Fermented Food Pouch With Labyrinth Sealing for Gas Venting
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Solution Overview
Problem
Fermented foods continue to ferment during distribution, generating gas that can damage packaging and lead to product leakage, contamination, and increased manufacturing costs due to the need for gas absorbents or unsealed inlets.
Innovation Solution
A pouch with a plural-branched labyrinth sealing portion that allows gas discharge while preventing liquid leakage and foreign matter penetration, featuring a gas discharge portion that includes a first region at the lower portion, a second region with a connection line, and a third region with a discharge line, along with a circulation area to return leaking liquids back into the body.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-generated harmful factors
If a gas absorbent is attached to the packaging means, then gas absorption is improved, but the micro-pores on the gas absorbent surface are blocked by liquid, and when absorption limit is exceeded, gas damages the packaging
Solution Approach 1:
The invention extracts the gas absorption function from a separate gas absorbent material and integrates it into the sealing structure itself through the labyrinth configuration. The labyrinth sealing portion creates a long, tortuous path that inherently resists gas flow without requiring additional absorbent materials, thereby eliminating the problem of liquid blocking micro-pores and absorption limit exhaustion.
Solution Approach 2:
The labyrinth sealing portion acts as an intermediary structure between the sealed interior and exterior environments. Its complex, multi-branched path configuration provides resistance to gas penetration while allowing the sealing to maintain structural integrity, serving as a mediator that prevents gas damage without requiring separate gas absorbent components.
2Object-generated harmful factors
If a portion of the product inlet is not sealed to allow gas discharge, then gas venting is improved, but liquid leaks through the unsealed portion and foreign matter penetrates
Solution Approach 1:
The gas discharge function is segmented from liquid containment through the labyrinth sealing portion's multi-branched structure. The complex path configuration allows gas to traverse the sealing while the sealing areas prevent liquid and foreign matter penetration, effectively segmenting the handling of different substances through the same structural element.
Solution Approach 2:
Different regions of the labyrinth sealing portion exhibit different functional qualities - the open areas allow gas passage while the sealing areas prevent liquid and contaminant penetration. This local differentiation of properties within the same structure enables selective permeability based on substance type.
3Object-generated harmful factors
If a complex labyrinth structure is introduced into a container with a separate cover, then gas discharge without liquid leakage is achieved, but it is difficult to apply to a pouch sealed through sealing after product input
Solution Approach 1:
The labyrinth sealing portion is designed as a universal component that can be integrated into pouch sealing structures. It performs multiple functions simultaneously: sealing the pouch, providing gas discharge pathways, preventing liquid leakage, and blocking foreign matter penetration, making it adaptable to pouch packaging without requiring separate cover structures.
Solution Approach 2:
The invention merges the sealing function with the gas discharge function into a single integrated labyrinth sealing portion. This combination eliminates the need for separate gas venting mechanisms and allows the pouch to be sealed completely while still enabling controlled gas discharge, thereby achieving versatility across different pouch packaging applications.
4Object-generated harmful factors
If gas absorbents are used to manage fermentation gas, then gas absorption is improved, but manufacturing costs increase due to additional materials and complexity
Solution Approach 1:
The invention extracts the gas management function from separate gas absorbent materials and integrates it directly into the sealing structure through the labyrinth configuration. This eliminates the need for additional gas absorbent components and reduces overall packaging complexity while maintaining effective gas control.
Solution Approach 2:
The sealing structure and gas discharge function are merged into a single integrated labyrinth sealing portion. This combination eliminates the need for separate gas absorbent materials and additional components, thereby reducing manufacturing costs and simplifying the overall packaging structure while maintaining effective gas management.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Prevents product damage from gas and leakage without using gas absorbents, maintains hygiene by preventing foreign matter penetration, and simplifies the configuration and manufacturing process of the product inlet and gas discharge portion.
Implementation Method 1
a gas discharge portion that is formed to communicate with the inside of the body and the product inlet and includes a plural-branched labyrinth sealing portion
Implementation Method 2
the gas discharge portion includes a circulation area having a certain surface area, in which a circulation structure that returns a leaking liquid to the body is formed
Data Source
AI summary
One or more embodiments of the present disclosure relate to a pouch for packaging fermented foods, a method of packaging fermented foods using the same, and a pouch for packaging.