| 摘要 |
In a molten metal sampling device having a porous filter connected by a conduit to a reservoir in such a manner that molten metal can be drawn, by vacuum, down into the filter and then to the reservoir, a removable seat for the filter, a stopper rod to prevent the flow of metal until the optimum moment, and an insulated, inert lining for the unsubmerged parts, which is permeable to generated gases, are provided. |
