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1. 发明专利

JP2005177664A Powder clear coating method of car body 审中-公开
标题翻译：粉体清漆涂层方法
公开(公告)号：JP2005177664A
公开(公告)日：2005-07-07
申请号：JP2003424372
申请日：2003-12-22
申请人： Nippon Paint Co Ltd , Nippon Parkerizing Co Ltd , Toyota Motor Corp , トヨタ自動車株式会社 , 日本パーカライジング株式会社 , 日本ペイント株式会社
发明人： KAWAGUCHI DAISUKE , TANABE HISANORI , YABUTA MASAMI , KUWANO KAZUYUKI , HAJIMA MASAYUKI , MORITA TADAO
IPC分类号： B05D1/06 , B05D7/14 , B05D7/24
摘要： PROBLEM TO BE SOLVED: To provide a means for forming a clear layer having a good coating film appearance by suppressing the occurrence of spitting by a method of carrying out an electrostatic coating of a powder coating material F on the car body to form the clear layer.
SOLUTION: The method is characterized in that a fine particulate powder coating material having an average particle diameter of 10-15 μm is used as a powder coating material F, a flow of sending air which is a total of a flow of suction air and a flow of dilution air becomes fixed, each flow of the suction air and the dilution air is controlled such that the supply of the powder coating material F to a coating gun 5 becomes to be a set amount, and as coating gun 5, a coating gun in which the outer peripheral portion is covered by a porous casing, and an adhesion prevention air flows through an outer peripheral passage provided inside the porous casing to jet from an adhesion prevention air jet hole, and at the same time, via the porous casing also from the outer peripheral portion of the coating gun, is used.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：待解决的问题：提供一种通过在车体上进行粉末涂料F的静电涂覆的方法来抑制喷吐发生而形成具有良好涂膜外观的透明层的装置，以形成清晰的层。解决方案：该方法的特征在于，使用平均粒径为10〜15μm的细粉末涂料作为粉末涂料F，发送空气的流动总共为吸入流空气和稀释空气流被固定，吸引空气和稀释空气的每一个流动被控制，使得涂覆喷枪5的粉末涂料F的供应量变成一定量，并且作为喷枪5，外周部被多孔壳体覆盖的涂布枪，防粘着空气流过设置在多孔壳体内部的外周通路，从防粘气喷射孔射出，同时经由使用多孔外壳也可以从涂装枪的外周部分。版权所有（C）2005，JPO＆NCIPI

2. 发明专利

JP2004089861A Top clear coating method for automobile body 审中-公开
公开(公告)号：JP2004089861A
公开(公告)日：2004-03-25
申请号：JP2002254774
申请日：2002-08-30
申请人： Nippon Parkerizing Co Ltd , Toyota Motor Corp , トヨタ自動車株式会社 , 日本パーカライジング株式会社
发明人： HAJIMA MASAYUKI , YOKOI SEIJI
IPC分类号： B05D5/06 , B05D1/06 , B05D3/00 , B05D7/14 , B05D7/24
摘要： PROBLEM TO BE SOLVED: To provide a top clear coating method for an automobile body capable of efficiently forming a top clear layer excellent in flatness.
SOLUTION: A control circuit 15 controls a flow rate Qfm of suction air by adjusting a pressure regulator 12 for suction air such that a feed amount Qp of a fine particle coating material F measured by a powder flow rate measurement device 7 becomes a set feed amount Qm and adjusts a pressure regulator 13 for dilution air such that a flow rate Qt of conveying air i.e., a sum of the flow rate Qfm and a flow rate Qfs of the dilution air becomes constant. The fine particle coating material F having an average particle diameter of 10-25 μm fed to a coating gun 5 is pulse-charged by a corona discharge generated by applying a pulse-like high voltage from a pulse voltage generation device 6 to a corona electrode of the coating gun 5 and is coated on a surface of the automobile body.
COPYRIGHT: (C)2004,JPO

3. 发明专利

JP2003251230A ELECTROSTATIC POWDER COATING GUN 审中-公开
公开(公告)号：JP2003251230A
公开(公告)日：2003-09-09
申请号：JP2002051704
申请日：2002-02-27
申请人： NIHON PARKERIZING , TOYOTA MOTOR CORP
发明人： HAJIMA MASAYUKI , MORITA TADAO , SUZUKI TADASHI , NARUSE KAZUTAKE
IPC分类号： B05B7/10 , B05B5/025
摘要： PROBLEM TO BE SOLVED: To provide an electrostatic coating gun capable of carrying out coating while suppressing the occurrence of spitting even when a fine particulate coating material is used. SOLUTION: Swirling flow is formed in a powder flow passage 2 by jetting mixed air into the powder flow passage 2 in the tangential direction from each mixed air jetting port 8 of a 1st jetting port group 6 and a 2nd jetting port group 7, and the powder paint advances while swirling and is charged by ions produced by corona discharge in the vicinity of a corona electrode and jetted forward from a circular nozzle opening 4. Dispersion air is jetted in the swirling direction of the swirling flow from a dispersion air jetting port 12 inside the nozzle opening 4, and control air is jetted obliquely forward in a way tilted in the swirling direction of the swirling flow from a control air jetting port 14 arranged and formed in the outer circumferential part of the nozzle opening 4. COPYRIGHT: (C)2003,JPO

4. 发明专利

JP2002355603A POWDER PAINT SUPPLY DEVICE AND METHOD 审中-公开
公开(公告)号：JP2002355603A
公开(公告)日：2002-12-10
申请号：JP2002041464
申请日：2002-02-19
申请人： NIHON PARKERIZING , TOYOTA MOTOR CORP
发明人： MORITA TADAO , MURAI HIROKI , HAJIMA MASAYUKI , NARUSE KAZUTAKE , SUZUKI TADASHI
IPC分类号： B05D1/12 , B05B7/14 , B05C19/06 , B05D3/00 , B05D7/24 , G05B19/00
摘要： PROBLEM TO BE SOLVED: To provide a powder paint supply device and method excellent in the response of the actual supply quantity of a powder paint to the set supply quantity thereof. SOLUTION: When the set supply quantity Qm of the powder paint F and a carrying air flow rate Qt are inputted (S1), it is judged whether the learning data of the suction air pressure Pfm in the inputted set supply quantity Qm is stored in a memory (S2) and, if it is stored, the learning data of the suction air pressure Pfm is read (S3) and a suction air pressure regulator is operated in a moment corresponding to the value of the read learning data (S4). Thereafter, the set supply quantity Qm is set as a target value to transfer to PID control (S5). The value of the suction air pressure Pfm at a time when the actual supply quantity becomes the set supply quantity Qm is stored in the memory as the learning data (S6).

5. 发明专利

JP2000317355A POWDER COATING APPARATUS AND POWDER COATING METHOD FOR AUTOMOTIVE BODY 失效
公开(公告)号：JP2000317355A
公开(公告)日：2000-11-21
申请号：JP13284899
申请日：1999-05-13
申请人： NIHON PARKERIZING , TOYOTA MOTOR CORP , TRINITY IND CORP
发明人： HAJIMA MASAYUKI , YANAGIDA KENZO , NARUSE KAZUTAKE , YAMAUCHI SHIGEJI , HARA HIDEAKI , SAKURABA KOJI
IPC分类号： B05D1/06 , B05B5/025 , B05B13/02 , B05B13/04 , B05D7/14
摘要： PROBLEM TO BE SOLVED: To provide a powder coating apparatus and a powder coating method capable of improving the finishing appearance of coated face of an automotive body. SOLUTION: A carrier truck 13 supporting an automotive body 12 comprises a mounting stand 15 and a transporting mechanism 17 provided with wheels. The mounting stand 15 can mount an automotive body while slantingly keeping the whole object face of an automotive body to be coated in the horizontal direction. The inclination angle of the mounting stand is made changeable by a posture adjusting mechanism 16 comprising a hydraulic cylinder 18 and a cylinder rod 19. Coating robots 25 each comprising an arm 26 provided with an electrostatic powder coating gun 28 at the tip end are installed in both ends of the carrier truck 13.

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