JPH0430475Y2 - - Google Patents
Info
- Publication number
- JPH0430475Y2 JPH0430475Y2 JP1986118218U JP11821886U JPH0430475Y2 JP H0430475 Y2 JPH0430475 Y2 JP H0430475Y2 JP 1986118218 U JP1986118218 U JP 1986118218U JP 11821886 U JP11821886 U JP 11821886U JP H0430475 Y2 JPH0430475 Y2 JP H0430475Y2
- Authority
- JP
- Japan
- Prior art keywords
- spiral groove
- surface side
- pipe
- main pipe
- peripheral surface
- 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.)
- Expired
Links
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000004020 conductor Substances 0.000 claims description 3
- 238000005452 bending Methods 0.000 description 5
- 239000000446 fuel Substances 0.000 description 4
- 238000005485 electric heating Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986118218U JPH0430475Y2 (US07696358-20100413-C00002.png) | 1986-07-31 | 1986-07-31 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986118218U JPH0430475Y2 (US07696358-20100413-C00002.png) | 1986-07-31 | 1986-07-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6324479U JPS6324479U (US07696358-20100413-C00002.png) | 1988-02-18 |
JPH0430475Y2 true JPH0430475Y2 (US07696358-20100413-C00002.png) | 1992-07-22 |
Family
ID=31004466
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1986118218U Expired JPH0430475Y2 (US07696358-20100413-C00002.png) | 1986-07-31 | 1986-07-31 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0430475Y2 (US07696358-20100413-C00002.png) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5661012B2 (ja) * | 2011-09-22 | 2015-01-28 | 三菱電機株式会社 | 捩り管形熱交換器および捩り管形熱交換器の製造方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5318898U (US07696358-20100413-C00002.png) * | 1976-07-27 | 1978-02-17 |
-
1986
- 1986-07-31 JP JP1986118218U patent/JPH0430475Y2/ja not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5318898U (US07696358-20100413-C00002.png) * | 1976-07-27 | 1978-02-17 |
Also Published As
Publication number | Publication date |
---|---|
JPS6324479U (US07696358-20100413-C00002.png) | 1988-02-18 |