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| Number | Title | Issue Date |
| 7441985 | Method and apparatus for providing a dowell connection to maintain cast-in-place concrete slabs in alignment First and second cast-in-place concrete slabs are maintained in alignment by cutting a semi-circular groove in an edge surface of the first formed slab, positioning a flat rectangular dowel within the groove so that the dowel extends outwardly from the edge surface,... | 10/28/2008 |
| 7338050 | Expansion joint gasket An expansion gasket 10 positionable between similar or dissimilar materials having an exterior exposure to the elements. In the preferred embodiment, the expansion gasket of the present invention 10 provides means to seal a space occurring between mate... | 03/04/2008 |
| 7228666 | Device for equipping an expansion joint, in particular an expansion joint between concrete slabs A device for making a connection between concrete slabs, the device having two modules derived from sheets, each module having a number of flat elements which form projections, each module further having elements in the form of a right angle, having a flat part inte... | 06/12/2007 |
| 7223046 | Pavement crack initiator A device to ensure that when the transverse contraction joint in a pavement and the like cracks, the crack extends through the middle of the dowel bar. A dowel is a smooth continuous bar that is embedded in a concrete pavement. It provides vertical shear resistance ... | 05/29/2007 |
| 7134805 | Precast concrete slab system and method therefor A pre-fabricated concrete slab system and method have matching rectangular male and female type slabs which fit adjacent to each other in a checkerboard fashion. The male slabs include spaced reinforcing rods extending longitudinally and transversely through the mal... | 11/14/2006 |
| 7004443 | Concrete void former A void former comprises a core assembly having at least two body members. The body members are removably coupled together to define the desired shape of a void to be formed in a concrete slab. After the void has been formed in the concrete slab, the body members may... | 02/28/2006 |
| 6991400 | Cap sealer for caulked joints An improved sealant cap which is comprised of a flexible material, preferably, but not necessarily made of lead or other material having the same properties of lead, having a first arm member which is inserted downward into the caulking material after the caulking m... | 01/31/2006 |
| 6931807 | Bridging device for joint gaps A bridging device for joint gaps (1) between building parts (2, 3) including bridge parts, with an expansion joint construction (4) bridging a joint gap (1). The expansion joint construction (4) permits position changes of the buil... | 08/23/2005 |
| 6588160 | Composite structural member with pre-compression assembly A composite structural member with pre-compression assembly. The apparatus comprises a plurality of longitudinally extending composite units. Each composite unit comprises a plurality of longitudinally extending girders or beams disposed on the bridge sup... | 07/08/2003 |
| 6471441 | Shear-load chuck holder A shear-load chuck which is mounted between two members and has a multi-layer structure for transmitting dynamic loads. The multi-layer shear-load chuck is mounted on one surface of a junction like in the traditional bushing of a shear load chuck. A suppo... | 10/29/2002 |
| 6354760 | System for transferring loads between cast-in-place slabs A load plate for transferring loads between a first cast-in-place slab and a second cast-in-place slab separated by a joint. The load plate having a substantially tapered end having substantially planar upper and lower surfaces adapted to protrude into an... | 03/12/2002 |
| 5964069 | Bridging means for joint gap A bridging means for joint gaps between building components with an expansion joint construction bridging the joint gap, which is mountable on both sides of the joint gap on the building parts, is characterized in that at least between one of said buildin... | 10/12/1999 |
| 5887308 | Expansion joint system with seismic accommodation An expansion joint system which is designed to accommodate forces applied to highway construction during normal changes in ambient conditions, and which is also designed to withstand seismic forces which may be applied in transverse and longitudinal direc... | 03/30/1999 |
| 5810507 | Modular bridge deck system consisting of hollow extruded aluminum elements A light-weight, corrosion-resistant, readily installed bridge deck is formed of modular deck panels spliced to each other on site. Each of the deck panels is shop-fabricated by longitudinally welding flanges of adjacently placed multi-void extruded alumin... | 09/22/1998 |
| 5603134 | Portable bridge system A portable bridge system formed from at least a pair of substantially rectangular bridge platforms positioned in side-by-side relationship including end locking plates for locking the platforms together at the end regions thereof. The invention further in... | 02/18/1997 |
| 5338130 | Extruded thermoplastic elastomer expansion joint An expansion joint retainer is used in fastening a flexible elastomeric seal or strip seal to a structural slab. The retainer has a main body made from a first material. The main body has a thickness selected to permit emplacement of the retainer on the e... | 08/16/1994 |
| 5302050 | Device for bridging expansion joints in bridges or the like A device for bridging expansion joints in bridges or the like is provided with parallel lamellae arranged at right angles to the longitudinal axis of the traffic route. The lamellae are supported on at least two inclined traverses which are pivoted and mo... | 04/12/1994 |
| 5116653 | Expansion joint An improved expansion joint material for placement between adjoining slabs of concrete. The material is a non-porous water impermeable, polymerically bound reclaimed rubber and/or foam particles. The material is treated so as to be resistant to microbes, ... | 05/26/1992 |
| 5067297 | Expansion-joint cover assemblies An improved expansion-joint cover assembly of the type having a first base member secured to a first structural section and a second base member secured to a second structural section and a flexible-spring cover member coupled between said base members an... | 11/26/1991 |
| 4930677 | Concrete connector A connector for a concrete structure including two generally flat plates connected together along one edge to form an elongated structure having substantially an L-shaped cross section. One plate has an opening sized to allow unset concrete to flow throug... | 06/05/1990 |
| 4883385 | Load transfer assembly In the construction of concrete pavement on a roadbed by a continuous concrete paving machine, the end of a section of the pavement is finished off by setting on the roadbed an assembly comprising a plurality of elongated coupling members connected togeth... | 11/28/1989 |
| 4833851 | Expansion joints An expansion joint comprises a pair of support bases having a rail type shape lack of which is continuous in the longitudinal direction and is fixed to each edge of both members of a building defining an expansion joint gap, a plurality of connecting memb... | 05/30/1989 |
| 4773791 | Joint bridging construction for structures In a joint bridging construction for structures in which the sealing body of elastic material, which is flush with the top surface of the structure, by means of beads is inserted from above into upwardly open recesses of edge girders and against sliding-o... | 09/27/1988 |
| 4733513 | Tying bar for concrete joints An improved dowel or tying bar and joint construction for transferring stresses across a joint between concrete slabs or structures and accommodating for shrinkage and expansion of concrete. The bar has a resilient facing attached to at least one side of ... | 03/29/1988 |
| 4674912 | Assembly for bridging over expansion joints or bridges or the like The arrangement for covering over a gap in a roadway has bars running across the roadway. The bars are supported by transverse beams spanning the gap obliquely and which are supported at their ends in joint gap edge structures in such a way that the ends ... | 06/23/1987 |
| 4594830 | Bonding unit for reinforced concrete structural components A unit for bonding two structural reinforced concrete components comprises a mounting strip having a pair of oppositely directed main faces and a plurality of connector rods held firmly on the mounting strip. Portions of the connector rods project at inte... | 06/17/1986 |
| 4563850 | Devices for assembling together the slabs of concrete constituting highways For joining together two concrete slabs (1, 2) juxtaposed side by side along a crack (3), a cylindrical cartridge with vertical axis is used comprising two half shells (41, 42) made from cast metal and joined vertically together by a... | 01/14/1986 |
| 4516284 | Bridging arrangement for expansion joints in the carriageways of bridges or the like In the case of a bridging arrangement for expansion joints in the carriageways of bridges or the like having a plurality of parallel plates (1-5) which are adjacent to the surface of the carriageway, run at right-angles to the direction of the carriageway... | 05/14/1985 |
| 4486118 | Arrangement for bridging expansion joints in carriage ways, especially bridges An arrangement for bridging expansion joints in carriageways, especially bridges. One or more parallel plates run at right-angles to the direction of the carriageway adjacent at the top to the surface of the carriageway. The plates are supported at the bo... | 12/04/1984 |
| 4132491 | Restraint assembly for bridge roadway expansion joints A restraint assembly for bridge roadway expansion joints incorporates elastomer pads which resiliently mount a center channel of the expansion joint on a transverse support member thereby eliminating metal-to-metal contact and the production of objectiona... | 01/02/1979 |
| 4114219 | Longitudinally displaceable connection for cantilevered beam-type structural parts A pair of longitudinally extending cantilevered beam-type structural members are interconnected for the transmission of shearing forces between them. A part is secured to and projects longitudinally from the cantilevered end of one of the structural membe... | 09/19/1978 |
| 4041665 | Injection sealable waterstop and method of installing same A waterstop of elastic deformable rubbery material used in concrete structures with a substantially flat middle portion and enlarged side wing anchor sections with elastic or metal anchor strips and sponge material attached to the outer edge of the strips... | 08/16/1977 |
| 3968611 | Dilation joint strip A dilation joint strip of rubber, synthetic rubber or other synthetic material having a substantially flat middle portion and side wings, said side wings being provided with anchorage means for anchoring said wings in concrete, the substantially flat midd... | 07/13/1976 |
