发明名称 |
PIPING SYSTEM WITH HEAT INSULATION, METHOD OF LAYING PIPES AND DEVICES FOR CONNECTING PIPES |
摘要 |
FIELD: underground heating systems. SUBSTANCE: system has inner guide pipe with heat insulation and outer pipe. Inner pipe is hermetic. It is made from aluminium and has inner and outer coats made from plastic layers. Joint of pipe is galvanically insulated. It includes flexible sealing rings. Pipe with heat insulation is coiled and is delivered to area of mounting. It is forced to receiving well from mounting well through ground. Material of inner pipe possesses relaxation properties in heating and cooling. EFFECT: enhanced reliability of pipe lines. 11 cl, 6 dwgc
|
申请公布号 |
RU2120579(C1) |
申请公布日期 |
1998.10.20 |
申请号 |
RU19950118402 |
申请日期 |
1994.02.25 |
申请人 |
ABB DISTRIKT KHITING TEKNOLODZHI A/S |
发明人 |
KHANS NERGOR PEDERSEN;PETER SHAKHT;KHANS MEL'BJU JESPERSEN |
分类号 |
F16L33/207;F16L58/10;F16L59/14;(IPC1-7):F16L58/10 |
主分类号 |
F16L33/207 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|