WO2002021034A1 - Flange for fluid lines and the like - Google Patents

Flange for fluid lines and the like Download PDF

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Publication number
WO2002021034A1
WO2002021034A1 PCT/ES2001/000338 ES0100338W WO0221034A1 WO 2002021034 A1 WO2002021034 A1 WO 2002021034A1 ES 0100338 W ES0100338 W ES 0100338W WO 0221034 A1 WO0221034 A1 WO 0221034A1
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WO
WIPO (PCT)
Prior art keywords
strip
flange
head
expansion
teeth
Prior art date
Application number
PCT/ES2001/000338
Other languages
Spanish (es)
French (fr)
Inventor
Antonio Martinez Iglesias
Original Assignee
Antonio Martinez Iglesias
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Antonio Martinez Iglesias filed Critical Antonio Martinez Iglesias
Priority to AU2001285961A priority Critical patent/AU2001285961A1/en
Publication of WO2002021034A1 publication Critical patent/WO2002021034A1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
    • F16L3/22—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets specially adapted for supporting a number of parallel pipes at intervals
    • F16L3/23—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets specially adapted for supporting a number of parallel pipes at intervals for a bundle of pipes or a plurality of pipes placed side by side in contact with each other
    • F16L3/233—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets specially adapted for supporting a number of parallel pipes at intervals for a bundle of pipes or a plurality of pipes placed side by side in contact with each other by means of a flexible band
    • F16L3/2332—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets specially adapted for supporting a number of parallel pipes at intervals for a bundle of pipes or a plurality of pipes placed side by side in contact with each other by means of a flexible band having a single plastic locking barb
    • F16L3/2334—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets specially adapted for supporting a number of parallel pipes at intervals for a bundle of pipes or a plurality of pipes placed side by side in contact with each other by means of a flexible band having a single plastic locking barb the barb having a plurality of serrations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
    • F16L33/02—Hose-clips
    • F16L33/035—Hose-clips fixed by means of teeth or hooks

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Joints With Pressure Members (AREA)

Abstract

The invention relates to a flange for airtight connection of a line to a coupling or any other connecting element, more particularly for fluid lines under pressure or subjected to important changes in temperature. The flange consists of a plastic strip (1) ending in a tubular head (2) close to one of its ends. The face opposite the head has a toothed area (5). The head also has a window (6), a short elastic, deformable tab emerging from one of the edges of the window and ending in an expansion (8) with a triangular profile, one of its faces having a toothed area (9) matching toothed area (5) in such a way that said tab (7), which initially projects outward, can be elastically deformed until the expansion (9) accesses the inside (4) of the tubular head thereby acting as blocking means for the other end of the strip (1), while it is being supported on a chamfer or inclined plane (10) as an extension of the windows(6) so that said expansion (8) can serve both as blocking means for the teeth of the strip (1) but also as a wedge reinforcing interlocking.

Description

BRIDA PARA CONDUCCIONES DE FLUIDOS Y SIMILARES FLUID AND SIMILAR DRIVING FLANGE
D E S R I P C I Ó ND E S R I P C I Ó N
OBJETO DE LA INVENCIÓNOBJECT OF THE INVENTION
La presente invención se refiere a una brida que ha sido especialmente concebida para ser utilizada como medio de fijación y estanqueidad en acoplamientos entre conducciones de fluidos, especialmente de fluidos sometidos a presión o importantes cambios de temperatura, que produzcan dilataciones a su vez importantes.The present invention relates to a flange that has been specially conceived to be used as a means of fixing and sealing in couplings between fluid conduits, especially of pressurized fluids or major temperature changes, which produce in turn important dilations.
El objeto de la invención es conseguir una brida de rápida y fácil implantación, que asegure unas óptimas prestaciones funcionales.The object of the invention is to achieve a quick and easy implantation flange, which ensures optimum functional performance.
La invención es aplicable igualmente a cualquier otro supuesto práctico en el que se requiera del mismo nivel de prestaciones.The invention is equally applicable to any other practical case in which the same level of performance is required.
ANTECEDENTESDE LA INVENCIÓNBACKGROUND OF THE INVENTION
A la hora de establecer la conexión de una conducción, especialmente materializada en una tubería flexible, por ejemplo a un manguito, una "T", etc., deben cumplirse dos condicionantes, por un lado que la fijación entre los citados elementos sea suficientemente sólida como para que no se produzca el desacoplamiento de los mismos, en base a la presión existente en el interior de la conducción o cualquier otra causa, y que además el acoplamiento sea estanco para evitar la fuga del fluido que circula por la citada conducción. _?_When establishing the connection of a conduit, especially materialized in a flexible pipe, for example to a sleeve, a "T", etc., two conditions must be met, on the one hand that the fixation between said elements is sufficiently solid such that the decoupling of the same does not occur, based on the pressure inside the conduit or any other cause, and that the coupling is also tight to prevent the leakage of the fluid that circulates through said conduction. _? _
Para ello se utilizan diferentes tipos de brida, que en una de las versiones más habituales se materializan en un anillo metálico, abierto, dotado en sus extremos de un tornillo o similar capaz de estrangular la brida contra el extremo de la conducción que alberga en su interior el casquillo o elemento de que se trate, de manera que el apriete de la brida se lleva a cabo con la colaboración de un destornillador, una llave o cualquier herramienta apropiada.For this, different types of flange are used, which in one of the most common versions are materialized in an open metal ring, provided at its ends with a screw or similar capable of throttling the flange against the end of the conduit that houses in its inside the bushing or element in question, so that the tightening of the flange is carried out with the help of a screwdriver, a wrench or any appropriate tool.
Esta solución presenta una problemática amplia y variada, que se centra fundamentalmente en los siguientes aspectos:This solution presents a wide and varied problem, which focuses primarily on the following aspects:
- Si bien el anillo constitutivo de la brida está abierto, para permitir variar su diámetro y conseguir la consecuente estrangulación sobre la conducción, en la práctica dicho anillo se solapa parcialmente por sus extremos, para que la brida afecte integralmente al perímetro de la conducción, lo que supone que dicha brida deba ser implantada en la conducción previamente al acoplamiento de ésta última al manguito o elemento de que se trate, operación previa que en muchos casos no se lleva a cabo en su momento, por olvido, lo que supone que una vez la conducción ha sido acoplada al manguito, lo que en ocasiones resulta bastante dificultoso, deba procederse nuevamente a su desacoplamiento para introducir la repetidamente citada brida.- Although the constituent ring of the flange is open, to allow varying its diameter and achieve the consequent throttling on the conduction, in practice said ring partially overlaps its ends, so that the flange integrally affects the perimeter of the conduction, what supposes that said flange must be implanted in the conduction prior to the coupling of the latter to the sleeve or element in question, previous operation that in many cases is not carried out at the time, by oblivion, which means that a Once the conduction has been coupled to the sleeve, which is sometimes quite difficult, it must be decoupled again to introduce the repeatedly cited flange.
Las manipulaciones a realizar sobre e la misma para conseguir su estrangulación sobre el extremo de la conducción son lentas y laboriosas ya que habitualmente son necesarias múltiples vueltas completas en el tornillo para conseguir el apriete deseado. - Cuando la brida requiere como herramienta para accionamiento de la misma un destornillador, existe un elevado riesgo de que debido al notable esfuerzo a realizar y ante una disposición oblicua del destornillador, éste pueda desacoplarse de la cabeza del tornillo provocando daños en la mano del usuario que soporta la brida durante la maniobra.The manipulations to be carried out on it to achieve its throttling on the end of the conduction are slow and laborious since it is usually necessary multiple complete turns in the screw to achieve the desired tightening. - When the screwdriver requires a screwdriver as a tool to drive it, there is a high risk that due to the remarkable effort to be made and the oblique arrangement of the screwdriver, it can be disengaged from the screw head causing damage to the user's hand which supports the flange during the maneuver.
- Por el tipo de materiales utilizados, materiales metálicos como anteriormente se ha dicho, ante una eventual deformación en la brida por la presión existente en el interior de la conducción, por dilataciones térmicas o por cualquier otra causa, la brida sufre una deformación permanente perdiendo el nivel de apriete inicial y originando en muchas ocasiones fugas de fluidos entre la conducción y el manguito o elemento al que se acopla, especialmente cuando en el seno de dicha conducción circulan fluidos a presión.- Due to the type of materials used, metallic materials, as previously stated, in the event of a possible deformation in the flange due to the pressure inside the conduit, thermal expansion or any other cause, the flange undergoes a permanent deformation losing the level of initial tightening and in many occasions causing fluid leaks between the conduit and the sleeve or element to which it is coupled, especially when pressurized fluids circulate within said conduction.
Por otro lado son conocidas abrazaderas materializadas en una tira de plástico, con una de sus caras dentada, rematada por uno de sus extremos en un cabezal tubular, dotado a su vez de un dentado interior, de manera que con la citada tira puede establecerse un anillo que puede ser fácilmente estrangulado mediante tracción de la extremidad libre de la citada tira, saltando los dientes de ésta última sobre los dientes del cabezal, hasta una situación límite de apriete en la que el anillo configurado por la abrazadera se mantiene estabilizado. No obstante este tipo de abrazaderas, concebidas como tal, sirven para fijar cables u otros tipos de elementos manteniéndolos unidos, pero no resultan válidas para actuar como una brida de apriete que pueda mantener solidarios y con acoplamiento estanco el extremo de una conducción y un manguito o cualquier otro elemento de interconexión. DESCRIPCIÓN DE LA INVENCIÓNOn the other hand, clamps materialized in a plastic strip are known, with one of its toothed faces, topped by one of its ends in a tubular head, provided in turn with an internal teeth, so that with the said strip can establish a ring that can be easily strangled by pulling the free end of said strip, jumping the latter's teeth over the teeth of the head, to a limit tightening situation in which the ring configured by the clamp remains stabilized. However, this type of clamps, conceived as such, serve to fix cables or other types of elements holding them together, but they are not valid to act as a clamping flange that can hold the end of a conduit and a sleeve with a tight coupling. or any other interconnection element. DESCRIPTION OF THE INVENTION
La brida que la invención propone constituye una solución intermedia entre las bridas y abrazaderas anteriormente citadas, que ofrece la extraordinaria rapidez y facilidad de maniobra de las abrazaderas de plástico, pero con unas prestaciones desde el punto de vista funcional extraordinariamente superiores a las de este tipo de abrazaderas y superiores a su vez a las de una brida metálica convencional.The flange that the invention proposes constitutes an intermediate solution between the aforementioned flanges and clamps, which offers the extraordinary speed and ease of maneuvering of the plastic clamps, but with benefits from the functional point of view extraordinarily superior to those of this type of clamps and in turn superior to those of a conventional metal flange.
Para ello y de forma más concreta la brida que se preconiza está constituida, como una abrazadera de las anteriormente citadas, a partir de una tira de material plástico, en este caso de resistencia adecuada al fin para la que ha sido prevista, rematada por uno de sus extremos en un cabezal tubular, con una de sus caras dentada, la opuesta al citado cabezal, pero con la especial particularidad de que dicha tira incorpora, en el seno del cabezal, una ventana de la que emerge al exterior, en correspondencia con uno de los extremos de la misma, una pequeña aleta rematada en una expansión de perfil triangular, a modo de cuña, con una de sus caras dentada en correspondencia con el dentado de la propia tira.For this and more specifically, the flange that is recommended is constituted, as a clamp of the aforementioned, from a strip of plastic material, in this case of adequate resistance to the purpose for which it has been provided, finished off by one of its ends in a tubular head, with one of its serrated faces, the opposite of said head, but with the special feature that said strip incorporates, in the head of the head, a window from which it emerges to the outside, in correspondence with one of the ends of it, a small fin finished off in an expansion of triangular profile, like a wedge, with one of its faces serrated in correspondence with the teeth of the strip itself.
El carácter altamente flexible de la citada aleta, permite que la expansión de perfil triangular pueda ser abatida hacia el seno del cabezal tubular, acoplándose en un bisel o plano inclinado, en que se remata la citada ventana, de manera que dicha expansión cumple dos funciones complementarias, por un lado constituye el medio de enclavamiento para la tira constitutiva de la brida, tras el cierre de la misma, permitiendo concretamente la estrangulación de dicha brida y bloqueando la misma en sentido contrario, y por otro lado actúa como verdadera cuña que presiona la extremidad libre de la tira sobre la pared interna del cabezal tubular, incrementando el efecto de bloqueo cuanto mayor es la tensión que tiende a la apertura de la brida.The highly flexible character of the aforementioned fin allows the triangular profile expansion to be folded towards the bosom of the tubular head, engaging in a bevel or inclined plane, in which the said window is finished, so that said expansion fulfills two functions complementary, on the one hand it constitutes the means of interlocking for the constituent strip of the flange, after the closing of the same, allowing specifically the throttling of said flange and blocking the same in the opposite direction, and on the other hand it acts as a true wedge that presses the free tip of the strip on the inner wall of the tubular head, increasing the blocking effect the greater the tension that tends to the opening of the flange.
Esta especial solución estructural permite un óptimo tensado de la brida sobre el extremo de la conducción de que se trate, es decir un efecto de apriete adecuado a las exigencias específicas de cada caso, en una maniobra sumamente rápida y sencilla, la seguridad del cierre queda asegurada, y la naturaleza plástica de la propia brida, concretamente sus características elásticas, permiten que el apriete se realice también de forma elástica, manteniéndose una tensión permanente que tiende a la estrangulación de la brida y permitiendo que ésta pueda dilatarse paralelamente a un eventual incremente en el diámetro de la conducción, por efecto térmico, de presión o de cualquier otro tipo, recuperando sus dimensiones primitivas cuando cesa el efecto que tiende a dicho sobredimensionamiento.This special structural solution allows an optimal tensioning of the flange on the end of the conduction in question, that is to say a tightening effect appropriate to the specific requirements of each case, in an extremely fast and simple maneuver, the safety of the closure remains assured, and the plastic nature of the flange itself, specifically its elastic characteristics, allow the clamping to be carried out in an elastic way, maintaining a permanent tension that tends to throttle the flange and allowing it to expand parallel to an eventual increase in the diameter of the conduction, by thermal effect, of pressure or of any other type, recovering its primitive dimensions when the effect that tends to said oversizing ceases.
DESCRIPCIÓN DE LOS DIBUJOSDESCRIPTION OF THE DRAWINGS
Para complementar la descripción que se está realizando y con objeto de ayudar a una mejor comprensión de las características del invento, de acuerdo con un ejemplo preferente de realización práctica del mismo, se acompaña como parte integrante de dicha descripción, un juego de dibujos en donde con carácter ilustrativo y no limitativo, se ha representado lo siguiente:To complement the description that is being made and in order to help a better understanding of the characteristics of the invention, according to a preferred example of practical implementation thereof, a set of drawings is attached as an integral part of said description. In an illustrative and non-limiting manner, the following has been represented:
La figura 1.- Muestra una representación esquemática en perfil y en sección longitudinal de una brida para conducciones de fluidos y similares realizada de acuerdo con el objeto de la presente invención, la cual aparece en situación de extendida.Figure 1 shows a schematic representation in profile and in longitudinal section of a flange for fluid conduits and the like made in accordance with the object of the present invention, which appears in an extended situation.
La figura 2.- Muestra una vista similar a la de la figura anterior, correspondiente a una situación de cierre para la brida.Figure 2.- Shows a view similar to that of the previous figure, corresponding to a closing situation for the flange.
La figura 3.- Muestra un detalle ampliado de la figura 1 correspondiente al cabezal de la brida, en la misma situación de inoperancia para la misma.Figure 3.- Shows an enlarged detail of figure 1 corresponding to the flange head, in the same inoperative situation for it.
La figura 4.- Muestra el mismo detalle de la figura anterior, ahora en situación de cierre para la brida.Figure 4.- Shows the same detail of the previous figure, now in a closed position for the flange.
REALIZACIÓN PREFERENTE DE LA INVENCIÓNPREFERRED EMBODIMENT OF THE INVENTION
A la vista de las figuras reseñadas puede observarse como la brida que se preconiza está constituida a partir de un tira (1), preferentemente obtenida mediante moldeo por inyección a base de material plástico, de longitud adecuada al diámetro de la conducción a que se destina, provista cerca de uno de sus extremos de un cabezal tubular (2), con su otro extremo (3) estrechado para facilitar su penetración en el interior hueco (4) del citado cabezal, y con un dentado (5) en su cara opuesta al cabezal (2), que se extiende desde éste último hasta las proximidades de su extremidad libre (3), con una estructuración básicamente similar a la de las clásicas y anteriormente citadas abrazaderas de plástico.In view of the aforementioned figures, it can be seen how the flange that is recommended is constituted from a strip (1), preferably obtained by injection molding based on plastic material, of adequate length to the diameter of the conduit to which it is intended , provided near one of its ends of a tubular head (2), with its other end (3) narrowed to facilitate its penetration into the hollow interior (4) of said head, and with a teeth (5) on its opposite face to the head (2), which extends from the latter to the vicinity of its free extremity (3), with a structure basically similar to that of the classic and previously cited plastic clamps.
De acuerdo ya con la invención la tira (1) incorpora, convenientemente enfrentada a la zona media del cabezal tubular (2) y abierta hacia el interior (4) de éste último, una ventana (6), de uno de cuyos bordes, el más próximo al extremo de acceso al interior (4) del cabezal tubular (2), emerge exteriormente una corta aleta (7) rematada en una expansión (8) de perfil triangular, es decir de perfil en cuña, dotada en una de sus caras de un dentado (9), concretamente en su cara destinada a quedar orientada hacia el interior del alojamiento (4) del cabezal (2) cuando dicha aleta (7) se abate hacia el interior del mismo tal como muestran las figuras 2 y 4.According to the invention, the strip (1) incorporates, conveniently facing the middle area of the tubular head (2) and opened towards the interior (4) of the latter, a window (6), of one of whose edges, the closer to the end of access to the interior (4) of the tubular head (2), a short fin (7) ends externally in an expansion (8) of triangular profile, that is to say wedge profile, provided on one of its faces emerges of a jagged tooth (9), specifically in its face destined to be oriented towards the inside the housing (4) of the head (2) when said fin (7) is folded into the same as shown in figures 2 and 4.
De acuerdo con esta estructuración, el dentado (9) de la expansión triangular (8) una vez que ésta ha sido abatida hacia el alojamiento (4) del cabezal tubular (2), permite la penetración a través de dicho alojamiento (4) del extremo (3) de la tira (1), tal como se observa especialmente en la figura 4, permitiendo el salto entre los dientes complementarios (5) y (9) merced a que la aleta (7) puede deformarse suficientemente para permitir el salto de unos dientes con respecto a otros, mientras que cuando se efectúa un esfuerzo en sentido de apertura de la brida y especialmente merced a la existencia de un plano inclinado e interior (10) como prolongación externa del borde de la ventana (6) del que emerge dicha aleta (7), se produce un efecto de acuñamiento de dicha expansión (8) contra la tira (1) y de ésta última contra la zona interna del cabezal (2), que no sólo asegura el cierre de la brida sino que hace que cuanto mayor sea la tensión en sentido de apertura mayor sea el efecto de acuñamiento y, consecuentemente, mayor el efecto de bloqueo de la extremidad libre de la tira (1) en el seno del cabezal (2), con lo que tal esfuerzo no sólo es absorbido por los dientes complementarios (5) y (9) sino también por el contacto íntimo de la tira (1) contra el puente interno del cabezal (2) y de la cuña (8) contra el bisel o plano inclinado de dicho cabezal. According to this structuring, the toothing (9) of the triangular expansion (8) once it has been knocked down towards the housing (4) of the tubular head (2), allows penetration through said housing (4) of the end (3) of the strip (1), as observed especially in figure 4, allowing the jump between the complementary teeth (5) and (9) thanks to the fin (7) can be sufficiently deformed to allow the jump of some teeth with respect to others, while when an effort is made in the direction of opening the flange and especially thanks to the existence of an inclined and internal plane (10) as an external extension of the edge of the window (6) of which said flap (7) emerges, there is a wedging effect of said expansion (8) against the strip (1) and the latter against the inner area of the head (2), which not only ensures the closing of the flange but also makes the greater the tension in the opening direction the greater the e The effect of wedging and, consequently, the effect of blocking the free end of the strip (1) within the head (2), so that such effort is not only absorbed by the complementary teeth (5) and ( 9) but also by the intimate contact of the strip (1) against the internal bridge of the head (2) and of the wedge (8) against the bevel or inclined plane of said head.

Claims

R E T V T N D T C A C TR E T V T N D T C A C T
Ia.- Brida para conducciones de fluidos y similares, que teniendo como finalidad constituir el medio de fijación y estanqueidad entre una conducción y un manguito o cualquier otro elemento de conexión para la misma, y siendo del tipo de las que se constituyen mediante una tira dentada rematada por uno de sus extremos en un cabezal tubular (2) a través del que es capaz de cerrarse la citada tira sobre sí misma, configurando un anillo estrangulable por simple tracción sobre la extremidad libre de la tira y fijable en posición de cierre mediante dientes complementarios establecidos en el seno del cabezal, se caracteriza porque la citada tira (1) incorpora a nivel medio del cabezal tubular (2), una ventana (6) de cuyo borde próximo al extremo del cabezal (2) receptor de la extremidad libre (3) de la propia tira, emerge exteriormente una corta aleta (7) rematada en una expansión (8) de perfil triangular, dotada a su vez de un dentado (9) en una de sus caras, de manera que mediante deformación elástica de la citada aleta (7) la expansión (8) es introducible a través de la ventana (6) en el interior (4) del cabezal para que los dientes de dicha expansión actúen como medio de bloqueo para el sector dentado (5) de la tira (1) en el cierre de la brida.I a .- Flange for conduits of fluids and the like, whose purpose is to constitute the means of fixing and sealing between a conduit and a sleeve or any other connection element for it, and being of the type that are constituted by a serrated strip topped by one of its ends in a tubular head (2) through which the said strip is able to close on itself, configuring a throttle ring by simple traction on the free end of the strip and fixed in the closed position by means of complementary teeth established in the bosom of the head, it is characterized in that said strip (1) incorporates at a medium level of the tubular head (2), a window (6) whose edge near the end of the head (2) receiving the limb free (3) of the strip itself, a short fin (7) is finished externally, finished off in an expansion (8) with a triangular profile, in turn provided with a tooth (9) on one of its faces, so that and elastic deformation of said fin (7) the expansion (8) is introduced through the window (6) inside (4) of the head so that the teeth of said expansion act as a blocking means for the toothed sector ( 5) of the strip (1) in the flange closure.
2a.- Brida para conducciones de fluidos y similares, según reivindicación Ia, caracterizada porque la ventana (6) se prolonga, en correspondencia con el borde de emergencia de la aleta (7), en un bisel o plano inclinado (10) sobre el que apoya en posición de trabajo la expansión triangular (8), de manera que frente a la tendencia a la apertura del anillo constituido por la brida, dicha expansión triangular actúa a modo de cuña que afianza el enclavamiento tanto entre los dientes (5) de la tira y los dientes (9) de la propia cuña, como entre estos elementos y las paredes exterior e interior del cabezal tubular (2). 2 .- fluid conduit flange and the like according to claim I, wherein the window (6) is prolonged, in correspondence with the edge emergency flap (7), a chamfer or inclined plane (10) on which it supports the triangular expansion (8) in a working position, so that in the face of the tendency to open the ring constituted by the flange, said triangular expansion acts as a wedge that strengthens the interlocking both between the teeth (5 ) of the strip and the teeth (9) of the wedge itself, as between these elements and the outer and inner walls of the tubular head (2).
PCT/ES2001/000338 2000-09-08 2001-09-06 Flange for fluid lines and the like WO2002021034A1 (en)

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AU2001285961A AU2001285961A1 (en) 2000-09-08 2001-09-06 Flange for fluid lines and the like

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ESP200002207 2000-09-08
ES200002207 2000-09-08

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Citations (6)

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US3900922A (en) * 1973-08-31 1975-08-26 Bowthorpe Hellermann Ltd Cable ties
GB2145150A (en) * 1983-07-29 1985-03-20 Guido Vergari Binding strap
US4688302A (en) * 1969-04-07 1987-08-25 Panduit Corp. One-piece cable tie
DE3619809A1 (en) * 1986-06-12 1987-12-17 Kleinhuis Hermann Gmbh Cable tie
JPH0940005A (en) * 1995-07-25 1997-02-10 Kitagawa Ind Co Ltd Tying band
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