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clean the metal surface and regenerating the solution by Subjecting it to ultrafiltration.
Water-Based Aliphatic Polyurethane Coating U.S. Patent $352,733. Oct. 4, 1994 RI. Hart, assignor to RI. Hart Labs Inc., Irvine, Calif
A water-based, solvent-free, two-compo- nent polyurethane-polyurea dispersion hav- ing a solids content of up to 65% by weight comprising the reaction product of an organic solvent-free polyester-polyol blend/amine blend aqueous phase compo- nent and a 100% solids aliphatic polyisocy- anate.
Powder Spray Gun U.S. Patent5,351,903. &t. 4, 1994 R. Ma&as and S. Conothers, assignors to Russell Mazakas, Ontario, Calif.
An electrostatic powder paint gun with trigger control variable voltage.
Bearing Races U.S. Pafenf5,352,046. Oct. 4, 1994 P.C. Ward, assignor to MPB Corp., Keene, N.H.
Corrosion-resistant zinc-nickel plated bearing races.
Overspray Collection Baffle U.S. Pafent5,352,257. &t. 4, 1994 H. R. Powers, assignor to The Sherwi~Williams Co., Cleveland
A baffle arrangement for removing parti- cles from an air stream passing there- through.
Through-Hole Plating Process U.S. Patent5,352,325. CM 4, 1994 Y Kato, assignor fo Eastern Co. Ltd., Chino, Japan
A method of forming through holes in printed wiring board substrates.
Method and Apparatus for Physical Vapor Deposition of Material Layers U.S. Patent 5,354,443. Oct. 11, 1994 M. M. Moslehi, assignor to Texas lnstfuments Inc., Da//as
An apparatus for physical vapor deposi- tion of material layers, comprising a dis- tributed electron cyclotron resonance (ECR) microwave plasma processing de- vice having a process chamber and a plasma formation region; a target stage connected to the said plasma processing
device, said target stage having a sputtering target material in fluid communication with the said process chamber.
Powder Spray Device U.S. Pateni5,353,995. Oct. 11, 1994 P. Chabert, ass&r to Sames S.A., Meylan, France
A device with rotating ionizer head for electrostatically spraying a powder coating product.
Vacuum Coating Apparatus U.S. Patent5,354,380. Oct. 11, 1994 J. Zejda, assignor to Leybold AG
An apparatus for the insertion and removal of a mask through the airlock of a vacuum coating apparatus.
Electrocoating Composition U.S. Patent5,354,441. Oct. II, 1994 K Mafsuo et al., assignors to Shinto Paint Co. Ltd., Amagasaki, Japan
A method comprising forming a coating film by the use of a coating composition and further subjecting the coating film to electrodeposition coating, said coating con- taining a resin and fine particles of an electrically semiconductive substance pre-
Specializing in Nondestructive
Coating Thickness
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Circle 068 on reader information card
J All polypropylene construction
J Magnetic drive pump J High efficiency, horizontal
disc filtration J Variety of filter media
J Optional slurry tank for easy precoating
J Precoated flow from 565 to 1400 gph
160Cassell Road,Harleytille,PA19438USA,(215)721-6030,FAX(215)723-6758
Circle 034 on reader information card
METAL FINISHING . MAY 1995 79