RALOGEN ADDlTlVES FOR ALRALINE COPPER USE FOR PlATlNG ZINC DIE CASTINGS U.S. Patent 6054,037. Apr. 25, 2000 S. Martin, assignor to Enthone-OMI Inc., Warren, Mich.

A process for electroplating of ad- herent copper onto a zinc sub- strate from a cupric electroplating bath, consisting essentially of pro- viding a phosphonate-based cu- pric electrolyte bath, including an effective concentration of halogen ions for allowing electroplating of cuprous copper onto a zinc sub- strate from the substantially cu- pric electrolyte bath, providing a zinc cathode workpiece and an an- ode for electroplating from the bath; and providing an electro- plating current between the an- ode and zinc cathode workpiece for electroplating an adherent copper plate onto the zinc cath- ode.

COMPOSITE CHROMIUM PLATING FILM U.S. Patent 6054,225. Apr. 25, 2000 A. Harayama and T. Imai, assignors to Teikoku Piston Ring Co. Ltd., Tokyo

A composite chromium plating film containing hard particles in a network of cracks formed in a hard chromium plating film, wherein the hard particles are spherical particles, the average size is 0.7 to 10 pm, and the dis- persion ratio is 3 to 15% by vol- ume.

RADIATION-CURABLE COATlNG U.S. Patent 6,054,502. Apr. 25,200O C.B. Friedlander and D.A. Diehl, assignors to PPG Industries Ohio Inc., Cleveland

A radiation-curable composition based on unsaturated polyesters and compounds having at least two vinyl ether groups.

POWDER COATlNG FEEDER U.S. Patent 6,056,483. May 2, 2000 A. Nakamura et al., assignors to Nihon Parkerizing Co. Ltd., Tokyo

A powder coating material feed- ing apparatus comprising a lid section mounted to the opening of a metal drum; a support unit for holding the metal drum in an up- side-down position or a tilted po- sition so that the lid section faces downward; a conveying hose con- nected to the drain port of the lid section; and a unit for supplying fluidizing air into the metal drum via the porous plate in the lid sec- tion to drain the powder coating material through the drain port in the lid section and for supplying carrier air in the conveying hose to transfer the powder coating material.

WATERBORNE BASECOAT COMPOSlTlON U.S. Patent 6,057,400. May 2, 2000 L.F. Kinney and S.K. Golas, assignors to The Sherwin-Williams Co., Cleveland

An aqueous coating composition comprising a clear dispersion of polyurethane resin based on an aliphatic polyether; at least one pigmented dispersion; at least one pigment; and water.

PEENING APPARATUS U.S. Patent 6,058,584. May 9, 2000 T. Matsuyama et al., assignors to Honda Giken KK, Tokyo

An apparatus for increasing the strength of a surface of a metal component comprising a mecha- nism for impelling a mixed stream of glass beads and a liquid toward the metal component to increase the strength of a surface of the metal component.

PROCESS FOR TREATING ALUMINIFEROUS MlZALS U.S. Patent 6,059,896. May 9,200O R. Ehara et al., assignors to Henkel Corp., Gulph Mills, Pa.

An aqueous liquid composition for treating the surface of aluminifer-

ous metals, either as such or after dilution with additional water, said composition comprising wa- ter and in parts by weight 1 to 100 parts of dissolved phosphate ions; an amount of material selected from the group consisting of dis- solved zirconium, titanium, or both, an amount of material se- lected from the group consisting of dissolved fluorine-containing anions that is stoichiometrically equivalent to from 1 to 100 parts of fluorine atoms; and 1 to 200 parts of dissolved polymer.

APPARATUS FOR PROFIUNG A CONVEYOR OVEN U.S. Patent 6,062,728. May 16,200O R.L. Breunsbach and P.M. Austen, assignors to Electronic Controls Design Inc., Milwaukie, Ore.

An oven analyzer for profiling a conveyor oven comprising a pallet having a length and a width sized for passing through the conveyor oven; at least a first temperature sensor mounted on the pallet for providing temperature informa- tion associated with an air tem- perature within the conveyor oven; a plurality of metal masses mounted across the pallet that are used to determine the con- veyor oven’s ability to heat the metal masses; and at least a sec- ond temperature sensor mounted to at least one of the metal masses that detects the temperature of the at least one metal mass.

ROTATABLE BLAST CLEANING APPARATUS U.S. Patent 6,062,956. May 16,200O C.P. Elliott, assignor to U.S. Filter1 Wheelabrator (Canada) Inc., Oakville, Can.

A blast cleaning apparatus com- prising a blast cleaning chamber; a conveying means; a blast clean- ing means located below the con- veying surface and oriented to di- rect abrasive cleaning material upwardly at the workpiece; and supply means located above the

126 Metal Finishing