JPH0375794B2 - - Google Patents
Info
- Publication number
- JPH0375794B2 JPH0375794B2 JP22714582A JP22714582A JPH0375794B2 JP H0375794 B2 JPH0375794 B2 JP H0375794B2 JP 22714582 A JP22714582 A JP 22714582A JP 22714582 A JP22714582 A JP 22714582A JP H0375794 B2 JPH0375794 B2 JP H0375794B2
- Authority
- JP
- Japan
- Prior art keywords
- inner tube
- inorganic material
- recess
- coating layer
- pipe
- 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
- 229910010272 inorganic material Inorganic materials 0.000 claims description 22
- 239000011147 inorganic material Substances 0.000 claims description 22
- 239000011247 coating layer Substances 0.000 claims description 20
- 239000002131 composite material Substances 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 description 8
- 230000009970 fire resistant effect Effects 0.000 description 7
- 230000002093 peripheral effect Effects 0.000 description 6
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229920003002 synthetic resin Polymers 0.000 description 4
- 239000000057 synthetic resin Substances 0.000 description 4
- 230000002265 prevention Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000011398 Portland cement Substances 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
Landscapes
- Branch Pipes, Bends, And The Like (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Laminated Bodies (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22714582A JPS59121280A (ja) | 1982-12-27 | 1982-12-27 | 複合継手管の製造法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22714582A JPS59121280A (ja) | 1982-12-27 | 1982-12-27 | 複合継手管の製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59121280A JPS59121280A (ja) | 1984-07-13 |
| JPH0375794B2 true JPH0375794B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-12-03 |
Family
ID=16856189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22714582A Granted JPS59121280A (ja) | 1982-12-27 | 1982-12-27 | 複合継手管の製造法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59121280A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4941054B2 (ja) | 2007-03-30 | 2012-05-30 | 住友金属工業株式会社 | 継目無ベンド管の製造方法並びに溶接継手及びその製造方法 |
-
1982
- 1982-12-27 JP JP22714582A patent/JPS59121280A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59121280A (ja) | 1984-07-13 |