Closing
This term in the foundry means the operation of placing all the parts composing the entire mould in their respective places. A green-sand mould is frequently spoken of as "closed" immediately the cope or top part has been placed thereon.
Twelve hundred entries from the golden age of cast metal — how bells are founded, why brass is not bronze, what a cupola melts and a core withstands — by Simpson Bolland, the trade's great teacher.
This term in the foundry means the operation of placing all the parts composing the entire mould in their respective places. A green-sand mould is frequently spoken of as "closed" immediately the cope or top part has been placed thereon.