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公开(公告)号：US4986210A
公开(公告)日：1991-01-22
申请号：US258151
申请日：1988-10-14
Applicant: Thomas E. Hollstein , Larry W. Keefer , Terrence M. Fulkerson , Kenneth W. Gray
Inventor： Thomas E. Hollstein , Larry W. Keefer , Terrence M. Fulkerson , Kenneth W. Gray
IPC: B05B13/02 , B05B5/03 , B05B5/047 , B05B7/08 , B05B15/04 , B05D1/06 , B05D1/32 , B05D3/04 , B05D7/00
CPC classification number: B05D3/042 , B05B15/0431 , B05B5/032 , B05B5/047 , B05B7/08 , B05D1/06 , B05D1/32
Abstract: Apparatus for coating the endmost threaded section of a pipe with corrosion resistant powder coating material by rotating the pipe and spraying the section to be coated with electrostatically charged, air-entrained powder through two stationary nozzles, one of which is directed at the section to be coated, and the other of which is directed at the chamfered end of the pipe. To prevent overspray of the powder from contacting the pipe adjacent to the area to be coated, a pair of air nozzles are directed at the area of the pipe adjacent to the area to be coated.
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公开(公告)号：US4873114A
公开(公告)日：1989-10-10
申请号：US630238
申请日：1984-07-12
Applicant: Jeffrey A. Harris
Inventor： Jeffrey A. Harris
Abstract: An expendable substrate which in use contacts molten metal, for example a foundry mould or core or ladle lining, is coated with a coherent layer of refractory particles by tribo-electrically charging refractory particles coated with an organic binder, the coated particles having an electrical resistivity of at least 10.sup.10 ohm. cm. at 10kv, earthing the substate and bringing the charged particles into contact with the earthed substrate. Suitable binders are thermoplastic resins, thermosetting resins and waxes and the quantity of binder in the binder coated particles is usually less than 10% by weight.
Abstract translation: 使用中的一次性消耗基材接触熔融金属，例如铸造模具或芯或钢包衬里，通过摩擦带电涂覆有机粘合剂的耐火材料粒子涂覆耐火材料粒子的粘附层，涂覆的颗粒具有电阻率 至少为1010欧姆。 厘米。 接地10分钟，使带电粒子与接地衬底接触。 合适的粘合剂是热塑性树脂，热固性树脂和蜡，并且粘合剂涂覆颗粒中的粘合剂的量通常小于10重量％。
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公开(公告)号：US4851253A
公开(公告)日：1989-07-25
申请号：US169314
申请日：1988-03-17
Applicant: Rolf Schneider , Fred Luderer , Peter Henger
Inventor： Rolf Schneider , Fred Luderer , Peter Henger
Abstract: In the electrostatic coating of workpieces with a coating installation in which material sprayed from a grounded rotary sprayer is electrically charged in the corona-discharge area by external electrodes inducing a corona-current to the sprayed material, the danger of the spraying device coating itself is reduced if the corona-current is adjusted to a predetermined value.
Abstract translation: 在具有涂层设备的工件的静电涂覆中，其中从接地的旋转喷雾器喷射的材料通过引起喷涂材料的电晕电流的外部电极在电晕放电区域中带电，喷涂装置本身的危险是 如果将电晕电流调节到预定值，则减小。
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公开(公告)号：US4811689A
公开(公告)日：1989-03-14
申请号：US862036
申请日：1986-05-12
Applicant: Masahiro Yamamoto , Mituyosi Kumata , Katutoshi Kozoe , Tsutomu Itoh
Inventor： Masahiro Yamamoto , Mituyosi Kumata , Katutoshi Kozoe , Tsutomu Itoh
CPC classification number: B05B5/087 , B05B5/0533 , B05D1/007 , B05D1/06 , B05B5/084
Abstract: An electrostatical powder coating method and apparatus therefor, in which an auxiliary electrode is disposed in the vicinity of a desired coating surface of an object to be coated, a gun for performing electrostatically powder coating is directed to the object to be coated and the auxiliary electrode, a DC electric field is formed between the gun, the auxiliary electrode and the object to be coated, the auxiliary electrode is electrically charged to the same polarity as the gun so as to form an auxiliary electric field between the auxiliary electrode and the desired coating surface of the object to be coated whereby a powder coating material is transferred to be applied onto the desired coating surface by the electric field.
Abstract translation: 一种静电粉末涂布方法及其设备，其中辅助电极设置在待涂覆物体的所需涂层表面附近，用于进行静电粉末涂覆的喷枪被引导到被涂物体和辅助电极 在喷枪，辅助电极和被涂物体之间形成直流电场，辅助电极与喷枪的极性相同，从而在辅助电极与所需涂层之间形成辅助电场 要涂覆的物体的表面，由此通过电场将粉末涂料转移到所需的涂层表面上。
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公开(公告)号：US4810521A
公开(公告)日：1989-03-07
申请号：US178804
申请日：1988-03-29
Applicant: Kenneth L. Robertson
Inventor： Kenneth L. Robertson
CPC classification number: B05D1/04
Abstract: A method for applying rubber-to-metal adhesives to metal parts, such as tubular metal sleeves, employs electrostatic disc-type coaters includes the employment slow solvents which maintain the adhesive in a wet or liquid condition from its atomization at the disc to its deposition on the parts. The adhesives are diluted with a solvent which contains cyclohexanone and petroleum solvents.
Abstract translation: 用于将金属粘合剂施加到诸如管状金属套管的金属部件上的方法使用静电盘式涂布机，其包括使用缓慢的溶剂，其将粘合剂保持在湿或液体状态，从其在盘的雾化到其沉积 在零件上。 粘合剂用含有环己酮和石油溶剂的溶剂稀释。
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Patent Agency Ranking136.发明授权Method and apparatus for induction charging of powder by contact electrification 失效通过接触电化进行粉末感应充电的方法和装置
公开(公告)号：US4780331A
公开(公告)日：1988-10-25
申请号：US136510
申请日：1987-12-28
Applicant: Walter H. Cobbs, Jr. , Harry J. Lader , Merle N. Hirsh , David H. Chow
Inventor： Walter H. Cobbs, Jr. , Harry J. Lader , Merle N. Hirsh , David H. Chow
CPC classification number: B05D1/06 , B05B5/087 , B05D1/007 , B05D2401/32 , B05D3/12
Abstract: Method and apparatus for charging powdered particles and delivering only these charged particles to a workpiece. A high voltage electric field is created between upper and lower surfaces. Powder is continuously delivered to the lower surface. The lower surface is vibrated to bounce the particles so that each repeatedly contacts the lower surface and picks up an electrostatic charge with each contact. When the charge from the particle is great enough to overcome gravity, the particle levitates and is thereafter transported to a workpiece, where it adheres by electrostatic attraction. Three important features of this method are: (1) No uncharged particles are levitated to the workpiece, thereby eliminating the need for recirculating uncharged powder. (2) The method is capable of producing high throughput of charged particles. (3) The method is capable of producing powder with a controlled charge level.
Abstract translation: 用于装入粉状颗粒并仅将这些带电粒子输送到工件的方法和装置。 在上表面和下表面之间产生高电压电场。 粉末连续输送到下表面。 下表面振动以使颗粒反弹，使得每个反复接触下表面并且与每个接触件拾取静电电荷。 当来自颗粒的电荷足够大以克服重力时，颗粒悬浮并随后被运送到工件，其中它通过静电吸附附着。 该方法的三个重要特点是：（1）没有不带电荷的颗粒悬浮在工件上，因此不需要再循环不带电的粉末。 （2）该方法能够产生高通量的带电粒子。 （3）该方法能够产生具有受控电荷水平的粉末。
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公开(公告)号：US4774102A
公开(公告)日：1988-09-27
申请号：US871972
申请日：1986-06-09
Applicant: Steven L. Kiefer , Stephen Hart , Ronald G. Creech
Inventor： Steven L. Kiefer , Stephen Hart , Ronald G. Creech
CPC classification number: B05D1/06 , B05B5/032 , B05B5/0533 , B05B5/0535 , B05B5/087
Abstract: An electrostatic powder spray coating method and apparatus for producing evenly coated continuous films of thermoplastic and thermosetting powders on substrates or parts having electrically conductive geometric complex surfaces and enables the use, without the occurrence of "cobwebbing," of significantly higher charging voltages for the spray gun in the spray coating of preheated substrates and parts, thus allowing faster coating lines. The invention features the use of a grounded electrically conductive ring for grounding the ionized field in the powder discharge region of the spray gun.
Abstract translation: 一种静电粉末喷涂方法和装置，用于在具有导电几何复合表面的基底或部件上制备均匀涂布的热塑性和热固性粉末的连续膜，并且能够使用，而不会发生“蜘蛛网”（smwebbing）“显着更高的喷射充电电压 在预热的基材和部件的喷涂中喷枪，从而允许更快的涂布线。 本发明的特征在于使用接地的导电环来将喷枪的粉末放电区域中的电离场接地。
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公开(公告)号：US4761299A
公开(公告)日：1988-08-02
申请号：US33028
申请日：1987-03-31
Applicant: Patrick A. Hufstetler , James E. Hynds
Inventor： Patrick A. Hufstetler , James E. Hynds
CPC classification number: B05D1/06 , B05B5/03 , B05B5/08 , B05B7/0081 , B05B7/1626
Abstract: Method and apparatus are provided for electrostatically spray coating an article in a coating zone with a liquid coating material, such as paint, wherein air is supplied to the spray head of an air spray gun at an atomizing air flow rate in excess of 5 CFM and at a delivery pressure of less than 15 psi to atomize the liquid coating material. At this combination of relatively low pressure and relatively high volume of air the transfer efficiency is substantially higher than for conventional air spray guns. A turbine unit filters and heats the air so that the air has a temperature in excess of 70.degree. F. at the spray head. An elongated conductive rod is reciprocably supported within a nozzle of the spray head to create an electrical charge differential between the atomized liquid coating material and the article in the coating zone when charged by a high voltage source. Preferably, the rod is positioned within a liquid discharge orifice of the nozzle to alternatively open and close the nozzle. Also, preferably, the air flow rate at the spray head is in the range of 5-35 CFM, and the air delivery pressure at the spray head is in the range of three to nine psi over atmospheric pressure.
Abstract translation: 提供了一种方法和装置，用于用涂料等液体涂料静电喷涂涂层中的制品，其中空气以超过5CFM的雾化空气流速供应到空气喷枪的喷头， 在小于15psi的输送压力下雾化液体涂料。 在相对较低压力和相对较高体积的空气的这种组合下，转印效率明显高于常规喷气枪。 涡轮机组过滤和加热空气，使得空气在喷头处具有超过70°F的温度。 细长的导电棒可往复运动地支撑在喷头的喷嘴内，以在由高压源充电时在雾化的液体涂层材料和涂层区域中的物品之间产生电荷差。 优选地，杆定位在喷嘴的液体排放孔内，以交替地打开和关闭喷嘴。 此外，优选地，喷头处的空气流速在5-35CFM的范围内，并且喷头的空气输送压力在大气压力下在三至九psi的范围内。
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139.发明授权
公开(公告)号：US4752497A
公开(公告)日：1988-06-21
申请号：US868056
申请日：1986-05-29
Applicant: Stephen E. McConkey , Gordon G. Macphail
Inventor： Stephen E. McConkey , Gordon G. Macphail
CPC classification number: B05D7/146 , B05D5/02 , F16L58/1072
Abstract: A method of forming an impact-resistant, moisture impermeable coating on the surface of an object, such as a pipe, comprises heating the object to a temperature above which a thermosetting resin applied to the heated surface will fuse, so that the resin forms a continuous layer. Before the layer of resin has gelled, a second layer consisting of a finely divided particulate mixture of the resin and a solid such as glass fiber or mica is applied over the first layer. The two layers are fused together to form a homogeneous resin covering with one layer reinforced by the above solid. The resin coating is then cured and the object allowed to cool. An apparatus for carrying out the method is also described.
Abstract translation: 在诸如管道的物体的表面上形成耐冲击，不透水的涂层的方法包括将物体加热至施加到加热表面的热固性树脂将熔化的温度，使得树脂形成 连续层。 在树脂层凝胶化之前，在第一层上施加由树脂和玻璃纤维或云母之类的固体的微细混合物组成的第二层。 将两层熔合在一起以形成均匀的树脂，该树脂覆盖着由上述固体增强的一层。 然后将树脂涂层固化并使物体冷却。 还描述了用于执行该方法的装置。
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140.发明授权
公开(公告)号：US4748796A
公开(公告)日：1988-06-07
申请号：US877182
申请日：1986-06-20
Applicant: Gerard H. Viel
Inventor： Gerard H. Viel
Abstract: An open-topped casting mold and a mating cover are electrostatically coated with a powder screen and casting material is poured into the mold without disturbing the powder by holding the powder in position with static electricity. The casting material is permitted to harden and a screen of powdery or fatty material placed on the upper surface of the hardened material and protective film applied over the screen.
Abstract translation: 一个开顶的铸造模具和一个配合的盖子用粉末筛网静电涂覆，铸造材料通过将粉末保持在静止位置而不会干扰粉末而注入到模具中。 允许铸造材料硬化，并将粉末或脂肪材料的筛网放置在硬化材料的上表面上，并将保护膜施加在筛网上。
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