Lock and pin combination for cold working cracks
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United States of America Patent
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Jul 23, 2024
Grant Date -
Jul 13, 2023
app pub date -
Mar 16, 2023
filing date -
Dec 8, 2020
priority date (Note) -
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Abstract
A lock and pin for the structural and fluid tight repair of cracks not amenable to high temperature repairs or synthetic material patches. Fluid tight pins and locks seal the crack while one or more locks prevent the crack from growing. These repairs need to endure the remaining life cycle of the machinery part while withstanding all the strain, pressure, heat and expansion and contraction of the part before the crack(s) were formed. Often these cracks evolved due to engineering design flaws that will require even greater strength from these areas than when new.
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