Undercut treating device of die casting mold
US5615728A · kind A · utility
3Cited by
0References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 29, 1994 |
| Grant date | Apr 1, 1997 |
| Priority date | — |
| Expiry date | Nov 29, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22D17/24
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A sliding core is slidably mounted around the movable die and forms an undercut portion. A first channel communicates with the undercut portion and a second channel communicates with the first channel. A first device for forming the undercut is movably disposed in the first channel. A second device is movably disposed in the second channel for displacing the first device into the undercut portion to form the undercut when a molten metal is poured into the mold.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.