Method for sealing a pouring opening of a container and a container having a sealed pouring opening
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United States of America Patent
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N/A
Issued Date -
Nov 13, 2003
app pub date -
May 10, 2002
filing date -
May 10, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method for sealing a pouring opening of a container and a container with corresponding structure are described. A sealing element formed of a flat laminated material that covers the pouring opening is connected peripherally of said pouring opening, preferably by welding, to a rim portion of the container. Furthermore, the sealing element is connected e.g. by adhesion, to a lid covering the pouring opening of a closure capmounted on the container. The adherence force of the connection between the closure cap and the sealing element is greater than that between the sealing element and the rim portion of the container. In order to break the sealing element away from the rim portion of the container, the lid must be pivoted away. The arrangement consisting of a container and a closure cap is particularly suitable for storing powdery chemical substances, such as are used e.g. in photographic developing equipment. Opening the lid for the purposes of gaining access to the contents of the container may be effected mechanically.
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