Anti-bulging container
AssigneeThe Procter & Gamble Company
InventorPetros Kalkanis
Life of this patent
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Abstract
A container (1) of thermoplastic material comprising a side wall (2) and a base (3), said base comprising in a cross section in a plane comprising the container's vertical axis (A), a concave inwards curved section (4) connected to the side wall (2), at least two successive stairs, each stair consisting of a straight part (5,5') forming an angle (.alpha.1, .alpha.2) with a plane (B) perpendicular to said axis (A), followed by a sharp concave outwards curve (6,6'), and a dome (8) consisting of a smooth concave outwards curve, said base (3) being symmetrical about said axis (A).
Claims7
A container (1) of thermoplastic material comprising a side wall (2) and a base (3), said base comprising in a cross section in a plane comprising the container's vertical axis (A), a concave inwards curved section (4) connected to the side wall (2), at least two successive stairs, each stair consisting of a straight part (5,5') forming an angle (.alpha.1,.alpha.2) with a plane (B) perpendicular to said axis (A), followed by a sharp concave outwards curve (6,6'), and a dome (8) consisting of a smooth concave outwards curve, said base (3) being symmetrical about said axis (A).
Dependencies are inferred from the claim text.