Winch boom and method for trench less replacement

US9739409B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9739409-B2
Application numberUS-201614994573-A
CountryUS
Kind codeB2
Filing dateJan 13, 2016
Priority dateAug 2, 2012
Publication dateAug 22, 2017
Grant dateAug 22, 2017

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  5. First independent claim

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Abstract

Official abstract text for this publication.

A pipe replacement system and method are shown. Configurations are shown that include a pulley that does not damage a bursting tool, as the bursting tool is pulled into a pit. Configurations are also shown that include a boom that does not need an extraction cage for the bursting tool.

First claim

Opening claim text (preview).

I claim: 1. A method, comprising: placing a boom into a pit diagonally from a winch corner to an exit corner, the boom including a first pulley at the winch corner, and a second pulley at the exit corner; running a cable from a winch, through a pipe to be replaced, to a bursting tool; pulling the bursting tool through the pipe to be replaced while pulling a new pipe behind bursting tool; pulling the bursting tool around a pulley at a distal end of the boom, and into the pit,…

Assignees

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Classifications

  • Mechanical Engineering · mapped topic

  • Mechanical Engineering · mapped topic

  • Mechanical Engineering · mapped topic

  • Mechanical Engineering · mapped topic

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What does patent US9739409B2 cover?
A pipe replacement system and method are shown. Configurations are shown that include a pulley that does not damage a bursting tool, as the bursting tool is pulled into a pit. Configurations are also shown that include a boom that does not need an extraction cage for the bursting tool.
Who is the assignee on this patent?
Tt Technologies Inc
What technology area does this patent fall under?
Primary CPC classification F16L55/1658. Mapped technology areas include Mechanical Engineering.
When was this patent published?
Publication date Tue Aug 22 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).