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1. 发明专利

JPH08229445A ELECTROSTATIC COATING MACHINE 失效
公开(公告)号：JPH08229445A
公开(公告)日：1996-09-10
申请号：JP3640395
申请日：1995-02-24
申请人： TRINITY IND CORP
发明人： OKUDA TAKATOSHI , ITO TOMOYASU
IPC分类号： B05B5/025 , B05B5/04 , B05B5/16 , B05B7/08
摘要： PURPOSE: To adjust freely the size of an actual coating pattern by changing continuously said pattern by observing the actual coating pattern without exchanging a spray nozzle for shaping air for adjusting the coating pattern of a coating. CONSTITUTION: In a housing 5, a positive pressure room 6 for feeding air being shaping air is formed along the peripheral direction of the housing 5 and a number of air spray pipes 7, 7... for spraying the air in the positive pressure room 6 toward the periphery of a rotating spray head from the rear of the rotating spray head are fixed under a condition where the apex opening parts 8 of the air spray pipes are circularly arranged on the periphery of the rotating spray head 2. In addition, either its apex side 7a or its rear end side 7b of the air spray pipes 7, 7... is hooked to an adjusting ring 10 being rotatable in the peripheral direction of the housing 5 and the air spray pipes are arranged slidably in the twisting direction by using another side of either the apex side 7a or the rear end side 7b as a support by rotating the adjusting ring 10.

2. 发明专利

JPH03242253A ELECTROSTATIC COATER OF CONDUCTIVE COATING 失效
公开(公告)号：JPH03242253A
公开(公告)日：1991-10-29
申请号：JP3750090
申请日：1990-02-20
申请人： TRINITY IND CORP
发明人： SHIYOUJI RIN , MORIYA MITSUTAKA , OKUDA TAKATOSHI , OMURA TORU
IPC分类号： B05B5/16 , B05B12/14
摘要： PURPOSE:To prevent bubbling of conductive coating and generation of spitting by supplying the conductive coating to a repeating tank within a time for changing color and also equipping a replenishing means of coating. CONSTITUTION:The necessary amount of conductive coating is supplied to the respective repeating tanks 5 through a coating replenishing pipe 3 from the coating tanks 1 in which the conductive coating of respective colors is stored. The coating replenishing means supplys the necessary amount of conductive coating to the repeating tanks 5 from the coating tanks 1 within a time for changing color which is necessitated until a time for starting application of coating having the following color from a time for finishing application of coating having the front color. This conductive coating is allowed to fall in a liquid columnar state toward the liquid surface of conductive coating stored in the repeating tanks 5 and replenished. Thereby bubbling of conductive coating and generation of spitting are prevented. Further the level gages 14 are provided to the repeating tanks 5 so that the change in the air pressure of a lead pipe 12 is detected by a manometer 13 and the storage amount of conductive coating is measured. Thereby the whole equipment is miniaturized.

3. 发明专利

JPH105634A MOIULTICOLOR ELECTROSTATIC COATING MACHINE AND PIPING UNIT USED THEREIN 失效
公开(公告)号：JPH105634A
公开(公告)日：1998-01-13
申请号：JP16890596
申请日：1996-06-28
申请人： TRINITY IND CORP
发明人： OKUDA TAKATOSHI , SATO YASUSHI , ICHIMURA MAKOTO
IPC分类号： B05B5/04 , B05B3/10 , B05B5/16 , B05B12/14
摘要： PROBLEM TO BE SOLVED: To miniaturize a multicolor electrostatic coating machine and to reduce the labor of piping work and connection work when a hose having a sufficient insulating distance is arranged in a housing even when a metallic coating material is supplied. SOLUTION: Since the rear end part of a machine body 6 to which high voltage is applied is covered with a bottomed cylindrical insulating barrier member 7, even if the machine body 6 and the barrier member 7 are allowed to approach the rear end part of a housing 3, both of them are held to an electrically insulated state and a multicolor electrostatic coating machine 1 can be miniaturized. A piping unit P is attached to the housing 3 and the both ends of the respective pipelines 9, 10 are connected to the respective color replacing valves (V) in the housing 3 and the respective connectors 15 arranged to the rear end part of the housing 3 to complete piping work and connection work to reduce the labor of those works. Since the pipeline 9 allowing a coating material to flow is spirally wound and fixed around the outer peripheral surface of the piping unit P, even if the housing 3 is made short, a sufficient insulating distance can be ensured.

4. 发明专利

JPH04225857A ELECTROSTATIC COATING DEVICE OF CONDUCTIVE COATING MATERIAL 失效
公开(公告)号：JPH04225857A
公开(公告)日：1992-08-14
申请号：JP40864390
申请日：1990-12-28
申请人： TRINITY IND CORP
发明人： SHIYOUJI RIN , MORIYA MITSUTAKA , OKUDA TAKATOSHI
IPC分类号： B05B5/025 , B05B5/08 , B05B5/10
摘要： PURPOSE:To coat with an aqueous coating material by keeping the desired insulation distance between a conveyer for carrying-in and -out and an insulation conveyer with a relay conveying device provided between both conveyers, applying a high voltage on a coating object and forming electrostatic fields between the coating machine connected to a ground and the object. CONSTITUTION:An automobile body W which is running form the conveyer for carrying-in or -out side 10 to the insulated conveyer side 1 and loaded on the relay conveying device 12 together with a conveyer truck 6, is conveyed towards the insulated conveyer 1 applied with high voltage, while the desired insulating distance is kept. When the insulated distance more than a constant distance is generated between the relay conveyer 14 and the conveyer for carrying-in and -out 10, the voltage applied on the relay conveying device 12 is gradually raised and becomes the same voltage as the insulated conveyer 1. The conveyer truck 6 runs on a conveyer rail 7 applied with the high voltage from the insulated conveyer 1 and the automobile body W forms electric fields between the coating machine in the ground state, and the sprayed coating material particles are sucked and adsorbed on the surface of the automobile body W.

5. 发明专利

JPH09262508A MULTI-COLOR STATIC COATER 失效
公开(公告)号：JPH09262508A
公开(公告)日：1997-10-07
申请号：JP7691496
申请日：1996-03-29
申请人： TRINITY IND CORP
发明人： OKUDA TAKATOSHI , SATO YASUSHI , ITO TOMOYASU
IPC分类号： B05B5/04 , B05B5/16 , B05B12/14
摘要： PROBLEM TO BE SOLVED: To eliminate completely all the troubles of connection between connectors formed on the rear end of a machine body and inflow openings of color change valves constituting a color change valve device mounted on the machine body by using hoses, make the device small and secure the sufficient insulation distance in the case a metallic coating material is fed. SOLUTION: Respective color change valves 6 constituting a color change valve device 5 are communicated with respective connectors 8 connecting hoses for feeding a coating material and a cleaning fluid to respective color change valves 6 through respective pipelines 12 formed on a pipeline unit 11 of a cylindrical body 10 fitted removably in a machine body 4, and respective pipelines 12 of the pipeline unit 11 are formed through along the inside of the wall thickness of a body section 13 of the cylindrical body 10 molded with insulating resin, and at least a pipeline 12a in which the coating material is flowed is formed into the spiral shape along the peripheral direction of the body section 13.

6. 发明专利

JPH0994489A ELECTROSTATIC COATER 失效
公开(公告)号：JPH0994489A
公开(公告)日：1997-04-08
申请号：JP25297095
申请日：1995-09-29
申请人： TRINITY IND CORP
发明人： OKUDA TAKATOSHI , SATO YASUSHI
IPC分类号： B05B5/04 , B05B3/10 , B05B5/08
摘要： PROBLEM TO BE SOLVED: To obviate the occurrence of coating defect, such as color mingling and blobs, by making it possible to surely remove the liquid drops of a coating material even if these liquid drops stick to the outer peripheral part at the front end of a coating material nozzle for supplying the coating material into the rotary atomizing head of an electrostatic coater. SOLUTION: An air flow passage 15 for ejecting air into the rotary atomizing head 2 is formed through the clearance between a tubular revolving shaft 5 and the coating material supply nozzle 3 from an air inflow port 13 formed at the rear end of the tubular revolving shaft 5. The clearance between the nozzle insertion hole 2a of the rotary atomizing head 2 which is the air outflow port 14 of the air flow passage 15 and the coating material supply nozzle 3 is formed narrow to the extent that the air velocity to blow off the drops of the coating material sticking to the front end of the coating material supply nozzle 3 is obtainable. In addition, the front end of the coating material supply nozzle 3 is formed approximately flush with the inner peripheral surface 2b of the rotary atomizing head 2.

7. 发明专利

JPH08173857A ELECTROSTATIC COATING APPARATUS 失效
公开(公告)号：JPH08173857A
公开(公告)日：1996-07-09
申请号：JP32474994
申请日：1994-12-27
申请人： TRINITY IND CORP
发明人： ICHIMURA MAKOTO , OKUDA TAKATOSHI , HAGIWARA KAZUNORI , ITO TOMOYASU
IPC分类号： B05B15/02 , B05B3/10 , B05B5/04 , B05B5/16 , B05B7/08 , B05D1/04
摘要： PURPOSE: To reduce coating material loss and washing solvent loss due to washing to lower coating material costs and also to uniformly spray a coating material without interruption during coating even when the coating material is fed from a thin tube-shaped nozzle arranged in any position. CONSTITUTION: A rotary atomizing head 5 is fitted to the tip of a tubular rotating shaft 4 of an air motor 3, and in the rotary atomizing head 5, a coating material diffusing plate 6 on which a pointed head 6a is provided projectingly on the rear side of the center of rotation position is arranged. Plural thin tube- shaped nozzles N1 -N7 for feeding a coating material and a thin tube-shaped nozzle N8 for feeding washing air and washing solvent are inserted into the axis of the tubular rotating shaft 4 in a noncontact state. In this way, at least at the tips of the thin tube-shaped nozzles N1 -N7 , gate valves 11 for opening and closing nozzle holes 10 are formed. To a manifold 9 provided with a center nozzle 8 opened opposite to the center of the rear of the coating material diffusing plate 6, the tip side of the thin tube-shaped nozzles N1 -N8 are connected altogether.

8. 发明专利

JPH07213957A ELECTROSTATIC COATER 失效
公开(公告)号：JPH07213957A
公开(公告)日：1995-08-15
申请号：JP999994
申请日：1994-01-31
申请人： TRINITY IND CORP
发明人： ITO TOMOYASU , OKUDA TAKATOSHI , ITO YASUO
IPC分类号： B05B15/02 , B05B3/10 , B05B5/04 , B05B5/08 , B05B5/16 , B05B7/08
摘要： PURPOSE:To lessen the loss of a coating compound due to washing and the cleaning solvent loss and to lessen the coating cost even in the case color is changed and washing is carried out every time by installing a plurality of coating compound supplying valves, which are opened and closed individually, in a device. CONSTITUTION:A circular flow route 7 whose one end is connected with a rear end side of a coating compound supplying pipe 5 inserted into a tubular rotary axle 4 and the other end is connected with a cleaning valve to supply a cleaning solvent and cleaning air is formed in the back side of an air motor 3 built in this electrostatic coater 2 along the circumferential direction and coating compound supplying valves V1-V7 connected with supplying sources of respective color coating compounds are installed along the circular flow route 7 and are connected with the flow route 6 from the back side of the coater 2.

9. 发明专利

JPH02290279A ELECTROSTATIC COATING METHOD OF CONDUCTIVE COATING MATERIAL 失效
公开(公告)号：JPH02290279A
公开(公告)日：1990-11-30
申请号：JP10983289
申请日：1989-04-29
申请人： TRINITY IND CORP
发明人： YAMAGUCHI MASANOBU , OMORI HIDETOSHI , MORIYA MITSUTAKA , ACHINAMI TOKUYUKI , OKUDA TAKATOSHI
IPC分类号： B05D1/02 , B05B5/025 , B05D1/04 , B05D7/14
摘要： PURPOSE:To eliminate the necessity of insulating a coating machine or a coating material supply system by a method wherein an object to be coated is raised when it arrives at a coating zone to be separated from a conveyor and held to an insulating state to apply high voltage. CONSTITUTION:When an object 2 to be coated reaches a coating zone Z, the object 2 to be coated is placed on the lift stand 5 of a lifter 4 while it is placed on a conveyor truck 2 and raised upwardly to be separated from a conveyor 1. Then, high voltage is applied to the object 2 to be coated drawn in a side booth 10 from a high voltage generator 11 through a high voltage cable 12. In this state, the object 2 to be coated is coated with the conductive coating material sprayed from the paining machine 9 connected to earth potential. After the completion of coating, the application of high voltage to the object 2 to be coated is stopped and the lifter 4 is allowed to advance and the lift stand 5 is allowed to fall to return the object 2 to be coated to the conveyor 1. By this method, installation cost can be reduced.

10. 发明专利

JP2001170522A PULSE SUPERPOSED HIGH VOLTAGE GENERATOR FOR STATIC ELECTRICITY APPLYING MACHINERY 失效
公开(公告)号：JP2001170522A
公开(公告)日：2001-06-26
申请号：JP35714199
申请日：1999-12-16
申请人： ORIGIN ELECTRIC , TRINITY IND CORP
发明人： WATANABE KIYOMI , TAKEDA OSAMU , OKUDA TAKATOSHI , KUWABARA TAKESHI , SHUTOKU RYOTA
IPC分类号： B05B5/10
摘要： PROBLEM TO BE SOLVED: To provide a high voltage generator capable of inexpensively generating pulse superposed high voltage enabling an increase in charge efficiency by a simple circuit constitution. SOLUTION: In a pulse superposed high voltage generator for a static electricity applying machinery, first and second high voltage switch circuits are connected in series across the final and intermediate stages of a multistage cascade type voltage doubler rectifier circuit formed by the cascade connection of a plurality of capacitors and a plurality of diodes and the connection points of them are connected to the high voltage output terminal OT, which is connected to the charge electrode of a static electricity applying machinery, through a resistor and the first and second high voltage switch circuits 8, 9 are alternately operated. By this constitution, the base voltage corresponding to the voltage of the intermediate stage is outputted from the high voltage output terminal OT when the second high voltage switch circuit 9 connected to the intermediate stage is turned ON and pulse superposed high voltage, wherein pulse voltage corresponding to the difference between the voltages of the final and intermediate stages is superposed on the base voltage, is outputted to the high voltage output terminal OT when the first high voltage switch circuit 8 connected to the final stage is turned ON.

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