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    • 4. 发明申请
    • APPARATUS AND METHODS OF FORMING A FLUIDIZED BED OF CIRCULATING PARTICLES
    • 形成循环粒子的流化床的装置和方法
    • WO2008103187A1
    • 2008-08-28
    • PCT/US2007/073257
    • 2007-07-11
    • BATTELLE ENERGY ALLIANCE, LLC
    • MARSHALL, Douglas, W.
    • B05C19/02
    • B01J2/16B01J2/006
    • There is disclosed apparatus for forming a fluidized bed of circulating particles. In an embodiment, the apparatus includes a bottom portion having a sidewall, the sidewall defining a curvilinear profile, and the bottom portion configured to contain a bed of particles; and a gas inlet and configured to produce a column of gas to carry entrained particles therein. There is disclosed a method of forming a fluidized bed of circulating particles. In an embodiment, the method includes positioning particles within a bottom portion having a sidewall, the sidewall defining a curvilinear profile; producing a column of gas directed upwardly through a gas inlet; carrying entrained particles in the column of gas to produce a fountain of particles over the fluidized bed of circulating particles and subside in the particle bed until being directed inwardly into the column of gas within the curvilinear profile.
    • 公开了形成循环粒子的流化床的装置。 在一个实施例中,该装置包括具有侧壁的底部,该侧壁限定曲线轮廓,并且该底部构造成容纳一个颗粒床; 和气体入口,并且构造成产生一列气体以在其中携带夹带的颗粒。 公开了形成循环颗粒的流化床的方法。 在一个实施例中,该方法包括将颗粒定位在具有侧壁的底部部分内,该侧壁限定曲线轮廓; 产生向上通过气体入口的气体柱; 在气体塔中携带夹带的颗粒以在循环颗粒的流化床上产生颗粒喷泉,并在颗粒床中沉降,直到向内引导到曲线轮廓内的气体塔中。
    • 6. 发明申请
    • POWDER COATING PROCESS WITH ELECTROSTATICALLY CHARGED FLUIDISED BED
    • 具有静电充气流化床的粉末涂装工艺
    • WO2002098577A1
    • 2002-12-12
    • PCT/GB2002/002790
    • 2002-06-06
    • INTERNATIONAL COATINGS LIMITEDKITTLE, Kevin, JeffreyFALCONE, Michele
    • KITTLE, Kevin, JeffreyFALCONE, Michele
    • B05C19/02
    • B05D1/24B05C19/025B05D1/007B05D2202/00
    • A process for forming a coating on a conductive substrate, including the steps of: establishing a fluidised-bed of a powder coating composition, thereby effecting tribostatic charging of the powder coating composition, the fluidised-bed including a fluidising chamber at least a part of which is conductive, applying a voltage to the conductive part of the fluidising chamber, immersing the substrate wholly or partly in the fluidised bed, whereby charged particles of the powder coating composition adhere to the substrate, the substrate being either electrically isolated or earthed, withdrawing the substrate from the fluidised-bed and forming the adherent particles into a continuous coating over at least part of the substrate. The process offers advantages in terms of coating substrate areas which, because of the Faraday cage effect, are incaccessible in conventional electrostatic powder coating processes, and also enables the formation of thinner coatings than are obtainable by conventional fluidised-bed processes. Further advantages include uniformity and speed of coating.
    • 一种在导电基材上形成涂层的方法,包括以下步骤:建立粉末涂料组合物的流化床,从而对粉末涂料组合物进行摩擦阻尼加载,流化床包括流化室至少部分 其导电,向流化室的导电部分施加电压,将基底完全或部分地浸入流化床中,由此粉末涂料组合物的带电粒子粘附到基底上,该基底被电隔离或接地,取出 来自流化床的基底并且在至少部分基底上形成粘附颗粒成连续的涂层。 该方法在涂布基材面积方面具有优势,由于法拉第笼式效应,在常规静电粉末涂覆方法中不可接受,并且还能够形成比通过常规流化床方法可获得的更薄的涂层。 其他优点包括均匀性和涂层速度。
    • 8. 发明申请
    • POWDER COATING PROCESS
    • 粉末涂料工艺
    • WO99030838A1
    • 1999-06-24
    • PCT/GB1998/003777
    • 1998-12-16
    • B05C19/02B05D1/24
    • B05C19/025B05D1/24Y10S118/05
    • A process for forming a coating on a conductive substrate, which comprises establishing a fluidised bed of a powder coating composition, immersing the substrate wholly or partly within the said fluidised bed, applying a voltage to the substrate for at least part of the period of immersion, whereby particles of the powder coating composition adhere to the substrate, withdrawing the substrate from the fluidised bed and forming the adherent particles into a continuous coating over at least part of the substrate. The process enables the coating of substrate areas which, because of the Faraday cage effect, are inaccessible in conventional electrostatic coating processes, and also enables the formation of thinner coatings than are obtainable by conventional fluidised-bed processes.
    • 一种用于在导电基底上形成涂层的方法,其包括建立粉末涂料组合物的流化床,将基底全部或部分浸入所述流化床内,在浸没时间的至少一部分期间向基底施加电压 由此粉末涂料组合物的颗粒粘附到基材上,从基板上取出基材,并将粘合颗粒形成至少部分基材上的连续涂层。 该方法使得能够涂覆由于法拉第笼式效应而在常规静电涂覆工艺中不可接触的基底区域,并且还能够形成比通过常规流化床方法可获得的更薄的涂层。
    • 10. 发明申请
    • BESCHICHTUNGSEINHEIT, VORRICHTUNG UND VERFAHREN ZUM HERSTELLEN EINES DREIDIMENSIONALEN OBJEKTS
    • 用于产生三维物体的涂层单元,装置和方法
    • WO2017080660A1
    • 2017-05-18
    • PCT/EP2016/001876
    • 2016-11-10
    • EOS GMBH ELECTRO OPTICAL SYSTEMS
    • PATERNOSTER, StefanGRÜNBERGER, Stefan
    • B29C67/00B33Y30/00B33Y40/00B05C19/02B05C11/04B22F3/00B22F3/105B05C9/06
    • B33Y40/00B22F3/1055B22F2003/1056B22F2999/00B29C64/153B29C64/20B33Y10/00B33Y30/00B22F3/004
    • Eine Beschichtungseinheit (40) zum Aus- und/oder Nachrüsten einer Vorrichtung (1) zum Herstellen eines dreidimensionalen Objekts (2) durch selektives schichtweises Verfestigen von pulverförmigem Aufbaumaterial (15), enthält zwei in einer ersten Richtung (B1) voneinander beabstandete und sich in eine Richtung quer zu der ersten Richtung erstreckende Beschichtungselemente (41, 42), die in der ersten Richtung (B1) und ihrer Gegenrichtung (B2) einen Aufnahmeraum für das pulverförmige Aufbaumaterial (15) begrenzen, und eine Zwischenwand (43), die zwischen den beiden Beschichtungselementen (41, 42) in der ersten Richtung (B1) von beiden Beschichtungselementen (41, 42) beabstandet angeordnet ist und sich in eine Richtung quer zu der ersten Richtung (B1) erstreckt, wodurch der Aufnahmeraum für das Aufbaumaterial (15) in zwei Kammern (44, 45) unterteilt ist. Die Beschichtungseinheit (40) ist dazu eingerichtet, je nach Bewegung der Beschichtungseinheit (40) in die erste Richtung (B1) oder in ihre Gegenrichtung (B2) Aufbaumaterial in der in der jeweiligen Bewegungsrichtung nachlaufenden Kammer (44, 45) aufzunehmen und das in der jeweils nachlaufenden Kammer (44, 45) aufgenommene Aufbaumaterial (15) mit dem jeweils nachlaufenden Beschichtungselement (41, 42) zu einer gleichmäßigen Schicht (31) auszuziehen.
    • 一个涂覆单元(40),用于去除和/或改装导航用途最的装置(1)的用于通过粉状&OUML选择性逐层固化制造三维物体(2); rmigem建筑物材料(15)包含Ä LT在第一方向(B1)的两个间隔开并沿横向延伸的延伸至所述涂层元件的在第一方向(B1)和其相反方向(B2),用于导航用途为r的容纳空间的第一方向(41,42)的粉末状的&oUML ;形建筑材料(15)的限制,并且在两个涂覆元件的第一方向(B1)的两个涂布元件之间的中间壁(43)(41,42)(41,42)沿横向隔开并且以 第一方向(B1),由此用于建筑材料(15)的容纳空间被分成两个腔室(44,45)。 涂覆单元(40)适于根据涂布单元(40)的在所述第一方向(B1)的移动或在其相反的方向(B2)的建筑材料在尾端在移动腔室接收(44,45)的相应的方向上和在 每个随后的后室(44,45)将具有相应尾随涂层元件(41,42)的建筑材料(15)接收到均匀的后面的涂层元件(31)