JPH0434470U - - Google Patents
Info
- Publication number
- JPH0434470U JPH0434470U JP7759790U JP7759790U JPH0434470U JP H0434470 U JPH0434470 U JP H0434470U JP 7759790 U JP7759790 U JP 7759790U JP 7759790 U JP7759790 U JP 7759790U JP H0434470 U JPH0434470 U JP H0434470U
- Authority
- JP
- Japan
- Prior art keywords
- ring
- annular groove
- sides
- teflon
- sealing device
- 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
- 239000004809 Teflon Substances 0.000 claims description 4
- 229920006362 Teflon® Polymers 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
Description
第１図は本考案の実施例を示すシール装置の断
面図、第２図はテフロンリングの外観形状を示す
図、第３図は従来例を示すシール装置の断面図で
ある。
１０……シリンダ、１１……ピストン、１２…
…環状凹溝、１３……Ｏリング、１４……テフロ
ンリング、１４Ａ，１４Ｂ……膨らみ部、１５…
…隙間。
FIG. 1 is a cross-sectional view of a sealing device showing an embodiment of the present invention, FIG. 2 is a view showing the external shape of a Teflon ring, and FIG. 3 is a cross-sectional view of a conventional sealing device. 10...Cylinder, 11...Piston, 12...
...Annular groove, 13...O ring, 14...Teflon ring, 14A, 14B...bulge, 15...
…gap.
Claims (1)
周に環状凹溝を形成し、この環状凹溝にＯリング
とテフロンリングを重合して収納し、このテフロ
ンリングの両側面に前記環状凹溝の両側内面に常
時当接する膨らみ部を円周上間隔を有して複数突
設してなるシール装置。 An annular groove is formed on the outer periphery of the piston that is slidably fitted into the housing, an O-ring and a Teflon ring are overlapped and housed in the annular groove, and a ring is formed on both sides of the annular groove on both sides of the Teflon ring. A sealing device comprising a plurality of protruding bulges spaced apart on the circumference and constantly in contact with the inner surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7759790U JPH0434470U (en) | 1990-07-20 | 1990-07-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7759790U JPH0434470U (en) | 1990-07-20 | 1990-07-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0434470U true JPH0434470U (en) | 1992-03-23 |
Family
ID=31620135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7759790U Pending JPH0434470U (en) | 1990-07-20 | 1990-07-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0434470U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010270841A (en) * | 2009-05-21 | 2010-12-02 | Nok Corp | Sealing device |
| WO2019188129A1 (en) * | 2018-03-27 | 2019-10-03 | Smc株式会社 | Air cylinder |
-
1990
- 1990-07-20 JP JP7759790U patent/JPH0434470U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010270841A (en) * | 2009-05-21 | 2010-12-02 | Nok Corp | Sealing device |
| WO2019188129A1 (en) * | 2018-03-27 | 2019-10-03 | Smc株式会社 | Air cylinder |
| TWI701390B (en) * | 2018-03-27 | 2020-08-11 | 日商Ｓｍｃ股份有限公司 | Air cylinder |