FIELD: pipeline transport, applicable for sealing of interprise space and passage of communication cables in a protective tube through a sealing tap of the cup in transitions of main pipelines laid in a protective shell under the automobile and railroads.
SUBSTANCE: the rubber cup for passage of communication cables is manufactured by a non-moulding method, it represents a product consisting of two cylindrical sections 57-1420 mm and 219-1720 mm in diameter and a tapered section connecting them. A branch pipe is made on the tapered section of the ruber cup as an integral with the cup. The branch pipe is made on the tapered section of the ruber cup with a wall thickness of 3-8 mm in its upper part and a diameter of 20-120 mm and wall thickness of 3-9 mm in its lower part.
EFFECT: reliable sealing of interpipe space and protective tubes of the communication cables in the cup branch pipe in the transitions of the main pipelines under automobile and railroads laid in a protective shell.
6 cl, 4 dwg
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