Powder coating system
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Granted in the Metal Finishing Field Printed copies of patents are fiunished by the Patent and Trademark Office for $3.00 each. Address orders to: Commissioner of Patents and Trademarks, Washington, DC. 20231. Go to www.metalfdshing.com for more patents. POWDER COATING SYSTEM US. Patent 6,0?1,348. June 6, 2000 K. Seitz et al., assignors to Wagner International AG, Alstatten, Switzerland An electrostatic powder coating system comprising at least one coating device for delivering an electrostatically charged coating powder to a workpiece, a coating compartment through which the workpiece is fed, and a suction system for sucking off excess coat- ing powder from the coating com- partment, characterized by a measuring means for determining the powder mass flow of the coat- ing powder delivered by each of the at least one coating device, and an actuator means for setting the suction system in response to the powder mass flow. U.S. Putent 6,071,385. June 6, 2000 E.R. Lung, assignor to The Boeing Co., Sea ttZe A racking fixture for holding com- ponents while they are electro- chemically processed comprising a plurality of bus bars for supply- ing electrical current to the com- ponents, a shelf for holding the components and electrically con- nected to at least one of the plu- rality of bus bars; and a drive as- sembly electrically powdered by the plurality of bus bars and me- chanically engaged with the shelf to agitate the shelf to remove gases trapped in the component, COMPOSIIIQN FOR TREATING A ZINCIFERQUS SURFACE U.S. Patent 6,071,435. June 6, 2000 S. Komiyama et al., assignors to Henkel Corp., Gulph Mills, Pa. An aqueous liquid composition for treating the surface of zinciferous metal having a pH not exceeding 2.5 and consisting essentially of water and ions containing hexavalent chromium, trivalent chromium ions, nickel ions, phos- phoric acid, and a water-based emulsified resin. VEHICLE PWUDER COATING SYmEM U.S. Patent 6,071,558. June 6,ZUUU J.R. Shutic, assignur to Nordson Corp., WestLake, Ohio A method of applying powder coating material onto objects mov- ing through a powder spraybooth comprising using negative pres- sure in a powder collection hous- ing to transmit powder coating material through a transfer line connected between a primary hopper containing the powder coating material and the powder collection housing; transmitting powder coating material from the powder collection housing to a second hopper; and transmitting powder coating material from the second hopper to at least one pow- der spray device associated with the powder spraybooth. CONVERSION COATING OF ALUMINUM U.S. Patent 6,074,495. June 13, 2000 Y. Sung and C.L. Chang, assignors to Chung Shan Institute of Science & Technology, Taoyuan, Tuiwan A method for treating aluminum to enhance corrosion resistance of its surface, which comprises coat- ing the aluminum surface with chromate; exposing the chromate- coated aluminum surface to an aqueous polyurethane solution; and forming a polyurethane film on the chromate conversion coated aluminum surface. GLOBAL POSlTlONING FOR A PAlNT SPRAYER U.S. Putent 6,074,693. June 13,2UUU C.D.H. Manning, assignor to Trimble Navigation Ltd., Sunnyvale, Calif: A method for geographically marking a drawing pattern, com- prising determining a global posi- tion system (BPS)-based location of a nozzle; receiving print data for a drawing pattern; using a geographical reference location for converting the print data to geographical mark locations cor- responding to the drawing pat- tern; detecting a location match when said GPS-based location matches one of the geographical mark locations; and depositing a marking material onto a surface from the nozzle when the location match is detected. ALKYD PAM- U.S. Patent 6,075,088. June 13, 2000 J, Braeken, assignor to Fina Research S.A., Feluy, Belgium High-solids air-drying or semidry- ing alkyd paints comprising as binder, a conventional air-drying or semidrying long-oil or medium- oil alkyd resin; as reactive di- luent, an oligomer prepared by 76 Metal Finishing
Transcript of Powder coating system
Granted in the Metal Finishing Field Printed copies of patents are fiunished by the Patent and Trademark Office for $3.00 each. Address orders to: Commissioner of Patents and Trademarks, Washington, DC. 20231.
Go to www.metalfdshing.com for more patents.
POWDER COATING SYSTEM US. Patent 6,0?1,348. June 6, 2000 K. Seitz et al., assignors to Wagner International AG, Alstatten, Switzerland
An electrostatic powder coating system comprising at least one coating device for delivering an electrostatically charged coating powder to a workpiece, a coating compartment through which the workpiece is fed, and a suction system for sucking off excess coat- ing powder from the coating com- partment, characterized by a measuring means for determining the powder mass flow of the coat- ing powder delivered by each of the at least one coating device, and an actuator means for setting the suction system in response to the powder mass flow.
U.S. Putent 6,071,385. June 6, 2000 E.R. Lung, assignor to The Boeing Co., Sea ttZe
A racking fixture for holding com- ponents while they are electro- chemically processed comprising a plurality of bus bars for supply- ing electrical current to the com- ponents, a shelf for holding the components and electrically con- nected to at least one of the plu- rality of bus bars; and a drive as- sembly electrically powdered by the plurality of bus bars and me- chanically engaged with the shelf to agitate the shelf to remove gases trapped in the component,
COMPOSIIIQN FOR TREATING A ZINCIFERQUS SURFACE
U.S. Patent 6,071,435. June 6, 2000 S. Komiyama et al., assignors to Henkel Corp., Gulph Mills, Pa.
An aqueous liquid composition for treating the surface of zinciferous metal having a pH not exceeding 2.5 and consisting essentially of water and ions containing hexavalent chromium, trivalent chromium ions, nickel ions, phos- phoric acid, and a water-based emulsified resin.
VEHICLE PWUDER COATING SYmEM U.S. Patent 6,071,558. June 6,ZUUU J.R. Shutic, assignur to Nordson Corp., WestLake, Ohio
A method of applying powder coating material onto objects mov- ing through a powder spraybooth comprising using negative pres- sure in a powder collection hous- ing to transmit powder coating material through a transfer line connected between a primary hopper containing the powder coating material and the powder collection housing; transmitting powder coating material from the powder collection housing to a second hopper; and transmitting powder coating material from the second hopper to at least one pow- der spray device associated with the powder spraybooth.
CONVERSION COATING OF ALUMINUM U.S. Patent 6,074,495. June 13, 2000 Y. Sung and C.L. Chang, assignors to Chung Shan Institute of Science & Technology, Taoyuan, Tuiwan
A method for treating aluminum
to enhance corrosion resistance of its surface, which comprises coat- ing the aluminum surface with chromate; exposing the chromate- coated aluminum surface to an aqueous polyurethane solution; and forming a polyurethane film on the chromate conversion coated aluminum surface.
GLOBAL POSlTlONING FOR A PAlNT SPRAYER U.S. Putent 6,074,693. June 13,2UUU C.D.H. Manning, assignor to Trimble Navigation Ltd., Sunnyvale, Calif:
A method for geographically marking a drawing pattern, com- prising determining a global posi- tion system (BPS)-based location of a nozzle; receiving print data for a drawing pattern; using a geographical reference location for converting the print data to geographical mark locations cor- responding to the drawing pat- tern; detecting a location match when said GPS-based location matches one of the geographical mark locations; and depositing a marking material onto a surface from the nozzle when the location match is detected.
ALKYD PAM- U.S. Patent 6,075,088. June 13, 2000 J, Braeken, assignor to Fina Research S.A., Feluy, Belgium
High-solids air-drying or semidry- ing alkyd paints comprising as binder, a conventional air-drying or semidrying long-oil or medium- oil alkyd resin; as reactive di- luent, an oligomer prepared by
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