the intermediate layer is arranged be- tween the surface of the workpiece or object and the nonmetallic coating.

Metal Surface Treatments U.S. Patent 5494,594. Feb. 27, 1996 E.A. Rodzewich, assignor to Eletz Laboratories Inc., Trevose, Pa.

A method for reducing and maintaining the coefficient of friction of a metal surface cleaned by an alkaline cleaner, while pre- venting foaming on the metal surface, which comprises contacting the clean metal surface with a treatment comprising mono- ethanolamine, an ethoxylated alkyl ether phosphate, and a silicate, wherein the sur- face is contacted at a temperature of 60 to 120°F and a pH of 10-13.

Hot-Dip Process U.S. Patent 5,494,706. Feb. 27, 1996 M. Abe et al., assignors to NKK Corp., Tokyo

t\ method for producing a zinc-coated steel sheet, comprising forming a nickel- phosphorus alloy coating layer containing 8 to 15% phosphorus on at least one sur-

face of a steel sheet; heat treating the steel sheet coated with the alloy coating layer in a nonoxidizing atmosphere at a maximum temperature of 500 to 800°C and a holding time of 1 to 30 set to form an iron-nickel- phosphorus diffused alloy layer at an inter- face of the steel sheet and the alloy coating layer; and hot-dip galvanizing.

Electroless Nickel Bath U.S. Patent 5,494,710. Feb. 27, 1996 G.O. Mallov, Jr., c/o Electroless Technologies Corp., Los Angeles

A method for producing an electroless plated nickel deposit, the improvement comprising conducting electroless nickel plating of the deposit within a bath to pro- duce a deposit having a hardness as-plated above 800 VHN,,, said bath being an aqueous electroless plating bath compris- ing a first compound as a source of nickel cations, a hypophosphite reducing agent, and a second compound as a source of a fluoborate anion and with the bath being operated under electroless nickel plating conditions and maintained at a pH range of 6 to 8.5.

Fastener Coating U.S. Patent 5,494,754. Feb. 27, 1996 WA. Schubert ef a/., assignors to Illinois Tool Works Inc., Glenview, 111.

A fastener having improved corrosion resistance comprising an inner metallic core; an epoxy coating applied on the core; a top coating applied on the epoxy coating and comprising a sulfonate component in- cluding an alkaline or alkaline-earth sul- fonate salt having an aromatic or aliphatic hydrocarbon portion thereof.

Clearcoat With Improved Solvent and Acid Resistance U.S. Patent 5,494,970. Feb. 27, 1996 P Serdiuk, assignor to BASF Corp., Southfield, Mich.

A solvent-borne coating composition consisting of a resin consisting essentially of epoxy and hydroxy functionality present in an amount between 10 to 35% by weight; a resin consisting essentially of anhydride functionality present in an amount between 50 to 75%; an aminoplast resin present in an amount between 5 to

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What can our Bum-off oven do for you?

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20%; and additives selected from the group consisting of solvents, catalysts, flow agents, hindered amine light stabilizers, and ultraviolet absorbers present in an amount between 1 to 15%.

Internal Finishing Tool U.S. Patent 5,496,365. Mar. 5, 1996 AI Scheider and R.B. Warner, assignors to Jason Inc., Cleveland

A method of making a twisted stem abrading tool comprising the steps of form- ing an elongated strip of abrasive contain- ing plastic, cutting the strip to a given length, forming transverse slits into the lat- eral edges of the strip, the slits on one edge being longitudinally offset from the slits on the opposite edge, placing the strip in the bight of a cotter pin, and clamping and twisting the corer pin to form a helical, twisted-stem abrading tool.

Coated Abrasive U.S. Pafent 5,496,386. Mar. 5, 1996 DE. Broberg and D. W Bange, assignors to 3M, St. Paul, Minn.

A coated abrasive article comprising a backing having at least one major surface; an abrasive coating comprising shaped abrasive particles, diluent particles, and a binder: and wherein the abrasive particles are rod-shaped and have an aspect ratio of at least one to one.

Recycling Industrial Waste U.S. Pafent5,496,392. Mar. 5, 1996 B.H. Sims and Cl. Philipp, assignors to Enviroscience, Hot Springs, Ark.

A process for recycling industrial waste materials comprising blending one or more industrial waste materials comprising at least one component selected from the group consisting of reducible metals, vola- tile metals, and nonreducible metal oxides, at least one carbonaceous reducing agent, and at least one primary fluxing agent, into a homogenous mass; curing and drying at a temperature of 170 to 240°F for a period of time such that the resulting particles have a moisture content of less than 10.0%; heat- ing and melting the resulting particles at a temperature of from 1,660 to 3,100-F such that a reducing atmosphere is created

within the structure of the particles from the release of said reducing agent, thereby forming reducible metals, volatile metals, a molten slag comprising nonreducible metal oxides, and exhaust products; and separat- ing and recovering at least one component.

Recycling Paint Waste U.S. Patent5,496,404. Mar. 5, 1996 J. W. Price and D. M. Long, assignors to Waste Markets Inc., Ventura, Calif.

A process of recycling waste by utilizing the waste as an additive ingredient in the manufacture of Portland cement, eliminat- ing the need for disposing of the waste in a landfill where the Portland cement is pro- duced from a cement clinker, which has been produced by burning.

Ultrasonic Vibration Generator for Cleaning U.S. Patent 5496,411. Mar. 5, 1996 5.H. Candy, assignor to Halcro Nominees Pfy. Ltd., Australia

An ultrasonic vibration generator com- prising a transducer for converting an elec-

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