Patent · US Expired

Bag stack and method of making same

US6575300B2 · kind B2 · utility

8Cited by
9References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 13, 2001
Grant dateJun 10, 2003
Priority date
Expiry dateJun 13, 2021

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB31B70/984
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A stack of plastic foil bags has a flap projecting beyond a filling opening on one broad side of the each bag which has a corner region delimited by perforations and formed in the corner region with at least one interlocking point for joining the bags in the stack and a stack-incorporation means separate from the interlocking point and enabling assembly of the bags into the stack.

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