Casting product with tubular flow passages, method of casting the same product, and cast-in pipe insert unit
US11241732B2 · kind B2 · utility
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Key dates
| Filing date | Nov 26, 2019 |
| Grant date | Feb 8, 2022 |
| Priority date | — |
| Expiry date | Dec 19, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22D19/0072
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method of casting a casting product having tubular flow passages includes: attaching a cast-in pipe insert, having outer and inner fixing members to which both ends of pipes are coupled, respectively, to a fixed mold; assembling a movable mold with the fixed mold; injecting a molten metal into a cavity defined inside the fixed and movable molds; ejecting a casting product from the assembled molds after injecting the molten metal; and removing the outer and inner fixing members from the casting product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.