Cover-mounting structure of plastic container

Details Cover-mounting structure of plastic container Cover-mounting structure of plastic container

B - Operations, Transporting

65

D

B65D 45/02 (2006.01) B60K 15/05 (2006.01) B65D 51/00 (2006.01) F16J 13/02 (2006.01)

Patent

CA 2508734

A portion of the plastic container T where an opening 7 is provided has a flange portion 7a, and provided are a recess provided annularly along a peripheral edge of the opening 7 at an outside of the plastic container body 2, with an annular member being embedded integrally in the recess, a cover 1 resting against the flange portion to close the opening 7, a seal 14 provided between the flange portion 7a and the cover 1 to prevent a leak, and an annular retainer 9 fastened to the annular member 8 while resting against an external surface of the cover 1. This allows the opening 7 provided in the plastic container T and the cover 1 to be fastened together firmly with excellent and stable hermetical sealing performance.

L'invention concerne une structure de montage de couvercle d'un conteneur en résine (T) possédant une partie de rabat (7a) au niveau de la partie d'ouverture (7) du conteneur et une rainure formée, en forme d'anneau, dans la surface externe du conteneur en résine (2) le long du bord périphérique externe de la partie d'ouverture (7). La structure comprend un élément en forme d'anneau (8) enterré de façon intégrale dans la rainure, un couvercle (1) fermant la partie d'ouverture (7) en contact avec la partie de rabat (7a), un scellement empêchant la fuite (14) installé entre la partie de rabat (7a) et le couvercle (1) et des dispositifs de retenue en forme d'anneau (9) fixant le couvercle (1) à l'élément en forme d'anneau (8) tout en couvrant le couvercle (1) de l'extérieur, produisant ainsi un scellement excellent et stable de sorte que la force de serrage entre la partie d'ouverture (7) formée dans le conteneur en résine (T) et le couvercle (1) soit forte.

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