Foundry sand feeding apparatus
US4685504A · kind A · utility
8Cited by
6References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 27, 1986 |
| Grant date | Aug 11, 1987 |
| Priority date | — |
| Expiry date | May 27, 2006 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22C15/10
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
According to the invention, a sand distribution structure is interposed between a sand supply hopper and a flask having an associated pattern. The sand distribution structure comprises juxtaposed, apertured plates, which are adjustable relative to each other to variably register the apertures in the separate plates. It is possible with variations in the dimensions and locations of the apertures in the plates to choose a desired flow rate and/or selectively disperse the sand over the pattern.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.