Paper Container Sealing Structure for Stackable Beverage Packaging
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Solution Overview
Problem
Existing containers, particularly those made of plastic, are non-biodegradable and contribute to pollution, and many are difficult to stack efficiently when filled or unfilled, increasing their environmental footprint.
Innovation Solution
A stackable container made from paper materials with a tilted annular wall and sealing structure that allows easy sealing and efficient stacking, featuring a spout for easy filling and drinking without removing the seal, and a design that enables compact packing and transport.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If plastic materials are used to make containers, then convenience and durability are improved, but biodegradability and environmental friendliness deteriorate
Solution Approach 1:
The patent changes the material parameter from plastic to paper, fundamentally altering the environmental properties while maintaining container functionality. This parameter change enables biodegradability and compostability, directly addressing the pollution issue while preserving the container's primary functions.
Solution Approach 2:
The patent employs composite material construction by combining paper body with separate plastic lid and sealing components. This allows the main container structure to be biodegradable while using plastic only where necessary for sealing and closure, optimizing both environmental friendliness and functional requirements.
2Object-affected harmful factors
If paper materials are used to make containers, then biodegradability and environmental friendliness are improved, but stacking efficiency and packing density deteriorate
Solution Approach 1:
The patent introduces asymmetric design elements, specifically the tilted annular wall at an angle between 10-45 degrees relative to the container axis. This asymmetric geometry enables the containers to nest within each other when empty and interlock when filled, dramatically improving stacking efficiency and packing density compared to traditional symmetric cylindrical designs.
3Ease of manufacture
If traditional container shapes are used, then manufacturing simplicity is maintained, but stacking efficiency and transport efficiency deteriorate
Solution Approach 1:
The tilted annular wall creates an asymmetric shape that enables superior stacking and nesting capabilities. This geometric modification allows containers to be packed more efficiently in transport, increasing productivity and reducing transport costs without significantly complicating the manufacturing process.
Solution Approach 2:
The patent maintains curved surfaces and smooth transitions in the container design, including the tilted annular wall and overall cylindrical form. These curved geometric features facilitate easy nesting and stacking while remaining compatible with standard paper molding and forming processes, balancing manufacturing simplicity with stacking efficiency.
4Object-affected harmful factors
If paper materials are used for containers, then environmental friendliness is improved, but sealing capability and liquid impermeability deteriorate
Solution Approach 1:
The patent combines paper material for the container body with plastic components for the lid and sealing structures. This composite approach leverages the environmental benefits of paper while utilizing plastic's superior sealing and liquid barrier properties where functionally required, achieving both environmental friendliness and reliable sealing capability.
Solution Approach 2:
The container is divided into separate functional segments: paper body for structural integrity and environmental friendliness, and separate plastic lid/sealing components for liquid impermeability. This segmentation allows each material to be optimized for its specific function while maintaining overall system performance.
Data Source
Figure 1
Figure 2a~2b
Figure 3~4b
AI summary
There is disclosed a container configured to hold a substance and extending along an axis A. The container comprises a container body configured to hold the substance. The container body comprises a top part. Further, the container body comprises a closure section arranged in an opposite end of the container body compared to the top part. The closure section comprises a first circular cross-section with a first radius in a plane transverse to the axis A. The closure section further comprises a second circular cross-section with a second radius in a plane transverse to the axis A, the second radius is larger than the first radius. The closure segment further comprises an annular wall extending from the second circular cross-section to the first circular cross-section such that the annular wall is formed with an angle alpha in relation to the axis A. The closure section is arranged so that the first circular cross-section is facing the top part. The container body further comprises a container wall extending from the closure section to the top part. The beverage container further comprises a sealing structure. The sealing structure comprises a circular bottom plate configured to seal the container body, and a sealing wall extending around the circular bottom plate. The sealing wall is tilted with the angle alpha in relation to the axis A. The sealing wall is configured to engage the annular wall, and the sealing structure is configured to be pressed into the closure section to seal the beverage container. Further, a method for filling such a container is provided.