| 摘要 |
<p>The present invention relates to an opening and closing device (1; 101) for a container (50; 150) in flexible material intended for the packaging of fluid products, the device comprising a pourer body (3; 103) and an opening and closing element (4; 104) associated removably with said pourer body (3; 103) and being characterised in that it comprises further a base (2; 102), substantially flattened and shaped so that it can be folded around a perimetric portion (6; 106) of predetermined external profile of said pourer body (3; 103) and can be sealed peripherally thereto, said base (2; 102) being intended to be sealed below to a predetermined portion of said flexible container (50; 150) provided with an aperture or which can be opened so as to bring into fluid communication said pourer body (3; 103) with the internal volume of said flexible container (50; 150). The present invention likewise relates to packagings for fluid products comprising a flexible container and a device of the abovementioned type for the opening and the closing of this flexible container and also methods of packaging of fluid products in these packages.</p> |
