contain chromium or fluorine, and consists essentially of water and l-30 g/L of phosphate ions; 0.1-5 g/L of condensed phosphate ions if used for tin-plated steel or 0.1-10 g/L or condensed phosphate ions if used for aluminum or aluminum alloy; 0.1-20 g/L as solids of a water-soluble resin component; and a chelating agent.

Multicoat Protective and/or Decorative Coatings U.S. PaM5,370,910. Dec. 6, 1994 KD. Hi//e et a/., assignors to BASF La&e + Farben AG, unsfer, Germany

A process for the production of a multicoat coating on a substrate surface comprising applying an aqueous dispersion of a base coat composition, which includes a polyurethane resin; a pigment; applying a top coat composition to the base coat; and baking the top coat and base coat.

Electroless Plated Aramid Surfaces U.S. Pafenf5,370,934. Dec. 6, 1994 RR. Burch ef al., assignors to El. DIJ font de Nemoufs & Co., Wilmingfon, Del.

An aramid fiber having a metal coating strongly adhered thereto wherein material,

which forms the surface of the aramid fiber, consists essentially of 70-98 weight per- cent, poly(p-phenylene terephthalamide) and 2-30 weight percent, polyvinyl pyrro- lidone.

Aqueous Coating Compositions from Polyethylene Terephthalate U.S. pafenf 5371,112. Dec. 6, 1994 DR. Sayre et al., assignors to The SherwinWilliams Co., Cleveland

An aqueous coating composition com- prising the reaction product of polyethylene terephthalate with a member of the group consisting of acid- and anhydride-func- tional materials; followed by the reaction with an alcohol; wherein the resultant composition is neutralized with a weak base and added to water.

Blasting Apparatus for Pipe U.S. Pafanf5,371,972. Dec. 13, 1994 S. E. Monkey, Calgary, and G.N. Fran&y, Lisle, assignors to Sbaw lndusfries Ltd., Rexdale, Canada

Apparatus for preparing the surface of steel pipe for coating comprising means for conveying pipe longitudinally along a con-

ALL PLATING SOLUTIONS

ACCURATELY

AUTOMATICALLY IN 2 MINUTES

USING A BREAKTHROUGH

TECHNOLOGY

See us at SUR/FIN - Booth #1420

Circle 126 on reader information card

veying axis; first and second particulate blasters spaced apart along the path for blasting the surface of the pipe; and a wire brush element disposed between the blas- ters, with means for rotating to abrade off substantially all surface anomalies from the pipe and provide a substantially smoothly curved abraded pipe surface.

High Solids Paint Viscometer U.S. Pafenf5,372,034. Dec. 13, 1994 I,/, Burke, assignor to FMC Cop., Chicago

An apparatus for measuring the viscosity of a fluid, comprising a cup with an inside and an outside, and with a bottom and top, with an orifice in the bottom of the cup; a handle mechanically connected to the cup; and a first tube extending to the inside of the cup wherein the tube surrounds the orifice.

Zinc Phosphate Coating U.S. Pafenf5,372,656. Dec. f3, 1994 J. Riesop, assignor fo Her&e/ KG, Duesseldorf, Germany

A process for phosphating a steel strip, which has been galvanized electrolytically, by melt immersion, or both electrolytically

PLATING METALS/CHEMICALS ?? Nickel - 1 x i’s, R Rounds,

S Rounds, Bars ?? Cadmium - Balls, Anodes,

Dust, Powder

?? Zinc - Balls, Anodes, Dust, Powder

?? Copper, Tin, Solder Anodes

?? Copper, Tin Powder, Dust ?? Complete Line of Plating

Chemicals

Is b

Kraft Chemical Company 1975 North Hawthorne Avenue, Melrose Park, IL 60160 312/345-6210

See us at SURF/N ‘95, So& ilti3.21

Circle 158 on reader intonation card

160 METAL FINISHING . JUNE 1995