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| Number | Title | Issue Date |
| 6649237 | Mat consisting of tubes A tube mat made of elastomer material in the form of an extrudate includes first and second front faces which are arranged in a vertical or angled manner in relation to the extrusion direction. A plurality of tubes extend in parallel in the extrusion dire... | 11/18/2003 |
| 6364214 | Block boot for railway track systems The invention pertains to a boot for a railway block or tie. The boot is provided with fins that extend from an internal wall of the boot. The fins serve to space the internal wall from the railway block or tie during pouring and curing of concrete or gro... | 04/02/2002 |
| 6283383 | Rail system The invention relates to a rail system (1) comprising a line of rails with fixations, cross ties (wood, concrete, etc.), an infrastructure (2) on which the cross ties are laid, as well as an elastomeric cross tie shoe, whose sidewall (7), which tapers upw... | 09/04/2001 |
| 5725149 | Support device for railway rails A support device has a boot 2 made of elastic material, having a bottom 3 and a peripheral sidewall 4 attached to the bottom and extending upwardly therefrom. The boot is configured to envelop a crosstie 1 from the base thereof up to a predetermined heigh... | 03/10/1998 |
| 5605282 | Tire railroad ties A railroad rail support system is provided which utilizes tire carcasses filled with annular concrete cores. Railroad rails are attached to the concrete tire carcasses by means of load distribution plates anchored to the concrete cores and hold-down clips... | 02/25/1997 |
| 5551631 | Rail support device for unballasted railway track Rail support device for unballasted railway track comprising at least one concrete block resting on a flexible base, the assembly being held in an elastomeric shell which is anchored in a bed or mortar covering the lower part of said block, and which has ... | 09/03/1996 |
| 4381076 | Dropped railroad tie for railway without ballast The construction of steel-concrete railroad ties onto which rails are fixed is disclosed. The ties are composed of a metal saddle for fastening to the rail, comprising a tie-plate extending over a part of the upper surface of the tie and forming the zone ... | 04/26/1983 |
| 4266719 | Track mounting assembly and sound-damping system therefore A rail-mounting assembly in which a rigid member supporting the rail is received with clearance in an opening of an overlying rigid body. The clearance has downwardly and inwardly inclined flanks which bear upon a rubber-metal support damping sound, shock... | 05/12/1981 |
| 4121766 | Railway tie collar A track supporting railway tie collar includes an upper receptacle for slidably and loosely receiving an end portion of a cross tie and a lower enlarged portion supported in the ballast beneath the track structure. The collar serves to transfer the weight... | 10/24/1978 |
