of zirconium nitride, zirconium carbide, and zirconium carboni- tride or titanium compound se- lected from the group consisting of titanium nitride, titanium car- bide, and titanium carbonitride; and an eighth layer comprised of zirconium oxide or titanium oxide having a thickness at least effec- tive to provide improved acid re- sistance.

GLOSS EMULSION PAINTS

U.S. Patent 5,952,404. Sept. 14, 1999 L.A. Simpson et al., assignors to Tioxide Group Services Limited, London

An aqueous gloss emulsion paint comprising a dispersion of com- posite particles consisting essen- tially of an association of at least one particle of an inorganic pig-

ment with at least one polymeric particle.

COATING DRYER SYSTEM

U.S. Patent 5,953,833. Sept. 21, 1999 P.D. Rudd, assignor to Research Inc., Eden Prairie, Minn.

A system for drying a coating ap- plied to a substrate comprising a substrate support; a blower as- sembly for directing a current of air toward the substrate; a heater assembly for heating the air being directed toward the substrate; and a vacuum passageway ex- tending between the substrate and the inlet of the blower assem- bly for returning the heated air to the blower assembly once the air has impinged upon the substrate.

ROTARY ATOMIZER

U.S. Patent 5,954,275. Sept. 21, 1999 K. Honma and I. Yamasaki, assignors to Toyota Jidosha, Toyota, Japan

A rotary atomizing electrostatic coating apparatus comprising a housing; an atomizing head dis- posed on a front side of the said housing; an air motor constructed and arranged to drive the atomiz- ing head; an air cap having a plu- rality of shaping air nozzles formed therein; a plurality of pat- tern control air nozzles.

ABRASIVE ARTICLE

U.S. Patent 5,954,844. Sept. 21, 1999 K. W. Law et al., assignors to Minnesota Mining & Manufacturing Co., St. Paul, Minn.

An abrasive article comprising a

Design l Manufacture l Repair Plating Equipment, Plating Racks,

PCB Racks, Teflon Tipped Thumb Screws, Anode Baskets, Anode Bags, Stainless Steel Baskets,

Black Oxide Baskets, Lead and Carbon Anodes, Plating and Masking Tapes, Tanks,

Tank Liners, Barrels and Waste Water Treatment.

Material Handling Equipment Carts, Baskets,Trays, Metal Fabrication and

Welding, Light Machine Work, Castings, PVC Coating and Sandblasting.

Let us be part of your team to a winning finish!

5730 Paloma Avenue Los Angeles, California 90011

Tel: (323) 234-0604 Fax: (323) 234-2675 www.westcoastrack.com

Servicing the United States, Canada and Mexico

Circle 081 on reader information card

I Ultra high-temperature masks withstand temperatures of 500” F and 600” F intermittently. I

PO Box 80665, 49308. 380 South Street

(248) 651.4477 . FAX (249) 651-4495 E-mail: sales@harmancorp.com

Circle 077 on reader information card

92 Metal Finishing

backing having a major surface; a plurality of abrasive particles; a binder, which adheres the plural- ity of abrasive particles to the ma- jor surface of the backing; and an antiloading component.

ROLLER SUPPORT DEVICE IN MOLTEN METAL PLATING BATH

U.S. Patent 5,954,880. Sept. 21, 1999 A. Aoki et al., assignors to NSK Ltd., Tokyo and Sumitomo Metal Industries, Ltd., Osaka

A roller support device in a mol- ten metal plating bath comprising a roller disposed in the molten metal plating bath; a shaft pro- jecting from a central portion of an end side of the roller and ex- tending axially and concentrically with the roller; at least one rolling bearing assembly.

COMPOSITION FOR COATING

REMOVAL

U.S. Patent 5,954,890. Sept. 21, 1999 P.E. Smith et al., assignors to Eldorado Chemical Co. Inc., San Antonio

A method of rendering a poly- meric coating on a surface soft- ened to release at about ambient temperature comprising applying a composition consisting of hydro- gen peroxide or organic peroxide, benzyl alcohol, N-methyl pyrroli- done, water, a corrosion inhibitor, and a thickener; the composition having a pH of 6.5 to 11.0.

ZINC PHOSPHATE COATlNG

U.S. Patent 5,954,892. Sept. 21, 1999 E.M. Musing0 and C.R. Ike, assignors to Bulk Chemicals Inc., Reading, Pa.

A method for forming a zinc phos-

DOES YOUR POWDER Boom DO BACKFLIPS?

I At Deimco you don’t pay high prices for

features you don’t need-

INCLUDING BACKFLIPS.

Benefits: . Coats small parts in a variety of situations . Economical operation . Self-contained www.deimco.com l Compact design

Automatic, Manual, & Walk-Zn Powder Systems Chain-On-Edge Systems . Support Equipment

n T

Circle 019 on reader information card

phate coating on a metal surface comprising contacting with a bath comprising an aqueous solution of zinc, phosphate, nitrate, nickel, a compound containing a group IV-B element, and a fluosurfac- tant.

SILVER PLATING IN PRINTED CIRCUIT BOARD MANUFACTURE

U.S. Patent 5,955,141. Sept. 21, 1999 A.M. Soutar and P.T. McGrath, assignors to Alpha Metals Inc., Jersey City, N. J.

A process for forming a silver coating on a surface of a first metal having a first electroposi- tivity less than an electropositiv- ity of silver comprising contacting the surface of the first metal with an aqueous composition compris- ing silver ions and a complexing

SCR (Thyristor) Power Supplies STANDARD FEATURES

Sin& and 3-chase inour.

l-2Om’A Voltage and C&t feedback (optional). Available Options.

Current Density Also available from Aldonex Pulse Output. Manual Variable Transformer Control Duration Timers with or w/o Alarm Motorized Variable Transformer Control Dual Input Voltage. Tapswitch Control Variable Ramp. Stand alone Periodic Reverse Low Output Ripple. Modular Assemblies Multiple DC Voltage Taps. Microprocessor Control Digital Volt and Amp meters.

ALDONEX, INC. 2917.19 St. Charles Rd.

Phone: (70X) 547.5663 P.O. Box 148 Fax (708) 547-5738 Bellwood, IL 60104

www.aldonex.com r-mail: Sales@aldonex.com

Circle 086 on reader information card

August 2000 93