"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
Dr. Alfred Velpeau, French surgeon ; 1839
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| Number | Title | Issue Date |
| 5887788 | Steel pipe connector of ladder-type sleeper for railway track To provide inexpensively a connector constructed of a steel pipe and bearing a tie function of a ladder-type sleeper for railway tracks, in a connector constructed of a steel pipe 1 used in the ladder-type sleeper for railway tracks integrated with longit... | 03/30/1999 |
| 5582346 | Ladder-type sleepers and railway tracks The present invention comprises longitudinal beams provided on the underside of each of a pair of rails in the longitudinal direction of the rails and multiple connectors which mutually connect these longitudinal beams at designated spacings along the lon... | 12/10/1996 |
| 5513797 | Installation of rail tracks in roadways A track rail having a groove for flanges of rail vehicle track wheels in an upper surface of the rail and having a central bar portion and flanges extending integrally sideways from the top of the bar portion is inserted in a recess preformed in the roadw... | 05/07/1996 |
| 5353987 | Railroad track system having vertically adjustable railroad tie and method of construction therefor A railroad track has a roadbed made of concrete and a pair of track beams of precast concrete mounted to the roadbed. Main bodies of the track beams have at the tops thereof a plurality of protrusions serving as ties and a plurality of recesses for receiv... | 10/11/1994 |
| 4577801 | Elastomeric mounting for railway rail with differently angled flanks A mounting for one rail of a pair of railroad rails having inner sides turned toward each other and outer sides turned away from each other comprises a base supported on the ground under the one rail and formed with an upwardly open recess having inner an... | 03/25/1986 |
| 4343432 | Guideway for continuous welded rail According to this invention a guideway for railway vehicles and the like having beams or slabs extending between columns or footings comprises a continuous welded steel rail which is fixed directly to the columns or footings. The rail is prestressed in te... | 08/10/1982 |
| 4216904 | Device for fastening a railway track on sleepers disposed end to end A railway track in which a rail is supported within a groove of a rail bed. The groove has outwardly sloping shoulders each spaced from the sides of the rail. Continuous clamps extend along each side of the rail. The clamps are secured by spaced apart hol... | 08/12/1980 |
| 4174066 | Corrosion resistant self-aligning track configurations particularly adapted for railroad cars A replaceable track apparatus comprises two channels separated one from the other and formed in a concrete bed. The channels are lined with a corrosion resistant material and have located therein, a track containing vessel which comprises a corrosion resi... | 11/13/1979 |
| 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 |
| 4079889 | Railroad track rail A rail track that reduces noise and vibration for particular use in rapid transit and subway lines. The track is formed of a conventional rail embedded in a pre-stressed concrete bed. Sections of such jacketed rails are joined together by means of flanges... | 03/21/1978 |