发明授权
- 专利标题： Cement moldings containing vegetable fiber and method for producing the same
- 专利标题（中）： 含植物纤维的水泥模制品及其制造方法
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申请号： US09622913申请日： 2000-09-06
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公开(公告)号： US06379457B1公开(公告)日： 2002-04-30
- 发明人: Masahiko Yamamoto , Hajime Karibe , Sachiko Sotokawa , Hiroshi Harada
- 申请人： Masahiko Yamamoto , Hajime Karibe , Sachiko Sotokawa , Hiroshi Harada
- 优先权： JP10-055525 19980306; JP11-029858 19990208
- 主分类号： C04B1824
- IPC分类号： C04B1824
摘要：
A vegetable fiber cement moulded body of the present invention includes a nitrate as an additive agent. A method of manufacturing the same includes the steps of mixing raw materials including at least a vegetable fiber material, cement and water, moulding the mixed material, and curing this molded body, wherein a nitrate is added at the time of the aforementioned raw material mixing step or the aforementioned molding step. The molded body is preferably heated at the time of the curing step. According to the present invention, a vegetable fiber cement molded body of high strength which is not easily affected by substances that inhibit cement hardening and a method of manufacturing the same efficiently and at low cost are provided.