FIELD: packaging industry.
SUBSTANCE: bottle made of polymer material comprises a base on which a plurality of ribs is provided. Each rib consists of the curvature of the base of the bottle, which forms a bulge in the longitudinal direction directed towards the inside of the bottle. The ribs extend radially along the radial path. The projection in the transverse plane of said radial path of at least one of said ribs is curvilinear and has at least one inflection point.
EFFECT: invention provides strength and resistance to deformation caused by increased pressure in the bottle.
12 cl, 14 dwg
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