Patent ID: 6401973
Filing Date: 2002-06-11
Classification: B67B,B67C

Abstract:
A device for the dynamic storage of a pre-specified number of stoppers intended for the closing as they pass of filled container this device comprising:means (15) for the supply of stoppers pre-positioned and placed one after the other with a pre-specified pitch, conveyor means (2022, 24, 26) moving the stoppers on a trajectory having a length a function of aforesaid pre-specified number of stoppers, and removal means (27) located at the outlet of said conveyor means for grabbing the stoppers one by one, characterised in that the conveyor means include: a cylinder (21) rotating around a vertical axis (23) and having, on its peripheral surface, a multiplicity of vertical parallel cavities (24), and a fixed helicoidal track (22) tightly surrounding the cylinder (21) over all its height and suitable to support stoppers otherwise partially engaged individually in aforesaid respective cavities of the cylinder so as to be driven on the helicoidal trajectory defined by the track when the cylinder rotates the number of turns of the helicoidal track and the number of vertical cavities formed on the periphery of the cylinder defining the aforesaid pre-specified number of stoppers present simultaneously in the device.