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PATENTS . Granted in the Metal Finishing Field Printed copies of patents are furnished by the Patent and Trademark Office for $3.00 each. Address orders to: Commissioner of Patents and Trademarks, Washington, D.C. 20231. POWDB COATING GUN U.S. Patent 5,908,162. June 1, 1999 R.G. Klein et al., assignors to Nordson Corp., Westlake, Ohio A spray gun having an anti-back- ionization probe with a control system. IUCTIIOfOIIIIID ..... 111 U.S. Patent 5,908,285. June 1, 1999 J.M. Graff, assignor to United Technologies Corp., Hartford, Conn. A method of protecting composite components of a part with an elec- troformed sheath comprising se- curing an electrically conductive mandrel insert in a mandrel; elec- troplating a head section and pressure and suction sides around the mandrel insert to form with the mandrel insert a sheath body; removing the mandrel from the sheath body so that a sheath cav- ity is defined within the sheath body by the position occupied by the mandrel and a tail section of the mandrel insert projects from the head section into the sheath cavity to form the electroformed sheath; and securing composite components of the part within the sheath cavity so that the electro- formed sheath protects the com- posite components. ....... AIITICUS U.S. Patent 5,908,477. June 1, 1999 W.L. Harmer et al., assignors to 3M Co., St. Paul, Minn. An abrasive article comprising a backing having a first major sur- face and a second major surface; a plurality of abrasive particles; at One size does NOT fit all! DIFFERE T chrome plating applications... DIFFERE T bath chemistrie... DIFFERE T equipment... DLIF DH/C ODIC .M/R 60 45 30 15 o .. .so wfiy do suppliers offer the S.9l!Jv(f£, chromium mist suppressant? LO-MIST suppressants give you better re ults because they gi e you better control. 75 0.05% 0.10% 0.15% 0.20% Graph of concentration v surface tension for the different LO-MI T formulation. Call us today to discuss which LO-MI T is best for our hop. Accurate Engineering Laboratorie DI I. 10 0FRI •1 2707 West 'hieago ve. hicago.IL 60622 Phone (77 ) 384-4522 Fax (77 ) 384·8681 Circle 001 on I'8IId« Information card 74 Mete' Finishing
