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US 2021/0260739 A1Published application
Pipe coupon extraction tool
AssigneeMueller International, LLC
InventorsTimothy J. Mitchell, David Latimore Hughes, JR.
Life of this patent
Estimating the term…
Abstract
A pipe coupon extraction tool includes: a rod defining a first end, a second end, and a central axis; and a spring bar defining a first end and a second end, the spring bar rotatably secured to the rod, a surface of the spring bar configured to be angled with respect to the central axis when the pipe coupon extraction tool is engaged with a pipe coupon.
Claims20
A pipe coupon extraction tool comprising:
- a rod defining a first end, a second end, and a central axis;
- and
- a spring bar defining a first end and a second end, the spring bar rotatably secured to the rod, a surface of the spring bar configured to be angled with respect to the central axis when the pipe coupon extraction tool is engaged with a pipe coupon.
A pipe coupon extraction tool comprising:
- a tool head comprising:
- a rod defining a first end, a second end, and a central axis;
- and
- a spring bar defining a first end and a second end, the spring bar rotatably secured to the rod, a surface of the spring bar angled with respect to the central axis when the pipe coupon extraction tool is engaged with a pipe coupon;
- and
- a tool extension secured to the first end of the rod of the tool head, the tool extension defining a tool end and a handle end, the tool extension comprising a handle portion proximate to the handle end, the handle configured to be grasped by a hand of a user of the tool.
3 more elements
A method of extracting a pipe coupon from a pipe, the method comprising:
- inserting a tool head of a pipe coupon extraction tool into a bore cut into the pipe coupon, the tool head defining a first end and a second end;
- inserting at least a portion of each of a rod and a spring bar of the tool head into the bore of the pipe coupon;
- engaging a portion of the spring bar with an inner surface of the pipe coupon, the spring bar configured to stop against and not pass through the bore of the pipe coupon in an engaged position;
- and
- pulling the pipe coupon away from the pipe with the tool head.
2 more elements
Dependencies are inferred from the claim text.