Single-Sided PVC Coated Scrim for Billboard Sheeting
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Solution Overview
Problem
Conventional billboard sheeting materials are heavy, prone to waste, and lack optimal weather resistance and printability, making them inefficient for large-scale, durable outdoor advertising.
Innovation Solution
A billboard sheeting material comprising a scrim with a coating applied only on one side, utilizing a composite of mesh fabric and PVC, which provides dimensional stability, reduced weight, and enhanced weather resistance, printability, and durability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If conventional billboard sheeting materials are used, then they provide sufficient durability and weather resistance, but they are heavy and prone to waste
Solution Approach 1:
The patent applies composite materials by combining a scrim substrate with a polymeric coating layer to create a billboard sheeting material that achieves both reduced weight and maintained durability. The composite structure allows the lightweight scrim to provide tensile strength while the coating layer provides weather resistance and printability, resolving the contradiction between weight reduction and durability maintenance
2Ease of manufacture
If conventional billboard sheeting materials are used, then they provide adequate weather resistance, but they lack optimal printability and are prone to waste
Solution Approach 1:
The patent applies parameter changes by modifying the surface properties of the scrim through the application of a polymeric coating layer. This coating changes the surface parameters to achieve optimal printability for inkjet, screen, or lithograph printing processes, while the precise coating application reduces material waste compared to conventional sheeting materials
3Reliability
If a coating is applied on both sides of the scrim, then weather resistance is enhanced, but weight and manufacturing complexity increase
Solution Approach 1:
The patent applies local quality by selectively coating only the front surface of the scrim that requires weather resistance and printability, rather than coating both sides. This localized coating approach maintains necessary weather protection while reducing manufacturing complexity and material usage compared to full double-sided coating
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 results in a lightweight, durable, and highly printable billboard sheeting material that withstands severe weather conditions and reduces waste, while maintaining or exceeding the properties of conventional materials.
Implementation Method 1
The material may further include a coating applied on the first side of the scrim
Data Source
AI summary
A composite material for use as a billboard sheeting material includes a scrim coated on only a single side with PVC. The composite weighs about 5 ounces per square yard.