| 发明名称 |
METHOD AND APPARATUS FOR HELICAL CUTTING OF A FLEXIBLE TUBULAR SHEET OF POLYMERIC MATERIAL |
| 摘要 |
<p>Flexible tubular sheet material (10) of polymeric material is supplied to a first position (for instance between rollers 11) in a flat form and is helically cut by blade (18) to form a cut strip that is drawn away by a unit (20). The flat strip is drawn from the first position and is opened to a tubular form and is then drawn over a mandrel (14), where it is cut. Preferably it is inflated by air from a blower (13).</p> |
| 申请公布号 |
WO8912533(A1) |
申请公布日期 |
1989.12.28 |
| 申请号 |
WO1989GB00712 |
申请日期 |
1989.06.26 |
| 申请人 |
LAWRENCE, PETER, ROBIN, BROUGHTON;RASMUSSEN, OLE-BENDT |
发明人 |
RASMUSSEN, OLE-BENDT |
| 分类号 |
B26D3/16;B26D1/02;B29C37/00;B29C67/00;B29C69/00;B29D;B65H;D06H7/12;(IPC1-7):B26D3/16 |
主分类号 |
B26D3/16 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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