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Cap for a container having a neck having a single attachment flange

  • US 5,605,240 A
  • Filed: 05/08/1995
  • Issued: 02/25/1997
  • Est. Priority Date: 05/06/1994
  • Status: Expired due to Fees
First Claim
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1. A unitary, one-piece, container cap on a container, comprising:

  • a ring (7) with a bead (10) for attaching it by clipping behind an external flange (3) on a container neck,a stopper (8) with a perimeter having a disk (11), an annular bearing surface (12), and an annular sealing skirt (13) cooperating with the inside of the neck (1) which is joined by a hinge (15) to said ring (7), anda tamper proof strip (9) joining the stopper (8) to the ring (7) until it is torn off the first time the cap is opened, where capping said container having said neck (1) with said single attachment flange (3) at a distance from the upper edge (5) of the neck, the annular bearing surface (12) bears on the upper edge (5) of the neck and surrounds said entire skirt (13), said skirt (13) projecting from said bearing surface (12) over a length (1) greater than a distance (h1) between a lower side (4) of the flange (3) and the upper edge (5) of the neck, and the hinge is offset relative to said annular bearing surface (12) towards the ring (7) by an amount (h2) at least equal to said distance (h1).

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