Patent ID: 6135157
Filing Date: 2000-10-24
Classification: F16L

Abstract:
A method of filling at least 50% of the interior of a disconnected or cut pipe, said method comprising the steps of:(disconnecting or cutting the pipe at two different locations,)inserting and pulling or pushing an electrical or plumbing snake or similar device through the pipe between the cuts to ensure that a clear path exists,pulling a mixing device through the pipe, whereby said mixing head is attached to two or more hoses,injecting into the pipe at least two chemicals through the mixing device, whereby the chemicals are pumped to said mixing device through said two or more hoses, whereby further said mixing device mixes the at least two chemicals, andallowing the at least two chemicals to react and cure wherein an inert foam is formed and fills (at least 50% of) the interior of the pipe to render the pipe unusable.