Patent ID: 11879566
Assignee: MORAY GROUP, LLC
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC F

Claim 26:
27. A method of repairing a pipeline having interior walls, said method comprising:
operatively connecting a pinch valve to an inversion apparatus;
taking a repair assembly and an elongated component, passing the elongated component through the pinch valve, wherein the elongated component has a diameter;
moving the deformable member from a first position having a first internal diameter to a second position having a second internal diameter that is smaller than the first internal diameter;
using fluid pressure to invert the repair assembly into the pipeline and urge the repair assembly into contact with the interior walls of the pipeline as the elongated component moves through the pinch valve;
wherein the pinch valve comprises a containment sleeve positioned radially outward from the deformable member and the method further comprising introducing fluid pressure from a fluid pressure source into a cavity formed between the housing and the containment sleeve to cause the containment sleeve to move from a first containment sleeve position to a second containment sleeve position.