Pipe Pulling Head
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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app pub date -
Aug 22, 2016
filing date -
Aug 22, 2016
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A pipe pulling head is provided, including first and pulling portions and a screwing portion. The engaging portion has a front end, a rear end, and an outer surface and configured for engaging and holds a first external pipe from inside of the first external pipe. The screwing portion has a front end, a rear end, and an outer surface and disposed at the front end of the engaging portion and extends coaxially and configured to be engaged and pulled by a tool such as wrench or winch. The pulling portion is provided in a central hole provided through the engaging portion and the screwing portion. The pipe pulling head is configured to be installed in the first external pipe and pulled through a second external pipe having a diameter larger than the first external pipe by the screwing portion.
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