Communications: radio wave antennas – Antennas – With support for antenna – reflector or director
Reexamination Certificate
2007-08-07
2007-08-07
Phan, Tho (Department: 2821)
Communications: radio wave antennas
Antennas
With support for antenna, reflector or director
C052S749100, C052S749100, C052S749100
Reexamination Certificate
active
10861113
ABSTRACT:
A new reinforced monopole cellular telephone tower comprises a plurality of flanged pipes strapped to the exterior of the monopole tower. The straps retain the pipes to the monopole tower in a spaced relationship, and the flanges permit the pipes to be bolted together. The flanged pipes form columns about the monopole tower. Elastomeric pads are placed between the flanges at some or all of the bolted flanged connections to reduce the bending moment at the connections. The thickness of the pads may vary depending on vertical location, and some connections at lower levels may not require the pads. The elastomeric pads allow the upper portion of the monopole tower to retain most of its flexibility without unduly overstressing the pipe reinforcing that is undergoing high compression during high wind conditions.
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patent: 6131349 (2000-10-01), Hill
patent: 6453636 (2002-09-01), Ritz
patent: 6563475 (2003-05-01), Ianello et al.
patent: 6710751 (2004-03-01), Ianello et al.
patent: 6768474 (2004-07-01), Hunt
patent: 6901717 (2005-06-01), Brunozzi et al.
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