Method for producing thermoformed articles as well as a die for the production thereof
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United States of America Patent
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Apr 9, 2013
Grant Date -
Dec 9, 2010
app pub date -
Oct 23, 2008
filing date -
Oct 23, 2007
priority date (Note) -
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Abstract
The invention relates to a process for producing thermoformed articles such as food packagings or parts thereof with a mechanical weakening between adjoining functional areas, which, for utilization by a user, can be at least partly separated at the mechanical weakening, in a thermoforming die having an upper die and a lower die, the mechanical weakening being introduced with a three-dimensional extension during the period of time during which the material to be formed is located in the thermoforming die, and a thermoforming die for implementing the process.
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