JPH09189319A - Male screw member - Google Patents
Male screw memberInfo
- Publication number
- JPH09189319A JPH09189319A JP143696A JP143696A JPH09189319A JP H09189319 A JPH09189319 A JP H09189319A JP 143696 A JP143696 A JP 143696A JP 143696 A JP143696 A JP 143696A JP H09189319 A JPH09189319 A JP H09189319A
- Authority
- JP
- Japan
- Prior art keywords
- screw
- thread
- groove
- male screw
- screw member
- 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
- Gasket Seals (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、ボルト、管用基本
ネジなどの雄ネジ部材に係り、特に緩み止め機能を有し
た着脱自在な雄ネジ部材に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a male screw member such as a bolt and a basic screw for a pipe, and more particularly to a detachable male screw member having a locking function.
【０００２】[0002]
【従来の技術】締め付けたボルトの緩み止めのために、
ネジ面に接着材を注入することがあるが、このようにす
ると、接着材が硬化した後はボルトを外すことはできな
い。2. Description of the Related Art In order to prevent loosening of tightened bolts,
Adhesive may be injected into the threaded surface, but this does not allow the bolt to be removed after the adhesive has hardened.
【０００３】着脱自在な緩み止め式ボルトとして、雄ネ
ジ面にナイロン樹脂をコーティングしたボルトが市販さ
れている。このナイロン樹脂が雄ネジ面と雌ネジ面との
間に介在され、両者を圧迫することによりボルトの緩み
止めが行われる。A bolt having a male thread surface coated with nylon resin is commercially available as a detachable locking bolt. The nylon resin is interposed between the male screw surface and the female screw surface and presses both to prevent the bolt from loosening.
【０００４】[0004]
【発明が解決しようとする課題】このようなナイロン樹
脂コーティングを設けることにより脱出トルクを高める
ことができるが、戻しトルクは殆ど増大しない。Although the escape torque can be increased by providing such a nylon resin coating, the return torque hardly increases.
【０００５】即ち、締め付けられたボルトを緩み方向に
最初にぐっと回すときに要するトルク（戻しトルク）は
殆ど高められない。ただし、一旦回り始めたボルトをそ
のまま回すのに要するトルク（脱出トルク）は、ナイロ
ン樹脂コーティングの圧迫力により高められる。That is, the torque (return torque) required when the tightened bolt is first swung in the loosening direction is hardly increased. However, the torque (escape torque) required to turn the bolt that has started to turn once is increased by the compressive force of the nylon resin coating.
【０００６】本発明は、脱出トルクだけでなく、戻しト
ルクも増大させることができる緩み止め機能を有した雄
ネジ部材を提供することを目的とする。An object of the present invention is to provide a male screw member having a locking function that can increase not only the escape torque but also the return torque.
【０００７】[0007]
【課題を解決するための手段】第１の発明の雄ネジ部材
は、ネジ山が螺旋状に周設された雄ネジ部材において、
隣接した複数のネジ山にわたって、ネジ山の頂部及び側
面とネジ溝の底部とを該雄ネジ部材の軸心線と平行方向
に帯状に除去した形状の凹条が設けられ、この凹条に合
成樹脂又はゴムよりなるシール材が充填されていること
を特徴とするものである。The male screw member of the first invention is a male screw member in which threads are spirally provided,
Over a plurality of adjacent screw threads, a groove is formed by removing the top and side surfaces of the screw thread and the bottom of the screw groove in a strip shape in a direction parallel to the axis of the male screw member. It is characterized in that it is filled with a sealing material made of resin or rubber.
【０００８】第２の発明の雄ネジ部材は、ネジ山が螺旋
状に周設された雄ネジ部材において、ネジ山の側面とネ
ジ溝の底部とを該ネジ山の螺旋方向に沿って除去した形
状の凹条が設けられ、この凹条に合成樹脂又はゴムより
なるシール材が充填されていることを特徴とするもので
ある。In the male screw member of the second invention, in the male screw member in which the screw thread is spirally provided, the side surface of the screw thread and the bottom of the screw groove are removed along the spiral direction of the screw thread. It is characterized in that a concave groove is provided and a sealing material made of synthetic resin or rubber is filled in the concave groove.
【０００９】かかる第１，２の発明の雄ネジ部材におい
ては、ネジ山の側面における正規ネジ面と凹条との角縁
部のうち、雄ネジ部材の緩み回転方向の後端側の角縁部
が雌ネジ面に当ることにより、戻しトルク及び脱出トル
クが高められる。また、凹条に充填されたシール材によ
り、脱出トルクが高められる。In the male screw member of the first and second inventions, among the corner edge portions of the regular threaded surface and the concave line on the side surface of the screw thread, the corner edge on the rear end side in the loosening rotation direction of the male screw member. The return torque and the escape torque are increased by the portion hitting the female screw surface. Moreover, the escape torque is increased by the sealing material filled in the groove.
【００１０】なお、第１の発明の雄ネジ部材において
は、凹条は、雄ネジ部材の周回方向において複数個設け
られていることが好ましい。In the male screw member according to the first aspect of the invention, it is preferable that a plurality of recessed lines are provided in the circumferential direction of the male screw member.
【００１１】また、第１の発明の雄ネジ部材において
は、ネジ山の側面における正規ネジ面と前記凹条の角縁
近傍の斜面との交叉角度は、該雄ネジ部材の緩み回転方
向の後端側の角度α及び緩み回転方向の前端側の角度β
のいずれもが９０°よりも大であり、且つ該角度αの方
が角度βよりも小さいことが好ましい。Further, in the male screw member of the first invention, the crossing angle between the regular screw surface on the side surface of the screw thread and the sloped surface near the corner edge of the recess is such that the cross direction of the male screw member is in the loose rotation direction. Angle α on the end side and angle β on the front end side in the loosening rotation direction
It is preferable that all of the above are larger than 90 °, and the angle α is smaller than the angle β.
【００１２】このように角度αを９０°に近いものとす
ることにより、戻しトルクが著しく高くなる。また、β
をαよりも大きな鈍角とすることにより、雄ネジ部材の
締め付け方向の回転に要するトルク増大を抑制すること
ができる。By making the angle α close to 90 ° in this way, the return torque becomes extremely high. Also, β
By making the obtuse angle larger than α, it is possible to suppress an increase in the torque required to rotate the male screw member in the tightening direction.
【００１３】第２の発明の雄ネジ部材は、管用ネジに適
用するのに好適である。The male screw member of the second invention is suitable for application to a pipe screw.
【００１４】第１，２のいずれの発明の雄ネジ部材にお
いても、凹条に充填されるシール材は、かかる凹条を設
けない一般的な（従来の）雄ネジ部材と同一のネジ面形
状を形成するように充填されるのが好適であり、このよ
うにすることにより、雄ネジ部材を雌ネジに対しスムー
ズにネジ込むことができるようになる。In any of the male screw members of the first and second inventions, the sealing material filled in the groove has the same screw surface shape as that of a general (conventional) male screw member having no such groove. Is preferably formed so that the male screw member can be smoothly screwed into the female screw.
【００１５】なお、第１の発明の雄ネジ部材のシール材
を省略しても、戻しトルクの高い雄ネジ部材が得られ
る。Even if the sealing material of the male screw member of the first invention is omitted, a male screw member having a high return torque can be obtained.
【００１６】[0016]
【発明の実施の形態】以下、図面を参照して実施の形態
について説明する。Embodiments of the present invention will be described below with reference to the drawings.
【００１７】第１〜９図は第１の発明（請求項１〜３）
の実施の形態に係る雄ネジ部材としてのボルトを示すも
のである。1 to 9 show the first invention (claims 1 to 3).
3 shows a bolt as a male screw member according to the embodiment of FIG.
【００１８】このボルト１は、螺旋状のネジ山２とネジ
溝３とを有している。複数のネジ山２にわたって、ネジ
山２の頂部及び側面とネジ溝３とをボルト長手方向に帯
状に除去した形状の凹条４が設けられている。The bolt 1 has a spiral thread 2 and a thread groove 3. A plurality of threads 2 are provided with recessed ridges 4 having a shape in which the top and side surfaces of the threads 2 and the thread groove 3 are removed in a strip shape in the bolt longitudinal direction.
【００１９】この実施の形態にあっては、凹条４はボル
ト１の周方向に４条設けられている。In this embodiment, four recessed lines 4 are provided in the circumferential direction of the bolt 1.
【００２０】第５図に示すように、ボルト１の軸心線と
平行であり且つ法線がボルト１の軸心線を通るＡ−Ａ断
面及びＢ−Ｂ断面において、ネジ山２の側面における正
規ネジ面２ａと、凹条４の角縁近傍の斜面との交叉角度
α，βは、いずれも９０°よりも大である。また、ボル
ト１の緩み回転方向の後端側の角度αの方が緩み回転方
向の前端側の角度βよりも９０°に近い。即ち、９０°
＜α＜β＜１８０°である。As shown in FIG. 5, in the AA cross section and the BB cross section which are parallel to the axial center line of the bolt 1 and whose normal line passes through the axial center line of the bolt 1, on the side surface of the screw thread 2. The crossing angles α and β between the regular threaded surface 2a and the inclined surface near the corner edge of the recessed line 4 are both larger than 90 °. Further, the angle α on the rear end side in the loosening rotation direction of the bolt 1 is closer to 90 ° than the angle β on the front end side in the loosening rotation direction. That is, 90 °
<Α <β <180 °.
【００２１】なお、角度αは９３°〜１２０°とりわけ
１００°〜１０５°が好ましい。角度βは１１０°〜１
６０°とりわけ１３０°〜１３５°が好ましい。The angle α is preferably 93 ° to 120 °, more preferably 100 ° to 105 °. The angle β is 110 ° to 1
60 °, especially 130 ° to 135 °, is preferable.
【００２２】第６〜９図の通り、この凹条４に対し、合
成樹脂又はゴムよりなるシール材５が充填されている。
このシール材５を充填することにより、凹条４の箇所も
正規ネジ面２ａ部分及び正規ネジ溝３部分と同一形状と
なっている。As shown in FIGS. 6 to 9, the recess 4 is filled with a sealing material 5 made of synthetic resin or rubber.
By filling with this sealing material 5, the location of the recessed ridge 4 also has the same shape as the regular screw surface 2a portion and the regular screw groove 3 portion.
【００２３】このように構成されたボルト１にナット６
をネジ込んだ場合、ナット６の雌ネジ面に対し角度αの
各縁部が当たることにより、ボルト１又はナット６を緩
み方向に回転させようとした場合の戻しトルク及び脱出
トルクが著しく高いものとなる。The nut 1 is attached to the bolt 1 thus constructed.
When the screw is screwed in, the return torque and the escape torque when the bolt 1 or the nut 6 is rotated in the loosening direction are remarkably high because the edges of the nut 6 contact the female thread surface of the nut 6 Becomes
【００２４】また、シール材５が雌ネジ面に密着するこ
とにより、脱出トルクが十分に高いものとなる。Further, since the sealing material 5 is in close contact with the female screw surface, the escape torque becomes sufficiently high.
【００２５】第１〜９図では、ネジ山２の両側面を均等
に除去して凹条４を形成しているが、第１０，１１図の
ように、締め込まれたナットの雌ネジ面に対し強く密着
するサイドの側面を他方に比べ深くえぐるように凹条４
Ａを形成しても良い。In FIGS. 1 to 9, both side surfaces of the screw thread 2 are removed evenly to form the concave streak 4. However, as shown in FIGS. 10 and 11, the female screw surface of the tightened nut is formed. Concave line 4 so that the side of the side that strongly adheres to
A may be formed.
【００２６】第１２，１３図は第２の発明（請求項４，
５）の実施の形態に係る雄ネジ部材としての管用ネジ７
を示すものである。第１２図の通り、この管用ネジ７
は、ネジ山８とネジ溝９とからなり、第１２図の左方ほ
ど小径となるテーパ形状となっている。この管用ネジ７
は、管の先端の外周面に刻設されており、それよりも大
径の管（図示略）の端部内周面に刻設された雌ネジにネ
ジ込まれる。12 and 13 show the second invention (claim 4).
5) Pipe screw 7 as a male screw member according to the embodiment of 5)
It shows. As shown in FIG. 12, this pipe screw 7
Is composed of a screw thread 8 and a screw groove 9, and has a taper shape having a smaller diameter toward the left in FIG. This pipe screw 7
Is engraved on the outer peripheral surface of the tip of the pipe, and is screwed into a female screw engraved on the inner peripheral surface of the end of a pipe (not shown) having a larger diameter.
【００２７】このネジ山８のうち連続した複数山の範囲
において、ネジ山８の側面とネジ溝９の底面とを除去し
た形状の凹条１０が設けられている。この凹条１０に対
しシール材５（第１２，１３図では図示略）が充填さ
れ、凹条１０を設けない一般的な（従来の）管用ネジと
同一外観のものとされる。In a range of a plurality of continuous threads of the screw thread 8, a recess 10 having a shape in which the side surface of the screw thread 8 and the bottom surface of the screw groove 9 are removed is provided. The groove 10 is filled with a sealing material 5 (not shown in FIGS. 12 and 13) to have the same appearance as a general (conventional) pipe screw without the groove 10.
【００２８】この管用ネジ７においても、凹条１０と正
規ネジ面８ａとの角縁部１１が雌ネジ面に当ることによ
り、戻しトルク及び脱出トルクが著しく高められる。ま
た、凹条１０のシール材により、脱出トルクが高められ
る。Also in this pipe screw 7, the return torque and the withdrawal torque are remarkably increased by the contact of the corner edge 11 between the groove 10 and the regular thread surface 8a with the female thread surface. In addition, the sealing material of the groove 10 increases the escape torque.
【００２９】本発明においては、シール材に微細な硬質
粒子を混入させても良い。このようにすることにより、
この硬質粒子が雄ネジ面と雌ネジ面との間に噛み込まれ
ることにより、戻しトルク及び脱出トルクがいずれも著
しく高められる。In the present invention, fine hard particles may be mixed in the sealing material. By doing this,
When the hard particles are caught between the male screw surface and the female screw surface, both the return torque and the escape torque are significantly increased.
【００３０】なお、上記の凹条４，１０は、ボルトや管
の先端には設けられていないので、このボルトや管に対
しナットや雌ネジ付き管をネジ込む場合、最初の雄ネジ
と雌ネジとの掛かりが良い。Since the above-mentioned recessed lines 4 and 10 are not provided at the tip of the bolt or the pipe, when screwing a nut or a pipe with a female screw into the bolt or the pipe, the first male screw and the female screw are inserted. Good connection with screws.
【００３１】なお、この凹条４，１０は、ボルトの六角
形の頭部の特定の側面の延長方向や、ボルト端面の工具
係合溝の延長方向など、特定の方向に沿って設けるのが
好ましい。このようにすると、ボルト周面のどの位置に
凹条があるか識別し易い。The recesses 4 and 10 are provided along a specific direction such as the extending direction of a specific side surface of the hexagonal head of the bolt or the extending direction of the tool engaging groove on the end surface of the bolt. preferable. In this way, it is easy to identify at which position on the circumferential surface of the bolt the recess is located.
【００３２】上記説明では凹条４，４Ａにシール材５を
充填するものとしているが、本発明では、このシール材
５を省略しても、同様に脱出トルク及び戻しトルクの高
いボルトが提供される。In the above description, it is assumed that the recesses 4 and 4A are filled with the seal material 5, but in the present invention, even if the seal material 5 is omitted, a bolt having a high escape torque and a high return torque is provided. It
【００３３】[0033]
【発明の効果】以上の通り、本発明の雄ネジ部材による
と、脱出トルクだけでなく戻しトルクも著しく高められ
る。As described above, according to the male screw member of the present invention, not only the escape torque but also the return torque can be remarkably increased.
【図１】実施の形態に係るボルトの素体の側面図であ
る。FIG. 1 is a side view of an element body of a bolt according to an embodiment.
【図２】実施の形態に係るボルトの素体の正面図（図１
のII−II線矢視図）である。FIG. 2 is a front view of the element body of the bolt according to the embodiment (FIG. 1).
II-II line arrow view).
【図３】図１のIII −III 線に沿う断面図である。FIG. 3 is a sectional view taken along line III-III in FIG.
【図４】図３のIV−IV線に沿う断面図である。FIG. 4 is a sectional view taken along line IV-IV in FIG. 3;
【図５】図２のＡ−Ａ線及びＢ−Ｂ線に沿う断面図であ
る。5 is a cross-sectional view taken along line AA and line BB of FIG.
【図６】実施の形態に係るボルトの側面図である。FIG. 6 is a side view of the bolt according to the embodiment.
【図７】実施の形態に係るボルトの正面図（図６のVII
− VII線矢視図）である。FIG. 7 is a front view of the bolt according to the embodiment (VII in FIG. 6).
-VII line arrow view).
【図８】図６のVIII−VIII線に沿う断面図である。FIG. 8 is a sectional view taken along the line VIII-VIII in FIG.
【図９】図８のIX−IX線に沿う断面図である。FIG. 9 is a sectional view taken along line IX-IX in FIG. 8;
【図１０】別の実施の形態に係るボルトの側面図であ
る。FIG. 10 is a side view of a bolt according to another embodiment.
【図１１】図１０のXI−XI線に沿う断面図である。FIG. 11 is a sectional view taken along the line XI-XI in FIG. 10;
【図１２】実施の形態に係る管用ネジの側面図である。FIG. 12 is a side view of the pipe screw according to the embodiment.
【図１３】図１２のXIII−XIII線に沿う断面図である。FIG. 13 is a sectional view taken along the line XIII-XIII of FIG.
【符号の説明】 １ ボルト ２，８ ネジ山 ３，９ ネジ溝 ４，４Ａ，１０ 凹条 ５ シール材 ６ ナット ７ 管用ネジ １１ 角縁部[Explanation of symbols] 1 bolt 2,8 screw thread 3,9 screw groove 4,4A, 10 recessed ridge 5 sealing material 6 nut 7 pipe screw 11 corner edge
Claims (7)
において、 隣接した複数のネジ山にわたって、ネジ山の頂部及び側
面とネジ溝の底部とを該雄ネジ部材の軸心線と平行方向
に帯状に除去した形状の凹条が設けられ、 この凹条に合成樹脂又はゴムよりなるシール材が充填さ
れていることを特徴とする雄ネジ部材。1. A male screw member in which a screw thread is spirally provided, wherein a top portion and a side surface of the screw thread and a bottom portion of a screw groove are provided as an axial center line of the male screw member over a plurality of adjacent screw threads. A male screw member, characterized in that a groove is formed in a strip shape in a parallel direction, and the groove is filled with a sealing material made of synthetic resin or rubber.
部材の周回方向において複数個設けられていることを特
徴とする雄ネジ部材。2. The male screw member according to claim 1, wherein a plurality of the recessed strips are provided in a circumferential direction of the male screw member.
側面における正規ネジ面と前記凹条の角縁近傍の斜面と
の交叉の角度は、該雄ネジ部材の緩み回転方向の後端側
の角度α及び緩み回転方向の前端側の角度βのいずれも
が９０°よりも大であり、且つ該角度αの方が角度βよ
りも小さいことを特徴とする雄ネジ部材。3. The crossing angle between the regular threaded surface on the side surface of the thread and the sloped surface near the corner edge of the groove is determined by the angle of intersection of the male threaded member on the rear end side in the loosening rotation direction. Both the angle α and the angle β on the front end side in the loosening rotation direction are larger than 90 °, and the angle α is smaller than the angle β.
において、 ネジ山の側面とネジ溝の底部とを該ネジ山の螺旋方向に
沿って除去した形状の凹条が設けられ、 この凹条に合成樹脂又はゴムよりなるシール材が充填さ
れていることを特徴とする雄ネジ部材。4. A male screw member in which a screw thread is spirally provided, wherein a recessed line having a shape in which a side surface of the screw thread and a bottom portion of the screw groove are removed along a spiral direction of the screw thread is provided, A male screw member in which the groove is filled with a sealing material made of synthetic resin or rubber.
であることを特徴とする雄ネジ部材。5. The male screw member according to claim 4, wherein the screw is a basic pipe screw.
て、シール材を充填した箇所のネジ山及びネジ溝の該シ
ール材外面形状は、該凹条を設けた箇所以外のネジ山及
びネジ溝に対応した正規のネジ山及びネジ溝形状となっ
ていることを特徴とする雄ネジ部材。6. The external thread shape of a thread and a groove at a portion filled with a seal material according to claim 1, wherein the shape of the outer surface of the seal material is a thread and a screw other than a location where the recess is provided. A male screw member having a regular screw thread and screw groove shape corresponding to the groove.
において、 隣接した複数のネジ山にわたって、ネジ山の頂部及び側
面とネジ溝の底部とを該雄ネジ部材の軸心線と平行方向
に帯状に除去した形状の凹条が設けられていることを特
徴とする雄ネジ部材。7. A male screw member in which a screw thread is spirally provided, wherein a top portion and a side surface of the screw thread and a bottom portion of a screw groove are formed as an axial center line of the male screw member over a plurality of adjacent screw threads. A male screw member characterized in that a recessed strip formed in a strip shape is provided in a parallel direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP143696A JPH09189319A (en) | 1996-01-09 | 1996-01-09 | Male screw member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP143696A JPH09189319A (en) | 1996-01-09 | 1996-01-09 | Male screw member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09189319A true JPH09189319A (en) | 1997-07-22 |
Family
ID=11501399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP143696A Pending JPH09189319A (en) | 1996-01-09 | 1996-01-09 | Male screw member |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH09189319A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001047159A (en) * | 1999-08-12 | 2001-02-20 | Punch Industry Co Ltd | Spring plunger for die of press and wrench for plunger |
| DE10108867B4 (en) * | 2001-02-15 | 2004-04-29 | Rud-Kettenfabrik Rieger & Dietz Gmbh U. Co. | terminal screw |
| JP2006187241A (en) * | 2005-01-06 | 2006-07-20 | Shimano Inc | Spinning rod |
| JP2008075416A (en) * | 2006-09-25 | 2008-04-03 | Kyoei Steel Ltd | Connecting method for screw reinforcement |
| KR200473653Y1 (en) * | 2012-12-06 | 2014-07-17 | 이춘환 | Untieing protecting screw |
| WO2015049761A1 (en) * | 2013-10-03 | 2015-04-09 | 株式会社青山製作所 | Bolt |
| EP3211252A4 (en) * | 2015-08-04 | 2018-05-30 | Aoyama Seisakusho Co., Ltd. | Paint film-peeling bolt |
| CN112325007A (en) * | 2020-04-30 | 2021-02-05 | 北京理工大学 | Pipe joint sealing structure |
| CN113454348A (en) * | 2019-02-13 | 2021-09-28 | 株式会社托普拉 | Screw nail |
| JP2021197201A (en) * | 2020-06-09 | 2021-12-27 | プライムアースＥｖエナジー株式会社 | Fixation structure of battery module, assembled battery, disassembly method of assembled battery, and manufacturing method of rebuilt assembled battery |
-
1996
- 1996-01-09 JP JP143696A patent/JPH09189319A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001047159A (en) * | 1999-08-12 | 2001-02-20 | Punch Industry Co Ltd | Spring plunger for die of press and wrench for plunger |
| DE10108867B4 (en) * | 2001-02-15 | 2004-04-29 | Rud-Kettenfabrik Rieger & Dietz Gmbh U. Co. | terminal screw |
| JP2006187241A (en) * | 2005-01-06 | 2006-07-20 | Shimano Inc | Spinning rod |
| JP4507253B2 (en) * | 2005-01-06 | 2010-07-21 | 株式会社シマノ | fishing rod |
| JP2008075416A (en) * | 2006-09-25 | 2008-04-03 | Kyoei Steel Ltd | Connecting method for screw reinforcement |
| KR200473653Y1 (en) * | 2012-12-06 | 2014-07-17 | 이춘환 | Untieing protecting screw |
| WO2015049761A1 (en) * | 2013-10-03 | 2015-04-09 | 株式会社青山製作所 | Bolt |
| US9903405B2 (en) | 2013-10-03 | 2018-02-27 | Aoyama Seisakusho Co., Ltd. | Bolt |
| EP3211252A4 (en) * | 2015-08-04 | 2018-05-30 | Aoyama Seisakusho Co., Ltd. | Paint film-peeling bolt |
| US10267348B2 (en) | 2015-08-04 | 2019-04-23 | Aoyama Seisakusho Co., Ltd. | Bolt for peeling coating film |
| CN113454348A (en) * | 2019-02-13 | 2021-09-28 | 株式会社托普拉 | Screw nail |
| CN113454348B (en) * | 2019-02-13 | 2023-02-10 | 株式会社托普拉 | Screw nail |
| CN112325007A (en) * | 2020-04-30 | 2021-02-05 | 北京理工大学 | Pipe joint sealing structure |
| JP2021197201A (en) * | 2020-06-09 | 2021-12-27 | プライムアースＥｖエナジー株式会社 | Fixation structure of battery module, assembled battery, disassembly method of assembled battery, and manufacturing method of rebuilt assembled battery |
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