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dipping time of from 0.5 to 1.5 min, said second zinc bath consisting essentially of zinc and from 2 to 10% by weight of aluminum. Continuous Hot Dip Process U.S. Patent 5,529,816. June 25, 1996 R.J. Sartini et aL, assignors to Norsk Hydro A.S., Oslo, Norway A process for continuously coating an alu- minum-base profile with a zinc-base alloy. Alkyd Coatings U.S. Patent 5,530,059. June 25, 1996 W.W. Blount and T. Kuo, Kingsport, Tenn. A coating composition comprising 10- 50% weight of a water-dissipatable alkyd resin; 10-50% water; 0-20% of a water- soluble organic solvent; and 0-30% of a crosslinking agent. Shot Blasting Device U.S. Patent 5,531,263. July 2, 1996 M. Yamamoto et aL, assignors to Sintokogio Ltd., Aichi, Japan An oscillating trough for shotblasting having a workpiece transfer portion where workpieces are turned over and transferred downstream to a workpiece discharging portion. Spray Gun U.S. Patent 5,531,384. July 2, 1996 R.H. Greene et aL, Wetherby, Leeds, United Kingdom A container of fluid for electrostatic spraying for replaceable reception in al! electrostatic spray gun having a housing for the container, a forward part from which the fluid is to be sprayed, means for expel- ling fluid from the container, and a high- voltage generator for applying electrostatic potential to the fluid to form an electrically charged atomized spray. Regenerative Thermal Oxidizer U.S. Patent 5,531,593. July 2, 1996 J.M. Klobucar, assignor to Durr Industries Inc., Plymouth, Mich. A regenerative thermal oxidizer com- prising a combustion chamber; at least two heat exchangers, each having a heat ex- changer passage leading into the combus- tion chamber, and having a heat transfer column located therein. Blast Cleaning Process U.S. Patent 5,531,634. July 2, 1996 P. Schott, Perth Amboy, N.J. A method for blast cleaning a solid sur- face using an abrasive composition of cal- cium carbonate. Composition and Method for Treatment of Phosphated Metal Surfaces U.S. Patent 5,531,820. July 2, 1996 G.J. Gorecki, assignor to Brent America Inc., La Mirada, Calif. A rinse solution for the treatment of conversion-coated metal substrates for im- proving the adhesion and corrosion resis- tance of siccative coatings, comprising an aqueous solution of a Group IVA metal ion selected from the group consisting of zir- conium, titanium, hafnium, and mixtures thereof, and an organosilane in a concen- tration of 0.1-7.0% by weight and selected from the group consisting of methyltri- methoxysilane, phenyltrimethoxysilane, and mixtures thereof, with the Group IVA metal ion concentration selected to provide a pH for the solution about 2.0 to 9.0. dump another an0amng tank! The new AnoPur TM system uses proven Recoflo® sorption technology to remove aluminum from anodizing solutions continuously and automatically - at about half the cost of other purification systems. • No more downtime for tank dumping • Reduced waste treatment and disposal costs • Precise control of chemistry and product quality • 50% + reduction in acid consumption AnoPur is compact, self contained, ready to run. Five models. Call (905) 427-0077 Fax: (905) 427-4477 ( eco-Tec 1145 Squires Beach Road Picketing, Ontario Canada L1W 3T9 Circle 026 on reader information card Low Concentration VOC Abatement Munters Zeol Rotor Concentrator Systems Find out how Munters Zeol's HoneyCombe ® zeolite technology can keep you ahead of your process . I I1. • Low ( & Op~ • High • Small • Minin • 1,00C • Opti01 79Ze°l DMsion- Munters Corp.Monroe Street Munter s Amesbury,MA 01913 INCENXIW GROUP Fax: (508) 388-5553 WWW: http://www, rnu nters.com/zeol Circle 060 on reader information card METAL FINISHING ° MARCH 1997 93
