Variable-pitch moulding units and moulding machine
AssigneeSidel Participations
InventorBruno Galloni
Life of this patent
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Abstract
An assembly including units for molding polymer materials, the units being arranged successively in a mobile line, each of the molding units including a mold, the mold including two parts mutually mobile about a pivot pin, the movement of the two parts relative to each other being produced upon opening and closing of the mold. The assembly includes rollers co-operating with a track, each of the rollers being connected by link rods to the two pivot pins of adjacent molding units, the path described by the rollers against the track and the path described by the pivot pins being urged to be brought closer together on a predetermined travel of the molding units, such that the distance between the pivot pins of the adjacent molding units is increased during the travel.
Claims13
Assembly comprising moulding units for polymers, these units being arranged one after the other in a mobile line, each of said moulding units comprising a mould, this mould comprising two parts mobile with respect to each other about an articulation shaft, the movement of these two parts with respect to each other taking place during the opening and closing of the mould, wherein the assembly comprises rollers cooperating with a cam, each of said rollers being connected by links to the two articulation shafts of contiguous moulding units, the trajectory described by the rollers against the cam and the trajectory described by the articulation shafts being brought closer to each other on a predetermined course of the moulding units, so that the distance between the articulation shafts of the contiguous moulding units is increased over this course.
Dependencies are inferred from the claim text.