and apparatus for composite manufacture 원문보기