Powder metallurgy processes – Powder metallurgy processes with heating or sintering – Making composite or hollow article
Patent
1998-09-21
1999-08-03
Jenkins, Daniel J.
Powder metallurgy processes
Powder metallurgy processes with heating or sintering
Making composite or hollow article
419 38, B22F 702
Patent
active
059337001
ABSTRACT:
A method for manufacturing a spray plate includes the steps of making a plurality of layers from powdered metal, solidified by pressure between an appropriate upper die and lower die. The dies define appropriate holes required to form inlet ports, feed ports, swirl chamber or discharge apertures. Fluid pressure applied to the back side of the die flushes away green, unfired material in selected areas from each layer, thereby forming a layer having an array of swirl atomizer components. A multi-layered spray plate is assembled from a plurality of layers, which in a preferred version includes two to four layers, which are stacked so that the alignment features are in-line and associated atomizer components are aligned. The layers are then joined into a monolithic fused plate, by compacting and firing the layers.
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Jenkins Daniel J.
Thompson David S.
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