发明名称 |
Formgenstande af betonmaterialer samt fremgangsmåde til fremstilling af disse |
摘要 |
<p>The invention relates to a process for the production of concrete building products having thicknesses in section of not greater than 15mm in which a cementitious composition comprising (i) aggregate, (ii) hydraulic cement, and (iii) water is shaped by a roller and slipper method to produce a shaped extrudate which is divided to form sections and the sections are cured to provide the building product; the composition additionally comprising reinforcing fibres in weight percent to the total weight of the composition of 0.25% to 4%, said fibres having lengths of 2.0 mm to 20 mm. This process provides impact resistant roofing products which are useful as roofing tiles, or a replacement for shingles, shakes and slates.</p> |
申请公布号 |
DK173374(B1) |
申请公布日期 |
2000.09.11 |
申请号 |
DK19890002822 |
申请日期 |
1989.06.09 |
申请人 |
REDLAND ROOF TILES LIMITED |
发明人 |
RIRSCH, ERIC;WINGFIELD, JEREMY |
分类号 |
B28B3/12;C04B28/02;E04D1/04;E04D1/16;(IPC1-7):C04B16/06;B28B3/20 |
主分类号 |
B28B3/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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