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Injection molding nozzle for plastic with at least two outlet openings

  • US 7,322,817 B2
  • Filed: 07/10/2003
  • Issued: 01/29/2008
  • Est. Priority Date: 07/10/2002
  • Status: Active Grant
First Claim
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1. Injection molding nozzle (1) for plastic comprising:

  • at least one pair of outlet openings (2) disposed opposite one another relative to a center axis in an end region of the injection molding nozzle directed toward different sides of the nozzle (1), for discharging to different sprue openings, each of the outlet openings (2) including a needle closure with a closure needle (5) adjustable in a direction of one of the outlet openings (2);

    a common drive element for displacing the closure needles (5) in a closing direction, the drive element being a displacement member movable between rear ends of the closure needles (5), and the drive element including a cross section that is at least one of a cone (9), conical, tapered, a cam disk and an eccentric disk (10); and

    a feed channel (4) for transporting plastic to the outlet openings (2), the feed channel closeable by the drive element when displacing the closure needles.

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