Powder coating apparatus

Powder coating apparatus

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PATENTSGRANTED In the Metal Finishing Field Printed copies of patents are furnished by the Patent and Trademark Office for $3.00 each. Address orders to: Commissioner of Patents and Trademarks, Washington, D.C. 20231.

Multilayered Printed Wiring Board May 21, lYY6 U.S.Patent 5,517,75&I.

T: liJakamura,assignor to Matsushita Electric

industrial Co. Ltd., Osaka, Japan

A method for plating a conductive layer on an insulating resin layer, comprising dry sandblasting abrasives onto a surface of the insulating resin layer; removing the abrasives from the surface of the insulating resin layer, wherein the removing step comprises an ultrasonic cleaning step; chemically etching the surface of the insulating resin layer subjected to the dry sandblasting treatment; and plating the conductive layer on the surface of the insulating resin layer subjected to the chemical etching.

Etching Molybdenum U.S. Patent 5,518,131. May 21, 1996 H.H. Chen et al, assignors to IBM Cop., Armor& N.Y: A method of etching molybdenum

comprising providing a molybdenum article to be etched with a resistive coating covering all but desired feature areas, which feature areas do not have a resistive coating and are exposed for etching; etching the feature areas with an etchant selected from the group consisting of ferric sulfate and ferric ammonium sulfate; and rinsing with water.

Electrostatic Spraying Apparatus U.S. Patent 5,518,186. May 21, 1996 R. Weinstein,[email protected] to Asahi .%ac Cop., Japn A voltage block device for receiving a conductive coating material at substantially ground potential and for dispensing the coating material to an electrostatic spray head, which, when actuated, is charged by a power supply.

Powder Coating Apparatus U.S.Patent 5,518,344. May 21, 1996 W.S. Miller et al, assignors to Nordson Corp.,

Mass. An abrasive tool comprising a core having a plurality of peripheral surface sections defined by radial slots in the core; and a plurality of abrasive segments attached to the peripheral surface sections, each abrasive segment comprising abrasive grain and a bond material.

Water-Based Paint U.S.Patent 5,518,535. May 21,

1996 I?‘T: Boaz, assignor to Ford Motor Co., Dearborn,

Mich.

A water-based paint composition, which has excellent adhesion to glass, comprising water-soluble sodium silicate forming 20 to 40% by weight; 5 to 25% water; watersoluble base in an amount sufficient to provide the composition with a pH of at least 10.5; finely divided metal oxide powder selected from the group consisting of oxides of copper, iron, nickel, cobalt, and mixtures thereof forming 25 to 40% of the composition and having a particle size less than 7 microns; and zinc oxide forming 2 to 10% of the composition.

Multilayered Printed Wiring Board U.S. Patent 5517,758. May 21, 1996

7: Nakamura, assignor to Matsushita Nectric industrial Co. Ltd., Osaka, Japan

A method for plating a conductive layer on an insulating resin layer, comprising dry sandblasting abrasives onto a surface of the insulating resin layer; removing the abrasives from the surface of the insulating resin layer, wherein the removing step comprises an ultrasonic cleaning step; chemically etching the surface of the insulating resin layer subjected to the dry sandblasting treatment; and plating the conductive layer on the surface of the insulating resin layer subjected to the chemical etching.

Westlake, Ohio An apparatus for unloading powder from a plastic liner within a box-shaped container.

Superabrasive Tool U.S. Patent 5,518,443. May 21, 1996 K.S. Fisher; assignor to Norton Co., Worcester, 110

Etching Molybdenum U.S. Patent 5,578,131. May 21, 7996 H.H. Chen et al, assignors to BM Corp., Armonk, N. y.

A method of etching molybdenum comprising providing a molybdenum ar-

ticle to be etched with a resistive coating covering all but desired feature areas, which feature areas do not have a resistive coating and are exposed for etching; etching the feature areas with an etchant selected from the group consisting of ferric sulfate and ferric ammonium sulfate; and rinsing with water.

Electrostatic Spraying Apparatus U.S. Patent 5,518,186. May 21, 1996 Ft. We&ein,as#ncftoAs&iSunacCq,Japan

A voltage block device for receiving a conductive coating material at substantially ground potential and for dispensing the coating material to an electrostatic spray head, which, when actuated, is charged by a power supply.

Powder Coating Apparatus U.S. Patent 5,518,344. May 27, 7996 KS. Miller et al, assignors to Nordson Corp.,

Westlake, Ohio An apparatus for unloading powder from a plastic liner within a box-shaped container.

Superabrasive Tool U.S. Patent 5,516,443.May 21, 1996 KS. Fishec ass&w to A&WI Co., Worcester;Mass An abrasive tool comprising a core having a plurality of peripheral surface sections defined by radial slots in the core; and a plurality of abrasive segments attached to the peripheral surface sections, each abrasive segment comprising abrasive grain and a bond material.

Water-Based Paint U.S. Patent 5,518,535. May 21, 1996 P.T: Boaz, assignor to Ford Motor Co., Dearborn, Mich.

A water-based paint composition, which has excellent adhesion to glass, comprising water-soluble sodium silicate forming 20 to 40% by weight; 5 to 25% water; watersoluble base in an amount sufficient to provide the composition with a pH of at least 10.5; finely divided metal oxide powder selected from the group oxides of copper, iron, nickel, cobalt, mixtures thereof forming 25 to 40% METAL

FINISHING

.

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