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IUCTROHPOSmo DIAMONDWHIILU.S. Patent 5,876,274. Mar. 2, 1999S. Hariu, assignor to SankyoDiamond Industrial Co. Ltd.,Kanagawa, JapanAn electrodeposited diamondwheel for cutting a composite material comprising a heat softeningmaterial and a reinforcing material wherein the diamond wheelcomprises a circular substratehaving a center, two opposing surfaces, and an outer circumference,an attaching aperture formed atthe center and a plurality of cooling apertures formed each at apredetermined distance from theattaching aperture toward theouter circumference and each at apredetermined pitch and diamondabrasive particles electrodeposited on the outer circumference ofthe circular substrate.
ganic solvent; and combining atleast a portion of the cleaningagent and a portion of the rinsingagent and subjecting the combined cleaning agent and rinsingagent to an azeotropic distillationto recover an azeotrope, separating the azeotrope into a waterrich phase and a solvent-rich
phase and recycling.
WASHING SVIm. CONTAININGNONIONIC SUR.ACTANTU.S. Patent 5,876,514. Mar. 2, 1999J.J. Rolando and T.J. Klos,assignors to Ecolab Inc., St. Paul,Minn.A method ofwashing ware using a
Reduce slurriesto dry powder.Cut disposalcosts 10:1
Mixing screw wipes heatingsurface clean preventinginsulating buildup. Also breaksup surface layer for maximummoisture release.
Circle 093 on reader Information card
ELECTROCOAGULATIONAdvanced Wastewater Treatment
Technology for the Next Millennium
CONmJ[g©The PerformanceLeader
in ContaminantRecoverySystems
Contaminant Recovery Systems, Inc.9 Rocky Hill Rd., Smithfield, RI 02917(401) 231-3770 Fax: (401) 231-3360Web: www.conrec.netE-mail: [email protected]
• Reduced Treatment Costs
• Simple Operation
• Built for YourSpecific eeds
l-tl88-KASELCO (I-XSS-.'i27- 526) FAX 361-594-3311 www.kwire.comCall ror a 1I,,·ohli~atitln hellch·scale test "r yUIll' wastewater sam pi,' IIsillg the Kaselo I'rocess
P.O. nUX 667 Shiner, Texas 77984
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PROC... POR CLIANING AllTlCLISU.S. Patent 5,876,510. Mar. 2, 1999M.A.M. Kuemin and M. Schneider,assignors to The Dow Chemical Co.,Midland, Mich.
A process for cleaning one or morearticles comprising contacting thearticle with a cleaning agent containing 0.01 to 80% by weight ofwater and 99.99 to 20% by weightof an organic solvent having thefeatures of forming an azeotropewith water, and forming a separate phase after azeotropic distillation; rinsing with an agent containing from 99.99 to 60% ofwater and 0.01 to 40% of the or-
ABRASIVE ARTICLISU.S. Patent 5,876,470. Mar. 2, 1999G.R. Abrahamson, assignor to 3MCo., St. Paul, Minn.An abrasive article comprising afirst abrasive grain comprisingseeded or nucleated alpha alumina; and a second abrasive graincomprising rare earth oxide or yttria modified alpha alumina.
Circle 038 on reader Information card
November 1999 109