Invention Application
WO2009015113A3 METHOD TO ACCURATELY CONTROL SIZE, VELOCITY, AND RELATIVE POSITION SETS OF RECLOSABLE MECHANISM 审中-公开
准确控制可接受机制的大小,速度和相对位置集的方法

METHOD TO ACCURATELY CONTROL SIZE, VELOCITY, AND RELATIVE POSITION SETS OF RECLOSABLE MECHANISM
Abstract:
The apparatus includes an extrusion die (12) and further includes a main or primary extruder (14) for the supply of material, such as low density polyethylene, to form the tubing (100) for the manufacture of reclosable packages, bags or pouches. The apparatus further includes at least one secondary extruder (30, 34), or co-extruder, for the extruding of each reclosable profile onto the tubing. The speed of the co-extruders is controlled so as to control the extrusion of the reclosable profiles.
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