JP2549686Y2 - Flaring tools - Google Patents
Flaring toolsInfo
- Publication number
- JP2549686Y2 JP2549686Y2 JP8087591U JP8087591U JP2549686Y2 JP 2549686 Y2 JP2549686 Y2 JP 2549686Y2 JP 8087591 U JP8087591 U JP 8087591U JP 8087591 U JP8087591 U JP 8087591U JP 2549686 Y2 JP2549686 Y2 JP 2549686Y2
- Authority
- JP
- Japan
- Prior art keywords
- screw body
- shaft
- male screw
- handle
- threaded
- 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
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案は空調配管等に用いられる
フレア継手のフレア部を加工するためのフレアリング工
具に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flaring tool for processing a flared portion of a flared joint used for air conditioning piping or the like.
【０００２】[0002]
【従来の技術】従来、このフレアリング工具として、図
３〜図６に示すものが公知である。2. Description of the Related Art Conventionally, the flaring tool shown in FIGS. 3 to 6 is known.
【０００３】これを説明すると、１はボディで、このボ
ディ１の下部が加工孔２ａを備えたゲージバー２に締付
けねじ３で固定される。４は締付けハンドル、５はフレ
ア加工される銅管等の被加工菅材である。[0003] To explain this, reference numeral 1 denotes a body, and a lower portion of the body 1 is fixed to a gauge bar 2 having a processing hole 2a with a tightening screw 3. Reference numeral 4 denotes a fastening handle, and reference numeral 5 denotes a tube material to be processed such as a copper tube to be flared.
【０００４】ボディ１の上部には雌ねじ体６が固定さ
れ、この雌ねじ体６に頭部７ａを有する筒状の雄ねじ体
７が上側から螺合されている。A female screw body 6 is fixed to the upper part of the body 1, and a cylindrical male screw body 7 having a head 7a is screwed into the female screw body 6 from above.
【０００５】この雄ねじ体７には、中心部にシャフト８
が貫挿されている。このシャフト８の先端部（下端部）
には、他より大径となったコーン取付部８ａが設けら
れ、このコーン取付部８ａに、フレア加工部としてのコ
ーン９がシャフト軸心に対し偏心しかつ少し傾斜した状
態で回転自在に取付けられている。The male screw body 7 has a shaft 8 at the center.
Is inserted. Tip (lower end) of this shaft 8
Is provided with a cone mounting portion 8a having a larger diameter than the other. A cone 9 as a flare processing portion is rotatably mounted on the cone mounting portion 8a in a state of being eccentric with respect to the shaft axis and slightly inclined. Have been.
【０００６】また、シャフト８のコーン取付部８ａと雄
ねじ体７との間に、雄ねじ体７のねじ込み推力をシャフ
ト８に伝えるコイルバネ１０が設けられている。１１は
このコイルバネ１０とコーン取付部８ａとの間に介装さ
れたスラストワッシャ、１２は同ボールベアリング、１
３はシャフト８をボディ１内で回転自在に支持するニー
ドルベアリングである。[0006] A coil spring 10 is provided between the cone mounting portion 8 a of the shaft 8 and the male screw body 7 to transmit the thrust of the male screw body 7 to the shaft 8. Numeral 11 denotes a thrust washer interposed between the coil spring 10 and the cone mounting portion 8a, 12 denotes a ball bearing, 1
Reference numeral 3 denotes a needle bearing that rotatably supports the shaft 8 in the body 1.
【０００７】一方、シャフト８の上端部に、シャフト８
を回転させるためのハンドル１４がピン（スプリングピ
ン）１５によって固定されている。On the other hand, the shaft 8
A handle 14 for rotating is fixed by a pin (spring pin) 15.
【０００８】また、このハンドル１４には、中心から外
れた位置にプランジャ１６がバネ１７により雄ねじ体７
の頭部７ａに向けて押圧された状態で設けられ、このプ
ランジャ１６が、雄ねじ体頭部７ａに設けられたプラン
ジャ嵌入孔１８に嵌入した状態で、ハンドル１４と雄ね
じ体７とが連結される。A plunger 16 is attached to the handle 14 at a position off center by a spring 17.
The handle 14 and the male screw body 7 are connected in a state where the plunger 16 is fitted into a plunger fitting hole 18 provided in the male screw body head 7a. .
【０００９】この状態で、ハンドル１４の回転力がシャ
フト８ととともに雄ねじ体７に伝えられ、この雄ねじ体
７が雌ねじ体６に対し螺進退移動する。In this state, the rotational force of the handle 14 is transmitted to the male screw 7 together with the shaft 8, and the male screw 7 moves forward and backward with respect to the female screw 6.
【００１０】なお、プランジャ１６の外周面に凹溝１６
ａが設けられ、シャフト８の上端部に取付けられたピン
１９の先端部がこの凹溝１６ａに嵌まり込むことによ
り、プランジャ１６が一定のストロークで軸方向移動し
うる状態で抜け止めされている。The outer peripheral surface of the plunger 16 is provided with a concave groove 16.
a is provided, and the tip of the pin 19 attached to the upper end of the shaft 8 is fitted into the concave groove 16a, so that the plunger 16 is prevented from falling out in a state where it can move in the axial direction with a constant stroke. .
【００１１】また、図５，６に示すように、プランジャ
１６の下端面１６ｂは、雄ねじ体７が締込まれるハンド
ル回転方向に対して先上がりに傾斜する傾斜面に形成さ
れている。As shown in FIGS. 5 and 6, the lower end surface 16b of the plunger 16 is formed as an inclined surface which inclines upward in the handle rotation direction in which the male screw body 7 is tightened.
【００１２】この構成において、ハンドル１４が締込み
方向（図３の実線矢印方向）に操作されると、これと一
体にシャフト８および雄ねじ体７が回転し、雄ねじ体７
の螺進移動力がバネ１０を介してシャフト８に伝えられ
る。In this configuration, when the handle 14 is operated in the tightening direction (the direction of the solid line arrow in FIG. 3), the shaft 8 and the male screw body 7 rotate integrally therewith, and the male screw body 7 is rotated.
Is transmitted to the shaft 8 via the spring 10.
【００１３】これにより、シャフト８が回転しながら進
出（下降）移動し、コーン９によるフレア加工が行われ
る。As a result, the shaft 8 moves forward (down) while rotating, and flaring by the cone 9 is performed.
【００１４】図３はこのフレア加工が完了した状態を示
し、この状態からさらにハンドル１４が締込み操作され
ると、それ以上下降できないシャフト８に対して雄ねじ
体７がさらに螺進移動するため、バネ１０が押し縮めら
れながらシャフト８がその場で回転を続ける。FIG. 3 shows a state in which the flare processing is completed. When the handle 14 is further tightened from this state, the male screw 7 is further screwed to the shaft 8 which cannot be further lowered. The shaft 8 continues to rotate in place while the spring 10 is compressed.
【００１５】こうしてバネ１０が所定量縮められると、
図６に示すように雄ねじ体頭部７ａがハンドル１４から
離れることにより、プランジャ１６がプランジャ嵌入孔
１８に対し下端部のみがわずかに嵌まり込んだ状態とな
る。このため、この状態からさらにハンドル１４が締込
み操作されると、プランジャ１６が、下端傾斜面１６ｂ
の作用によってプランジャ嵌入孔１８から外れる。When the spring 10 is contracted by a predetermined amount,
As shown in FIG. 6, when the male screw body head 7a separates from the handle 14, only the lower end of the plunger 16 is slightly fitted into the plunger fitting hole 18. Therefore, when the handle 14 is further tightened from this state, the plunger 16 is moved to the lower end inclined surface 16b.
Of the plunger fitting hole 18.
【００１６】従って、この後は、プランジャ１６が１回
転ごとにプランジャ嵌入孔１８に出入りしながらハンド
ル１４が空転する。このクラッチ作用により、フレア加
工部分に必要以上の負荷がかかって損傷することが防止
される。Thereafter, the handle 14 idles while the plunger 16 moves in and out of the plunger fitting hole 18 for each rotation. By this clutch action, the flared portion is prevented from being damaged by an unnecessary load.
【００１７】次に、ハンドル１４が図３の破線矢印方向
に締戻し操作されると、プランジャ１６がプランジャ嵌
入孔１８に入り込んだ図６の状態からハンドル回転力が
雄ねじ体７に伝えられるため、雄ねじ体７が螺退移動
し、圧縮されたバネ１０が緩んで図５のように雄ねじ体
頭部７ａがハンドル１４の下面に再び密着する。Next, when the handle 14 is tightened back in the direction of the dashed arrow in FIG. 3, the turning force of the handle is transmitted to the male screw 7 from the state of FIG. 6 in which the plunger 16 has entered the plunger fitting hole 18. The male screw body 7 retreats, the compressed spring 10 is loosened, and the male screw body head 7a comes into close contact with the lower surface of the handle 14 as shown in FIG.
【００１８】このため、雄ねじ体７によってハンドル１
４が押し上げられ、シャフト８が回転しながら後退（上
昇）移動する。For this reason, the handle 1 is formed by the male screw body 7.
4 is pushed up, and the shaft 8 moves backward (up) while rotating.
【００１９】そして、コーン９がゲージバー２から十分
離れた締戻し終了位置に達すると、図４に示すようにシ
ャフト８のコーン取付部８ａの上面が雌ねじ体６の下端
面に当るため、シャフト８の上昇が停止する。When the cone 9 reaches the tightening end position sufficiently separated from the gauge bar 2, the upper surface of the cone mounting portion 8a of the shaft 8 comes into contact with the lower end surface of the female screw body 6 as shown in FIG. Stops rising.
【００２０】[0020]
【考案が解決しようとする課題】この場合、従来のフレ
アリング工具によると、図４に示すようにシャフト８が
最大後退位置（以下、戻しエンドという）に達した状態
で、なお、雄ねじ体７のねじ部７ｂがねじ先（先端）部
分で雌ねじ体６に螺合した状態となる。In this case, according to the conventional flaring tool, when the shaft 8 reaches the maximum retracted position (hereinafter referred to as a return end) as shown in FIG. Is in a state of being screwed into the female screw body 6 at the screw tip (tip) portion.
【００２１】ここで、図示のようにハンドル１４が常に
手回し操作される手動専用のフレアリング工具について
は、実際上、ハンドル操作が重くなった時点で操作を停
止するため、問題は生じない。As shown in the figure, the flare tool for manual operation, in which the handle 14 is always manually turned, does not cause any problem because the operation is actually stopped when the handle operation becomes heavy.
【００２２】ところが、最近は、作業の効率化、労力の
軽減化のために、ハンドル１４の中央部上面に工具嵌入
孔を設け、電動式の回転工具でハンドル１４を回転させ
うるようにした手動・電動兼用型のフレアリング工具が
出現している。However, recently, in order to improve work efficiency and reduce labor, a tool insertion hole is provided in the upper surface of the central portion of the handle 14 so that the handle 14 can be rotated by an electric rotary tool.・ Electric and electric flaring tools are emerging.
【００２３】このような兼用型あるいは電動専用の工具
においては、図４の戻しエンドが把握できないため、戻
し過ぎによってハンドル固定ピン１５等が折れるといっ
たトラブルが発生していた。In such a dual-purpose or electric-only tool, since the return end in FIG. 4 cannot be grasped, a trouble such as the handle fixing pin 15 or the like being broken due to excessive return has occurred.
【００２４】なお、雄ねじ体７のねじ部７ｂを短くし、
シャフト８が戻しエンドに達した時点でねじ部７ｂが雌
ねじ体６から外れるように構成すれば上記トラブルは発
生しない。The threaded portion 7b of the male screw body 7 is shortened,
If the screw portion 7b is detached from the female screw body 6 when the shaft 8 reaches the return end, the above trouble does not occur.
【００２５】しかし、こうすると螺合が外れた状態で雄
ねじ体７およびシャフト８が傾くため、つぎの締込み時
に雄ねじ体７が雌ねじ体６にうまく螺合しないといった
弊害が生じる。However, in this case, the male screw 7 and the shaft 8 are tilted in a state where the screw is disengaged, so that there is a problem that the male screw 7 is not properly screwed into the female screw 6 at the next tightening.
【００２６】そこで本考案は、シャフトの戻しエンドで
雄ねじ体と雌ねじ体のかみあい状態を維持しながら、戻
し過ぎによるトラブルの発生を確実に防止することがで
きるフレアリング工具を提供するものである。Accordingly, the present invention provides a flaring tool that can reliably prevent the occurrence of trouble due to excessive return while maintaining the engaged state of the external thread and the internal thread at the return end of the shaft.
【００２７】[0027]
【課題を解決するための手段】本考案は、ボディに固定
された雌ねじ体に雄ねじ体が螺合され、この雄ねじ体に
は、先端にフレア加工部を有するシャフトが連結されて
雄ねじ体の螺進退移動とともに軸方向に進退移動しなが
ら回転しうるように構成され、かつ、このシャフトの最
大後退位置を規制するストッパ機構が設けられてなるフ
レアリング工具において、上記雄ねじ体のねじ部を、上
記シャフトが上記最大後退位置に到達した状態でねじ先
が上記雌ねじ体の端部から外れる寸法に形成するととも
に、この雄ねじ体の先端部に非ねじ部が設けられてなる
ものである。According to the present invention, a male screw body is screwed to a female screw body fixed to a body, and a shaft having a flared portion at the tip is connected to the male screw body. In a flaring tool, which is configured to be able to rotate while moving forward and backward in the axial direction together with the forward and backward movement, and provided with a stopper mechanism that regulates the maximum backward position of the shaft, the thread portion of the external thread body is formed as described above. When the shaft reaches the maximum retracted position, the threaded end is formed to have a size deviating from the end of the female threaded body, and a non-threaded portion is provided at the tip of the male threaded body.
【００２８】[0028]
【作用】上記構成によると、シャフトの最大後退位置、
すなわち戻しエンドで雄ねじ体のねじ部が雌ねじ体から
外れるため、電動式の場合に戻し過ぎによるハンドル固
定ピンの折損等のトラブルが発生するおそれがない。According to the above construction, the maximum retreat position of the shaft,
In other words, since the screw portion of the male screw body is disengaged from the female screw body at the return end, there is no possibility that trouble such as breakage of the handle fixing pin due to excessive return will occur in the case of the electric type.
【００２９】しかも、このとき雄ねじ体の非ねじ部が雌
ねじ体に嵌合した状態となっているため、これらのかみ
合い状態が維持され、これらが完全に外れて雄ねじ体の
再螺合に手間取る等の弊害が生じない。Moreover, at this time, since the non-threaded portion of the male screw body is fitted to the female screw body, these meshing states are maintained, and they are completely disengaged and it takes time to re-thread the male screw body. No adverse effects are caused.
【００３０】[0030]
【実施例】本考案の実施例を図１，２によって説明す
る。An embodiment of the present invention will be described with reference to FIGS.
【００３１】この実施例において、図３〜図６に示す従
来のフレアリング工具と同一部分には同一符号を付して
示し、その重複説明を省略する。In this embodiment, the same parts as those of the conventional flaring tool shown in FIGS. 3 to 6 are denoted by the same reference numerals, and the description thereof will not be repeated.
【００３２】このフレアリング工具においては、頭部２
１ａを有する雄ねじ体２１の軸部外周に、雌ねじ体６に
螺合するねじ部２１ｂが、頭部２１ａ側から先端近くま
での範囲に亘って設けられるとともに、このねじ部２１
ｂよりも先端側の部分に非ねじ部２１ｃが設けられてい
る。In this flaring tool, the head 2
A threaded portion 21b screwed to the female threaded body 6 is provided on the outer periphery of the shaft portion of the male threaded body 21 having the threaded portion 1a from the head 21a side to the vicinity of the tip.
A non-screw portion 21c is provided in a portion on the distal end side from b.
【００３３】ここで、ねじ部２１ｂは、図１に示すよう
にシャフト８が戻しエンドに達した状態で雌ねじ体６か
ら外れることとなる寸法Ｌ１をもって形成され、この図
１の状態で非ねじ部２１ｃが雌ねじ体６の上端部に嵌合
して雄ねじ体２１と雌ねじ体６のかみ合い状態が維持さ
れる。Here, as shown in FIG. 1, the threaded portion 21b is formed to have a dimension L1 that will come off the female screw body 6 when the shaft 8 reaches the return end. 21c is fitted to the upper end of the female screw body 6, and the meshing state between the male screw body 21 and the female screw body 6 is maintained.
【００３４】なお、この非ねじ部２１ｃの寸法Ｌ２は、
図１の状態で雄ねじ体２１が直立状態に保持されるのに
十分な嵌合代が得られるような大きさ（たとえば軸部全
長が２５．５mmの場合に５．０mm程度でよい）に設定さ
れている。The dimension L2 of the non-threaded portion 21c is
The size is set such that a sufficient margin for fitting can be obtained so that the male screw body 21 is held upright in the state of FIG. 1 (for example, when the total length of the shaft portion is 25.5 mm, it may be about 5.0 mm). Have been.
【００３５】また、ハンドル１４の中央部上面に、電動
工具が差し込まれる工具孔１４ａが設けられている。A tool hole 14a into which a power tool is inserted is provided on the upper surface of the central portion of the handle 14.
【００３６】このような構成としたから、ハンドル１４
の締め戻し操作時に、シャフト８が戻しエンドに達した
後、さらに締戻し操作されても、雄ねじ体２１は、非ね
じ部２１ｃが雌ねじ体６内で回転するだけの状態となる
ため、ハンドル１４、シャフト８、雄ねじ体２１の三者
がその場で空転することとなる。With this configuration, the handle 14
When the shaft 8 reaches the return end at the time of the tightening operation, the male screw body 21 is in a state in which the non-threaded portion 21c simply rotates within the female screw body 6 even if the screwing operation is further performed. , The shaft 8 and the externally threaded body 21 idle on the spot.
【００３７】このため、電動工具によるハンドル操作時
に、戻し過ぎによってハンドル固定ピン１５が折れる等
のトラブル発生のおそれが全くなくなる。Therefore, when the handle is operated by the electric tool, there is no possibility of occurrence of troubles such as breakage of the handle fixing pin 15 due to excessive return.
【００３８】また、雄ねじ体２１は非ねじ部２１ｃによ
って雌ねじ体６とのかみ合い状態を維持されているた
め、つぎにハンドル１４が締込み操作されると、ねじ部
２１ｂが直ちに雌ねじ体６に螺合して即座に締込み動作
が開始される。Further, since the male screw body 21 is kept engaged with the female screw body 6 by the non-threaded part 21c, when the handle 14 is tightened next, the screw part 21b is immediately screwed into the female screw body 6. Immediately, the tightening operation is started.
【００３９】ところで、上記実施例では、シャフト８を
戻しエンドで停止させるためのストッパ機構をシャフト
８のコーン取付部８ａと雌ねじ体６とによって構成した
が、このストッパ機構をこれらとは別の部材で構成して
もよい。In the above-described embodiment, the stopper mechanism for stopping the shaft 8 at the return end is constituted by the cone mounting portion 8a of the shaft 8 and the female screw body 6. However, this stopper mechanism is provided by another member. May be configured.
【００４０】また、上記実施例では、シャフト８の締込
み過ぎを防止するためのクラッチ機構を備えたフレアリ
ング工具を例にとったが、本考案はこのようなクラッチ
機構を持たず、シャフト８と雄ねじ体２１がピン等で直
結されたものにも適用することができる。In the above embodiment, the flaring tool provided with a clutch mechanism for preventing the shaft 8 from being excessively tightened is taken as an example. However, the present invention does not have such a clutch mechanism, and The present invention can also be applied to a structure in which the male screw body 21 is directly connected with a pin or the like.
【００４１】[0041]
【考案の効果】上記のように本考案によるときは、シャ
フトの戻しエンドで雄ねじ体のねじ部が雌ねじ体から外
れ、非ねじ部が雌ねじ体に嵌合した状態となるように構
成したから、電動式の場合に戻し過ぎによるハンドル固
定ピンの折損等のトラブルの発生を確実に防止すること
ができる。As described above, according to the present invention, the threaded portion of the male screw is disengaged from the female screw at the return end of the shaft, and the non-threaded portion is engaged with the female screw. In the case of the electric type, occurrence of troubles such as breakage of the handle fixing pin due to excessive return can be reliably prevented.
【００４２】しかも、この状態で非ねじ部によって雄ね
じ体と雌ねじ体のかみ合い状態を維持できるため、つぎ
の締込み操作時にこれらを直ちに再螺合させることがで
きる。すなわち、シャフトの戻しエンドで雄ねじ体が雌
ねじ体から完全に外れてこれらの再螺合に手間取る等の
弊害が生じない。Further, in this state, the meshing state between the male screw body and the female screw body can be maintained by the non-threaded portion, so that they can be immediately screwed again at the next tightening operation. That is, at the return end of the shaft, there is no adverse effect such that the male screw body is completely removed from the female screw body and it takes time to re-screw them.
【図１】本考案の実施例にかかるフレアリング工具の一
部断面図である。FIG. 1 is a partial cross-sectional view of a flaring tool according to an embodiment of the present invention.
【図２】同工具における雄ねじ体の斜視図である。FIG. 2 is a perspective view of a male screw body of the tool.
【図３】従来のフレアリング工具の全体断面図である。FIG. 3 is an overall sectional view of a conventional flaring tool.
【図４】同工具の締め戻し状態を示す一部断面図であ
る。FIG. 4 is a partial cross-sectional view showing a tightened state of the tool.
【図５】図３のＶ−Ｖ線断面図である。FIG. 5 is a sectional view taken along line VV of FIG. 3;
【図６】図５の状態から締込みエンドまで操作された状
態の断面図である。FIG. 6 is a cross-sectional view of a state where the operation from the state of FIG. 5 to the tightening end is performed.
１ ボディ ６ ストッパ機構の一部を兼用する雌ねじ体 ２１ 雄ねじ体 ２１ｂ 雄ねじ体のねじ部 ２１ｃ 雄ねじ体の非ねじ部 ８ シャフト ８ａ ストッパ機構の一部を兼ねるシャフトのコーン取
付部 ９ フレア加工部としてのコーン １４ ハンドルDESCRIPTION OF SYMBOLS 1 Body 6 Female threaded body which also serves as a part of stopper mechanism 21 Male threaded body 21b Threaded part of male threaded body 21c Non-threaded part of male threaded body 8 Shaft 8a Cone attachment part of shaft which also serves as part of stopper mechanism 9 Flare processing part Cone 14 handle
Claims (1)
が螺合され、この雄ねじ体には、先端にフレア加工部を
有するシャフトが連結されて雄ねじ体の螺進退移動とと
もに軸方向に進退移動しながら回転しうるように構成さ
れ、かつ、このシャフトの最大後退位置を規制するスト
ッパ機構が設けられてなるフレアリング工具において、
上記雄ねじ体のねじ部を、上記シャフトが上記最大後退
位置に到達した状態でねじ先が上記雌ねじ体の端部から
外れる寸法に形成するとともに、この雄ねじ体の先端部
に非ねじ部が設けられてなることを特徴とするフレアリ
ング工具。A male screw body is screwed to a female screw body fixed to a body, and a shaft having a flared portion at its tip is connected to the male screw body. In a flaring tool that is configured to be able to rotate while rotating, and provided with a stopper mechanism that regulates the maximum retreat position of the shaft,
The threaded portion of the male screw body is formed to have a size such that the screw tip is disengaged from the end of the female screw body when the shaft reaches the maximum retracted position, and a non-threaded portion is provided at the tip of the male screw body. A flaring tool characterized by the following.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8087591U JP2549686Y2 (en) | 1991-10-04 | 1991-10-04 | Flaring tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8087591U JP2549686Y2 (en) | 1991-10-04 | 1991-10-04 | Flaring tools |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0533921U JPH0533921U (en) | 1993-05-07 |
| JP2549686Y2 true JP2549686Y2 (en) | 1997-09-30 |
Family
ID=13730524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8087591U Expired - Lifetime JP2549686Y2 (en) | 1991-10-04 | 1991-10-04 | Flaring tools |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2549686Y2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200452761Y1 (en) * | 2008-07-29 | 2011-03-21 | 영창가스(주) | Portable pipe expanding device |
| EP2524741B1 (en) * | 2011-05-16 | 2014-12-24 | Alcatel Lucent | Device for flanging the end of a metal tube |
| JP7245499B2 (en) * | 2018-12-25 | 2023-03-24 | 株式会社スーパーツール | flare forming tool |
-
1991
- 1991-10-04 JP JP8087591U patent/JP2549686Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0533921U (en) | 1993-05-07 |
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