Patent · US Expired

Flexible package with sealed edges and easy to open mouth

US6539691B2 · kind B2 · utility

34Cited by
48References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 14, 2001
Grant dateApr 1, 2003
Priority date
Expiry dateJun 5, 2021

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65D2205/00
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A package fabricated from a flexible sheet material capable of being sealed for closing off the interior of the package from ambient atmosphere is disclosed. The package has two or more side walls and a like number of side seams. The package has an open upper end portion terminating in a free edge. The inner surface of the side walls has a releasably securable adhesive adjacent the upper end portion in a pattern wherein the adhesive does not extend into the area of the side seams, thus increasing the structural integrity of the package.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.