JPS6435214U - - Google Patents
Info
- Publication number
- JPS6435214U JPS6435214U JP1987129950U JP12995087U JPS6435214U JP S6435214 U JPS6435214 U JP S6435214U JP 1987129950 U JP1987129950 U JP 1987129950U JP 12995087 U JP12995087 U JP 12995087U JP S6435214 U JPS6435214 U JP S6435214U
- Authority
- JP
- Japan
- Prior art keywords
- cap body
- stud bolt
- fixing means
- attached
- cap
- 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
- 238000007789 sealing Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Gasket Seals (AREA)
Description
第１図は本考案におけるスタツドボルト用キヤ
ツプの一実施例を示す正断面図、第２図は第１図
の―線矢視図、第３図は第１図の鎖線部分
の拡大図、第４図は第１図の鎖線部分の拡大図
で、ａは接触前及びｂは接触後の状態の説明図、
第５図は本考案におけるスタツドボルト用キヤツ
プの定着手段の他の実施例を示す要部の正断面図
、第６図は第５図の―線矢視図、第７図は第
６図例の定着手段における係合前の状態の説明図
、第８図は本考案におけるスタツドボルト用キヤ
ツプのシール部材の他の実施例を示す要部の正断
面図、第９図はスタツドボルト用キヤツプの従来
例を示す正断面図、第１０図は第９図の―線
矢視図、第１１図は第９図の鎖線部分の拡大
図である。
１……胴フランジ、１ａ……周溝、２……ねじ
孔、２ａ……縁部、３……スタツドボルト、３ａ
……ねじ部、３ｂ……把持用凹凸部、４……キヤ
ツプ（キヤツプ本体）、５……締結ボルト、６…
…中空部、７……リング状パツキン、８……めね
じ部、９……Ｏリング、１０……連結チエーン、
１１……定着手段（めねじ部）、１２……シール
部材、１３……ハンドル、１４……吊持金具。
Fig. 1 is a front sectional view showing one embodiment of the stud bolt cap of the present invention, Fig. 2 is a view taken along the line - - in Fig. 1, Fig. 3 is an enlarged view of the chain line portion in Fig. Figure 4 is an enlarged view of the chain line portion in Figure 1, where a is an explanatory diagram of the state before contact and b is an explanatory diagram of the state after contact.
FIG. 5 is a front sectional view of the main part showing another embodiment of the fixing means for the stud bolt cap in the present invention, FIG. FIG. 8 is a front sectional view of the main part showing another embodiment of the sealing member of the stud bolt cap according to the present invention, and FIG. 9 is a diagram showing the state before engagement in the fixing means. FIG. 10 is a front sectional view showing a conventional example, FIG. 10 is a view taken along the line shown in FIG. 9, and FIG. 11 is an enlarged view of the chain line portion in FIG. 1... Body flange, 1a... Peripheral groove, 2... Screw hole, 2a... Edge, 3... Stud bolt, 3a
... Threaded portion, 3b... Concave and convex portion for gripping, 4... Cap (cap body), 5... Fastening bolt, 6...
...Hollow part, 7...Ring-shaped packing, 8...Female thread part, 9...O ring, 10...Connection chain,
DESCRIPTION OF SYMBOLS 11...Fixing means (female thread part), 12...Sealing member, 13...Handle, 14...Hanging fitting.
Claims (1)
ドボルトに被せるキヤツプ本体と、該キヤツプ本
体の内周面に突出してスタツドボルトの表面の凹
凸部に圧接させることによつてキヤツプ本体をス
タツドボルトに取り付ける定着手段と、前記キヤ
ツプ本体の下縁部に一体に取り付けられるととも
に定着手段によるキヤツプ本体の取り付け時にキ
ヤツプ本体の下縁部とスタツドボルト用ねじ孔の
縁部との間を気密状態とするシール部材とを具備
してなることを特徴とするスタツドボルト用キヤ
ツプ。 A cap body is fitted over a stud bolt erected on a flange of a reactor pressure vessel, and the cap body is attached to the stud bolt by protruding from the inner circumferential surface of the cap body and coming into pressure contact with the irregularities on the surface of the stud bolt. a fixing means, and a sealing member which is integrally attached to the lower edge of the cap body and which creates an airtight state between the lower edge of the cap body and the edge of the screw hole for the stud bolt when the cap body is attached by the fixing means. A stud bolt cap characterized by comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987129950U JPS6435214U (en) | 1987-08-26 | 1987-08-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987129950U JPS6435214U (en) | 1987-08-26 | 1987-08-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6435214U true JPS6435214U (en) | 1989-03-03 |
Family
ID=31384683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987129950U Pending JPS6435214U (en) | 1987-08-26 | 1987-08-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6435214U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012117820A (en) * | 2010-11-29 | 2012-06-21 | Toshiba Corp | Stud bolt for fixing core support plate, and installing method of core support plate |
-
1987
- 1987-08-26 JP JP1987129950U patent/JPS6435214U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012117820A (en) * | 2010-11-29 | 2012-06-21 | Toshiba Corp | Stud bolt for fixing core support plate, and installing method of core support plate |