Bell-Hole Pipeline Protection System

A Bell-hole Pipeline Protection System is a protective device for underground gas lines that cross under vehicular travel paths.

  • For Use on Underground Gas Piping
  • Prevents Damage and Leaks
  • Strong and Durable
  • Faster, Easier, and Cheaper Than Conventional Protection Methods
  • Easy to Manufacture


Utility Patents #8,985,903, D740,450

Story Behind the Invention

Inventor Trent Wayne Frith, a pipeline inspector from Burgettstown, PA has created a protective device for underground gas lines that cross under vehicular travel paths.

There are literally thousands of miles of underground gas pipelines that carry fuel from sources to and from refineries, businesses, and homes. These gas lines require access for servicing and maintenance. They also require physical protection against damage, especially in areas where they pass underneath vehicular traffic ways, as the weight of heavy trucks can crush them. Protection typically consists of a process requiring the use of formwork and concrete which is difficult to handle, time consuming to use, and costly to implement. Additionally, the mass of concrete must be dealt with should the gas line be removed at a future date. Inventor Frith has created a means by which protection for underground gas lines can be provided without these issues.

This clever new invention is for use on underground gas piping. It prevents damage and leaks. It is strong and durable. It is faster, easier, and cheaper than conventional protection methods. The invention utilizes a series of plastic panels that fold and assemble together to form a protective structure around a portion of a subterranean pipeline. The system is easy to manufacture. The use of A Bell-hole Pipeline Protection System provides for the ability to protect underground gas pipelines in a manner which is quick, easy, and effective.

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