C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
49/82, 101/96.02
C03B 23/20 (2006.01) B41J 2/16 (2006.01)
Patent
CA 1102137
Abstract of the Disclosure Multiple nozzle arrays are formed from an assembly of at least one pair of plates having intersecting channels for receiving orifice clements and sealant. In the preferred assembly, one plate has a single channel for carrying a plurality of orifice elements and a plurality of deeper, parallel cross-channels for carrying the sealant, and the other plate has a similar set of sealant-carrying cross-channels that connect when the plates are joined. In another embodiment only one plate is machined with intersecting channels of different depth, the shallow channels for carrying the orifice elements and the deep channels for carrying the sealant, the second plate serving only as a cover. The joined plates, with inserted orifice elements and sealant, are then mounted vertically (preferred em- bodiment) or at an appropriate angle and exposed to a temperature sufficient to cause the sealant alone to melt and to flow by capillary and gravity action to seal the orifice elements in a void-and-bubble free manner and to seal the plates to form a plate block. After gradual cooling, the plate block is sliced into multiple nozzle wafers, which are then lapped and polished and mounted on a back-up plate for attachment to a source of high pressure fluid. -1-
267509
Hoffman Arthur R.
Kendall Arthur H.
Rohr Robert L.
International Business Machines Corporation
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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