Fiberglass Core PVC Flooring Resists Edge Fuzzing
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Solution Overview
Problem
Existing hybrid vinyl and carpet flooring in tile form experiences 'fuzzing' due to polyester core degradation from wear, leading to a rough appearance and maintenance challenges, with previous solutions like ultrasonic and laser cutting being inaccurate or leaving burn marks, and gluing being time-consuming and ineffective.
Innovation Solution
A hybrid flooring system using woven PVC fabric bonded to a flexible backing with a ceramic fiber core, such as fiberglass, which is extruded with a PVC jacket, providing stability and durability, and sent through a tentering oven to fuse the yarns and prevent unraveling, resulting in a durable and abrasion-resistant surface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If polyester core is used in woven PVC fabric, then the fabric can be woven with sufficient tensile strength, but the polyester comes out along the edges during wear causing fuzzing
Solution Approach 1:
The patent uses a composite yarn structure with a fiberglass core and PVC jacket. The fiberglass core provides the necessary tensile strength for weaving (resolving the strength requirement), while the brittle fiberglass does not fuzz like polyester would (resolving the reliability issue). This composite material approach allows both requirements to be met simultaneously.
2Reliability
If ultrasonic cutters are used to melt polyester edges, then fuzzing is corrected, but the cutting is not accurate enough
Solution Approach 1:
Instead of trying to correct the fuzzing problem after weaving by melting the polyester edges, the patent extracts the problematic polyester material from the core and replaces it with fiberglass that inherently resists fuzzing. This prevents the problem at its source rather than attempting to correct it through post-processing cutting operations.
3Manufacturing precision
If laser cutters are used on tile edges, then cutting precision is improved, but the laser burns the edge leaving a singed appearance
Solution Approach 1:
The patent changes the material parameter from polyester to fiberglass in the core. Fiberglass has different thermal properties than polyester and does not melt or burn in the same way, eliminating the harmful singed edges that occur when laser cutting polyester-based fabrics.
4Stability of the object's composition
If glue is applied to tile edges after placement, then tile stability is improved, but the process is time-consuming and glue breaks down over time
Solution Approach 1:
The patent incorporates the stabilizing function into the fabric construction itself through the tentering process that fuses yarns during manufacturing. This preliminary action embeds the stability mechanism in the product before installation, eliminating the need for post-installation gluing operations and their associated time and reliability issues.
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 ceramic fiber core prevents 'fuzzing' and maintains a neat appearance, offering a cushioned, durable, and wipeable flooring system that resists surface dullness and chemical exposure, while allowing for easy tile replacement and production in tile form.
Implementation Method 1
the fiberglass core is brittle (substantially weaker than polyester) and therefore does not 'fuzz'—in other words, it easily breaks off from the edges of the tiles if it is exposed during normal wear
Implementation Method 2
it is sent through a tentering or curing oven which fuses the warp and fill yarns of the fabric, thereby stabilizing the fabric, preserving its integrity and preventing it from unraveling
Implementation Method 3
PVC is extruded in order to form a PVC jacket
Data Source
AI summary
A hybrid of vinyl flooring and soft cushioned carpet is provided. The hybrid flooring, which is suitable for production into tiles, utilizes woven PVC fabric that is bonded to a flexible backing. The fabric comprises woven solid color and/or multi-color yarns in order to produce different visual styles. These yarns comprise a ceramic fiber core, preferably fiberglass, onto which PVC is extruded in order to form a PVC jacket. The core provides the yarn with sufficient tensile strength so it can be woven while the PVC provides durability, resistance to wear and color. After the fabric is woven, it is sent through a tentering or curing oven which fuses the warp and fill yarns of the fabric, thereby stabilizing the fabric, preserving its integrity and preventing it from unraveling.