MACHINE TOOL FOR MAKING RECTANGULAR CORRUGATED ELBOW OF WATER DRAINING SYSTEMS Russian patent published in 2005 - IPC

FIELD: equipment for making corrugated elbows of water draining systems.

SUBSTANCE: machine tool includes housing, shaft with punch, rectangular pattern of tube rigidly secured to housing. Extensible and restraining die is mounted at both sides relative to punch. Shaft is mounted in bearing assemblies in hollow part of pattern with possibility of rotation by means of electric motor. Said shaft has eccentric protrusion for mounting punch with possibility of its motion to height of corrugation to the right, to the left and upwards. Punch is rectangular one.

EFFECT: improved quality of formed corrugations of elbow.

3 dwg, 1 ex