Stock material or miscellaneous articles – All metal or with adjacent metals – Having metal particles
Patent
1989-07-28
1990-05-15
Lechert, Jr., Stephen J.
Stock material or miscellaneous articles
All metal or with adjacent metals
Having metal particles
428558, 428554, 428570, 428610, 428402, 428403, 419 9, B22F 300
Patent
active
049257404
ABSTRACT:
A high strength, light weight stabilized skin structure having spaced skin sheets and a plurality of hollow metal spheres filling the space between the skins. The spheres and skins are bonded together, resulting in a unitary structure. The spheres typically have outside diameters of from about 0.005 to 0.5 inch, with tall thicknesses of about 0.0005 to 0.005 inch. Spheres of different sizes may be used, with smaller or heavier wall thickness spheres in high load areas, such as insert attachment points, and larger spheres in lightly loaded areas. The spheres preferably have a surface coating of a brazing material and are bonded together and to the skins by furnace brazing.
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Gojny Francis J.
Norris Brian
Gilliam Frank D.
Lechert Jr. Stephen J.
Mai Ngoclan T.
Rohr Industries, Inc.
Schlesinger Patrick J.
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