L.F. Kinney and S.K. Golas, assignors to The Sherwin- Wi l l iams Co., Cleveland

An aqueous coat ing composit ion com- pr i s ing a c lear d ispers ion of polyure- t h a n e res in based on an a l ipha t i c polyether; a t l eas t one p igmented dis- persion; a t l eas t one pigment ; and wa- ter.

PEENING APPARATUS U.S. Patent 6,058,584. May 9, 2000 T. Matsuyama et al., assignors to Honda Giken KK, Tokyo

A n a p p a r a t u s for i n c r e a s i n g t h e s t r eng th of a surface of a me ta l com- ponent compris ing a mechan i sm for impel l ing a mixed s t r e a m of g lass beads and a l iquid toward the me ta l component to increase the s t r eng th of a surface of the me ta l component .

FilOCESS FOR TREATING AI.Ul i I I I IF l l IOUS MI'I 'ALS U.S. Patent 6,059,896. May 9, 2000

R. Ehara et al., assignors to Henkel Corp., Gulph Mills, Pa.

An aqueous l iquid composi t ion for t r ea t i ng the surface of a lumini fe rous meta ls , e i ther as such or a f te r dilu- t ion wi th addi t ional water , sa id com- pos i t i on c o m p r i s i n g w a t e r a n d in pa r t s by weight 1 to 100 pa r t s of dis- solved phospha te ions; an amoun t of ma te r i a l selected from the group con- s i s t ing of dissolved zirconium, t i ta- nium, or both; an amoun t of m a t e r i a l selected from the group consis t ing of dissolved f luor ine-containing anions t ha t is s to ichiometr ical ly equiva lent to from 1 to 100 pa r t s of f luorine at- oms; and 1 to 200 pa r t s of dissolved polymer.

AIPPARATI/S FOR PROFIUNG A CONVEYOR OVEN U.S. Patent 6,062,728. May 16, 2000 R.L. Breunsbach and P.M. Austen, assignors to Electronic Controls Design Inc., Milwaukie, Ore.

An oven ana lyze r for profi l ing a con- veyor oven compris ing a pa l l e t hav ing a length and a wid th sized for pass ing th rough the conveyor oven; a t l eas t a f irst t e m p e r a t u r e sensor moun ted on the pa l le t for providing t e m p e r a t u r e in format ion assoc ia ted wi th an a i r t e m p e r a t u r e w i t h i n t h e conveyor oven; a p l u r a l i t y of m e t a l m a s s e s moun ted across the pa l le t t h a t a re used to de te rmine the conveyor oven's ab i l i ty to hea t the me ta l masses; and a t l eas t a second t e m p e r a t u r e sensor moun ted to a t l eas t one of the me ta l masses t ha t detects the t e m p e r a t u r e of the a t l eas t one me ta l mass.

ROTATABLE BLAST CLEANING APPARA11/S U.S. Patent 6,062,956. May 16, 2000 C.P. Elliott, assignor to U.S. Filter/Wheelabrator (Canada) Inc., Oakville, Canada

A blas t c leaning a p p a r a t u s compris- ing a b las t c leaning chamber; a con-

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