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公开(公告)号：US5915621A
公开(公告)日：1999-06-29
申请号：US951467
申请日：1997-10-16
摘要： An electrostatic powder coating gun for dispersing aggregate powder onto substrates. The gun includes swirling air passage outlets to form a vortex of air inside the spray gun tip to reduce powder adhesion and assist in pulverizing the powder material. The coating gun employs a powder supply unit having a fluidized bed that includes temperature and humidity controls to adjust the temperature and humidity of the compressed air supplied to the spray gun and a mixer to agitate the powder in the container.
摘要翻译： 一种用于将骨料粉末分散在基材上的静电粉末涂料枪。 枪包括旋转的空气通道出口以在喷枪尖端内形成空气涡流以减少粉末附着力并有助于粉碎粉末材料。 喷枪采用具有流化床的粉末供应单元，其包括温度和湿度控制以调节供应到喷枪的压缩空气的温度和湿度以及混合器以搅拌容器中的粉末。
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公开(公告)号：US4917917A
公开(公告)日：1990-04-17
申请号：US277011
申请日：1988-11-28
CPC分类号： B05B5/087 , B05B5/0533 , B05D1/007 , B05D1/06 , B05B5/084
摘要： An electrostatic 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 electrostatic 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.
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公开(公告)号：US5928731A
公开(公告)日：1999-07-27
申请号：US867826
申请日：1997-06-03
申请人： Kenzo Yanagida , Mituyosi Kumata , Masahiro Yamamoto , Shannon Libke , Takao Amasaki , Koichi Tsutsui
发明人： Kenzo Yanagida , Mituyosi Kumata , Masahiro Yamamoto , Shannon Libke , Takao Amasaki , Koichi Tsutsui
CPC分类号： B05B5/032 , B05B5/0533
摘要： A high voltage generated by a high voltage generator is applied to corona electrodes, and powder supplied from a powder flow passage collides against a diffuser main body while being moved in a vortex by air ejected from a vortex air introduction port and is ejected from a nozzle opening. After the powder is charged by ions generated by corona discharge, it is sprayed to an object to be coated. Free ions generated by the corona discharge are trapped by ion trap electrodes. The adhesion of the powder can be prevented by the ejection of compressed air through a diffuser front portion cover and an outer cylinder cover each composed of a porous member and the ejection of compressed air from a nozzle hole.
摘要翻译： 高电压发生器产生的高电压被施加到电晕电极上，并且从粉末流动通道供应的粉末与扩散器主体相撞，同时在涡流中通过从涡流空气引入口喷出的空气移动并从喷嘴喷出 开放 在通过电晕放电产生的离子对粉末进行充电之后，将其喷涂到待涂覆的物体上。 由电晕放电产生的游离离子被离子阱电极捕获。 可以通过压缩空气喷射通过扩散器前部盖和由多孔构件构成的外筒盖和从喷嘴孔排出压缩空气来防止粉末的附着。
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公开(公告)号：US5711489A
公开(公告)日：1998-01-27
申请号：US515976
申请日：1995-08-16
摘要： An electrostatic powder coating apparatus is provided which includes a spray gun and a powder supply unit. The spray gun includes facilities for dually functioning to both pulverize and disperse the aggregated powder and powder adhesion preventing facilities. Both the pulverizing and dispersing facilities and the powder adhesion prevention facilities are provided in a nozzle lip of the spray gun of the electrostatic powder coating apparatus. The powder supply unit includes a temperature/humidity control facilities for adjusting the temperature and humidity of the compressed air supplied to an air chamber within the powder supply unit.
摘要翻译： 提供一种包括喷枪和粉末供应单元的静电粉末涂覆装置。 喷枪包括用于双重粉碎和分散聚集粉末和粉末粘附防止设施的双重功能的设备。 粉碎分散设备和粉末粘附防止设备均设置在静电粉末涂覆设备的喷枪的喷嘴唇中。 粉末供给单元包括温度/湿度控制设备，用于调节供应到粉末供应单元内的空气室的压缩空气的温度和湿度。
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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
CPC分类号： B05B5/087 , B05B5/0533 , B05D1/007 , B05D1/06 , B05B5/084
摘要： 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.
摘要翻译： 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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