发明申请
- 专利标题: CEMENT-BASED FIRE DOOR CORE
- 专利标题(中): 基于水泥的火灾核心
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申请号: US11955468申请日: 2007-12-13
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公开(公告)号: US20090151603A1公开(公告)日: 2009-06-18
- 发明人: Hubert C. Francis
- 申请人: Hubert C. Francis
- 申请人地址: US GA Atlanta
- 专利权人: Georgia-Pacific Gypsum LLC
- 当前专利权人: Georgia-Pacific Gypsum LLC
- 当前专利权人地址: US GA Atlanta
- 主分类号: C04B7/02
- IPC分类号: C04B7/02
摘要:
The present invention describes an improved building material composition, useful for example as a fire door core. The building material of the present invention is prepared by compressing an aqueous mixture of expanded perlite and a fast setting, cementitious composition consisting essentially of a hydraulic cement, preferably Portland cement, and a pozzolan additive selected from the group consisting of metakaolin, VCAS and mixtures thereof, and preferably also includes an organic binder and a fibrous reinforcement.
公开/授权文献
- US08088217B2 Cement-based fire door core 公开/授权日:2012-01-03