JPH0237937U - - Google Patents
Info
- Publication number
- JPH0237937U JPH0237937U JP11482188U JP11482188U JPH0237937U JP H0237937 U JPH0237937 U JP H0237937U JP 11482188 U JP11482188 U JP 11482188U JP 11482188 U JP11482188 U JP 11482188U JP H0237937 U JPH0237937 U JP H0237937U
- Authority
- JP
- Japan
- Prior art keywords
- valve seat
- valve
- dish
- cylindrical body
- pin
- 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.)
- Granted
Links
Description
第１図は本考案の一実施例の要部の正断面図、
第２図は同実施例中の皿形弁の拡大縦断面図、第
３図は従来例の正断面図である。 図中、Ａ…逆止弁ユニツト、Ｂ…アースオーガ
、１…筒状本体、２…中空軸、４…弁座、５…皿
形弁、８…引張り用のコイルばね。
第２図は同実施例中の皿形弁の拡大縦断面図、第
３図は従来例の正断面図である。 図中、Ａ…逆止弁ユニツト、Ｂ…アースオーガ
、１…筒状本体、２…中空軸、４…弁座、５…皿
形弁、８…引張り用のコイルばね。
Claims (1)
- 筒状本体の下端が弁座となり、同弁座上方部分
の筒状本体内に直径方向へ横断してピンが軸架さ
れ、同ピンと皿形弁の上部との間に引張りコイル
ばねが張設されて皿形弁が前記弁座に弾設した逆
止弁ユニツトを、アースオーガの中空軸の内側孔
下端に着脱可能に嵌着して成るアースオーガ。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988114821U JPH0649658Y2 (ja) | 1988-08-30 | 1988-08-30 | アースオーガ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988114821U JPH0649658Y2 (ja) | 1988-08-30 | 1988-08-30 | アースオーガ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0237937U true JPH0237937U (ja) | 1990-03-13 |
| JPH0649658Y2 JPH0649658Y2 (ja) | 1994-12-14 |
Family
ID=31355918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988114821U Expired - Lifetime JPH0649658Y2 (ja) | 1988-08-30 | 1988-08-30 | アースオーガ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0649658Y2 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4728194B2 (ja) * | 2006-09-08 | 2011-07-20 | 株式会社不動テトラ | 掘削ヘッド |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57190831A (en) * | 1981-05-19 | 1982-11-24 | Minoru Hara | Implanting device for pile-forming and curing liquid |
| JPS58131219A (ja) * | 1983-01-25 | 1983-08-05 | N I T:Kk | 高圧二重噴射による地盤改良装置 |
-
1988
- 1988-08-30 JP JP1988114821U patent/JPH0649658Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57190831A (en) * | 1981-05-19 | 1982-11-24 | Minoru Hara | Implanting device for pile-forming and curing liquid |
| JPS58131219A (ja) * | 1983-01-25 | 1983-08-05 | N I T:Kk | 高圧二重噴射による地盤改良装置 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4728194B2 (ja) * | 2006-09-08 | 2011-07-20 | 株式会社不動テトラ | 掘削ヘッド |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0649658Y2 (ja) | 1994-12-14 |