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Pouring part of a package and opening device therefore

  • US 5,850,930 A
  • Filed: 08/19/1996
  • Issued: 12/22/1998
  • Est. Priority Date: 12/20/1993
  • Status: Expired due to Fees
First Claim
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1. The combination of a pouring part with a device for opening the pouring part attached to a top wall of a package for flowable media and projecting in a raised manner from said top wall, wherein the pouring part comprises a collar (3) projecting in a raised manner from said top wall (1), and a sealing wall (6) attached to an outer end (4) of the collar by means of an inwardly directed, at least partly annular surface section (5), said opening device comprising a cap (13) extending over the pouring part (2) and removably fitted to said pouring part (2), said cap (13) is rotatable over at least 90°

  • in relation to the pouring part (2) and has an internal space (17) and at least two blades (23) projecting into said space (17), said blades (23) are insertable into sealing wall (6) upon rotation of the cap (13), wherein the cap (13) is rotatable within a plane without an axial displacement, the surface section (5) together with the collar (3) enclosing in cross section an angle of 5°

    -60°

    .

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