Tool-integrated valve for rough and/or fine vacuum
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United States of America Patent
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Issued Date -
Mar 10, 2016
app pub date -
Apr 17, 2014
filing date -
Apr 24, 2013
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Abstract
The present invention relates to a packaging machine (1) having:—a filling station (7), in which packaging depressions (6) are filled with a material to be packaged (16),—a sealing station (15) at least having an upper tool (12) and a lower tool (11) which seal an upper film web (14) to the packaging depression (6), wherein the sealing station (15) has at least one valve which connects the lower tool (11) and/or upper tool (12) reversibly to a rough and/or fine vacuum source. Furthermore, the present invention relates to a sealing tool.
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