Centering and holding unit for capping head

Details Centering and holding unit for capping head Centering and holding unit for capping head

B - Operations, Transporting

67

B

B67B 3/20 (2006.01) B65B 7/28 (2006.01) B65B 21/12 (2006.01)

Patent

CA 2462542

Containers (2) having a threaded neck (3) and a mouth (4) are capped by a unit (1) appearing as a carousel (5) equipped with capping heads caused to advance along a circular path (P) and capable of axial movement toward and away from the containers in such a way that each one can be fitted with a relative cap (11); each capping head of the unit (1) incorporates a gripper (31) furnished with two jaws (30) presenting relative conical surfaces (26), and respective cylindrical surfaces (27) designed to locate against the neck (3) of the container. When the cylindrical surfaces (27) register against the outer surface of the neck (3), the conical surfaces (32) are positioned with the lower edges (28) encroaching on the area compassed by the mouth (4) in such a way that the cap (11) can be gathered and aligned with the neck (3) of the container (2) before being tightened, thereby ensuring a precise fit.

L'invention concerne une unité (1) servant à fixer des capsules sur des récipients (2) comportant un goulot fileté (3) et une bouche (4). Cette unité (1) se présente sous forme d'un carrousel (5) équipé d'organes de capsulage conçus pour se déplacer le long d'un circuit circulaire (P) et pouvant s'approcher et s'éloigner de façon axiale des récipients pour équiper chaque récipient d'une capsule (11). Chaque organe de capsulage de l'unité (1) se compose d'une pince (31) pourvue de deux mâchoires (30) présentant des surfaces coniques (26) relatives et de surfaces cylindriques (27) respectives conçues pour être placées contre le goulot (3) du récipient. Lorsque les surfaces cylindriques (27) sont placées contre la surface externe du goulot (3), les bords inférieurs (28) des surfaces coniques (32) recouvrent la zone définie par la bouche (4) de façon que la capsule (11) puisse être accueillie et alignée par rapport au goulot (3) du récipient (2), avant d'être serrée, assurant ainsi une fermeture précise.

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