Multiple layer pipe

B - Operations – Transporting – 32 – B

Patent

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Details

B32B 1/08 (2006.01) F16L 9/12 (2006.01) F16L 11/04 (2006.01)

Patent

CA 2704587

Abrasion resistant polymer pipe and a process for the production thereof. The pipe comprises a first, abrasion resistant inner layer (1) and a second, structural layer (2), which is placed on the outer side of the inner layer. The first and the second layers comprise extrudable polymer materials and they are preferably separated by an alarm layer which indicates wear or depletion of the inner layer. The pipe is suitable for use in the mining industry and generally for conducting liquid and gaseous fluids containing abrasive particles.

L'invention concerne un tuyau polymère résistant à l'abrasion et un procédé pour sa fabrication. Le tuyau comprend une première couche interne résistant à l'abrasion (1) et une seconde couche structurale (2) qui est placée sur le côté externe de la couche interne. Les première et seconde couches comprennent des matières polymères extrudables et elles sont, de préférence, séparées par une couche d'alarme qui indique l'usure ou l'appauvrissement de la couche interne. Le tuyau est approprié pour une utilisation dans l'industrie minière et, d'une manière générale, pour conduire des fluides liquides et gazeux contenant des particules abrasives.

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