Invention Application
- Patent Title: DOUBLE-WALLED DUCT AND EXTRUDER THEREFOR
- Patent Title (中): 双层排水管及其挤出机
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Application No.: PCT/GB2013/052699Application Date: 2013-10-16
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Publication No.: WO2014060750A1Publication Date: 2014-04-24
- Inventor: HASKINS, Richard , TICHBORNE, Franklin , LEIGH, Timothy
- Applicant: AIRBUS OPERATIONS LIMITED
- Applicant Address: New Filton House Filton Bristol BS99 7AR GB
- Assignee: AIRBUS OPERATIONS LIMITED
- Current Assignee: AIRBUS OPERATIONS LIMITED
- Current Assignee Address: New Filton House Filton Bristol BS99 7AR GB
- Agency: GREGORY, John
- Priority: GB1218811.6 20121019
- Main IPC: F16L9/18
- IPC: F16L9/18 ; B29C47/00 ; B29C47/12
Abstract:
A duct (1) comprising a first conduit (2), a second conduit (3) disposed annularly around the first conduit (2), and a support structure (4) integrally formed with and connecting the first conduit (2) to the second conduit (3) and extending helically along the duct. Also, an extruder (10) for forming the duct (1).
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