US Patent:
20040139697, Jul 22, 2004
Inventors:
Balakrishna Reddy - Ridgefield CT, US
Bradley Buchanan - Ross CA, US
M. Willey - Brookfield CT, US
Annette Nikolis - Sandy Hook CT, US
C. Ong - Glendale CA, US
Gene Clyde - New Milford CT, US
J. Gutierrez - Kent CT, US
International Classification:
B65B061/18
Abstract:
The invention relates to a method for sealing a peripheral attachment member onto a sealed pouch that has been previously filled with a product. The invention also relates to a pouch that includes a peripheral attachment member sealingly attached to at least one of its faces. The method includes a step of providing a multi-layer pouch that is configured so as to provide an inner sealant adapted to form a closed enclosure along sealing lines and an outer sealant that forms at least one external face of the pouch wherein the outer sealant has a melting point that is lower than the melting point of the inner sealant.