JPH03120449U - - Google Patents
Info
- Publication number
- JPH03120449U JPH03120449U JP3074590U JP3074590U JPH03120449U JP H03120449 U JPH03120449 U JP H03120449U JP 3074590 U JP3074590 U JP 3074590U JP 3074590 U JP3074590 U JP 3074590U JP H03120449 U JPH03120449 U JP H03120449U
- Authority
- JP
- Japan
- Prior art keywords
- top plate
- valve
- hole
- backflow prevention
- close contact
- 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
- 230000002265 prevention Effects 0.000 claims description 5
- 239000000428 dust Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000000630 rising effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 1
Landscapes
- Bag Frames (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3074590U JP2501742Y2 (ja) | 1990-03-26 | 1990-03-26 | 注出用栓 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3074590U JP2501742Y2 (ja) | 1990-03-26 | 1990-03-26 | 注出用栓 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03120449U true JPH03120449U (fr) | 1991-12-11 |
| JP2501742Y2 JP2501742Y2 (ja) | 1996-06-19 |
Family
ID=31533452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3074590U Expired - Lifetime JP2501742Y2 (ja) | 1990-03-26 | 1990-03-26 | 注出用栓 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2501742Y2 (fr) |
-
1990
- 1990-03-26 JP JP3074590U patent/JP2501742Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2501742Y2 (ja) | 1996-06-19 |