Patent · US Expired

Bag for bag-in-box and bag-in-box

US5788121A · kind A · utility

143Cited by
8References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 15, 1995
Grant dateAug 4, 1998
Priority date
Expiry dateNov 15, 2015

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S383/906
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

The bag for bag-in-box of this invention comprises: a bag body composed of flat portions and side portions each having a folding line along which the side portion is folded inward; oblique seal portions provided at respective corner portions of the bag body, the oblique seal portion being formed by obliquely cutting-off the respective corner portions; and a triangular fin portion integrally formed with the oblique seal portion; wherein the flat portion and the side portion are composed of several sheets of synthetic resin films that are superposed to each other. The dimensions of the bag shall be set within a predetermined range so as to meet the International Standard of a pallet. The opening portion to be formed on the outer box of the bag-in-box has a size enabling to sufficiently draw out a spout and the bag body portion around the spout to form a funnel-shape. According to the present invention, there can be provided an inner bag for a bag-in-box excellent in shock resistance, content discharging property and self-supporting property at a time when the inner bag is filled with the content.

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