Snap-on plastic neck for glass containers

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 47/12 (2006.01) B65D 51/32 (2006.01)

Patent

CA 2380017

An container made from a vial-like mass produced glass bottle with a plastic neck mounted securely thereon, and a simple method for securely mounting the plastic neck to the glass bottle is disclosed. The open end of the bottle has a neck with a flange forming an annular shoulder. A plastic neck insert is provided that has a threaded neck opposite a resilient sleeve. The resilient sleeve is adapted to expand to receive the flange in a snap fit type engagement. An aluminum ferrule is press fit over the resilient sleeve of the plastic neck insert to lock the plastic neck insert onto the flange. The ferrule has an upwardly directed edge that engages a downwardly directed edge of the sleeve in interference fit to lock the ferrule onto the sleeve. An elastic seal is provided between the plastic neck insert and the glass bottle to ensure that the connection of the two components is airtight.

Récipient fait à partir d'une bouteille en verre de type flacon, produite en masse, sur laquelle est fixé à demeure un goulot plastique, et procédé simple pour fixer à demeure un goulot plastique sur les bouteilles en verre. L'extrémité ouverte de la bouteille possède un goulot avec une bride qui forme un épaulement annulaire. L'objet de l'invention comprend aussi un insert de goulot en plastique possédant une gorge filetée en face d'une gaine souple. La gaine souple est conçue pour se dilater et accueillir la bride par encliquetage. Une ferrure en aluminium est emmanchée sur la gaine souple de l'insert de goulot en plastique de manière à verrouiller celui-ci sur la bride. La ferrure possède un bord faisant saillie vers le haut qui met en prise en ajustement serré un bord de la gaine orienté vers le bas, de manière à verrouiller la ferrure sur la gaine. Un joint élastique placé entre l'insert de goulot en plastique et la bouteille en verre assure l'étanchéité à l'air des deux composants.

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