Patent ID: 6182426
Filing Date: 2001-02-06
Classification: B29C,B29K,B29L,B31B,B65B,B65D

Abstract:
A vertical form, fill, seal machine for producing filled stand-up pouches, comprising:a vertical fill tube constructed to receive product from a product supply and to dispense a quantity of product from a lower portion of the fill tube;film supply apparatus constructed to provide a vertical film envelope surrounding the fill tube;a drive assembly including a pair of drive members disposed at opposite sides of the envelope and constructed to press respective sides of the envelope against the fill tube;a base-former assembly constructed to transform a portion of the envelope adjacent to a first longitudinal edge thereof into a series of stand-up bases for respective pouches;a top sealer assembly constructed to provide top seals along portions of a second longitudinal edge of the envelope opposite to corresponding bases;an end sealer assembly constructed to provide seals at opposite side edges of each pouch being formed, extending between each top seal and a corresponding base, and to entrap a quantity of product dispensed from the fill tube into each pouch being formed; anda cut-off assembly constructed to separate each product-containing pouch from the envelope.