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1. 发明专利

JPH07116559A ELECTROSTATIC COATER 失效
公开(公告)号：JPH07116559A
公开(公告)日：1995-05-09
申请号：JP26847693
申请日：1993-10-27
申请人： TRINITY IND CORP
发明人： OMURA TORU , ITO YASUO , WATANABE TOICHI
IPC分类号： B05B5/04 , B05B5/16 , B05B7/08
摘要： PURPOSE:To reduce a coating material cost by optionally supplying various colored coating materials to a rotary atomizing head without making the inside diameter of a tubular rotary shaft of an air motor large, and simultaneously decreasing the loss of the coating material by wash and the loss of the washing solvent even though color change is carried out each time. CONSTITUTION:Ports P1-P12 supplying the various colored coating materials, washing solvent, and washing air respectively are formed by opening at the back side of the machine body 2 with a specified interval along the circumference and a check valve 11 forced to the closing direction is formed at an opening part 8 of each port P1-P12, and a coating material flow passage 7 feeding the coating material to a rotary atmizing head 5 and a rotary joint R which atternotively communicates with the each port P1-P12, are rotationally driven so as to enable positioning to the each port P1-P12. Also a needle 17 releasing the check valve 11 is arranged movably forwards and backwards on a connector 14 attached or detached to the each port P1-P12.

2. 发明专利

JPH0796245A METHOD FOR WASHING MULTICOLOR COATING APPARATUS 失效
公开(公告)号：JPH0796245A
公开(公告)日：1995-04-11
申请号：JP24090993
申请日：1993-09-28
申请人： TRINITY IND CORP
发明人： ACHINAMI TOKUYUKI , ICHIMURA MAKOTO , OMURA TORU , ITO YASUO
IPC分类号： B05B15/02 , B05B12/14 , B05D1/02 , B05D1/04 , B05D1/06
摘要： PURPOSE:To completely remove coating left in the path of a coating piping system between a color changing device and a coater of a multicolor coating apparatus. CONSTITUTION:The path 3 of a coating piping system is divided into an upstream pathe 3a and a downstream path 3b by a trigger valve 9; the upstream path 3a is washed with air and a solvent supplied from a color changing devcie 1, and the downstream path 3b is washed with air and a solvent supplied from a washing valve unit 5 to make washing time shorter. During washing, a trigger valve 9 is changed over to connect temporarily the upstream pathe 3a with the down stream path 3b in order to remove completely coating deposited in the trigger valve 9.

3. 发明专利

JPH04330963A COLOR CHANGEOVER WASHING METHOD IN MULTICOLOR COATER 失效
公开(公告)号：JPH04330963A
公开(公告)日：1992-11-18
申请号：JP12682091
申请日：1991-04-30
申请人： TRINITY IND CORP
发明人： ACHINAMI TOKUYUKI , OMURA TORU
IPC分类号： B05B12/14 , B05B15/02 , B05D1/02
摘要： PURPOSE:To prevent air and thinner from infiltrating into a valve by stablty making the mixed fluid of air with washing liquid which is fine in air foams and very homogeneous as a whole, thus obtaining remarkably enhanced washing effect. CONSTITUTION:The mixed fluid of washing liquid with air is made in a manifold by repeatedly opening and closing both a washing valve and an air valve respectively in the periodical moment of about 0.1-100 milli sec. thereby the route of coating is washed n the case of color changeover of coating. In this case, the supply pressure of air is set higher than the supply pressure of washing liquid. Further, the opening time of the valve for washing liquid is regulated to the greater part in the whole washing time and also prolonged by several times in comparison with the opening time of the air valve.

4. 发明专利

JPH04293565A ELECTROSTATIC COATING APPARATUS FOR PLASTIC MOLDED PRODUCT 失效
公开(公告)号：JPH04293565A
公开(公告)日：1992-10-19
申请号：JP5853791
申请日：1991-03-22
申请人： TRINITY IND CORP
发明人： MORIYA MITSUTAKA , OMURA TORU , MATSUSHITA MASAHARU
IPC分类号： B05B5/053 , B05B5/10 , B05B13/04
摘要： PURPOSE:To make unnecessary an installation for a pretreatment for electrostat ic coating and the space for the installation, solve the troubles of the treatment, and eliminate its undesirable effect on a coating by coating the surface of a plastic molded product with sprayed coating particles efficiently even if no pretreatment is carried out for the surface to be coated by the electrostatic coating. CONSTITUTION:The polarity of high voltage to be applied to a charging part to charge sprayed coating particles from a coating apparatus 3 is changed into the reverse polarity when the direction of the coating apparatus 3 which moves reciprocally along the surface of a plastic molded product 4 is reversed, so that the coating particles having electric charge of the reverse polarity to that of the surface of the plastic molded product 4 are sprayed to the surface 4.

5. 发明专利

JPH07213986A ELECTROSTATIC COATING METHOD OF METALLIC COATING COMPOUND 失效
公开(公告)号：JPH07213986A
公开(公告)日：1995-08-15
申请号：JP1000194
申请日：1994-01-31
申请人： TRINITY IND CORP
发明人： ICHIMURA MAKOTO , OMURA TORU , HAGIWARA KAZUNORI
IPC分类号： B05D1/04 , B05D5/06
摘要： PURPOSE:To obviate the need for discarding a coating compound which is not electrostatically atomized before coating and to prevent metal bridging when high voltage is applied by evacuating a coating pipe when coating is finished and applying high voltage to an electrostatic coating machine before coating reaches a specified area when coating is started. CONSTITUTION:When coating is finished, a washing solvent and washing air are supplied from a change-over valve 5 to wash and evacuate a coating pipe 3, and this electrostatic coating machine 2 is made to be waiting without application of high voltage. When coating is started, high voltage is applied to the electrostatic coating machine 2 before a metallic coating compound supplied from the change-over valve 5 reaches a high voltage area 3a which is not separated along the coating pipe 3 by a specified insulating distance from a part to which the high voltage of the electrostatic coating machine 2 is applied. Therefore, at the start of coating when high voltage is applied to the electrostatic coating machine 2 and the coating pipe 3, the coating pipe 3 is evacuated so that metal bridging is prevented even when the voltage is increased abruptly.

6. 发明专利

JPH0739795A COLOR CHANGING DEVICE OF PAINT AND MANIFOLD USED THEREIN 失效
公开(公告)号：JPH0739795A
公开(公告)日：1995-02-10
申请号：JP18972893
申请日：1993-07-30
申请人： TRINITY IND CORP
发明人： ICHIMURA MAKOTO , OMURA TORU
IPC分类号： B05B12/14 , B05C11/10
摘要： PURPOSE:To certainly perform washing within a short time. without leaving a color by shortening the passage from the paint passage formed to the manifold of a color changing device to the valve seat of a color changing valve. CONSTITUTION:The ports P1-Pn communicating with color changing valves V1-Vn are formed to a manifold 1 so as to be opened at a predetermined interval along the longitudinal direction of the paint passage 2 of the manifold 1 and formed from the valve discs 5 so as to be capable of advancing and retreating with respect to the ports P1-Pn in such a state that the valve housings 4 of the valves V1-Vn are mounted on the manifold 1 and the valve seats 6 coming into close contact with the advanced valve discs 5 and the valve seats 6 are integrally formed to the opeing end parts of the ports P1-Pn.

7. 发明专利

JPH07185406A ELECTROSTATIC COATING MACHINE 失效
公开(公告)号：JPH07185406A
公开(公告)日：1995-07-25
申请号：JP33237793
申请日：1993-12-27
申请人： TRINITY IND CORP
发明人： ITO TOMOYASU , OMURA TORU , HAGIWARA KAZUNORI
IPC分类号： B05B5/04 , B05B5/16
摘要： PURPOSE:To lessen the loss of a coating material and the loss of a cleaning solvent and reduce the coating material cost in the case of color change and simultaneously eliminate the necessity of maintenance of a sealing material for fine tubular nozzles feeding the coating materials of respective colors. CONSTITUTION:A plurality of fine tubular nozzles N1-N8 with valves V1-V8 for opening and closing nozzle holes 8 formed at nozzle ends are inserted into a tubular rotating shaft 4 in the non-contact state, and poppets 10 pressed to valve seats 9 from outside of nozzle holes 8 of respective valves V1-V8 are connected with magnets 11 and disposed slidably back and forth by the given stroke on the inner-tube rear ends of the fine tubular nozzles N1-N8, and springs 12 for energizing the poppets 10 in the valve closing direction are disposed in the fine tube nozzles N1-N8. A magnet 13 for energizing the poppets 10 in the valve opening direction by bouncing the magnets 11, disposed in the fine tubular nozzles N1-N8 in resistance to the spring force of the springs 12, is disposed movably back and forth to the rear ends or fine tubular nozzles N1-N8 in the state of facing the poles of the magnet to corresponding poles of the magnets 11 by the above arrangement.

8. 发明专利

JPH0796222A ELECTROSTATIC COATING MACHINE 失效
公开(公告)号：JPH0796222A
公开(公告)日：1995-04-11
申请号：JP24416693
申请日：1993-09-30
申请人： TRINITY IND CORP
发明人： YAMAMOTO IWAO , ICHIMURA MAKOTO , OMURA TORU
IPC分类号： B05B5/04 , B05B3/10 , B05B5/16 , B05B7/08
摘要： PURPOSE:To decrease loss of a coating and loss of a cleaning solvent caused by cleaning at the time of color change and reduce the cost of the coating by providing a plurality of capillary nozzles in a tubular rotating shaft of an air motor with a limited inner diameter by insertion and driving independently opening and closing of each needle valve for them. CONSTITUTION:A plurality of capillary nozzles N0-N6 wherein nozzle holes 6 are opened and closed by means of needle valves 7 are provided with an annular arrangement in a machine body 2 and the apexes of the nozzles N0-N6 are connected in the lump with a manifold 10 which inserts a feeding hole 13 for a coating into a tubular rotating shaft 4 under uncontacting condition and the rear ends of nozzles N0-N6 are respectively connected with the connecting hole P0-P6 of coating hoses H0-H6 provided on the rear end side of the machine body 2. The rear end part of the needle of each needle valve 7 projected from each nozzle N0-N6 is connected with each valve driving part S0-S6 which opens and closes the needle valve 7 through each lever L0-L6 being radially arranged.

9. 发明专利

JPH0671202A WASHING MECHANISM FOR COATING APPARATUS 失效
公开(公告)号：JPH0671202A
公开(公告)日：1994-03-15
申请号：JP22708592
申请日：1992-08-26
申请人： TRINITY IND CORP
发明人： MORIYA MITSUTAKA , OMURA TORU
IPC分类号： B05B15/00 , B05B12/14 , B05B15/02
摘要： PURPOSE:To increase the washing effect in a route for feeding a coating material and simultaneously to decrease the consumption of a washing solvent fed to the route for feeding a coating material by surely feeding a mixed fluid of washing air and washing solvent into the route for feeding a coating material where the coating material to be fed to a coater remains. CONSTITUTION:To the washing start end of a route 3 for feeding a coating material is connected solvent charge piping 6 which is previously filled in with washing solvent by the quantity required for washing the route 3 and simultaneously plural air feed ports for passing the washing solvent in the piping 6 through the route 3 for feeding a coating material in plural times are provided along the longitudinal direction of the solvent charge piping 6 at specified intervals.

10. 发明专利

JPH04244918A SENSOR FOR DETECTING FLOW OF PAINT 失效
公开(公告)号：JPH04244918A
公开(公告)日：1992-09-01
申请号：JP1053791
申请日：1991-01-31
申请人： TRINITY IND CORP
发明人： ICHIMURA MAKOTO , OKUDA TAKATOSHI , OMURA TORU , ARIMURA TAKASHI
IPC分类号： G01F3/10
摘要： PURPOSE:To prevent a high voltage from being leaked to an electrical system such as a signal processing portion for processing a signal which is output from a sensor even if a sensor for detecting flow of paint which detects a rotational speed of a rotor which rotates according to the flow of the paint flowing within a paint pipe from an outside without any contact at a high- voltage zone of an electrostatic painting machine. CONSTITUTION:A coil 5 where an induced voltage is generated by the rotation of a rotor 3, a light transmitter 6 which converts the induced voltage to an optical signal, and a solar cell 9 which supplies power to the light transmitter 6 are molded in one piece with an insulation material 12 or are housed in an explosion-proof case 19 and an optical fiber 10 which transmits light which is directed to a light-receiving surface of a light cell 9 from the outside and an optical fiber 11 which transmits light signal of the light transmitter 6 are connected.

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