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powder paint inlets of the body, a fluidity improver inlet of the body, an outlet of the body, a transpor- tation path formed in the body to communicate each of the inlets with the outlet, and a rotary ele- ment having a blade in the trans- portation path comprising sepa- rately introducing plural kinds of powder paints of different hues and a fluidity improver, which possesses a charge control func- tion, into the body by pressurized air; mixing the plural kinds of the powder paints and the fluidity im- prover in the transportat ion path without melting for preparation of a mixed powder paint of a desired hue; electrostatically charging the mixed powder paint containing the fluidity improver in the body; and blowing out the mixed and charged powder paint containing the fluidity improver through the outlet by the pressurized air to e lectrostat ical ly coat a subject with the mixed and charged pow- der paint.
MATTE POLYURETHANE POWDER C O A T I N G S FOR HEAT-RESISTANT SUBSTRATES U.S. Patent 5,811,190. Sept. 22, 1998 H-J. Laas et al., assignors to Bayer AG, Leverkusen, Germany
A powder coating composition for the production of matte coatings in which the binder comprises a c o m p o n e n t hav ing hydroxy l groups; a polyisocyanate having blocked and optionally free iso- cyanate groups; a component hav- ing carboxyl groups and/or car- boxylic anhydride groups; and a component that has groups that are reactive with carboxyl groups and/or carboxyl ic a n h y d r i d e groups.
WATER-DILUTABLE COATING BASED ON ACRYLATE COPOLYMERS U.S. Patent 5,811,484. Sept. 22, 1998 W. Wilfinger et al., assignors to Vianova Resins AG, Werndorf Austria
A process for the preparation of water-di lutable coating binders based on acryla te copolymers, which are obtained by reacting a polycarboxy component with a polyhydroxy component followed by at least partial neutralization of the carboxyl groups.
P O L Y A M I D E COATING C O M P O S I T I O N U.S. Patent 5,811,490. Sept. 22, 1998 M.A. Jozokos et al., assignors to Judd Wire Inc., Turner Falls, Mass.
A thermoplastic coating composi- tion comprising a polyamide se- lected from the group consisting of nylon 610, nylon 612, nylon 11, nylon 12, and blends thereof; an ionic copolymer; and an unsatur- ated dicarboxylic anhydride com- patibilizer.
CASKET A S S E M B L Y FROM PHEFIN ISHED PARTS U.S. Patent 5,813,100. Sept. 29, 1998 W.T. Mackirdy, assignor to Casket Shells Inc., Eynon, Pa.
A metal casket shell formed from parts that are prepainted and pre- f inished wi thou t the need for welding and grinding joints and covers and without destroying the outside surface of the casket to thereby el iminate the need to paint and finish a casket shell in a separate operation.
COATING A P P A R A T U S U.S. Patent 5,813,610. Sept. 29, 1998 A.J. Parr and W.W. Wyant, assignors to Carrier Corp., Syracuse, N.Y.
An air drying system for a paint coating apparatus.
M A G N E T I C - A B R A S I V E M A C H I N I N G U.S. Patent 5,813,901. Sept. 29, 1998 G. Kremen, assignor to Scientific Manufacturing Technologies Inc., Brooklyn, N.Y.
A method of magnet ic-abrasive machining of a par t comprising the steps of forming a magnetic field; arranging a par t to be ma-
chined in the magnetic field; sup- plying a magnet ic-abrasive pow- der in a machining zone toward a surface of the par t to be ma- chined; and supplying a fluid jet under pressure toward the mag- net ic-abrasive powder so as to move the m a g n e t i c - a b r a s i v e powder relative to the surface of the par t to be machined.
METHOD A N D A P P A R A T U S FOR P R O D U C I N G BRIGHT A N D S M O O T H GALVANIZED COATINGS U.S. Patent 5,814,126. Sept. 29, 1998 T.H. Cook, Spearfish, S.D.
A method of cleaning and remov- ing scale from a sidewall of a g a l v a n i z e d k e t t l e c o n t a i n i n g molten zinc comprising immers- ing a gas injector into the said molten zinc; injecting nitrogen into the molten zinc through the injector below the surface of the zinc and b u b b l i n g n i t r o g e n through the molten zinc adjacent a sidewall of the kett le, wherein at least a portion of tlhe nitrogen contacts the wall of the kettle, thereby removing scale from the sidewall and reducing the forma- tion of ash.
METHOD FOR VOC A B A T E M E N T U.S. Patent 5,814,132. Sept. 29, 1998 T.E. Grime et al., assignors to Ransburg Corp., Indianapolis
A method for removing VOCs from a gas mixture comprising t rea t ing VOC adsorbent mate- rial consist ing of an alumino- s i l i ca te gel d e s i c c a n t w i th a masking agent consisting of wa- ter vapor to reduce the at t ract ion of the adso rben t ma te r i a l for VOCs and to reduce a regenera- tion t empera tu re for desorbing VOCs from the VOC adsorbent material; passing a flow of gas containing VOC vapor through the VOC a d s o r b e n t m a t e r i a l t rea ted with a masking agent to s e p a r a t e VOCs from the gas through adsorption of such VOCs
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