JPH083700Y2 - Anti-corrosion and anti-corrosion cap for bolts and nuts - Google Patents
Anti-corrosion and anti-corrosion cap for bolts and nutsInfo
- Publication number
- JPH083700Y2 JPH083700Y2 JP1990041340U JP4134090U JPH083700Y2 JP H083700 Y2 JPH083700 Y2 JP H083700Y2 JP 1990041340 U JP1990041340 U JP 1990041340U JP 4134090 U JP4134090 U JP 4134090U JP H083700 Y2 JPH083700 Y2 JP H083700Y2
- Authority
- JP
- Japan
- Prior art keywords
- cap body
- corrosion
- cap
- bolts
- nuts
- 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.)
- Expired - Lifetime
Links
Landscapes
- Prevention Of Electric Corrosion (AREA)
Description
【考案の詳細な説明】 （産業上の利用分野） 本考案は主として屋外鋼構造物例えば橋桁のボルト・
ナット締め、鉄板鉄骨のボルト・ナット締め、アンカー
部分のボルト・ナット締め、プラントその他の連結継手
部分のボルト・ナット締め部分に被覆して使用する防錆
を主目的とした合成樹脂製のボルト・ナット用防錆、防
食キャップに関するものである。DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention is mainly applied to outdoor steel structures such as bridge girder bolts.
Nut tightening, iron plate steel frame bolt / nut tightening, anchor part bolt / nut tightening, and bolts / nut tightening parts for plants and other joints that are used to cover the bolt / nut tightening part and are mainly made of synthetic resin. It relates to anti-corrosion and anti-corrosion caps for nuts.
（従来の技術） 従来に於けるこの種の技術として実公昭57−2728号公
報を挙げることが出来る。(Prior Art) As a conventional technique of this type, Japanese Utility Model Publication No. 57-2728 can be cited.
（考案が解決しようとする課題） 上記した従来技術にあっては、ボルト・ナット締めし
た部分に、単にキャップを螺着して被覆するだけであ
り、外部より一旦水や湿気が侵入するとそれが原因でボ
ルト・ナットに錆が発生し、腐食を防止することが出来
なかった。(Problems to be Solved by the Invention) In the above-described conventional technology, the portion where the bolts and nuts are tightened is simply screwed on and covered, and once water or moisture enters from the outside, As a result, rust occurred on the bolts and nuts, and corrosion could not be prevented.
（課題を解決するための手段） 而して、本考案では合成樹脂製のキャップ体の内側に
自動的に防食電流を発生させる特殊な金属合金薄板を接
着剤を用いて貼着するか、又は特殊な金属合金粉末を糊
料を用いて塗布してある。(Means for Solving the Problems) Then, in the present invention, a special metal alloy thin plate for automatically generating an anticorrosion current is attached to the inside of a synthetic resin cap body using an adhesive, or A special metal alloy powder is applied using a paste.
（作用） キャップ体を金属製のボルト・ナット組合せ体に被覆
した状態に於いて、万一水分が浸入した場合、キャップ
体の内側に設けた防食電流発生体と金属製のボルト・ナ
ット組合せ体と水溶液との間に微弱な防食電流が流れて
防食作用を発揮するものである。(Function) If the cap body is covered with a metal bolt / nut combination, and if water invades, the anticorrosion current generator and the metal bolt / nut combination provided inside the cap body A weak anticorrosive current flows between the aqueous solution and the aqueous solution to exert an anticorrosive action.
（実施例） 原理的説明（第１図） 本考案の原理は電気防食方法の流電陽極法に基くもの
であり、被防食金属体１に低電位金属２を陽極として接
続し、両者の電位差を利用して自動的に防食電流を発生
させるものである。(Embodiment) Principle of explanation (Fig. 1) The principle of the present invention is based on the galvanic anode method of the anticorrosion method, in which the low-potential metal 2 is connected to the metal body 1 to be protected as the anode, and the potential difference between the two. Is used to automatically generate an anticorrosion current.
実施例１（第２図乃至第５図） 10は塩化ビニール、ポリプロピレン等の可撓性材料で
構成した六角形状のボルト・ナット用のキャップ体で、
頭部11とスカート部12と鍔部13とから形成してある。Example 1 (FIGS. 2 to 5) 10 is a cap body for hexagonal bolts and nuts made of a flexible material such as vinyl chloride and polypropylene.
It is formed of a head portion 11, a skirt portion 12 and a collar portion 13.
14は前記キャップ体10に於ける頭部11の内側に形成し
た螺条部で、鉄鋼製のボルト・ナット組合せ体15に於け
るボルト16の螺条部17と食い付き螺着すべく成してあ
る。Reference numeral 14 is a threaded portion formed inside the head portion 11 of the cap body 10 and is formed so as to bitely engage with the threaded portion 17 of the bolt 16 of the steel bolt / nut combination body 15. There is.
18はナット、19はキャップ体10の開口部、20はキャッ
プ体10に於けるスカート部12の内側に接着剤21により環
状に配設した防食電流発生要素である防食電流発生体で
あるが、第４図に示す如く小片に分割して分割防食電流
発生体20Aを形成し、接着剤21を使用してスカート部12
の内側に適宜接着してもよい。又、第５図に示す如く割
り溝22を入れてＣリング状の防食電流発生体20Bとして
もよい。18 is a nut, 19 is an opening of the cap body 10, and 20 is an anticorrosion current generator which is an anticorrosion current generation element annularly arranged by an adhesive 21 inside the skirt portion 12 of the cap body 10. As shown in FIG. 4, the divided anticorrosion current generator 20A is divided into small pieces, and the skirt portion 12 is formed by using the adhesive 21.
It may be appropriately adhered to the inside of the. Further, as shown in FIG. 5, a split groove 22 may be provided to form a C ring-shaped anticorrosion current generator 20B.
この防食電流発生体（20,20A,20B）は低電位金属とし
て亜鉛系の金属合金、アルミニウム系の金属合金、マグ
ネシウム系の金属合金を使用している。亜鉛系流電陽極
を構成する亜鉛系の金属合金としては主に高純度亜鉛に
0.1〜0.5％のAlを添加し更に適量のCd、Siなどを添加し
てある。アリミニウム系流電陽極を構成するアルミニウ
ム系の金属合金としては主として、Al−Zn−In、Al−Zn
−Hg、Al−Zn−Sn等が使用されている。This anticorrosion current generator (20, 20A, 20B) uses a zinc-based metal alloy, an aluminum-based metal alloy, or a magnesium-based metal alloy as a low potential metal. High-purity zinc is mainly used as the zinc-based metal alloy that constitutes the zinc-based galvanic anode.
0.1 to 0.5% of Al is added, and further appropriate amounts of Cd, Si, etc. are added. Al-Zn-In, Al-Zn is mainly used as an aluminum-based metal alloy that constitutes an ariminium-based galvanic anode.
-Hg, Al-Zn-Sn, etc. are used.
マグネシウム系流電陽極を構成するマグネシウム系の
金属合金としては主としてFe、Ni、Cu等の不純物の極め
て少ない高純度マグネ及びMn、Zn、Al等を添加したもの
が使用されている。As the magnesium-based metal alloy constituting the magnesium-based galvanic anode, high-purity magnet containing extremely few impurities such as Fe, Ni, and Cu, and those to which Mn, Zn, Al, etc. are added are mainly used.
而して、これらの金属合金より成る防食電流発生体
（20,20A,20B）を接着剤21によりキャップ10に於けるス
カート部12の内側に貼り付けた後、該キャップ体10を矢
標Ａ方向より、開口部19を会して鉄鋼製のボルト・ナッ
ト組合せ体15に押し込んでキャップ体10の螺条部14とボ
ルト16の螺条部17とを食い付き螺着せしめる。Then, after the anticorrosion current generators (20, 20A, 20B) made of these metal alloys are attached to the inside of the skirt portion 12 of the cap 10 by the adhesive 21, the cap body 10 is marked with an arrow A. From the direction, the opening 19 is met and pushed into the bolt / nut combination body 15 made of steel to bite the threaded portion 14 of the cap body 10 and the threaded portion 17 of the bolt 16 and screw them together.
然る時、キャップ体10に於けるスカート部12の内側に設
けた防食電流発生体（20,20A,20B）はナット18の外周と
圧接することとなる。At that time, the anticorrosion current generators (20, 20A, 20B) provided inside the skirt portion 12 of the cap body 10 are pressed against the outer circumference of the nut 18.
この状態に於いて、雨水、湿気が浸入しナット18と防
食電流発生体（20,20A,20B）とが雨水等の水溶液により
短絡されると自動的に防食電流が鉄鋼製のボルト・ナッ
ト組合せ体15、防食電流発生体（20,20A,20B）、水溶
液、再び鉄鋼製のボルト・ナット組合せ体15へと循環し
て流れ、防食効果を発揮する。In this state, if rainwater and moisture infiltrate and the nut 18 and the anticorrosion current generator (20, 20A, 20B) are short-circuited by an aqueous solution such as rainwater, the anticorrosion current is automatically combined with steel bolts and nuts. It circulates and flows to the body 15, the anticorrosion current generators (20, 20A, 20B), the aqueous solution, and the bolt / nut combination body 15 made of steel again, and exhibits an anticorrosion effect.
尚、銅製のボルト・ナット組合せ体15の場合には金属
合金としては鉄系流電陽極が用いられる。In the case of the bolt / nut combination 15 made of copper, an iron-based galvanic anode is used as the metal alloy.
因に、イオン化傾向は、Mg＞Zn＞Fe＞Ｈ＋＞Cuであ
る。Incidentally, the ionization tendency is Mg>Zn>Fe> H +> Cu.
実施例２（第６図） 本実施例に於いて第一の実施例と同じ部分には同じ番
号を附してある。Embodiment 2 (FIG. 6) In this embodiment, the same parts as those in the first embodiment are designated by the same reference numerals.
本実施例の特徴は、粉末状乃至粒状防食電流発生体20
Cを採用し、キャップ体10の内側の全面又は一部の面に
接着剤等を利用して塗布、塗着した点にある。従って、
ボルト・ナット組合せ体15の何れかの部分で必ず接触す
るので、電流回路が作り易く水溶液の停溜場所にかかわ
らず防食電流を発生し易い。The feature of this embodiment is that a powdery or granular anticorrosion current generator 20 is used.
The point is that C is used, and the entire surface or a part of the inner surface of the cap body 10 is applied and applied using an adhesive or the like. Therefore,
Since it is always in contact with any part of the bolt / nut combination 15, a current circuit is easily formed, and an anticorrosion current is easily generated regardless of where the aqueous solution is stored.
（考案の効果） 而して、本考案は叙上の如き構成及び作用を有するの
で下記の如き特有の効果がある。(Effects of the Invention) Since the present invention has the above-described structure and operation, it has the following unique effects.
キャップ体10の内側に防食電流発生体（20,20A,20B,2
0C）を設けてあるので鉄鋼製のボルト・ナット組合せ体
と接触し、水分が介在した際に防食電流を発生し、防食
効果を発揮する。Inside the cap body 10, the anti-corrosion current generator (20,20A, 20B, 2
(0C) is provided, it comes in contact with a steel bolt / nut combination, and when water is present, a corrosion-preventing current is generated, and the corrosion-preventing effect is exerted.
第１図は本考案の原理図、第２図乃至第５図は本考案の
第一実施例を示し、第２図は本考案の要部の拡大縦断正
面図、第３図乃至第５図は防食電流発生体の各種の斜視
図である。 第６図は本考案の第二実施例の縦断正面図である。 10……キャップ体、11……頭部、12……スカート部、15
……ボルト・ナット組合せ体、20,20A,20B……防食電流
発生体、20C……粉末状乃至粒状防食電流発生体FIG. 1 is a principle view of the present invention, FIGS. 2 to 5 show a first embodiment of the present invention, and FIG. 2 is an enlarged vertical front view of an essential part of the present invention, and FIGS. FIG. 4 is various perspective views of the anticorrosion current generator. FIG. 6 is a vertical sectional front view of the second embodiment of the present invention. 10 …… Cap body, 11 …… Head, 12 …… Skirt, 15
...... Bolt / nut combination, 20,20A, 20B ...... Corrosion proof current generator, 20C ...... Powder or granular corrosion protection current generator
Claims (3)
と共に該キャップ体10を頭部11とスカート部12と鍔部13
とにより構成し該頭部11の内側に螺条部14を形成する一
方、前記キャップ体10の内側の一部又は全部に防食電流
発生要素を設けたボルト・ナット用防錆、防食キャップ1. A cap body 10 is formed of a flexible material, and the cap body 10 includes a head portion 11, a skirt portion 12 and a collar portion 13.
And a screw portion 14 is formed on the inside of the head portion 11 and a corrosion prevention current generating element is provided on part or all of the inside of the cap body 10 for rust prevention and corrosion prevention cap for bolts and nuts.
と共に該キャップ体10を頭部11とスカート部12と鍔部13
とにより構成し該頭部11の内側に螺条部14を形成する一
方、前記キャップ体10のスカート部12の内側に防食電流
発生体（20,20A,20B）を設けたボルト・ナット用防錆、
防食キャップ2. A cap body (10) is formed of a flexible material, and the cap body (10) is provided with a head portion (11), a skirt portion (12) and a collar portion (13).
And a threaded portion 14 is formed on the inside of the head portion 11 and an anticorrosion current generator (20, 20A, 20B) is provided on the inside of the skirt portion 12 of the cap body 10. Rust,
Anticorrosion cap
粉末状乃至粒状防食電流発生体20Cを設けた請求項１記
載のボルト・ナット用防錆、防食キャップ3. A rust preventive and corrosion preventive cap for bolts and nuts according to claim 1, wherein a powdery or granular anticorrosive current generator 20C is provided on a part or all of the inside of the cap body 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990041340U JPH083700Y2 (en) | 1990-04-18 | 1990-04-18 | Anti-corrosion and anti-corrosion cap for bolts and nuts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990041340U JPH083700Y2 (en) | 1990-04-18 | 1990-04-18 | Anti-corrosion and anti-corrosion cap for bolts and nuts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03130908U JPH03130908U (en) | 1991-12-27 |
| JPH083700Y2 true JPH083700Y2 (en) | 1996-01-31 |
Family
ID=31551924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990041340U Expired - Lifetime JPH083700Y2 (en) | 1990-04-18 | 1990-04-18 | Anti-corrosion and anti-corrosion cap for bolts and nuts |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH083700Y2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001193840A (en) * | 2000-01-12 | 2001-07-17 | Tokyo Fabric Kogyo Kk | Waterproof device for nut tightening part in connection device |
| JP5481164B2 (en) * | 2009-11-05 | 2014-04-23 | 勇 新井 | Anti-corrosion cap |
| FR2995060B1 (en) * | 2012-09-05 | 2015-03-20 | Air Liquide | PRESSURIZED FLUID CONTAINER AND METHOD FOR MANUFACTURING THE SAME |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5117673U (en) * | 1974-07-27 | 1976-02-09 | ||
| JPS5812271U (en) * | 1981-07-15 | 1983-01-26 | 日本軽金属株式会社 | Corrosion protection cap for aluminum structures |
| JPS5819482A (en) * | 1981-07-28 | 1983-02-04 | Sumitomo Rubber Ind Ltd | Anticorrosive clamp |
| JPH0356645Y2 (en) * | 1987-11-11 | 1991-12-20 |
-
1990
- 1990-04-18 JP JP1990041340U patent/JPH083700Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03130908U (en) | 1991-12-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |