JPS6417073U - - Google Patents
Info
- Publication number
- JPS6417073U JPS6417073U JP11132287U JP11132287U JPS6417073U JP S6417073 U JPS6417073 U JP S6417073U JP 11132287 U JP11132287 U JP 11132287U JP 11132287 U JP11132287 U JP 11132287U JP S6417073 U JPS6417073 U JP S6417073U
- Authority
- JP
- Japan
- Prior art keywords
- slit
- tongue
- check valve
- thin plate
- inside air
- 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
- 238000009423 ventilation Methods 0.000 claims description 3
- 229920000297 Rayon Polymers 0.000 claims 1
- 239000002964 rayon Substances 0.000 claims 1
Landscapes
- Check Valves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11132287U JPS6417073U (en18) | 1987-07-22 | 1987-07-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11132287U JPS6417073U (en18) | 1987-07-22 | 1987-07-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6417073U true JPS6417073U (en18) | 1989-01-27 |
Family
ID=31349260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11132287U Pending JPS6417073U (en18) | 1987-07-22 | 1987-07-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6417073U (en18) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019004093A1 (ja) * | 2017-06-30 | 2019-01-03 | ピジョン株式会社 | 逆流防止弁 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6159417B2 (en18) * | 1976-12-28 | 1986-12-16 | Neresu Oy |
-
1987
- 1987-07-22 JP JP11132287U patent/JPS6417073U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6159417B2 (en18) * | 1976-12-28 | 1986-12-16 | Neresu Oy |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019004093A1 (ja) * | 2017-06-30 | 2019-01-03 | ピジョン株式会社 | 逆流防止弁 |
| US11168800B2 (en) | 2017-06-30 | 2021-11-09 | Pigeon Corporation | Check-valve |