Groutless Thermoplastic Pavement Preforms for Wear Resistance
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional methods for forming patterns on paved surfaces often require grout lines, which can wear off over time, especially in high-traffic areas, and are labor-intensive, costly, and not well-suited for large or complex designs, and existing traffic markings are bulky and prone to damage from snowplows.
Innovation Solution
The use of thermoplastic pavement marking preforms with four independent sections of different shades, colors, or textures that are coplanar and groutless, applied as a single sheet to simulate paver patterns, eliminating the need for grout lines and using an adhesive to maintain pattern integrity and prevent dislodging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional paver patterns with grout lines are used, then the paver pattern can be formed on the pavement surface, but the grout lines wear off over time especially in high-traffic areas
Solution Approach 1:
The invention removes the grout lines entirely from the pavement surface by using a groutless paver pattern. The thermoplastic preform creates continuous paver patterns without the traditional grout joints, eliminating the component that wears off and requires maintenance.
Solution Approach 2:
The invention changes the physical state and composition of the pavement marking material by using thermoplastic preforms that are applied in a molten state and then cool to form a durable, continuous surface. This parameter change from conventional grout-based patterns to thermoplastic groutless patterns fundamentally alters the wear characteristics.
2Ease of manufacture
If conventional paver patterns are installed using traditional methods, then the paver pattern can be formed, but the installation is labor-intensive and costly
Solution Approach 1:
The thermoplastic paver patterns are pre-formed into sheets with the complete paver pattern design before application to the pavement. This preliminary preparation allows for rapid installation by simply laying down the pre-formed sheets, eliminating the need for on-site cutting, fitting, and grouting operations.
Solution Approach 2:
The invention uses pre-formed thermoplastic sheets that replicate the appearance and pattern of traditional pavers. These sheets are copied from master patterns and can be rapidly installed without requiring skilled labor to create the pattern on-site, significantly reducing installation time and cost.
3Reliability
If conventional traffic markings are used, then traffic patterns can be marked on the pavement, but the markings are bulky and prone to damage from snowplows
Solution Approach 1:
The thermoplastic preforms are applied in a molten state that allows them to conform exactly to the pavement surface contours, then they cool and solidify into a thin, flush-mounted layer. This parameter change from thick extruded markings to thin conformal coatings eliminates the bulk that makes conventional markings vulnerable to snowplow damage.
4Stability of the object's composition
If conventional paver patterns with grout sections are used, then the pattern can be formed, but grout sections separate the patterns creating a less continuous surface
Solution Approach 1:
The invention merges the entire paver pattern into a single continuous thermoplastic sheet without separate grout sections. The sheets are laid adjacent to each other with edges meeting to form continuous patterns, eliminating the separation created by traditional grout joints and creating a unified, continuous surface composition.
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
This solution provides a durable, safer, and smoother surface with reduced trip hazards and vibrations, as well as a quicker and less costly installation method for groutless paver-like patterns on paved surfaces, which are resistant to pedestrian and vehicular traffic and snowplow damage.
Implementation Method 1
a first, second, third and fourth independent thermoplastic sheet section that is laid onto a pavement surface
Implementation Method 2
using an adhesive to maintain pattern integrity and prevent dislodging
Data Source
AI summary
The disclosure describes an article of manufacture and method of forming one or more paver or paver-like patterned preforms for application to a pavement surface. The pattern may be selected for functional or decorative purposes. These distinct thermoplastic pavement marking patterned preforms comprise at least four independent sections wherein each of the four independent sections are placed on a pavement surface such that the four independent sections are separate and distinct and the four sections have top surfaces that are coplanar and also different from one another wherein the difference is selected from the group consisting of: different shades, different colors, and different textures, and wherein at least two of the four independent sections that are contiguous with each other are different shades, colors, or textures and wherein no grout line exists separating any of the four independent sections that combined together comprise the patterned preforms.