JPH0369797U - - Google Patents
Info
- Publication number
- JPH0369797U JPH0369797U JP13198189U JP13198189U JPH0369797U JP H0369797 U JPH0369797 U JP H0369797U JP 13198189 U JP13198189 U JP 13198189U JP 13198189 U JP13198189 U JP 13198189U JP H0369797 U JPH0369797 U JP H0369797U
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- vacuum
- vacuum insulated
- space
- filled
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000010954 inorganic particle Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Thermal Insulation (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Description
第１図はこの考案の実施例の断面図、第２図、
第３図は実施例の使用状態説明図、第４図は従来
例の断面図である。
Fig. 1 is a cross-sectional view of an embodiment of this invention; Fig. 2;
FIG. 3 is an explanatory diagram of the usage state of the embodiment, and FIG. 4 is a sectional view of the conventional example.
Claims (1)
閉空間とし内部を真空とすると共に多孔質無機粒
体を充填してなる真空断熱パイプにおいて、前記
外管と内管とに、該夫々の管の同一軸方向位置に
周方向に連続する突条を一または複数条形成して
なることを特徴とする真空断熱パイプ。 In a vacuum insulated pipe in which a space between an outer pipe and an inner pipe constituting a double pipe is made into a sealed space, the inside is made a vacuum, and the inside is filled with porous inorganic particles, the outer pipe and the inner pipe are provided with: A vacuum insulated pipe characterized in that each pipe has one or more circumferentially continuous protrusions formed at the same axial position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13198189U JPH0369797U (en) | 1989-11-13 | 1989-11-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13198189U JPH0369797U (en) | 1989-11-13 | 1989-11-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0369797U true JPH0369797U (en) | 1991-07-11 |
Family
ID=31679459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13198189U Pending JPH0369797U (en) | 1989-11-13 | 1989-11-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0369797U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011208665A (en) * | 2010-03-29 | 2011-10-20 | Ckd Corp | Vacuum double pipe, and connected structure of the same |
-
1989
- 1989-11-13 JP JP13198189U patent/JPH0369797U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011208665A (en) * | 2010-03-29 | 2011-10-20 | Ckd Corp | Vacuum double pipe, and connected structure of the same |