Method for forming easy separation section in packaging film packaging bag with easy separation section and filling packaging machine

摘要

The present invention provides a packing bag having a required strength as a packaging pouch, a method of simply forming an easy peeling portion on a packaging film, and a packaging pouch having an easy peeling portion formed by the method, and further, a filling and packaging machine using the method . In order to solve the above problems, the method for forming an easy peelable part in a packaging film of the present invention is characterized in that two or more packaging films are interposed between a horn for emitting ultrasonic waves and an anvil arranged opposite to the horn, Wherein the free vibration layer is provided on at least one of the horn side and the anvil side of the packaging film.