Flexible pouch and method of forming a flexible pouch
US7722254B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 30, 2003 |
| Grant date | May 25, 2010 |
| Priority date | — |
| Expiry date | Jun 22, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/7128
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A flexible pouch for packaging a product, such as a carbonated beverage, is provided that includes a front panel and a back panel each having an upper edge, a lower edge opposite the upper edge, and side edges extending therebetween the upper and lower edges. The pouch includes a first closing seal extending along an upper edge of the joined front and back panel formed a predetermined length from the open edge so that there is no dead space inside the pouch between the product and the first closing seal and a second closing seal outside the first closing seal, to form a pocket trapping some of the product between the first closing seal and the second closing seal. A method of forming and filling the pouch includes the steps of forming each panel and joining two panels by scaling together the side edges and lower edge. The method also includes the steps of opening the pouch and filling the pouch with the product. The method further includes the steps of closing the filled pouch by forming a first closing seal extending along an upper edge of the pouch a predetermined length from the upper edge, such that there is no dead space inside the pouch between the product and the first closi…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.