Carbon Dioxide Cleaning Nozzle Coating Composition U.S. Patent 5,545,073. Aug. 13, 1996 U.S. Pafenf 5,545,253. Aug. 13, 1996 L.L. Kneisel et al., assignors to Ford Motor Co., R. Edelmann et al., assignors fo HI% AG, Marl. Dearborn, Mich. Germany

A method for cleaning a workpiece with abrasive carbon dioxide snow.

Abrasive Blasting System U.S. fafenf 5,545,074. Aug. 13, 1996 PT Jacobs, Map/e Valley, Wash.

A binder composition for zinc dust paints, said binder composition comprising a silicic acid ester, curing agent, and an antideposition agent.

A method for recovering and reusing water in a wet abrasive blasting system.

Painting Installation U.S. Patent 5545,239. Aug. 13, 1996 A. Cordier, assignor to Air lndusfrie Sysfems . A./. S., Courbevoie, France

Pickling Installation U.S. Patent 5,545,260. Aug. 13, 1996 H. Gtirfner et al, assignors to SMS Schloemann- Siemag AG, Dikseldorf, and Keramchemie GmbH, Siershahn, bofh of Germany

A painting installation comprising an en- closure having an inside portion, a perfo- rated floor, a device for causing air flow within the inside portion of the enclosure so that it becomes charged with excess paint and passes downwards inside the en- closure and through the perforated floor, collecting means disposed below the per- forated floor, and a source for providing washing water to at least the perforated floor.

A method of operating a pickling instal- lation for rolled strips, comprising provid- ing several consecutively arranged basins filled with pickling agent containing acid; passing the strip through the basins; pro- viding injection nozzles; injecting a pick- ling agent containing acid through the in- jection nozzles; and variably actuating the injection nozzles for varying a quantity of the pickling agent and a nozzle exit veloc- ity of the pickling agent, in order to achieve an optimum swirling on upper and lower sides of a strip to be pickled.

Metal Part Wear-Resistant Method U.S.Pafenf 5,545,268. Aug. 13, 1996 T Yashiki ef al., assignors to KK Kobe Seiko She, Kobe, Japan

A method of manufacturing a surface- treated metal member with excellent resis- tance against sliding wear, rolling wear, line wear, and wear fatigue. comprising applying nickel-phosphorus electroplating on the surface of a metal base member to form an electroplate surface and heat treat- ing for 0.1-l hr at 500-600°C; shot peen- ing fine particles without sharp comers and having an average particle size of 10-400 pm.

Process for Patterned Electroplating lJ.S.fafenf 5,545,307. Aug. 13, 1996 SK. Doss ef al., assignors to BM Corp., Armor& N. y.

A process for patterned electroplating onto a substrate comprising forming a first layer of aminoalkylpyridine on the sub- strate; coating the first layer with a radia- tion-sensitive polymeric film; pattemwise exposing the film to radiation; developing

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If you have a historic parts cleaning problem, we’ve proba- bly had some experience clean- ing a similar part or material. Since 1951 tilue Wave has been applying the power of ultrasonic cavitation to cleaning aluminum, brass, ceramics, cop per, glass, iron, nickel, plastics, printed circuit boards, steel, zinc and others.

If you have a new or on- going cleaning problem, let Blue Wave make it a thing of the past. Call us at 1-800-373-0144.

%OS.RolffStreet Dawnpoft IA 52802 phone: l-319-322-0144 Fax: l-319-322-7180 See Us At WESTEC, Booth 4237,

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METAL FINISHING . APRIL 1997