JPH0316560B2 - - Google Patents
Info
- Publication number
- JPH0316560B2 JPH0316560B2 JP18416983A JP18416983A JPH0316560B2 JP H0316560 B2 JPH0316560 B2 JP H0316560B2 JP 18416983 A JP18416983 A JP 18416983A JP 18416983 A JP18416983 A JP 18416983A JP H0316560 B2 JPH0316560 B2 JP H0316560B2
- Authority
- JP
- Japan
- Prior art keywords
- check valve
- water
- spring
- valve
- primary side
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 62
- 238000007710 freezing Methods 0.000 claims description 4
- 230000008014 freezing Effects 0.000 claims description 2
- 230000007423 decrease Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000025508 response to water Effects 0.000 description 1
Landscapes
- Check Valves (AREA)
- Sink And Installation For Waste Water (AREA)
- Drying Of Solid Materials (AREA)
- Processing Of Solid Wastes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18416983A JPS6078199A (ja) | 1983-09-30 | 1983-09-30 | 凍結防止用水抜装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18416983A JPS6078199A (ja) | 1983-09-30 | 1983-09-30 | 凍結防止用水抜装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6078199A JPS6078199A (ja) | 1985-05-02 |
| JPH0316560B2 true JPH0316560B2 (fr) | 1991-03-05 |
Family
ID=16148567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18416983A Granted JPS6078199A (ja) | 1983-09-30 | 1983-09-30 | 凍結防止用水抜装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6078199A (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021157497A1 (fr) | 2020-02-07 | 2021-08-12 | エドワーズ株式会社 | Pompe à vide et élément de pompe à vide |
| WO2022097577A1 (fr) | 2020-11-04 | 2022-05-12 | エドワーズ株式会社 | Pompe à vide |
-
1983
- 1983-09-30 JP JP18416983A patent/JPS6078199A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021157497A1 (fr) | 2020-02-07 | 2021-08-12 | エドワーズ株式会社 | Pompe à vide et élément de pompe à vide |
| WO2022097577A1 (fr) | 2020-11-04 | 2022-05-12 | エドワーズ株式会社 | Pompe à vide |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6078199A (ja) | 1985-05-02 |
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