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| Number | Title | Issue Date |
| 7416769 | Friction stir welding member This invention provides a configuration of a joint that allows a satisfactory welded joint to be formed with reduced deformation of the joint region when two-face structures (panels) are friction-welded end to end. The panels 31, 32 each have two substantiall... | 08/26/2008 |
| 7370452 | Mat assembly for heavy equipment transit and support A mat assembly particularly suited for heavy equipment transit and support, such as roadway construction and the like. The mat assembly is made up of a number of structural members preferably having a “double I-beam” cross-sectional shape. Each I-beam has spaced... | 05/13/2008 |
| 7347030 | Modular truss system with a nesting storage configuration An aspect of the present disclosure relates to a truss span. One embodiment includes at least three chords in a generally parallel orientation with respect to each other, where adjacent chords provide a face of the truss span. The truss span includes a web that conn... | 03/25/2008 |
| 7278247 | Method and apparatus for replacing a utility pole A method and apparatus is provided for replacing a pole in an electrical utility support structure while the supported electrical wires remain energized. The method comprises erecting a replacement pole adjacent to a pole to be replaced, and providing a pivotable su... | 10/09/2007 |
| 7200886 | Construction of a corrosion-resistant tension member in the area where it enters a structure, particularly an inclined cable on the pylon of a cable stayed bridge A corrosion-resistant tension member, particularly an inclined cable of a cable stayed bridge, is comprised of a bundle of individual elements, for example, steel wire strands, which in its open area is encapsulated by sheathing, and which within the structure exten... | 04/10/2007 |
| 7104017 | Box girder structure for bridge provided with outer cable and method of building the box girder Outer cables disposed in a box girder in the longitudinal direction of a box girder bridge to prestress the box girder each have a transparent sheath made of a transparent polyethylene resin, vinyl chloride resin, polypropylene resin or the like, thereby allowing th... | 09/12/2006 |
| 7051917 | Beam end weld preparation Preparation of a weld between a structural I-beam end and a beam-to-column attaching end component wherein no beam flange material is removed to participate in the creation of a weld trough. Instead, the space for a weld trough is created in the end component, and t... | 05/30/2006 |
| 7051918 | Dual-biasing weld-attaching of end components to an elongate element A method utilizing a stabilizing jig structure for positioning and supporting the assembly of an elongate structural beam and a beam-end mounting component during weld attachment of that mounting component to an end of the beam. This method includes the steps of (a)... | 05/30/2006 |
| 7003921 | Expansion joint and reinforcement connection method using the expansion joint An expansive filler joint includes: a securing hollow body (1) embedded in a jointing end (3, 3) of forming concrete (K) or concrete segmental products (K′, K′), the securing hollow body (1) made of a rigid... | 02/28/2006 |
| 6915615 | Prestressed composite truss girder and construction method of the same The present invention relates to prestressed composite truss girder and construction method of the same. The prestressed composite truss girder of the present invention comprises a concrete bottom plate having structure of composite truss; a lower-chord member being... | 07/12/2005 |
| 6763635 | Boom with mast assembly A torsion- and bending resistant boom formed of beams running the length of the structure, a set of pierced, transverse flanges arrayed along, and substantially perpendicular to, the length of the structure, a continuous longitudinal member running the length of the... | 07/20/2004 |
| 6698153 | Friction stir welding method, and hollow shape member for friction stir welding Face plates 11 and 12 of a hollow shape member 10 are abutted against face plates 21 and 22 of a hollow shape member 20. Grooves 18 formed to said face plates 11 and 12 at the abutted region receive projections 28 formed to said face plates 21 and 22. A c... | 03/02/2004 |
| 6647678 | Device for connecting prefabricated beams to pillars or similar load-bearing structural elements A device for connecting a beam to pillars, or similar load-bearing structural elements, for constructing buildings, particularly multi-story buildings, by way of prefabricated concrete components. The device comprises a first connection for connecting the... | 11/18/2003 |
| 6581343 | Prefabricated girder in two halves and roof structure The invention concerns a girder in reinforced concrete that has a flat intrados (11) and a flat or sloping extrados (12), which consists of two symmetrical halves or girders (13, 14) with adjacent parts that meet in a plane mid-way (15), perpendicular to ... | 06/24/2003 |
| 6532712 | Structural body and method of manufacture thereof A hollow frame member is constituted by two face plates 11, 12 (21, 22) joined in a truss shape by ribs. End portions of one of the face plates are positioned in the vicinity of an apex of the truss structure of the hollow frame member. End portions of th... | 03/18/2003 |
| 6425220 | Continuity tie A continuity tie for providing both tension and compression resistance to externally induced movement of building structural members. A central body member is provided with a plurality of bolt mounting apertures in a staggered pattern and a pair of end pl... | 07/30/2002 |
| 6354056 | Apparatus and method for providing a reinforced roof truss A reinforced truss includes a pre-existing top chord and a pre-existing bottom chord, a reinforcing top chord, first and second reinforcing chord heel plates, each of the reinforcing chord heel plates having a plate, a reinforcing truss bracket attached t... | 03/12/2002 |
| 6256949 | Supporting wooden panel element for constructing ceilings or bridges and use of a screw for connecting boards to form a panel element In a wooden panel element (1) for ceiling structures or for bridge construction there is provided a plurality of boards (25) standing on edge perpendicular to the plane of the panel element (1) and running along the entire length thereof, which boards are... | 07/10/2001 |
| 6250031 | Double slope beam in two halves The present invention concerns a double slope beam in vibrated or pre-compressed reinforced concrete, composed of two complementary halves or semi-beams (10) each with a reinforcing framework and with adjoining parts which are destined to be mated togethe... | 06/26/2001 |
| 6243994 | Joint for pre-cast concrete twin-leaf arch sections A joint for pre-cast concrete twin-leaf arch sections is self-aligning when the two arch sections are initially brought into abutting contact with each other. The joint provides a rigid connection between the twin units and is achieved on site by means of... | 06/12/2001 |
| 6170209 | Prestressing system for wood structures and elements The present invention is a prestressing system for wood elements and structures and a method from prestressing wood beams. In its most basic form, the system for prestressing structures comprises a plurality of members arranged in a predetermined configur... | 01/09/2001 |
| 6145268 | Apparatus and method for providing a reinforced roof truss A reinforced truss includes a pre-existing top chord and a pre-existing bottom chord, a reinforcing top chord, first and second reinforcing chord heel plates, each of the reinforcing chord heel plates having a plate, a reinforcing truss bracket attached t... | 11/14/2000 |
| 6112486 | Continuity tie A continuity tie for providing both tension and compression resistance to externally induced movement of building structural members. A central body member is provided with a plurality of bolt mounting apertures in a staggered pattern and a pair of end pl... | 09/05/2000 |
| 6105321 | Prestressed wood composite laminate An adhesive is applied to high strength fiber reinforcements and the first and second wood strands so that they together form a wood segment. Before the adhesive is cured, a simultaneous tension force is applied to the fiber reinforcements and an equilibr... | 08/22/2000 |
| 5964068 | Modular truss system A modular truss system that is formed by connecting a plurality of linear and non-linear truss modules together. The truss system further including a tensional member that is adapted to create and maintain a biasing force that urges the individual truss m... | 10/12/1999 |
| 5924250 | Sealing arrangement in a bundled tension member for prestressed concrete A sealing arrangement for closing off the areas to be filled with a casting compound of a tension member composed of a bundle of individual elements arranged within a tubular sheathing, for example, a stay cable of a cable-stayed bridge, includes a sealin... | 07/20/1999 |
| 5921042 | Continuity tie A continuity tie for providing both tension and compression resistance to externally induced movement of building structural members. A central body member is provided with a plurality of bolt mounting apertures in a staggered pattern and a pair of end pl... | 07/13/1999 |
| 5867954 | Multi-axis prestressed double-tee beam and method of construction A multi-axis prestressed double-tee beam and method for construction the same is provided, the prestressed double-tee beam includes a cantilever type and a simple-support type, the cantilever type is composed of a pair of laterally combined steel skeleton... | 02/09/1999 |
| 5852905 | Method for manufacturing a composite girder and so manufactured girder A method for manufacturing a composite girder including one or more vertical cores of steel plate, associated and cooperating with one or more horizontal slabs or flanges of concrete. At least one of the horizontal slabs or flanges is made from high-perfo... | 12/29/1998 |
| 5826384 | Modular truss system A modular truss system that is formed by connecting a plurality of linear and non-linear truss modules together. The truss system further including a tensional member that is adapted to create and maintain a biasing force that urges the individual truss m... | 10/27/1998 |
| 5813181 | Continuity tie A continuity tie for providing both tension and compression resistance to externally induced movement of building structural members. A central body member is provided with a plurality of bolt mounting apertures in a staggered pattern and a pair of end pl... | 09/29/1998 |
| 5809713 | Structural elements A structural beam (10,20) including a plurality of transversely extending discrete timber pieces (12) arranged in alignment, each timber piece (12) having opposed parallel faces which abut with equivalent faces of adjacent pieces, aligned apertures being ... | 09/22/1998 |
| 5675943 | Lateral load-resisting structure having self-righting feature The constructability of a concrete structure is facilitated by providing pre-assembled, modular frame units formed of steel or concrete beams and columns. Reinforcing bars have their opposite ends embedded in the beams that form each frame unit, but in mo... | 10/14/1997 |
| 5491941 | Slippage controlled threaded rebar joint in reinforced concrete A rebar splice joint embedded in a reinforced concrete structure and having improved seismic resistance is made between a first rebar with an internal thread and a second rebar element having a male thread between a stop shoulder and the end of the rebar.... | 02/20/1996 |
| 5291704 | Modular construction joist made up of a high-strength plastic material, particularly suitable for realizing grids, and closure members subjected to pedestrian and vehicle traffic This invention relates to a modular construction joint made up of a high-strength, composite plastic material, possibly embedding a glass fiber or similar filling material, said joist being suitable for realizing grid-like and closure members which can st... | 03/08/1994 |
| 5218801 | Roof truss and decking system A roof truss and decking system having trusses constructed with multiple truss blocks (8) stacked end to end with crush plates (14) in between. Keystones (16) are placed at the apex of the trusses or the crush plates (14) wedge shaped forming the trusses ... | 06/15/1993 |
| 4910940 | Modular structural arrays Modular units are assembled in an array to form a column or beam. The units are provided with apertures and are connected together by bolts or connecting rods. The units are formed of concrete or other cementitious material and points of contact between a... | 03/27/1990 |
| 4890437 | Segmented arch structure An arch structure is prefabricated from compression segments, the structure generally comprising one or more arch arcs with end anchor elements. Each arch segment comprises a trapezoidal frame structure fabricated from short lengths of sawn lumber, and fa... | 01/02/1990 |
| 4757656 | Lintel system A lintel system includes a steel flange plate adapted to rest on the wall adjacent both sides of an opening to be spanned, a steel reinforcing structure integral with the flange plate and steel primary reinforcing rods welded to the reinforcing structure ... | 07/19/1988 |
| 4694622 | Concrete structural elements, process and device for manufacturing these elements Concrete; structural elements having a high permissible working load typically in the range of at least 50-100 MPa. The element includes a block of compressed concrete surrounded by a tubular hoop made of intercrossed wires. Such elements are useful for m... | 09/22/1987 |
