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Apparatus and method of forming a sterile product package

  • US 4,636,391 A
  • Filed: 08/22/1985
  • Issued: 01/13/1987
  • Est. Priority Date: 08/22/1985
  • Status: Expired due to Fees
First Claim
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1. Apparatus for forming sterile packages containing a sterile product, said apparatus comprising an extruder ring for extruding a bubble like tube of thermoplastic film at a self-sterilizing temperature, a sterile gas supply coupled to said extruder ring for introducing gas into a newly extruded sterile thermoplastic film tube portion at at least a shape maintaining pressure;

  • filling equipment mounted within said sterile gas supply in a position to dispense a sterile product through said extruder into said sterile thermoplastic film tube portion, means within said sterile gas supply for at least externally sterilizing said filling equipment;

    a source of a sterile product;

    conduit means connecting said source of a sterile product with said filling equipment, and sterilizing means coupled to said conduit means for at least internally sterilizing said conduit means whereby a sterile product is delivered to said filling equipment, and means for separating said sterile thermoplastic film tube into closed containers which are internally sterile and have therein a fill of a sterile product.

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