Concrete reinforcement protection system
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United States of America Patent
Stats
-
Jul 24, 2001
Grant Date -
N/A
app pub date -
Oct 29, 1993
filing date -
Oct 29, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A corrosion-resistant joint for use on concrete reinforcing rods and a method to create such a joint are provided. Metal reinforcing bars are typically coated to resist corrosion. However, cutting, welding and mechanical joining of these rods disturbs the anticorrosion coating and introduces sites of potential corrosion. The corrosion-resistant joint comprises a first rod joined to a second rod with a two-layered plastic sleeve slid over the joint. A corrosion-resistant joint is created by heating the joint, causing the inner layer of the sleeve to liquefy while the outer layer shrinks, forcing the liquid inner layer into the intricacies of the joint creating a corrosion barrier. Ends of rods and regions of a rod from which the anticorrosion coating has been accidentally removed can also be protected from corrosion.
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