JPS639834Y2 - - Google Patents
Info
- Publication number
- JPS639834Y2 JPS639834Y2 JP16269179U JP16269179U JPS639834Y2 JP S639834 Y2 JPS639834 Y2 JP S639834Y2 JP 16269179 U JP16269179 U JP 16269179U JP 16269179 U JP16269179 U JP 16269179U JP S639834 Y2 JPS639834 Y2 JP S639834Y2
- Authority
- JP
- Japan
- Prior art keywords
- wall
- duct
- plastic
- joint
- duct body
- 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
- 239000004033 plastic Substances 0.000 claims description 22
- 229920003023 plastic Polymers 0.000 claims description 22
- 239000002184 metal Substances 0.000 claims description 5
- 238000009413 insulation Methods 0.000 description 11
- 238000009434 installation Methods 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
Landscapes
- Thermal Insulation (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16269179U JPS639834Y2 (zh) | 1979-11-26 | 1979-11-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16269179U JPS639834Y2 (zh) | 1979-11-26 | 1979-11-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5679786U JPS5679786U (zh) | 1981-06-27 |
| JPS639834Y2 true JPS639834Y2 (zh) | 1988-03-23 |
Family
ID=29673686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16269179U Expired JPS639834Y2 (zh) | 1979-11-26 | 1979-11-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS639834Y2 (zh) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58196490U (ja) * | 1982-06-25 | 1983-12-27 | キヨ−ラク株式会社 | プラスチツク製隔壁ダクト |
| JP5638798B2 (ja) * | 2009-12-25 | 2014-12-10 | キョーラク株式会社 | 二重筒 |
-
1979
- 1979-11-26 JP JP16269179U patent/JPS639834Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5679786U (zh) | 1981-06-27 |
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