to the objects because of a poten- tial difference between the coat- ing substance and the objects and an even and homogenous coating is obtained on the objects.

INTERIOR T I N N E D COPPER TUBE U.S. Patent 6,045,860. Apr. 4, 2000 J. Ito et al., assignors to Sumi tomo Light Metal Industries, Ltd., Tokyo

In a process for manufactur ing a coiled long copper tube with a t inned inner surface, which com- prises causing an electroless tin plating solution to circulate inside the copper tube and tin plating to occur inside the tube by electro- less plat ing, the improvement compr is ing conduc t ing a first plating step at a temperature of 20-40°C and adjusting the rate of deposition of a tin film so tha t the total copper ion concentration in the plating solution immediately after flowing from the copper tube after having been circulated in- side the tube, divided by the tin

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(II) ion concentration in this plat- ing solution is 0.8 or less, and conducting a second plating step wherein plating is carried out at a plating solution temperature of 60-80°C.

ELECTROLESS PLATING PROCESS U.S. Patent 6,045,866. Apr. 4, 2000 H. Chuang, assignor to Jin Yee Enterprise Co., Ltd., Taiwan

A method of forming electroless metal plating layers on one single surface of a plastic substrate.

HIGH SOLID COATING C O M P O S I T I O N U.S. Patent 6,045,870. Apr. 4, 2000 K. Noura et al., assignors to Kansai Paint Co., Ltd., Amagasaki , Japan

An organic solvent-based heat- curable high solid coating compo- s i t ion compr is ing a carboxyl- containing compound; at least one epoxide; a cross-linked particu- la te polymer; the composit ion

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having a solid content of 65% or m o r e .

MULTILAYER COATING U.S. Patent 6,045,872. Apr. 4, 2000 H.L. Harmon et al., assignors to B A S F Corp., Southfield, Mich.

A method for eliminating wrin- kl ing in composite color-plus- clear coatings.

ONE-PACK EPOXY U.S. Patent 6,045,873. Apr. 4, 2000 Y. Adachi and T. Hamamura, assignors to Kansai Paint Co., Ltd., Amagasaki, Japan

A one-packed epoxy resin compo- sition comprising an epoxy resin having two or more epoxy groups in the resin molecule; a ketimine compound; a dehydrating agent; and at least one epoxy resin se- lected among urethane-modified epoxy resins.

FLUID DELIVERY METHOD U.S. Patent 6,045,874. Apr. 4, 2000 R.A. Himes, assignor to Atotech USA Inc., State College, Pa.

A method of fluid t reatment of articles being conveyed along a predetermined generally longitu- dinal path, comprising conveying articles from an upstream direc- tion toward a downstream direc- tion and providing the dispenser manifolds arranged transverse to the generally longitudinal path.

HVLP S P R A Y P A I N T I N G A P P A R A T U S U.S. Patent 6,048,182. Apr. 11, 2000 R. Hailes, Hamilton, Ont.

A h igh-vo lume low-pressure (HVLP) blower having a blower motor with a cooling fan for pass- ing cooling air over the blower motor, a blower turbine connected to and driven by the blower motor for delivering HVLP air to an air outlet, and an air intake commu- nicating fresh incoming air to the cooling fan and to the blower tur- bine.

88 Metal Finishing