JPS53120059A - Negative-pressure activated device - Google Patents
Negative-pressure activated deviceInfo
- Publication number
- JPS53120059A JPS53120059A JP3448277A JP3448277A JPS53120059A JP S53120059 A JPS53120059 A JP S53120059A JP 3448277 A JP3448277 A JP 3448277A JP 3448277 A JP3448277 A JP 3448277A JP S53120059 A JPS53120059 A JP S53120059A
- Authority
- JP
- Japan
- Prior art keywords
- negative
- pressure activated
- activated device
- diaphragm
- rib
- 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
Abstract
PURPOSE: In a negative-pressure activated device, to protect diaphragm from damage by means of a ring rib coaxial with an operating lever on the center thereof and by caulking diaphragm with the rib.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3448277A JPS53120059A (en) | 1977-03-30 | 1977-03-30 | Negative-pressure activated device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3448277A JPS53120059A (en) | 1977-03-30 | 1977-03-30 | Negative-pressure activated device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS53120059A true JPS53120059A (en) | 1978-10-20 |
Family
ID=12415459
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3448277A Pending JPS53120059A (en) | 1977-03-30 | 1977-03-30 | Negative-pressure activated device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53120059A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63167178U (en) * | 1987-04-16 | 1988-10-31 |
-
1977
- 1977-03-30 JP JP3448277A patent/JPS53120059A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63167178U (en) * | 1987-04-16 | 1988-10-31 | ||
JPH0532543Y2 (en) * | 1987-04-16 | 1993-08-19 |
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