JPH02143724U - - Google Patents
Info
- Publication number
- JPH02143724U JPH02143724U JP5359689U JP5359689U JPH02143724U JP H02143724 U JPH02143724 U JP H02143724U JP 5359689 U JP5359689 U JP 5359689U JP 5359689 U JP5359689 U JP 5359689U JP H02143724 U JPH02143724 U JP H02143724U
- Authority
- JP
- Japan
- Prior art keywords
- opening
- periphery
- screw holes
- cover
- threaded portion
- 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
Landscapes
- Switch Cases, Indication, And Locking (AREA)
Description
第１図ないし第４図は本考案による密閉容器の
放圧装置の１実施例を示し、第１図は切断正面図
、第２図は平面図、第３図は要部の切断正面図、
第４図は放圧動作時の切断正面図、第５図は従来
例の一部の切断正面図である。
１…密閉容器、２…ケース、３…カバー、７…
ねじ穴、９，９′…固定ボルト。
1 to 4 show one embodiment of the pressure relief device for a closed container according to the present invention, in which FIG. 1 is a cutaway front view, FIG. 2 is a plan view, and FIG. 3 is a cutaway front view of main parts.
FIG. 4 is a cutaway front view during pressure relief operation, and FIG. 5 is a cutaway front view of a part of the conventional example. 1...Airtight container, 2...Case, 3...Cover, 7...
Screw hole, 9, 9'...fixing bolt.
Claims (1)
閉塞するカバーと、前記開口部の周縁に形成され
た複数個のねじ穴と、前記カバーの周縁を通して
前記各ねじ穴にそれぞれ締着された複数本の固定
ボルトとを備え、かつ、前記開口部の周縁の一部
のみにおける前記固定ボルトのねじ部を他の固定
ボルトのねじ部より短かく形成した密閉容器の放
圧装置。 A case having an opening, a cover that airtightly closes the opening, a plurality of screw holes formed around the periphery of the opening, and a plurality of screw holes each fastened to each of the screw holes through the periphery of the cover. 1. A pressure relief device for a closed container, comprising: a fixed bolt; the threaded portion of the fixed bolt at only a part of the periphery of the opening is formed to be shorter than the threaded portion of the other fixed bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5359689U JPH02143724U (en) | 1989-05-10 | 1989-05-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5359689U JPH02143724U (en) | 1989-05-10 | 1989-05-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02143724U true JPH02143724U (en) | 1990-12-06 |
Family
ID=31574920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5359689U Pending JPH02143724U (en) | 1989-05-10 | 1989-05-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02143724U (en) |
-
1989
- 1989-05-10 JP JP5359689U patent/JPH02143724U/ja active Pending