JPH0314446U - - Google Patents
Info
- Publication number
- JPH0314446U JPH0314446U JP7305889U JP7305889U JPH0314446U JP H0314446 U JPH0314446 U JP H0314446U JP 7305889 U JP7305889 U JP 7305889U JP 7305889 U JP7305889 U JP 7305889U JP H0314446 U JPH0314446 U JP H0314446U
- Authority
- JP
- Japan
- Prior art keywords
- lid
- support rod
- steel pipe
- blind
- hole
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 210000000078 claw Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Examining Or Testing Airtightness (AREA)
Description
第１図は本考案の第１の実施例の側断面図、第
２図は同分解図、第３図は本考案の第２の実施例
の側断面図、第４図は第３の実施例の側断面図、
第５図及び第６図は更に他の実施例の側断面図、
第７図は従来技術の作用説明図である。
１……小ねじ、２……爪ストツパー、３……爪
、４……支持棒、５……押し上げブツシユ、６…
…スプリング、７……盲蓋、８……Ｏリング、９
……ナツト、１０……鋼管、１１……溶接用開先
、１２……鋼管内部、１３……間隔、１４……溝
。
Fig. 1 is a side sectional view of the first embodiment of the invention, Fig. 2 is an exploded view of the same, Fig. 3 is a side sectional view of the second embodiment of the invention, and Fig. 4 is a third embodiment. Example side sectional view,
5 and 6 are side sectional views of still other embodiments,
FIG. 7 is an explanatory diagram of the operation of the prior art. 1... Machine screw, 2... Claw stopper, 3... Claw, 4... Support rod, 5... Push-up button, 6...
...Spring, 7...Blind cover, 8...O-ring, 9
... Nut, 10 ... Steel pipe, 11 ... Welding groove, 12 ... Inside of steel pipe, 13 ... Interval, 14 ... Groove.
Claims (1)
固定・締付けるリーク試験用蓋締付具に於て、該
蓋締付具が、先端部外径をテーパー状に構成され
該テーパー部に溝を穿設し後端部にネジを刻設し
た支持棒と、該支持棒に嵌着され前記溝に沿つて
摺動する爪と、前記支持棒に嵌合し、その１端を
前記爪に当接し他端をスプリングを介し又は直接
に盲蓋に当接可能に構成した押し上げブツシユと
、前記支持棒の後端に刻設したネジ部に螺合し、
鋼管又は穴の端部に接する面をする盲蓋とより組
合せ構成されたことを特徴とするリーク試験用蓋
締付具。 In a leak test lid fastener that is inserted into the end of a steel pipe or a hole, etc., and fixes and tightens a blind lid from the inside, the lid fastener has a tapered outer diameter at the tip, and the tapered part a support rod having a groove bored therein and a screw carved in its rear end; a pawl fitted into the support rod and sliding along the groove; a push-up bushing that abuts the pawl and has the other end capable of abutting against the blind lid via a spring or directly, and is screwed into a threaded portion carved in the rear end of the support rod;
A leak test lid fastener characterized by being constructed in combination with a blind lid whose surface is in contact with the end of a steel pipe or hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7305889U JPH0314446U (en) | 1989-06-23 | 1989-06-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7305889U JPH0314446U (en) | 1989-06-23 | 1989-06-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0314446U true JPH0314446U (en) | 1991-02-14 |
Family
ID=31611553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7305889U Pending JPH0314446U (en) | 1989-06-23 | 1989-06-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0314446U (en) |
-
1989
- 1989-06-23 JP JP7305889U patent/JPH0314446U/ja active Pending