Metal working – Method of mechanical manufacture – Structural member making
Patent
1998-10-21
2000-09-05
Cuda, Irene
Metal working
Method of mechanical manufacture
Structural member making
298973, 295275, 527292, 527241, B21D 4701
Patent
active
061124109
ABSTRACT:
A method for fabricating a structural beam having a cross-sectional profile. First portions of the profile being in compression and second portions of the profile being in tension due to a loading force. The beam also having compressive and tensile structural elements. Each structural element includes an enclosure having walls, and a non-compressible material disposed in their cavity. The walls of the compressive structural elements each have at least a portion thereof inwardly shaped towards the first cavity such that when deflected by the loading force, the walls exert a compressive force against the non-compressible material in its cavity, resulting in a resistance to the deflection and the loading force. The walls of the tensile structural elements each have at least a portion thereof outwardly shaped away from the second cavity such that when deflected by the loading force, the walls exert a compressive force against the non-compressible material in its cavity, resulting in a resistance to the deflection and the loading force. The method includes the steps of: providing the compressive structural elements; providing the tensile structural elements; forming the beam having the cross-sectional profile to a predetermined length; and during the forming, disposing a multiplicity of the compressive and tensile structural elements throughout the beam cross-sectional profile and along the predetermined length. Another method joins the compressive and tensile structural elements together to form the structural elements which are then disposed throughout the beam cross-sectional profile and along its length.
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Cuda Irene
Nguyen Trinh
The Research Corporation of State University of New York
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