Inflatable Bag Pneumatic Buffer for Heat-Free Packaging
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Solution Overview
Problem
Existing filling buffers formed by mixing chemical materials generate heat, potentially damaging fragile items and complicate recycling and cleaning due to volume expansion, posing environmental and operational challenges.
Innovation Solution
An inflatable bag system comprising a gas cylinder filled with compressed gas, a hole-piercing device, an inner bag with air holes, and an inflatable outer bag that can be quickly inflated to form a filling buffer without heat generation, using carbon dioxide and materials like polyethylene terephthalate and nylon coextruded film.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If chemical materials A and B are mixed and expanded to form a filling buffer, then the filling buffer can quickly fill the gap around the fragile object, but heat is generated during the mixing and expansion process which may cause deterioration of the protected object
Solution Approach 1:
The patent uses a compressed gas cylinder to store compressed gas under pressure. When activated, the compressed gas is rapidly released to inflate the filling buffer through pneumatic expansion, achieving quick inflation without chemical reactions that generate heat. The gas pressure directly transforms potential energy into kinetic energy for buffer expansion.
Solution Approach 2:
The patent changes the physical state parameter of the gas from compressed (high pressure) to expanded (atmospheric pressure) to achieve inflation. This parameter change from compressed to expanded state provides rapid volume increase without heat generation, solving both the speed and temperature control requirements.
2Productivity
If chemical materials are used to form a filling buffer, then the buffer can be quickly manufactured, but the volume increases significantly after expansion which adversely affects recycling and cleaning operations
Solution Approach 1:
The patent enables the filling buffer to be deflated and reused. After use, the compressed gas can be re-compressed and the buffer can be folded and stored, allowing for recycling and recovery of the buffer material, thus improving ease of operation for recycling and cleaning.
Solution Approach 2:
The filling buffer transitions from a static chemical foam to a dynamic inflatable structure. The buffer can be inflated when needed and deflated when not needed, providing operational flexibility that facilitates recycling and cleaning operations while maintaining quick manufacturing capability.
3Reliability
If chemical materials A and B are mixed to create a filling buffer, then the buffer can effectively protect the fragile object, but environmental problems arise due to the chemical composition and volume expansion
Solution Approach 1:
The patent replaces chemical materials with compressed gas for buffer formation. The compressed gas inflates the buffer to provide protection, eliminating harmful chemical substances from the system and reducing environmental impact while maintaining protection effectiveness.
Solution Approach 2:
The patent uses compressed gas (likely inert or neutral gas) to inflate the buffer, creating an inert environment that provides protection without introducing harmful chemical factors. This inert gas approach ensures reliability of protection while minimizing environmental harm.
Data Source
AI summary
An inflatable bag includes a gas cylinder filled with a compressed gas and having a bottle mouth for discharging the compressed gas, a hole-piercing device pressable to pierce into the bottle mouth for letting the compressed gas be discharged out of the gas cylinder, an inner bag surrounding the gas cylinder and the hole-piercing device and having air holes for the passing of the discharged gas, and an inflatable outer bag surrounding the inner bag and inflatable by the gas that is discharged out of the gas cylinder and flows through the air holes of the inner bag. By the above configuration, the inflatable bag is placed in a box around the object to be protected and quickly inflated to form a filling buffer without generating heat, ensuring that the protected object is not easily deteriorated and facilitating recycling and cleaning.