Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1983-02-04
1985-04-23
Hall, Carl E.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
291568H, 291568T, 291573R, 291573A, 72256, 72367, 165176, 228174, 228183, 2281732, 2281735, 416 96R, 416 96A, 416233, B21K 304, B23P 1502, B23P 1504, B21D 5302
Patent
active
045120692
ABSTRACT:
A method of manufacturing hollow flow profiles having optimum aerodynamic configurations in conformance with a commensurate application, about the respective outer skin of which there flows a first work medium during operation, such as hot gas, whereas ducts which are arranged within the interior of the flow profiles are concurrently streamed through by a second work medium, such as compressed air. The method of the present invention employs suitable deformation techniques (drawing, circular swaging or rolling) at preselected locations to particularly produce web-like aggregations of material. When appropriate materials are used for this purpose, contoured profiles of that type can also be formed through extruding. The webs, depending upon the demands of preceding or successive process steps, can be formed externally, internally or on both sides of the conduit material. The actual deformation for producing the flow profile can then be effected through drawing or rolling, possibly with several intermediate processing steps as required.
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Hall Carl E.
Motoren-und Turbinen-Union Munchen GmbH
Wallace Ronald S.
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