Ventilating plastic mouth for liquid plastic packing container

Ventilating plastic mouth for liquid plastic packing container

  • CN 202,295,711 U
  • Filed: 09/27/2011
  • Issued: 07/04/2012
  • Est. Priority Date: 09/27/2011
  • Status: Active Grant
First Claim
Patent Images

1. a liquid plastics packing container is used the breathable plastic mouth;

  • Be formed by connecting in plastic housing (1) and the soft mouth of plastics (2);

    Plastic housing (1) is made up of outer coil component (4) and central module (5);

    Outer coil component (4) is connected through dowel (7) with central module (5), and there is annular boss (11) in the bottom surface of the central module (5) of plastic housing (1), and there is negative thread (12) in the inboard of annular boss (11);

    The center of the soft mouth of plastics (2) has a liquid flow pass (13);

    There is outside thread (14) in the lateral surface of this liquid flow pass (13), and what there was this liquid flow pass (13) of shutoff in the inboard of liquid flow pass (13) tears sheet (15), and annular boss (11) is threaded with liquid flow pass (13);

    It is characterized in that;

    tear and have some through holes (17) on the sheet (15);

    Regional seal at through hole (17) place is connecting ventilated membrane (3), and ventilated membrane (3) is sealed through hole (17) fully, the tolerance clearance (19) that exists permission gas to pass through between being threaded of annular boss (11) and liquid flow pass (13).

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