Field Fabrication of Reinforced Plastic Pipes

by Gerald Westesen, Montana State Univ, Bozeman, United States,
LeRoy Payne, Montana State Univ, Bozeman, United States,
John Schlegelmilch, Montana State Univ, Bozeman, United States,
Bradley Ebel, Montana State Univ, Bozeman, United States,

Document Type: Proceeding Paper

Part of: Irrigation and Drainage


A new technology allows fabrication of reinforced plastic pipe in the field, or the lining of existing pipe. The plastic used can be selected to meet job and site requirements. The reinforcing fabric adds strength and carries the plastic. Fabrication is done with a machine and process developed and patented by the Innovative Process Corporation (IPC). During fabrication a reinforcing fabric surrounds an inflatable bladder. The fabric is saturated with liquid plastic. If an existing pipe is being lined, the assembly is drawn through the pipe. The bladder is inflated forcing the pipe to a circular form or to the shape of the surrounding structure. Results of strength tests for one composite are presented. The best initial use appears to be for lining deteriorating culverts and pipelines.

Subject Headings: Pipelines | Plastic pipes | Fabrication | Plastics | Field tests | Site investigation | Equipment and machinery | Innovation

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