JP4217971B2 - 入れ子式管を継合するための固定装置および方法 - Google Patents
入れ子式管を継合するための固定装置および方法 Download PDFInfo
- Publication number
- JP4217971B2 JP4217971B2 JP2003551430A JP2003551430A JP4217971B2 JP 4217971 B2 JP4217971 B2 JP 4217971B2 JP 2003551430 A JP2003551430 A JP 2003551430A JP 2003551430 A JP2003551430 A JP 2003551430A JP 4217971 B2 JP4217971 B2 JP 4217971B2
- Authority
- JP
- Japan
- Prior art keywords
- spigot
- brake
- segment
- gasket
- bell
- 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
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Classifications
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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
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
- F16L37/0845—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of retaining members associated with the packing member
-
- 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
- F16L21/08—Joints with sleeve or socket with additional locking means
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/12—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Joints With Sleeves (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Supports For Pipes And Cables (AREA)
- Gasket Seals (AREA)
- Joints Allowing Movement (AREA)
- Clamps And Clips (AREA)
Description
発明の分野
本発明は、一般に、複数本の管の間の、または管と嵌め込み具との間の接続に関する。より特に、本発明は、過回転およびスピゴットの貫通を防止するために自己制動する固定セグメントを用いて、2本の管を束縛された管継手構造で接続する装置および方法に向けられる。
押し込み力、大地の動き、および管に加えられる外部からの機械的力のために、設置後に隣接する管の間の接続を維持する問題に、産業は多大な注意を集中している。この注意の結果は、当該分野で既知である多数の異なる解決策および対策である。これらの解決策の多くは、“押込式”管継手または“機械的管継手”の何れかに分類できる。
束縛された管継手での使用のための固定セグメントは、ベル中の2つの面の間で閉じ込
めて、それ故にスピゴット上への圧力が貫通を生じ易い位置に到達する前に回転を阻止することにより、過回転および押し込まれたスピゴットの貫通を回避する。従って該セグメントは有効な固定の程度まで回転でき、該回転により、該セグメントが管に食い込む半径方向の力が増大する。所望の最大を超えた回転を防止する閉じ込めにより、該セグメントにより該スピゴットに加えられる半径方向の力と、受ける押し込みの力との間の関係のグラフは、半径方向の力が概ね押し込みの力の増加につれて増加するが、所定の点にまでのみ増加することを表す。その点で、半径方向の力を表すグラフ線は実質的にプラトーをなす。材料および構造の選択により、該プラトーは、スピゴット貫通値以下に固定され得る。
以下に述べる本発明の目的は、択一的および例示的な目的のみであり、そして何れも、発明の実施に要求されると、または達成された目的の余すところの無い列挙であると理解されるべきでない。
図1は、管のベル中の適所で、かつ応力を受けていない位置にある本発明のガスケットおよび固定セグメントの切り取り図を図示する(スピゴットは描かれていず、スピゴットの位置は水平な点線により図示した。)。
図2は、本発明のセグメントの1つの態様を、形状について詳細に描く。
図3は、スピゴットセグメントの存在下、挿入移動の間の本発明のガスケットおよび固定セグメントの横断面図を図説する。
図4は、挿入および引抜の圧力作用に次いで、セグメントがスピゴットと完全に係合して引抜を防止する本発明の下で固定された管継手の図である。
図5は、埋め込まれたセグメントの位置で横断面形状を見せるための切り取り状態を図示する本発明でのガスケットである。
以下は、多数の様々な観点における、本発明の態様の詳細で例示的な説明である。当業
者は、本明細書で特別に与えられたものが、例示的な態様に関する図説目的を意図しており、本発明の範囲または特許請求の範囲を制限すると解釈されるべきでないことを理解するであろう。この書類における“管”への言及は、本発明に関して使用されるとき、何れかの管、付属器具、嵌め込み具、接続具、または何れかの他の接続されるか接続可能な装置または要素をもまた指すと理解される。
め込まれる位置でのベル40の内径に近似するかまたはそれより僅かに大きい外径を持つ完全な環状部材であり得る。このバルブは、その弾性および圧縮性を考慮した寸法のエラストマー性材料または他の弾性材料であり得る。接合の操作では、ガスケット30が管継手を密封することが意図される場合、スピゴット70とベル40との間の幾らかの圧縮によってのみ環状の間隙60内に嵌め込まれるように寸法決めされるべきである。特に、何れかの与えられるスピゴット70について、ガスケット30はスピゴット70の外径よりも僅かに小さい内径を有する傾向がある。従って、スピゴット70のベル40中への挿入は、ガスケット30をキャビティ境界45に対して圧縮するために十分な力を与えることを必要とする。バルブ32に加え、ガスケット30は、ガスケット30がベル40中に取り付けられるときに、保持踵部31が環状の凹部47内に嵌め込まれ、そしてガスケット30が適切に配向するようバルブ32を配置するように環状の凹部47と嵌合するよう形成された保持踵部31を有する。必須でないが、典型的には、保持踵部は、バルブ32のものより高いデュロメーター等級のエラストマーから構成され得る。当該技術で理解されるように、これは、バルブ32が密封効率のために望ましくは柔軟性かつ圧縮性であるべきであり、一方、保持踵部31の硬さが増大すると、スピゴット70の軸方向の移動にも関わらず、保持踵部31を環状の凹部47と嵌合したままにさせ得るからである。
該踵部との間の角度が約120度と170度との間であることを示す。
ゴット70と固定セグメント1に配置されるバルブ30との間の摩擦により引き起こされる。既に食い込み係合に無い場合、そのような回転が継続すると、歯7はスピゴット70の表面中への突き込みによりスピゴット70と係合する。それ故に、スピゴット70のさらなる移動は、爪先部13の付随する半径方向内側への回転を引き起こす。当業者は、スピゴット70の軸方向の押し込み圧力の力の間の関係が、このプロセスにより、部分的に、スピゴット70と該固定セグメントとの間の半径方向内側への力に変換されることを理解するだろう。該関係の機能的性質は、該圧力が増大したとき、歯7のスピゴット70中への食い込み、または突き込みを増大する。ある程度まで、この増加した半径方向の圧力は、より大きな軸方向の引き抜きの力に応じて、より大きな半径方向の圧力およびそれにより加えられる歯7の食い込みが必要であり得るので有利である。しかしながら、各スピゴット70は、最大の持続可能な半径方向の圧力の閾値を有し、固定セグメント1により加えられるそれ以上の半径方向の圧力は、固定セグメント1によるスピゴット70の完全な貫通を引き起こすか、または殆ど貫通させ、そしてそれ故に、管継手の破壊を引き起こす。上記したように、ベル40に関する固定セグメント1の配置は、本発明においてそのような圧力の超過を防止する。
業者は、特許請求の範囲および上記の説明を参照することにより、最大回転に到達すると第1壁43と第2壁41との間に閉じ込められるようにブレーキ12が環状の凹部47内に嵌め込まれる限り、該形状は正確にまた大まかにさえ一致する必要は無いことを理解するだろう。さらに、当業者は、第1壁43および第2壁41を本明細書ではそれらが環状の凹部47の分離した壁であるかのように議論したが、該壁等はオフセットでき、または異なる半径方向の分離を有し得ることを理解するだろう。例として、図1は、ベル縁部44の内面と一致するような第1壁43を図示する。この図でさらに図示するように、制動肘部2は、第2壁41上に存在する何れかの点より半径方向内側に延びる第1壁43の一部を片持ちする。ベル構造は、環状の凹部47からオフセットした半径方向に延びる壁を有し得ることが可能である。そのような場合では、オフセット半径壁は、たとえ第1壁43からの軸方向のオフセットであっても、第1壁43の延長部と考慮されるだろう。
上記の説明は、本発明の範囲および実施の内にあることを維持しながら、当該技術に標準的な技術を使用して、産業上の技術並びにこの開示の本発明の教示に基き本発明の態様または変形物をなし得るように、本発明の原理および応用を当業者に教示するために選択した本発明の例示的な態様を含む。本発明者は、本発明は多数の具体的な態様を有し、その範囲は許可される特許請求の範囲よりもさらに制限されるべきでないことを強調する。他に特別に述べられない限り、出願人は、図説的な態様に関する詳細な説明での何れかの用語の一貫した使用により、その用語の意味を一般に該用語について理解されるものよりも狭い特別な意味に制限することを意図しない。
Claims (1)
- 押込式管継手を保持することに使用するための固定セグメントであって、該セグメントは、略三角形の断面を有する爪先部に接合した略矩形のブレーキを含み、該ブレーキは、対向する側に前方ブレーキと制動肘部とを有し、該前方ブレーキおよび制動肘部は、ベルの内側の対抗する面の間に閉じ込められるように配置および適合され、該爪先部はさらに第1面と、該ベルからスピゴットの引抜移動に逆らって該スピゴットと係合するように適合された歯付き面とを含み、該第1面と踵部の隣接面との間の角度は、約120度と170度との間である、固定セグメント。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/017,889 US6688652B2 (en) | 2001-12-12 | 2001-12-12 | Locking device and method for securing telescoped pipe |
PCT/US2002/037550 WO2003050421A2 (en) | 2001-12-12 | 2002-11-22 | Locking device and method for securing telescoped pipe |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008212027A Division JP4904547B2 (ja) | 2001-12-12 | 2008-08-20 | 入れ子式管を継合するための固定装置および方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005511997A JP2005511997A (ja) | 2005-04-28 |
JP4217971B2 true JP4217971B2 (ja) | 2009-02-04 |
Family
ID=21785105
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003551430A Expired - Lifetime JP4217971B2 (ja) | 2001-12-12 | 2002-11-22 | 入れ子式管を継合するための固定装置および方法 |
JP2008212027A Expired - Lifetime JP4904547B2 (ja) | 2001-12-12 | 2008-08-20 | 入れ子式管を継合するための固定装置および方法 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008212027A Expired - Lifetime JP4904547B2 (ja) | 2001-12-12 | 2008-08-20 | 入れ子式管を継合するための固定装置および方法 |
Country Status (13)
Country | Link |
---|---|
US (2) | US6688652B2 (ja) |
EP (1) | EP1481187B1 (ja) |
JP (2) | JP4217971B2 (ja) |
KR (2) | KR101071060B1 (ja) |
AT (1) | ATE518088T1 (ja) |
AU (1) | AU2002346489B2 (ja) |
BR (1) | BR0206977B1 (ja) |
CA (1) | CA2467572C (ja) |
CR (1) | CR7371A (ja) |
ES (1) | ES2367299T3 (ja) |
PL (1) | PL204587B1 (ja) |
RU (1) | RU2004117789A (ja) |
WO (1) | WO2003050421A2 (ja) |
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-
2001
- 2001-12-12 US US10/017,889 patent/US6688652B2/en not_active Expired - Lifetime
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2002
- 2002-11-22 PL PL371921A patent/PL204587B1/pl not_active IP Right Cessation
- 2002-11-22 KR KR1020087027763A patent/KR101071060B1/ko active IP Right Grant
- 2002-11-22 CA CA2467572A patent/CA2467572C/en not_active Expired - Lifetime
- 2002-11-22 JP JP2003551430A patent/JP4217971B2/ja not_active Expired - Lifetime
- 2002-11-22 EP EP02784554A patent/EP1481187B1/en not_active Expired - Lifetime
- 2002-11-22 RU RU2004117789/06A patent/RU2004117789A/ru not_active Application Discontinuation
- 2002-11-22 KR KR10-2004-7008971A patent/KR20040075874A/ko not_active Application Discontinuation
- 2002-11-22 BR BRPI0206977-6A patent/BR0206977B1/pt not_active IP Right Cessation
- 2002-11-22 WO PCT/US2002/037550 patent/WO2003050421A2/en active Application Filing
- 2002-11-22 AU AU2002346489A patent/AU2002346489B2/en not_active Expired
- 2002-11-22 ES ES02784554T patent/ES2367299T3/es not_active Expired - Lifetime
- 2002-11-22 AT AT02784554T patent/ATE518088T1/de active
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2004
- 2004-02-09 US US10/774,544 patent/US20040155458A1/en not_active Abandoned
- 2004-06-11 CR CR7371A patent/CR7371A/es unknown
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Also Published As
Publication number | Publication date |
---|---|
ES2367299T3 (es) | 2011-11-02 |
JP2005511997A (ja) | 2005-04-28 |
CR7371A (es) | 2004-11-17 |
BR0206977A (pt) | 2004-02-17 |
US6688652B2 (en) | 2004-02-10 |
AU2002346489B2 (en) | 2008-11-13 |
RU2004117789A (ru) | 2005-05-10 |
US20040155458A1 (en) | 2004-08-12 |
JP4904547B2 (ja) | 2012-03-28 |
PL371921A1 (en) | 2005-07-11 |
WO2003050421A2 (en) | 2003-06-19 |
US20030107214A1 (en) | 2003-06-12 |
ATE518088T1 (de) | 2011-08-15 |
EP1481187A4 (en) | 2008-05-14 |
BR0206977B1 (pt) | 2011-02-08 |
KR20040075874A (ko) | 2004-08-30 |
CA2467572A1 (en) | 2003-06-19 |
KR20080104082A (ko) | 2008-11-28 |
JP2008275174A (ja) | 2008-11-13 |
KR101071060B1 (ko) | 2011-10-10 |
CA2467572C (en) | 2010-06-29 |
AU2002346489A1 (en) | 2003-06-23 |
WO2003050421A3 (en) | 2004-09-10 |
PL204587B1 (pl) | 2010-01-29 |
EP1481187B1 (en) | 2011-07-27 |
EP1481187A2 (en) | 2004-12-01 |
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