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US 2021/0262602 A1Published application
Pipe replacement system
AssigneeTT Technologies, Inc.
InventorMichael Tjader
Life of this patent
Estimating the term…
Abstract
Pipe replacement devices, and systems are shown. Devices and systems may include jointed cutters and floating cutters to navigate difficult pipe replacement conditions. Devices and systems may also include replacement pipe with pre-installed supply hoses, such as lubricant supply and/or pneumatic supply hoses. Methods of pipe replacement are also described, including splitting old pipe and pulling in new pipe behind the equipment as splitting progresses.
Claims13
(canceled)
A pipe replacement device, comprising:
- an expander;
- a lateral insertion opening in a front of the expander to accept a towing cable anchor;
- a reciprocating hammer coupled behind the expander;
- and
- a jointed cutter that abuts a front end of the expander.
2 more elements
A pipe replacement device, comprising:
- an expander;
- a lateral insertion opening in a front of the expander to accept a towing cable;
- a reciprocating hammer coupled behind the expander;
- a cutter coupled to a front of the expander using a ball joint, the cutter including a plurality of replaceable blades;
- and
- a floating cutter adapted to attach to the towing cable at a selectable location in a range along the towing cable and at a location separate from, and in front of the cutter.
3 more elements
Dependencies are inferred from the claim text.