Patent ID: 6745540
Filing Date: 2004-06-08
Classification: B29C,B31B

Abstract:
A spout sealing method comprising the steps of:holding spouts by means of a plurality of spout holding members tat are disposed on a circumference of a continuously rotating rotor of a spout insertion and temporary-sealing apparatus, fitting bags over said spouts while rotationally conveying said spouts, temporarily sealing sealing-portions of said bags and spouts by linear sealing or point sealing, continuously transferring said bags to which said spouts are attached and said temporary sealing has been applied from said spout insertion and temporary-sealing apparatus to a spout main-sealing apparatus, holding said spouts of said bags with attached spouts by means of a plurality of spout holding members disposed on a circumference of a continuously rotating rotor of said spout main-sealing apparatus, and performing a main sealing operation to said bags and spouts while rotationally conveying said bags with attached spouts.