EP3015181A1 - Bending form for crossbow tube bender - Google Patents

Bending form for crossbow tube bender Download PDF

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Publication number
EP3015181A1
EP3015181A1 EP15191693.9A EP15191693A EP3015181A1 EP 3015181 A1 EP3015181 A1 EP 3015181A1 EP 15191693 A EP15191693 A EP 15191693A EP 3015181 A1 EP3015181 A1 EP 3015181A1
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EP
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Prior art keywords
bending
tube
shape
notches
groove
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Granted
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EP15191693.9A
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German (de)
French (fr)
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EP3015181B1 (en
Inventor
Benoît HAMM
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Virax SA
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Virax SA
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D7/00—Bending rods, profiles, or tubes
    • B21D7/06—Bending rods, profiles, or tubes in press brakes or between rams and anvils or abutments; Pliers with forming dies
    • B21D7/063—Pliers with forming dies

Definitions

  • the present invention relates to a half-moon bending form for crossbow bending a tube, having a groove section substantially "U" arranged to accommodate a portion to be bent of a tube whose dimensions were previously raised, said groove extending between the respective rounded edges of two opposite faces of said shape, said shape further comprising means-marks for positioning the tube portion in the groove in such a way that it is properly positioned in the throat in order to undergo bending with respect to the previously measured dimensions.
  • Crossbows for bending a tube are conventionally composed of a half-moon bending form, and a transverse bar supporting a pair of generally identical counter-forms called to cooperate with the half-moon bending form.
  • the pair of bending forms is pivotally mounted on the transverse bar, so as to progressively follow the movement of each of the linear parts of the tube located on either side of the portion being bent and which itself is lodged in the groove of the half-moon shape.
  • WO 2012/129345 also discloses an apparatus for bending a crossbow type tube having two counter-shaped pave-shaped having two opposite faces equipped with grooves whose profile is adapted to accommodate respectively two different diameters of tube and a removable half-moon bending shape and interchangeable.
  • Half-moon bending forms are also known, at least one of the two opposite faces of which comprises two lines each extending from its rounded edge, parallel to the axis of symmetry of said shape, on either side. and equidistant from said axis of symmetry.
  • the user of a bending crossbow takes measurements beforehand allowing him to know the length of a tube between a given point of this tube and the neutral fiber of the return of the bend he hears. achieve. It has for use to affix then on the tube to bend a line materializing the desired dimension. To make the bend, it positions the tube in the groove of the bending form, so that the marked line on the tube is aligned with one of the lines that comprises at least one of the faces of said shape.
  • Such a procedure is supposed to allow bending of the tube in line with the measurements previously recorded by the user at the location where the tube is to be installed.
  • the portion to be bent of the tube is generally housed deep in the groove of the half-moon shape, to the point of hindering or preventing any visualization of the line previously marked by the operator on the tube.
  • reading this feature is usually only possible by properly raising and orienting the bending crossbow, which is both imprecise, time-consuming and tedious, especially when the bending tube is measuring several times. meters, which is frequently the case.
  • the present invention aims to overcome this disadvantage by proposing a form of half-moon bending to proceed easily, quickly and accurately to the proper positioning of the tube in the groove relative to the reference means of which is provided with said bending form, in order to to bend, for example at 90 °, a portion of this tube.
  • the subject of the invention is a form of half-moon bending of the kind indicated in the preamble, characterized in that the reference means are defined by at least one pair notches formed in the rounded edge of at least one of the opposite faces of said shape, said notches communicating with the groove and each extending equidistant from the axis of symmetry of said shape.
  • the user can immediately locate the marking previously affixed to the tube, since it is visible through a notch.
  • the portion to be bent of the tube can thus be properly housed in the groove in a reduced time and without trial and error.
  • said notches of said at least one pair of notches are symmetrical with respect to the axis of symmetry of the shape.
  • said shape comprises at least a first pair of notches formed in the rounded edge of a first opposite face of the shape and at least a second pair of notches formed in the rounded edge of the second opposite face of the form.
  • the half-moon bending form according to the invention is further characterized in that the first pair of notches and the second pair of notches are symmetrical with respect to a plane of symmetry of said parallel extending form. said first and second opposite sides of said shape.
  • the present application also aims to protect a bending crossbow of a tube, characterized in that it comprises a form of half-moon bending as previously described.
  • the present invention aims at a half-moon bending form 1 for a bending crossbow 2 of a tube 3.
  • the bending form 1 comprises a groove 4 of substantially "U" -shaped section extending between the rounded edges 6, 7 respectively of its two opposite faces 8, 9.
  • the groove 4 is arranged to house a portion 5 to bend at 90 ° of the tube 3 and has a radius of curvature adapted according to the diameter of said tube 3.
  • the bending form 1 is capable of cooperating with a pair of counterforms 10, 11, such as in particular those illustrated in FIG. figure 2 each of which is substantially in the form of a pad pivotally mounted on a transverse bar 12 of the crossbow 2 bending.
  • the bending form 1 comprises a first pair of identical notches 13, 14 formed in the rounded edge 6 of a first opposite face 8 of the form 1 and at least one second pair of identical notches 15, 16 formed in the rounded edge 7 of the second opposite face 9 of the shape 1.
  • These notches 13, 14, 15, 16 each extend equidistant from the axis of symmetry S of the shape 1 and each communicate with the groove 4 which allows to visualize a portion 5 to be bent of a tube 3 which is housed, and therefore a possible line 17 or 18 affixed by a user on said portion 5.
  • the user can properly position the portion 5 to be bent of the tube 3 by matching a line 17, 18 with a notch 13, 14.
  • first pair of notches 13, 14 and the second pair of notches 15, 16 are symmetrical with respect to a plane of symmetry of said shape 1 extending parallel to said first and second opposite faces 8, 9 of said shape 1.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

La présente invention concerne une forme de cintrage (1) en demi-lune pour arbalète de cintrage (2) d'un tube (3), comportant une gorge (4) de section sensiblement en « U » agencée pour loger une portion (5) à cintrer d'un tube (3), ladite gorge (4) s'étendant entre les bords arrondis (6, 7) respectifs de deux faces opposées (8, 9) de ladite forme (1), ladite forme (1) comportant en outre des moyens-repères permettant de positionner la portion (5) de tube (3) dans la gorge (4) de manière telle qu'elle soit convenablement positionnée dans la gorge (4) en vue de subir le cintrage à 90° par rapport aux cotes préalablement relevées. Elle est caractérisée en ce que les moyens-repère sont définis par au moins une paire d'encoches (13, 14) formées dans le bord arrondi (6, 7) d'au moins une des faces opposées (8, 9) de ladite forme (1), lesdites encoches (13, 14) communiquant avec la gorge (4) et s'étendant chacune à égale distance de l'axe de symétrie (S) de ladite forme (1).The present invention relates to a half-moon bending form (1) for bending crossbow (2) of a tube (3), comprising a groove (4) of substantially "U" -shaped section arranged to house a portion (5). bending a tube (3), said groove (4) extending between the respective rounded edges (6, 7) of two opposite faces (8, 9) of said shape (1), said shape (1) further comprising indexing means for positioning the tube portion (5) in the groove (4) in such a way that it is properly positioned in the groove (4) to undergo 90 ° bending compared to the previously noted ratings. It is characterized in that the reference means are defined by at least one pair of notches (13, 14) formed in the rounded edge (6, 7) of at least one of the opposite faces (8, 9) of said form (1), said notches (13, 14) communicating with the groove (4) and extending each equidistant from the axis of symmetry (S) of said shape (1).

Description

La présente invention a pour objet une forme de cintrage en demi-lune pour arbalète de cintrage d'un tube, comportant une gorge de section sensiblement en « U » agencée pour loger une portion à cintrer d'un tube dont les cotes ont été préalablement relevées, ladite gorge s'étendant entre les bords arrondis respectifs de deux faces opposées de ladite forme, ladite forme comportant en outre des moyens-repères permettant de positionner la portion de tube dans la gorge de manière telle qu'elle soit convenablement positionnée dans la gorge en vue de subir le cintrage par rapport aux cotes préalablement relevées.The present invention relates to a half-moon bending form for crossbow bending a tube, having a groove section substantially "U" arranged to accommodate a portion to be bent of a tube whose dimensions were previously raised, said groove extending between the respective rounded edges of two opposite faces of said shape, said shape further comprising means-marks for positioning the tube portion in the groove in such a way that it is properly positioned in the throat in order to undergo bending with respect to the previously measured dimensions.

Les arbalètes de cintrage d'un tube sont classiquement composés d'une forme de cintrage en demi-lune, et d'une barre transversale supportant une paire de contre formes, généralement identiques appelées à coopérer avec la forme de cintrage en demi-lune. Habituellement, la paire de contre formes de cintrage est montée pivotante sur la barre transversale, de manière à suivre progressivement le déplacement de chacune des parties linéaires du tube situées de part et d'autre de la portion en cours de cintrage et qui elle-même est logée dans la gorge de la forme en demi-lune.Crossbows for bending a tube are conventionally composed of a half-moon bending form, and a transverse bar supporting a pair of generally identical counter-forms called to cooperate with the half-moon bending form. Usually, the pair of bending forms is pivotally mounted on the transverse bar, so as to progressively follow the movement of each of the linear parts of the tube located on either side of the portion being bent and which itself is lodged in the groove of the half-moon shape.

On connait notamment du document FR 2 626 505 un appareil pour cintrer un tube de type arbalète comportant une forme de cintrage en demi-lune et deux paires de contre formes respectivement mises en oeuvre en fonction du rayon de cintrage désiré du tube. La forme de cintrage est amovible et interchangeable avec une autre forme de cintrage adaptée au cintrage d'un tube de diamètre différent.We know in particular of the document FR 2 626 505 an apparatus for bending a crossbow type tube having a half-moon bend shape and two pairs of counter form respectively implemented according to the desired bending radius of the tube. The bending form is removable and interchangeable with another form of bending adapted to the bending of a tube of different diameter.

Le document WO 2012/129345 décrit également un appareil pour cintrer un tube de type arbalète comportant deux contre formes en forme de pavé présentant deux faces opposées équipées de gorges dont le profil est adapté pour loger respectivement deux diamètres différents de tube et une forme de cintrage en demi-lune amovible et interchangeable.The document WO 2012/129345 also discloses an apparatus for bending a crossbow type tube having two counter-shaped pave-shaped having two opposite faces equipped with grooves whose profile is adapted to accommodate respectively two different diameters of tube and a removable half-moon bending shape and interchangeable.

L'on connaît également des formes de cintrage en demi-lune dont au moins une des deux faces opposées comporte deux lignes s'étendant chacune depuis son bord arrondi, parallèlement à l'axe de symétrie de ladite forme, de part et d'autre et à égale distance dudit axe de symétrie. De fait, sur le terrain, l'utilisateur d'une arbalète de cintrage prend préalablement des mesures lui permettant de connaître la longueur d'un tube comprise entre un point donné de ce tube et la fibre neutre du retour du coude qu'il entend réaliser. Il a pour usage d'apposer ensuite sur le tube à cintrer un trait matérialisant la cote désirée. Pour réaliser le coude, il positionne le tube dans la gorge de la forme de cintrage, de manière telle que le trait marqué sur le tube soit aligné avec une des lignes que comporte au moins une des faces de ladite forme. Une telle manière de procéder est supposée permettre un cintrage du tube en adéquation avec les mesures préalablement relevées par l'utilisateur à l'emplacement où le tube doit être installé.Half-moon bending forms are also known, at least one of the two opposite faces of which comprises two lines each extending from its rounded edge, parallel to the axis of symmetry of said shape, on either side. and equidistant from said axis of symmetry. In fact, in the field, the user of a bending crossbow takes measurements beforehand allowing him to know the length of a tube between a given point of this tube and the neutral fiber of the return of the bend he hears. achieve. It has for use to affix then on the tube to bend a line materializing the desired dimension. To make the bend, it positions the tube in the groove of the bending form, so that the marked line on the tube is aligned with one of the lines that comprises at least one of the faces of said shape. Such a procedure is supposed to allow bending of the tube in line with the measurements previously recorded by the user at the location where the tube is to be installed.

Néanmoins, en pratique, la portion à cintrer du tube est généralement logée profondément dans la gorge de la forme en demi-lune, au point de gêner, voire d'empêcher toute visualisation du trait préalablement marqué par l'opérateur sur le tube. En fait, la lecture de ce trait n'est généralement possible qu'en levant et orientant de manière appropriée l'arbalète de cintrage, ce qui se révèle à la fois imprécis, chronophage et fastidieux, en particulier lorsque le tube à cintrer mesure plusieurs mètres, ce qui est fréquemment le cas.However, in practice, the portion to be bent of the tube is generally housed deep in the groove of the half-moon shape, to the point of hindering or preventing any visualization of the line previously marked by the operator on the tube. In fact, reading this feature is usually only possible by properly raising and orienting the bending crossbow, which is both imprecise, time-consuming and tedious, especially when the bending tube is measuring several times. meters, which is frequently the case.

La présente invention vise à pallier cet inconvénient en proposant une forme de cintrage en demi-lune permettant de procéder aisément, rapidement et avec précision au positionnement convenable du tube dans la gorge par rapport aux moyens repères dont est pourvue ladite forme de cintrage, en vue de réaliser un cintrage, par exemple à 90°, d'une portion de ce tube.The present invention aims to overcome this disadvantage by proposing a form of half-moon bending to proceed easily, quickly and accurately to the proper positioning of the tube in the groove relative to the reference means of which is provided with said bending form, in order to to bend, for example at 90 °, a portion of this tube.

A cet effet, l'invention a pour objet une forme de cintrage en demi-lune du genre indiqué en préambule, caractérisée en ce que les moyens-repère sont définis par au moins une paire d'encoches formées dans le bord arrondi d'au moins une des faces opposées de ladite forme, lesdites encoches communiquant avec la gorge et s'étendant chacune à égale distance de l'axe de symétrie de ladite forme.For this purpose, the subject of the invention is a form of half-moon bending of the kind indicated in the preamble, characterized in that the reference means are defined by at least one pair notches formed in the rounded edge of at least one of the opposite faces of said shape, said notches communicating with the groove and each extending equidistant from the axis of symmetry of said shape.

Grâce à une telle configuration, l'utilisateur peut repérer immédiatement le marquage préalablement apposé sur le tube, puisque celui-ci est visible à travers une encoche. La portion à cintrer du tube peut ainsi être convenablement logée dans la gorge en un temps réduit et sans tâtonnements.With such a configuration, the user can immediately locate the marking previously affixed to the tube, since it is visible through a notch. The portion to be bent of the tube can thus be properly housed in the groove in a reduced time and without trial and error.

Conformément à une caractéristique de l'invention, lesdites encoches de ladite au moins une paire d'encoches sont symétriques par rapport à l'axe de symétrie de la forme.According to a feature of the invention, said notches of said at least one pair of notches are symmetrical with respect to the axis of symmetry of the shape.

Selon une variante de réalisation préférentielle de l'invention, ladite forme comporte au moins une première paires d'encoches formée dans le bord arrondi d'une première face opposée de la forme et au moins une seconde paire d'encoches formées dans le bord arrondi de la deuxième face opposée de la forme.According to a preferred embodiment of the invention, said shape comprises at least a first pair of notches formed in the rounded edge of a first opposite face of the shape and at least a second pair of notches formed in the rounded edge of the second opposite face of the form.

Par ailleurs, la forme de cintrage en demi-lune selon l'invention se caractérise encore en ce que la première paire d'encoches et la deuxième paire d'encoches sont symétriques par rapport à un plan de symétrie de ladite forme s'étendant parallèlement auxdites première et seconde faces opposées de ladite forme.Moreover, the half-moon bending form according to the invention is further characterized in that the first pair of notches and the second pair of notches are symmetrical with respect to a plane of symmetry of said parallel extending form. said first and second opposite sides of said shape.

La présente demande vise également à protéger une arbalète de cintrage d'un tube, caractérisée en ce qu'elle comporte une forme de cintrage en demi-lune telle que précédemment décrite.The present application also aims to protect a bending crossbow of a tube, characterized in that it comprises a form of half-moon bending as previously described.

La présente invention sera mieux comprise à la lecture de la description d'un exemple de réalisation faite en référence aux figures annexées, fournies à titre d'exemples non limitatifs, et dans lesquelles :

  • La figure 1 illustre une vue en perspective d'une variante de réalisation d'une forme de cintrage pour arbalète de cintrage d'un tube selon l'invention, et
  • La figure 2 illustre une vue d'une arbalète de cintrage d'un tube équipée de la forme de cintrage de la figure 1.
The present invention will be better understood on reading the description of an exemplary embodiment given with reference to the appended figures, provided as non-limiting examples, and in which:
  • The figure 1 illustrates a perspective view of an alternative embodiment of a bending crossbow bending form of a tube according to the invention, and
  • The figure 2 illustrates a view of a bending crossbow of a tube equipped with the bending shape of the figure 1 .

En référence aux figures, la présente invention vise une forme de cintrage 1 en demi-lune pour arbalète de cintrage 2 d'un tube 3.With reference to the figures, the present invention aims at a half-moon bending form 1 for a bending crossbow 2 of a tube 3.

De manière classique, la forme de cintrage 1 comporte une gorge 4 de section sensiblement en « U » s'étendant entre les bords arrondis 6, 7 respectifs de ses deux faces opposées 8, 9. La gorge 4 est agencée pour loger une portion 5 à cintrer à 90° du tube 3 et présente un rayon de courbure adapté en fonction du diamètre dudit tube 3. La forme de cintrage 1 est susceptible de coopérer avec une paire de contre-formes 10, 11, tels que notamment celles illustrées à la figure 2 qui se présentent chacune sensiblement sous la forme d'un pavé monté pivotant sur une barre transversale 12 de l'arbalète 2 de cintrage.Conventionally, the bending form 1 comprises a groove 4 of substantially "U" -shaped section extending between the rounded edges 6, 7 respectively of its two opposite faces 8, 9. The groove 4 is arranged to house a portion 5 to bend at 90 ° of the tube 3 and has a radius of curvature adapted according to the diameter of said tube 3. The bending form 1 is capable of cooperating with a pair of counterforms 10, 11, such as in particular those illustrated in FIG. figure 2 each of which is substantially in the form of a pad pivotally mounted on a transverse bar 12 of the crossbow 2 bending.

Dans la variante de réalisation illustrée aux figures, la forme de cintrage 1 selon l'invention comporte une première paire d'encoches identiques 13, 14 formées dans le bord arrondi 6 d'une première face opposée 8 de la forme 1 et au moins une seconde paire d'encoches identiques 15, 16 formées dans le bord arrondi 7 de la deuxième face opposée 9 de la forme 1. Ces encoches 13, 14, 15, 16 s'étendent chacune à égale distance de l'axe de symétrie S de la forme 1 et communiquent chacune avec la gorge 4 ce qui permet de visualiser une portion 5 à cintrer d'un tube 3 qui s'y trouve logée, et par conséquent un éventuel trait 17 ou 18 apposé par un utilisateur sur ladite portion 5. Ainsi, l'utilisateur peut positionner convenablement la portion 5 à cintrer du tube 3 en faisant correspondre un trait 17, 18 avec une encoche 13, 14.In the variant embodiment illustrated in the figures, the bending form 1 according to the invention comprises a first pair of identical notches 13, 14 formed in the rounded edge 6 of a first opposite face 8 of the form 1 and at least one second pair of identical notches 15, 16 formed in the rounded edge 7 of the second opposite face 9 of the shape 1. These notches 13, 14, 15, 16 each extend equidistant from the axis of symmetry S of the shape 1 and each communicate with the groove 4 which allows to visualize a portion 5 to be bent of a tube 3 which is housed, and therefore a possible line 17 or 18 affixed by a user on said portion 5. Thus, the user can properly position the portion 5 to be bent of the tube 3 by matching a line 17, 18 with a notch 13, 14.

Par ailleurs, dans la variante de réalisation illustrée, la première paire d'encoches 13, 14 et la deuxième paire d'encoches 15, 16 sont symétriques par rapport à un plan de symétrie de ladite forme 1 s'étendant parallèlement auxdites première et seconde faces 8, 9 opposées de ladite forme 1.Moreover, in the illustrated embodiment, the first pair of notches 13, 14 and the second pair of notches 15, 16 are symmetrical with respect to a plane of symmetry of said shape 1 extending parallel to said first and second opposite faces 8, 9 of said shape 1.

Bien entendu, de nombreuses modifications peuvent être apportées aux exemples décrits ci-dessus sans sortir du cadre de la présente invention.Of course, many modifications can be made to the examples described above without departing from the scope of the present invention.

Claims (6)

Forme de cintrage (1) en demi-lune pour arbalète de cintrage (2) d'un tube (3), comportant une gorge (4) de section sensiblement en « U » agencée pour loger une portion (5) à cintrer d'un tube (3), ladite gorge (4) s'étendant entre les bords arrondis (6, 7) respectifs de deux faces opposées (8, 9) de ladite forme (1), ladite forme (1) comportant en outre des moyens-repères permettant de positionner la portion (5) de tube (3) dans la gorge (4) de manière telle qu'elle soit convenablement positionnée dans la gorge (4) en vue de subir le cintrage par rapport aux cotes préalablement relevées, caractérisée en ce que les moyens-repère sont définis par au moins une paire d'encoches (13, 14) formées dans le bord arrondi (6, 7) d'au moins une des faces opposées (8, 9) de ladite forme (1), lesdites encoches (13, 14) communiquant avec la gorge (4) et s'étendant chacune à égale distance de l'axe de symétrie (S) de ladite forme (1).Half-moon bending form (1) for bending crossbow (2) of a tube (3), comprising a groove (4) of substantially "U" -shaped section arranged to house a portion (5) to be bent of a tube (3), said groove (4) extending between the respective rounded edges (6, 7) of two opposite faces (8, 9) of said shape (1), said shape (1) further comprising means -repères for positioning the portion (5) of tube (3) in the groove (4) so that it is properly positioned in the groove (4) to undergo bending with respect to the previously raised dimensions, characterized in that the reference means are defined by at least one pair of notches (13, 14) formed in the rounded edge (6, 7) of at least one of the opposite faces (8, 9) of said shape (1 ), said notches (13, 14) communicating with the groove (4) and each extending equidistant from the axis of symmetry (S) of said shape (1). Forme de cintrage (1) selon la revendication 1, caractérisée en ce que la position desdites encoches (13, 14, 15, 16) correspond à un cintre à 90° du tube (3).Bending form (1) according to claim 1, characterized in that the position of said notches (13, 14, 15, 16) corresponds to a 90 ° hanger of the tube (3). Forme de cintrage (1) selon la revendication 1, caractérisée en ce que ladite au moins une paire d'encoches (13,14, 15, 16) est symétrique par rapport à l'axe de symétrie (S) de la forme (1).Bending form (1) according to claim 1, characterized in that said at least one pair of notches (13, 14, 15, 16) is symmetrical with respect to the axis of symmetry (S) of the form (1 ). Forme de cintrage (1) selon l'une quelconque des revendications 1, 2 ou 3, caractérisée en ce qu'elle comporte au moins une première paires d'encoches (13, 14) formée dans le bord arrondi (6) d'une première face opposée (8) de la forme (1) et au moins une seconde paire d'encoches (15, 16) formées dans le bord arrondi (7) de la deuxième face opposée (9) de la forme (1).Bending form (1) according to any one of claims 1, 2 or 3, characterized in that it comprises at least a first pair of notches (13, 14) formed in the rounded edge (6) of a first opposite face (8) of the shape (1) and at least a second pair of notches (15, 16) formed in the rounded edge (7) of the second opposite face (9) of the shape (1). Forme de cintrage (1) selon la revendication 4, caractérisée en ce que la première paire d'encoches (13, 14) et la deuxième paire d'encoches (15, 16) sont symétriques par rapport à un plan de symétrie de ladite forme (1) s'étendant parallèlement auxdites première et seconde faces opposées (8, 9) de ladite forme (1).Bending form (1) according to claim 4, characterized in that the first pair of notches (13, 14) and the second pair of notches (15, 16) are symmetrical with respect to a plane of symmetry of said shape (1) extending parallel to said first and second opposing faces (8, 9) of said shape (1). Arbalète (2) de cintrage d'un tube (3), caractérisée en ce qu'elle comporte une forme (1) selon l'une quelconque des revendications 1 à 5.Crossbow (2) for bending a tube (3), characterized in that it comprises a form (1) according to any one of Claims 1 to 5.
EP15191693.9A 2014-10-28 2015-10-27 Bending form for crossbow tube bender Active EP3015181B1 (en)

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Application Number Priority Date Filing Date Title
FR1460333A FR3027537B1 (en) 2014-10-28 2014-10-28 BENDING SHAPE FOR BENDING A TUBE.

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EP3015181A1 true EP3015181A1 (en) 2016-05-04
EP3015181B1 EP3015181B1 (en) 2017-04-26

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ES (1) ES2634674T3 (en)
FR (1) FR3027537B1 (en)

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CN113059037B (en) * 2021-03-30 2022-09-13 韶山市天盛机械制造有限公司 Precision machining die and machining method for automobile exhaust pipe

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2626505A1 (en) 1988-02-03 1989-08-04 Foell Remswerk APPARATUS FOR BENDING TUBES
WO2012129345A1 (en) 2011-03-21 2012-09-27 Irwin Industrial Tool Company Tube and pipe benders and methods of bending same
WO2013131179A1 (en) * 2012-03-05 2013-09-12 Michel Leclerc Pipe bending apparatus and method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2626505A1 (en) 1988-02-03 1989-08-04 Foell Remswerk APPARATUS FOR BENDING TUBES
WO2012129345A1 (en) 2011-03-21 2012-09-27 Irwin Industrial Tool Company Tube and pipe benders and methods of bending same
WO2013131179A1 (en) * 2012-03-05 2013-09-12 Michel Leclerc Pipe bending apparatus and method thereof

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FR3027537B1 (en) 2016-12-23
EP3015181B1 (en) 2017-04-26
FR3027537A1 (en) 2016-04-29

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