US20100308122A1 - Concrete sleeper and method for regulating the position of rails - Google Patents
Concrete sleeper and method for regulating the position of rails Download PDFInfo
- Publication number
- US20100308122A1 US20100308122A1 US12/679,073 US67907308A US2010308122A1 US 20100308122 A1 US20100308122 A1 US 20100308122A1 US 67907308 A US67907308 A US 67907308A US 2010308122 A1 US2010308122 A1 US 2010308122A1
- Authority
- US
- United States
- Prior art keywords
- sleeper
- rail
- concrete sleeper
- concrete
- fixing elements
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B3/00—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails
- E01B3/28—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B9/00—Fastening rails on sleepers, or the like
- E01B9/66—Rail fastenings allowing the adjustment of the position of the rails, so far as not included in the preceding groups
Definitions
- the invention relates to a concrete sleeper with fixing elements for fixing rails incorporated, insertable or inserted into a sleeper body.
- the position of the rails with conventional sleepers can be adjusted in the horizontal direction transverse to the rails with the rail fixing over a range of about 8 mm.
- a larger range of adjustment would be desirable in order to compensate for example track errors due to tolerances of the concrete sleeper arising during manufacture of the fixed carriage way or subsequently.
- a concrete sleeper which can be used for various track widths.
- the concrete sleeper In the region of the rail support area, the concrete sleeper has four fixing apertures respectively into which dowels can be screwed.
- the rail can be mounted at two different positions of the rail support area by means of rail fixings, a spacer being additionally required. Thus, in all, three different track widths can be realised. Since the rail can only be positioned in two different positions, the horizontal adjustability of this concrete sleeper is limited.
- a similar concrete sleeper is known from EP 0 377 765 A1.
- the rail can be positioned above one of the two middle through-apertures, so that two different positions are produced for each rail and therefore three different track widths. Continuous horizontal adjustment is not possible, however.
- the object of the invention is therefore to indicate a concrete sleeper which permits improved horizontal adjustment and in which adjustment of the track is possible even subsequently.
- the sleeper body of the concrete sleeper has at least four apertures for fixing elements per rail to be fixed, and these elements are arranged in pairs to the left and right of the rail support area, the two apertures for fixing elements of one pair being arranged staggered in the longitudinal direction of the concrete sleeper.
- fixing elements includes in this case dowels and/or sleeper bolts, in particular for through-bolts, or shoulders incorporated in the concrete sleeper. With these fixing elements, different options are available for fixing the rail to the concrete sleepers.
- the horizontal position of the rail can be adjusted virtually continuously over a wide range by selectively screwing each sleeper bolt into a dowel of a dowel pair, in which case one such dowel pair is provided both to the left and right of the rail.
- the angle guidance plates disposed to the left and right of the rail have different widths. If a sleeper bolt is offset on one side of the rail, the sleeper bolt must be similarly offset in the rail longitudinal direction on the other side of the rail in order that the distance between the two angle guidance plates remains constant. If this is not possible or not desirable, the altered position of the sleeper bolt can also be compensated by using a different angle guidance plate. Accordingly, the horizontal position of the rail can be adjusted virtually continuously over a wide range by the selection of respectively fitting angle guidance plates.
- the angle guidance plates disposed to the left and right of the rail are arranged staggered in the longitudinal direction of the rail.
- the arrangement of the fixing apertures in the concrete sleeper causes fewer problems.
- the invention relates to a method of adjusting the position of rails which are fixed by means of fixing elements incorporated, insertable or inserted into a sleeper body of a concrete sleeper.
- a concrete sleeper with a sleeper body which has at least four apertures for fixing elements per rail to be fixed, the apertures being arranged in pairs to the left and right of the rail support area, the two apertures for fixing elements of one pair being arranged staggered in the longitudinal direction of the concrete sleeper.
- dowels and/or sleeper bolts in particular for through-bolts, or shoulders incorporated in the concrete sleeper are used as fixing elements.
- each sleeper bolt can be inserted selectively into one of two dowels, the fixing position of the rail on the concrete sleeper can be adjusted in its longitudinal direction during the manufacture of the fixed carriageway or subsequently.
- the sleeper bolts are undone and at least one sleeper bolt is screwed into another dowel.
- both sleeper bolts can be screwed into other dowels.
- angle guidance plates of different widths can be used to the left and right of the rail.
- the sleeper bolts can be undone and at least one sleeper bolt screwed into another dowel.
- angle guidance plates which have a different width from the angle guidance plates originally used.
- FIG. 1 a concrete sleeper according to the invention with assembled rail in a section view
- FIG. 2 a plan view of a concrete sleeper with angle guidance plates
- FIG. 3 a further embodiment of a concrete sleeper with angle guidance plates
- FIG. 4 a further embodiment of a concrete sleeper with angle guidance plates
- FIG. 5 a further embodiment of a concrete sleeper with angle guidance plates.
- FIG. 1 shows a detail of a sleeper body of a concrete sleeper 1 in the region of a rail support area 2 .
- the concrete sleeper 1 comprises altogether two rail support areas 2 , which are connected together by a middle portion (not shown).
- the rail support areas 2 are symmetrical with respect to the centre line of the concrete sleeper 1 .
- the fixing elements comprise fixing apertures and dowels inserted therein, into which the sleeper bolts are screwed.
- the fixing apertures In the rail support area 2 shown in FIG. 1 , four fixing apertures 3 are formed, which are staggered relative to the longitudinal direction of the concrete sleeper 1 .
- a dowel 4 is inserted into each fixing aperture 3 .
- a rail 5 rests on an intermediate plate 6 , below which a base plate 7 and a resilient intermediate plate 8 are located.
- angle guidance plates 9 , 10 are used, which have a fundamentally cuboid shape and whose inclined outer face 11 is adapted to the incline of the oblique face 12 of the concrete sleeper 1 .
- Sleeper bolts 13 , 14 are screwed into the dowels 4 and press clamping members 15 , 16 against the angle guidance plates 9 , 10 and the rail foot 17 of the rail 5 .
- the concrete sleeper 1 has four dowels 4 for the rail 5 to be fixed, which dowels are arranged in pairs on the left- and right-hand side respectively of the rail support area 2 .
- the two dowels of one dowel pair are in this case arranged staggered relative to one another respectively in the longitudinal direction of the concrete sleeper 1 .
- the position of the rail 5 can be adjusted in the horizontal direction, perpendicular to the rail longitudinal direction by inserting the sleeper bolts 13 , 14 into one of the two dowels on the left-hand side of the rail support area and into one of the two dowels on the right-hand side of the rail support area 2 .
- the different fixing positions are compensated by correspondingly selected fitting angle guidance plates 9 , 10 , so that by selecting suitable mutually fitting pairs of angle guidance plates 9 , 10 , the position of the rail 5 can be adjusted in the horizontal direction.
- the angle guidance plates 9 , 10 used may have different widths.
- the essential feature is that the gap between the angle guidance plates 9 , 10 remains substantially constant and corresponds to the width of the rail foot 17 .
- the position of the rail can in practice be adjusted roughly over a range of 8 to 40 mm, preferably a range of roughly 15 to 30 mm.
- FIG. 2 shows a detail of a concrete sleeper 18 in a plan view.
- the fixing apertures 3 with the dowels 19 , 20 , 21 , 22 are arranged staggered relative to one another with respect to the longitudinal direction of the concrete sleeper 18 .
- four dowels 19 , 20 , 21 , 22 are provided, which are arranged as the corners of a trapezium on the rail support area 2 .
- one dowel 19 , 20 of the left-hand dowel pair and one dowel 21 , 22 of the right-hand dowel pair are used. Accordingly, there are different options for fixing a rail, which are shown in FIGS. 2 to 5 .
- the two lower dowels 19 , 21 are used to fix the angle guidance plates 9 , 10 by means of sleeper bolts. Since the angle guidance plates 9 , 10 have different widths, the rail is fixed off-centre on the rail support area 2 .
- the two lower dowels 19 , 21 are used for fixing angle guidance plates 23 , 24 .
- these angle guidance plates 23 , 24 have different widths compared to the angle guidance plates 9 , 10 of FIG. 2 .
- a virtually continuous horizontal adjustment of the rail can take place without changing the position of the sleeper bolts.
- the diametrically opposite dowels 19 , 22 are used to fix angle guidance plates 25 , 26 .
- the angle guidance plates are staggered relative to one another in the rail longitudinal direction.
- the length of the angle guidance plates 25 , 26 is shorter than that of the angle guidance plates 23 , 24 .
- the dowels 19 , 22 are used to fix the angle guidance plates 27 , 28 .
- the angle guidance plates 27 , 28 are of different widths, so that the rail is offset in the longitudinal direction of the concrete sleeper 18 compared to the arrangement of FIG. 4 .
- the precise adjustment of the rail position takes place by the selection of suitable angle guidance plates 27 , 28 .
- the distance between the two respectively opposite angle guidance plates is in this case so selected that it approximately corresponds to the width of the rail foot,
Abstract
Concrete sleeper with fixing elements incorporated, insertable or inserted into a sleeper body for fixing rails, wherein the sleeper body of the concrete sleeper (1, 18) has at least four apertures for fixing elements per rail (5) to be fixed, the apertures being arranged in pairs to the left and right of the rail support area (2), the two apertures for fixing elements of one pair being arranged staggered in the longitudinal direction of the concrete sleeper (1, 18).
Description
- The invention relates to a concrete sleeper with fixing elements for fixing rails incorporated, insertable or inserted into a sleeper body.
- Fixed carriageways, in particular those for high-speed trains, must be manufactured with a high degree of precision. The track width and the position of the rails are adjusted by aligning the concrete sleepers, and then the aligned concrete sleepers are cast in to produce the fixed carriageway.
- In order to compensate tolerances, installation errors or position changes after manufacture, the position of the rails with conventional sleepers can be adjusted in the horizontal direction transverse to the rails with the rail fixing over a range of about 8 mm. However, it has been found that in some cases a larger range of adjustment would be desirable in order to compensate for example track errors due to tolerances of the concrete sleeper arising during manufacture of the fixed carriage way or subsequently. Furthermore, there are fixed carriageways in which horizontal displacements or deformations have to be taken into account due to operation of rail vehicles or changes in position of the subsoil.
- From DE 101 28 844 A1, a concrete sleeper is known which can be used for various track widths. In the region of the rail support area, the concrete sleeper has four fixing apertures respectively into which dowels can be screwed. The rail can be mounted at two different positions of the rail support area by means of rail fixings, a spacer being additionally required. Thus, in all, three different track widths can be realised. Since the rail can only be positioned in two different positions, the horizontal adjustability of this concrete sleeper is limited.
- A similar concrete sleeper is known from
EP 0 377 765 A1. In that concrete sleeper, there are four through-apertures for sleeper bolts. The rail can be positioned above one of the two middle through-apertures, so that two different positions are produced for each rail and therefore three different track widths. Continuous horizontal adjustment is not possible, however. - The object of the invention is therefore to indicate a concrete sleeper which permits improved horizontal adjustment and in which adjustment of the track is possible even subsequently.
- To achieve this, in a concrete sleeper of the type mentioned in the introduction, it is provided that the sleeper body of the concrete sleeper has at least four apertures for fixing elements per rail to be fixed, and these elements are arranged in pairs to the left and right of the rail support area, the two apertures for fixing elements of one pair being arranged staggered in the longitudinal direction of the concrete sleeper.
- The concept “fixing elements” includes in this case dowels and/or sleeper bolts, in particular for through-bolts, or shoulders incorporated in the concrete sleeper. With these fixing elements, different options are available for fixing the rail to the concrete sleepers.
- In the concrete sleeper according to the invention, the horizontal position of the rail can be adjusted virtually continuously over a wide range by selectively screwing each sleeper bolt into a dowel of a dowel pair, in which case one such dowel pair is provided both to the left and right of the rail. Thus, even at the stage of manufacturing the fixed carriageway, improved options are provided for adjusting the horizontal position of the rails and furthermore the horizontal position of the rail can be adjusted subsequently if, over time, horizontal deformations should occur.
- According to a further embodiment of the invention, it can be provided that the angle guidance plates disposed to the left and right of the rail have different widths. If a sleeper bolt is offset on one side of the rail, the sleeper bolt must be similarly offset in the rail longitudinal direction on the other side of the rail in order that the distance between the two angle guidance plates remains constant. If this is not possible or not desirable, the altered position of the sleeper bolt can also be compensated by using a different angle guidance plate. Accordingly, the horizontal position of the rail can be adjusted virtually continuously over a wide range by the selection of respectively fitting angle guidance plates.
- With the concrete sleeper according to the invention, it can be provided that the angle guidance plates disposed to the left and right of the rail are arranged staggered in the longitudinal direction of the rail. In a construction of this type, the arrangement of the fixing apertures in the concrete sleeper causes fewer problems.
- The concrete sleeper according to the invention has the advantage that the track width of the rails fixed to the concrete sleeper, i.e. the distance between the two rail heads measured on the inside, is constant irrespective of the position of the sleeper bolts.
- In addition, the invention relates to a method of adjusting the position of rails which are fixed by means of fixing elements incorporated, insertable or inserted into a sleeper body of a concrete sleeper.
- In the method according to the invention it is provided that a concrete sleeper with a sleeper body is used which has at least four apertures for fixing elements per rail to be fixed, the apertures being arranged in pairs to the left and right of the rail support area, the two apertures for fixing elements of one pair being arranged staggered in the longitudinal direction of the concrete sleeper.
- Preferably, in the method according to the invention, dowels and/or sleeper bolts, in particular for through-bolts, or shoulders incorporated in the concrete sleeper are used as fixing elements.
- Since each sleeper bolt can be inserted selectively into one of two dowels, the fixing position of the rail on the concrete sleeper can be adjusted in its longitudinal direction during the manufacture of the fixed carriageway or subsequently.
- Within the method according to the invention, it is provided that in order to compensate horizontal changes of position of the rails the sleeper bolts are undone and at least one sleeper bolt is screwed into another dowel. Preferably, both sleeper bolts can be screwed into other dowels.
- In order to ensure a constant distance between the two angle guidance plates in the method according to the invention, angle guidance plates of different widths can be used to the left and right of the rail.
- If the horizontal rail position needs to be adjusted subsequently, in order to compensate, the sleeper bolts can be undone and at least one sleeper bolt screwed into another dowel. In this connection, it may be advantageous to use angle guidance plates which have a different width from the angle guidance plates originally used.
- Further advantages and details of the invention will be explained below with the aid of embodiments and with reference to the drawings, which are schematic representations showing:
-
FIG. 1 a concrete sleeper according to the invention with assembled rail in a section view; -
FIG. 2 a plan view of a concrete sleeper with angle guidance plates; -
FIG. 3 a further embodiment of a concrete sleeper with angle guidance plates; -
FIG. 4 a further embodiment of a concrete sleeper with angle guidance plates; and -
FIG. 5 a further embodiment of a concrete sleeper with angle guidance plates. -
FIG. 1 shows a detail of a sleeper body of a concrete sleeper 1 in the region of arail support area 2. The concrete sleeper 1 comprises altogether tworail support areas 2, which are connected together by a middle portion (not shown). Therail support areas 2 are symmetrical with respect to the centre line of the concrete sleeper 1. - In the embodiment shown, the fixing elements comprise fixing apertures and dowels inserted therein, into which the sleeper bolts are screwed. In the
rail support area 2 shown inFIG. 1 , four fixing apertures 3 are formed, which are staggered relative to the longitudinal direction of the concrete sleeper 1. A dowel 4 is inserted into each fixing aperture 3. Arail 5 rests on anintermediate plate 6, below which a base plate 7 and a resilientintermediate plate 8 are located. In order to align therail 5 horizontally,angle guidance plates outer face 11 is adapted to the incline of theoblique face 12 of the concrete sleeper 1.Sleeper bolts clamping members angle guidance plates rail foot 17 of therail 5. - As can be deduced from
FIG. 1 , the concrete sleeper 1 has four dowels 4 for therail 5 to be fixed, which dowels are arranged in pairs on the left- and right-hand side respectively of therail support area 2. The two dowels of one dowel pair are in this case arranged staggered relative to one another respectively in the longitudinal direction of the concrete sleeper 1. In the manufacture of the fixed carriageway, the position of therail 5 can be adjusted in the horizontal direction, perpendicular to the rail longitudinal direction by inserting thesleeper bolts rail support area 2. The different fixing positions are compensated by correspondingly selected fittingangle guidance plates angle guidance plates rail 5 can be adjusted in the horizontal direction. As is shown inFIG. 1 , theangle guidance plates angle guidance plates rail foot 17. Thus the position of the rail can in practice be adjusted roughly over a range of 8 to 40 mm, preferably a range of roughly 15 to 30 mm. - With this adjustment option, tolerances arising even at the stage of installation or installation errors can be compensated. Likewise, track errors or other inaccuracies caused by tolerances of the concrete sleeper can be compensated. If over the course of time there is movement of the subsoil or there are changes in position due to the passage of rail vehicles, these can be compensated subsequently. In order to adjust position deviations, the
sleeper bolts rail 5 is in a laterally offset position. -
FIG. 2 shows a detail of aconcrete sleeper 18 in a plan view. The fixing apertures 3 with thedowels concrete sleeper 18. For fixing a rail, fourdowels rail support area 2. To effect fixing, onedowel dowel FIGS. 2 to 5 . - In
FIG. 2 , the twolower dowels angle guidance plates angle guidance plates rail support area 2. - In the
concrete sleeper 18 shown inFIG. 3 , correspondingly to the concrete sleeper ofFIG. 2 , the twolower dowels angle guidance plates angle guidance plates angle guidance plates FIG. 2 . Thus a virtually continuous horizontal adjustment of the rail can take place without changing the position of the sleeper bolts. - In the
concrete sleeper 18 shown inFIG. 4 , the diametricallyopposite dowels angle guidance plates angle guidance plates angle guidance plates - In the
concrete sleeper 18 shown inFIG. 5 , correspondingly to the embodiment shown inFIG. 4 , thedowels angle guidance plates angle guidance plates concrete sleeper 18 compared to the arrangement ofFIG. 4 . The precise adjustment of the rail position takes place by the selection of suitableangle guidance plates
Claims (11)
1. Concrete sleeper with fixing elements for fixing rails incorporated, insertable or inserted into a sleeper body, characterised in that the sleeper body of the concrete sleeper has at least four apertures for fixing elements per rail to be fixed, which apertures are arranged in pairs to the left and right of the rail support area, wherein the two apertures for fixing elements of one pair are arranged staggered in the longitudinal direction of the concrete sleeper.
2. Concrete sleeper according to claim 1 , characterised in that the fixing elements comprise dowels and/or sleeper bolts, in particular for through-bolts, or shoulders incorporated into the concrete sleeper.
3. Concrete sleeper according to claim 2 , characterised in that for fixing the rail a first sleeper bolt is inserted into a dowel disposed to the left of the rail support area and a second sleeper bolt is inserted into a dowel disposed to the right of the rail support area.
4. Concrete sleeper according to claim 2 , characterised in that the angle guidance plates of different widths are disposed to the left and right of the rail.
5. Concrete sleeper according to claim 4 , characterised in that the angle guidance plates disposed to the left and right of the rail are arranged staggered relative to one another in the longitudinal direction of the rail.
6. Concrete sleeper according to claim 1 , characterised in that the track width of the rails fixed to the concrete sleeper is constant irrespective of the position of the fixing elements.
7. Method of adjusting the position of rails which are fixed by means of fixing elements incorporated, insertable or inserted into a sleeper body of a concrete sleeper, characterised in that a concrete sleeper with a sleeper body is used which has at least four apertures for fixing elements per rail to be fixed, the apertures being arranged in pairs to the left and right of the rail support area, the two apertures for fixing elements of one pair being arranged or being staggered in the longitudinal direction of the concrete sleeper.
8. Method according to claim 7 , characterised in that dowels and/or sleeper screws, in particular for through-bolts, or shoulders in corporate in the concrete sleeper are used as fixing elements.
9. Method according to claim 8 , characterised in that in order to compensate horizontal position changes of the rails, sleeper bolts are undone and at least one sleeper bolt is screwed into another dowel.
10. Method according to claim 7 , characterised in that angle guidance plates of different width are used to the left and right of the concrete sleeper.
11. Method according to claim 10 , characterised in that angle guidance plates are used which have a different width from the angle guidance plates originally used.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007045709.1 | 2007-09-24 | ||
DE102007045709A DE102007045709B3 (en) | 2007-09-24 | 2007-09-24 | Concrete sleeper and method for regulating the position of rails |
PCT/DE2008/001568 WO2009039836A1 (en) | 2007-09-24 | 2008-09-23 | Concrete sleeper and method for regulating the position of rails |
Publications (1)
Publication Number | Publication Date |
---|---|
US20100308122A1 true US20100308122A1 (en) | 2010-12-09 |
Family
ID=40260822
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/679,073 Abandoned US20100308122A1 (en) | 2007-09-24 | 2008-09-23 | Concrete sleeper and method for regulating the position of rails |
Country Status (5)
Country | Link |
---|---|
US (1) | US20100308122A1 (en) |
AR (1) | AR068634A1 (en) |
DE (1) | DE102007045709B3 (en) |
RU (1) | RU2010114076A (en) |
WO (1) | WO2009039836A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110220730A1 (en) * | 2010-03-15 | 2011-09-15 | Concrete Systems Inc. | Prefabricated plinth for supporting a railway track |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2711777C1 (en) * | 2019-04-26 | 2020-01-22 | Акционерное общество "БетЭлТранс" | Reinforced-concrete under-rail base |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB154846A (en) * | 1920-04-27 | 1920-12-09 | Albert Henry | Improvements in or relating to fastening device for fixing metallic members, railwayrails, iron sections, machinery frames and the like on to reinforced concrete |
US1795817A (en) * | 1929-09-09 | 1931-03-10 | Wallace C Yeomans | Concrete railway tie |
US4917295A (en) * | 1987-09-21 | 1990-04-17 | Matlock Gordon E | Tie plate rail fastening system |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1930541C3 (en) * | 1969-06-16 | 1974-03-14 | Heinz 4300 Essen-Steele Straetner | Rail fastening on a reinforced concrete slab |
EP0377765B2 (en) * | 1989-01-13 | 1994-11-02 | Wayss & Freytag Aktiengesellschaft | Concrete sleeper adaptable to two track gauges |
DE4317495A1 (en) * | 1993-05-26 | 1994-12-01 | Schreck Mieves Gmbh | Sleeper |
DE19607339A1 (en) * | 1996-02-27 | 1997-08-28 | Vossloh Werke Gmbh | Device for the highly elastic fastening of railroad tracks to standard concrete sleepers |
DE19824458C2 (en) * | 1998-05-30 | 2001-06-28 | Pfleiderer Infrastrukturt Gmbh | Device for fastening rails to sleepers on rail-guided traffic routes |
DE10128844B4 (en) * | 2001-06-15 | 2005-08-18 | Vossloh-Werke Gmbh | Device for fastening rails on a solid surface |
CA2593426C (en) * | 2004-02-16 | 2012-06-26 | Hermann Gruber | Tie for a ballasted track |
-
2007
- 2007-09-24 DE DE102007045709A patent/DE102007045709B3/en active Active
-
2008
- 2008-09-23 RU RU2010114076/11A patent/RU2010114076A/en unknown
- 2008-09-23 US US12/679,073 patent/US20100308122A1/en not_active Abandoned
- 2008-09-23 WO PCT/DE2008/001568 patent/WO2009039836A1/en active Application Filing
- 2008-09-24 AR ARP080104150A patent/AR068634A1/en unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB154846A (en) * | 1920-04-27 | 1920-12-09 | Albert Henry | Improvements in or relating to fastening device for fixing metallic members, railwayrails, iron sections, machinery frames and the like on to reinforced concrete |
US1795817A (en) * | 1929-09-09 | 1931-03-10 | Wallace C Yeomans | Concrete railway tie |
US4917295A (en) * | 1987-09-21 | 1990-04-17 | Matlock Gordon E | Tie plate rail fastening system |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110220730A1 (en) * | 2010-03-15 | 2011-09-15 | Concrete Systems Inc. | Prefabricated plinth for supporting a railway track |
US8544763B2 (en) * | 2010-03-15 | 2013-10-01 | Concrete Systems Inc. | Prefabricated plinth for supporting a railway track |
Also Published As
Publication number | Publication date |
---|---|
RU2010114076A (en) | 2011-11-10 |
WO2009039836A1 (en) | 2009-04-02 |
AR068634A1 (en) | 2009-11-25 |
DE102007045709B3 (en) | 2009-04-30 |
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Owner name: RAIL.ONE GMBH, GERMANY Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:FREUDENSTEIN, STEPHAN;BERNS, GERHARD;SIGNING DATES FROM 20100303 TO 20100305;REEL/FRAME:024107/0509 |
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STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |