EP0420882A1 - Rail for vehicles. - Google Patents
Rail for vehicles.Info
- Publication number
- EP0420882A1 EP0420882A1 EP89906759A EP89906759A EP0420882A1 EP 0420882 A1 EP0420882 A1 EP 0420882A1 EP 89906759 A EP89906759 A EP 89906759A EP 89906759 A EP89906759 A EP 89906759A EP 0420882 A1 EP0420882 A1 EP 0420882A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rail
- boundary surfaces
- frame
- lateral boundary
- angle
- 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.)
- Granted
Links
- 239000000543 intermediate Substances 0.000 claims 13
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- 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
- E01B9/62—Rail fastenings incorporating resilient supports
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B19/00—Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B5/00—Rails; Guard rails; Distance-keeping means for them
- E01B5/02—Rails
-
- 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
- E01B9/68—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair
- E01B9/685—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair characterised by their shape
- E01B9/686—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair characterised by their shape with textured surface
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2204/00—Characteristics of the track and its foundations
- E01B2204/11—Embedded tracks, using prefab elements or injecting or pouring a curable material
Definitions
- the invention relates to an elastically mounted rail for rail vehicles, which is supported with its lateral boundary surfaces located below the rail head against the inner lateral boundary surfaces of a frame, the lateral boundary surfaces of the rail and / or the inner lateral boundary surfaces of the frame in two in the region of the support Sections - an upper and a lower section - are divided, each tapering downwards.
- the invention has for its object to improve the rail mentioned in such a way that it allows an optimal setting of the characteristic curve for each application and is thus still superior to the aforementioned known rail.
- the solution to the problem is that in the upper section the lateral boundary surfaces of the rail form an angle with the vertical which is between 0 ° and 10 °, that in the lower section the lateral boundary surfaces of the rail form an angle mi the vertical which is between 15 ° and 30 °, and that the inner lateral boundary surfaces of the frame form an angle with the vertical which is between 5 ° and 30 °.
- a further solution to the problem is that in the upper section the inner lateral boundary surfaces of the frame form an angle with the vertical that is between 15 ° and 40 °, that in the lower section the inner lateral boundary surfaces of the frame form an angle with to form the perpendicular, the is between 0 ° and 10 °, and that the lateral boundary surfaces of the rail form an angle with the vertical which is between 0 ° and 30 °.
- angles are expediently chosen such that the
- the angle that the boundary surfaces of the rail form with the vertical in the upper section is approximately 3 °, that the angle that the boundary surfaces of the rail form with the vertical in the lower section is approximately 20 °, and that the angle that the inner side
- Boundary surfaces of the frame with the vertical image is about 15 °; or that the angle, which in the upper section forms the inner lateral boundary surfaces of the frame with the vertical, is approximately 20 °, since the angle, which forms in the lower section the inner lateral boundary surfaces of the frame with the vertical, is approximately 3 °, and that the angle which the lateral boundary surfaces of the rail form with the vertical is approximately 18 °.
- the elastic intermediate layer extends to the st of a standardized rail.
- each elastic intermediate layer between the rail and the frame is pre-tensioned in such a way that it has a spring constant between 2 KN / m and 8 KN / mm, preferably 3.5 KN / mm, based on 1 rail.
- each elastic intermediate layer is provided with recesses. By appropriately selecting the shape and arrangement of these recesses, the spring travel can be designed as desired via the possible travel of the rail and thus can be adapted to all requirements.
- the recesses are arranged within the elastic intermediate layer.
- the recesses are expediently dimensioned such that when the normal load on the rail is reached, the deflection of the rail is between 1 mm and 15 mm, preferably approximately 6 mm. This deflection is sufficiently large to achieve the desired sound insulation and still requires very little space.
- the recesses essentially have the shape of a rectangle which extends in the direction of the lateral boundary surfaces of the rail , and that the width of the rectangle is dimensioned such that it assumes the value zero when the rail is normally loaded.
- At least two recesses are provided in each elastic intermediate layer.
- the elastic intermediate layers are formed by a sealing element that surrounds the rail foot.
- Binding piece with properties similar to the elastic intermediate layers connected to one another, a free space being provided between the rail foot and the connecting piece or between the connecting piece and the bottom of the frame, the height of which corresponds to the deflection of the rail under normal load. This ensures the correct arrangement of the elastic intermediate layers both when installing the rail and after installation.
- the connecting piece can consist of the same material as the elastic intermediate layers.
- the connecting piece In order to round off the kink in the characteristic curve that occurs when the normal load on the rail is exceeded, the connecting piece is provided with lugs which extend over the entire height of the free space below the rail foot.
- a certain lateral movement is made possible for the rail foot in that the connecting piece is provided with recesses on its sides facing away from the rail foot.
- the penetration of water between the rail and the frame is prevented by the fact that the elastic intermediate layer is provided on both sides with approximately triangular projections.
- a is the web of a standardized rail on both sides
- the boundary surface facing away from the web of the rail assumes the function of a lateral boundary surface of the rail. So that the position of the molded part is immutable, the molded part is held according to a further feature of the invention by two lugs provided on the elastic intermediate layer.
- the elastic intermediate layer is held on the frame by an extension overlapping the upper edge of the frame. It also significantly improves the electrical insulation between the rail and the frame.
- Another feature of the invention is that, in the case of a prestressed elastic intermediate layer, the distance between the upper boundary surface of the rail foot and the boundary surface of the frame lying opposite and approximately parallel thereto is at least 5 mm.
- FIG. 1 shows the left half of a rail enclosed by a frame, the lateral boundary surfaces of which are bent below the rail head, while the inner lateral boundary surfaces of the frame run in a straight line;
- Fig. 2 shows the right half of the rail shown in Fig. 1, but with a different configuration of the connector provided under the rail foot;
- FIG. 3 shows the left half of a rail enclosed by a frame, the lateral boundary surfaces of which run in a straight line beneath the rail head, while the inner lateral boundary surface of the frame is bent;
- FIG. 4 shows the right half of the rail shown in FIG. 3, but with a different configuration of the connecting piece provided under the rail foot;
- Fig. 7 shows the right half of another standardized rail enclosed by a frame.
- the rail 1 with its lateral boundary surfaces 2 located below the rail head 3 is supported by elastic intermediate layers 4 against the inner lateral boundary surfaces 5 of the frame 6.
- recesses 7 are provided which have approximately the shape of a rectangle. This rectangle extends in the direction of the lateral boundary surfaces 2 of the rail 1.
- the width B of the rectangular recesses 7, which decreases when the rail 1 is loaded, is dimensioned such that it is at d normal load N indicated by an arrow (cf. Fig. 4) assumes the value zero.
- the elastic intermediate layers 4 are connected to one another by a connecting piece 9 enclosing the rail foot 8.
- a free space 11 is provided below the rail foot 8. This free space 11 can, as shown in Fig. 1, be provided between the rail foot 8 and the connector 9, or, as shown in Fig. 2, between the connector 9 and the bottom 10 of the frame 6.
- the connector 9 can with Approaches 13 may be provided, which extend over the entire height of the free space 11
- the inner lateral boundary surfaces 5 of the frame 6 run rectilinearly and therefore form only an angle W6 with the vertical S, while the lateral boundary surfaces 2 of the rail 1 are bent in such a way that their upper region 2.0 forms an angle W1 with the vertical S. and its lower area 2.U forms an angle Wl.U with the vertical S.
- the lateral boundary surfaces 2 of the rail 1 run in a straight line and therefore only form an angle W 1 with the vertical S, while the inner lateral boundary surfaces 5 of the frame 6 are bent in such a way that their upper region 5.0 forms an angle W6.0 with the vertical S and its lower area 5.U forms an angle W6.U with the vertical S.
- free space 11 is provided below the rail foot 8 e.
- the height H of the free space 1 corresponds to the deflection E of the rail 1 at the normal load N (cf. FIG. 4), so that the height H of the free space 11 at the normal load N also assumes the value zero.
- the connecting piece 9 is provided with cutouts 12 (cf. FIG. 3).
- Fig. 5 shows the left half of an elastic intermediate layer 4 in the untensioned state.
- the elastic intermediate layer 4 On its side facing away from the rail, the elastic intermediate layer 4 is provided with approximately rectangular projections 14 which serve to preload the elastic intermediate layer 4 after installation. Furthermore, the elastic intermediate layer 4 has in its upper region approximately triangular projections 15 on both sides, which prevent the ingress of water between the rail and the frame.
- a molded part 17 is attached to the web 16 of a standardized rail 1A on both sides.
- the boundary surface 2A of the molded part 17 facing away from the web 16 of the rail 1A assumes the function of a lateral boundary surface of the rail 1A.
- the molded part 17 is held by a lower nose 18 provided on the elastic intermediate layer 4A and an upper nose 19 which is located at the end of an extension 20 of the elastic intermediate layer 4A which overlaps the molded part 17.
- the elastic intermediate layer 4A is held by an extension 21 which overlaps the upper edge of the frame 6A.
- the molded part 17 is provided on its boundary surface 2A facing away from the web 16 of the rail 1A with approximately triangular projections 24 which oppose a displacement of the molded part 17 prevent the elastic intermediate layer 4A.
- the exemplary embodiment shown in FIG. 7 also has a standardized rail 1A.
- the elastic intermediate layer 4.B extends to the web of the standardized rail 1A.
- a distance A is provided between the upper boundary surface 8.0 of the rail foot and the boundary surface 6.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Railway Tracks (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Seats For Vehicles (AREA)
Abstract
Un rail (1) élastiquement monté pour véhicules sur rails comprend des surfaces latérales de délimitation (2) situées au-dessous du champignon de rail (3) qui s'appuient contre les surfaces latérales internes de délimitation (5) d'un cadre (6). Dans la zone de support, les surfaces latérales de délimitation (2) du rail (1) et/ou les surfaces latérales internes de délimitation (5) du cadre (6) sont subdivisées en deux sections: une section supérieure et une section inférieure qui rétrécissent vers le bas. Dans la section supérieure, les surfaces latérales de délimitation (2.0) du rail (1) forment un angle (W1.0) compris entre 0° et 10° par rapport à la verticale (S). Dans la section inférieure, les surfaces latérales de délimitation (2.U) du rail (1) forment un angle (W1.U) compris entre 15° et 30° par rapport à la verticale (S) alors que les surfaces latérales internes de délimitation (5) du cadre (6) forment un angle (W6) compris entre 5° et 30° par rapport à la verticale (S).A resiliently mounted rail (1) for rail vehicles includes boundary side surfaces (2) located below the rail head (3) which rest against the inner side boundary surfaces (5) of a frame ( 6). In the support area, the lateral boundary surfaces (2) of the rail (1) and / or the internal lateral boundary surfaces (5) of the frame (6) are subdivided into two sections: an upper section and a lower section which shrink down. In the upper section, the lateral boundary surfaces (2.0) of the rail (1) form an angle (W1.0) of between 0 ° and 10 ° with respect to the vertical (S). In the lower section, the boundary side surfaces (2.U) of the rail (1) form an angle (W1.U) of between 15 ° and 30 ° with respect to the vertical (S) while the internal side surfaces of delimitation (5) of the frame (6) form an angle (W6) of between 5 ° and 30 ° relative to the vertical (S).
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT89906759T ATE97180T1 (en) | 1988-06-01 | 1989-05-30 | RAIL FOR RAIL VEHICLES. |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8807195U | 1988-06-01 | ||
DE8807195U DE8807195U1 (en) | 1988-06-01 | 1988-06-01 | Rail for rail vehicles |
PCT/EP1989/000607 WO1989012140A1 (en) | 1988-06-01 | 1989-05-30 | Rail for vehicles |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0420882A1 true EP0420882A1 (en) | 1991-04-10 |
EP0420882B1 EP0420882B1 (en) | 1993-11-10 |
EP0420882B2 EP0420882B2 (en) | 1997-11-12 |
Family
ID=6824641
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89906759A Expired - Lifetime EP0420882B2 (en) | 1988-06-01 | 1989-05-30 | Rail for vehicles |
Country Status (6)
Country | Link |
---|---|
US (1) | US5165598A (en) |
EP (1) | EP0420882B2 (en) |
JP (1) | JP2513879B2 (en) |
AU (1) | AU3757089A (en) |
DE (2) | DE8807195U1 (en) |
WO (1) | WO1989012140A1 (en) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8807195U1 (en) * | 1988-06-01 | 1988-09-15 | Trelleborg Gummiwerke GmbH, 2351 Wasbek | Rail for rail vehicles |
US5261599A (en) * | 1989-11-08 | 1993-11-16 | Pandrol Limited | Rail pads |
DE4027836A1 (en) * | 1990-09-03 | 1992-03-05 | Hermann Ortwein | BASE FOR A TRACK FOR RAIL VEHICLES |
DE4212826C2 (en) * | 1992-04-16 | 1999-01-21 | Friedrich Krumme | Liquid containers, in particular sewage treatment tanks |
DE4219472C2 (en) * | 1992-06-13 | 2002-02-07 | Hilti Ag | Device for storing rails |
DE4224082C2 (en) * | 1992-07-22 | 1996-10-31 | Draebing Kg Wegu | Sound-absorbing base bearing for a rail |
GB2272011B (en) * | 1992-10-28 | 1996-05-22 | Charles Penny | Method for securing in position a tramway or railway rail |
SE9302738L (en) * | 1993-08-25 | 1995-02-26 | Cito Trading Co | Device for the transmission of power between the rail of the tracked vehicle and the foundation |
DE4415892C1 (en) * | 1994-05-05 | 1995-08-17 | Heitkamp Gmbh Bau | Permanent way rail mounting |
AUPM894294A0 (en) * | 1994-10-20 | 1994-11-10 | Bishop, Arthur Ernest | Railway track |
GB9504424D0 (en) * | 1995-03-06 | 1995-04-26 | Pandrol Ltd | Rail-fastening assembly |
DK0856086T3 (en) * | 1995-10-20 | 2000-10-16 | Butzbacher Weichenbau Gmbh | superstructure construction |
DE19604887C2 (en) * | 1996-02-10 | 1999-10-21 | Metzer Horst | Ballastless superstructure for railways |
DE19646133A1 (en) * | 1996-11-08 | 1998-05-14 | Hermann Ortwein | Substructure for a track for rail vehicles |
US6402044B1 (en) * | 1997-02-03 | 2002-06-11 | Yugen Kaisha Koshinsha | Method of damping railroad noise and railroad noise damping members |
ES2147688B1 (en) * | 1997-07-04 | 2001-04-16 | De La Sota Tomas Olabarri | RAIL MOUNTING SYSTEM FOR RAILWAYS. |
DK1017906T3 (en) * | 1997-09-26 | 2004-03-01 | Phoenix Ag | rail Facilities |
WO1999020841A1 (en) * | 1997-10-21 | 1999-04-29 | Phoenix Aktiengesellschaft | Rail system |
ATE386843T1 (en) * | 2000-05-03 | 2008-03-15 | Ihec Acquisition Corp | RAIL PROTECTION |
DE10100033A1 (en) * | 2001-01-03 | 2002-07-04 | Butzbacher Weichenbau Gmbh | Railway rail comprises rail head, rail rib with fishplate chambers together with rail foot and at least one lining piece in fishplate chamber |
DE10100034A1 (en) * | 2001-01-03 | 2002-07-04 | Butzbacher Weichenbau Gmbh | Support point for railway rail, particularly for rail section in area of bridge seam, involves rail having rail head, rail rib, with fishplate chambers and rail foot and running along each long side support evolving from base |
US6789740B2 (en) * | 2001-11-06 | 2004-09-14 | Advanced Track Products, Llc | Rail mounting assembly |
WO2003076245A2 (en) | 2002-03-08 | 2003-09-18 | Iron Horse Engineering Co. | Railway crossing structure |
DE10302521A1 (en) * | 2003-01-23 | 2004-08-05 | Hermann Ortwein | Rail designed as a grooved rail for the formation of traffic routes for rail vehicles |
GB2399123B (en) * | 2003-03-05 | 2006-03-01 | Corus Uk Ltd | Rail damper |
GB2399124B (en) * | 2003-03-05 | 2006-07-26 | Corus Uk Ltd | Rail damper |
US20040221532A1 (en) * | 2003-05-05 | 2004-11-11 | Tom Shillington | Prefabricated concrete support mechanism for a railroad track with integral rubber boot and method of manufacture |
DE20314668U1 (en) * | 2003-09-23 | 2003-11-20 | Bogel, Johann, 79110 Freiburg | damping profile |
GB2428444A (en) * | 2005-07-19 | 2007-01-31 | Balfour Beatty Plc | Rail track arrangement and installation |
DE102013105090B4 (en) * | 2013-05-17 | 2016-12-15 | Rail.One Gmbh | Concrete sleepers and fixed carriageway |
CN103343496B (en) * | 2013-07-10 | 2016-06-08 | 铁道第三勘察设计院集团有限公司 | A kind of track bump leveller |
GB201702558D0 (en) * | 2017-02-16 | 2017-04-05 | Embedded Rail Tech Ltd | Rail installation |
CN113818290B (en) * | 2021-11-22 | 2022-01-28 | 成都中拓科技有限公司 | Continuous support floating rail type fastener system |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US223052A (en) * | 1879-12-30 | Improvement in elastic seats for railway-rails | ||
US2670136A (en) * | 1948-10-22 | 1954-02-23 | Railroad Rubber Products Inc | Resilient traction rail joint insulator |
US3295760A (en) * | 1964-02-25 | 1967-01-03 | Railroad Rubber Products Inc | Rubber rail seat for track structure and the like |
FR1462466A (en) * | 1965-11-05 | 1966-04-15 | Paulstra Repusseau | Improvements made to the means for fixing the railway tracks on their sleepers or supports |
US3358927A (en) * | 1966-05-03 | 1967-12-19 | Gen Tire & Rubber Co | Rail tie down assembly |
US3525472A (en) * | 1966-08-30 | 1970-08-25 | Japan National Railway | Vibration-suppressing composite rail for railways |
US3387781A (en) * | 1966-11-23 | 1968-06-11 | Railroad Rubber Products Inc | Rail anchor and rail seat construction |
DE2000006A1 (en) * | 1970-01-02 | 1971-07-08 | Buescher Pebueso Beton | Track support plate |
US3826423A (en) * | 1970-02-10 | 1974-07-30 | Clung R Mc | Rail seat and support structure |
US3945566A (en) * | 1974-09-23 | 1976-03-23 | New York City Transit Authority | Spring rail plate fasteners for direct railroad track fixation |
NL7701846A (en) * | 1977-02-21 | 1977-06-30 | James Walker & Co Nederland N | Elastically:supported railway track - has supporting layers of cast hardened resin adhering to rails and rigid supports |
DE3239685A1 (en) * | 1982-10-27 | 1984-05-03 | Clouth Gummiwerke AG, 5000 Köln | DEVICE FOR STORING RAILS FOR RAIL VEHICLES |
CA1194010A (en) * | 1984-07-27 | 1985-09-24 | Owen G. Grant | Rail seal |
NL8502169A (en) * | 1985-07-31 | 1987-02-16 | Edilon Bv | RAIL, IN WHICH RAILWAYS SUPPORT AGAINST RIGID SUPPORT PLATES THROUGH ELASTIC BRACKETS, AND METHOD FOR LAYING SUCH A RAIL |
NL8502313A (en) * | 1985-08-22 | 1987-03-16 | Hollandsche Betongroep Nv | Clamp fixture for mobile crane rail - has elastomeric lateral support blocks and rubber base strips |
DE3540128A1 (en) * | 1985-11-13 | 1987-05-14 | Clouth Gummiwerke Ag | ELASTIC BEARING RAIL FOR RAIL VEHICLES |
BE903871A (en) * | 1985-12-17 | 1986-04-16 | Dynamit Du Batiment En Abrege | Antivibration rail track system - has continuous elastic rail support with head and core inserted in grooves in concrete |
US4793545A (en) * | 1987-07-14 | 1988-12-27 | Construction Polymers Company | Embedded track assembly |
DE8807195U1 (en) * | 1988-06-01 | 1988-09-15 | Trelleborg Gummiwerke GmbH, 2351 Wasbek | Rail for rail vehicles |
-
1988
- 1988-06-01 DE DE8807195U patent/DE8807195U1/en not_active Expired
-
1989
- 1989-05-30 EP EP89906759A patent/EP0420882B2/en not_active Expired - Lifetime
- 1989-05-30 WO PCT/EP1989/000607 patent/WO1989012140A1/en active IP Right Grant
- 1989-05-30 AU AU37570/89A patent/AU3757089A/en not_active Abandoned
- 1989-05-30 DE DE89906759T patent/DE58906180D1/en not_active Expired - Fee Related
- 1989-05-30 JP JP1506523A patent/JP2513879B2/en not_active Expired - Fee Related
- 1989-05-30 US US07/602,311 patent/US5165598A/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO8912140A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP0420882B1 (en) | 1993-11-10 |
DE8807195U1 (en) | 1988-09-15 |
US5165598A (en) | 1992-11-24 |
EP0420882B2 (en) | 1997-11-12 |
JPH03504626A (en) | 1991-10-09 |
JP2513879B2 (en) | 1996-07-03 |
AU3757089A (en) | 1990-01-05 |
DE58906180D1 (en) | 1993-12-16 |
WO1989012140A1 (en) | 1989-12-14 |
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Legal Events
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