DISPOSITIF POUR LE BOUCHAGE DE RECIPIENTS A GRANDE OUVERTURE, PERFECTIONNEMENTS APPORTES A CES RECIPIENTS EN VUE DE LES RENDRE APTES A RECEVOIR LEDIT DISPOSITIF ET PROCEDE DE BOUCHAGE DE CES RECIPIENTS

L'INVENTION CONCERNE UN DISPOSITIF (OPERCULE) POUR LE BOUCHAGE DE RECIPIENTS.SELON L'INVENTION, CE DISPOSITIF COMPREND A SA PERIPHERIE UNE PARTIE ANNULAIRE 6, A UNE FACE DE LAQUELLE ADHERE UN JOINT D'ETANCHEITE 7 EN UNE MATIERE THERMOPLASTIQUE, LADITE PARTIE ANNULAIRE ETANT RACCORDEE A UN BORD RELEVE 8 FORMANT LA PARTIE EXTERNE DE L'OPERCULE, LEDIT BORD COMPORTANT DE PREFERENCE UNE COLLERETTE 9 REPLIEE EN DIRECTION DUDIT JOINT DE FACON TELLE QUE LA TRANCHE 10 DE CETTE COLLERETTE SOIT PROTEGEE PAR LEDIT JOINT.UN TEL DISPOSITIF CONVIENT BIEN POUR LE BOUCHAGE DE RECIPIENTS DE GRANDES DIMENSIONS. 1. Packaging comprising a receptable having an opening provided with a rim of which the edge comprises an upper annular bearing surface (11) which receives the sealing joint (7) moulded of thermoplastic material of a cover having at its periphery an annular part (6/8) having a surface to which the joint adheres, the border of the cover comprising a ring (9) folded to double thickness in the direction of said joint, so that its edge is embedded in the thickness of the latter, characterised in that the cover is a lid of which the peripheral annular part (6/8) is substantially planar, whereas the annular bearing surface (11) of the receptacle receiving the joint is provided, towards the internal periphery of the rim, with at least one sealing flange (13) in relief relative to the remainder of the rim surface and has at its exterior periphery a flange or raised edge (12) projecting therefrom, the border (8) being housed behind the exterior flange (12).