Fried - Fried

...The molten metal flows from the pouring pool to the sprue to the runner to the weir and into the cavity of the mold. The lift is installed on the opposite side of the weir to expel gas generated from the molten metal and the mold, and slag entrained in the molten metal. The riser is installed to replenish the molten metal as it solidifies and shrinks, to apply pressure to the molten metal in the mold to remove gas, and to prevent defects such as cavities and pinholes that occur during solidification and shrinkage in the casting. ...

*Some of the terminology that refers to "frying" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…溶湯は，湯だまり→湯口→湯道→堰（せき），と流れて鋳型の空洞に流れ込む。揚りは，溶湯や鋳型から発生したガスや溶湯中に巻き込んだスラグを吐き出させるためのもので，堰の反対側に設ける。押湯は，溶湯が凝固収縮するので，その補給をし，鋳型内の溶湯に圧力を加えてガスを除き，鋳物に凝固収縮の際に生ずる巣やピンホールなどの欠陥ができるのを防ぐために設けられる。…

※「揚り」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報