WO2011040450A1 - 管継手の雄型継手部材 - Google Patents
管継手の雄型継手部材 Download PDFInfo
- Publication number
- WO2011040450A1 WO2011040450A1 PCT/JP2010/066927 JP2010066927W WO2011040450A1 WO 2011040450 A1 WO2011040450 A1 WO 2011040450A1 JP 2010066927 W JP2010066927 W JP 2010066927W WO 2011040450 A1 WO2011040450 A1 WO 2011040450A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- valve body
- annular
- joint
- diameter
- opening
- Prior art date
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Classifications
-
- 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
- F16L29/00—Joints with fluid cut-off 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
- 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
- F16L37/28—Couplings of the quick-acting type with fluid cut-off means
- F16L37/38—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings
- F16L37/40—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings with a lift valve being opened automatically when the coupling is applied
- F16L37/413—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings with a lift valve being opened automatically when the coupling is applied the lift valve being of the sleeve type, i.e. a sleeve being telescoped over an inner cylindrical wall
-
- 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
- F16L37/28—Couplings of the quick-acting type with fluid cut-off means
- F16L37/30—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings
- F16L37/32—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings at least one of two lift valves being opened automatically when the coupling is applied
- F16L37/33—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings at least one of two lift valves being opened automatically when the coupling is applied the lift valves being of the ball type
-
- 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
- F16L37/28—Couplings of the quick-acting type with fluid cut-off means
- F16L37/30—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings
- F16L37/32—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings at least one of two lift valves being opened automatically when the coupling is applied
- F16L37/34—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings at least one of two lift valves being opened automatically when the coupling is applied at least one of the lift valves being of the sleeve type, i.e. a sleeve is telescoped over an inner cylindrical wall
-
- 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
- F16L37/28—Couplings of the quick-acting type with fluid cut-off means
- F16L37/38—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings
- F16L37/40—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings with a lift valve being opened automatically when the coupling is applied
-
- 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
- F16L37/28—Couplings of the quick-acting type with fluid cut-off means
- F16L37/38—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings
- F16L37/44—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings with one lift valve being actuated to initiate the flow through the coupling after the two coupling parts are locked against withdrawal
-
- 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
- Y10T137/00—Fluid handling
- Y10T137/9029—With coupling
Definitions
- the present invention relates to a male joint member of a pipe joint, and particularly to a male joint member provided with an on-off valve.
- the male joint member has a tubular joint body having a through-hole extending from the front end opening to the rear end opening, and an on-off valve set in the joint body, and the front end opening of the joint body is a part of the joint body.
- the valve body of the opening / closing valve is urged forward by a spring member, and the outer peripheral surface of the front end portion of the valve body is the inner periphery of the front end opening of the joint member.
- the on-off valve is fitted in the surface and the open / close valve is closed in this state.
- valve body when high-pressure fluid remains in the male joint member, even if the operator tries to connect the male and female joint members, the valve body may not move due to the residual pressure. In such a case, the operator moves the valve body backward by hitting the front end face of the valve body with a hammer or the like to release the residual pressure.
- valve body when the valve body is struck in such a manner with a hammer, the valve body does not move in parallel along the axis of the tubular joint body, but becomes slanted. For this reason, the peripheral surface of the valve body becomes the front end of the joint body. The valve body that bites into the peripheral wall surface of the opening cannot be moved with a hammer or the like, and the joint member becomes unusable, which may greatly hinder the work.
- the present invention has an object to provide a male joint member of a pipe joint that eliminates the above-described biting of the valve body even when an operator strikes the valve body with a hammer. It is said.
- the present invention A through-hole extending from the front end opening (denoted by reference numeral 20 in the following description of the embodiment of the present invention: the number shown in parentheses below indicates the same relationship as the embodiment) to the rear end opening (22)
- a cylindrical joint body (12) having an inner peripheral surface (26) defining (24), the inner peripheral surface defining the front end opening (20) axis of the joint body (12) ( An annular opening surface (28) parallel to X), and an annular valve seat surface (32) inclined so as to spread radially outward from the circular rear end edge (30) of the opening surface toward the rear,
- a joint body (12) having a tubular surface (34) extending rearwardly following the annular valve seat surface (32);
- a valve body (38) extending rearwardly following the front end (36),
- the front end (36) has a circular front end surface (40), a front end annular surface (42) extending rearward from the
- the valve body (38) includes an annular seal member (50) that can be engaged with the annular valve seat surface (32) of the joint body (12);
- the valve body (14) is urged forward, and the valve body (14) is inserted into the front end opening (20) of the front end portion (36) of the valve body and the seal member (50).
- the valve body (14) is displaced rearward by a backward force applied to the front end surface (40) of the valve body (14).
- the small-diameter surface (44) is applied with a rearward force on the front end surface (40) of the valve body (14), and the front end surface (40) of the valve body (14) is formed in the through hole (24).
- the circular surface when tilted relative to the axis (X) and the small diameter surface (44) comes into engagement with the circular rear edge (30) of the open surface (28). From the engagement point (A) between the rear end edge (30) and the small diameter surface (44) to the outer peripheral edge (41) of the front end surface (40) of the valve body (14) through the axis (X) of the valve body.
- “same as the diameter” means that even if the valve body is slightly larger than the diameter of the opening surface and the valve body is inclined, the biting is less severe than when the small diameter portion is not provided. Such “substantially the same diameter” is also included.
- the small-diameter surface (44) is formed with a step with the front end annular surface (42) of the front end portion (36), and is coaxial with the front end annular surface (42) and has a constant diameter. . Further, the small-diameter surface (44) is an inclined surface whose diameter decreases toward the rear, following the front-end annular surface (42) extending rearward from the outer peripheral edge (41) of the front-end surface (36). You can also.
- the small-diameter surface (44) can be adjacent to the circular rear end edge (30) of the opening surface (28) and extend forward of the rear end edge (30). In consideration of the fact that when the valve body (14) is inclined by being struck with a hammer or the like, it is often inclined while being pushed backward somewhat.
- valve body (38) has an inclined annular surface (48) that spreads radially outward from the rear end edge of the small diameter surface (44) toward the rear, and the annular seal is formed on the inclined annular surface.
- the member (50) can be attached.
- the spring member (16) is a compression coil spring set coaxially in the through hole (24) of the joint body (12), and the valve body (14) is located at the center of the rear end surface of the valve body (38).
- An annular spring receiving portion (54) formed of a metal plate, connected to and fixed to the protrusion (50), and engaged with the front end of the compression coil spring (16), and the spring receiving portion.
- a spring holding member (56) having a cylindrical spring support portion (55) extending in a cylindrical shape rearward from the outer peripheral edge.
- an elongated shank extending rearward from the center of the rear end surface of the valve body is provided, and a compression coil spring is set around the shank.
- the valve body provided with the shank is made by cutting.
- the valve body according to the present invention has a spring holding member formed of a metal plate for holding the compression coil spring, the protrusion at the center of the rear end surface of the valve main body has the spring.
- the length of the holding member may be short enough to be connected and fixed, and the manufacturing cost can be reduced as compared with the conventional valve body as described above. Further, since no shank is required, the length of the valve body can be shortened.
- a male joint member 10 shown in FIG. 1 constitutes a pipe joint together with a female joint member (not shown), and is detachably inserted and connected to the female joint member.
- the male joint member 10 includes a cylindrical joint body 12, a valve body 14 set in the joint body, a spring member that urges the valve body 14 forward, and in the illustrated example, a compression coil spring 16.
- a compression coil spring 16 Have.
- the joint body 12 has an inner peripheral surface 26 that defines a through hole 24 extending from the front end opening 20 to the rear end opening 22.
- the inner peripheral surface 26 defines a front end opening 20 and has an annular opening surface 28 parallel to the axis X of the joint body 12 and a radially outer side as it goes rearward from the circular rear end edge 30 of the opening surface 28.
- an annular valve seat surface 32 that is inclined so as to spread, and a cylindrical surface 34 that extends rearward after the annular valve seat surface 32.
- the valve body 14 includes a front end portion 36 that can be inserted into the front end opening 20 of the joint body 12, and a valve body 38 that extends rearward after the front end portion 36.
- the front end portion 36 of the valve body 14 has a circular front end surface 40, a front end annular surface 42 that extends rearward from the chamfered outer peripheral edge 41 of the front end surface 40 and has a smaller diameter than the opening surface 28 of the joint body 12,
- the front end annular surface 42 is followed by a small diameter surface 44 having a smaller diameter than the front end annular surface 42 extending rearward.
- the small-diameter surface 44 is formed with a step with the front end annular surface 42, is coaxial with the front end annular surface 42, has a constant diameter, and extends forward from a position adjacent to the rear end edge 30 of the opening surface 28.
- the valve body 38 has an inclined annular surface 48 that spreads outward in the radial direction from the rear end edge of the small-diameter surface 44 toward the rear, and an annular groove is provided in the inclined annular surface 48.
- the sealing member 50 is attached. More specifically, a groove is formed in the upper semi-annular portion of the inclined annular surface 48 (a portion on the right side from the approximate center of the inclined annular surface 48 in FIG. 1), and an annular seal member 50 is provided in the groove. ing.
- the valve body 14 is formed of a metal plate and a protrusion 52 provided at the center of the rear end surface of the valve body 38, and is connected and fixed to the protrusion 52, and engages with the front end of the compression coil spring 16. And a spring holding member 56 including a cylindrical spring support portion 55 extending rearward from the outer peripheral edge of the spring receiving portion 54. The rear end of the compression coil spring 16 is supported by a spring support member 58 fixed to the inner peripheral surface of the joint body 12, and urges the valve body 14 to the closed position shown in FIG.
- FIG. 2 shows that the front end face 40 of the valve body 14 is struck by a hammer or the like and a force F is applied (shifted downward from the axis Y of the valve body 14 as viewed in FIG. 2) to tilt the valve body 14.
- the small diameter surface 44 has shown the state engaged with the circular rear-end edge 30 of the opening surface 28 of the coupling main body 12.
- FIG. In the present invention in such a state, the outer end of the front end surface 40 of the valve body 14 passes through the axis Y of the valve body 14 from the engagement point A between the rear end edge 30 of the opening surface 28 and the small diameter surface 44.
- the length b reaching the peripheral edge 41 is set to be equal to or smaller than the diameter a of the front end face 40.
- the small diameter surface 44 may be a tapered surface having a diameter that decreases from the rear end of the annular surface 42 toward the rear, or may be a curved surface.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
Description
前端開口(以下に述べる本発明の実施形態の説明においては参照番号20で示す:以下の()内に示す番号は実施形態と同様の関係を示す)から後端開口(22)まで延びる貫通孔(24)を画定する内周面(26)を有する筒状の継手本体(12)であって、該内周面が、前端開口(20)を画定する、当該継手本体(12)の軸線(X)に平行な円環状の開口面(28)と、該開口面の円形の後端縁(30)から後方に向かうに従い半径方向外側に広がるように傾斜した環状弁座面(32)と、該環状弁座面(32)に続き後方に延びる筒状面(34)とを有する継手本体(12)と;
該継手本体(12)内部に設定された弁体(14)であって、
該前端開口(20)内に嵌合される前端部(36)と、
該前端部(36)に続いて後方に延びる弁本体(38)と
を有し、
該前端部(36)は、円形の前端面(40)、該前端面(40)の
外周縁から後方に延びる、該開口面(28)よりも小さな直径を有
する前端環状面(42)、該前端環状面に続いて後方に延びる該前
端環状面(42)よりも小径の小径面(44)
を有し、
該弁本体(38)は、該継手本体(12)の環状弁座面(32)に
係合可能とされた環状のシール部材(50)を有するようにした弁
体(14)と;
該弁体(14)を前方に向けて付勢し、該弁体(14)を、該弁体の前端部(36)を該前端開口(20)内に挿入すると共に該シール部材(50)を該環状弁座面(32)に密封係合した閉止位置とすると共に、該弁体(14)の前端面(40)にかけられる後方への力によって該弁体(14)が後方に変位して、該シール部材(50)が該環状弁座面(32)から離れた解放位置となるのを許容するバネ部材(16)と;
を有し、
該小径面(44)は、後方への力が該弁体(14)の前端面(40)にかけられ、該弁体(14)が、その前端面(40)が該貫通孔(24)の軸線(X)に対して傾斜するように傾けられ、該小径面(44)が該開口面(28)の該円形の後端縁(30)と係合するようになったときの該円形の後端縁(30)と該小径面(44)との係合点(A)から該弁体の軸線(X)を通り該弁体(14)の前端面(40)の外周縁(41)にまで至る長さ(b、b1、b2)が、該開口面(28)の直径と同じ若しくはそれよりも小さくなるようにされていることを特徴とする管継手の雄型継手部材(1)を提供する。
Claims (6)
- 前端開口から後端開口まで延びる貫通孔を画定する内周面を有する筒状の継手本体であって、該内周面が、前端開口を画定する、当該継手本体の軸線に平行な円環状の開口面と、該開口面の円形の後端縁から後方に向かうに従い半径方向外側に広がるように傾斜した環状弁座面と、該環状弁座面に続き後方に延びる筒状面とを有する継手本体と;
該継手本体内部に設定された弁体であって、
該前端開口内に嵌合される前端部と、
該前端部に続いて後方に延びる弁本体と
を有し、
該前端部は、円形の前端面、該前端面の外周縁から後方に延
びる、該開口面よりも小さな直径を有する前端環状面、該前
端環状面に続いて後方に延びる該前端環状面よりも小径の小
径面を有し、
該弁本体は、該継手本体の環状弁座面に係合可能とされた環
状のシール部材を有するようにした弁体と;
該弁体を前方に向けて付勢し、該弁体を、該弁体の前端部を該前端開口内に挿入すると共に該シール部材を該環状弁座面に密封係合した閉止位置とすると共に、該弁体の前端面にかけられる後方への力によって該弁体が後方に変位して、該シール部材が該環状弁座面から離れた解放位置となるのを許容するバネ部材と;
を有し、
該小径面は、後方への力が該弁体の前端面にかけられたときに、該弁体が、その前端面が該貫通孔の軸線に対して傾けられ、該小径面が該開口面の該円形の後端縁と係合するようになったときの該円形の後端縁と該小径面との係合点から該弁体の軸線を通り該弁体の前端面の外周縁にまで至る長さが、該開口面の直径と同じ若しくはそれよりも小さくなるようにされていることを特徴とする管継手の雄型継手部材。 - 該小径面が、該前端部の該前端環状面と段差をもって形成され、該前端環状面と同軸状とされ一定直径を有するようにされた請求項1に記載の管継手の継手部材。
- 該小径面が、該前端面の外周縁から後方に延びる該前端環状面に続いて後方に向かうに従って直径が小さくなるようにされた傾斜面とされている請求項1に記載の管継手の継手部材。
- 該小径面が、該開口面の該円形の後端縁に隣接し該後端縁よりも前方に延びている請求項1乃至3のいずれかに記載の管継手の継手部材。
- 該弁本体が、該小径面の後端縁から後方に向かうに従って半径方向外側に広がる傾斜環状面を有し、該傾斜環状面に該環状のシール部材が取り付けられている請求項1乃至4のいずれかに記載の管継手の継手部材。
- 該バネ部材が、継手本体の貫通孔内に同軸状にして設定される圧縮コイルバネとされ、
該弁体が、該弁本体の後端面中央に設けられた突起と、金属板から形成され、該突起に連結固定され、該圧縮コイルバネの前端と係合する円環状のバネ受け部及び該バネ受け部の外周縁から後方に筒状に延びる筒状のバネ支持部を有するバネ保持部材とを有する請求項1乃至5のいずれかに記載の管継手の継手部材。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020127008142A KR101358520B1 (ko) | 2009-09-30 | 2010-09-29 | 관 조인트의 웅형 조인트 부재 |
CN201080050792.3A CN102639917B (zh) | 2009-09-30 | 2010-09-29 | 管接头的阳接头部件 |
EP10820565.9A EP2484950B1 (en) | 2009-09-30 | 2010-09-29 | Male joint member for pipe joint |
US13/432,281 US8590860B2 (en) | 2009-09-30 | 2012-03-28 | Male joint member for pipe joint |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009-228433 | 2009-09-30 | ||
JP2009228433A JP5085625B2 (ja) | 2009-09-30 | 2009-09-30 | 管継手の雄型継手部材 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/432,281 Continuation US8590860B2 (en) | 2009-09-30 | 2012-03-28 | Male joint member for pipe joint |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011040450A1 true WO2011040450A1 (ja) | 2011-04-07 |
Family
ID=43826266
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2010/066927 WO2011040450A1 (ja) | 2009-09-30 | 2010-09-29 | 管継手の雄型継手部材 |
Country Status (7)
Country | Link |
---|---|
US (1) | US8590860B2 (ja) |
EP (1) | EP2484950B1 (ja) |
JP (1) | JP5085625B2 (ja) |
KR (1) | KR101358520B1 (ja) |
CN (1) | CN102639917B (ja) |
TW (1) | TWI399501B (ja) |
WO (1) | WO2011040450A1 (ja) |
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JP7281284B2 (ja) * | 2019-01-25 | 2023-05-25 | 株式会社Kvk | 継手 |
KR102546865B1 (ko) * | 2019-02-04 | 2023-06-22 | 니토 코키 가부시키가이샤 | 밸브체를 갖는 관이음매 및 그것에 사용되는 코일 스프링 |
Citations (5)
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JPS62110096A (ja) * | 1985-11-05 | 1987-05-21 | 堀内商事株式会社 | 残圧除去装置と安全装置とを備えた自動開閉継手 |
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US5248125A (en) * | 1992-04-02 | 1993-09-28 | Spx Corporation | Refrigerant service system with self-sealing coupling |
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ITMI20051521A1 (it) * | 2005-08-03 | 2007-02-04 | Stucchi Spa | Elemento femmina per raccordo ad accoppiamento rapido per tubazioni |
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2009
- 2009-09-30 JP JP2009228433A patent/JP5085625B2/ja active Active
-
2010
- 2010-09-29 TW TW99133045A patent/TWI399501B/zh active
- 2010-09-29 WO PCT/JP2010/066927 patent/WO2011040450A1/ja active Application Filing
- 2010-09-29 EP EP10820565.9A patent/EP2484950B1/en active Active
- 2010-09-29 KR KR1020127008142A patent/KR101358520B1/ko active IP Right Grant
- 2010-09-29 CN CN201080050792.3A patent/CN102639917B/zh active Active
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2012
- 2012-03-28 US US13/432,281 patent/US8590860B2/en active Active
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JPH11280976A (ja) * | 1998-03-31 | 1999-10-15 | Nabco Ltd | 継 手 |
JP2000234687A (ja) * | 1999-02-17 | 2000-08-29 | Yokohama Hydex Co | 管継手 |
JP2005147169A (ja) * | 2003-11-11 | 2005-06-09 | Nitto Kohki Co Ltd | 管継手の継手部材及び継手部材で用いられる弁体 |
JP3909339B1 (ja) | 2006-11-17 | 2007-04-25 | 日東工器株式会社 | 管継手の継手部材 |
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See also references of EP2484950A4 |
Also Published As
Publication number | Publication date |
---|---|
EP2484950A4 (en) | 2015-12-02 |
EP2484950A1 (en) | 2012-08-08 |
EP2484950B1 (en) | 2016-11-09 |
KR20120051753A (ko) | 2012-05-22 |
JP5085625B2 (ja) | 2012-11-28 |
US8590860B2 (en) | 2013-11-26 |
TW201131098A (en) | 2011-09-16 |
US20120180891A1 (en) | 2012-07-19 |
TWI399501B (zh) | 2013-06-21 |
CN102639917A (zh) | 2012-08-15 |
JP2011075054A (ja) | 2011-04-14 |
CN102639917B (zh) | 2014-05-07 |
KR101358520B1 (ko) | 2014-02-05 |
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