JPH03112171U - - Google Patents
Info
- Publication number
- JPH03112171U JPH03112171U JP2121890U JP2121890U JPH03112171U JP H03112171 U JPH03112171 U JP H03112171U JP 2121890 U JP2121890 U JP 2121890U JP 2121890 U JP2121890 U JP 2121890U JP H03112171 U JPH03112171 U JP H03112171U
- Authority
- JP
- Japan
- Prior art keywords
- sealing material
- base material
- opening
- valve
- protective film
- 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
- 239000003566 sealing material Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 3
- 229920002943 EPDM rubber Polymers 0.000 claims 1
- 244000043261 Hevea brasiliensis Species 0.000 claims 1
- 239000004809 Teflon Substances 0.000 claims 1
- 229920006362 Teflon® Polymers 0.000 claims 1
- 229920001971 elastomer Polymers 0.000 claims 1
- 229920003052 natural elastomer Polymers 0.000 claims 1
- 229920001194 natural rubber Polymers 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
Landscapes
- Lift Valve (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2121890U JPH03112171U (cs) | 1990-03-02 | 1990-03-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2121890U JPH03112171U (cs) | 1990-03-02 | 1990-03-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03112171U true JPH03112171U (cs) | 1991-11-15 |
Family
ID=31524274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2121890U Pending JPH03112171U (cs) | 1990-03-02 | 1990-03-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03112171U (cs) |
-
1990
- 1990-03-02 JP JP2121890U patent/JPH03112171U/ja active Pending
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