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Direct melt processing of resins

  • US 20070031556A1
  • Filed: 10/14/2005
  • Published: 02/08/2007
  • Est. Priority Date: 08/05/2005
  • Status: Active Grant
First Claim
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1. A method for direct injection molding an animal chew comprising:

  • introducing resin into an injection molding machine including a modified screw, said modified screw comprising a transition zone having a first length L1 and a feed zone having a second length L2, wherein L1>

    0.5*L2; and

    forming said resin into an animal chew.

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