Apparatus for substituting inert gases
US5027588A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 21, 1988 |
| Grant date | Jul 2, 1991 |
| Priority date | — |
| Expiry date | Sep 21, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B31/041
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An inert gas substitution method comprising blowing an inert gas into a container in the state wherein an opening of a container is covered with an inert gas substitution apparatus (5, 20) having an inert gas blow opening (7, 30), thereby substituting the inert gas within the container, and after substitution, covering the opening of the container with a cover material film (15). An inert gas substitution apparatus (5) formed with an inert gas blow opening (7) and having a plate of which bottom surface is flat. An inert gas substitution apparatus (20) having a chamber (21) of which bottom surface is open, the chamber (21) covering an opening of a container to blow an inert gas into the container.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.