Title:
STRUCTURAL DUCT BEARING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2010/132966
Kind Code:
A3
Abstract:
The present invention relates to a duct bearing system, more specifically to a structural duct bearing system for specific use in tunnels, and aims at solving the problems and difficulties that arise when using traditional methods for mounting duct bearing structures in tunnels. The system is modular and essentially comprises a stay or beam made of a hollow structural section with a round cross-section secured to the tunnel wall or a trapezoidal bearing structure fastened by screws, said hollow structural section stay or beam comprising one or more points for fastening roller bearing support structures which comprise structural attachment or arresting elements secured by screws to the roller bearing support structure and to the hollow structural section stay or beam. The structure further comprises an upper fitting section for including additional modules that are fastened by screws to the tunnel walls.
Inventors:
GOMES FERNANDES PAULO ROBERTO (BR)
Application Number:
PCT/BR2010/000155
Publication Date:
February 23, 2012
Filing Date:
May 14, 2010
Export Citation:
Assignee:
GOMES FERNANDES PAULO ROBERTO (BR)
International Classes:
F16L1/00
Foreign References:
| BRPI0800385A | ||||
| BRMU8600496U | 2006-09-26 | |||
| BRPI7705678A | ||||
| BRPI9801566A |
Other References:
See also references of EP 2434188A4
Attorney, Agent or Firm:
DE OLIVEIRA, Paulo Maurício Carlos (18° AndarRio de Janeiro - RJ, Cep: -007, BR)
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