Thermoplastic container whereof the base comprises a cross-shaped impression

The invention relates to a spraying system or stretching of the type of a material thermoplastic container for obtains system, comprising a base (3), with multiple flexible cross arm die spaces of the centre (4), the die cavity is provided with a central groove (6), radiates the radial arm of the central groove (8), a base (3) is shower pull, comprising at least three of the support surface is disposed on the positioning element is formed (10), the number of the support arm and are equal; and each radial direction, including each support with with the corresponding end of the radial direction separated to a notch (13).