Packaging apparatus
US3990214A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 19, 1976 |
| Grant date | Nov 9, 1976 |
| Priority date | — |
| Expiry date | Apr 19, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B31/024
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Packaging apparatus for placing reduced pressure on an open top flexible walled receptacle previously loaded at a higher ambient pressure and subsequently sealing the same, comprising a walled chamber having means therein for sealing the top of the receptacle, the chamber having a wall movable between an open position and a closed one, and having conveyor means disposed both interiorly and exteriorly of such wall, both conveyor means being selectively aligned with other conveyor means for transport of both sealed and unsealed receptacles. A preferred form of the apparatus comprehends a battery of such walled chambers where sealing of the receptacles takes place in tandem fashion, all the while movement taking place along conveyor means exterior of the walled chambers, as desired.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.