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| Number | Title | Issue Date |
| 7261244 | Tie plate An electrically-insulated tie plate for electrically isolating parts of a railroad rail system from each other. The electrically-insulated tie plate includes a base plate having a recessed area for receiving a railroad rail and a layer of electrically-insulating mat... | 08/28/2007 |
| 7156319 | Concrete railroad tie with guide plates for the rail base A concrete railroad tie, especially a two-block railroad tie, with an elastic rail support for ballast and solid tracks, with guide plates with twisting-prevention devices disposed in the supporting region between the base of the rail and the lateral, raised shoulde... | 01/02/2007 |
| 7032829 | Device for adjusting a rail on a rail substructure An apparatus for adjusting a rail (10) on a rail substructure (18), includes a support plate (24) which supports the rail (10) and is held on the rail substructure (18) by means of bolts (30) arranged on both sides of the ra... | 04/25/2006 |
| 7011253 | Engineered railroad ties To increase the resistance of plastic and/or plastic composite railroad ties tosliding within the ballast of the railroad bed, for example, sliding lengthwise (in the direction of the longitudinal axis of the tie) and sideways (in the direction perpendicular to the ... | 03/14/2006 |
| 6913717 | Method of constructing a rail track in which a concrete track slab is produced and rail track anchor members are inserted into the track slab A method of constructing a rail track in which a concrete track slab is produced and rail track anchor members are inserted in the track slab by an inserter system mobile along the route of the rail track includes the following steps: using a machine for continuousl... | 07/05/2005 |
| 6651896 | Rail mounting system A rail mounting system for mounting a rail (31), to a rail bearing (20), the mounting system comprising a tapered baseplate (26, 27) for supporting the base flange of a rail (30) on the rail bearing at an inclination thereto, and clamp devices (34, 35, 36... | 11/25/2003 |
| 5738278 | Anchor sleeve for composite anchors and method of preparing corrosion-resistant anchorages An anchor sleeve for a composite anchor is threaded in its inside surface and is anchored by at least one of an organic and inorganic mortar in a borehole formed in a concrete tie for rails or in a similar receiving material. The inside threaded sleeve (2... | 04/14/1998 |
| 5538182 | Railroad crossing system A railroad grade crossing system includes an integral concrete pad that has a pair of spaced-apart cavities located in its upper surface. The cavities have planar bottom surfaces that support rails with their heads flush with the top surface of the pad. T... | 07/23/1996 |
| 5494212 | Rail-tie fastening method for concrete tie A rail-tie fastening assembly for fastening a rail to a concrete tie comprising a rail seat assembly and a rail anchor. The rail seat assembly includes a rail seat basin and a rail seat wherein the rail seat is disposed in the rail seat basin and bonded t... | 02/27/1996 |
| 5485955 | Rail-tie fastening assembly for concrete tie A rail-tie fastening assembly for fastening a rail to a concrete tie comprising a rail seat assembly and a rail anchor. The rail seat assembly includes a rail seat basin and a rail seat wherein the rail seat is disposed in the rail seat basin and bonded t... | 01/23/1996 |
| 5203501 | Device for fixing a rail onto a slab of concrete Device for fixing a rail onto a slab of concrete comprising a metal chair fixed onto a metal base with interposition of a resilient sole, by means of clamps which are tightened by rotation on an inclined plane and which come to fix simultaneously the rail... | 04/20/1993 |
| 5083706 | Concrete sleeper with east-in insert cooperating with a fastener assembly A fastener assembly for a railroad concrete sleeper wherein an insert is embedded in the concrete and extends across the sleeper, the insert having flanges which form between them a mouth of a T-slot over a wider space below the flanges and having surface... | 01/28/1992 |
| 4946099 | Sleeper construction A concrete sleeper has an elongate metal insert having a T-slot containing a T-head of a retaining block which bears against a rail foot to retain rail gauge. The retaining block can be rotated by 180° and slid along the T-slot to abut an edge of the foo... | 08/07/1990 |
| 4925094 | Concrete railroad ties A concrete railroad tie has rail seats defined by plates, which are made from stainless steel or other non-corrodable metal or plastic, cast into the top surface of the tie at the rail seats. The stiffness of the plates should be less than that of the con... | 05/15/1990 |
| 4923118 | Anti-vibration support system for railroads The sole of each rail of a railroad track rests at regular intervals on a cushion of shock-absorbing material, the stiffness of each shock-absorbing cushion being such that the cushions form alternate resilient and rapid supports. Each cushion is placed i... | 05/08/1990 |
| 4773591 | Elastic rail pad An elastic rail pad to be positioned between a tie and a rail includes a first portion to be positioned beneath a foot of the rail at the field side thereof, a second portion to be positioned beneath the rail foot at the gauge side thereof, and a connecti... | 09/27/1988 |
| 4757945 | Electrically insulating device for use on a railway track under and beside the foot of a rail A device to be placed on a railway sleeper (1) or some other foundation for a railway rail (3) includes a pad (2) and two upstanding portions (6A). The pad (2) is of resilient and electrically insulating material and the upstanding portions (6A) are of st... | 07/19/1988 |
| 4754921 | Cushioned railroad truck roadway crossing module A cushioned railroad track roadway crossing module comprises a base having a central raised section and a pair of opposite depressed side sections. Releasable rail fixation members for releasably fixing a pair of rails to the base in substantially paralle... | 07/05/1988 |
| 4632308 | Adjustable rail fastener assembly A rail fastener assembly includes a rail seat laterally shiftable incrementally to properly position a supported rail. Anchoring of the seat to an underlying foundation is achieved by a clamp ring surrounding the periphery of the seat and including a plur... | 12/30/1986 |
| 4632307 | Arrangement for fastening rails to sleepers An arrangement for fastening rails to sleepers includes guide plates (10) disposed to the sides of each rail and elastic clips (20), which may be pressed onto the respective guide plate (10) and onto the foot of the rail by means of bolts (30) anchored in... | 12/30/1986 |
| 4566629 | Structure for fixing a rail to a tie A structure for fixing a rail to a tie includes a short stud 24 which is embedded in the concrete 2 of a tie above the longitudinally extending metal strut 4 of the tie and on the axis thereof. Welded to this stud, and even half embedded therein, are uppe... | 01/28/1986 |
| 4494695 | Device for affixing a rail to a concrete support A narrow metal plate is embedded in the upper surface of a concrete tie and is curved at one end to form a vertical abutment which projects several centimeters. The plate extends under a rail and is fixedly attached to a tightening bolt which extends thro... | 01/22/1985 |
| 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 |
| 4349150 | Concrete sleeper with the fastening housing A fastening housing for a rail clamp comprising a carrier plate and a superstructure having cavities for accommodating an end part and a rail clamp, said carrier plate having substantially vertically directed anchoring members extending in a concrete slee... | 09/14/1982 |
| 4267970 | Holder for a guiding structure A holder for arranging a rail on a supporting concrete or wooden sleeper, comprising an open housing, which can be engaged by fasteners, comprising anchoring parts, which are embedded in a concrete sleeper or pierced into screwholes in a wooden sleeper, t... | 05/19/1981 |
| 4143818 | Rail fastening apparatus A rail fastening apparatus for cooperation with a rail which is supported on and extends transversely across a tie. The apparatus comprising a steel support positioned adjacent one side of the rail and having a leg portion which is buried in the tie and a... | 03/13/1979 |
| 4141499 | Concrete railroad bed A cast concrete rail bed is provided which includes plural panels, each panel having a pair of longitudinally extending laterally spaced rail-supporting pedestals, with a connector between them, and each having a rail-receiving slot in its top. Each pedes... | 02/27/1979 |
| 4106694 | Prefabricated rail base unit consisting of a plurality of projections and a single continuous slab A railroad bed assembly for supporting thereon metallic railroad tracks is formed with a base structure which consists essentially of reinforced concrete made as prefabricated blocks with the base structure including a slab section adapted to be installed... | 08/15/1978 |
| 3957201 | Concrete railroad tie anchor structure An improved anchor structure for use with concrete railroad ties. A modular base plate is cast into the concrete tie with integral upwardly projecting shoulders extending from the base plate which complement it to present a seat to support a steel railroa... | 05/18/1976 |
