| 发明名称 |
Apparatus and Method for Producing Waterproof Structural Corrugated Paperboard |
| 摘要 |
Two paper webs saturated with an A-phase phenolic resins and dried to a B-phase are conveyed through separate low melting point metal alloy baths, one web after being corrugated, to convert the resin to a fully cured C-phase, whereafter the webs are joined to form a waterproof single face corrugated web.
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| 申请公布号 |
US2011162793(A1) |
申请公布日期 |
2011.07.07 |
| 申请号 |
US201113047218 |
申请日期 |
2011.03.14 |
| 申请人 |
HLADILEK MICHAEL B;MARSCHKE CARL R |
发明人 |
HLADILEK MICHAEL B.;MARSCHKE CARL R. |
| 分类号 |
B31D1/00;B28B5/02;B29C71/00;B32B37/02;B32B37/06;B32B37/10;B32B37/12;B32B37/14;B32B38/00;B32B38/16 |
主分类号 |
B31D1/00 |
| 代理机构 |
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代理人 |
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