ADAPTER USED FOR CORRUGATION TUBE Russian patent published in 2005 - IPC

FIELD: pipe line fittings.

SUBSTANCE: proposed adapter has first thread and first body which has in its turn first inner passage and first axial line. First body has many dowel pins molded as single part. Dowel pins are located radially over periphery of first body. Each dowel pin is separated from adjacent dowel pin by gap. Second body is twin part relative to first body; it has second inner passage and second axial line. Second body has surface of bending of dowel pins for bringing them in contact with dowel pins and directing them towards first axial line. Second body has second thread for connection with first thread and consequently for connection of first and second bodies.

EFFECT: enhanced tightness of joint.

11 cl, 10 dwg