Recycled Polymer Cobble Segmentation for Weight and Strength

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Solution Overview

Problem

Conventional cobbles made of moldable or extrudable materials like mortar, ceramic, and concrete face issues with weight, durability, and are difficult to replace due to rupture, contributing to environmental pollution from polymeric waste accumulation.

Innovation Solution

A reusable recycled polymer cobble design comprising two separable pieces - an inner block and a coating cover - made from post-consumed polymeric waste, with a modular grid for assembly, allowing easy replacement and customization, and a multilayer coating cover for enhanced durability and aesthetics.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If conventional cobbles are made from mortar, ceramic, or concrete, then they achieve sufficient structural strength, but they become heavy and difficult to replace

Engineering Contradiction:
Improvestructural strengthVSAvoidweight
Core Design Contradiction:
StrengthVSWeight of stationary object

Solution Approach 1:

The cobble is divided into two separable pieces: an inner block made from recycled polymer waste and a coating cover that encapsulates it. This segmentation allows the heavy conventional materials to be replaced with lighter polymer materials while maintaining structural integrity through the combined design of the two components.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The invention uses composite construction by combining recycled polymer material for the inner block with a coating cover, creating a composite structure that achieves sufficient strength while reducing weight compared to conventional monolithic mortar, ceramic, or concrete cobbles.

Inventive Principle:
Principle #40Composite materials

2Strength

If conventional cobbles are made as single-piece structures, then they achieve structural integrity, but they become difficult to repair or replace when damaged

Engineering Contradiction:
Improvestructural integrityVSAvoidease of replacement
Core Design Contradiction:
StrengthVSEase of repair

Solution Approach 1:

By dividing the cobble into separable inner block and coating cover components, the invention enables easy replacement of only the damaged part. The embedding system with tabs and holes allows the pieces to be assembled and disassembled readily, facilitating repair without replacing the entire cobble structure.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The cobble structure transitions from a static single-piece design to a dynamic separable design, where the inner block and coating cover can be independently replaced. This dynamic characteristic allows the structure to adapt to repair needs while maintaining structural integrity during use.

Inventive Principle:
Principle #15Dynamics

3Object-affected harmful factors

If polymeric waste is accumulated in landfills, then it causes environmental pollution, but recycling it requires complex processing

Engineering Contradiction:
Improveenvironmental pollutionVSAvoidrecycling process complexity
Core Design Contradiction:
Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The invention changes the physical state and properties of recycled polymer waste by using compression molding to transform mixed polymeric waste into a compact, homogeneous inner block. This parameter change allows diverse polymer waste to be converted into a usable construction material without complex sorting or processing.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The invention converts harmful polymeric waste that would otherwise pollute the environment into a beneficial construction material. By incorporating mixed polymer waste into the inner block structure, the invention transforms an environmental problem into a resource for sustainable construction.

Inventive Principle:
Principle #22Blessing in disguise (Convert harm into benefit)

4Ease of manufacture

If cobbles are made with uniform material throughout, then they achieve simplicity in manufacturing, but they lack customization options for aesthetics and functionality

Engineering Contradiction:
Improvemanufacturing simplicityVSAvoidcustomization options
Core Design Contradiction:
Ease of manufactureVSAdaptability or versatility

Solution Approach 1:

By separating the cobble into inner block and coating cover, the invention allows independent customization of each component. The inner block can be manufactured with uniform recycled polymer material for simplicity, while the coating cover can be customized with different colors, textures, and properties to meet aesthetic and functional requirements.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The coating cover can have different properties in different areas or layers, allowing local customization for specific aesthetic or functional requirements while the inner block maintains uniform construction for manufacturing simplicity. This local quality differentiation enables versatility without compromising ease of manufacture.

Inventive Principle:
Principle #3Local quality

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 cobbles with improved durability, lower weight, ease of replacement, and reduced environmental impact by recycling plastic waste, while maintaining mechanical and aesthetic properties, and facilitating rapid assembly and repair.

Implementation Method 1

The inner block of the cobble is made by means of a compression molding process of post-consumed polymeric waste

Methodology Applied
Scientific EffectCompression molding: Compression

Data Source

PatentEP4379138B1Reusable recycled polymer cobble and paving system
Publication Date: 2026.03.18 MUÑOZ AGUADO DANIEL
  • EP4379138B1 patent drawingFigure 1~2
  • EP4379138B1 patent drawingFigure 3~4
  • EP4379138B1 patent drawingFigure 5~6

AI summary

Reusable recycled polymer cobble and paving system. The cobble comprises two removable pieces: an inner block of polymeric material and a coating cover of different composition and properties that encapsulates the inner block making the assembly capable of fulfilling its function. Likewise, the paving system includes a modular grid on which the cobbles are positioned, optimizing the assembly and subsequent maintenance of the pavement.