Drenching apparatus
US5850783A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 31, 1996 |
| Grant date | Dec 22, 1998 |
| Priority date | — |
| Expiry date | May 31, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA23B7/158
- WIPO fieldFood chemistry
- WIPO sectorChemistry
Abstract
An improved drench apparatus for drenching fruit and vegetables with an aqueous chemical solution having a pit for holding a large volume of said solution, drench pump for drawing solution from the pit and discharging it into manifolds equipped with nozzles for drenching the fruit, a recovery system for returning excess solution to the pit; comprising a holding tank for holding a volume of said solution; a heater, including a heater pump, connected to said holding tank and arranged to maintain the temperature of the solution therein; a re-circulation pump connected to draw solution from said pit and direct it to said heater with a conduit connecting said holding tank to said pit. The volume of said holding tank being sufficient to assure portions of the solution are maintained at said temperature for a time to eradicate pathogens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.