Bottle container

The bottle container design with a concave rib and deformable portion addresses the issue of dents in the shoulder area by distributing stress and preventing indentation propagation, improving stability and rigidity.

JP2026095820APending Publication Date: 2026-06-12LION CORP
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Patent Information

Application Number
JP2024209295
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2026-06-12

AI Technical Summary

Technical Problem

Bottle containers with a substantially rectangular cross-sectional shape are prone to denting in the shoulder area due to thinning, which is not adequately addressed by existing solutions that focus on the body portion's deformation.

Method used

A bottle container design featuring a concave rib with a deformable portion that extends along the central axis, connecting the shoulder and torso portions, which deforms towards the center as it approaches the mouth, with the tip positioned apart in the minor axis direction, to suppress dents and improve rigidity.

Benefits of technology

The design effectively minimizes dents in the shoulder area by acting as a stopper for indentation propagation and distributing stress, enhancing the container's stability and resistance to deformation.

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Abstract

To provide a bottle container that can suppress problems occurring in the shoulder area. [Solution] The device comprises a mouth portion, shoulder portion, body portion, and bottom portion arranged along a central axis, and is made of synthetic resin material. The shoulder portion and body portion are substantially rectangular in shape, having a first portion extending in a first direction perpendicular to the central axis, and a second portion extending in a second direction perpendicular to both the central axis and the first direction. The shoulder portion and the body portion have a corner portion connecting the first portion and the second portion, and a concave rib provided in the corner portion that spans the shoulder portion and body portion and extends along the central axis. The concave rib has a deformable portion that deforms toward the center of the second direction in the second portion as it approaches the mouth portion, and the tip of the deformable portion is located in the shoulder portion and is arranged apart in the second direction with respect to the central axis.
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