Device for cutting packing bag, device for producing packing bag and method for producing packing bag
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United States of America Patent
Stats
-
Jan 8, 2013
Grant Date -
Aug 19, 2010
app pub date -
Oct 10, 2008
filing date -
Oct 12, 2007
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cutter includes a male blade, a female blade, an advancement and retraction controller and a suction device. The male blade includes: a linear cutting portion linearly shaped with a predetermined thickness in a center part; a rounded cutting portion where a radius having a substantially arc shape in planar view is continuously formed from the linear cutting portion; and an end provided adjacent to the rounded cutting portion. The female blade has a fitting portion that is a hole conforming to the profile of the male blade in planar view and to which the male blade is fitted. On a lateral side of the female blade, an elongated hole for inserting a base film from one lateral side to the other lateral side is formed as an insertion portion.
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