13-10-2016 дата публикации
Номер: US20160297572A1
A stopper () for closing a container, comprising a main body () shaped so as to be removably housed and engaged in an opening of said container, and extending along a longitudinal axis (X) thereof between two opposed base surfaces () which face the outside and the inside of the containers, respectively, when said main body () is housed and engaged in said opening, said stopper () comprising a barrier element () made from a material with high impermeability to gases and provided on a transverse surface portion () of said stopper () positioned transversely with respect to said longitudinal axis (X) so as to intercept the flow of gas through said stopper (), said barrier element () being intended to reduce the passage of gas through said stopper (), characterized in that said barrier element () comprises a plastic barrier layer () made from polyisobutylene-based elastomers, preferably SIBS and/or TPV and/or TPU, or from aluminium and/or alloys thereof, or from tin and/or alloys thereof, or EVOH or PVDC. 1100100112311100100445100100100. Stopper (; ′) for closing a container , comprising a main body (; ′) so shaped as to be removably housed and engaged in an opening of said container , and extending along a longitudinal axis (X) thereof between two opposed base surfaces ( , ) which face an outside and an inside of the containers , respectively , when said main body (; ′) is housed and engaged in said opening , said stopper (; ′) comprising a barrier element (; ′) made from a material with high impermeability to gases and provided on a transverse surface portion () of said stopper (; ′) positioned transversely with respect to said longitudinal axis (X) so as to intercept the flow of gas through said stopper (;{'b': 100', '4', '4', '100', '4', '4', '41', '43', '100', '100', '43', '4', '4', '43', '1', '1', '5', '5', '1', '1', '6', '43', '5, '′), said barrier element (; ′) being configured to reduce the passage of gas through said stopper (), said barrier element (, ′) ...
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