nickel ions to be deposited on the alumi- mixture of 0.080 to 0.175 atom percent of num powder. arsenic in gold.

Hydroxyapatite Coating Process U.S. Pafenf5,458,863. Ocf. IO, 1995 R. D. Klassen, Kingston, Ontario, Canada

A process for coating a metal substrate with hydroxyapatite comprising cleaning the metal substrate and then coating with brushite by electrodeposition; periodically dislodging bubbles from the metal sub- strate during the electrodeposition of brushite; and converting the brushite coat- ing to a hydroxyapatite coating by immers- ing into an aqueous conversion liquor until the brushite coating is completely con- verted to a hydroxyapatite coating.

Low Stress Electrodeposition of Gold U.S. Patent 5,459,001. Oct. 10, 1995 S.A. Esfes ef al., assignors to BM Corp., Armonk, N.Y.

An X-ray mask comprising an X-ray transparent substrate; and an X-ray absorb- ing layer, said absorbing layer comprising a

Plating Process U.S. Patent 5459,702. Oct. 10, 199.5 T Shibata et a/., assignors to NGK Spark Plug Co. Ltd., Nagoya, Japan

A method of electroplating lead pins of an integrated circuit package.

Shot Peening Method U.S. Patent 5,460,025. Oct. 24, 7995 J.M. Champaigne, assignor to Necfronics Inc., Mishawaka, Ind.

A shot peening method comprising the steps of conveying shot into a transport hose at a predetermined mass flow rate, supplying gas under pressure to the hose through an inlet opening for accelerating the shot, discharging the shot through a nozzle directed at a workpiece being treated, determining from a table the pres- sure levels at a first measuring point at the nozzle and at a second measuring point upstream required to establish a desired shot velocity and monitoring the pressure levels during treatment.

Sandblasting Cabinet U.S. Pafent 5,460,564. Ocf. 24, 1995 D.M. Bowes and JR. Car/son, assignors to Easthill Group Inc., Frazer, Pa.

A benchtop sandblasting cabinet, com- prising a plurality of substantially planar panels, which are assembled and matingly engaged with each other, and can be non- destructively disassembled into substan- tially flat panels for shipment to a second site for reassembly.

Vibrating Abrasive Cleaning Apparatus U.S. Patent 5,460,566. Oct. 24, 1995 JO. Trahan, assignor to Drillfech Technologies Inc., Houston

An apparatus for cleaning articles in a fluid and oscillating medium, which com- prises a frame; a container having a central axis perpendicular to an article inlet open- ing and angularly mounted to the frame; a means for injecting a cleaning fluid into the container; a means for oscillating the con- tainer within the frame; a means for drain- ing excess debris and cleaning fluid from the articles once oscillation begins; and a

Filter Presses 5 - 200 cu. ft. capacity

*Automatic hydraulic cosure or our cost savrna manual closure

*Totally air opeiated *Heavy duty steel construction *Polypro gasketed or diaphragm membrane plates

*Corner or center feed Standard sizes or custom built

Clarifiers ‘5 - 1000 GPM flow *Parallel mate desion for efficient solids settling with

removable plate racks Compact size with low height Cone bottom for sludge storage *Floculation tank with mixer is standard -Optional catwalk and ladder available -Heavy duty epoxy coated steel construction Shipped fully assembled Meets EPA discharge limits for industrial waste water

See us at SlJlUFiN ‘96, Booth #629

Sludge Dryers. 1 - 75 cu. ft. capacity -Uses low cost steam, hot water or electrical heat source Stainless steel internal parts *Reduces sludge volume up to 75% Space saving design allows unit to fit under the filter press or elsewhere in the plant

Meets EPA requirement for sludge reduction

Low Prices Fast Delivery - Waste Treatment Systems

-1 - 300 GPM flow

216-881-7900 ?? Fax: 2: 6-881-8950

-Continuous flow or batch treatment -Skid mounted or component installation

in your plant -S *E L

stems include drawings and EPA paperwork A compliance our specialty

Circle 97 on reader information card

160 METAL FINISHING ?? JUNE 1996