Title:
ダクトラップおよびダクトの防火方法
Document Type and Number:
Japanese Patent JP2008531323
Kind Code:
A
Abstract:
An article for fire protecting a duct includes a first layer of a first material including a noncombustible fibrous material and a second layer of a second material including an intumescent material. The first layer is adjacent the second layer. The article is non-self-supporting and has an initial thickness of less than about three inches when in a first application condition, and an expanded thickness when in a second heated condition. The expanded thickness is greater than the initial thickness. At the expanded thickness, the article meets Section 5.5 of AC101 Acceptance Criteria for Grease Duct Enclosure Assemblies, as specified in April 2001 by the International Council of Building Officials (ICBO-ES).
Inventors:
George W. Frost
John T. Brady
Brandon El Coats
John T. Brady
Brandon El Coats
Application Number:
JP2007555109A
Publication Date:
August 14, 2008
Filing Date:
January 20, 2006
Export Citation:
Assignee:
3M INNOVATIVE PROPERTIES COMPANY
International Classes:
B32B5/02; A62C2/00; A62C3/00; B32B7/02; F24F13/02
Attorney, Agent or Firm:
Mitsuo Tanaka
Takuji Yamada
Muneo Yamamoto
Masaishi Nishishita
Yuko Goto
Takuji Yamada
Muneo Yamamoto
Masaishi Nishishita
Yuko Goto