CUAIIIIlI& ........IIOUS .n....u.s. Patent 5,895,782. Apr. 20, 1999J.M. Overton, Yuba City, Calif, andT.R. Wurzburger, Goodyears Bar,Calif
A method for cleaning a surface ofa copper alloy part, which in•cludes wetting with the cleaningsolution that consists of a first so•lution of one of one half mole ofCa(OH)2 and one mole of KOH;one half mole of CaO and onemole of KOH; or one half mole ofcalcium metal; reacted with onehalf mole of Hso in a quantity ofwater and filtered to remove pre•cipitates of CaS04 and ~S04
larger than 10 microns; and rins•ing in water.
IIOTAIIY ATOMIZING MUDU.S. Patent 5,897,060. Apr. 27, 1999M. Kon and H. Matsuda, assignorsto ARB Industry K.K., TokyoA rotary atomizing head assemblycomprising a main body formed ina cylindrical or bell-like shape; ahub member in the form of a lid•ded cylinder including a lid por•tion having a paint receiving sur•face on the rear side thereof; aring fitting groove provided onone of two opposing surfaces of aninner peripheral surface of the re•cessed hub socket; a resilient ringto hold the hub member detach•ably in the recessed hub socket;and a ring engaging surface pro•vided on the other one of the two
opposing surfaces and having aninclined surface engageable withthe resilient ring holding the hubmember in position within the re•cessed hub socket.
aasn_ APPARATUSU.S. Patent 5,897,427. Apr. 27, 1999N. Tomioka, assignor to Rich HillInc., TokyoA particle supply valve for use ina blasting apparatus, wherein thevalve supplies abrasive particlesto the blasting apparatus bymeans of applying pressurizedair._I_TOOLU.S. Patent 5,897,431. Apr. 27, 1999
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