Sheep Wool Polishing Pad with Knitted Loop Structure
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Solution Overview
Problem
Conventional polishing pads using sheep wool often exhibit variations in quality due to differences in sheep breed, environment, and processing methods, leading to inconsistent polishing results, and may not effectively maintain polishing agents during use.
Innovation Solution
A polishing pad with a backing layer and a polishing layer made of knitted or woven sheep wool fibers forming loops, which are fixed onto the backing layer, providing a surface weight of at least 500 g/m², allowing for consistent quality and effective retention of polishing agents.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional sheep wool polishing pads are used, then polishing effect is achieved, but quality consistency deteriorates due to variations in sheep breed, environment, and processing methods
Solution Approach 1:
The patent specifies precise parameter ranges for the polishing layer including surface weight (at least 500 g/m²), loop height (0.5-5 mm), and fiber diameter (10-30 micrometers). By controlling these physical parameters rather than relying on natural wool variations, the invention achieves consistent polishing quality across different batches and suppliers.
Solution Approach 2:
The patent creates a structured loop configuration where wool fibers are arranged in specific patterns with controlled loop heights and densities. This local structural organization ensures uniform polishing performance in different areas of the pad, compensating for natural variations in the wool material itself.
2Reliability
If sheep wool fibers are used in polishing pads, then polishing effect is provided, but fiber entanglement occurs reducing performance consistency
Solution Approach 1:
The patent divides the wool fiber structure into discrete loops of controlled height (0.5-5 mm) that are individually anchored to the backing layer. This segmentation prevents random fiber entanglement while maintaining the polishing function, as each loop operates independently within its defined spatial boundaries.
Solution Approach 2:
The patent transitions from a flat, two-dimensional wool layer to a three-dimensional loop structure with controlled vertical height. This dimensional change allows fibers to maintain their polishing function while preventing lateral entanglement, as the loop configuration provides vertical separation and structural organization.
3Reliability
If polishing pads with sufficient surface weight are used to maintain polishing agents, then agent retention improves, but pad weight and complexity increase
Solution Approach 1:
The patent optimizes the surface weight parameter to a specific threshold (at least 500 g/m²) that provides sufficient polishing agent retention without excessive weight. This parameter optimization balances agent retention requirements with practical pad weight considerations, avoiding both insufficient and excessive material usage.
Data Source
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AI summary
The invention relates to a polishing pad for polishing a surface, material for a polishing pad and a method for manufacturing material for a polishing pad. A polishing pad according to an embodiment comprises a backing layer and a polishing layer made of sheep wool fibres fixed onto a surface of the backing layer, wherein the polishing layer comprises loops made of sheep wool fibres.