发明授权
- 专利标题: Gypsum plasterboard
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申请号: US16471444申请日: 2016-12-20
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公开(公告)号: US11104614B2公开(公告)日: 2021-08-31
- 发明人: Dominik Herfurth , Felix Friedel
- 申请人: Knauf Gips KG
- 申请人地址: DE Iphofen
- 专利权人: Knauf Gips KG
- 当前专利权人: Knauf Gips KG
- 当前专利权人地址: DE Iphofen
- 代理机构: The Webb Law Firm
- 国际申请: PCT/EP2016/002139 WO 20161220
- 国际公布: WO2018/113895 WO 20180628
- 主分类号: B32B7/022
- IPC分类号: B32B7/022 ; B32B7/08 ; B32B13/08 ; E04C2/04 ; C04B28/14 ; B32B7/12 ; C04B111/00
摘要:
The invention concerns a gypsum plasterboard (10) comprising at least an upper gypsum layer (16) having a first density, first hardness and first thickness and a lower gypsum layer (17) having a second density, a second hardness and a second thickness. The first density is lower than the second density and/or the first hardness is lower than the second hardness, and the first thickness is lower than the second thickness. The plasterboard according to the invention are heavy or dense plasterboards with an enhanced fixing ability.
公开/授权文献
- US20200255335A1 Gypsum Plasterboard 公开/授权日:2020-08-13
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