JP3449606B2 - Pipe end chamfer - Google Patents
Pipe end chamferInfo
- Publication number
- JP3449606B2 JP3449606B2 JP36957699A JP36957699A JP3449606B2 JP 3449606 B2 JP3449606 B2 JP 3449606B2 JP 36957699 A JP36957699 A JP 36957699A JP 36957699 A JP36957699 A JP 36957699A JP 3449606 B2 JP3449606 B2 JP 3449606B2
- Authority
- JP
- Japan
- Prior art keywords
- blade plate
- blade
- pipe
- edge
- cutting
- 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 - Fee Related
Links
Landscapes
- Turning (AREA)
- Milling, Broaching, Filing, Reaming, And Others (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、各種配管工事に使
用される管端の面取り具に関するものであり、さらに詳
しくは、電気工事や水道工事等の配管工事に使用される
金属管又は合成樹脂管の管端縁に形成されるばりを取り
除いてきれいに仕上げるための管端の面取り具に関する
ものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pipe end chamfer used in various types of plumbing work, and more specifically, a metal pipe or a synthetic resin used in plumbing work such as electric work and water supply work. TECHNICAL FIELD The present invention relates to a chamfered tool for pipe ends for removing burrs formed on the pipe edge and finishing the pipe cleanly.
【０００２】[0002]
【従来の技術】建造物等における電気（配線）工事や水
道工事には多くの配管工事を伴う。このような配管工事
では、金属管や合成樹脂管を作業現場で必要な長さに切
断し、管同士を連結したり、管端や管途中に各種の器具
類を取り付けたりするが、作業現場で切断された管の管
端縁にはばりを生じる。配管工事にこのばりを残したま
まの管を使用すると、さまざまなトラブルの原因になる
ので、配管工事で使用される管は切断した後で管端縁の
ばりを取り除いてから使用するようにしている。このば
りの除去は、作業員が手作業でヤスリやナイフ等の刃物
を使用して行われている。2. Description of the Related Art A lot of piping work is involved in electrical (wiring) work and water supply work in a building or the like. In such plumbing work, metal pipes and synthetic resin pipes are cut to the required length at the work site, the pipes are connected to each other, and various kinds of equipment are attached to the pipe end or the middle of the pipe. A burr is generated on the edge of the pipe cut by. If you use pipes with this flash left for plumbing, it may cause various troubles.Be sure to cut the pipes used for plumbing and then remove the burrs on the pipe edges before using. There is. This burr is removed manually by a worker using a blade such as a file or a knife.
【０００３】[0003]
【発明が解決しようとする課題】上記するように、配管
工事に使用される管の管端縁に生じるばりを、作業員が
手作業で除去する場合、手間が掛かり工事の作業能率に
影響を与える。また、管端縁の仕上がりは作業員の作業
の巧拙等に左右される。As described above, when a worker manually removes the flash generated on the edge of the pipe used for the plumbing work, it takes time and labor and the work efficiency of the construction is affected. give. Further, the finish of the pipe edge depends on the skill of the worker.
【０００４】そこで、本発明の課題は、配管工事に使用
される管が切断されて管端縁に生じるばりを、作業の巧
拙がなく誰でも簡単にきれいに除去できる専用の管端の
面取り具を提供することにある。また、本発明の他の課
題は、切断された管の管端縁に生じるばりが簡単に除去
できる面取り具を製作工程を簡素化して大量・安価に提
供できるようにしたことにある。SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a dedicated pipe end chamfer which can be easily and cleanly removed by anyone without skill in the work, by removing burrs generated at the pipe edge by cutting a pipe used for piping work. To provide. Another object of the present invention is to make it possible to provide a chamfering tool which can easily remove burrs generated at the tube end edge of a cut tube by simplifying the manufacturing process and providing it in large quantities at low cost.
【０００５】[0005]
【課題を解決するための手段】上記するような課題を解
決するために、本発明に係る管端の面取り具は、放射方
向に延び、且つ、軸心方向に傾斜した複数枚の刃板の内
端を集括状に結合し、各刃板の一方の縁に形成した切刃
を仮想凸状円錐面に臨ませ、他方の縁に形成した切刃を
仮想凹状円錐面に臨ませて刃板集合体を構成し、該刃板
集合体を筒状外框内に配装した管端の面取り具におい
て、各刃板両縁に形成した切刃を平行させ、仮想凸状円
錐面に臨ませた切刃の位置は、刃板集合体の半径線上に
合わせて設定し、仮想凹状円錐面に臨ませた切刃の位置
は、軸心線を含む仮想平面に対する刃板面の傾斜によ
り、刃板集合体の半径線より該切刃の回し切り方向に偏
倚させて設定したことを特徴とする。In order to solve the above problems, a chamfered tool for pipe ends according to the present invention is provided with a plurality of blade plates extending in a radial direction and inclined in an axial direction. The inner edges are joined together in a collective shape, the cutting edge formed on one edge of each blade plate faces the virtual convex conical surface, and the cutting edge formed on the other edge faces the virtual concave conical surface. In a chamfering tool for a pipe end, which constitutes a plate assembly, and the blade plate assembly is arranged in a cylindrical outer frame, the cutting edges formed on both edges of each blade plate are made parallel to each other to face the virtual convex conical surface. The position of the cutting edge is set according to the radius line of the blade plate assembly, and the position of the cutting edge facing the virtual concave conical surface is determined by the inclination of the blade surface with respect to the virtual plane including the axis.
It is characterized in that it is set so as to be deviated in the turning direction of the cutting blade from the radius line of the blade plate assembly.
【０００６】このように構成された本発明の管端の面取
り具によれば、切断された管の端部を外框内に挿入する
と、仮想円錐面に臨ませた複数枚の刃板の各切刃が管端
縁に対し傾斜して一様に当てられるので、そのままに外
框を周方向に回すと、切刃による回し切りで管端が面取
りされてばりが除去される。この際に外框に掛ける力を
加減しながら適度の回転角度で複数回に分けて外框を回
すと、管端の仕上がりは一層きれいになる。こうして、
管端縁のばりは、作業の巧拙がなく誰でも簡単にきれい
に除去できるもので、工事の作業能率を向上することが
できる。According to the pipe end chamfering tool of the present invention constructed as described above, when the end of the cut pipe is inserted into the outer frame, each of the plurality of blade plates facing the virtual conical surface is formed. Since the cutting edge is inclined and uniformly applied to the pipe edge, if the outer frame is rotated in the circumferential direction as it is, the pipe edge is chamfered by the cutting by the cutting blade to remove the flash. At this time, if the outer frame is rotated several times at an appropriate rotation angle while adjusting the force applied to the outer frame, the finish of the pipe end becomes more beautiful. Thus
The burr on the pipe edge can be easily and cleanly removed by anyone without any skillful work, and can improve the work efficiency of the construction.
【０００７】この場合、切断された管の管端縁に生じる
ばりは、普通、管の内面側端縁と外面側端縁の両方に生
じるので、仮想凸状円錐面に臨ませた切刃では、管の内
面側端が面取りされ、仮想凹状円錐面に臨ませた切刃で
は、管の外面側端が面取りされる。従って、外框を持ち
替えて外框の向きを変えて外框に管の端部を挿入してほ
とんど同じ要領で外框を操作して管の内面側端と外面側
端の両方の面取りが的確にできる。こうして切断された
管端縁に生じるばりが全てなくなり、管端の全体的な仕
上げ精度を高めて高品質の配管工事ができる。In this case, since burrs generated on the tube end edge of the cut tube usually occur on both the inner surface side edge and the outer surface side edge of the tube, the cutting edge facing the virtual convex conical surface is used. The inner edge of the tube is chamfered, and the outer edge of the tube is chamfered by the cutting blade facing the virtual concave conical surface. Therefore, change the direction of the outer frame, change the direction of the outer frame, insert the end of the pipe into the outer frame, and operate the outer frame in almost the same way to properly chamfer both the inner and outer surface ends of the pipe. You can All burrs that occur on the pipe edge cut in this way are eliminated, and the overall finishing accuracy of the pipe end is improved, enabling high-quality piping work.
【０００８】また、仮想凸状円錐面に臨ませた切刃によ
る管の内面側端の面取りは、各刃板の内端集括部が管内
に入り込んで切刃が管の内面側端縁に当てられ、仮想凹
状円錐面に臨ませた切刃による管の外面側端縁の面取り
では、各刃板が管端部の外に覆い被さる形で切刃が管の
外面側端縁に当てられる。そこで、仮想凸状円錐面に臨
ませた切刃は、刃板集合体の半径線上で管の内面側端縁
に当てられ、該切刃による回し切りは、半径線の接線方
向に向けられた切り込みとなって管の内面側端の面取り
は的確に行われる。Further, the chamfering of the inner surface side end of the pipe by the cutting blade facing the virtual convex conical surface is such that the inner end converging part of each blade plate enters the pipe and the cutting blade is located at the inner surface side edge of the pipe. When chamfering the outer surface side edge of the pipe by the cutting edge that is applied and faces the virtual concave conical surface, the cutting edge is applied to the outer surface side edge of the pipe with each blade plate covering the outside of the pipe end. . Therefore, the cutting edge facing the virtual convex conical surface was applied to the inner surface side edge of the pipe on the radial line of the blade plate assembly, and the turning by the cutting edge was directed in the tangential direction of the radial line. A chamfer is formed on the inner surface side end of the pipe as a cut.
【０００９】また、仮想凹状円錐面に臨ませた切刃は、
これが管の外面側端縁に当たる所を通る刃板集合体の半
径線に対し切刃が傾斜して当てられ、該切刃による回し
切りには、切刃基部が先行する形で引き切りを生じ、切
り込み線を長くしての切り込みとなるので、これにより
管の外面側端縁に対する切刃の切り込みが安定して管の
外面側端の面取りも的確に行われる。The cutting edge facing the virtual concave conical surface is
This is applied with the cutting edge inclined with respect to the radius line of the blade plate assembly that passes through the edge of the outer surface side of the tube, and the turning operation by the cutting edge causes the cutting with the cutting blade base leading. Since the cut line is made longer, the cutting edge is stably cut with respect to the outer surface side edge of the tube, and the outer surface side end of the tube is chamfered accurately.
【００１０】また、本発明に係る管端の面取り具におい
て、刃板集合体を構成する上で、各刃板の内端を刃板集
括心棒に溶接し、該刃板集括心棒周りに固形保護材を被
装した構成を採用すると、均質で堅固な刃板集合体が容
易に製作できて大量生産に適する。Further, in the chamfering tool for pipe ends according to the present invention, in constructing the blade plate assembly, the inner end of each blade plate is welded to the blade plate collecting mandrel, and the blade plate collecting mandrel is surrounded. If a solid protective material is used, a uniform and solid blade plate assembly can be easily manufactured, which is suitable for mass production.
【００１１】また、刃板集合体を構成する各刃板の外端
周りに環状連結体を被装し、該連結体を介して各刃板外
端を外框内壁面に結合した構成を採用すると、各刃板の
外端を個別に直接的に結合する構造に比べ、外框に対す
る刃板集合体の結合強度を向上できる。Further, an annular connecting member is provided around the outer end of each blade plate constituting the blade plate assembly, and the outer end of each blade plate is connected to the inner wall surface of the outer frame via the connecting member. Then, as compared with the structure in which the outer ends of the blade plates are individually and directly connected, the connection strength of the blade plate assembly to the outer frame can be improved.
【００１２】さらに、刃板集合体を外框の成型金型内に
配置して外框を合成樹脂で成型し、刃板集合体を外框内
にインサート結合した構成を採用すると、製作工程を低
減して生産性を向上でき、均質な製品が大量生産できて
安価に提供できる。Further, when the blade plate assembly is placed in a molding die for the outer frame, the outer frame is molded with a synthetic resin, and the blade plate assembly is insert-coupled into the outer frame, the manufacturing process is improved. The productivity can be reduced to improve the productivity, and a homogeneous product can be mass-produced and provided at a low cost.
【００１３】[0013]
【発明の実施の形態】以下、本発明の実施の形態を図面
に基づいて具体的に説明する。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be specifically described below with reference to the drawings.
【００１４】図１は本発明の実施の形態を示す管端の面
取り具管端の面取り具の一部を断面で示す正面図、図２
は本発明の実施の形態を示す管端の面取り具の平面図で
ある。FIG. 1 is a front view showing a part of a chamfering tool at the pipe end in section, showing a chamfering tool at the pipe end according to an embodiment of the present invention.
FIG. 3 is a plan view of a pipe end chamfering tool showing an embodiment of the present invention.
【００１５】図において、刃板集合体１は複数枚の刃板
２の内端を集括状に結合してなるもので、各刃板２は放
射方向に延び、且つ、軸心方向に傾斜させ、各刃板両縁
に切刃３，４を形成し、各刃板２の一方の刃板縁に形成
した切刃３を仮想凸状円錐面に臨ませ、他方の刃板縁に
形成した切刃４を仮想凹状円錐面に臨ませている。In the figure, a blade plate assembly 1 is formed by connecting the inner ends of a plurality of blade plates 2 in a collective manner. Each blade plate 2 extends in the radial direction and is inclined in the axial direction. Then, the cutting blades 3 and 4 are formed on both edges of each blade plate, the cutting blade 3 formed on one blade plate edge of each blade plate 2 faces the virtual convex conical surface, and is formed on the other blade plate edge. The cutting edge 4 is made to face the virtual concave conical surface.
【００１６】実施の形態では、各刃板両縁の切刃３，４
を平行させ、仮想凸状円錐面に臨ませた切刃３は刃板集
合体１の半径線ａ上に合わせて設定し、仮想凹状円錐面
に臨ませた切刃４は、刃板面の軸心線に対する傾斜によ
り、該切刃４の回し切り方向に偏倚させて設定してい
る。また、実施の形態では、各刃板２の内端を刃板集括
心棒５周りに溶接し、この溶接部を保護する固形保護材
６を刃板集括心棒５周りに被装している。なお、この固
形保護材６として実用的には、工業用セメント類が使用
される。In the embodiment, the cutting blades 3 and 4 on both edges of each blade plate are used.
And the cutting edge 3 facing the virtual convex conical surface is set according to the radius line a of the blade plate assembly 1, and the cutting blade 4 facing the virtual concave conical surface is The cutting blade 4 is biased in the turning direction by the inclination with respect to the axis. Further, in the embodiment, the inner end of each blade plate 2 is welded around the blade plate gathering mandrel 5, and the solid protective material 6 for protecting the welded portion is covered around the blade plate gathering mandrel 5. . As the solid protective material 6, industrial cements are practically used.
【００１７】外框７は合成樹脂で成型され、両端を開口
７ａ、７ｂさせた筒状をなすもので、この外框７内に刃
板集合体１を配装している。実施の形態では、各刃板２
の外端周りに環状連結体８を被装し、該連結体８を介し
て各刃板外端を外框内壁面に結合している。そして、こ
の結合には、刃板集合体１を外框７の成型金型内に配置
して外框７を成型し、刃板集合体１を外框内にインサー
ト結合している。The outer frame 7 is made of synthetic resin and has a cylindrical shape with openings 7a and 7b at both ends. The blade frame assembly 1 is mounted in the outer frame 7. In the embodiment, each blade 2
An annular connecting body 8 is mounted around the outer end of the blade, and the outer end of each blade is connected to the inner wall surface of the outer frame via the connecting body 8. For this connection, the blade plate assembly 1 is placed in a molding die for the outer frame 7, the outer frame 7 is molded, and the blade plate assembly 1 is insert-connected to the outer frame.
【００１８】なお、刃板集合体を外框内に配装するに当
たって、図示はしていないが、環状連結体周りに設けた
雄ねじを外框内壁に設けた雌ねじに螺合して刃板集合体
を外框内に着脱自在にねじ結合して配装することもでき
る。In mounting the blade plate assembly in the outer frame, although not shown, a male screw provided around the annular connecting body is screwed into a female screw provided on the inner wall of the outer frame to provide the blade plate assembly. The body can also be detachably mounted in the outer frame by screwing.
【００１９】上記構成からなる本発明の使用態様を図３
〜図４を参照しながら説明する。FIG. 3 shows a mode of use of the present invention having the above structure.
-It demonstrates, referring FIG.
【００２０】図３ 仮想凸状円錐面に臨ませた切刃３で
管Ａの内面側端Ｂを面取りする場合を示す。図３（ａ）
に示すように、面取りする管Ａの端部を外框内に挿入
し、刃板集合体１の各刃板２の内端集括部を管端部に入
り込ませると、仮想凸状円錐面に臨ませた切刃３が管Ａ
の内面側端縁Ｂに当たる。この時、図３（ｂ）に示すよ
うに、切刃３は位置的に刃板集合体１の半径線ａに合わ
せて設定しているので、この状態で外框７を回すと、管
Ａの内面側端縁Ｂにおいて切刃３は半径線ａの接線方向
に向けられた回し切りで管端の面取りが的確に行われて
ばりが除去される。FIG. 3 shows a case where the inner surface side end B of the pipe A is chamfered by the cutting edge 3 facing the virtual convex conical surface. Figure 3 (a)
As shown in Fig. 4, when the end of the pipe A to be chamfered is inserted into the outer frame and the inner end converging part of each blade plate 2 of the blade plate assembly 1 is inserted into the pipe end, a virtual convex conical surface The cutting edge 3 facing the tube A
It hits the edge B on the inner surface side. At this time, as shown in FIG. 3 (b), the cutting blade 3 is set in position according to the radius line a of the blade plate assembly 1, and therefore, when the outer frame 7 is rotated in this state, the pipe A At the inner surface side edge B of the cutting edge 3, the cutting edge 3 is a turning cut directed in the tangential direction of the radius line a, so that the pipe end is chamfered accurately to remove the flash.
【００２１】図４ 仮想凹状円錐面に臨ませた切刃４で
管Ａの外面側端縁Ｃを面取りする場合を示す。図４
（ａ）に示すように、面取りする管Ａの端部を外框内に
挿入し、刃板集合体１の各刃板２を管Ａの端部の外に覆
い被す形にすると、仮想凹状円錐面に臨ませた切刃４が
管の外面側端縁Ｃに当たる。この時、図４（ｂ）に示す
ように、切刃４が当たる管Ａの外面側端縁Ｃの所を通る
刃板集合体１の半径線ａに対し、切刃４の基部（刃板の
内端側）は刃板集合体１の軸心線から離れていて切刃４
は管Ａの外面側端縁Ｃに傾斜して当たるので、この状態
で外框７を回すと、管Ａの外面側端縁Ｃにおいて切刃４
による回し切りには、切刃基部が先行する形で切刃４の
切り込みに引き切りが生じ、これにより管Ａの外面側端
縁Ｃに対する切刃４の切り込みを安定させて管端縁の面
取りが的確に行われる。FIG. 4 shows a case where the outer surface side edge C of the pipe A is chamfered by the cutting edge 4 facing the virtual concave conical surface. Figure 4
As shown in (a), when the end portion of the pipe A to be chamfered is inserted into the outer frame and each blade plate 2 of the blade plate assembly 1 is covered outside the end portion of the pipe A, a virtual shape is obtained. The cutting edge 4 facing the concave conical surface hits the outer surface side edge C of the tube. At this time, as shown in FIG. 4 (b), the base of the cutting blade 4 (the blade plate) (Inner end side of) is away from the axis of the blade plate assembly 1 and the cutting blade 4
Hits the outer surface side edge C of the pipe A in an inclined manner. Therefore, when the outer frame 7 is rotated in this state, the cutting blade 4 is cut at the outer surface side edge C of the tube A.
In the turning cutting by, the cutting edge of the cutting edge 4 causes a pulling cut in the cutting edge base portion, thereby stabilizing the cutting edge of the cutting edge 4 with respect to the outer edge C of the pipe A and chamfering the pipe edge. Is performed accurately.
【００２２】[0022]
【発明の効果】本発明は、以上説明したような形態で実
施され、本発明の管端の面取り具によれば、切断された
管の端部を外框内に挿入して複数枚の刃板の切刃を一様
に管端縁に当て、外框を周方向に回して管端を面取りし
てばりが除去されるので、作業の巧拙がなく誰でも簡単
に管端縁のばりがきれいに除去でき、工事の作業能率を
向上することができる。また、刃板集合体は単体で構成
し、これと外框は外框成型時にインサート結合して製作
することができるので、均質な製品が大量生産できて安
価に提供できる。The present invention is embodied in the form as described above. According to the chamfering tool for pipe ends of the present invention, a plurality of blades are formed by inserting the ends of the cut pipes into the outer frame. Since the cutting edge of the plate is evenly applied to the pipe edge and the outer frame is rotated in the circumferential direction to chamfer the pipe end and the burrs are removed, anyone can easily remove the burrs on the pipe edge without skill. It can be removed cleanly and the work efficiency of construction can be improved. Further, since the blade plate assembly is configured as a single body and the outer frame and the outer frame can be manufactured by insert-joining at the time of molding the outer frame, a homogeneous product can be mass-produced and provided at low cost.
【図１】本発明の実施の形態を示す管端の面取り具管端
の面取り具の一部を断面で示す正面図である。FIG. 1 is a front view showing, in a cross-section, a part of a chamfering tool for a pipe end showing an embodiment of the present invention.
【図２】本発明の実施の形態を示す管端の面取り具の平
面図である。FIG. 2 is a plan view of a pipe end chamfering tool showing an embodiment of the present invention.
【図３】（ａ）、（ｂ）は本発明に係る管端の面取り具
の使用態様を説明するための説明図である。3 (a) and 3 (b) are explanatory views for explaining a usage mode of a chamfering tool for a pipe end according to the present invention.
【図４】（ａ）、（ｂ）は本発明に係る管端の面取り具
の使用態様を説明するための説明図である。4 (a) and 4 (b) are explanatory views for explaining a mode of use of the pipe end chamfering tool according to the present invention.
１ 刃板集合体 ２ 刃板 ３ 切刃 ４ 切刃 ５ 刃板集括心棒 ６ 固形保護材 ７ 外框 ７ａ、７ｂ 外框の開口 ８ 環状連結体 Ａ 管 Ｂ 管の外面側端縁 Ｃ 管の内面側端縁 1 blade plate assembly 2 blades 3 cutting edges 4 cutting edges 5 Blade plate collecting mandrel 6 solid protective material 7 outer frame 7a, 7b Outer frame opening 8 annular connection A pipe Outer edge of B pipe Inner edge of C pipe
Claims (3)
した複数枚の刃板の内端を集括状に結合し、各刃板の一
方の縁に形成した切刃を仮想凸状円錐面に臨ませ、他方
の縁に形成した切刃を仮想凹状円錐面に臨ませて刃板集
合体を構成し、該刃板集合体を筒状外框内に配装した管
端の面取り具において、各刃板両縁に形成した切刃を平
行させ、仮想凸状円錐面に臨ませた切刃の位置は、刃板
集合体の半径線上に合わせて設定し、仮想凹状円錐面に
臨ませた切刃の位置は、軸心線を含む仮想平面に対する
刃板面の傾斜により、刃板集合体の半径線より該切刃の
回し切り方向に偏倚させて設定したことを特徴とする管
端の面取り具。1. A cutting edge formed on one edge of each blade plate is formed into a virtual convex shape by connecting the inner ends of a plurality of blade plates extending in the radial direction and inclined in the axial direction in a collective shape. The conical surface is faced, the cutting edge formed on the other edge is confronted with the virtual concave conical surface to form a blade plate assembly, and the blade plate assembly is chamfered at the end of the pipe arranged in the cylindrical outer frame. In the tool, the cutting edges formed on both edges of each blade are parallel, the position of the cutting edge facing the virtual convex conical surface is set according to the radial line of the blade assembly, and the virtual concave conical surface is set. The position of the facing cutting edge is relative to the virtual plane including the axis.
A chamfering tool for a pipe end, which is set so as to be deviated in a turning direction of the cutting blade from a radius line of the blade plate assembly by the inclination of the blade plate surface .
該刃板集括心棒周りに固形保護材を被装したことを特徴
とする請求項１に記載の管端の面取り具。2. The inner end of each blade plate is welded to the blade plate collecting mandrel,
The chamfering tool for pipe ends according to claim 1, wherein a solid protective material is coated around the blade plate concentrating mandrel.
し、該連結体を介して各刃板外端を外框内壁面に結合し
たことを特徴とする請求項１又は２記載の管端の面取り
具。3. The annular connecting body is provided around the outer end of each blade plate, and the outer end of each blade plate is connected to the inner wall surface of the outer frame via the connecting body. Chamfer for pipe end as described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP36957699A JP3449606B2 (en) | 1999-12-27 | 1999-12-27 | Pipe end chamfer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP36957699A JP3449606B2 (en) | 1999-12-27 | 1999-12-27 | Pipe end chamfer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001179537A JP2001179537A (en) | 2001-07-03 |
| JP3449606B2 true JP3449606B2 (en) | 2003-09-22 |
Family
ID=18494788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP36957699A Expired - Fee Related JP3449606B2 (en) | 1999-12-27 | 1999-12-27 | Pipe end chamfer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3449606B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4907790B2 (en) * | 2001-06-27 | 2012-04-04 | 静雄 三島 | Processing member provided with a piece capable of applying pressure for processing |
| US7104737B1 (en) * | 2005-03-18 | 2006-09-12 | Rick Shane Rider | Pipe beveling tool and method |
| CN103143787B (en) * | 2013-03-22 | 2016-03-02 | 宁波明欣化工机械有限责任公司 | Large-scale tube sheet tack device |
-
1999
- 1999-12-27 JP JP36957699A patent/JP3449606B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2001179537A (en) | 2001-07-03 |
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| LAPS | Cancellation because of no payment of annual fees |