Patent ID: 8365506
Filing Date: 2013-02-05
Classification: B29C,B29L,B65B,B65D

Abstract:
1. An apparatus ( 1 ) for closing tubular mesh bags of heat-sealable material from a longitudinal portion of constricted mesh ( 5 ) and from a portion of at least one plastic strip ( 4 ), with a width (D) greater than that of the longitudinal portion of constricted mesh and applied in a longitudinal direction on the mentioned longitudinal portion of constricted mesh, such that respective side bands ( 4 a , 4 b ) of the strip project on both sides of the constricted mesh, comprising a die ( 6 ) and a mobile carriage ( 15 ), between which the mesh and the strip can be arranged, the die being provided with a groove ( 6 a ) with a width (d) less than that of the strip and the carriage being movable according to an alternate linear back and forth movement between the extreme positions of start (A) and end (B) of run, towards the die, and vice versa, being assembled on the carriage, such that they automatically and consecutively operate the assembly formed by the mesh and the strip, as the carriage moves from the start position towards the final position of the run thereof, transverse constriction means ( introducing means ( folding means ( the apparatus further comprising: