Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Three-dimensional space-defining
Reexamination Certificate
2011-01-11
2011-01-11
Tran A, Phi Dieu (Department: 3633)
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Three-dimensional space-defining
C052S646000, C052S691000, C052S633000
Reexamination Certificate
active
07866112
ABSTRACT:
A slotted channel with a supplemental flange as a building member has at least one supplemental flange extending from at least one slot in the member web or primary flanges yielding a building member with increased strength, both compressive (longitudinally) and in shear (transverse). The slotted member presents a reduced area through which heat or sound may be conducted and slots in which insulation is received, both increasing resistance to heat and sound transfer.
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A Phi Dieu Tran
Tingey David L.
LandOfFree
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