- 专利标题: Methods for producing fiber cement products with fiber cement waste
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申请号: US16337183申请日: 2017-10-05
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公开(公告)号: US11554987B2公开(公告)日: 2023-01-17
- 发明人: Luc Van Der Heyden
- 申请人: ETEX SERVICES NV
- 申请人地址: BE Kapelle-op-den-Bos
- 专利权人: ETEX SERVICES NV
- 当前专利权人: ETEX SERVICES NV
- 当前专利权人地址: BE Kapelle-op-den-Bos
- 代理机构: Dilworth & Barrese, LLP
- 优先权: EP16192659 20161006
- 国际申请: PCT/EP2017/075344 WO 20171005
- 国际公布: WO2018/065518 WO 20180412
- 主分类号: C04B18/16
- IPC分类号: C04B18/16 ; C04B28/04 ; B28B11/10 ; B28B11/24
摘要:
The present invention relates to methods for the production of fresh cured fiber cement products. More particularly, the present invention provides methods for the production of fresh fiber cement products comprising cured fiber cement waste material, at least comprising the steps of: (a) Providing a cured fiber cement waste powder by comminuting cured fiber cement waste material; (b) Providing an aqueous fiber cement slurry comprising water, cementitious binder, natural or synthetic fibers and said cured fiber cement waste powder; (c) Forming a green fiber cement sheet from said aqueous fiber cement slurry; and (d) Autoclave-curing said green fiber cement sheet thereby providing a fresh fiber cement product.