A BENDING ASSEMBLY FOR CAPS

A bending assembly (1) for caps is provided, comprising a cap (2) having a closure casing (20) with a base and a cylindrical wall surmounted by a perimeter edge (2a) on the inner wall of which a warranty seal (21) can be housed and a bending device comprising a gripping member (3) designed to firmly attach the closure casing (20), and a deformation member (4) comprising a locking element (400) and a deformation ring (42) mounted so it can slide about the locking element (400), wherein the gripping member (3) and the locking element (400) are mutually mobile along a shared main axis (1a) between a rest position, wherein the locking element (400) is moved away from the gripping member (3), and a locking position, wherein the locking element (400) penetrates the closure casing (20) when the latter is attached by the gripping member (3); wherein the deformation ring (42) is mounted so it can slide along the main axis (1a) and is mobile in relation to the locking element (400) between a hold position, wherein the deformation ring (42) and the gripping member (3) are at a first predefined distance, and a bending position wherein the deformation ring (42) and the gripping member (3) are at a second predefined distance less than the first predefined distance, and wherein the deformation ring (42) is configured and shaped to abut against the external wall of the perimeter edge (2a) when the deformation ring (42) is in the bending position and the locking element (400) is in the locking position, so as to plastically deform the edge (2a) with a pressure exerted exclusively on the external part of the edge (2a). L'invention concerne un ensemble de pliage (1) pour capuchons, comprenant un capuchon (2) ayant un boîtier de fermeture (20) avec une base et une paroi cylindrique surmontée d'un bord périphérique (2a) sur la paroi interne duquel un joint de garantie (21) peut être logé et un dispositif de pliage comprenant un élément de préhension (3) conçu pour fixer fermement le boîtier de fermeture (20), et un élément de déformation (4) comprenant un élément de verrouillage (400) et une bague de déformation (42) montée de manière à pouvoir coulisser autour de l'élément de verrouillage (400). L'élément de préhension (3) et l'élément de verrouillage (400) sont mobiles l'un par rapport à l'autre le long d'un axe principal partagé (1a) entre une position de repos, dans laquelle l'élément de verrouillage (400) est éloigné de l'élément de préhension (3), et une position de verr