发明名称 |
DRIP TAPE MANUFACTURING PROCESS |
摘要 |
A method of forming tubular irrigation drip tape includes the steps ofa) extruding a web of material having a pair of longitudinally extending, substantially parallel marginal edges;b) heating a center area of the web between and substantially parallel to the marginal edges utilizing a first focused infrared heating device;c) applying one or more secondary flow path components to the center area;d) heating the marginal edges, utilizing a second and third focused infrared heating device;e) folding the web such that the marginal edges overlap to form a seam; andf) applying pressure to the seam. |
申请公布号 |
EP1286815(A4) |
申请公布日期 |
2005.02.16 |
申请号 |
EP20010969035 |
申请日期 |
2001.04.04 |
申请人 |
NELSON IRRIGATION CORPORATION |
发明人 |
HARROLD, CHARLES, R.;BREN, THEODORE, J. |
分类号 |
B29C35/08;B29C47/06;B29C53/50;B29C65/00;B29C65/02;B29C65/14;B29C65/48;B29C65/50;B29C65/74 |
主分类号 |
B29C35/08 |
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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