| 发明名称 |
WICKELKERN FUER BAHNMATERIAL |
| 摘要 |
<p>Cylindrical cores for use in reeling up sheet materials, (particularly thermoplastics films) are provided with a resiliently compressable outer surface region composed of layers of a resiliently compressable foamed synthetic material. The synthetic material is preferably a crystalline polyolefine, especially a blend of low and high density polyethylene.</p> |
| 申请公布号 |
DE2617425(A1) |
申请公布日期 |
1976.11.11 |
| 申请号 |
DE19762617425 |
申请日期 |
1976.04.21 |
| 申请人 |
IMPERIAL CHEMICAL INDUSTRIES LTD. |
发明人 |
CONRAD SPROAT,ALAN |
| 分类号 |
B65H75/08;B65H75/10;B65H75/18;B65H75/50;(IPC1-7):65H75/02 |
主分类号 |
B65H75/08 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
