| 发明名称 |
APPARATUS AND METHOD FOR LOW-DENSITY CELLULAR WOOD PLASTIC COMPOSITES |
| 摘要 |
A low-pressure CO<SUB>2 </SUB>tank or an air compressor with a refrigerated air dryer is attached either at or after the vent zone of a standard twin-screw extruder. During or after extrusion, the gas is dissolved in the wood-plastic melt. The CO<SUB>2 </SUB>expands which foams the wood-plastic material. |
| 申请公布号 |
CA2543712(A1) |
申请公布日期 |
2005.05.19 |
| 申请号 |
CA20042543712 |
申请日期 |
2004.10.27 |
| 申请人 |
STRANDEX CORPORATION |
发明人 |
LAVER, TERRY C.;KELLER, BRIAN;DOSTAL, DAVID F.;ENGLAND, ALFRED |
| 分类号 |
B29C44/34;B27N3/00;B27N3/28;B29C44/22;B29C47/00;B29C47/10;B29C47/34;B29C47/90 |
主分类号 |
B29C44/34 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
