Apparatus for transverse cutting of a continuously moving web and a method therefore
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United States of America Patent
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Mar 7, 2017
Grant Date -
Dec 19, 2013
app pub date -
Dec 6, 2011
filing date -
Dec 20, 2010
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Abstract
An apparatus for transverse cutting of a web has a frame straddling the web path, a side frame on each side of the web path and an upper frame between the two side frames, a circular saw blade suspended in a pendulum arm pivotably connected to the upper frame, a swinging drive for controlling the swinging movement of the saw blade, wherein the pendulum arm is pivotably mounted in a vertically movable sub-frame of the upper frame, and the vertical movement of the sub-frame relative to the upper frame is managed by a lifting drive that is coordinated with the swinging drive. Also disclosed is a method for transverse cutting a web.
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