Vacuum sealing methods and apparatus
US5873217A · kind A · utility
Inventor
Key dates
| Filing date | May 9, 1997 |
| Grant date | Feb 23, 1999 |
| Priority date | — |
| Expiry date | May 9, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B31/06
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Described and/or claimed herein is a method for vacuum sealing articles in a substantially air-tight container comprising the steps of: 1) placing the article in the container; 2) turning on a vacuum source having an elongated nozzle end; 3) inserting the nozzle into the container; 4) sealing the container as completely as possible around the nozzle; 5) waiting for air to be withdrawn from the container through the nozzle; 6) removing the nozzle from the container; and 7) completely sealing the container with the article therein. Described and/or claimed herein is a nozzle adaptor for vacuum sealing an article in a substantially air-tight container using a household vacuum cleaner, comprising a vacuum hose engaging end and an elongated nozzle end terminating in a small nozzle orifice, said hose engaging end substantially sealedly engaging a free end of a vacuum hose, whereby said nozzle adaptor is substantially secured onto said vacuum hose when said vacuum cleaner is turned on and air is drawn through said nozzle orifice and into said vacuum hose. Described and/or claimed herein is a hand-held vacuum source for vacuum sealing an article in a substantially air-tight container havin…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.