Packaging container opening formation device for a packing machine
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United States of America Patent
Stats
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Nov 26, 1991
Grant Date -
N/A
app pub date -
Nov 29, 1989
filing date -
Nov 30, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device for forming webs used for packaging containers with and without a pull-tab including, along the conveyance path of a web conveyed at a constant interval, a punch hole opening section for opening liquid-outlets, a strip tape pasting section which closes punch holes opened on a web with a wide strip tape or pastes narrow strip tape on a web having no punch holes, and a pull-tab pasting section having a pull-tab tape cutting and heating depositing member which cuts and heat-deposits a pull-tab on the web provided on the punch holes. Either a wide strip tape or a narrow strip tape is selectively supplied to the strip tape pasting section, and a pull-tab tape is supplied to the pull-tab pasting section. The punch hole opening section and the pull-tab pasting section can be inactivated. Thus, containers with and without a pull-tab can be manufactured by a single web forming device.
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