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Bottle closure cap for two-component packages

  • US 4,903,828 A
  • Filed: 03/06/1987
  • Issued: 02/27/1990
  • Est. Priority Date: 03/07/1986
  • Status: Expired due to Fees
First Claim
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1. A closure cap system for a bottle in a two-component package, comprisinga cup-shaped closure cap with a thread extending along an inner wall of the cap for engaging a screw-on thread of said bottle;

  • a container having a cylindrical wall with a thread on the inner side and projections on the outer side of the cylindrical wall, said container being insertable within a neck of the bottle to be closed by said cap;

    a collar extending from the bottom of the cup-shaped cap, the collar having a thread engageable with the container thread for bearing said container via said container thread, said collar thread being directed opposite the cap thread to bring the container guided by said projections into non-rotatably but axially displaceable coupling engagement with an inner wall of the bottle neck; and

    whereinan annular groove is located on the bottom of the container, and an end of the collar fits within said annular groove.

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