FIELD: mechanical engineering.
SUBSTANCE: compound contains an interconnected internal working pipe S and overlap mounted on the outer jacket pipe sleeve made of translucent plastic. Coupling is made of heat-shrinkable plastic translucent, and between the coupling and the outer pipe jackets embedded heating elements of the different colour from the colour of the wrapper tube are arranged.
EFFECT: insulation properties and preservation characteristics in joints areas over an extended period of time and increasing the life of the joint and pipeline systems.
7 cl, 6 dwg
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