Foam Block Artificial Rock via Resin Impregnation
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Solution Overview
Problem
Existing methods for creating artificial rock products fail to effectively replicate the strength and appearance of natural rock while being environmentally friendly and versatile in production and application.
Innovation Solution
A method involving the use of a foam carrier impregnated with a resin polymer, where the foam is shaped, weathered, and infused with resin to enhance mechanical properties and durability, allowing for the creation of a lightweight yet robust artificial rock with natural rock-like texture and appearance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional solid foam blocks are used as artificial rock, then the material is lightweight and easy to shape, but the strength and durability are insufficient to replicate natural rock
Solution Approach 1:
The patent applies composite materials by combining foam carrier material with resin polymer impregnation. The foam provides lightweight structure while the resin polymer infused into the foam cells provides strength and durability, creating a composite that replicates natural rock properties without the full weight of solid rock or traditional concrete.
2Strength
If epoxy resin and hard particles are sprayed on foam to strengthen it, then the outer surface gains rock-like texture and strength, but the manufacturing process becomes complex and time-consuming
Solution Approach 1:
The patent utilizes porous foam carrier material with open or closed cells that can be impregnated with resin polymer. The porous structure allows the resin to penetrate and strengthen the entire foam structure internally, rather than requiring complex external coating processes with multiple layers of epoxy and particles.
3Reliability
If cement-like material is sprayed on foam to give strength and rock-like appearance, then the artificial rock gains durability, but the material becomes heavier and less versatile
Solution Approach 1:
The patent employs parameter changes by modifying the foam structure through resin impregnation rather than adding heavy external coatings. The resin polymer penetrates the foam cells and cures to create a strengthened composite that maintains the lightweight nature of foam while achieving rock-like durability, allowing greater versatility in applications.
4Shape
If high density polyurethane elastomer is sprayed in flexible molds, then artificial rocks with natural texture are produced, but the manufacturing process requires specialized equipment and is less environmentally friendly
Solution Approach 1:
The patent applies preliminary action by pre-forming the foam blocks to desired shapes and sizes before resin impregnation. This allows the foam to be shaped using simple cutting and sculpting tools, and then the resin is infused to strengthen and finish the surface, eliminating the need for complex flexible molds and specialized spraying equipment.
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 method produces a highly durable and versatile artificial rock product that mimics natural rock in appearance and strength, offering improved mechanical performance, insulation, and versatility in usage and production, while being environmentally friendly.
Implementation Method 1
impregnating the foam block with resin which is in a viscous to liquid form, by infusing the resin into the foam block
Implementation Method 2
The foam is shaped, weathered, and infused with resin to enhance mechanical properties
Data Source
AI summary
The invention relates to modifying synthetic fiber sponge, such as polyester or polyurethane foam, with an epoxy-, polyester, or acrylic-resin to induce an engineered rock product for use as stone replacement in a variety of applications. The method for manufacturing comprises: producing a foam block; shaping the foam block into any regular or irregular shape; weathering the shaped foam block; infusing the weathered foam block with a resin; curing the infused foam block; and finishing the cured foam block. The artificial rock comprises a foam block shaped to resemble a rock, an exterior of the foam block infused with a resin.