Patent ID: 8485375

Claim:
A plastic bottle comprising a body extending longitudinally on a central axis from a neck to a lower end and having a predetermined thickness, and a base, said base comprising: feet having, in a radial section, a rounded profile; a skirt connected to said lower end of the body and extending to a peripheral bearing zone; a dome with a concavity oriented outward, the dome extending from said peripheral bearing zone to an apex situated substantially on the central axis, the dome having an outer face and a height measured on said outer face, the apex of the doame comprising a hollow nipple with a concavity oriented outward, the dome being continuously rounded below the apex; and grooves having a bottom and extending radially between said skirt and said dome, the grooves having a longitudinal bottom line extending over the bottom of said grooves in their direction of radial extension, said bottom line extending at a distance from the peripheral bearing zone, wherein said base of the plastic bottle is a champagne base, wherein the grooves are each connected to the dome via a connection profile, said bottom line of the grooves has a direction forming a pronounced angle with the direction tangential to said dome at the outlet of the bottom of said grooves in the dome, the height of said grooves at said outlet being between 30 and 60% of said height of the dome, said outlet being distant from the hollow nipple, and wherein said angle is between 90 degrees and 120degrees.