TEAR LINE FORMING MECHANISM FOR POP-UP TISSUE PAPER PACKAGE FILM
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United States of America Patent
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Issued Date -
Jul 31, 2014
app pub date -
Apr 19, 2013
filing date -
Jan 31, 2013
priority date (Note) -
Published
status (Latency Note)
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Abstract
A tear line forming mechanism for pop-up tissue paper package film includes a carrier rack, a driving device, a rail mechanism, a shifting mechanism, a pair of couplers, and a rotary cutter holder. The rotary cutter holder is rotatably coupled to the couplers through bearing elements of the couplers and set between the couplers. At least one cutter slot is formed in the rotary cutter holder to receive and hold therein a cutter. A cutter holder gear is coupled to an end of the rotary cutter holder and mates a rack. When the rotary cutter holder is moved in unison with the couplers, the cutter holder gear is caused by being in mating engagement with the rack to rotate in order to proceed with forming tear lines that delimit a package film opening in a pop-up tissue paper package film positioned on an anvil.
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