Flexible base for sterile filling bottles

JP2026090596APending Publication Date: 2026-06-02PEPSICO INC
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
PEPSICO INC
Filing Date
2026-03-04
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Existing plastic beverage containers designed for high-temperature filling processes are over-engineered for aseptic filling, leading to increased material usage, weight, and manufacturing complexity due to the need for robust designs that can adapt to larger pressure differences, which are not necessary for aseptic filling processes.

Method used

A base design for plastic beverage containers featuring a flexible central portion and a rigid portion separated by an isolation ring, with S-shaped ribs, allowing the base to adapt to lower pressure differences (2 psi) by differential displacement, distributing stress and minimizing material usage.

Benefits of technology

The base design effectively adapts to pressure differences in aseptic filling, reducing material, weight, and manufacturing costs while maintaining structural integrity and ease of production.

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Abstract

Regarding the base of a sterile soft drink bottle. [Solution] The aseptically filled beverage container may include a body and a base having an upright ring, a central portion, and an isolation ring surrounding the central portion. One or more ribs may extend from the isolation ring to the upright ring, so that the ribs do not extend outside the upright ring or inside the central portion. The ribs may be S-shaped to provide rigidity and limit or prevent deformation of the base.
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