Full flow winding machine

Details Full flow winding machine Full flow winding machine

1996-07-30

1998-07-14

Brinson, Patrick F.

Pipes and tubular conduits

Repairing

138 98, 156287, 156294, 264 36, 264516, 264267, F16L 5516

Patent

active

057789363

ABSTRACT:
A system for generating a liner tube for an underground pipe while material is flowing through the pipe, incorporates a liner winding assembly, a carriage assembly connected to the liner tube being formed, a towing device for generating a pulling force on the carriage assembly and the liner tube being formed, and a liner hub assembly fixedly connected to the liner tube for operatively connecting the carriage assembly with the liner tube. The liner winding assembly includes a feeding and driving device for feeding liner material into the underground pipe, a device for forming the liner material into a liner tube, and a mounting device for fixedly mounting the feeding and driving device and the forming means in the underground pipe. The feeding and driving device generates a driving force to move the liner tube into and through the underground pipe as the liner tube is being formed. The carriage assembly is operatively connected to a front end of the liner tube, and includes a structure for movably supporting the carriage assembly as the liner tube moves into and through the underground pipe. The carriage assembly further generates a torque on the liner tube as the towing device is pulling the carriage assembly. The liner hub assembly is fixedly connected to the liner tube, whereby the pulling force of the towing device translated into the torque of the carriage assembly is operatively exerted on the liner tube releasing the liner tube from obstructions.

REFERENCES:
patent: 4334943 (1982-06-01), Zenbayashi et al.
patent: 4589447 (1986-05-01), Kane et al.
patent: 4773450 (1988-09-01), Stanley
patent: 4777984 (1988-10-01), Storah
patent: 4865673 (1989-09-01), Shishkin et al.
patent: 4867921 (1989-09-01), Skeketee, Jr.
patent: 4963211 (1990-10-01), Allen et al.

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