The method calibrated for the pouring opening to the plastic containers manufactured with extrusion blow molding processes

The method calibrated for the pouring opening to the plastic containers manufactured with extrusion blow molding processes

  • CN 103,717,375 B
  • Filed: 04/10/2012
  • Issued: 11/23/2018
  • Est. Priority Date: 05/16/2011
  • Status: Active Grant
First Claim
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1. a kind of for the pouring opening in the plastic containers (30) manufactured with extrusion blow molding processes or on plastic containers (30)The method that (33,35) are calibrated, wherein will by extrusion nozzle (9) single layer or the portion of plastic flexible pipe (10) that squeezes out of multilayer groundSection (20) is put into the die cavity (4) of blowing mould mold (1) and is filled by calibrating blow cores (11) according to the die cavity (4) of encirclementGas, wherein at least one pouring opening (33,35) to the plastic containers carries out school in terms of its interior diameter and its Internal peripheryStandard, and the plastic containers (30) for completing inflation are demoulded, which is characterized in that in the top plate (5) of the blowing mould mold (1)It is after closing, however before the blowing mould mold (1) reaches the position that it is completely closed, the calibration blow cores (11) is axialGround is moved into the plastic flexible pipe section (20), so that avoiding the axial inclined of plastic flexible pipe when being moved axially into calibration blow coresIt moves, wherein when blowing mould mold (1) completely closes, in the range of the alignment surface of calibration blow cores (11) radially by plastic flexible pipeExtrusion.

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