SLEEVE JOINT FOR PIPES MADE FROM SYNTHETIC MATERIAL Russian patent published in 1997 - IPC

Abstract RU 2076987 C1

FIELD: connection of pipes. SUBSTANCE: sleeve joint has body made from synthetic material; inner polyurethane layer is applied on inner surface of body by pouring. Inner diameter of sleeve body reduces towards center at least on one side. Inner diameter of sleeve at joint area of pipes being connected is at least equal to maximum diameter of sleeve at its ends. EFFECT: enhanced reliability. 3 cl, 4 dwg

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RU 2 076 987 C1

Authors

Berge Karlstrem[Se]

Dates

1997-04-10—Published

1992-09-04—Filed