Method for gas filling of a handle portion of a container
US8567160B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 19, 2012 |
| Grant date | Oct 29, 2013 |
| Priority date | — |
| Expiry date | Apr 19, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB31B70/872
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A method for gas filling a handle portion of a container of a collapsible type. The handle portion being defined by two opposite side walls of the container and communicating, via a duct defined by the side walls, with an opening formed in one of the side walls. The method including the steps of supplying, at a gas filling station, a gas to the handle portion via the opening and the duct, blocking the duct by squeezing action to retain the gas supplied to the handle portion, transporting the container to a sealing station while maintaining the squeezing action and, at the sealing station, sealing the duct while maintaining the squeezing action, so as to permanently enclose the gas in the handle portion. The disclosure further concerns a container of a collapsible type.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.