초록 ▼

Hollow body made of an oriented thermoplastic, such as bottles, the base of which comprises a central part 4 in the form of an inset dome, which central part is joined to the side wall 2 by means of a peripheral arched moulding 3, in which hollow body the central part is provided with a plurality of

Hollow body made of an oriented thermoplastic, such as bottles, the base of which comprises a central part 4 in the form of an inset dome, which central part is joined to the side wall 2 by means of a peripheral arched moulding 3, in which hollow body the central part is provided with a plurality of hollow protuberances 6 which project outwards from the hollow body and are distributed around its longitudinal axis C-C′, the protuberances 6 having the appearance of cones, the rounded vertices of which are separated from the longitudinal axis of the hollow body by a distance which is equal to at most 60% of the external diameter of the neck of the hollow body.

대표청구항 ▼

Hollow body made of an oriented thermoplastic, which has a longitudinal axis of symmetry and possesses a cylindrical neck, a side wall of general cylindrical shape and a base which comprises a central part in the form of an inset dome, which central part is joined to the side wall by means of an arc

Hollow body made of an oriented thermoplastic, which has a longitudinal axis of symmetry and possesses a cylindrical neck, a side wall of general cylindrical shape and a base which comprises a central part in the form of an inset dome, which central part is joined to the side wall by means of an arched peripheral moulding forming a bearing surface for the hollow body in the vertical position, and is provided with a plurality of hollow protuberances which project outwards from the hollow body and are distributed about its longitudinal axis, characterised in that the protuberances have the appearance of cones with a rounded vertex and have tops which are separated from the longitudinal axis of the hollow body by a distance which is equal to at most 60% of the external diameter of the neck of the hollow body.