发明名称 |
Herstellung von Faserzement ohne Asbestfasern |
摘要 |
<p>The invention relates to the production of manufactured articles in fibrocement without asbestos fibres. Said articles forseeing the need of a small amount of mechanically pre-treated cellulose fibres, the addition of cement, a flocculator, acidulate agents contrasting the tensions from expansion and reinforcement fibres in polyvinyl-alcohol and/or acrylic. The thermal conditioning of the manufactured articles carried out in a chamber with consecutive areas of different temeperatures is forseen after said articles have been formed.</p> |
申请公布号 |
DE69129220(D1) |
申请公布日期 |
1998.05.14 |
申请号 |
DE1991629220 |
申请日期 |
1991.07.11 |
申请人 |
SOCIETA ITALIANA LASTRE S.P.A., VEROLANUOVA, BRESCIA, IT |
发明人 |
TEPPA, FRANCO, I-25028 VEROLANUOVA (BRESCIA), IT |
分类号 |
C04B28/04;(IPC1-7):C04B28/04 |
主分类号 |
C04B28/04 |
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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