JPH0355457U - - Google Patents
Info
- Publication number
- JPH0355457U JPH0355457U JP11639489U JP11639489U JPH0355457U JP H0355457 U JPH0355457 U JP H0355457U JP 11639489 U JP11639489 U JP 11639489U JP 11639489 U JP11639489 U JP 11639489U JP H0355457 U JPH0355457 U JP H0355457U
- Authority
- JP
- Japan
- Prior art keywords
- tip
- check valve
- cross
- rubber
- cut line
- 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
- 230000001154 acute effect Effects 0.000 claims 1
- 239000011440 grout Substances 0.000 claims 1
Landscapes
- Check Valves (AREA)
Description
第１図は逆止弁の断面図であり、第２図は同平
面図を示す。第３図はＰＣウエルの断面図を示し
、第４図および第５図は作用を示す実施例図をそ
れぞれ示す。
１…十字状の切り込み線、２…先端部、Ａ…ゴ
ム製逆止弁。
FIG. 1 is a sectional view of the check valve, and FIG. 2 is a plan view thereof. FIG. 3 shows a cross-sectional view of the PC well, and FIGS. 4 and 5 show examples of the operation. 1...Cross-shaped cut line, 2...Tip, A...Rubber check valve.
Claims (1)
した中空円錐体の該先端部２に十字状切り込み線
１を設けたことを特徴としたＰＣグラウト注入口
用逆止弁Ａの構造。 The structure of a check valve A for a PC grout inlet is made entirely of rubber, and is characterized in that a cross-shaped cut line 1 is provided at the tip 2 of a hollow conical body whose tip 2 is formed into an acute angle shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11639489U JPH0355457U (en) | 1989-10-03 | 1989-10-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11639489U JPH0355457U (en) | 1989-10-03 | 1989-10-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0355457U true JPH0355457U (en) | 1991-05-28 |
Family
ID=31664672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11639489U Pending JPH0355457U (en) | 1989-10-03 | 1989-10-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0355457U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4726490U (en) * | 1971-04-16 | 1972-11-25 |
-
1989
- 1989-10-03 JP JP11639489U patent/JPH0355457U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4726490U (en) * | 1971-04-16 | 1972-11-25 |