Bamboo Container Groove and Machined Rim for Consistent Lid Fit

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Solution Overview

Problem

Existing packaging solutions struggle to achieve sustainability through the use of natural materials while maintaining cost-effectiveness and ease of manufacturing for mass-produced goods.

Innovation Solution

A bamboo container design featuring a machined upper section with a defined geometric shape, a circumferential groove for lid engagement, and a deformable lid with a pressure structure, allowing for easy dispensing and grip, while utilizing a high proportion of natural materials.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If natural materials like bamboo are used for packaging, then sustainability is improved, but manufacturing precision and consistency are worsened

Engineering Contradiction:
ImprovesustainabilityVSAvoidmanufacturing consistency
Core Design Contradiction:
ReliabilityVSManufacturing precision

Solution Approach 1:

The patent applies different treatments to different parts of the bamboo container. The lower section maintains natural bamboo structure for sustainability, while the upper section undergoes machining to create a defined geometric shape with consistent dimensions. This local differentiation resolves the contradiction by preserving natural material benefits where possible while applying precision manufacturing only where required for functional consistency.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The bamboo container is divided into two distinct sections: a lower unmachined section that retains natural bamboo characteristics, and an upper machined section that achieves defined geometric precision. This segmentation allows each part to fulfill its specific function - sustainability in the lower section and manufacturing consistency in the upper section - thereby resolving the technical contradiction.

Inventive Principle:
Principle #1Segmentation

2Reliability

If minimal processing of natural materials is used, then sustainability is improved, but ease of manufacture for mass production is worsened

Engineering Contradiction:
ImprovesustainabilityVSAvoidmass production capability
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The invention applies minimal processing (turning/machining) only to the upper section of the bamboo container where geometric consistency is needed for lid engagement and stacking, while leaving the lower section in its natural state. This selective approach maintains high sustainability credentials while providing sufficient manufacturing precision for mass production requirements.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The container is segmented into processed and unprocessed zones, allowing mass production techniques to be applied only where necessary (upper section for standardized dimensions) while preserving the sustainability benefits of minimal overall processing. This resolves the contradiction by localizing manufacturing intervention.

Inventive Principle:
Principle #1Segmentation

3Manufacturing precision

If the entire exterior surface is machined to a defined geometric shape, then manufacturing consistency is improved, but natural material preservation is worsened

Engineering Contradiction:
Improvegeometric consistencyVSAvoidnatural material content
Core Design Contradiction:
Manufacturing precisionVSReliability

Solution Approach 1:

The patent implements machining only in the upper section of the bamboo container exterior, creating a defined geometric shape where precision is needed for functional purposes (lid engagement, stacking). The lower section retains its natural bamboo appearance and structure, preserving maximum natural material characteristics. This local quality approach resolves the contradiction between geometric consistency and natural material preservation.

Inventive Principle:
Principle #3Local quality

Data Source

PatentEP4656542A1Bamboo container
Publication Date: 2025.12.03 JUBAM GMBH
  • EP4656542A1 patent drawingFigure 1
  • EP4656542A1 patent drawingFigure 2
  • EP4656542A1 patent drawingFigure 3

AI summary

A bamboo container comprises a first end and a second end, as well as an exterior and an interior. The first end includes a bamboo node, and the second end is open, allowing access to the interior. The second end features a groove on its exterior. This groove divides the exterior into two sections: a lower section, which includes the first end, and an upper section, which includes the second end. The exterior surface in the upper section is finished so that its cross-section has a defined geometric shape. In other words, the lower section of the bamboo container's exterior can be left unfinished, while the upper section is finished to create a defined outer diameter.