1
Method of Plating Steel U.S. Patent $399,217. Mar. 21, 1995 A. Yoshino et al., assignors to Daidousanso Co. Ltd., Japan A method of plating steel for forming a plating coat on steel having an oxide layer on a surface thereof, comprising holding the steel works in an atmosphere of fluo- rine- or fluoride-containing gas at 300- 6WC, thereby removing the oxide layer and fo.rming a fluorided layer on the steel and then forming an aluminum or zinc plating coat on the fluoride. Clamping Device for Gravure Printing Cylinders to be Electroplated U.S. Patent 5399,246. Mar. 21, 1995 R. Ett&ruck and K. Hofmann, assignors to Mascbinenfabrik Kaspar Walter GmbH & Co. KG, Munich A clamping device for gravure printing of cylinders, which have different spindle diameters, to be processed in an electro- plating plant, wherein the current is trans- mitted from a current supply system to outer ends of the gravure printing cylinders introduced into the plant, comprising a plu- rality of cone sleeves each having an ex- ternal cone, and an outside diameter, the cone sleeves having the same outside di- ameter and an inside diameter adapted to a determined spindle end diameter of differ- ent gravure printing cylinders. Hot Dip Coating Process U.S. Patent 5,399,376. Mar. 21, 1995 C. Flinchurn et al., assignors to Armco Steel Co. LJ?, Middletown, Ohio A method of meniscus coating at least one surface of steel strip with metal, com- prising providing at least one horizontally disposed coating tray for coating only one surface of the strip with molten metal and having a departure lip at least as wide as the strip and including an upwardly in- clined upper surface elongated in the direc- tion of the strip width, a lower surface, and a shart terminal end. Electroless Plated Aramid Surfaces U.S. Patent 5,399,362. Mar. 21, 1995 RR. Such et al., assignors to E.I. Du Pont de Nemours and Co., Wilmington, Del. A process for plating an aramid surface with a metal, whereby metal cations are reduced to metal and are plated on the aramid surface, wherein the improvement comprises providing, as the material which forms the aramid surface, a composition including a substantially homogeneous, combination of from 70 to 98 weight per- cent aramid and from 2 to 30 weight per- cent, polyvinylpyrrolidone (PVP) yielding a plated metal coating, which is strongly adherent to the aramid surface. Process for Priming Plastic Substrates U.S. Patent 5,399,363. Mar. 21, 1995 M. Mass et at., assignors to Herberts Gmbff, Wuppedal, Germany A process for priming plastic substrates by applying a solvent-borne coating com- position and subsequently curing the coat- ing. Base CoatXlearcoat U.S. Patent 5,399,364. Mar. 21, 1995 A. Fushimi et a/., assignors to Nippon Paint Co. Ltd., Osaka, Japan A process for forming a coating on a substrate comprising coating a waterborne or solventbome color base paint on a MANUFACTURERS OF FULL DISC BUFFS PIECED BUFFS SISAL BUFFS BIAS BUFFS FINGER BUFFS POLISHING WHEEL! STRING BUFFS ABRASIVE BELTS COMPOUNDS SURFACE CONDITIONING BELTS QUALITY, PRICE, DELNERY FLAP WHEELS 423 Knapp St. FREMONT, OH 43420 Fax # 419-332-9377 Telephone 419-332-9905 Circle 073 on reader lnfornmtion card Decorative and Functional Platina If maximum brightness and ductility in decorative plating arz your B oak.. our Cuflex@copper, Reflect@ nickel. Besplate@ nicke , Econo-Chrome@ chrome and other plating processes provide a beautiful finish. And for the tou htest in ? 8olasid’” hest, yet bri functional applications, our Reglow@,Eco o&c9 and zinc plating systems and Rodip chromate conversion coatings deliver the highest-quality plating performance. For more information, please call or write today. 0 eBhc: ROHCO DIVISION 2910 Harvard Avenue, Cleveland, OH 44105-3010 Telephone 216 441-4900 Fax 216 441-1377 Telex 3729244 98 METAL FINISHING . OCTOBER 1995

Hot dip coating process

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Method of Plating Steel U.S. Patent $399,217. Mar. 21, 1995 A. Yoshino et al., assignors to Daidousanso Co. Ltd., Japan

A method of plating steel for forming a plating coat on steel having an oxide layer on a surface thereof, comprising holding the steel works in an atmosphere of fluo- rine- or fluoride-containing gas at 300- 6WC, thereby removing the oxide layer and fo.rming a fluorided layer on the steel and then forming an aluminum or zinc plating coat on the fluoride.

Clamping Device for Gravure Printing Cylinders to be Electroplated U.S. Patent 5399,246. Mar. 21, 1995 R. Ett&ruck and K. Hofmann, assignors to Mascbinenfabrik Kaspar Walter GmbH & Co. KG, Munich

A clamping device for gravure printing of cylinders, which have different spindle diameters, to be processed in an electro- plating plant, wherein the current is trans- mitted from a current supply system to outer ends of the gravure printing cylinders introduced into the plant, comprising a plu-

rality of cone sleeves each having an ex- ternal cone, and an outside diameter, the cone sleeves having the same outside di- ameter and an inside diameter adapted to a determined spindle end diameter of differ- ent gravure printing cylinders.

Hot Dip Coating Process U.S. Patent 5,399,376. Mar. 21, 1995 C. Flinchurn et al., assignors to Armco Steel Co. LJ?, Middletown, Ohio

A method of meniscus coating at least one surface of steel strip with metal, com- prising providing at least one horizontally disposed coating tray for coating only one surface of the strip with molten metal and having a departure lip at least as wide as the strip and including an upwardly in- clined upper surface elongated in the direc- tion of the strip width, a lower surface, and a shart terminal end.

Electroless Plated Aramid Surfaces U.S. Patent 5,399,362. Mar. 21, 1995 RR. Such et al., assignors to E.I. Du Pont de Nemours and Co., Wilmington, Del.

A process for plating an aramid surface with a metal, whereby metal cations are

reduced to metal and are plated on the aramid surface, wherein the improvement comprises providing, as the material which forms the aramid surface, a composition including a substantially homogeneous, combination of from 70 to 98 weight per- cent aramid and from 2 to 30 weight per- cent, polyvinylpyrrolidone (PVP) yielding a plated metal coating, which is strongly adherent to the aramid surface.

Process for Priming Plastic Substrates U.S. Patent 5,399,363. Mar. 21, 1995 M. Mass et at., assignors to Herberts Gmbff, Wuppedal, Germany

A process for priming plastic substrates by applying a solvent-borne coating com- position and subsequently curing the coat- ing.

Base CoatXlearcoat U.S. Patent 5,399,364. Mar. 21, 1995 A. Fushimi et a/., assignors to Nippon Paint Co. Ltd., Osaka, Japan

A process for forming a coating on a substrate comprising coating a waterborne or solventbome color base paint on a

MANUFACTURERS OF

FULL DISC BUFFS PIECED BUFFS

SISAL BUFFS BIAS BUFFS

FINGER BUFFS POLISHING WHEEL!

STRING BUFFS ABRASIVE BELTS COMPOUNDS SURFACE CONDITIONING BELTS

QUALITY, PRICE, DELNERY

FLAP WHEELS

423 Knapp St. FREMONT, OH 43420

Fax # 419-332-9377 Telephone 419-332-9905

Circle 073 on reader lnfornmtion card

Decorative and Functional Platina If maximum brightness and ductility in decorative plating arz your

B oak.. our Cuflex@ copper, Reflect@ nickel. Besplate@

nicke , Econo-Chrome@ chrome and other plating processes provide a beautiful finish. And for the tou htest in

? 8olasid’” hest, yet bri

functional applications, our Reglow@, Eco o&c9 and zinc plating systems and Rodip chromate conversion coatings deliver the highest-quality plating performance. For more information, please call or write today.

0 eBhc: ROHCO DIVISION

2910 Harvard Avenue, Cleveland, OH 44105-3010 Telephone 216 441-4900 Fax 216 441-1377 Telex 3729244

98 METAL FINISHING . OCTOBER 1995