Method for advancing and sealing preformed containers
US5682729A · kind A · utility
35Cited by
17References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 6, 1995 |
| Grant date | Nov 4, 1997 |
| Priority date | — |
| Expiry date | Jun 6, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B41/14
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An indexing motion apparatus and method for advancing and vacuum sealing a plurality of connected, preformed trays. The connected, preformed trays are supplied by an indexing conveyor belt assembly which delivers the preformed trays to an advancement mechanism indexingly driven by a programmable servo motor. After the preformed trays are loaded and evacuated, a flexible web of packaging material is disposed in overlying relation to the preformed trays and sealed thereto. A cutting mechanism severs the sealed, preformed trays longitudinally and transversely.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.