发明授权
US4175148A Product containing high density skins on a low density core and method
of manufacturing same
失效
在低密度核心上含有高密度皮肤的产品及其制造方法
- 专利标题： Product containing high density skins on a low density core and method of manufacturing same
- 专利标题（中）： 在低密度核心上含有高密度皮肤的产品及其制造方法
-
申请号： US881184申请日： 1978-02-27
-
公开(公告)号： US4175148A公开(公告)日： 1979-11-20
- 发明人: Allan J. Luck , John T. Clarke , Michael R. Hoffman
- 申请人： Allan J. Luck , John T. Clarke , Michael R. Hoffman
- 申请人地址： IL Chicago
- 专利权人： Masonite Corporation
- 当前专利权人： Masonite Corporation
- 当前专利权人地址： IL Chicago
- 主分类号： B27N7/00
- IPC分类号： B27N7/00 ; C08L97/02 ; B32B5/14 ; B29J5/04
摘要：
A fiberboard is manufactured having relatively high density skins on a relatively low density core by including a skin forming chemical in at least the surface fibers of a consolidated mat, having a density of less than 35 pounds per cubic foot, and then hot-pressing the consolidated mat at a temperature of at least 525.degree. F. to form a board having high density surface skins.
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