초록 ▼

A package for flowable media and a snap lid which package and snap lid are both made from thermoplastic material, in which a collar-shaped head of the package surrounds a pouring aperture of the package, which collar-shaped head has a retaining ring on its outside, an inside annular surface, and an

A package for flowable media and a snap lid which package and snap lid are both made from thermoplastic material, in which a collar-shaped head of the package surrounds a pouring aperture of the package, which collar-shaped head has a retaining ring on its outside, an inside annular surface, and an upper end having an edge with a snap catch, which upper end can be closed using the snap lid. The snap lid has a closing wall from which an annular sealing lip projects towards an inside of the package, and can be brought into contact with an inside surface of the edge in sealing engagement. The closing wall is provided with an outside catch for snap engagement with a snap catch of the edge of the head. The head of the package widens outwards and upwards at its edge, and both the inner surface of this edge and an outer surface of the sealing lip on the snap lid are curved convexly relative to each other. The invention also includes preforms for making the package of the invention.

대표청구항 ▼

[ What is claimed is:] [1.]1. A package for flowable media and a snap lid (2), which package and snap lid are both made from thermoplastic material, in which a collar-shaped head (3) of the package surrounds a pouring aperture (4) of the package, which collar shaped head has a retaining ring (17) on

[ What is claimed is:] [1.]1. A package for flowable media and a snap lid (2), which package and snap lid are both made from thermoplastic material, in which a collar-shaped head (3) of the package surrounds a pouring aperture (4) of the package, which collar shaped head has a retaining ring (17) on its outside, an inside annular surface (7), and an upper end (10) having an edge (11) with a snap catch (12) which upper end is closed by means of the snap lid (2), said snap lid (2) having a closing wall (20) from which an annular sealing lip (23) projects towards an inside of the package (1), and is brought into contact with an inside surface (13) of the edge (11) in sealing engagement, said closing wall (20) being provided with an outside catch (29) for snap engagement with a snap catch (12) of the edge (11) of the head (3) wherein the head (3) of the package (1) widens outwards and upwards at its edge (11), and both the inner surface (13) of this edge (11) and an outer surface (24) of the sealing lip (23) on the snap lid (2) are curved convexly relative to each other in an engaged and a disengaged position between the lid and the package.