JPH027267Y2 - - Google Patents
Info
- Publication number
- JPH027267Y2 JPH027267Y2 JP18894985U JP18894985U JPH027267Y2 JP H027267 Y2 JPH027267 Y2 JP H027267Y2 JP 18894985 U JP18894985 U JP 18894985U JP 18894985 U JP18894985 U JP 18894985U JP H027267 Y2 JPH027267 Y2 JP H027267Y2
- Authority
- JP
- Japan
- Prior art keywords
- piston
- seal member
- negative pressure
- vacuum pump
- spring
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 description 17
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Compressor (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18894985U JPH027267Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1985-12-06 | 1985-12-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18894985U JPH027267Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1985-12-06 | 1985-12-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6297284U JPS6297284U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-06-20 |
| JPH027267Y2 true JPH027267Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-02-21 |
Family
ID=31140792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18894985U Expired JPH027267Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1985-12-06 | 1985-12-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH027267Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0341104Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1987-07-20 | 1991-08-29 | ||
| JP5381891B2 (ja) * | 2010-05-11 | 2014-01-08 | マックス株式会社 | ロッキングピストンのシール構造 |
| JP5733994B2 (ja) | 2011-01-20 | 2015-06-10 | アルバック機工株式会社 | ピストン |
| JP5637267B2 (ja) * | 2013-07-22 | 2014-12-10 | マックス株式会社 | ロッキングピストンのシール構造 |
-
1985
- 1985-12-06 JP JP18894985U patent/JPH027267Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6297284U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-06-20 |