Patent ID: 8414812
Filing Date: 2013-04-09
Classification: B29C,B29K,B29L

Abstract:
1. A method for injection molding bodies having at least one wall portion externally covered by a label, comprising: a) using at least one molding assembly ( b) using a label pick-up means ( c) actuating said transfer means by means of a first actuator ( d) moving apart said transfer means and said depositing means, moving together the other movable part of the molding assembly so as to form the molding cavity, next closing and locking the movable parts of the mold thus assembled in view of performing the injection of plastic material into the molding cavity; characterized in that a machine is used, which comprises: A) an indexed rotary platen ( B) an injection press, placed at one of the work stations of the rotary platen, the so-called molding station, in such a configuration that when the molding assembly arrives in the closed and locked state at said molding station, said molding assembly is placed by means of a second actuator in alignment with the feeding channels of said injection press, next said molding assembly is pressed and held, typically by means of said second actuator, bearing on said injection press while the plastic injection molding cavity is being filled; C) said label transfer means ( wherein said body to be molded has a substantially planar bottom and a side wall extending according to a surface of revolution having an axis perpendicular to the plane of said bottom and which is covered by a label, wherein: a′) said molding assembly ( b′) said label transfer means ( c′) said label is held on said mandrel by a holding means ( d′) by means of said first actuator ( e′) when said mandrel ( wherein a label ( 1) peripherally, the side wall ( 2) when the matrix ( 3) the bottom of the matrix has an annular boss (