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mixing system for electrically con- S.E. Dolan et al., assignors to ductive coating materials. Henkel Corp., Gulph Mills, Pa. CONTROL VALVE BUSHING U.S. Patent 5,947,446. Sept. 7, 1999 M.H. Tinklepaugh, assignor to New York Air Brake Corp., Watertown, N. Y. A pneumatic brake control valve comprising a housing; a bushing in the housing; a piston and valve element combination moving within the bushing and including at least one seal riding on a sur- face of the bushing without lubri- cation; wherein the bushing is comprised of aluminum having an anodized surface with a Teflon layer at least where the valve el- ement’s seal rides. PAINT MIXING APPARATUS U.S. Patent 5,947,598. Sept. 7, 1999 J.T. Dedoes, Brighton, Mich., assignor to Dedoes Industries, Inc., Walled Lake, Mich. Automatic paint stirring equip- ment with improved driving means. PROTECTIVE COATING FOR METAL U.S. Patent 5,948,178. Sept. 7, 1999 An aqueous liquid treatment com- position for forming a protective coating on metal surfaces con- tacted therewith made by reaction among cobalt(H) cations; a molar concentration of carboxylate an- ions that is 0.4 to 4.0 times the molar concentration of cobalt(I1) cations; chemical species, exclu- sive of carboxylate anions that form more stable coordination bonds with cobalt(II1) cations than with cobalt(I1) cations; and an oxidizing agent. SPUTTERING APPARATUS U.S. Patent 5,948,215. Sept. 7, 1999 A.D. Lantsman, assignor to Tokyo Electron Limited, Tokyo An ionized physical deposition method comprising creating a main plasma in a vacuum cham- ber and sputtering a target there- with to produce particles of coat- ing material in a space between the target and a substrate to be coated; with a coil surrounding the space and through a dielectric material interposed between the High-Energy Vibratory Bowl ICLS-BOO) Centrifugal Disc IEFF-105~SAI I” A Upton.. .Combining technology and tradition to meet tomorrow’s finishing standards. To find out more, C a I I u s t o d a y ‘I -800-344-0776 Tipton US Corp. 8411 Seward Rd., Hamilton, OH 45011 Circle 044 on reader information card coil and the space, inductively coupling RF energy from the coil through the dielectric material and into a volume of the space between the substrate and the main plasma to energize with the coupled RF energy a secondary plasma in the volume and ioniz- ing particles of the coating mate- rial in the volume with the sec- ondary plasma; while the main plasma crating step is being per- formed and with a shield spaced from the dielectric material and positioned between the space and the dielectric material, physically shielding the dielectric material from particles of coating material without electrically shielding the volume from the RF energy; and electrically directing ionized par- ticles of coating material from the volume onto the substrate. ELECTRODEPOSITABLE COATlNG COMPOSITlON U.S. Patent 5,948,229. Sept. 7, 1999 R.R. Zwack, et al., assignors to PPG Industries Inc., Cleveland An electrodepositable composition comprising an active hydrogen- containing cationic resin; a capped polyisocyanate curing agent; an or- ganotin-containing catalyst se- lected from the group consisting of dioctyltin oxide and dibutyltin ox- ide; and a water-immiscible acid having a carbon chain of at least five carbon atoms. TIN-SILVER ALLOY PLATING BATH U.S. Patent 5,948,235. Sept. 7, 1999 S. Arai, assignor to Naganoken and Shinko Electric Industries Co., Ltd., both of Nagano, Japan A method of plating comprising forming a resin layer on a surface of a work; forming the resin layer into a prescribed pattern as a plating mask; and executing elec- trolytic plating on the surface of the work in a tin-silver alloy plat- ing solution comprising a tin com- pound; a silver compound; at least 78 Metal Finishing

Protective coating for metal

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mixing system for electrically con- S.E. Dolan et al., assignors to

ductive coating materials. Henkel Corp., Gulph Mills, Pa.

CONTROL VALVE BUSHING

U.S. Patent 5,947,446. Sept. 7, 1999 M.H. Tinklepaugh, assignor to New York Air Brake Corp., Watertown, N. Y.

A pneumatic brake control valve comprising a housing; a bushing in the housing; a piston and valve element combination moving within the bushing and including at least one seal riding on a sur- face of the bushing without lubri- cation; wherein the bushing is comprised of aluminum having an anodized surface with a Teflon layer at least where the valve el- ement’s seal rides.

PAINT MIXING APPARATUS

U.S. Patent 5,947,598. Sept. 7, 1999 J.T. Dedoes, Brighton, Mich., assignor to Dedoes Industries, Inc., Walled Lake, Mich.

Automatic paint stirring equip- ment with improved driving means.

PROTECTIVE COATING FOR METAL

U.S. Patent 5,948,178. Sept. 7, 1999

An aqueous liquid treatment com- position for forming a protective coating on metal surfaces con- tacted therewith made by reaction among cobalt(H) cations; a molar concentration of carboxylate an- ions that is 0.4 to 4.0 times the molar concentration of cobalt(I1) cations; chemical species, exclu- sive of carboxylate anions that form more stable coordination bonds with cobalt(II1) cations than with cobalt(I1) cations; and an oxidizing agent.

SPUTTERING APPARATUS

U.S. Patent 5,948,215. Sept. 7, 1999 A.D. Lantsman, assignor to Tokyo Electron Limited, Tokyo

An ionized physical deposition method comprising creating a main plasma in a vacuum cham- ber and sputtering a target there- with to produce particles of coat- ing material in a space between the target and a substrate to be coated; with a coil surrounding the space and through a dielectric material interposed between the

High-Energy Vibratory Bowl

ICLS-BOO)

Centrifugal Disc IEFF-105~SAI

I” A Upton.. .Combining technology and tradition

to meet tomorrow’s finishing standards.

To find out more, C a I I u s t o d a y

‘I -800-344-0776

Tipton US Corp.

8411 Seward Rd., Hamilton, OH 45011

Circle 044 on reader information card

coil and the space, inductively coupling RF energy from the coil through the dielectric material and into a volume of the space between the substrate and the main plasma to energize with the coupled RF energy a secondary plasma in the volume and ioniz- ing particles of the coating mate- rial in the volume with the sec- ondary plasma; while the main plasma crating step is being per- formed and with a shield spaced from the dielectric material and positioned between the space and the dielectric material, physically shielding the dielectric material from particles of coating material without electrically shielding the volume from the RF energy; and electrically directing ionized par- ticles of coating material from the volume onto the substrate.

ELECTRODEPOSITABLE COATlNG COMPOSITlON

U.S. Patent 5,948,229. Sept. 7, 1999 R.R. Zwack, et al., assignors to PPG Industries Inc., Cleveland

An electrodepositable composition comprising an active hydrogen- containing cationic resin; a capped polyisocyanate curing agent; an or- ganotin-containing catalyst se- lected from the group consisting of dioctyltin oxide and dibutyltin ox- ide; and a water-immiscible acid having a carbon chain of at least five carbon atoms.

TIN-SILVER ALLOY PLATING BATH

U.S. Patent 5,948,235. Sept. 7, 1999 S. Arai, assignor to Naganoken and Shinko Electric Industries Co., Ltd., both of Nagano, Japan

A method of plating comprising forming a resin layer on a surface of a work; forming the resin layer into a prescribed pattern as a plating mask; and executing elec- trolytic plating on the surface of the work in a tin-silver alloy plat- ing solution comprising a tin com- pound; a silver compound; at least

78 Metal Finishing