Carbon Dioxide Jet Spray Polishing

1
ing at least one surface scraper with a keen edge, providing means for applying rela- tively constant pressure upon the edge as it contacts the surface finish, dragging the keen edge of the scraper for a preselected distance and path across the surface finish and with the predetermined pressure ap- plied to the keen edge, lifting the surface scraper away from the surface finish and returning the scraper to its initial contact position relative to the surface finish, and repeating the scraping action for a prede- termined cyclical operating test period. Carbon Dioxide Jet Spray Polishing U.S. Patenf 5,765,578. June 16, 1998 ES. Brand! and B.A. Simpson, assignors to Eastman Kodak Co., Rochester, N. Y A method of polishing a ductile metal surface comprising the step of impacting the surface with a stream of microscopic particles of carbon dioxide from a jet spray nozzle at a velocity and duration of suffi- cient magnitude that bidirectional retlec- tance distribution function scatter measure- ments show a decrease in scatter and an increase in reflectivity over a substantially pristine condition of the surface, wherein the duration of application of the stream of particles exceeds one minute for each area of the surface. Reversible Spray Tip U.S. Patent 5,765.753. June 16, 1998 J. W Kieffer; assignor to Wagner Spray Tech Corp., Minneapolis A reversible tip assembly comprising a rotatable, generally cylindrical turret hav- ing a transverse bore therethrough and a handle at one longitudinal end thereof; a replaceable tip element having a spray or- ifice therein removably secured in the transverse bore of the turret by a hollow set screw; and a mounting frame for rotatably securing the turret to a paint spray gun. Sandblasting Nozzle U.S. Patent 5,765,759. June 16, 1998 C.R. Bums et al, assignors to Danville Engineerjng, San Ramon, Calif A removable nozzle for a sandblaster handpiece. Electrostatic-Induction Nozzle U.S. Patent ~$765,761. June 16, 1998 S. E. Law and SC. Cooper, assignors to University of Georgia Research Foundation Inc., Athens, Ga. An electrostatic-induction spray-charg- ing nozzle device, the device being adapted for use with an electrical power supply, a liquid source, and a gas source upstream of a rearward end of the device. HARD CHROME P EL * ATRUE ZERO DISCHARQE $v l NOOUTDOOR EMISSION LW l ELIMINATES COSTLY E(X#%l l LOWERUTILIT i’ ‘.i. i : p: * IMPROVEDSA l ELIMINATES NOISE,WAS% $ SUPPRESSANTS, & MA@ up l NEVER WORRY ABOUT El AGAIN FOR MORE INFORMATION, COMTACT 1 RESPONSIBLE Btl.1: 4027 COLONEL GLENNH’h?!,DAYTON, OHlo 4&31 Visit our Web Site at www.resalt.com What can our Bum-off oven do for you? Before -----‘;I After Burn-off ovens are all that we make. Yet after 25 years and 4,000 ovens, we still see our business as one of “solving problems “. Give us a call at-d we’ll listen to your needs before recommending a solution. Or fill out the response card in the magazine. We”11 do whatever it takes to provide a quality product at a fair price. Fd- Keith Brown OLLUTION RODUCTS 2677 Freewood Dallas, Texas 75220-2584 Tel: (214) 358-1539 co. National Sales Manager Fax:‘ (21b) 358-3379 Circle 086 on reader information card METAL FINISHING l NOVEMBER 1998 113

Transcript of Carbon Dioxide Jet Spray Polishing

Page 1: Carbon Dioxide Jet Spray Polishing

ing at least one surface scraper with a keen edge, providing means for applying rela- tively constant pressure upon the edge as it contacts the surface finish, dragging the keen edge of the scraper for a preselected distance and path across the surface finish and with the predetermined pressure ap- plied to the keen edge, lifting the surface scraper away from the surface finish and returning the scraper to its initial contact position relative to the surface finish, and repeating the scraping action for a prede- termined cyclical operating test period.

Carbon Dioxide Jet Spray Polishing U.S. Patenf 5,765,578. June 16, 1998 ES. Brand! and B.A. Simpson, assignors to Eastman Kodak Co., Rochester, N. Y

A method of polishing a ductile metal surface comprising the step of impacting the surface with a stream of microscopic particles of carbon dioxide from a jet spray nozzle at a velocity and duration of suffi- cient magnitude that bidirectional retlec- tance distribution function scatter measure- ments show a decrease in scatter and an increase in reflectivity over a substantially pristine condition of the surface, wherein the duration of application of the stream of particles exceeds one minute for each area of the surface.

Reversible Spray Tip U.S. Patent 5,765.753. June 16, 1998 J. W Kieffer; assignor to Wagner Spray Tech Corp., Minneapolis

A reversible tip assembly comprising a rotatable, generally cylindrical turret hav- ing a transverse bore therethrough and a handle at one longitudinal end thereof; a replaceable tip element having a spray or- ifice therein removably secured in the transverse bore of the turret by a hollow set screw; and a mounting frame for rotatably securing the turret to a paint spray gun.

Sandblasting Nozzle U.S. Patent 5,765,759. June 16, 1998 C.R. Bums et al, assignors to Danville Engineerjng, San Ramon, Calif

A removable nozzle for a sandblaster handpiece.

Electrostatic-Induction Nozzle U.S. Patent ~$765,761. June 16, 1998 S. E. Law and SC. Cooper, assignors to University of Georgia Research Foundation Inc., Athens, Ga.

An electrostatic-induction spray-charg- ing nozzle device, the device being adapted for use with an electrical power supply, a liquid source, and a gas source upstream of a rearward end of the device.

HARD CHROME P

EL * A TRUE ZERO DISCHARQE $v l NO OUTDOOR EMISSION LW l ELIMINATES COSTLY E(X#%l l LOWER UTILIT i’ ‘.i. i : p : * IMPROVED SA l ELIMINATES NOISE, WAS% $

SUPPRESSANTS, & MA@ up l NEVER WORRY ABOUT El

AGAIN

FOR MORE INFORMATION, COMTACT 1

RESPONSIBLE Btl.1: 4027 COLONEL GLENN H’h?!, DAYTON, OHlo 4&31

Visit our Web Site at www.resalt.com

What can our Bum-off oven do for you?

Before -----‘;I After

Burn-off ovens are all that we make. Yet after 25 years and 4,000 ovens, we still see our business as one of “solving problems “. Give us a call at-d we’ll listen to your needs before recommending a solution. Or fill out the response card in the magazine. We”11 do whatever it takes to provide a quality product at a fair price.

Fd- Keith Brown

OLLUTION

RODUCTS 2677 Freewood Dallas, Texas 75220-2584 Tel: (214) 358-1539

co.

National Sales Manager Fax:‘ (21b) 358-3379

Circle 086 on reader information card

METAL FINISHING l NOVEMBER 1998 113