JP5279778B2 - 一対の管要素の対向端における連結方法 - Google Patents
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L17/00—Joints with packing adapted to sealing by fluid pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L17/00—Joints with packing adapted to sealing by fluid pressure
- F16L17/02—Joints with packing adapted to sealing by fluid pressure with sealing rings arranged between outer surface of pipe and inner surface of sleeve or socket
- F16L17/04—Joints with packing adapted to sealing by fluid pressure with sealing rings arranged between outer surface of pipe and inner surface of sleeve or socket with longitudinally split or divided sleeve
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/002—Sleeves or nipples for pipes of the same diameter; Reduction pieces
- F16L21/005—Sleeves or nipples for pipes of the same diameter; Reduction pieces made of elastic material, e.g. partly or completely surrounded by clamping devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/06—Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe-ends
- F16L21/065—Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe-ends tightened by tangentially-arranged threaded pins
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/04—Flanged joints the flanges being connected by members tensioned in the radial plane
- F16L23/08—Flanged joints the flanges being connected by members tensioned in the radial plane connection by tangentially arranged pin and nut
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L25/00—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
- F16L25/14—Joints for pipes of different diameters or cross-section
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/53987—Tube, sleeve or ferrule
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Joints With Sleeves (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Clamps And Clips (AREA)
- Gasket Seals (AREA)
- Joints With Pressure Members (AREA)
- Joints Allowing Movement (AREA)
- Rotary Pumps (AREA)
Description
着できるならば、多くの時間、労力及び費用が節約される。
る。連結部材はセグメントの第1及び第2端部に据え付けられる。連結部材は第1及び第2端部を互いに近づくように引き寄せるために調整締結可能である。帯体は変形可能であり、連結部材の調整締結に際して、第1及び第2端部を互いに接近移動させる。従って、弓形面は管要素外面と係合させられて、その湾曲は管要素外面の湾曲と一致する。
(A)中心空間を包囲しつつ端同士が互いに取り付けられる複数の継手セグメントを有する管継手を供給する工程と、
(B)管要素端部を中心空間に挿入する工程と、
(C)弓形面を管要素の外面に係合させるべく継手セグメントを互いに接近する方向へ引き寄せる工程とを含む。
手セグメント12及び14から形成される。管要素の端部は、円柱状断面の外面20及び22夫々を有する。
が許容される。セグメントはまた、著しい塑性変形をも有するように構成されており、変形はセグメントに恒久的なゆがみを与える。実際の継手では、締結具の締結によって、セグメントには塑性及び弾性変形両方が一般的に生じる。また、セグメント12及び14が変形していない状態にある時には(図2)、突起部24及び26は相互に角度をなして配向される。約10度までの相対角度62が実際的である。図3に示すように、突起部24及び26の相対角度配向は、セグメントが変形させられるにつれて減少すると共に、弓形面32及び34が外面20及び22と一致した時に、突起部が平行になるように外径寸法は構成される。これは、完全に締結された時に、ボルト頭部及びナットが突起部と均一に接触することにより、ボルトの恒久的な変形を生じさせる誘発されているボルトの曲げモーメントの発生を防止することから好ましい。シール44はまた、図1Bに示すように、本過程によっても変形させられ、縁46は管要素外面20及び22と完全係合させられる。シール44は圧縮不能であるので、セグメントによって圧縮させられた時に膨張する空間が備えられなければならない。この空間は側壁38間の後壁40に位置決めされる凹部64によって与えられる。凹部64はいかなる実際的な形状をなしてもよく、また加熱され或いは流体にさらされた時にシールの容積変化を可能にすることにより、シールの円周全体へより均一に変形を割り当てると共に、シールが突起部の間のセグメントから外方に押し出る傾向を軽減する。凹部はまた、舌部48が存在するのであれば、舌部48が管要素の端部間に押し付けられるのを阻止すると共に、舌部48を通る流れを妨げる。
構成は相互に同一の直径を有する管を互いに連結するのに適当であるが、図9は直径が異なる管要素を連結する継手実施形態76を示す。継手76は二個のセグメント78及び80から形成される(が二個以上のセグメントを有してもよい)。各セグメントは第1曲率半径84を有する第1弓形面82と、第1曲率半径84よりも小さい第2曲率半径88を有する第2弓形面86を有する。これにより継手76は、より大きな直径を有する管要素90をより小さな直径を有する管要素92と連結させる。上述した継手に類似して、曲率半径84は管要素90の外面の曲率半径よりも大きく、また曲率半径88は管要素92の曲率半径よりも大きい。この形状寸法関係によれば、管要素90及び92は先組みされた継手76に挿入され得ると共に、本発明の効果を達成する。継手セグメント78及び80は、曲率半径を管要素外面と一致させるために、調整可能な連結部材によって力を作用させることにより変形する。
溝と係合させると共に、ジョイントの全ての軸に剛性を加える。同じ傾斜を備えた面部を有する継手セグメントでは、継手は同じ効果を得るように、管に沿って反対方向に互いに相対移動する。
19に示すように、蝶番218が端部198及び200の間に設けられる。蝶番218は好適には帯体端部から等距離に位置決めされると共に、無限の屈曲柔軟性を与えて、端部198及び200を互いに近づくように引き寄せるために締結具に必要とされるトルクを減少させる。面半径を管要素外面の半径と一致させるために、弓形面210が管要素外面と係合する時にも、帯体194は変形する。蝶番が存在する時には、管要素が挿入されるように、突起部202及び204を離れた状態で維持するようにシール214は寸法が決められる。上述した蝶番が存在するもの及び蝶番が存在しないものの両方において、図9に示すように、継手192が異なる直径を有する管を連結するために使用されるのを可能にするために、弓形面は好適には帯体から半径方向内方に突出すると共に、相互に異なる曲率半径を有する。
出する締結具280によって一緒に保持される。好適にはブロック形状体284の形状をなすスペーサ282は、突起部266及び268の間に位置決めされる。ブロック形状体284は、締結具が締結されるのを可能にすると共に、セグメントを引き寄せて連結される管要素と係合させるために、突起部の間を移動可能である。
た個片部品を管理する必要性をなくす。
Claims (15)
- 一対の管要素を、円柱状外面を備える対向端部同士で固定する方法であって、
前記管要素の外面と係合するように構成される弓形面を有する複数の継手セグメントを中央の空間を包囲するように互いに取り付けて、前記継手セグメントを互いに間隔をあけた状態で位置決めするように寸法が決められた外径を有する円形状のリングである可撓弾性シールで所定間隔離間させられることにより前記管要素の前記端部同士が前記継手セグメント間に挿入されるのを可能にする管継手を構成する工程と、
前記管要素の端部を中央の空間へ挿入する工程と、
前記弓形面を管要素の外面に係合させるべく前記継手セグメントを互いに接近する方向へ引き寄せる工程と
を含むことを特徴とする方法。 - 前記管要素の端部を中央の空間に挿入した時、可撓弾性シールの内周から径方向内方に突出するように可撓弾性シールの内周に沿って延びる舌部に管要素の端部を係合させる工程を含む請求項1に記載の方法。
- 前記管要素の端部を中央の空間に挿入した時、可撓弾性シールの両側から径方向内方かつ挿入方向に傾斜して突出するように可撓弾性シールの内周に沿って延びる縁に管要素の端部を係合させる工程を含む請求項1又は2に記載の方法。
- 前記弓形面は前記継手セグメントから半径方向内方に突出する少なくとも一個の歯を含み、該歯は前記管要素外面を把持すると共に機械的拘束力をもたらすものである請求項1乃至3のいずれかに記載の方法。
- 前記弓形面を管要素の外面端部において周方向に延びる溝に係合させる工程を含む請求項1乃至4のいずれかに記載の方法。
- 直径が異なる管要素を連結するために、前記弓形面の一方は他方の前記弓形面よりも小さい曲率半径を有する請求項1乃至5のいずれかに記載の方法。
- 前記弓形面の一方又は両方に1個以上の切欠を有し、該切欠は前記継手セグメントの屈曲柔軟性を増加させる請求項1乃至6のいずれかに記載の方法。
- 前記継手セグメントの各端に設けた突起は他の継手セグメントの各端における突起と対向し、突起は継手セグメントを互いに連結すべく調整可能に締付ける締付け具を受容し、前記継手セグメントを互いに接近する方向へ引き寄せる工程は締付け具を締付ける工程を含む請求項1乃至7のいずれかに記載の方法。
- 一対の管要素を、円柱状外面を備える対向端部同士で固定するための管継手であって、
前記管要素の外面と係合するように構成される弓形面を有する複数の継手セグメントが中央の空間を包囲するように互いに取り付けられて先組みされ、
前記継手セグメントは、前記中央の空間へ挿入された前記管要素の端部外面に前記弓形面を係合させるべく互いに接近する方向へ引き寄せ可能であり、
前記継手セグメントを互いに間隔をあけた状態で位置決めするように寸法が決められた外径を有するとともに、予めそれによって前記継手セグメントが所定間隔離間させられることにより、前記管要素の前記端部同士が前記継手セグメント間に挿入されるよう、前記管要素の端部を受け入れる内径寸法を有する、前記管要素間を密封する円形状のリングである可撓弾性シールを含み、
前記可撓弾性シールの両側径方向内方かつ挿入方向に傾斜して突出するように前記可撓弾性シールの内周に沿って延びる縁を含む、管継手。 - 可撓弾性シールの内周から径方向内方に突出するように可撓弾性シールの内周に沿って延びる舌部を含む請求項9に記載の管継手。
- 前記弓形面は前記継手セグメントから半径方向内方に突出する少なくとも一個の歯を含み、該歯は前記管要素外面を把持すると共に機械的拘束力をもたらすものである請求項9乃至10のいずれかに記載の管継手。
- 前記弓形面を管要素の外面端部において周方向に延びる溝を含む請求項9乃至11のいずれかに記載の管継手。
- 直径が異なる管要素を連結するために、前記弓形面の一方は他方の前記弓形面よりも小さい曲率半径を有する請求項9乃至12のいずれかに記載の管継手。
- 前記弓形面の一方又は両方に1個以上の切欠を有し、該切欠は前記継手セグメントの屈曲柔軟性を増加させる請求項9乃至13のいずれかに記載の管継手。
- 前記継手セグメントの各端に設けた突起は他の継手セグメントの各端における突起と対向し、突起は継手セグメントを互いに連結すべく調整可能に締付ける締付け具を受容する請求項9乃至14のいずれかに記載の管継手。
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US (14) | US7086131B2 (ja) |
EP (6) | EP2405171B1 (ja) |
JP (4) | JP4659824B2 (ja) |
KR (1) | KR101244771B1 (ja) |
CN (7) | CN101091081B (ja) |
AU (3) | AU2005245821B2 (ja) |
CA (6) | CA2566271C (ja) |
DE (1) | DE602005025634D1 (ja) |
HK (2) | HK1100450A1 (ja) |
IL (2) | IL178978A (ja) |
MX (1) | MXPA06013174A (ja) |
SG (2) | SG153823A1 (ja) |
TW (9) | TWD141871S1 (ja) |
WO (6) | WO2005114025A2 (ja) |
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