Title:
AN IMPROVED PLASTIC COMPOSITE PIPE WITH A WIRE-MESH AS ITS SKELETON AND THE METHOD AND DEVICE OF MAKING THE SAME
Document Type and Number:
WIPO Patent Application WO/2000/004315
Kind Code:
A1
Abstract:
The invention relates to a plastic composite pipe with a wire-mesh as its skeleton, the method and device of making the same. The said method includes the following steps: winding two groups of wire respectively at left and right spiral angles and alternately one over the other to form a tubular wire-mesh; filling the two sides and the grid of tubular wire-mesh evenly with melted plastic, then cooling them.
Inventors:
HE YILIANG (CN)
Application Number:
PCT/CN1998/000124
Publication Date:
January 27, 2000
Filing Date:
July 13, 1998
Export Citation:
Assignee:
HE YILIANG (CN)
International Classes:
B29C48/09; B29C48/153; F16L9/128; (IPC1-7): F16L9/128; B65C47/02
Domestic Patent References:
| WO1994009963A1 | 1994-05-11 | |||
| WO1996026380A1 | 1996-08-29 | |||
| WO1997013091A1 | 1997-04-10 |
Attorney, Agent or Firm:
CHINA SINDA INTELLECTUAL PROPERTY LTD. (Suite 1300 China Garment Mansion No 99 Jianguo
Road Chaoyang District Beijing 0, CN)
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