| 摘要 |
A mould (1) for use in the casting of molten ferrous metal is described comprising a mould cavity and a runner system comprising a sprue (2), a sprue well (3) and a runner (4), and having located in the runner (4) a ceramic filter (6) having an open-cell foam structure. A sealed plastics container (7) containing particles of a treatment agent, such as an inoculant for the molten ferrous metal is located in a chamber (8) in the runner system on that side of the filter (6) which is further from the mould cavity such that part of the container (7) is in the sprue well (3). |
