Patent ID: 6233902
Filing Date: 2001-05-22
Classification: B65B

Abstract:
A packaging machine operating in combination with a weigher, said packaging machine comprising:film transporting means for transporting an elongated bag-making film in a longitudinal direction while bending said film into a tubular form;a longitudinal sealer for sealing edges of said tubularly formed film in said longitudinal direction;a transverse sealer for sealing said longitudinally sealed film in a transverse direction which is transverse to said longitudinal direction; anda control means for operating said longitudinal sealer for a specified seal time period when a ready signal is outputted from said control means to said weigher to request a discharge of articles and starting operations of said film transporting means and said transverse sealer only after a discharge-end signal indicative of the discharge of articles from said weigher is received from said weigher in response to said ready signal.