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| Number | Title | Issue Date |
| 7637689 | On-grade plates for joints between on-grade concrete slabs Embodiments of the invention relate to an on-grade joint-stability system for on-grade concrete slabs. Embodiments of the system may include: a first on-grade concrete-slab portion; a second on-grade concrete-slab portion that is separated from the first on-grade co... | 12/29/2009 |
| 7243471 | 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 proj... | 07/17/2007 |
| 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 |
| 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 |
| 5816738 | Composite synthetic material tile and suitable laying system and laying plate therefor Floor coverings of composite tiles having a polygonal ground plan and having elastic properties. A recess which is formed of a hollow space in the composite tiles can include a cylindrical support molded on the underside of the tiles. The walls of each co... | 10/06/1998 |
| 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 |
| 5649784 | Expansion joint system and method of making A method of making a flexible, yet durable expansion joint that is at a general even grade with abutting roadway surfaces. The method includes cutting a recess into adjacent roadway slabs having a gap therebetween, and thereafter cleaning the recesses. A ... | 07/22/1997 |
| 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 |
| 5255996 | Method of constructing a roadway A method of constructing a paved surface such as a roadway in which piles (8) are placed in the ground (G) and preformed slabs (4) are laid over the piles (8) to form a continuous paved surface. The preformed slabs (4) may be short in length and may be su... | 10/26/1993 |
| 4653956 | Highway pavement A highway pavement of concrete slab-on-grade surface includes a prestressed portland cement concrete surface layer which is mounted on a non-freezing low restraint support grade layer without any linear physical connection thereto in such a manner as to p... | 03/31/1987 |
