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In the vacuum pugmill, air is removed from the clay, and the clay is extruded from a narrowing exit to be molded into shape.

factualpending

Speaker

Unidentified Speaker — 日本最古の煉瓦工場で赤レンガを製造するプロセス。明治時代から受け継がれるレンガ製造の技術と歴史 [UynSJKhFo3I]

Evidence Quote

“The clay is placed into a vacuum pugmill. Air is removed from the clay in the vacuum chamber. The clay is extruded from a narrowing exit and molded into shape.”

Source

日本最古の煉瓦工場で赤レンガを製造するプロセス。明治時代から受け継がれるレンガ製造の技術と歴史— 拘り -Kodawari-
Created: 8/13/2026, 9:48:34 AM

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