| 摘要 |
Abrasion alert sleeves and sleeve assemblies, and methods of using them, are disclosed. The abrasion alert sleeves include protective threads and indicator or warning threads. The protective threads are placed so as to substantially shield or hide the indicator threads unless and until the protective threads become abraded, at which time, the indicator threads become more visible. The abrasion alert sleeves and sleeve assemblies thus provide protection for hydraulic or pneumatic lines, while enabling relatively easy detection of abrasion alert sleeves or sleeve assemblies that need to be replaced due to wear. Various methods for implementing inventory control procedures and replacement procedures are also disclosed.
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