Stretchable mattress cover
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Solution Overview
Problem
Traditional mattress ticking materials have limited stretchability, leading to deformation and wear of foam materials due to compression, and often result in unsightly wrinkles.
Innovation Solution
A mattress cover with multiple layers of fabrics, including multidirectional and mono-directional stretch fabrics, a spacer material for airflow, and a non-stretch woven material for rigidity, designed to accommodate mattress deformation and support user comfort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional mattress ticking materials are used, then the mattress cover provides basic coverage, but the foam materials deform and wear due to limited stretchability
Solution Approach 1:
The mattress cover uses a composite structure combining multiple fabric layers with different properties: a first stretch fabric layer providing stretchability, a foam layer providing cushioning, and a second stretch fabric layer providing additional stretch and durability. This composite structure allows the cover to stretch with the foam while protecting it from deformation and wear.
Solution Approach 2:
The mattress cover is divided into multiple functional layers: an outer first stretch fabric layer, a middle foam layer, and an inner second stretch fabric layer. Each layer serves a specific function - the outer layer provides stretch and fit, the foam provides cushioning and protection, and the inner layer provides additional stretch and durability. This segmentation allows each layer to optimize its specific function while working together as a whole.
2Shape
If traditional mattress ticking materials are used, then the structure remains simple, but unsightly wrinkles appear and shape is not maintained
Solution Approach 1:
The mattress cover employs a composite material structure with multiple fabric layers bonded together. The first stretch fabric layer maintains the mattress shape and prevents wrinkles, while the foam layer provides cushioning. The combination of these materials with different properties allows the cover to maintain its shape while providing comfort, resolving the contradiction between shape maintenance and structural simplicity.
3Ease of operation
If stretch fabrics are used to accommodate body contours, then user comfort is enhanced, but the mattress cover loses structural support
Solution Approach 1:
The mattress cover uses a composite structure where the first stretch fabric layer provides stretchability for comfort and body contouring, while the foam layer provides structural support and cushioning. The combination of these materials allows the cover to be both comfortable and structurally sound, resolving the contradiction between comfort and support.
Solution Approach 2:
Different regions of the mattress cover have different properties: the first stretch fabric layer provides stretchability where contact with the body occurs for comfort, while the foam layer provides structural support and cushioning. This local differentiation of material properties allows the cover to provide both comfort and support in appropriate locations.
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
The mattress cover reduces foam wear and deformation, maintains shape, and enhances user comfort by allowing the mattress to conform to body contours while providing structural support and airflow.
Implementation Method 1
The first stretch fabric has a first predominant stretch direction that is stretchable in a direction parallel to the mattress top
Implementation Method 2
A multidirectional stretch fabric is positioned on the mattress top
Data Source
AI summary
A bed has a mattress with a mattress top, a mattress bottom, and a mattress perimeter. The mattress includes a mattress cover surrounding the mattress. The mattress cover includes a first stretch fabric around the mattress perimeter of the mattress. The first stretch fabric has a first predominant stretch direction that is stretchable in a direction parallel to the mattress top. A multidirectional stretch fabric is positioned on the mattress top.