Method and device for isolated filling of a container

B - Operations – Transporting – 65 – B

Patent

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Details

B65B 39/00 (2006.01) B65D 25/16 (2006.01) B65D 77/06 (2006.01) B65D 88/16 (2006.01) B65D 88/54 (2006.01) B65D 90/04 (2006.01)

Patent

CA 2240741

A device in the form of a funnel (1) and comprising a holder (2) and a folded bag (36), for filling a container (8) such as an oil barrel or a standard container such as a type IBC, in such a manner that the bag forms an insulated lining between the product, e.g. oil, with which the container has to be filled, and the actual container. The device further comprises a lining (24) for mounting in the container's filling opening (10), and in the lining there is mounted a bottom member (22) which is surrounded by the bottom of the bag (36), the latter and the bottom member being pushed into the bag's main part from the top and down through the bag's opening (23). When the container is filled the funnel (1) is first screwed by means of the lining (24) into the filling opening (10), and a supply pipe (14) with enclosed push rod (18) is pushed down through the holder (2), passing the bag (36) in an evacuated state down to the bottom of the container. Special design of the bag (36), axial slots (16) at the bottom of the supply pipe (14) and guide elements (46, 46') ensure that the bag is expanded in the correct manner during filling. At the bottom of the push rod (18) there is a closing/push piston (20) which closes the supply pipe during the final phase of filling. After filling the lining (24) is kept screwed into the container and is closed by a lid (19), until the container is empty and a new funnel has to be mounted thereon.

Dispositif en forme d'entonnoir (1) comportant un support (2) et un sac plié (36) et permettant le remplissage d'un récipient (8) tel qu'un fût pour pétrole ou un conteneur normalisé du type conteneur semi-vrac, de telle sorte que le sac constitue une garniture interne d'isolement entre le produit, par exemple du pétrole, dont le récipient doit être rempli, et le récipient lui-même. Ce dispositif comporte également une garniture (24) apte à être montée dans l'orifice de remplissage (10) du récipient, et un élément de fond (22) monté dans cette garniture et entouré du fond du sac (36), ce dernier et l'élément de fond étant introduits dans la partie principale du sac du haut vers le bas au travers de l'orifice (23) du sac. Lors du remplissage du récipient, on engage l'entonnoir (1) dans l'orifice de remplissage (10) par vissage à l'aide de la garniture (24), et on fait passer à travers le support (2) un tuyau d'alimentation (14) contenant un poussoir (18), à la suite de quoi le sac (36) vide d'air descend au fond du récipient. Grâce à la conception particulière du sac (36), des fentes axiales (16) situées à l'extrémité inférieure du tuyau d'alimentation (14) et des éléments de guidage (46, 46') assurent le déploiement correct du sac au cours du remplissage. L'extrémité inférieure du poussoir (18) comporte un piston obturateur/poussoir (20) qui obture le tuyau d'alimentation au cours de la phase finale du remplissage. Après le remplissage, on maintient la garniture (24) vissée dans le récipient et on l'obture au moyen d'un couvercle (19) jusqu'à ce que le récipient soit vide et qu'un nouvel entonnoir doive être mis en place sur celui-ci.

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