Powder-Coated Elastomeric Cushion Packaging to Prevent Adhesion
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Solution Overview
Problem
Cushions, such as mattresses, are bulky and costly to transport due to their traditional flat packaging, and elastomeric materials can stick together after compression, preventing them from returning to their original form without manual manipulation.
Innovation Solution
A cushioning element with intersecting buckling walls made of an elastomeric material coated with an olefin powder to hinder adhesion, allowing the cushion to be compressed and easily transformed back to its expanded form without manual intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If cushions are compressed for packaging and transportation, then transportation cost and efficiency are improved, but the cushioning material may stick together and fail to return to its original form without manual manipulation
Solution Approach 1:
A release agent is applied as an intermediary substance between the compressed cushioning material layers to prevent adhesion. The release agent creates a non-sticking interface that allows the material to expand back to its original form without manual manipulation after compression packaging.
Solution Approach 2:
The surface properties of the cushioning material are modified by applying a coating or treatment that changes its adhesion characteristics. This parameter change prevents the material from sticking to itself or packaging surfaces during compression, enabling automatic expansion upon unpacking.
2Volume of moving object
If elastomeric material is compressed to reduce volume, then packaging efficiency is improved, but adhesion between compressed walls prevents automatic expansion
Solution Approach 1:
The release agent serves as a mediator between compressed material surfaces, preventing molecular adhesion while maintaining the compressed volume reduction benefits. This allows the material to be densely packed for transport while preserving its ability to expand.
Solution Approach 2:
The release agent is applied in advance before compression to prevent adhesion from occurring during the compression process. This preliminary protective action ensures that when compression is released, the material can immediately expand without sticking.
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
Enables efficient packaging and transportation of cushions by allowing them to return to their original shape quickly after unpacking, enhancing usability and reducing handling difficulties.
Implementation Method 1
The coating comprises an olefin powder formulated to hinder adhesion of the elastomeric material when the cushioning element is in a compressed form in which the plurality of intersecting buckling walls are pressed together
Implementation Method 2
The elastomeric material comprises an elastomeric polymer and a plasticizer
Data Source
AI summary
A method for packaging a cushion includes coating a cushioning element with a powder while the cushioning element is in an expanded state and then compressing the cushion to a compressed state. As the cushioning element is compressed, the powder prevents surfaces of the cushioning element (e.g., surfaces of intersecting walls that define hollow buckling columns of a cushioning element formed from an elastomeric polymer extended with a plasticizer, etc.) from adhering to each other. The powder may allow the cushioning element to substantially return to its expanded state substantially immediately following removal of a compressive force from the cushioning element.