Patent ID: 6224528
Filing Date: 2001-05-01
Classification: B29C,B65D,Y10S

Abstract:
A method for constructing a pouch arrangement having first and second opposed panel sections, said method including:(a) providing first and second continuous webs of panel section material;(b) orienting the first and second webs with respect to one another to form a continuous feed of pouch blank with front and back faces and first and second opposite side edges; and(c) heat sealing the continuous feed of pouch blank by:(i) forming first and second side seals defining a bag construction interior between first and second panel sections; said first and second side seals each having an inner edge portion adjacent to the bag construction interior;(A) the first side seal inner edge portion having a first section of at least nine inwardly directed projections alternating with a plurality of outwardly directed recesses;(1) the first side seal inner edge portion first section extending a distance of at least 30% of a length of a side edge of the first panel section;(2) each of the first section inwardly directed projections having a height of at least 0.5 mm;(3) each of the first section inwardly directed projections having a length of at least 12 mm;(B) the second side seal inner edge portion having a second section of at least nine inwardly directed projections alternating with a plurality of outwardly directed recesses;(1) the second side seal inner edge portion second section extending a distance of at least 30% of a length of a side edge of the second panel section;(2) each of the second section inwardly directed projections having a height of at least 0.5 mm;(3) each of the second section inwardly directed projections having a length of at least 12 mm;(d) forming a base gusset member oriented in extension between the first and second panel sections; and(e) separating the pouch blank into individual ones of the pouch arrangements by cutting along the first and second side seals.