Cork Composite Boat Component with Elastic Plastic Coating
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Solution Overview
Problem
Existing boat components made from wood are limited by their shape elasticity, water resistance, and high density, which increases manufacturing complexity, cost, and weight, making them unsuitable for lightweight and efficient yacht building.
Innovation Solution
A composite boat component featuring a cork composite material core embedded in an elastic polyurethane-based plastic body, providing enhanced shape elasticity, water resistance, and reduced density, with a grooved surface structure to mimic wood appearance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If wood is used for boat building elements, then water resistance and durability are improved, but weight and cost increase
Solution Approach 1:
The patent applies composite materials by combining a cork core with a plastic coating layer. The cork provides lightweight structure and natural water resistance, while the plastic coating enhances durability and protects the cork. This composite approach achieves water resistance comparable to or exceeding traditional wood, while significantly reducing weight due to cork's lower density.
2Reliability
If wood is used for boat building elements, then durability is improved, but manufacturing complexity and cost increase
Solution Approach 1:
The composite structure of cork core with plastic coating simplifies manufacturing compared to working with solid wood. The cork can be easily shaped and cut, while the plastic coating is applied as a liquid or paste that hardens to form a protective layer, eliminating the need for complex woodworking techniques required for durable wood components.
Solution Approach 2:
The patent applies local quality by providing the plastic coating only on the outer surface of the cork component. This localized application concentrates the protective and durable properties where they are most needed (exposed surfaces), while the inner cork structure maintains its lightweight and easy-to-manufacture characteristics.
3Strength
If wood is used for boat building elements, then strength is improved, but weight and elasticity are worsened
Solution Approach 1:
The composite design combines cork's lightweight properties with plastic's strength characteristics. The cork core provides structural integrity and buoyancy, while the plastic coating adds surface strength and impact resistance. This achieves adequate strength for boat building elements at a fraction of the weight of solid wood.
Solution Approach 2:
The patent utilizes parameter changes by selecting cork with specific density characteristics (lightweight) and combining it with plastic materials that provide the necessary mechanical strength. The plastic-to-cork ratio and coating thickness can be adjusted to optimize the strength-to-weight ratio for different applications.
4Shape
If wood is used for boat building elements, then appearance is improved, but water absorption and weight increase
Solution Approach 1:
The plastic coating is applied locally on the outer surface of the cork, providing a water-impermeable barrier exactly where water contact occurs. The cork interior remains untreated and maintains its natural properties, achieving water resistance without the weight and absorption issues of fully saturated wood structures.
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 component achieves improved elasticity, reduced weight, and lower production costs while maintaining necessary water resistance and stability, enabling the creation of lighter, faster boats with a wood-like appearance.
Implementation Method 1
the casting compound bonds very firmly to the surface of the cork composite, as the casting compound can penetrate and grip the open surface structure of the cork composite
Implementation Method 2
the elasticity of the boat building element is greatly increased by the cork composite core, as this type of cork composite material is very elastically deformable
Data Source
Figure 1~2
Figure 3
AI summary
The invention relates to a boat component (05, 06) which can be flexibly bent in the direction of the longitudinal axis thereof and, in the bent shape, can be fastened at least at two fastening points. The material of which the boat component (05, 06) is made has water-resistant, in particular sea water-resistant properties. The boat component (05, 06) comprises a core (07) which is embedded at least in part in an elastic plastic member (08) and which is made of a composite cork material made from cork particles and a binding matrix.