EP0785308B1 - Helicoidal plastic sleeve - Google Patents
Helicoidal plastic sleeve Download PDFInfo
- Publication number
- EP0785308B1 EP0785308B1 EP96100609A EP96100609A EP0785308B1 EP 0785308 B1 EP0785308 B1 EP 0785308B1 EP 96100609 A EP96100609 A EP 96100609A EP 96100609 A EP96100609 A EP 96100609A EP 0785308 B1 EP0785308 B1 EP 0785308B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- screw
- anchor
- plastic
- dowel
- lower region
- 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.)
- Expired - Lifetime
Links
Images
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
- E01B9/02—Fastening rails, tie-plates, or chairs directly on sleepers or foundations; Means therefor
- E01B9/04—Fastening on wooden or concrete sleepers or on masonry without clamp members
- E01B9/14—Plugs, sleeves, thread linings, or other inserts for holes in sleepers
- E01B9/18—Plugs, sleeves, thread linings, or other inserts for holes in sleepers for concrete sleepers
Definitions
- the invention relates to a plastic dowel Fastening a rail on a threshold, in particular concrete sleeper, with an essentially cylindrical dowel body that has a head area and has a lower area, at least along a partial length of the lower area has an internal thread Inclusion of a threshold screw and an external thread are provided with which the plastic dowel from the Threshold can be turned out.
- a plastic dowel of this type is from the German Utility model GM 75 11 808 known. Such a Plastic dowels are used in the railway superstructure to the rails using a sleeper screw on the Fasten threshold.
- the shape of such Known plastic screw anchor is such that it in terms of its internal thread to the external dimensions a standard threshold screw is adapted.
- the External thread of the plastic dowel serves the purpose that this can be replaced later.
- Plastic dowels also for electrical insulation between Threshold screw and threshold.
- plastic dowels perform higher quality plastic materials, for example made of polypropylene or polyamide.
- a Another alternative is fiber-reinforced Use plastic matrix material. The above However, materials make them considerably more expensive Production costs of the plastic dowel.
- Plastic dowels for fastening a rail on a Concrete sleeper known to be essentially one has cylindrical dowel body.
- This dowel body has a threadless head area and a lower area.
- an essentially constant Wall thickness trained lower area are one Internal thread for receiving a threshold screw and a External thread provided, through which the dowel in the Threshold can be screwed in.
- the wall thickness of the anchor is chosen so that the ratio of inside to Outside diameter of the known dowel in the range of 1.3 lies.
- the dowel known from GB-A-865,120 also enables electrical insulation of the sleeper screw towards the threshold.
- there is a problem in danger of the screw being screwed in cuts the thin wall of the dowel. About the Cut surfaces moisture penetrating into the dowel can destroy the isolating effect.
- the object of the invention is based on the prior art explained above reasonable cost to produce plastic dowels to create the type described above, in which the Risk of its destruction when screwing on Minimum is reduced and at the same time one sufficient stability of the screw-dowel connection guaranteed.
- a plastic dowel to attach a rail a threshold, in particular a concrete threshold which with a substantially cylindrical Dowel body is equipped with a threadless head area and has a lower area, at least along a partial length of the lower area has an internal thread Inclusion of a threshold screw and an external thread are provided with which the plastic dowel from the Threshold can be unscrewed
- the lower area of the Anchor body one to the external thread of the Sleeper screw conformed shape of essentially has uniform wall thickness
- the wall thickness the anchor body is dimensioned so that the Dowel outer diameter at least 1.05 times and at most 1.2 times the inner diameter of the dowel is and with the lower region of the dowel body a rounded external thread of a sleeper screw is adjusted.
- the Dowel body the screw in the manner of a thin-walled Skin.
- the wall thickness of the plastic dowel for example for a sleeper screw with a Nominal diameter of 24 mm, 0.8 to 2 mm.
- the plastic dowel shown in Fig. 1 consists of a Plastic anchor body 1, which is a threadless Head region 1a and a lower region 1b, in both an external thread and an internal thread is trained.
- the head area 1a opens at the top of the Plastic dowel with a threshold screw 2 is rotatable, which in Fig. 1 and 4 in the Plastic dowel 1 screwed state shown is.
- the lower area 1b of the Dowel body designed so that it with even Wall thickness of the external thread 2a of the sleeper screw 2 envelops.
- the one formed in the lower area 1b serves by wrapping the sleeper screw with uniform wall thickness resulting in that the plastic dowel - for example to his Replace - can be turned out of the threshold.
- Fig. 2 shows the section through a conventional Sleeper screw.
- FIG. 4 shows the adapted one as section B from FIG. 1 Design of dowel body 1 and screw 2 in the area the wrapping.
- the dowel body according to the invention By designing the dowel body according to the invention the forces from the threshold screw over the Transfer plastic dowels to the concrete sleeper without that there is an exceedance of the permissible Yield stresses in the plastic material comes. Much more the thinness of the wall results in a more direct Contact between the parts to be connected without the electrical isolation effect canceled between the two becomes. It is advantageous that the lower region of the Anchor body to the rounded external thread of the Threshold screw is adjusted. This will make the danger cutting into the thin dowel wall when screwing in the screw compared to the sharp-edged thread avoided.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Pens And Brushes (AREA)
- Springs (AREA)
- Materials For Medical Uses (AREA)
- Moulds, Cores, Or Mandrels (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Cosmetics (AREA)
- Dental Preparations (AREA)
- Joining Of Building Structures In Genera (AREA)
- Flexible Shafts (AREA)
- Connection Of Plates (AREA)
- Dowels (AREA)
- Insulators (AREA)
Abstract
Description
Die Erfindung betrifft einen Kunststoffdübel zur Befestigung einer Schiene auf einer Schwelle, insbesondere Betonschwelle, mit einem im wesentlichen zylindrischen Dübelkörper, der einen Kopfbereich und einen unteren Bereich aufweist, wobei mindestens entlang einer Teillänge des unteren Bereichs ein Innengewinde zur Aufnahme einer Schwellenschraube und ein Außengewinde vorgesehen sind, mit dem der Kunststoffdübel aus der Schwelle herausdrehbar ist.The invention relates to a plastic dowel Fastening a rail on a threshold, in particular concrete sleeper, with an essentially cylindrical dowel body that has a head area and has a lower area, at least along a partial length of the lower area has an internal thread Inclusion of a threshold screw and an external thread are provided with which the plastic dowel from the Threshold can be turned out.
Ein Kunststoffdübel dieser Art ist aus dem deutschen Gebrauchsmuster GM 75 11 808 bekannt. Ein solcher Kunststoffdübel wird im Eisenbahnoberbau eingesetzt, um die Schienen mittels einer Schwellenschraube auf der Schwelle zu befestigen. Die Formgebung eines solchen bekannten Kunststoffschraubdübels erfolgt derart, daß er hinsichtlich seines Innengewindes an die Außenabmessungen einer Standardschwellenschraube angepaßt ist. Das Außengewinde des Kunststoffdübels dient dem Zweck, daß dieser nachträglich ausgewechselt werden kann. Neben dem Zwecke der mechanischen Befestigung dient der Kunststoffdübel auch zur elektrischen Isolation zwischen Schwellenschraube und Schwelle.A plastic dowel of this type is from the German Utility model GM 75 11 808 known. Such a Plastic dowels are used in the railway superstructure to the rails using a sleeper screw on the Fasten threshold. The shape of such Known plastic screw anchor is such that it in terms of its internal thread to the external dimensions a standard threshold screw is adapted. The External thread of the plastic dowel serves the purpose that this can be replaced later. Next to the The purpose of mechanical fastening is Plastic dowels also for electrical insulation between Threshold screw and threshold.
Es ist bekannt, Kunststoffdübel der eingangs genannten Art aus einem Polyethylen hoher Dichte (HDPE) auszuführen, um eine entsprechende Stabilität zu erreichen. Allerdings kommt es bei hohen Einschraubdrehmomenten oder hoher mechanischer Belastung der Schrauben-Dübel-Verbindung zu einer hohen Flächenpressung, welche von der Schwellenschraube auf das Dübelinnengewinde ausgeübt wird. Dabei kann die zulässige Fließspannung des Kunststoffmaterials überschritten werden, so daß es zu plastischen Verformungen oder zum Kriechen des Dübelwerkstoffs kommt und hierdurch die Schrauben-Dübel-Verbindung ihre Stabilität verliert, indem ein Klemmkraftverlust der Schraubverbindung und eine Minderung der Niederhaltekraft der Feder auf den Schienenfuß eintritt.It is known to use plastic anchors of the type mentioned High density polyethylene (HDPE) type to perform a corresponding stability to reach. However, it does come at high Screwing torque or high mechanical load the screw-dowel connection to a high one Surface pressure, which from the threshold screw to the Internal thread of the dowel is exercised. The permissible Yield stress of the plastic material exceeded be, so that there are plastic deformations or Creeping of the dowel material comes and thereby the Screw-dowel connection loses its stability, by a loss of clamping force of the screw connection and a reduction in the hold-down force of the spring on the Rail foot enters.
Aus der Praxis ist es bekannt, Kunststoffdübel aus höherwertigen Kunststoffmaterialien auszuführen, beispielsweise aus Polypropylen oder Polyamid. Eine weitere Alternative sieht vor, faserverstärktes Kunststoffmatrixmaterial einzusetzen. Die genannten Werkstoffe verteuern jedoch erheblich die Produktionskosten des Kunststoffdübels.From practice it is known to use plastic dowels perform higher quality plastic materials, for example made of polypropylene or polyamide. A Another alternative is fiber-reinforced Use plastic matrix material. The above However, materials make them considerably more expensive Production costs of the plastic dowel.
Neben dem voranstehend erläuterten Stand der Technik ist aus der britischen Patentschrift GB-A-865,120 ein Kunststoffdübel zur Befestigung einer Schiene auf einer Betonschwelle bekannt, der einen im wesentlichen zylindrischen Dübelkörper aufweist. Dieser Dübelkörper besitzt einen gewindelosen Kopfbereich und einen unteren Bereich. Entlang des mit einer im wesentlichen konstanten Wanddicke ausgebildeten unteren Bereichs sind ein Innengewinde zur Aufnahme einer Schwellenschraube und ein Außengewinde vorgesehen, über das der Dübel in die Schwelle eindrehbar ist. Die Wanddicke des Dübels ist dabei so gewählt, daß das Verhältnis von Innen- zu Außendurchmesser des bekannten Dübels im Bereich von 1,3 liegt.In addition to the prior art explained above from British Patent Specification GB-A-865,120 Plastic dowels for fastening a rail on a Concrete sleeper known to be essentially one has cylindrical dowel body. This dowel body has a threadless head area and a lower area. Along with an essentially constant Wall thickness trained lower area are one Internal thread for receiving a threshold screw and a External thread provided, through which the dowel in the Threshold can be screwed in. The wall thickness of the anchor is chosen so that the ratio of inside to Outside diameter of the known dowel in the range of 1.3 lies.
Auch der aus der GB-A-865,120 bekannte Dübel ermöglicht eine elektrische Isolation der Schwellenschraube gegenüber der Schwelle. Ein Problem besteht dabei jedoch in der Gefahr, daß die Schraube während des Einschraubens die dünne Wand des Dübels zerschneidet. Über die Schnittflächen in den Dübel eindringende Feuchtigkeit kann die isolierende Wirkung zunichte machen.The dowel known from GB-A-865,120 also enables electrical insulation of the sleeper screw towards the threshold. However, there is a problem in danger of the screw being screwed in cuts the thin wall of the dowel. About the Cut surfaces moisture penetrating into the dowel can destroy the isolating effect.
Der Erfindung liegt die Aufgabe zugrunde, ausgehend von dem voranstehend erläuterten Stand der Technik einen zu vertretbaren Kosten produzierbaren Kunststoffdübel der voranstehend erläuterten Art zu schaffen, bei dem die Gefahr seiner Zerstörung beim Einschrauben auf ein Minimum vermindert ist und der gleichzeitig eine hinreichende Stabilität der Schrauben-Dübel-Verbindung gewährleistet. Diese Aufgabe wird erfindungsgemäß durch einen Kunststoffdübel zur Befestigung einer Schiene auf einer Schwelle, insbesondere Betonschwelle gelöst, welcher mit einem im wesentlichen zylindrischen Dübelkörper ausgestattet ist, der einen gewindelosen Kopfbereich und einen unteren Bereich aufweist, wobei mindestens entlang einer Teillänge des unteren Bereichs ein Innengewinde zur Aufnahme einer Schwellenschraube und ein Außengewinde vorgesehen sind, mit dem der Kunststoffdübel aus der Schwelle herausdrehbar ist, wobei der untere Bereich des Dübelkörpers eine an das Außengewinde der Schwellenschraube angepaßte Form von im wesentlichen gleichmäßiger Wandstärke aufweist, wobei die Wandstärke des Dübelkörpers so bemessen ist, daß der Dübelaußendurchmesser mindestens das 1,05-fache und höchstens das 1,2-fache des Dübelinnendurchmessers beträgt und wobei der untere Bereich des Dübelkörpers an ein ausgerundetes Außengewinde einer Schwellenschraube angepaßt ist.The object of the invention is based on the prior art explained above reasonable cost to produce plastic dowels to create the type described above, in which the Risk of its destruction when screwing on Minimum is reduced and at the same time one sufficient stability of the screw-dowel connection guaranteed. This object is achieved according to the invention a plastic dowel to attach a rail a threshold, in particular a concrete threshold, which with a substantially cylindrical Dowel body is equipped with a threadless head area and has a lower area, at least along a partial length of the lower area has an internal thread Inclusion of a threshold screw and an external thread are provided with which the plastic dowel from the Threshold can be unscrewed, the lower area of the Anchor body one to the external thread of the Sleeper screw conformed shape of essentially has uniform wall thickness, the wall thickness the anchor body is dimensioned so that the Dowel outer diameter at least 1.05 times and at most 1.2 times the inner diameter of the dowel is and with the lower region of the dowel body a rounded external thread of a sleeper screw is adjusted.
Nach der erfindungsgemäßen Lösung umschließt der Dübelkörper die Schraube in der Art einer dünnwandigen Haut. Indem der untere Bereich des Dübelkörpers an ein ausgerundetes Außengewinde einer Schwellenschraube angepaßt ist, wird die Gefahr des Einschneidens in die dünne Dübelwand beim Eindrehen der Schraube im Vergleich zum scharfkantigen Gewinde vermieden.After the solution according to the invention, the Dowel body the screw in the manner of a thin-walled Skin. By placing the lower area of the dowel body on rounded external thread of a sleeper screw is adjusted, the risk of cutting into the thin dowel wall when screwing in the screw in comparison to the sharp-edged thread avoided.
Durch die gegenüber herkömmlichen Kunststoffdübeln weiter reduzierte Wandstärke wird die Neigung des Kunststoffmaterials zur plastischen Verformung (Fließen) erheblich reduziert, da die für den Fließvorgang zur Verfügung stehende Materialdicke verringert ist. Gleichwohl ergibt sich zum einen die notwendige elektrische Isolierung zwischen Dübel und Schraube und zum anderen die geforderte hohe mechanische Stabilität der Verbindung. Insgesamt werden die Haltekräfte der Schwellenschraube über den Kunststoffdübel in den Beton der Betonschwelle eingeleitet, ohne daß das Kunststoffmaterial fließt. Die Wanddicke des Dübels ist werkstoffabhängig und zweckmäßig so gering wie möglich zu halten. Die zu übertragende Schraubenkraft wirkt dann auf die geringste Weglänge. Die dabei entstehenden Stauchund Kriechverformungen werden minimiert. Schubverformungen, wie sie bei den bisher verwendeten dickwandigen Dübeln außerdem entstanden sind, können bei der erfindungsgemäßen Dübelform nicht entstehen.By further compared to conventional plastic dowels reduced wall thickness becomes the inclination of the Plastic material for plastic deformation (flow) considerably reduced, since the for the flow process Available material thickness is reduced. Nevertheless, on the one hand, there is the necessary electrical insulation between dowel and screw and on the other hand the required high mechanical stability the connection. Overall, the holding forces of the Threshold screw over the plastic dowel into the concrete the concrete sleeper initiated without that Plastic material flows. The wall thickness of the anchor is depending on the material and suitably as low as possible hold. The screw force to be transmitted then acts the shortest path length. The resulting upsetting and Creep deformations are minimized. Shear deformations as used in the previously used thick-walled dowels have also been created can the dowel shape according to the invention does not arise.
Gemäß einem bevorzugten Ausführungsbeispiel der Erfindung beträgt die Wandstärke des Kunststoffdübels, beispielsweise für eine Schwellenschraube mit einem Nenndurchmesser von 24 mm, 0,8 bis 2mm.According to a preferred embodiment of the invention is the wall thickness of the plastic dowel, for example for a sleeper screw with a Nominal diameter of 24 mm, 0.8 to 2 mm.
Weiterhin ist es zweckmäßig, daß nur in einem vom Kopfbereich abgewandten Teilabschnitt des unteren Bereichs das Gewinde ausgebildet ist. Hierdurch wird die Einbindung der Schraube so tief wie möglich in das Innere der Schwelle verlegt, so daß der Beton im empfindlichen Randbereich vor Schäden durch überhöhte Belastungen durch die Schraube bewahrt wird.Furthermore, it is appropriate that only in one of the Section of the lower part facing away from the head area Area the thread is formed. This will make the Integration of the screw as deep as possible inside the threshold laid so that the concrete in the sensitive Edge area from damage caused by excessive loads the screw is preserved.
Die Erfindung wird im folgenden anhand einer Zeichnung, die ein Ausführungsbeispiel darstellt, näher erläutert.The invention is described below with reference to a drawing, which represents an embodiment, explained in more detail.
Dabei zeigen
- Fig. 1
- ein Ausführungsbeispiel eines Kunststoffdübels gemäß der Erfindung in Kombination mit einer bekannten Schwellenschraube, im Längsschnitt,
- Fig. 2
- eine Schwellenschraube gemäß Stand der Technik, wie sie von einem Kunststoffdübel gemäß Ausführungsbeispiel nach Fig. 1 umgeben ist,
- Fig. 3
- einen Ausschnitt aus Fig. 2 im Bereich A,
- Fig. 4
- einen Ausschnitt aus Fig. 1 im Bereich B.
- Fig. 1
- an embodiment of a plastic dowel according to the invention in combination with a known threshold screw, in longitudinal section,
- Fig. 2
- a threshold screw according to the prior art, as it is surrounded by a plastic dowel according to the embodiment of FIG. 1,
- Fig. 3
- 2 in area A,
- Fig. 4
- a section of Fig. 1 in area B.
Der in Fig. 1 dargestellte Kunststoffdübel gemäß Ausführungsbeispiel der Erfindung besteht aus einem Dübelkörper 1 aus Kunststoff, der einen gewindelosen Kopfbereich 1a und einen unteren Bereich 1b aufweist, in dem sowohl ein Außengewinde als auch ein Innengewinde ausgebildet ist. The plastic dowel shown in Fig. 1 according to Embodiment of the invention consists of a Plastic anchor body 1, which is a threadless Head region 1a and a lower region 1b, in both an external thread and an internal thread is trained.
Der Kopfbereich 1a mündet an der Oberseite des
Kunststoffdübels, an der eine Schwellenschraube 2
eindrehbar ist, die in Fig. 1 bzw. 4 im in den
Kunststoffdübel 1 eingeschraubten Zustand dargestellt
ist. Hierzu ist der im unteren Bereich 1b des
Dübelkörpers so gestaltet, daß er mit gleichmäßiger
Wandstärke das Außengewinde 2a der Schwellenschraube 2
umhüllt.The head area 1a opens at the top of the
Plastic dowel with a
Gleichzeitig dient das im unteren Bereich 1b ausgebildete sich durch die Umhüllung der Schwellenschraube mit gleichmäßiger Wandstärke ergebende Außengewinde dazu, daß der Kunststoffdübel - beispielsweise zu seinem Auswechseln - aus der Schwelle heraus drehbar ist.At the same time, the one formed in the lower area 1b serves by wrapping the sleeper screw with uniform wall thickness resulting in that the plastic dowel - for example to his Replace - can be turned out of the threshold.
Bei standardmäßig verwendeten Schwellenschrauben mit einem Nenndurchmesser von 24 mm beträgt der Außendurchmesser des erfindungsgemäßen Kunststoffdübels etwa 28 mm, so daß gemäß Fig. 1 die Wandstärke des Dübelkörpers im unteren Bereich 1b durchgehend etwa 2 mm beträgt.With sleeper screws used as standard with with a nominal diameter of 24 mm Outside diameter of the plastic dowel according to the invention about 28 mm, so that the wall thickness of the Dowel body in the lower area 1b continuously about 2 mm is.
Fig. 2 zeigt den Schnitt durch eine herkömmliche Schwellenschraube.Fig. 2 shows the section through a conventional Sleeper screw.
Es ist insbesondere aus Fig. 3 erkennbar, daß deren Außengewinde 2a abgerundet ist.It can be seen in particular from Fig. 3 that their External thread 2a is rounded.
Fig. 4 zeigt als Ausschnitt B aus Fig. 1 die angepaßte
Gestaltung von Dübelkörper 1 und Schraube 2 im Bereich
der Umhüllung.FIG. 4 shows the adapted one as section B from FIG. 1
Design of dowel body 1 and
Durch die Gestaltung des erfindungsgemäßen Dübelkörpers werden die Kräfte aus der Schwellenschraube über den Kunststoffdübel auf die Betonschwelle übertragen, ohne daß es zu einer Überschreitung der zulässigen Fließspannungen im Kunststoffmaterial kommt. Vielmehr ergibt sich durch die geringe Wandstärke ein direkter Kontakt zwischen den zu verbindenden Teilen, ohne daß der elektrische Isolationseffekt zwischen beiden aufgehoben wird. Dabei ist vorteilhaft, daß der untere Bereich des Dübelkörpers an das ausgerundete Außengewinde der Schwellenschraube angepaßt ist. Hierdurch wird die Gefahr des Einschneidens in die dünne Dübelwand beim Eindrehen der Schraube im Vergleich zum scharfkantigen Gewinde vermieden.By designing the dowel body according to the invention the forces from the threshold screw over the Transfer plastic dowels to the concrete sleeper without that there is an exceedance of the permissible Yield stresses in the plastic material comes. Much more the thinness of the wall results in a more direct Contact between the parts to be connected without the electrical isolation effect canceled between the two becomes. It is advantageous that the lower region of the Anchor body to the rounded external thread of the Threshold screw is adjusted. This will make the danger cutting into the thin dowel wall when screwing in the screw compared to the sharp-edged thread avoided.
Weiterhin ist es gemäß einer nicht in der Zeichnung dargestellten Variante zweckmäßig, wenn nur in einem vom Kopfbereich abgewandten Teilabschnitt des unteren Bereichs 1b das Gewinde ausgebildet ist. Hierdurch wird die Einbindung der Schraube so tief wie möglich in das Innere der Schwelle verlegt, so daß der Beton im empfindlichen Randbereich vor Schäden durch überhöhte Belastungen durch die Schraube bewahrt wird.Furthermore, it is according to one not in the drawing variant shown expedient if only in one of Section of the lower part facing away from the head area Area 1b the thread is formed. This will the integration of the screw as deep as possible into the Layed inside the threshold so that the concrete in the sensitive edge area from damage caused by excessive Loads are preserved by the screw.
Claims (5)
- A plastic screw anchor for mounting a rail on a railroad tie, in particular, a concrete railroad tie,wherein the screw anchor contains an essentially cylindrical anchor body (1) with a non-threaded upper region (la) and a lower region (1b), wherein an inside thread (2) for receiving a rail screw and an outside thread (3) for unscrewing the plastic screw anchor from the railroad tie are provided over at least a part of the length of the lower region (1b),wherein the lower region (1b) of the anchor body has a shape that is adapted to the outside thread of the rail screw and an essentially uniform wall thickness,wherein the wall thickness of the anchor body has such dimensions that the outside diameter of the anchor amounts to at least 1.05-times and no more than 1.2-times the inside diameter of the anchor, andwherein the lower region (1b) of the anchor body (1) is adapted to the rounded outside thread of a rail screw
- The plastic screw anchor according to Claim 1, characterized in that the anchor body (1) consists of polyolefin, in particular, HDPE.
- The plastic screw anchor according to Claim 1 or 2, characterized in that the wall thickness of the anchor body (1) lies between 0.8 and 2 mm.
- The plastic screw anchor according to one of the preceding claims, characterized in that the thread is only provided over a part of the length of the lower region (1b) which is situated opposite of the upper region (1a).
- A screw-anchor combination for mounting a rail on a railroad tie, consisting of a plastic screw anchor according to one of the preceding claims and a conventional rail screw that is provided with a rounded outside thread.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT96100609T ATE238452T1 (en) | 1996-01-17 | 1996-01-17 | PLASTIC SCREW DOWEL |
| ES96100609T ES2196099T3 (en) | 1996-01-17 | 1996-01-17 | THREADED PLASTIC TACO. |
| DE59610378T DE59610378D1 (en) | 1996-01-17 | 1996-01-17 | Kunststoffschraubdübel |
| PT96100609T PT785308E (en) | 1996-01-17 | 1996-01-17 | THREADED PLASTIC MATERIAL CABLE |
| EP96100609A EP0785308B1 (en) | 1996-01-17 | 1996-01-17 | Helicoidal plastic sleeve |
| DK96100609T DK0785308T3 (en) | 1996-01-17 | 1996-01-17 | Plastic material screwdriver |
| SI9630607T SI0785308T1 (en) | 1996-01-17 | 1996-01-17 | Helicoidal plastic sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP96100609A EP0785308B1 (en) | 1996-01-17 | 1996-01-17 | Helicoidal plastic sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0785308A1 EP0785308A1 (en) | 1997-07-23 |
| EP0785308B1 true EP0785308B1 (en) | 2003-04-23 |
Family
ID=8222410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP96100609A Expired - Lifetime EP0785308B1 (en) | 1996-01-17 | 1996-01-17 | Helicoidal plastic sleeve |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0785308B1 (en) |
| AT (1) | ATE238452T1 (en) |
| DE (1) | DE59610378D1 (en) |
| DK (1) | DK0785308T3 (en) |
| ES (1) | ES2196099T3 (en) |
| PT (1) | PT785308E (en) |
| SI (1) | SI0785308T1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1818452A1 (en) | 2006-01-06 | 2007-08-15 | BWG GmbH & Co. KG | Rail fastening system and screw and screw-plug for this system |
| DE102011103127A1 (en) | 2010-05-26 | 2011-12-01 | Schwihag Ag | Plastic screw plug for fixing a rail on a threshold |
| DE202013101664U1 (en) | 2012-04-18 | 2013-05-28 | Vossloh-Werke Gmbh | Dowel for fixing a rail and combination of such a dowel with a reinforcing element and attachment point for a rail |
| DE202013103906U1 (en) | 2012-08-22 | 2013-10-16 | Vossloh-Werke Gmbh | Sleeper screw for fastening a rail and combination of such a sleeper screw and a plastic anchor |
| DE202013103907U1 (en) | 2012-08-22 | 2013-10-16 | Vossloh-Werke Gmbh | Plastic dowel for fixing a rail and combination of such a plastic dowel and a sleeper screw |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2283235B1 (en) | 2007-04-04 | 2009-03-01 | Mondragon Soluciones, S.L.U. | SHEATH FOR RAIL RAIL FASTENINGS, PROCEDURE FOR REPLACING SUCH SHEATH ON A CROSS AND TOOLS TO EXECUTE SUCH PROCEDURE. |
| DE102016112357A1 (en) * | 2016-07-06 | 2018-01-11 | Spax International Gmbh & Co. Kg | "Anchors screw" |
| CN112376329A (en) * | 2020-11-18 | 2021-02-19 | 陕西九域通创轨道系统技术有限责任公司 | Replaceable stray current prevention insulating embedded sleeve |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1011101A (en) * | 1948-12-07 | 1952-06-19 | Traverses En Beton Arme Sa | Insulating rail fastening device |
| DE1024993B (en) * | 1955-09-03 | 1958-02-27 | August Henkes | Attachment for rails and washers on concrete sleepers |
| GB865120A (en) * | 1958-05-07 | 1961-04-12 | Samuel Tippett | Improvements relating to the holding down of rails on sleepers |
| FR2315568A1 (en) * | 1975-06-25 | 1977-01-21 | Vape Sa Ets | SCREW FIXING DEVICE IN A CONSTRUCTION ELEMENT IN AGGLOMERATED MATERIAL |
-
1996
- 1996-01-17 DK DK96100609T patent/DK0785308T3/en active
- 1996-01-17 AT AT96100609T patent/ATE238452T1/en active
- 1996-01-17 ES ES96100609T patent/ES2196099T3/en not_active Expired - Lifetime
- 1996-01-17 DE DE59610378T patent/DE59610378D1/en not_active Expired - Lifetime
- 1996-01-17 SI SI9630607T patent/SI0785308T1/en unknown
- 1996-01-17 PT PT96100609T patent/PT785308E/en unknown
- 1996-01-17 EP EP96100609A patent/EP0785308B1/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1818452A1 (en) | 2006-01-06 | 2007-08-15 | BWG GmbH & Co. KG | Rail fastening system and screw and screw-plug for this system |
| DE102011103127A1 (en) | 2010-05-26 | 2011-12-01 | Schwihag Ag | Plastic screw plug for fixing a rail on a threshold |
| WO2011147568A1 (en) | 2010-05-26 | 2011-12-01 | Schwihag Ag | Plastic screw plug for attaching a rail to a sleeper |
| DE102011103127B4 (en) * | 2010-05-26 | 2013-05-29 | Schwihag Ag | Plastic screw plug for fixing a rail on a threshold |
| DE202013101664U1 (en) | 2012-04-18 | 2013-05-28 | Vossloh-Werke Gmbh | Dowel for fixing a rail and combination of such a dowel with a reinforcing element and attachment point for a rail |
| DE202013103906U1 (en) | 2012-08-22 | 2013-10-16 | Vossloh-Werke Gmbh | Sleeper screw for fastening a rail and combination of such a sleeper screw and a plastic anchor |
| DE202013103907U1 (en) | 2012-08-22 | 2013-10-16 | Vossloh-Werke Gmbh | Plastic dowel for fixing a rail and combination of such a plastic dowel and a sleeper screw |
| DE102012107734A1 (en) | 2012-08-22 | 2014-05-15 | Vossloh-Werke Gmbh | Sleeper screw for fastening a rail and combination of such a sleeper screw and a plastic anchor |
| DE102012107732A1 (en) | 2012-08-22 | 2014-05-15 | Vossloh-Werke Gmbh | Plastic dowel for fixing a rail and combination of such a plastic dowel and a sleeper screw |
| TWI617718B (en) * | 2012-08-22 | 2018-03-11 | 佛斯洛 威克股份有限公司 | Plastic dowel for fastening of a rail and combination of such a plastic dowel and a rail screw |
Also Published As
| Publication number | Publication date |
|---|---|
| SI0785308T1 (en) | 2003-08-31 |
| PT785308E (en) | 2003-08-29 |
| EP0785308A1 (en) | 1997-07-23 |
| ATE238452T1 (en) | 2003-05-15 |
| ES2196099T3 (en) | 2003-12-16 |
| DE59610378D1 (en) | 2003-05-28 |
| DK0785308T3 (en) | 2003-07-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE3113639C2 (en) | Osteosynthetic Compression Plate | |
| DE3909725C1 (en) | Hole- and thread-forming screw | |
| DE19603285A1 (en) | Intramedullary rod for upper arm | |
| DE102007033829A1 (en) | mast assembly | |
| EP0785308B1 (en) | Helicoidal plastic sleeve | |
| DE3442407A1 (en) | HOLDING ELEMENT FOR SELF-SUPPORTING ELEMENTS, LIKE ROOF ELEMENTS, WALL COVERINGS AND THE LIKE | |
| DE102004020914B4 (en) | cantilever panel | |
| DE3321623A1 (en) | Insulating-material-panel fastening means consisting of plastic | |
| DE19539041A1 (en) | Fastening element for insertion into prepared holes in walls | |
| DE3138329A1 (en) | "FASTENING ARRANGEMENT" | |
| DE2657303C2 (en) | Bone nail | |
| EP0616135B1 (en) | Connecting arrangement for profiles | |
| DE2927953A1 (en) | MOUNTAIN ANCHOR | |
| DE3531376C2 (en) | ||
| AT373048B (en) | PIPE CLAMP | |
| DE2731761B2 (en) | Cavity fastening | |
| DE2325623A1 (en) | SLEEVE WITH FEMALE THREAD TO DRIVE IN OR BONDING IN THE HOLES OF WORKPIECES | |
| DE3725111C2 (en) | ||
| DE3822742A1 (en) | Apparatus for elongation of extremities | |
| DE2650713A1 (en) | SPREAD BOLTS | |
| DE2749054A1 (en) | Fastening dowel and screw for ceiling panels - has split conical socket dowel and expansion screw with taper point | |
| DE3014600A1 (en) | Pin-type suspension insulator - of glass fibre reinforced plastics with silicone rubber ribbed tube and two clamp sleeves | |
| DE2852390A1 (en) | PROCEDURE FOR CREEP-RESISTANT FASTENING OF A DEFORM GENERATOR AND DEFORM GENERATOR FOR PERFORMING THE PROCEDURE | |
| DE3003957A1 (en) | Hollow marrow pin driving and extraction instrument - has sleeve fixed to outer end by screwed stud | |
| DE3206676C2 (en) | Connection device with a profile rail |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE |
|
| AX | Request for extension of the european patent |
Free format text: LT PAYMENT 960117;LV PAYMENT 960117;SI PAYMENT 960117 |
|
| 17P | Request for examination filed |
Effective date: 19971104 |
|
| 17Q | First examination report despatched |
Effective date: 20010214 |
|
| GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: VOSSLOH-WERKE GMBH |
|
| GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
| GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
| GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
| GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
| AK | Designated contracting states |
Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE |
|
| AX | Request for extension of the european patent |
Extension state: LT LV SI |
|
| REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
| REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
| REF | Corresponds to: |
Ref document number: 59610378 Country of ref document: DE Date of ref document: 20030528 Kind code of ref document: P |
|
| REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D Free format text: GERMAN |
|
| REG | Reference to a national code |
Ref country code: CH Ref legal event code: NV Representative=s name: SULZER MANAGEMENT AG |
|
| GBT | Gb: translation of ep patent filed (gb section 77(6)(a)/1977) | ||
| REG | Reference to a national code |
Ref country code: DK Ref legal event code: T3 |
|
| REG | Reference to a national code |
Ref country code: SE Ref legal event code: TRGR |
|
| REG | Reference to a national code |
Ref country code: GR Ref legal event code: EP Ref document number: 20030402618 Country of ref document: GR |
|
| REG | Reference to a national code |
Ref country code: ES Ref legal event code: FG2A Ref document number: 2196099 Country of ref document: ES Kind code of ref document: T3 |
|
| ET | Fr: translation filed | ||
| PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
| 26N | No opposition filed |
Effective date: 20040126 |
|
| REG | Reference to a national code |
Ref country code: SI Ref legal event code: IF |
|
| REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 20 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GR Payment date: 20141218 Year of fee payment: 20 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: PT Payment date: 20141216 Year of fee payment: 20 Ref country code: LU Payment date: 20150122 Year of fee payment: 20 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: NL Payment date: 20150121 Year of fee payment: 20 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: IT Payment date: 20150123 Year of fee payment: 20 Ref country code: CH Payment date: 20150121 Year of fee payment: 20 Ref country code: DK Payment date: 20150121 Year of fee payment: 20 Ref country code: MC Payment date: 20150123 Year of fee payment: 20 Ref country code: DE Payment date: 20150121 Year of fee payment: 20 Ref country code: IE Payment date: 20150119 Year of fee payment: 20 Ref country code: ES Payment date: 20150129 Year of fee payment: 20 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20150121 Year of fee payment: 20 Ref country code: GB Payment date: 20150121 Year of fee payment: 20 Ref country code: SE Payment date: 20150121 Year of fee payment: 20 Ref country code: AT Payment date: 20150122 Year of fee payment: 20 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: BE Payment date: 20150129 Year of fee payment: 20 |
|
| REG | Reference to a national code |
Ref country code: DE Ref legal event code: R071 Ref document number: 59610378 Country of ref document: DE |
|
| REG | Reference to a national code |
Ref country code: DK Ref legal event code: EUP Effective date: 20160117 |
|
| REG | Reference to a national code |
Ref country code: NL Ref legal event code: MK Effective date: 20160116 |
|
| REG | Reference to a national code |
Ref country code: PT Ref legal event code: MM4A Free format text: MAXIMUM VALIDITY LIMIT REACHED Effective date: 20160117 |
|
| REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
| REG | Reference to a national code |
Ref country code: GB Ref legal event code: PE20 Expiry date: 20160116 |
|
| REG | Reference to a national code |
Ref country code: IE Ref legal event code: MK9A |
|
| REG | Reference to a national code |
Ref country code: SE Ref legal event code: EUG |
|
| REG | Reference to a national code |
Ref country code: AT Ref legal event code: MK07 Ref document number: 238452 Country of ref document: AT Kind code of ref document: T Effective date: 20160117 |
|
| REG | Reference to a national code |
Ref country code: ES Ref legal event code: FD2A Effective date: 20160426 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION Effective date: 20160116 Ref country code: IE Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION Effective date: 20160117 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: PT Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION Effective date: 20160126 |
|
| REG | Reference to a national code |
Ref country code: GR Ref legal event code: MA Ref document number: 20030402618 Country of ref document: GR Effective date: 20160118 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: ES Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION Effective date: 20160118 |