JPH0389299U - - Google Patents
Info
- Publication number
- JPH0389299U JPH0389299U JP15230589U JP15230589U JPH0389299U JP H0389299 U JPH0389299 U JP H0389299U JP 15230589 U JP15230589 U JP 15230589U JP 15230589 U JP15230589 U JP 15230589U JP H0389299 U JPH0389299 U JP H0389299U
- Authority
- JP
- Japan
- Prior art keywords
- main body
- circumferential surface
- insulating material
- sound absorption
- fireproof coating
- 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
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Pipe Accessories (AREA)
- Thermal Insulation (AREA)
Description
第１図は本考案のダクトの使用状態の概念図、
第２図は同上ダクトの一部縦断面正面図。 １……住宅、２……ダクト、３……本体、３ａ
……断熱材、３ｂ……耐火被覆、４……吸音孔、
Ａ……通気路。
第２図は同上ダクトの一部縦断面正面図。 １……住宅、２……ダクト、３……本体、３ａ
……断熱材、３ｂ……耐火被覆、４……吸音孔、
Ａ……通気路。
Claims (1)
- 断熱材の外周面を耐火被覆で被覆し内部に通気
路を形成した本体と、該本体の内周面に設けられ
た多数の吸音孔とからなるダクト。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15230589U JPH0389299U (ja) | 1989-12-28 | 1989-12-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15230589U JPH0389299U (ja) | 1989-12-28 | 1989-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0389299U true JPH0389299U (ja) | 1991-09-11 |
Family
ID=31698575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15230589U Pending JPH0389299U (ja) | 1989-12-28 | 1989-12-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0389299U (ja) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6267390A (ja) * | 1985-09-20 | 1987-03-27 | ナイガイ株式会社 | 消音器 |
-
1989
- 1989-12-28 JP JP15230589U patent/JPH0389299U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6267390A (ja) * | 1985-09-20 | 1987-03-27 | ナイガイ株式会社 | 消音器 |