A double-layered container including an inner and outer container. A mouth, body and bottom portion respectively extend from top to bottom along a bottle axis. An outside air introduction hole is provided. A diameter of an intermediate portion between an upper and lower end of the body portion is smaller than a diameter of the lower end portion. The intermediate and lower end portions are connected via a step portion. A bottom wall portion includes a ground contact portion and depressed portion. A distance of the outer container inner surface from a connection portion to an outer peripheral edge portion of the ground contact portion in a vertical cross-sectional view along the bottle axis is 1.15 times or less a distance along the outer container inner surface and the bottle axis to an inner peripheral edge portion of the ground contact portion in the vertical cross-sectional view.

Method for processing hot-filled plastic containers are provided. In some embodiments, the method may include hot-filling a plastic container, sealing the container, and conveying the sealed container, each with an inner annular wall and a push-up portion in a first position. In some embodiments, the method may further include creating a vacuum pressure in the hot-filled and sealed container and repositioning the push-up portion from the first position to a second position under a mechanical force.

A decompression absorption bottle is formed of a synthetic resin material and has a cylindrical shape with a bottom. A bottom wall part of a bottom part includes a ground contact part; an upright peripheral wall part; and an annular movable wall part, the movable wall part is disposed to be freely rotatable in a vertical direction, the movable wall part is provided with an annular recess, and the annular recess is configured that an inner corner part having a V-shape or a U-shape protruding inward in the radial direction of the bottle when viewed from below, and an outer corner part having a V-shape or U-shape protruding outward in the radial direction of the bottle are alternately continued to each other in the circumferential direction of the bottle.

A plastic, hot-fillable container is provided. The container comprises a blow molded body defining a longitudinal axis. The body including a base and a neck having at least one rib disposed about at least a portion of a circumference of the neck and transverse to the axis, and at least one angled thread. The at least one rib defining a cross section having a first portion and a second angled portion. Container systems and methods of manufacturing containers are provided.

The inventive technology includes a novel container dome profile and manufacturing process for improving container and bottle deformation failure resistance and extending material displacement modes through an initial deformation panel coordinated with complimentary geometric paneling and buttressing structures configured to initiate a controlled sequential dome profile deformation mode. Dome reversal, dome growth, and dome drop resistance characteristics are improved with a shallower profile formation depth, reducing pulldown, and lowering material consumption, resulting in lower overall container/bottle weight. Novel geometric contoured shapes enhance container resistance performance, supporting use of softer alloys or lower temper and yield strength to benefit post-processing efficiency and forming processes improvements while being configured to initiate controlled sequential dome profile deformation.

A plastic container has a mouth portion, a main body, and a base portion which adjoins the main body. The base portion has a central region as well as a diaphragm which runs in a circumferential direction and extends from the central region to the main body. The central region is pivotable relative to the main body between at least two positions which differ with regard to an internal volume of the container. The wall has at least one and preferably at least two circumferential grooves and are spaced apart from one another. The central region has a projection extending in the direction of the interior of the plastic container, and at least one web extending at least in part in a radial direction in the circumferential wall.

Hot-fillable plastic bottle including a finished portion, a body portion with at least one circumferential rib configured to resist radial distortion, and a base portion. The base portion comprises a base sidewall, a bottom support surface extending radially inward from the base sidewall and defining a reference plane, an inner support wall extending upwardly from the bottom support surface, and a diaphragm extending radially inward from the inner support wall. The diaphragm comprises an inner wall having an arcuate shape with a radius r1 and a central conical structure, where the diaphragm is in an initial as-formed position with the conical structure above the reference place. The diaphragm is configured to move from an initial as-formed position toward a second position when an internal pressure relative an external pressure exceeds a threshold value.

A container (1) made of thermoplastic material, defining an axis (X) and having a petaloid type bottom (2), the bottom (2) comprising: -a central area (3); -a plurality of first convex surfaces (4) towards the outside of the container, which extend from the central area (3); -a plurality of feet (5), arranged alternately with the first convex surfaces (4), and projecting outwards with respect to the first convex surfaces (4); -an annular rib (6), which is coaxial to the axis (X); wherein the first convex surfaces (4) belong to the same spherical surface having the center (C) arranged on the axis (X).

A base for a plastic container including an outer support portion; a structured formation ring including a plurality of sequential formations; an inner inversion portion disposed radially inwardly of the structured formation ring; and a central portion. In an embodiment, the sequential formations are disposed in a substantially ring-like configuration and at least the inner inversion portion is configured to flex in response to internal vacuum forces associated with said container.

Hot-fillable plastic bottle including a finished portion, a body portion with at least one circumferential rib configured to resist radial distortion, and a base portion. The base portion comprises a base sidewall, a bottom support surface extending radially inward from the base sidewall and defining a reference plane, an inner support wall extending upwardly from the bottom support surface, and a diaphragm extending radially inward from the inner support wall. The diaphragm comprises an inner wall having an arcuate shape with a radius r1 and a central conical structure, where the diaphragm is in an initial as-formed position with the conical structure above the reference place. The diaphragm is configured to move from an initial as-formed position toward a second position when an internal pressure relative an external pressure exceeds a threshold value.