发明名称 |
METHOD OF IN-SITU RENEWING THERMAL INSULATION OF STEAM PIPELINES AND PIPELINES WITH THERMAL INSULATION RENEWED THEREBY |
摘要 |
A reinsulated underground steam pipe within a conduit, with an annular area formed between the pipe (20) and the conduit (18), with a rigid plastic foam structure (60) disposed in the annular area. <IMAGE> |
申请公布号 |
PL184072(B1) |
申请公布日期 |
2002.08.30 |
申请号 |
PL19970320727 |
申请日期 |
1997.06.24 |
申请人 |
TRIGEN ENERGY CORP. |
发明人 |
MENTZER M.TIMOTHY;BERQUIST LEIF |
分类号 |
F16L59/00;A61M25/06;F16L1/028;F16L59/14 |
主分类号 |
F16L59/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|