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Sealant caps including internal barrier rings

  • US 10,539,173 B2
  • Filed: 04/22/2014
  • Issued: 01/21/2020
  • Est. Priority Date: 04/22/2013
  • Status: Active Grant
First Claim
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1. A sealant cap assembly comprising:

  • a cap shell comprising an interior volume, a closed top, a bottom opening, a bottom rim and a recessed sealant reservoir adjacent to the bottom opening;

    a sealant barrier ring at least partially inserted in the recessed sealant reservoir in the cap shell having an upper edge below the closed top of the cap shell, wherein the recessed sealant reservoir is located radially inside the bottom rim and radially outside the sealant barrier ring, and wherein the sealant barrier ring slidably contacts an annular recess of the cap shell, is partially inserted in the recessed sealant reservoir of the cap shell and extends downward past the bottom rim of the cap shell; and

    sealant located radially outside the sealant barrier ring adjacent to the bottom opening of the cap shell.

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