METHOD AND INNER FORMWORK FOR BUILDING RECTANGULAR CHIMNEY
PURPOSE:To build a rectangular chimney without the repeated assembly or overhaul operation of concrete forms in a concrete building with the chimney. CONSTITUTION:A inner formwork for building a rectangular chimney is composed of a frame 1A for the inner formwork, a foamed resin board 1B filled into...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PURPOSE:To build a rectangular chimney without the repeated assembly or overhaul operation of concrete forms in a concrete building with the chimney. CONSTITUTION:A inner formwork for building a rectangular chimney is composed of a frame 1A for the inner formwork, a foamed resin board 1B filled into the frame 1A for the inner formwork and a corrugated resin board 1C disposed in tension on the outer circumferential surface of the frame 1A for the inner formwork. The rectangular chimney is carried out while sliding the inner formwork for building the rectangular chimney. |
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