Patents in subclass Bridges/Connections
Parent class: Bridges
| Number | Patent title | Issue Date |
|---|---|---|
| 07281287 | Prop-type damping device There is disclosed a prop-type damping device which effectively consumes energy of up-and-down vibration on a main girder of a bridge caused by earthquakes, winds, passing vehicles or the like to prolong a life of the bridge and improve... |
10/16/2007 |
| 07036707 | Friction stir welding method, frame members used therein, and product formed thereby Disclosed is a friction stir welding technique which avoids occurrence of a dent, in a joining region, extending to a level beneath the joined surfaces. At end portions of the frame members to be joined, at the joining region, thickened... |
05/02/2006 |
| 06892409 | Portable bridge apparatus A bridge is provided with at least five segments connected in series. Each segment includes two opposed ends. The ends of adjacent segments are in pivoting connection with respect to each other. The bridge also comprises a plurality of... |
05/17/2005 |
| 06892410 | Reinforcement structure of truss bridge or arch bridge Through co-action between auxiliary triangular structural frames, which are each constructed at opposite ends of a truss girder or arch girder, and a cable stretched between the auxiliary triangular structural frames, an upwardly directed... |
05/17/2005 |
| 06804927 | Lattice panel structures A modular system for the construction of a lattice panel for a bridge, comprises first and second chord members (20, 28) and a plurality of web members (1). Each web member comprises three legs forming a triangle. One leg (2) extends... |
10/19/2004 |
| 06631530 | Modular bridge apparatus A modular bridge apparatus includes a self-supporting truss section that can be lifted and transported as a structural unit. The modular bridge has left and right longitudinally extending trusses. Each truss section is made of an upper... |
10/14/2003 |
| 06591567 | Lightweight fiber reinforced polymer composite modular panel A modular fiber reinforced polymer (FRP) module that interlocks with other similarly designed modules. Specifically, each FRP module has a female, receiver, end and a male, inserter, end such that the inserter of a first FRP module... |
07/15/2003 |
| 06539571 | System for constructing lattice panel bridges A system for use in constructing a lattice panel bridge, includes a plurality of substantially rectangular prefabricated steel lattice panels joined in end to end relationship to form a main girder for the bridge. Each panel comprises an... |
04/01/2003 |
| 06374445 | Tension rod for use as a chord for bridges Tension rod for use as a chord for bridges, having a middle part consisting of fiber composite material and having ends consisting of metallic material. The middle and end parts are connected by a glued tapered overlap. |
04/23/2002 |
| 6131357 | Modular articulated beam with variable geometry and length An articulated modular beam formed by a plurality of rigid modules designed to withstand compression on a planar surface, and a bendable coupling piece connecting the modules on one side such that the distance between one side of the... |
10/17/2000 |
| 5920936 | Hinge couplings for the side walls of a trough bridge A trough bridge is composed of a plurality of interconnected bridge sections each formed of a roadway deck segment and side wall segments located at opposite sides of the roadway deck segment. An articulation for pivotally attaching the... |
07/13/1999 |
| 5724691 | Deployable bridge assembled from individual components A deployable bridge is assembled from individual components. The components include cross girders and pavement slabs disposed between the cross girders, the cross girders each having opposite ends and first and second continuous girders... |
03/10/1998 |
| 5682635 | Bridge and road construction and method of removing worn deck structure A reinforced precast construction includes a generally panel-shaped reinforced concrete structural unit having a relatively flat upper surface adapted to support vehicles thereon and opposing ends configured to be positioned in abutting... |
11/04/1997 |