Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1983-09-19
1985-08-20
Moon, Charlie T.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
29424, 29DIG16, 29DIG26, 164 46, 164 91, 204 351, 264317, B21D 5300
Patent
active
045355185
ABSTRACT:
A method for forming small-diameter, angled ducts and manifolds in a face plate for a rocket-engine injector or the like. A surface of a circular base plate 16 is formed with an annular flange 18 thereon having two inwardly sloping sides 11 and 13. Grooves 20, 22 are machined along the intersections of the sides 11 and 13 with the surface of the base plate 16 for propellant-containing manifolds 36 and 38. Grooves 10 are etched in spaced sets of two down the sloping sides of the flange from the flange top 24 to the manifold grooves 20,22. The grooves 10, 20, 22 are filled with wax 23 and a layer 26 of metal is electrodeposited over the grooved surface of the base plate 16 to cover the top 24 of the flange 18, the deposited layer forming orifice ducts and propellant manifolds from the grooves. This layer 26 is machined down to a depth at which the orifice ducts 34 are exposed so that orifices 12 appear at the surface 30 of the machined layer. The wax 23 is now removed by heat or a solvent.
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Field Harry B.
Hamann H. Fredrick
Moon Charlie T.
Rockwell International Corporation
Wallace Ronald S.
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