Container for fluid material

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 75/60 (2006.01) B65D 47/20 (2006.01) B65D 75/32 (2006.01) B65D 75/58 (2006.01) B65D 77/10 (2006.01)

Patent

CA 2203519

A container (1) obtained by blow-moulding of two face-to-face sheets of plastics has an outlet neck (2) which can be opened by peeling apart a zone of an outline seal rib (3) and which can be re-closed by means of a fork (14) connected by a strap (15) to a ring (6). The ring (6) slides on the neck (2) and has an internal surface formed with diametrically opposite incisions (7) to guide the ring (6) on the rib (3). The incisions (7) are interconnected by internal surface zones diverging towards the outer end of the neck (2) to accommodate correspondingly shaped parts of the neck which are splayed by lowering of the ring (6) after the neck (2) has been opened. The bases of the incisions (7) converge towards the outer end of the neck (2) to co-operate with correspondingly converging edges of the rib (3). To hold the ring (6) in position, upper edges of the bases of the incisions (7) engage stepped seats formed in the rib (3).

Un récipient (1) moulé par soufflage de deux feuilles de plastique se présentant face contre face comporte un goulot (2) qui s'ouvre par arrachage d'une zone d'un joint de soudure étanche détouré (3) et se referme au moyen d'une pince (14) raccordée à une bague (6) par une bande (15). La forme de la face interne de la bague (6) s'enfilant sur le goulot (2) comporte deux incisions (7) diamétralement opposées guidant la bague sur le joint de soudure (3). Les incisions (7) sont reliées entre elles par des zones de surface interne divergeant en direction de l'extrémité extérieure du goulot (2) de façon à recevoir les parties formées correspondantes du goulot qui se constituent en épissures par enfoncement de la bague (6) après ouverture du goulot (2). Les bases des incisions (7) convergent vers l'extrémité extérieure du goulot (2) de façon à coopérer avec les rebords convergeants correspondants du joint de soudure (3). Pour maintenir la bague (6) en position, les rebords des bases des incisions (7) s'accrochent sur des crémaillères pratiquées dans le joint de soudure (3).

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