Flexible package with sealed edges and easy to open mouth

  • US 6,213,645 B1
  • Filed: 03/14/2000
  • Issued: 04/10/2001
  • Est. Priority Date: 03/14/2000
  • Status: Expired due to Term
First Claim
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1. A package having a longitudinal axis comprising a flexible sheet material capable of being sealed for closing off the interior of the package from the ambient atmosphere, said package having four side walls and a bottom formed by said sheet material, said four side walls having an open upper end portion terminating in a free edge, each of said walls including an inner surface and an outer surface, and a permanent seal area and an open area on said inner surface, said four side walls including a first side wall, a second side wall adjacent and sealed to said first side wall along a first permanent seal, a third side wall adjacent to and sealed to said second side wall by a second permanent seal and opposed to said first side wall, and a fourth side wall opposed to said second side wall and adjacent to and sealed to said first side wall by a third permanent seal and said third side wall by a fourth permanent seal, said inner surface of said four side walls having a releasably securable adhesive in a pattern adjacent said upper end portion on said open areas of said walls extending to, but not coinciding with said permanent seal areas, said permanent seal areas being permanently sealed with substantially no releasably securable adhesive thereon, said package being in a sealed condition by means of said releasably securable adhesive when said upper end portion of said first wall is secured to said upper end portion of said second wall and said upper end portion of said upper end portion of said fourth wall, said upper end portion of said third wall is secured to said upper end portion of said second wall and said upper end portion of said fourth wall, and a portion of said upper end portion of said second wall is secured to a portion of said upper end portion of said third wall.

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