| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To solve such a problem that object to be packaged is difficult to fill up when automatically packaging the object to be packaged into a blank packaging bag having tetrahedral shape. <P>SOLUTION: The packaging machine for tetra-packaging bag has sections such as a bag taking section to which a packaging bag 14 is delivered from a bag feeding device, a bag mouth opening section opening the closed bag mouth 15 of the packaging bag 14 from front and rear surfaces, a bag mouth diameter expansion section expanding a diameter of the opened bag mouth 15 by means of a spatula 18 and a product projection section in which the filling of the object to be packaged is performed from the bag mouth 15 of which the diameter is expanded, wherein a bag mouth opening mechanism 16 clamping both end parts of a closed edge 17 of the bag bottom of the packaging bag 14 and expanding the bag mouth 15 is disposed in the bag mouth opening section. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
