Railcar coupler core with vertical parting line and method of manufacture
US9868452B2 · kind B2 · utility
1Cited by
19References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 23, 2016 |
| Grant date | Jan 16, 2018 |
| Priority date | — |
| Expiry date | Aug 23, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61G3/28
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method of casting a core includes the steps of preparing a first half of a corebox, preparing a second half of a corebox such that the parting line of a core formed from the first and second coreboxes runs along the vertical axis of the core.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.