Seamless Stretchable Bed Linen Using Elastomeric Knit Fabric
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Solution Overview
Problem
Conventional bed linens often lack elasticity, breathability, moisture wicking ability, conformability, durability, and stain resistance, leading to discomfort, damage, and reduced longevity.
Innovation Solution
A bed linen made from knitted fabric comprising a combination of elastomeric and non-elastomeric fibers, which is seamless, highly stretchable, and exhibits improved properties such as breathability, moisture wicking, durability, and stain resistance, allowing it to conform to various shapes and withstand repeated use without significant degradation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If conventional bed linens use seams to adjoin different pieces of fabric, then the structure can be assembled, but the overall texture and softness are negatively affected
Solution Approach 1:
The patent merges multiple fabric pieces into a single continuous knitted fabric structure, eliminating seams entirely. The bed linen is constructed as one integrated piece that drapes over the mattress corners without requiring stitching or joining operations, thus preserving texture and softness while achieving the assembly function.
Solution Approach 2:
The fabric is engineered with distinct functional zones within a continuous structure - the sheet portion, fitted portion, and corner sections are all part of one seamless knitted piece, allowing each zone to perform its function without compromising overall texture through seam joins.
2Stability of the object's composition
If conventional bed linens use fabrics without sufficient elasticity, then the fabric structure remains stable, but the linens cannot respond to variations in mattress dimensions or recover from distortional forces
Solution Approach 1:
The patent incorporates elastomeric fibers into the knitted fabric to dynamically change the fabric's dimensional parameters. The material can stretch to accommodate mattress size variations and then recover to its original dimensions, maintaining structural stability while achieving dimensional adaptability through elastic parameter changes.
Solution Approach 2:
The fabric uses a composite structure combining knit or woven fabric with elastomeric fibers or elastic members. This composite material integrates the stability of traditional fabric with the elasticity needed to respond to mattress dimension variations and recover from distortion.
3Device complexity
If conventional bed linens use fabrics without sufficient breathability and moisture wicking ability, then the fabric structure is simple, but comfort and long-term usability are reduced
Solution Approach 1:
The patent employs porous or permeable fabric structures that allow air and moisture vapor to pass through. This porous construction enhances breathability and moisture wicking ability while maintaining relatively simple fabric architecture, thereby improving comfort and long-term usability without significantly increasing structural complexity.
4Stability of the object's composition
If conventional bed linens lack sufficient conformability, then the fabric maintains its shape, but it cannot conform to mattress surfaces effectively
Solution Approach 1:
The patent uses flexible knitted or woven fabric structures that can bend and conform to the contours of mattress surfaces. The fabric's flexibility allows it to adapt to surface variations while the elastic components enable it to return to its original shape, achieving both conformability and shape retention.
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 solution provides a bed linen that is more comfortable, durable, and resistant to stains and pilling, maintaining its shape and functionality over multiple uses, while being able to stretch significantly without permanent damage.
Implementation Method 1
The fabric of the bed linen is highly stretchable in one or more directions (e.g., a length-wise direction, a width-wise direction, etc.), and substantially retracts to its original dimensions and shape after the removal of the distortional force effectuating the stretching.
Data Source
Figure 1A~1C
Figure 2A~2C
Figure 3
AI summary
A bed linen comprises a single, continuous piece of fabric extending substantially completely across lateral dimensions of the bed linen and including elastomeric fibers and non-elastomeric fibers. The single, continuous piece of fabric is configured to stretch to at least 125 percent of an initial length thereof without damage thereto and to substantially return to the initial length thereof after being stretched. A bedding assembly and a method of forming a bedding assembly are also described.