Low-pressure casting bottom mold for aluminum alloy hub
US10058913B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 31, 2017 |
| Grant date | Aug 28, 2018 |
| Priority date | — |
| Expiry date | May 31, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22D18/04
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A low-pressure casting bottom mold for an aluminum alloy hub is provided. The low-pressure casting bottom mold for the aluminum alloy hub is composed of an upper surface facing a cavity and a lower surface facing a die casting platform, wherein the bottom mold lower surface facing the die casting platform comprises an iron sheet cover, the iron sheet cover is fixed at a position, corresponding to a wheel spoke, of the bottom mold lower surface, and a sealed space is formed between the iron sheet cover and the bottom mold lower surface in a surrounding manner; the iron sheet cover comprises air inlets at one side close to a wheel center and air outlets at one side close to a rim; and the air inlets are connected with air tubes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.