07-05-2020 дата публикации
Номер: US20200140183A1
Принадлежит:
A set of preforms to make a container for beverages comprises an external preform and an internal preform, each intended to form respectively an external keg and an internal bag of the container. The internal preform is associated internally with the external preform so as to define with the external preform a hollow space and also has at least one through hole, made in a neck portion thereof. 111-. (canceled)12. Set of preforms to make a container for beverages , comprising an external preform and an internal preform , each intended to form respectively an external keg and an internal bag of said container , said internal preform being associated internally with said external preform in order to define with said external preform a hollow space , wherein said internal preform has at least one through hole , made in a neck portion thereof , which connects the internal volume of said internal preform with said hollow space.13. Set of preforms as in claim 12 , wherein said at least one through hole develops in an orthogonal direction with respect to a longitudinal axis of said internal preform.14. Set of preforms as in claim 12 , wherein said at least one through hole develops in an inclined direction with respect to a longitudinal axis of said internal preform.15. Set of preforms as in claim 12 , wherein said internal preform comprises at least two through holes angularly distanced from each other along the circumference of said neck portion.16. Set of preforms as in claim 12 , wherein said neck portion of said internal preform has at least one slit which fluidically connects said hollow space with said at least one through hole.17. Set of preforms as in claim 12 , wherein in correspondence with respective neck portions claim 12 , said external preform and said internal preform comprise mechanical coupling members disposed above said through hole claim 12 , and configured to define a mechanical seal between said external keg and said internal bag.18. Container for ...
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