Bearing housing molding apparatus and method
US8448691B1 · kind B1 · utility
0Cited by
4References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 16, 2009 |
| Grant date | May 28, 2013 |
| Priority date | — |
| Expiry date | May 15, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22D33/04
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
This invention teaches an improved apparatus and method to make metal alloy castings, such as subway car undercarriage bearing housings. One embodiment of the invention comprises a core mold assembly unit, wherein the mold unit is filled with molten metal. The core mold assembly units may be further formed of the same material, such as phenolic urethane impregnated sand, which is used to accurately replicate the desired shape of a final desired product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.