×

Seal puncture fitting on a liquid container

  • US 5,072,762 A
  • Filed: 06/21/1990
  • Issued: 12/17/1991
  • Est. Priority Date: 06/21/1990
  • Status: Expired due to Fees
First Claim
Patent Images

1. A combination liquid container and seal puncture assembly, the liquid container having a spout with a membrane seal disposed in covering, sealed relation over a top opening of the spout, said combination liquid container and seal puncture assembly comprising:

  • a cylindrical collar member adapted to fit telescopically about the spout of the container so at to be movable from a normally extended position to a collapsed position, said cylindrical collar member being disposed about the spout of the container with an upper portion of said cylindrical collar member extending beyond the top opening of the spout, defining said normally extended position,a cutting means disposed within said upper portion of said cylindrical collar member and structured and configured to pierce and pry open the membrane seal covering the top opening of the spout upon telescopic movement of said cylindrical collar member to said collapsed position,a cam means attaching said cylindrical collar member to the spout, said cam means dimensioned and disposed to allow for both rotational and vertical movement of said cylindrical collar member about the spout of the container,said cam means including a notched cam track disposed circumferentially about the spout,said cam means further including a cam disposed on an inner surface of said cylindrical collar member and adapted to be receivingly engaged within said notched cam track on the spout so as to permit said rotational movement of said collar member about the spout,said cam means further including a vertical groove interconnecting with an extending downwardly with said notched cam track and structured and configured to allow said cam to travel therealong permitting said vertical movement of said collar member from said normally extended position to said collapsed position,said cylindrical collar member including a threaded outer surface disposed about an upper end thereof, anda cap means for covering said upper end of said cylindrical collar member and including an annular lip having a threaded inner surface adapted for threadable engagement with said threaded outer surface of said cylindrical collar member.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×