Apparatus and method for return of empty aluminum cans
US4463844A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 23, 1981 |
| Grant date | Aug 7, 1984 |
| Priority date | — |
| Expiry date | Dec 23, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S100/902
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A method and apparatus for processing used empty aluminum and steel cans wherein groups of empty cans are carried upwardly on an inclined conveyor between spaced inclined ribs and separately sequentially discharged therefrom into an air duct wherein empty cans are blown to a crusher whereat the empty cans are sequentially crushed and fall onto a magnetic separator whereat crushed aluminum cans are separated from crushed steel cans and fall into a weigh hopper whereat the weight of crushed aluminum cans is determined whereupon compensation is dispensed for the value of the crushed aluminum cans. Thereafter, the crushed aluminum cans are sequentially dropped into an air duct and blown to a storage bin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.