JPH10185023A - Joint structure for pipe material - Google Patents
Joint structure for pipe materialInfo
- Publication number
- JPH10185023A JPH10185023A JP35009096A JP35009096A JPH10185023A JP H10185023 A JPH10185023 A JP H10185023A JP 35009096 A JP35009096 A JP 35009096A JP 35009096 A JP35009096 A JP 35009096A JP H10185023 A JPH10185023 A JP H10185023A
- Authority
- JP
- Japan
- Prior art keywords
- seal
- pipe
- housing
- joint structure
- flange
- 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.)
- Withdrawn
Links
Landscapes
- Joints With Pressure Members (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、管材の接合構造に
関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pipe joint structure.
【０００２】[0002]
【従来の技術】管材を接合する方法には、図１０に示す
ように、管２０の端部にフランジ２１を溶接２２し、こ
のフランジ２１間にシール材２５を挟み込んでボルト２
３とナット２４で緊締する方法、或いは図１１に示すよ
うに、管３０の端をフレア加工３１してこのフレア加工
部３１間にシール材３５を挟んでフレア加工部３１をボ
ルト３３とナット３４で緊締する方法、或いは図１２に
示すように、管４０の端部にフランジ加工４３した接合
短管４１を溶接４２し、この接合短管４１間にシール材
４６を挟み込んでフランジ加工部４３をボルト４４とナ
ット４５で緊締する方法等が代表例である。2. Description of the Related Art As shown in FIG. 10, a flange 21 is welded 22 to an end of a pipe 20, and a sealing material 25 is inserted between the flanges 21 to form a bolt 2 as shown in FIG.
3 or a nut 24, or as shown in FIG. 11, the end of the tube 30 is flared 31 and the flared portion 31 is bolted to the bolt 33 and the nut 34 with the sealing material 35 interposed between the flared portions 31. As shown in FIG. 12, a welding short pipe 41 having a flange 43 is welded 42 to the end of the pipe 40, and a sealing material 46 is sandwiched between the welding short pipes 41 to form a flange processing section 43. A typical example is a method of tightening with a bolt 44 and a nut 45.
【０００３】しかし、上記接合構造にあっては次のよう
な欠点がある。 １．図１０に示すフランジ２１を溶接する方法の場合、
熟練した溶接作業者が必要であると共に、フランジ２１
の接合面が管軸に対して直角に溶接されていないと、接
合面においてシール材２５を挟圧する面圧分布が不均一
になり、シール性が悪くなる。However, the above-mentioned joint structure has the following disadvantages. 1. In the case of the method of welding the flange 21 shown in FIG.
A skilled welding worker is required and the flange 21
If the joint surface is not welded at right angles to the pipe axis, the distribution of the surface pressure that presses the sealing material 25 at the joint surface becomes non-uniform, resulting in poor sealing performance.
【０００４】２．図１１に示すフレア加工方法にあって
は、このフレア加工部３１の肉厚が管３０側の肉厚より
も薄くなるため、強度上に問題がある。 ３．図１２に示す短管４１を溶接４２する方法にあって
は、溶接作業が入る分、接合作業に時間がかかり、又、
短管４１を用いる分コストがかかるという問題がある。[0004] 2. In the flare processing method shown in FIG. 11, since the thickness of the flare processing portion 31 is smaller than the thickness of the tube 30 side, there is a problem in strength. 3. In the method of welding the short pipe 41 shown in FIG. 12, the welding operation takes a long time due to the welding operation, and
There is a problem that the use of the short tube 41 increases the cost.
【０００５】４．フランジをボルトとナットで固定する
場合、片締めが発生し、シール性が悪くなる例が多い。 ５．フランジをボルトとナットで固定する場合、大口径
の管になればなる程、ボルトとナットの数が多くなるこ
とから、固定作業に時間がかかると共に、重量が増大
し、更に部品コストが増大する。 ６．フランジの場合、管径に対して可成り大径になるこ
とから、壁貫通配管を行う場合にはこの貫通穴を大径に
する必要がある。[0005] 4. When the flange is fixed with bolts and nuts, there are many cases where one-sided tightening occurs and the sealing performance deteriorates. 5. When the flange is fixed with bolts and nuts, the larger the diameter of the pipe becomes, the larger the number of bolts and nuts becomes, so the fixing work takes time, the weight increases, and the parts cost increases. . 6. In the case of a flange, the diameter becomes considerably larger than the diameter of the pipe. Therefore, it is necessary to increase the diameter of this through-hole when performing pipe penetration through a wall.
【０００６】[0006]
【発明が解決しようとする課題】本発明の課題は、上記
１〜６に記述した問題点を解消した管材の接合構造を提
供することである。SUMMARY OF THE INVENTION It is an object of the present invention to provide a joint structure for pipes which solves the problems described in the above items 1 to 6.
【０００７】[0007]
【課題を解決するための手段】本発明者は、上記課題を
解決する手段について鋭意研究を重ねた結果、次の接合
手段が最も好ましい結果を得たので、ここに提案する。Means for Solving the Problems The present inventor has conducted intensive studies on means for solving the above-mentioned problems, and as a result, the following joining means has obtained the most preferable results.
【０００８】１．管端に鍔加工部を形成すると共に、前
記鍔加工部の端面に断面円弧状のシール凸面を形成し、
更に前記鍔加工部の背面にテーパー部を形成したこと、
リング状シール材の両面には、前記鍔加工部の端面に形
成されたシール凸面と同一曲率のシール凹面を形成した
こと、接合対象管材を対向させてこの接合面に前記シー
ル材を挟み込み、その上で管材を互いに軸方向に引き寄
せて緊締するためのハウジングは、その内側に前記鍔加
工部の背面に形成したテーパー部に接合する緊締用テー
パー部を有し、当該ハウジングを緊締手段で管の中心方
向に収径させたときに、テーパー作用で管を互いに引き
寄せてシール材を挟圧し、このとき発生する密着作用に
よりシールを確保し、併せて管材を接合すること、を特
徴とする管材の接合構造。[0008] 1. While forming a flange processing portion at the pipe end, forming a seal convex surface having an arc-shaped cross section on the end surface of the flange processing portion,
Furthermore, that a taper portion is formed on the back surface of the flange processing portion,
On both surfaces of the ring-shaped seal material, a seal concave surface having the same curvature as the seal convex surface formed on the end face of the flange processed portion was formed, the pipe material to be welded was opposed, and the seal material was sandwiched between the joint surfaces. A housing for pulling the tube members in the axial direction above and tightening the tube material has a tightening taper portion joined to a taper portion formed on the back surface of the flange processed portion inside the housing, and the housing is tightened by a tightening means. When the diameter is reduced in the center direction, the pipes are drawn toward each other by a taper action to squeeze the seal material, a seal is secured by the close contact action generated at this time, and the pipe material is joined together, Joint structure.
【０００９】２．シール材内に内径側からスリットを経
由して中空部を形成して成る前記１記載の管材の接合構
造。[0009] 2. 2. The joining structure for pipe material according to the above item 1, wherein a hollow portion is formed in the sealing material from the inner diameter side through a slit.
【００１０】３．鍔加工部の外周端の背面側に係合凹部
を形成すると共に、シール材側に前記係合凹部に係合す
る爪部を形成して、施工時にシール材を一方の管端に取
り付けておくことができるように構成して成る前記１記
載の管材の接合構造。[0010] 3. An engagement concave portion is formed on the back side of the outer peripheral end of the flange processed portion, and a claw portion that engages with the engagement concave portion is formed on the seal material side, and the seal material is attached to one pipe end at the time of construction. 2. A joining structure for a pipe material according to the above item 1, wherein the joining structure is configured to be capable of performing the following.
【００１１】４．ハウジングは、複数に分割が可能であ
って、この分割されたハウジングをクランプすることに
より収径できるように構成して成る前記１記載の管材の
接合構造。4. 2. The pipe joint structure according to claim 1, wherein the housing can be divided into a plurality of parts, and the diameter of the divided housing can be reduced by clamping the divided housing.
【００１２】５．管端を外側にカールして円弧状のシー
ル凸面を形成し、このシール凸面の裏側に外面にテーパ
ー部を有し、内面に前記カール部の裏側に嵌合する凸部
を形成した押し金具を当てて鍔加工部を形成して成る前
記１記載の管材の接合構造。5. A pipe fitting is formed by curling the pipe end outward to form an arc-shaped seal convex surface, having a tapered portion on the outer surface on the back side of the convex surface of the seal, and forming a convex portion on the inner surface to be fitted on the back side of the curled portion. 2. The joint structure for a pipe member according to the above item 1, wherein the flange portion is formed by abutting.
【００１３】[0013]
【作用】接合を行う場合には、鍔加工した管の端面間に
シール材を挟み込み、この外側に二分割又は三分割又は
それ以上に分割されたハウジングを被せてこのハウジン
グを緊締手段を用いて緊締すると、テーパー作用により
鍔加工部が互いにに引き寄せられてシール材を挟圧し、
このシール材でシールが保持され、且つ管同士が連結さ
れる。In order to perform the joining, a sealing material is sandwiched between the end faces of the flange-processed pipe, and a housing divided into two, three or more parts is placed on the outside of the sealing material, and the housing is tightened by a tightening means. When tightened, the flange processing parts are attracted to each other by the taper action and pinch the seal material,
The seal material holds the seal and connects the tubes.
【００１４】[0014]
［実施例１］図１は本発明に係る接合構造の一実施例を
示す外観図、図２は接合部分の断面図、図３はＡ−Ａ′
線断面図である。図中符号の１、１ａは接合対象管材、
２、２ａはこの管材１、１ａの管端に形成された鍔加工
部であって、この鍔加工部２、２ａの正面側は断面円弧
状にシール凸面３、３ａが加工されていると共に、背面
には、テーパー部４、４ａが形成されている。[Embodiment 1] FIG. 1 is an external view showing an embodiment of a joint structure according to the present invention, FIG. 2 is a sectional view of a joint portion, and FIG.
It is a line sectional view. Reference numerals 1 and 1a in the figure represent pipes to be joined,
Reference numerals 2 and 2a denote flanged portions formed on the pipe ends of the pipe members 1 and 1a. The front side of the flanged portions 2 and 2a has seal convex surfaces 3 and 3a formed in an arc-shaped cross section. Tapered portions 4 and 4a are formed on the back surface.
【００１５】５はシール材であって、この両面には前記
シール凸面３、３ａと同一曲率のシール凹面６、６ａが
加工されている。なお、実施例のシール材５はゴムリン
グである。Numeral 5 is a seal material, on both sides of which seal concave surfaces 6, 6a having the same curvature as the seal convex surfaces 3, 3a are machined. Note that the seal member 5 of the embodiment is a rubber ring.
【００１６】７、７ａはハウジングであって、このハウ
ジング７、７ａは、内面に前記鍔加工部２、２ａのテー
パー部４、４ａに接合して摺動する緊締用テーパー部
８、８ａが形成されている。なお、実施例のハウジング
７、７ａは二つ割であるが、三つ割であってもよい。
又、二つ割のハウジング７、７ａの一方を連結し、他を
開放してここをボルトとナットで、又はレバー等を用い
て締め付ける方式のものであってもよい。図１におい
て、９はハウジング７、７ａをその両サイドで連結し、
緊締するための緊締ボルト、１０はナットである。Reference numerals 7 and 7a denote housings, and the housings 7 and 7a are formed on their inner surfaces with tightening taper portions 8 and 8a which are joined to the tapered portions 4 and 4a of the flange processed portions 2 and 2a and slide. Have been. Although the housings 7 and 7a of the embodiment are divided into two, they may be divided into three.
Alternatively, a method may be used in which one of the two housings 7 and 7a is connected, the other is opened, and the other is opened and tightened with a bolt and a nut or using a lever or the like. In FIG. 1, 9 connects housings 7, 7a on both sides thereof,
A tightening bolt 10 for tightening is a nut.
【００１７】上記構成の接合構造によると、図１、図３
に示すように、管材１、１ａを互いに突き合わせてこの
間にシール材５を挟み込み、鍔加工部２、２ａの外側に
ハウジング７、７ａを被せてこのハウジング７、７ａの
両サイドをボルト９とナット１０で締め付けると、テー
パー部４、４ａ、８、８ａの作用でシール材５が挟圧さ
れてシールが確保される。管材１、１ａを分離する場合
には、ボルト９とナット１０を外して、ハウジング７、
７ａを二分割し、これを鍔加工部２、２ａから取り外す
だけでよい。According to the joint structure having the above structure, FIGS.
As shown in the figure, the tube members 1 and 1a are butted against each other, the seal member 5 is interposed therebetween, and the housings 7 and 7a are put on the outside of the flanged portions 2 and 2a, and both sides of the housings 7 and 7a are bolted with nuts 9 and nuts. When tightened at 10, the sealing material 5 is squeezed by the action of the tapered portions 4, 4a, 8, 8a to secure the seal. When separating the pipes 1 and 1a, the bolt 9 and the nut 10 are removed and the housing 7,
It is only necessary to split the 7a into two parts and remove them from the flange processing parts 2, 2a.
【００１８】図４は、鍔加工部２ａの外周の背面側に係
合凹部１１を形成すると共に、シール材５側に爪部１２
を形成して、接合を行う場合に、爪部１２を係合凹部１
１に係合させることにより、シール材５を一方の管端に
取り付けておき、作業がし易いように工夫した実施例で
ある。但し、このシール材５の爪部１２は、図５（Ａ）
（Ｂ）に示すように、シール材５の両側に形成してもよ
い。又、爪部１２は、図６（Ａ）（Ｂ）に示すように、
複数箇所に形成してもよい。又、爪部１２は、図７
（Ａ）（Ｂ）に示すように、別に形成したプラスチック
製又は金属製の爪材１２ａを埋め込んで形成してもよ
い。図８は、シール材５内をスリット１３ａに続く中空
１３に形成して正圧に対するセルフシール性能の向上を
図った実施例である。FIG. 4 shows that an engaging recess 11 is formed on the back side of the outer periphery of the flange processed portion 2a, and a claw 12 is formed on the sealing material 5 side.
Is formed, and when joining is performed, the claw portion 12 is
This is an embodiment in which the sealing member 5 is attached to one of the pipe ends by engaging with the tube 1 to facilitate the work. However, the claw portion 12 of the sealing material 5 is not shown in FIG.
As shown in (B), it may be formed on both sides of the sealing material 5. In addition, as shown in FIGS. 6A and 6B,
It may be formed at a plurality of locations. Further, the claw portion 12 is shown in FIG.
(A) As shown in (B), a plastic or metal nail material 12a separately formed may be embedded and formed. FIG. 8 shows an embodiment in which the inside of the sealing material 5 is formed in the hollow 13 following the slit 13a to improve the self-sealing performance against a positive pressure.
【００１９】［実施例２］図９は、鍔加工部の他の実施
例であって、この実施例においては、接合対象となる管
材１、１ａの管端を外側にカールして円弧状のシール凸
面１４、１４ａを形成し、このシール凸面１４、１４ａ
の裏側に外面にテーパー部１６、１６ａを形成し、前面
に前記カール部の裏側に嵌合する凸部１７、１７ａを形
成した押し金具１５、１５ａを当てて鍔加工部２、２ａ
とした実施例である。なお、押し金具１５、１５ａは二
つ割、又は三つ割、又はそれ以上であってもよい。[Embodiment 2] FIG. 9 shows another embodiment of the flange processing portion. In this embodiment, the pipe ends of the pipe members 1 and 1a to be joined are curled outward to form an arc. Forming the sealing convex surfaces 14, 14a, and forming the sealing convex surfaces 14, 14a;
The tapered portions 16 and 16a are formed on the outer surface on the back side of the front surface, and the press fittings 15 and 15a formed on the front surface are formed with the convex portions 17 and 17a fitted on the back side of the curl portion.
This is an embodiment of the present invention. The press fittings 15 and 15a may be divided into two, three or three, or more.
【００２０】上記実施例１、２の場合、鍔加工部は管端
を直接加工しているが、別に鍔加工部を形成した短管を
管端に溶接するようにしてもよい。In the first and second embodiments, the flanged portion is directly processed at the pipe end. However, a short pipe having a separately formed flanged portion may be welded to the pipe end.
【００２１】[0021]
【発明の効果】本発明の効果は次のとおりである。 １．接合構造において、鍔加工部を冷間又は熱間で加工
することにより、溶接箇所がなく、よって熟練した溶接
作業員が不要である。 ２．シール材を挟み込み、ハウジングを被せて締め付け
るだけで接合が終了するので、作業が非常に簡単であ
る。The effects of the present invention are as follows. 1. In the joining structure, by processing the flange processed portion cold or hot, there is no welding portion, and thus, a skilled welding worker is not required. 2. Since the joining is completed only by sandwiching the sealing material, covering the housing and tightening, the operation is very simple.
【００２２】３．鍔加工部の正面に円弧状のシール凸面
を加工し、一方、シール材にはこのシール面に密着する
シール凹面を形成したので、シール面積の拡大と、曲面
でシールすることになることから、正圧、負圧の何れに
対してもセルフシール性能が得られる。3. An arc-shaped seal convex surface was machined on the front of the flange processed portion, while the seal material was formed with a seal concave surface that closely adhered to the seal surface, so that the seal area would be increased and sealing would be performed with a curved surface. Self-sealing performance can be obtained for both positive pressure and negative pressure.
【００２３】４．鍔加工部を管材の肉厚よりも厚く形成
することにより、接合強度が落ちない。 ５．鍔加工部側に係合凹部を形成し、シール材側に爪部
を形成しておくことにより、接合作業時にシール材を予
め管端に装着しておくことができるので、作業がやり易
い。4. By forming the flange processed portion thicker than the wall thickness of the pipe material, the joining strength does not decrease. 5. By forming the engagement concave portion on the flange processed portion side and forming the claw portion on the seal material side, the seal material can be attached to the pipe end in advance during the joining operation, so that the operation is easy to perform.
【００２４】６．シール材内に中空部を形成したことに
より、特に正圧に対するセルフシール性能が向上する。 ７．構造が簡単なため、接合作業に時間がかからないと
共に、接合部分の小型化と重量の軽量化が可能であると
共に、従来例に比較してコストの低減が可能である。6. By forming the hollow portion in the sealing material, the self-sealing performance particularly against a positive pressure is improved. 7. Since the structure is simple, the joining operation does not take much time, the joining portion can be reduced in size and weight, and the cost can be reduced as compared with the conventional example.
【図１】本発明に係る接合構造全体の説明図。FIG. 1 is an explanatory view of the entire bonding structure according to the present invention.
【図２】接合構造部分の断面図。FIG. 2 is a cross-sectional view of a joint structure portion.
【図３】Ａ−Ａ′線断面図。FIG. 3 is a sectional view taken along line AA ′.
【図４】シール材に爪部を形成した実施例の説明図。FIG. 4 is an explanatory view of an embodiment in which a claw portion is formed on a sealing material.
【図５】両面に爪部を形成したシール材の説明図。FIG. 5 is an explanatory view of a sealing material having claw portions formed on both sides.
【図６】片面に爪部を形成した実施例の説明図。FIG. 6 is an explanatory view of an embodiment in which a claw portion is formed on one surface.
【図７】爪部を別材で形成した実施例の説明図。FIG. 7 is an explanatory view of an embodiment in which a claw portion is formed of a different material.
【図８】シール材を中空に形成した実施例の説明図。FIG. 8 is an explanatory view of an embodiment in which a sealing material is formed hollow.
【図９】管端をカールすると共に押し金具を用いて鍔加
工部を形成した実施例の説明図。FIG. 9 is an explanatory view of an embodiment in which a pipe end is curled and a flange processed portion is formed using a press fitting.
【図１０】管端にフランジを溶接する接合例の説明図。FIG. 10 is an explanatory diagram of a joining example in which a flange is welded to a pipe end.
【図１１】フランジ加工した接合例の説明図。FIG. 11 is an explanatory diagram of an example of a flange-bonded connection.
【図１２】短管を用いる接合例の説明図。FIG. 12 is an explanatory diagram of a joining example using a short tube.
１、１ａ 接合対象管材 ２、２ａ 鍔加工部 ３、３ａ シール凸面 ４、４ａ テーパー部 ５ シール材 ６、６ａ シール凹面 ７、７ａ ハウジング ８、８ａ 緊締用テーパー部 ９ 緊締ボルト １０ ナット １１ 係合凹部 １２ 爪部 １３ 中空部 １４、１４ａ シール凸面 １５、１５ａ 押し金具 １６、１６ａ テーパー部 １７、１７ａ 凸部 DESCRIPTION OF SYMBOLS 1, 1a Pipe material to be joined 2, 2a Flange processing part 3, 3a Seal convex surface 4, 4a Taper part 5 Seal material 6, 6a Seal concave surface 7, 7a Housing 8, 8a Tightening taper part 9 Tightening bolt 10 Nut 11 Engaging recess 12 Claw portion 13 Hollow portion 14, 14a Seal convex surface 15, 15a Press fitting 16, 16a Tapered portion 17, 17a Convex portion
Claims (5)
鍔加工部の端面に断面円弧状のシール凸面を形成し、更
に前記鍔加工部の背面にテーパー部を形成したこと、 リング状シール材の両面には、前記鍔加工部の端面に形
成されたシール凸面と同一曲率のシール凹面を形成した
こと、 接合対象管材を対向させてこの接合面に前記シール材を
挟み込み、その上で管材を互いに軸方向に引き寄せて緊
締するためのハウジングは、その内側に前記鍔加工部の
背面に形成したテーパー部に接合する緊締用テーパー部
を有し、当該ハウジングを緊締手段で管の中心方向に収
径させたときに、テーパー作用で管を互いに引き寄せて
シール材を挟圧し、このとき発生する密着作用によりシ
ールを確保し、併せて管材を接合すること、 を特徴とする管材の接合構造。1. A flanged portion is formed at a pipe end, a seal convex surface having an arc-shaped cross section is formed at an end surface of the flanged portion, and a tapered portion is further formed at a back surface of the flanged portion. On both surfaces of the seal material, a seal concave surface having the same curvature as the seal convex surface formed on the end face of the flange processed portion was formed. The pipe material to be welded was opposed, and the seal material was sandwiched between the joint surfaces. A housing for pulling the tubes in the axial direction to tighten them has a taper portion for tightening, which is joined to a taper portion formed on the back surface of the flanged portion, inside the housing. When the diameter is reduced, the pipes are drawn toward each other by a taper action to squeeze the seal material, and the sealing action generated at this time secures the seal and joins the pipe materials together. Construction.
して中空部を形成して成る請求項１記載の管材の接合構
造。2. The pipe joint structure according to claim 1, wherein a hollow portion is formed in the seal material from the inner diameter side through a slit.
形成すると共に、シール材側に前記係合凹部に係合する
爪部を形成して、施工時にシール材を一方の管端に取り
付けておくことができるように構成して成る請求項１記
載の管材の接合構造。3. An engaging recess is formed on the back side of the outer peripheral end of the flange processed portion, and a claw engaging with the engaging recess is formed on the seal material side, so that the seal material is applied to one pipe at the time of construction. 2. The joint structure for a pipe according to claim 1, wherein the joint is configured to be attached to an end.
て、この分割されたハウジングをクランプすることによ
り収径できるように構成して成る請求項１記載の管材の
接合構造。4. The pipe joint structure according to claim 1, wherein the housing can be divided into a plurality of parts, and the diameter of the divided housing can be reduced by clamping the divided housing.
凸面を形成し、このシール凸面の裏側に外面にテーパー
部を有し、内面に前記カール部の裏側に嵌合する凸部を
形成した押し金具を当てて鍔加工部を形成して成る請求
項１記載の管材の接合構造。5. A tube end is curled outward to form an arc-shaped seal convex surface, a taper portion is provided on an outer surface on a back side of the seal convex surface, and a convex portion fitted on a back side of the curl portion is provided on an inner surface. The joint structure for a pipe material according to claim 1, wherein the flanged portion is formed by applying the formed press fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35009096A JPH10185023A (en) | 1996-12-27 | 1996-12-27 | Joint structure for pipe material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35009096A JPH10185023A (en) | 1996-12-27 | 1996-12-27 | Joint structure for pipe material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH10185023A true JPH10185023A (en) | 1998-07-14 |
Family
ID=18408173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP35009096A Withdrawn JPH10185023A (en) | 1996-12-27 | 1996-12-27 | Joint structure for pipe material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH10185023A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100365342C (en) * | 2003-10-10 | 2008-01-30 | 株式会社富士特 | Piping joint for food |
| US7418850B2 (en) | 2004-06-10 | 2008-09-02 | Nippon Steel Corporation | Integrally formed flanged metal pipe and method of manufacturing thereof |
| CN100422621C (en) * | 2006-07-20 | 2008-10-01 | 三一重工股份有限公司 | Concrete conveying pipe connecting device |
| CN102454843A (en) * | 2010-10-18 | 2012-05-16 | 肖功宽 | Embedded-method anti-leakage technology for high-pressure water and gas conveyance |
-
1996
- 1996-12-27 JP JP35009096A patent/JPH10185023A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100365342C (en) * | 2003-10-10 | 2008-01-30 | 株式会社富士特 | Piping joint for food |
| US7418850B2 (en) | 2004-06-10 | 2008-09-02 | Nippon Steel Corporation | Integrally formed flanged metal pipe and method of manufacturing thereof |
| US7490631B2 (en) | 2004-06-10 | 2009-02-17 | Nippon Steel Corporation | Integrally formed flanged metal pipe and method of manufacturing thereof |
| CN100422621C (en) * | 2006-07-20 | 2008-10-01 | 三一重工股份有限公司 | Concrete conveying pipe connecting device |
| CN102454843A (en) * | 2010-10-18 | 2012-05-16 | 肖功宽 | Embedded-method anti-leakage technology for high-pressure water and gas conveyance |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1270016A (en) | Pipe lap joint with collapsible sealing zone and band clamp | |
| US4049298A (en) | Compression coupling | |
| US4165109A (en) | Wide-band compression coupling | |
| JPS63290631A (en) | Joining method for tube stock | |
| US20060162326A1 (en) | Construction of coupling exhaust pipes of vehicle | |
| JPH10185023A (en) | Joint structure for pipe material | |
| JP2003042359A (en) | Spacerless type pipe joint and packing ring used for the same | |
| EP0027140B1 (en) | Pipe coupling with open sleeve | |
| US3820831A (en) | Coupling for connecting aligned tubes | |
| JP3141837U (en) | Loose flange fitting | |
| JP4881188B2 (en) | Pipe fitting | |
| JP3428269B2 (en) | Pipe fittings | |
| JP2000230681A (en) | Connecting structure of thin stainless steel pipe to joint | |
| JPH07174269A (en) | Flare joint | |
| JP2579458Y2 (en) | Exhaust pipe joint structure for vehicles | |
| JP2021080837A (en) | Exhaust pipe structure for vehicle mounted with internal combustion engine and manufacturing method for vehicle mounted with internal combustion engine | |
| JPH09317961A (en) | Pipe joint and tubular body retaining metal fitting | |
| JPH0473489A (en) | Tube jointing method | |
| JPH1137364A (en) | Joint for metal tube | |
| JPH1089059A (en) | Connecting structure of pipe to muffler and connecting method for it | |
| JP3584303B2 (en) | Pipe fittings | |
| JPH07174270A (en) | Pipe joint structure | |
| JP2000283357A (en) | Pipe joint structure | |
| JP4583668B2 (en) | Exhaust pipe fittings | |
| JPS624788Y2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20040302 |