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US 9,982,788 B1Granted
Method and apparatus for blinding non-energy sources
AssigneeMarathon Petroleum Company LP
InventorMichael Maron
Life of this patent
Estimating the term…
Abstract
This bleeder guard is used for blinding pipe flanges in refineries, chemical plants, and other fluid processing plants joined in many places by flanged joints. The bleeder guard is an elongated rod, having a first end with a threaded surface and a second end with a smooth surface. The bleeder guard preferably is a smooth elongated rod of uniform diameter. The elongated rod typically has a cylindrical shape.
Claims5
A guard for blinding a non-energy pipe flanged joint of a fluid processing plant, the flanged joint including an aperture passing therethrough, said aperture having a threaded surface;
- the guard comprising an elongated rod having a first end with a threaded surface and an opposed second end having a smooth surface, wherein the threaded surface of the elongated rod is threaded into engagement with the threaded surface of the aperture thereby preventing the attachment of an energy source to the non-energy pipe flanged joint.
Dependencies are inferred from the claim text.