JPS63173594U - - Google Patents
Info
- Publication number
- JPS63173594U JPS63173594U JP6621387U JP6621387U JPS63173594U JP S63173594 U JPS63173594 U JP S63173594U JP 6621387 U JP6621387 U JP 6621387U JP 6621387 U JP6621387 U JP 6621387U JP S63173594 U JPS63173594 U JP S63173594U
- Authority
- JP
- Japan
- Prior art keywords
- circumferential surface
- tube
- heat insulating
- outer circumferential
- uneven stripes
- 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
- 239000011810 insulating material Substances 0.000 claims 1
- 239000012779 reinforcing material Substances 0.000 claims 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Landscapes
- Thermal Insulation (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6621387U JPS63173594U (de) | 1987-04-30 | 1987-04-30 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6621387U JPS63173594U (de) | 1987-04-30 | 1987-04-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63173594U true JPS63173594U (de) | 1988-11-10 |
Family
ID=30904013
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6621387U Pending JPS63173594U (de) | 1987-04-30 | 1987-04-30 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63173594U (de) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS471322U (de) * | 1971-01-06 | 1972-08-14 |
-
1987
- 1987-04-30 JP JP6621387U patent/JPS63173594U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS471322U (de) * | 1971-01-06 | 1972-08-14 |