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Fill port for a balloon

  • US 9,643,707 B1
  • Filed: 04/25/2016
  • Issued: 05/09/2017
  • Est. Priority Date: 11/18/2014
  • Status: Active Grant
First Claim
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1. A method of manufacturing a balloon including a balloon envelope, the method comprising:

  • folding a second portion of a fill port apparatus having a first portion including a fill port and the second portion;

    inserting at least a portion of the folded second portion through an opening in balloon envelope material, wherein the opening is arranged at a location of the balloon envelope material corresponding to an apex of the balloon envelope;

    unfolding the folded second portion when the at least a portion is through the opening;

    after the unfolding, securing the at least a portion to a surface of the balloon envelope material;

    after the securing, inflating the balloon envelope with lift gas though the fill port of the apparatus; and

    after the inflating, attaching a cap to the fill port of the apparatus.

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