Spiral conveyor oven
US5010808A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 28, 1990 |
| Grant date | Apr 30, 1991 |
| Priority date | — |
| Expiry date | Sep 28, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65G2207/24
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A bakery oven is disclosed which includes an oven enclosure having opposed end and side portions, with conveyor inlet and outlet openings formed therein. An endless center drive chain conveyor is provided which includes a first section located outside of the enclosure with portions thereof passing through the inlet and outlet openings. The conveyor includes a second main portion located within the enclosure which follows a generally spiral path of travel including a first sequential set of spiral flights having a generally continuously increasing elevation rising in the enclosure to a predetermined elevation, a second set of spiral flights having a generally continuously decreasing elevation in the enclosure, with the flights of said second set being located between the flights of the first set. A straight conveyor section connects the first and second flights at the uppermost elevations of the first and second sets of flights and crosses from one side of the enclosure to the other, whereby the position of pans on the conveyor relative to the sides of the conveyor are reversed during travel in the riser and declining sections of the conveyor. The drive for the conveyor is located o…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.