Manhole cover production starts with casting molten iron into molds, forming the core of these durable, heavy-duty covers.

This process we stated consisted in obviating ... Shoenberger, at Pittsburgh, in thejfol-lowing manner: On the casting-floor of the smelting furnace, a cast-iron turn-table, about eighteen feet ...

Explore the detailed process of producing large cast iron pieces in a long-established foundry in Osaka. With years of expertise, skilled craftsmen use advanced techniques to mold and refine the iron, ...

To the process of manufacture I gave my first and most serious attention ... The result, he claimed, was iron that was decarbonized and refined, and equal to the cast iron produced by traditional ...

Any extraneous pieces are cut off. Suzuki, 59, who has worked in the Oigen cast iron foundry for 40 years, then follows the same process to make a mold for a smaller piece of cookware, such as a lid.