Foamed PVC Composite Decking with Fiberglass Reinforcement
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Solution Overview
Problem
There is a need for inexpensive, lightweight, sturdy, and weather-resistant decking, window covering, and railing components that are aesthetically appealing and easy to manufacture, as traditional solid wood components are labor-intensive, costly, and prone to deterioration.
Innovation Solution
The development of composite members made from a mixture of polyvinyl chloride (PVC) with chopped fiberglass, processed to form foamed composite members that are lightweight, strong, and resistant to weathering, with a wood-like appearance without wood content, using fused and compacted pellets for manufacturing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If solid wood components are used for decking, window blinds, and railings, then aesthetic appeal is improved, but labor intensity and construction complexity increase
Solution Approach 1:
The patent uses composite materials consisting of polymeric resin and wood flour to create decking, railing, and window blind components that replicate the aesthetic appearance of solid wood while enabling more efficient manufacturing processes. The composite material allows for extrusion and molding techniques that reduce labor intensity compared to traditional solid wood construction.
2Stability of the object's composition
If solid wood components are used, then natural aesthetic appeal is improved, but weight and handling difficulty increase
Solution Approach 1:
The composite material formulation using polymeric resin and wood flour creates components that are lighter than solid wood while maintaining aesthetic appeal. The polymeric matrix provides structural integrity with reduced density compared to solid wood, making installation and handling easier.
3Stability of the object's composition
If solid wood components are used, then initial aesthetic appeal is improved, but maintenance cost and frequency increase
Solution Approach 1:
The polymeric resin-based composite material provides inherent resistance to weathering, rot, and pest infestation that plagues solid wood. The material requires minimal maintenance compared to solid wood, eliminating the need for frequent painting, sealing, or treatment while maintaining aesthetic appearance over time.
4Stability of the object's composition
If solid wood components are used, then initial appearance is improved, but long-term durability and weather resistance worsen
Solution Approach 1:
The polymeric resin matrix in the composite material provides superior weather resistance compared to solid wood. The material is resistant to moisture absorption, UV degradation, and biological degradation, ensuring long-term durability and consistent appearance in outdoor environments where solid wood would deteriorate.
5Stability of the object's composition
If solid wood materials are used, then aesthetic appeal is improved, but cost and price increase
Solution Approach 1:
The composite material using polymeric resin and wood flour provides a cost-effective alternative to solid wood. The formulation allows for efficient manufacturing through extrusion and molding processes, reducing production costs while maintaining aesthetic appeal. The material utilizes readily available ingredients that can be processed into high-value construction components.
6Stability of the object's composition
If solid wood components are used, then natural appearance is improved, but consistency and uniformity worsen due to natural variations
Solution Approach 1:
The composite material formulation provides consistent and uniform properties throughout each component and across different components. The controlled composition of polymeric resin and wood flour eliminates the natural variations found in solid wood, ensuring uniform color, texture, and dimensional stability across all decking, railing, and window blind components.
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 composite members provide increased strength and durability, are resistant to outdoor weather conditions for extended periods, and are cost-effective to produce, offering a durable and aesthetically pleasing alternative to solid wood components.
Implementation Method 1
The composite member may comprise a foamed composition
Data Source
AI summary
New composite members, for example, useful in decks or decking systems, rail or railing systems and window-coverings or blinds and the like, as well as methods for producing the same or like items have been discovered. The composites or composite members are easy to manufacture in a variety of configurations using relatively inexpensive materials. In addition, the composites are sturdy, lightweight and have excellent weatherability properties. In addition, the composites or composite members have many of the desirable properties of natural wood products such as fences and decks and railings. For example, the composites of the invention can be made to have a wood-like look and texture, for example, without having any wood content. Moreover, unlike solid wood fences and decks, the composites of the present invention preferably are highly resistant to effects of weathering.