ダクト施工方法

Japanese Patent JP7376371

B2

To provide a duct construction method that can shorten the construction period of a building.SOLUTION: There is provided a method for constructing a vertical duct for building equipment in building construction work, including a step of lifting a duct unit 10 consisting of ducts 12 for at least one floor and having a connecting member 14 provided around the duct 12 and also serving as a flooring material receiving material to the installation floor during the construction of the steel frame of the building, a step of connecting the lifted duct unit 10 to a beam member 1 on the installation floor via the connecting member 14, a step of installing a flooring material 28 around the duct unit 10 via the connecting member 14 after that, and a step of connecting the lower end of the duct unit 10 on the upper floor and the upper end of the duct unit 10 on the lower floor with a connection duct 32.SELECTED DRAWING: Figure 1

Junyoshi Nemoto
Hayato Kamata
Katsunori Abe
Takehiko Hamautsu
Nobuyuki Murono
Masaya Sato
Takuto Akada
Hiroto Abe

JP2020007258A

November 08, 2023

January 21, 2020

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Shimizu Construction Co., Ltd.
Takasago Thermal Engineering Co., Ltd.

E04F17/08; E04B1/94; F24F7/10; F24F13/02

JP6299688A
JP7062392B2
JP9125670A
JP6040392Y2
JP6136851A
JP7062874A
JP2009030434A

US5035097

Sakai International Patent Office

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