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US 2020/0263305 A1Published application
Blackened rod with anticorrosive coating
AssigneeL & H Threaded Rods Corp.
InventorsJohn C. GRAY, Thomas L. RATERMAN
Life of this patent
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Abstract
A system including a rod shaped and configured to be formed into a U-bolt, the rod including a body having a pair of opposed threaded ends. The system further includes a blackening coating on an outer surface of the body, and an anticorrosive coating on the blackening coating.
Claims18
A system including a rod shaped and configured to be formed into a U-bolt comprising:
- a body having a pair of opposed threaded ends;
- a blackening coating on an outer surface of the body;
- and
- an anticorrosive coating on the blackening coating.
1 more element
A method for treating a rod comprising:
- immersing a ferrous rod in a solution of a blackening agent to form a blackened surface on the rod;
- removing the rod from the solution of the blackening agent;
- and
- applying an anticorrosive coating to the blackened surface of the rod.
1 more element
Dependencies are inferred from the claim text.