Microcapillary Cable Jacket for Easy Peeling and Protection
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Solution Overview
Problem
Cable coatings are difficult to tear open for accessing internal components, requiring sharp tools and specialized methods, which increases installation and maintenance costs.
Innovation Solution
A coated conductor with a peelable polymeric coating containing microcapillaries that extend in the direction of elongation, allowing easy access to the internal components without compromising mechanical properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If cable jackets are made with tough materials for maximum protection, then mechanical strength is improved, but ease of peeling deteriorates
Solution Approach 1:
The cable jacket is segmented into multiple layers with different properties. The inner layer contains microcapillaries that facilitate peeling, while the outer layer provides mechanical protection. This segmentation allows the jacket to be both strong and easily peelable by creating a weak plane for separation.
Solution Approach 2:
The peeling特性 is localized to specific regions of the cable jacket through the incorporation of microcapillaries. These microcapillaries create localized weak points that initiate and propagate peeling without compromising the overall mechanical strength of the jacket material itself.
2Ease of operation
If cable jackets are designed for easy access to internal components, then ease of operation is improved, but mechanical properties deteriorate
Solution Approach 1:
The jacket is divided into functional segments: an outer protective layer and an inner peeling layer with microcapillaries. This allows easy access to internal components through the inner layer while the outer layer maintains mechanical integrity.
Solution Approach 2:
The microcapillaries are pre-formed in the jacket structure during manufacturing, creating predetermined peeling paths. Installers don't need to create new access points; they simply follow the pre-designed peeling paths to access internal components easily.
3Ease of operation
If specialized tools are used to tear open cable coatings, then ease of operation deteriorates, but installation cost increases
Solution Approach 1:
The cable jacket is designed to be self-peeling through the microcapillary structure. The jacket itself provides the mechanism for easy opening without requiring external specialized tools, thereby reducing installation complexity and cost.
Solution Approach 2:
The peeling mechanism is built into the jacket structure during manufacturing. Installers only need to initiate peeling at a starting point, and the pre-formed microcapillary paths automatically guide the peeling process, eliminating the need for specialized cutting tools and reducing installation time and cost.
Data Source
Figure 1
Figure 2A~2E
Figure 2C~2D
AI summary
Coated conductors comprising a conductor and a peelable polymeric coating at least partially surrounding the conductor, where the peelable polymeric coating comprises from 1 to 8 microcapillaries that define individual, discrete void spaces. Also disclosed are methods for making such coated conductors.