JPH02112794U - - Google Patents
Info
- Publication number
- JPH02112794U JPH02112794U JP2154689U JP2154689U JPH02112794U JP H02112794 U JPH02112794 U JP H02112794U JP 2154689 U JP2154689 U JP 2154689U JP 2154689 U JP2154689 U JP 2154689U JP H02112794 U JPH02112794 U JP H02112794U
- Authority
- JP
- Japan
- Prior art keywords
- opened
- lower case
- valve body
- powder
- injection 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
- 239000000843 powder Substances 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims 3
- 239000007924 injection Substances 0.000 claims 3
- 239000012530 fluid Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
図面はこの考案の一実施例を示し、第１図は断
面図、第２図ａ，ｂは作用説明図である。
１ａ……下部ケース、２……搬送装置、２ａ…
…ケーシング、３……弁座、３ａ……テーパ面、
３ｂ……エア噴出口、４……弁体、１０……粉末
。
The drawings show an embodiment of this invention, with FIG. 1 being a sectional view and FIGS. 2a and 2b being explanatory diagrams. 1a...Lower case, 2...Transport device, 2a...
...Casing, 3...Valve seat, 3a...Tapered surface,
3b...Air spout, 4...Valve body, 10...Powder.
Claims (1)
ーシング２ａに、開閉自在な弁体４を有する下部
ケース１ａを設け、この下部ケース１ａ内に流体
内に注入すべき粉末１０を収容すると共に、上記
弁体４の開放とともにエア圧により下部ケース１
ａ内の粉末１０をケーシング２ａ内へ注入するこ
とを特徴とする粉末注入装置。 (2) 上記弁体４が当接する弁座３のテーパ面３
ａに弁体４の開放とともに開放されるエア噴出口
３ｂを設けて、このエア噴出口３ｂより吐出され
るエアと下部ケース１ａ内の圧力により流体内の
水分が下部ケース１ａ内へ逆流するのを阻止して
なる請求項１記載の粉末注入装置。[Claims for Utility Model Registration] (1) A lower case 1a having a valve body 4 that can be opened and closed is provided in the casing 2a of the conveying device 2 that pumps fluid under pressure, and a lower case 1a having a valve body 4 that can be opened and closed is provided in the lower case 1a. While containing the powder 10 to be injected, the lower case 1 is opened by air pressure when the valve body 4 is opened.
A powder injection device characterized in that powder 10 in a is injected into a casing 2a. (2) Tapered surface 3 of the valve seat 3 that the valve body 4 contacts
An air outlet 3b that is opened when the valve body 4 is opened is provided at the air outlet 3b to prevent moisture in the fluid from flowing back into the lower case 1a due to the air discharged from the air outlet 3b and the pressure inside the lower case 1a. The powder injection device according to claim 1, wherein the powder injection device prevents.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2154689U JPH02112794U (en) | 1989-02-28 | 1989-02-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2154689U JPH02112794U (en) | 1989-02-28 | 1989-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02112794U true JPH02112794U (en) | 1990-09-10 |
Family
ID=31238882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2154689U Pending JPH02112794U (en) | 1989-02-28 | 1989-02-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02112794U (en) |
-
1989
- 1989-02-28 JP JP2154689U patent/JPH02112794U/ja active Pending
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