Patents in subclass Bridges/Arch

Parent class: Bridges

Number Patent title Issue Date
07240387 Ornamental bridge kit

An ornamental bridge kit includes a frame having a first and second side beams (10, 12) of a length that may fit within a shipping container. The frame further includes a plurality of transverse braces (16) spanning between the internal...
07/10/2007
07204058 Concrete arch and method of manufacture

A flat-formed arch ring unit includes a linear array of voussoir portions connected along their upper edges. The unit is then archable. A method is provided for forming an archway including the steps of arching one or more the flat formed...
04/17/2007
07100231 Foldable ramp having rung hinge

A foldable ramp having an improved hinge construction to increase load capacity. The foldable ramp overcomes the disadvantages of the prior art by providing a ramp having a first ramp section and a second ramp section, pivotable relative...
09/05/2006
07062812 Arch bridge

A bridge, comprising a set of arches, each extending longitudinally along the bridge, including at least one central arch and at least two side arches, symmetrically disposed about the central arch. The side arches are slanted...
06/20/2006
07017219 Dismountable bridge

A dismountable bridge, having two track carriers which, viewed in the longitudinal direction of the bridge, are divided into several identical modules, in which case the two track carriers are each spanned by a vault and are suspended at...
03/28/2006
06682259 Structure having an insulated support assembly

A structure for supporting a road along a road axis over an underpass space spanned by the structure. The structure includes two footings underlying the road with each support assembly being securely mounted to the earth. The structure...
01/27/2004
06205605 Method of construction of a vault, bearing piece and half-shell for construction of the vault

Method of construction of a vault, in which at least two half-shells (1-8; 60) are brought to bear against one another by means of at least two bearing pieces (30, 50; 70) which are mated and, each half-shell (1-8; 60) comprising an upper...
03/27/2001
6138309 Tension members for erecting structures

A tension member is provided for use in erecting structures that has an elongated body with an outer wall defining an inner space. A tendon extends from one end of the body to the other within the defined inner space. The tendon has a...
10/31/2000
5890948 Toy bridge

A toy bridge comprising a stand and, supported thereby, a bridge road element having a roadway on each of two opposite flat sides. The stand is turnable and can optionally be placed on a base in a first or second position, in which the...
04/06/1999
5590433 Monolithic cast bridge

A monolithic cast bridge broadly includes a unitary, monolithic structure (12) having a pair of spaced haunches (14, 16) a span (18) having upper and lower surfaces (20, 22) and a pair of axially extending webs (24, 26). Haunches (14, 16)...
01/07/1997