JPH03127676U - - Google Patents
Info
- Publication number
- JPH03127676U JPH03127676U JP3732790U JP3732790U JPH03127676U JP H03127676 U JPH03127676 U JP H03127676U JP 3732790 U JP3732790 U JP 3732790U JP 3732790 U JP3732790 U JP 3732790U JP H03127676 U JPH03127676 U JP H03127676U
- Authority
- JP
- Japan
- Prior art keywords
- sound
- duct
- iron plate
- absorbing duct
- backfilled
- 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.)
- Granted
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000011358 absorbing material Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Cage And Drive Apparatuses For Elevators (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990037327U JPH085190Y2 (ja) | 1990-04-09 | 1990-04-09 | エレベータ機械室の吸音ダクト装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990037327U JPH085190Y2 (ja) | 1990-04-09 | 1990-04-09 | エレベータ機械室の吸音ダクト装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03127676U true JPH03127676U (en]) | 1991-12-24 |
| JPH085190Y2 JPH085190Y2 (ja) | 1996-02-14 |
Family
ID=31544335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990037327U Expired - Fee Related JPH085190Y2 (ja) | 1990-04-09 | 1990-04-09 | エレベータ機械室の吸音ダクト装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH085190Y2 (en]) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57116679U (en]) * | 1981-01-10 | 1982-07-20 |
-
1990
- 1990-04-09 JP JP1990037327U patent/JPH085190Y2/ja not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57116679U (en]) * | 1981-01-10 | 1982-07-20 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH085190Y2 (ja) | 1996-02-14 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |