Patent · US Expired

Opening device for a bag made from flexible material and packaging compressible products

US5427245A · kind A · utility

17Cited by
6References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 30, 1993
Grant dateJun 27, 1995
Priority date
Expiry dateNov 30, 2013

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65D85/07
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

The bag (1) for packaging compressible products arranged vertically in the form of at least one horizontal pile, substantially parallelepipedal in shape, comprising two front walls (5, 6), two side walls (3, 4), one bottom wall (7) and one top wall (8), is provided with an opening device consisting of a line of weakness forming a discontinuous contour, comprising two first vertical precut lines (13) made in each of the front walls (5, 6) and being extended by two second precut lines (15) made essentially in the part forming the base (10) of the attached handle (9), and a third precut line (14) made in the top wall (8).

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