Patent ID: 8342316

Claim:
A conveying system for plastic material containers, in particular preforms, the containers having a predetermined reference point; the system comprising: a conveying chain for the containers, defining a closed conveying circuit, rotating about a conveying wheel, a loading wheel of the containers onto the closed conveying circuit, arranged close to said conveying wheel, a plurality of pads for gripping respective containers in a cooperation zone with the loading wheel, so as to define integral pad-container pairs, said pads being provided on the conveying chain, at least one passing zone of the containers, arranged along said closed circuit, wherein said integral pad-container pairs are free to rotate about a rotation axis, wherein there are comprised: first means for defining the angular position of the containers on said loading wheel, second means for defining the angular position of the pads on said conveying wheel, to orient the pads before gripping the corresponding containers, and third means for defining the angular position of said integral pad container pairs for orienting the containers after exiting from said at least one passing zone.