发明名称 |
INNRETNING FOR FREMSTILLING AV ET ROER. |
摘要 |
Apparatus for forming a tube, preferably of flexible thermally insulating material, comprises a cutting head 14 with a pair of concentric cutting edge 16, 18 which cooperates with a presser head 28 to cut rings 50 of material from a sheet 48 presented to the cutting head. The rings are stacked up on a guide bar 32 and sprayed with a coating composition to consolidate them into a tube which may be collected on a take-up drum in a continuous manner. |
申请公布号 |
NO792925(A) |
申请公布日期 |
1980.03.14 |
申请号 |
NO19790002925 |
申请日期 |
1979.09.10 |
申请人 |
PH THERMAL PRODUCTS LTD, |
发明人 |
LUPTON, DONALD BRIAN,;LAWRENCE, KENNETH, |
分类号 |
B29D23/00;B26F1/38;B29C65/00;D04D9/04;F16L59/02;F16L59/14;F16L59/153;(IPC1-7):04B/ |
主分类号 |
B29D23/00 |
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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