Patent ID: 7364422
Filing Date: 2008-04-29
Classification: B29C

Abstract:
1. A driving device for moulds for the production of containers, for example, bottles or the like made of polyethylene, polypropylene or other plastic materials; the moulds ( 2 ) consisting of two half-shells ( 3 ) designed to be brought together and pressed against one another along outer profiles ( 4 ); the device ( 1 ) comprising a unit ( 7 ) which drives the movement of the half-shells ( 3 ); the device ( 1 ) further comprising a main drive and an auxiliary drive for the drive unit ( 7 ), in which the main drive is electric and the auxiliary drive is mechanical, the main drive comprising an electric motor ( 19 ) operating two rocker arms ( 12 ) connecting the half-shells ( 3 ) with two respective arms ( 15 ), at least one of which consists of an actuator cylinder; both arms being hinged on one side to a joint ( 11 ) and on the other side to a respective rocker arm ( 12 ).