CN108368941A - Spool and the valve arrangement body and joint member for having used the spool - Google Patents
Spool and the valve arrangement body and joint member for having used the spool Download PDFInfo
- Publication number
- CN108368941A CN108368941A CN201680072270.0A CN201680072270A CN108368941A CN 108368941 A CN108368941 A CN 108368941A CN 201680072270 A CN201680072270 A CN 201680072270A CN 108368941 A CN108368941 A CN 108368941A
- Authority
- CN
- China
- Prior art keywords
- spool
- sealing portion
- annular sealing
- valve
- valve body
- 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.)
- Granted
Links
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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
- F16K1/38—Valve members of conical shape
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/46—Attachment of sealing 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/06—Check valves with guided rigid valve members with guided stems
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Multiple-Way Valves (AREA)
- Lift Valve (AREA)
- Check Valves (AREA)
Abstract
The present invention provides the spool for preventing that sealing is made to fall off from valve body because of the effect of fluid.Spool has：Valve body (24), being capable of the displacement between closed position and open position；Containment member (26), it is with annular sealing portion (36) and linking part (38), annular sealing portion (36) is embedded in the endless groove (30) being arranged with face (28) along the sealing of the cone of spool, the sealing of annular sealing portion (36) and valve seat (34) engage to prevent the flowing of fluid, linking part (38) by valve body (24) diametrically perforative connecting hole (32) it is interior by by the part connection opposed in diametric(al) of annular sealing portion (36).
Description
Technical field
The present invention relates to suitable for be arranged for high-pressure fluid by fluid passage on spool and used the spool
Valve arrangement body and joint member.
Background technology
A kind of known spool, the spool have setting in fluid passage and can be between closed position and open positions
It carries out the valve body of displacement and is set to valve body and engages to prevent with valve base sealing when valve body is in the closed position
The cricoid containment member (such as O-ring) of the flowing of fluid is used for this spool using the fluid piping of the spool
In the case of handling high-pressure fluid, when the valve open and when high-pressure fluid being made to flow containment member by the effect of the fluid and
It may fall off from valve body.As countermeasure used to solve the problem, exploitation has for example on valve body setting for will be close
Envelope component is held in technology as the retaining ring of valve body (patent document 1).
Citation
Patent document
Patent document 1：Japanese Patent No. 4791196
Invention content
Fa to Yao the project of Xie Decision bright
The present invention will be solved the problem above-mentioned by the method different from patent document 1.
Solution for solving the problem
That is, the present invention provides a kind of spool, have：
Valve body, is provided in fluid passage and can be for closing the closed position of fluid passage and being used for
The valve body that displacement is carried out between the open position of the fluid passage is opened, by the side from the open position towards the closed position
To as front, the valve body have the cricoid sealing face of face forward, the endless groove being arranged with face along the sealing, with
And the connecting hole being connected to the endless groove through the valve body and both ends；And
Containment member, with annular sealing portion and linking part, which is embedded in the endless groove, and the ring-type is close
Envelope portion when the valve body is in the closed position with the valve seat that is annularly formed on the access wall surface of the fluid passage
Sealing engages to prevent the flowing of fluid, which extends and from a part for the annular sealing portion by the connecting hole
Another part of the annular sealing portion is reached, and above-mentioned two parts are linked.
In the spool, the containment member of valve body has annular sealing portion and prolongs in the intercommunicating pore through valve body
The linking part stretched and link two parts of annular sealing portion, so even annular sealing portion is in the flowing of high-pressure fluid
In, annular sealing portion is also difficult to fall off from the endless groove of valve body, and thereby, it is possible to solve the problems in above-mentioned existing valve.
It is preferably configured as, which runs through the valve body along the diametric(al) of the valve body.
Such linking part across intercommunicating pore links the part opposed in diametric(al) of annular sealing portion, can
More evenly keep annular sealing portion.However, it's not limited to that for the intercommunicating pore and linking part across the intercommunicating pore, such as
It can also be configured to, radially extend from the center of valve body to three or more directions, or make more than two companies
Through-hole and linking part pass through in valve body independently of one another.
It is configured to, which has cricoid front side and rear side and side in front of this
The cricoid radial direction lateral surface and radial direction medial surface extended between the side of rear, the cross section of the annular sealing portion
Rectangular shaped,
The linking part extends to another part of the radial direction medial surface from a part for the radial direction medial surface,
The sealing is set as with face with the coniform conical surface to attenuate towards front,
The endless groove, which is formed in, to be set as on the coniform sealing face, which has and be embedded in the endless groove
The annular sealing portion the contact of radial direction medial surface cyclic annular groove bottom, with the front side of the annular sealing portion and after
In front of slot that square side contacts respectively side and slot rear side and the coniform sealing is being set as with being open on face
Opening portion, part is prolonged from the opening portion near on the outside of the radial direction of the annular sealing portion and edge of front side and edge
It stretches out and is annularly protruded from the sealing with face.
In this case, it is configured to, which has from the ora terminalis on the outside of the radial direction of the slot rear side
Extend and reach the groove radius direction lateral surface in the sealing face forwards, the groove radius direction lateral surface and is embedded in the ring-type
The radial direction lateral surface of the annular sealing portion of slot contacts.By the radial direction lateral surface of annular sealing portion and positioned at it
The groove radius direction lateral surface contact in outside, thus enables that the annular sealing portion is difficult to fall off from endless groove.
The present invention also provides a kind of valve arrangement bodies, have：
Spool as described above；And
Valve chest has the fluid passage for storing the spool and is formed in side fluid passage wall on the front than the spool
The cricoid valve seat in face.
It is preferably configured as, the valve seat is parallel with the sealing face.
More preferably it is configured to, which there is following elasticity modulus, the elasticity modulus to make the annular sealing portion
It deforms when the valve body is in the closed position and presses to certain value or more to the fluid that the valve body applies, so that
The annular sealing portion is crushed between the valve seat, to make the sealing face be abutted with the valve seat.Structure in this way
At when the fluid in fluid passage presses to certain value or more, annular sealing portion is assisted in substantially sealing because the fluid is pressed, separately
Outside, even if being applied with fluid pressure, also the annular sealing portion can be prevented to be forced out between face and valve seat by sealing
Situation.Therefore, valve arrangement body of the invention can use high pressure (super-pressure) fluid piping in this way from low-pressure fluid piping
It is used in large-scale pressure span.
It in above-mentioned valve arrangement body, can also be configured to, also have and exert a force forwards to the valve body and make the valve body
Spring member in the closed position, the spring member is when the valve body is in the closed position, by being leaned on than the spool
The fluid in front presses to specified value or more and allows spool displacement rearward, to make the annular sealing portion leave the valve
Seat surface, thus the spool functioned as check-valves.
It is one in the joint member of the female of pipe fitting and the joint member of male form the present invention also provides joint member
The joint member of side, the joint member of the party have above-mentioned valve arrangement body to close the flow path of the joint member,
When the joint member of one side and the joint member of another party link, the connector of the valve body of the valve arrangement body in the another party
To the open position displacement under the action of component.
Hereinafter, being illustrated to one embodiment of the present invention with reference to attached drawing.
Description of the drawings
Fig. 1 is the longitudinal section view of the pipe fitting for the spool for indicating to have one embodiment of the invention, shows the connector of male form
The state that the connector portions of portion and female do not link.
Fig. 2 is similarly to scheme with Fig. 1, but show the fluid pressure being linked in the fluid hose (not shown) of negative joint component
The high and state that makes the sealing for the valve body for being equipped with the annular seal member directly be engaged with valve seat with face.
Fig. 3 be the male form for indicating pipe fitting shown in FIG. 1 joint member and female joint member it is connected to each other and connect
Spool in head component is set in the longitudinal section view of the state of open position.
Fig. 4 is the figure of the endless groove for being formed in valve body and linking part when being observed at the IV-IV lines indicated in Fig. 1.
Fig. 5 is the enlarged cross-sectional view of part shown in circle A in Fig. 2.
Specific implementation mode
The pipe fitting 10 of diagram is made of negative joint component 12 and male form joint member 14.By above-mentioned joint member
12, in the case of 14 connections, first, make on the peripheral surface of adapter body (valve chest) 12a of negative joint component 12
Sleeve 12b from position shown in FIG. 1 displacement to the left, and so that spherical locking piece 12c is become can be on the outside of radial direction
The state of displacement.In this state, male form joint member 14 is inserted into negative joint component 12, on one side by locking piece 12c to
It extrudes on the outside of radial direction and continues on one side, make spherical locking piece 12c and the peripheral surface in male form joint member 14 is set
On endless groove 14a matching, to make sleeve 12b return to original position under the active force of helical spring 12d.As a result,
Locking piece 12c will not fall off from endless groove 14a, and the connection of two joint members 12,14 is completed.
In the pipe fitting 10 of diagram, either negative joint component 12 or male form joint member 14 all has for closing
The spool 20,22 of the cut-off type of above-mentioned fluid passage 12A, 14A.Make two joint members 12,14 with along axis direction that
This close mode moves when into joining line, and two spools 20,22 mutually abut and so that the movement on axis direction stops,
Make the two further movements of joint member 12,14 under the state, thus makes the spool 20,22 of two sides from Fig. 1 and resistance shown in Fig. 2
The closed position of the flowing of fluid stopping body is moved to the open position of the flowing shown in Fig. 3 for allowing fluid.
Above such structure as pipe fitting is common knowledge for a person skilled in the art, is omitted herein detailed
Explanation.The feature of the present invention is especially the spool that will be discussed below 20,22.22 substantial phase of spool 20 and spool
Together, therefore only spool 20 is illustrated below.
Spool 20 has valve body 24 and is installed on the containment member 26 of valve body 24.By spool 20 from shown in Fig. 3
In the case that the direction that open position is moved towards Fig. 1 and closed position shown in Fig. 2 is set as front, valve body 24 have with
The coniform sealing face 28 that attenuates towards front, the endless groove 30 being arranged along sealing face 28 and by valve body
24 run through and connecting hole 32 (Fig. 4) that both ends are connected to the endless groove 30 along its diametric(al).
As shown in figure 5, containment member 26 has the annular sealing portion 36 chimeric with endless groove 30 and in connecting hole 32
The linking part 38 for extending and linking the part opposed in diametric(al) of annular sealing portion 36.Spool 20 be in Fig. 1 and
When closed position shown in Fig. 2, annular sealing portion 36 and the access wall surface in the fluid passage 12A for being formed in adapter body 12a
On the sealing engaging of valve seat 34 that is annularly formed prevent the flowing of fluid.Annular sealing portion 36 and linking part 38 pass through as outer
It is inserted into type and the valve body 24 for being provided with endless groove 30 and connecting hole 32 is subjected to injection molding as a part for mold like that
And it is formed.
As shown in figure 5, annular sealing portion 36 have front side 36a and rear side 36b, front side 36a with after
The cricoid radial direction lateral surface 36c and radial direction medial surface 36d extended between square side 36b, annular sealing portion 36
Cross section is rectangular shape.Endless groove 30 is formed in coniform sealing on face 28, and is had and be embedded in endless groove 30
The cyclic annular groove bottom 30a of radial direction medial surface 36d contact of annular sealing portion 36, the front side with annular sealing portion 36
Slot front side 30b and the slot rear side 30c and be open on face 28 in sealing that 36a and rear side 36b are contacted respectively
Opening portion 30d.As shown in imaginary line in Fig. 5, on the outside of the radial direction of annular sealing portion 36 and front side has been chamfered
The part of edge 36e and its neighbouring general triangular is set as extending from opening portion 30d and annular in shape from sealing face 28
It is prominent
In the example in the figures, slot rear side 30c is set as extending as the crow flies from cyclic annular groove bottom 30a and using with sealing
Face 28 is intersected, but can also be by making parts of the slot rear side 30c before reaching sealing face 28 stop, and is stopped from this
Ora terminalis on the outside of the radial direction of part only in such a way that the radial direction lateral surface 36c with annular sealing portion 36 is contacted forward
Fang Yanshen and intersect with coniform sealing face 28, to form groove radius direction lateral surface 30e.With this configuration, exist
When fluid is acted in a manner of so that annular sealing portion 36 is fallen off from endless groove 30, groove radius direction lateral surface 30e inhibits cyclic annular close
Envelope portion 36, the effect with linking part 38 are complemented each other, so as to more effectively prevent the annular sealing portion 36 from endless groove
30 fall off.
More than, to the spool of the present invention is somebody's turn to do suitable for pipe fitting with the connection of pipe fitting and connection releasing
The scheme of circulation and the cut-off of the fluid of pipe fitting is illustrated, but the present invention is not limited thereto.That is, for example in male form connector
In the case of spool 22 is not arranged on component, spool 20 is pressed by helical spring 40 on valve seat 34, only in the sun linked
The rearward displacement of spool 20 when the fluid in fluid passage 14A in type joint component 14 presses to certain value or more and leave valve
Seat surface 34, so as to as can make fluid from the sides fluid passage 14A of male form joint member 14 to 12 side of negative joint component
The sides fluid passage 12A flowing check-valves and function.That is, the spool of the present invention can be used in constituting various fluid passages
In valve arrangement body, in particular for high-pressure fluid by fluid passage in effective valve arrangement body.
Reference sign：
Pipe fitting 10；Negative joint component 12；Adapter body (valve chest) 12a；Sleeve 12b；Locking piece 12c；Male form connects
Head component 14；Endless groove 14a；Spool 20,22；Valve body 24；Containment member 26；Face 28 is used in sealing；Endless groove 30；Endless groove bottom
Face 30a；Side 30b in front of slot；Slot rear side 30c；Opening portion 30d；Groove radius direction lateral surface 30e；Connecting hole 32；Valve seat
Face 34；Annular sealing portion 36；Front side 36a；Rear side 36b；Radial direction lateral surface 36c；Radial direction medial surface
36d；The edge 36e of front side；Linking part 38.
Claims (9)
1. a kind of spool, wherein
The spool has：
Valve body, is provided in fluid passage and can be for closing the closed position of fluid passage and being used to open
The valve body that displacement is carried out between the open position of the fluid passage, the direction from the open position towards the closed position is made
For front, the valve body have face forward cricoid sealing face, along sealing face setting endless groove and pass through
Wear the valve body and connecting hole that both ends are connected to the endless groove；And
Containment member, with annular sealing portion and linking part, which is embedded in the endless groove, the annular sealing portion
It is sealed with the valve seat being annularly formed on the access wall surface of the fluid passage when the valve body is in the closed position
Engage to prevent the flowing of fluid, which extends from a part for the annular sealing portion and reached by the connecting hole
Another part of the annular sealing portion, and the two parts are linked.
2. spool according to claim 1, wherein
The connecting hole runs through the valve body along the diametric(al) of the valve body.
3. spool according to claim 2, wherein
The annular sealing portion has cricoid front side and rear side and prolongs between side and rear side in front of this
The cricoid radial direction lateral surface and radial direction medial surface stretched, the cross section rectangular shaped of the annular sealing portion,
The linking part extends to another part of the radial direction medial surface from a part for the radial direction medial surface,
The sealing is set as with face with the coniform conical surface to attenuate towards front,
The endless groove, which is formed in, to be set as on the coniform sealing face, which has and be embedded in being somebody's turn to do for the endless groove
The front side and the rear side of the cyclic annular groove bottom and the annular sealing portion of the radial direction medial surface contact of annular sealing portion
Slot front side and the slot rear side and be set as coniform sealing opening being open on face that face contacts respectively
Portion, part is extended from the opening portion near on the outside of the radial direction of the annular sealing portion and edge of front side and edge
And it is annularly protruded from the sealing with face.
4. spool according to claim 3, wherein
The endless groove has to be extended from the ora terminalis on the outside of the radial direction of the slot rear side and reaches the sealing face forwards
Groove radius direction lateral surface, the groove radius direction lateral surface and be embedded in the endless groove the annular sealing portion the radius side
Outside side contact.
5. a kind of valve arrangement body, wherein
The valve arrangement body has：
Spool any one of Claims 1-4；And
Valve chest has the fluid passage for storing the spool and is formed in side fluid passage wall surface on the front than the spool
Cricoid valve seat.
6. valve arrangement body according to claim 5, wherein
The valve seat is parallel with the sealing face.
7. valve arrangement body according to claim 6, wherein
There is the annular sealing portion following elasticity modulus, the elasticity modulus annular sealing portion to be made to be in the pass in the valve body
Closed position and to the valve body apply fluid press to certain value or more when deform so that the annular sealing portion with this
It is crushed between valve seat, to make the sealing face be abutted with the valve seat.
8. valve arrangement body according to any one of claims 5 to 7, wherein
The valve arrangement body is also equipped with to the valve body exerts a force forwards and the valve body is made to be in the closed position spring structure
Part, the spring member is when the valve body is in the closed position, by pressing to specified value than the fluid of the spool on the front
Allow spool displacement rearward above, to make the annular sealing portion leave the valve seat, thus the spool is used as and stops
It returns valve and functions.
9. a kind of joint member is the joint member of the side in the joint member of female and the joint member of male form, wherein
The joint member of the party has described in any one of claim 5 to 7 of flow path for closing the joint member
Valve arrangement body, another party's in the joint member of the party and the joint member of the joint member of female and male form connects
When head component links, the valve body of the valve arrangement body is under the action of the joint member of the another party to the open position set
It moves.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015242658 | 2015-12-11 | ||
| JP2015-242658 | 2015-12-11 | ||
| PCT/JP2016/086763 WO2017099228A1 (en) | 2015-12-11 | 2016-12-09 | Valve body and valve structure and joint member in which said valve body is used |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108368941A true CN108368941A (en) | 2018-08-03 |
| CN108368941B CN108368941B (en) | 2019-12-20 |
Family
ID=59013280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680072270.0A Active CN108368941B (en) | 2015-12-11 | 2016-12-09 | Valve element, and valve structure and joint member using same |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6613316B2 (en) |
| CN (1) | CN108368941B (en) |
| TW (1) | TWI633247B (en) |
| WO (1) | WO2017099228A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114341540A (en) * | 2019-09-12 | 2022-04-12 | 日东工器株式会社 | Pipe joint member |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7119376B2 (en) * | 2018-01-10 | 2022-08-17 | 横浜ゴム株式会社 | poppet valve |
| CN108317323A (en) * | 2018-02-08 | 2018-07-24 | 宁波大雅汽车部件有限公司 | Quick connector with automatic cut-off function |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51157926U (en) * | 1975-06-10 | 1976-12-16 | ||
| JPS59196777U (en) * | 1983-06-17 | 1984-12-27 | 斉藤 俊彦 | non-return valve |
| DE3639221A1 (en) * | 1986-11-15 | 1988-05-19 | Rudolf Schroeder Industrieanla | Valve |
| JP3007965U (en) * | 1994-08-19 | 1995-02-28 | 株式会社ツーヘンハーゲンジャパン | Seal structure |
| JP2000352489A (en) * | 1999-06-11 | 2000-12-19 | Nasuko Fitting Kk | Pipe joint |
| EP1197691A2 (en) * | 2000-10-16 | 2002-04-17 | Ventrex Automotive GmbH | Fill valve |
| CN102900853A (en) * | 2011-07-26 | 2013-01-30 | 沙索技术有限公司 | Solids-handling equipment |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4320975Y1 (en) * | 1965-05-17 | 1968-09-04 | ||
| JPS5442015Y2 (en) * | 1974-10-07 | 1979-12-07 | ||
| JPS5231035U (en) * | 1975-08-26 | 1977-03-04 | ||
| JPS5233732U (en) * | 1975-08-30 | 1977-03-09 | ||
| JPS643161U (en) * | 1987-06-24 | 1989-01-10 | ||
| JP2762180B2 (en) * | 1991-08-20 | 1998-06-04 | 日信工業株式会社 | Poppet valve for master cylinder |
| US5406980A (en) * | 1994-03-28 | 1995-04-18 | Aeroquip Corporation | Deep drawn quick connect coupling |
| JP2004060709A (en) * | 2002-07-25 | 2004-02-26 | Yamatake Corp | Lining structure of valve element |
| JP4912375B2 (en) * | 2007-09-28 | 2012-04-11 | 長堀工業株式会社 | Fluid coupling |
-
2016
- 2016-12-09 WO PCT/JP2016/086763 patent/WO2017099228A1/en active Application Filing
- 2016-12-09 CN CN201680072270.0A patent/CN108368941B/en active Active
- 2016-12-09 TW TW105140903A patent/TWI633247B/en active
- 2016-12-09 JP JP2017555164A patent/JP6613316B2/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51157926U (en) * | 1975-06-10 | 1976-12-16 | ||
| JPS59196777U (en) * | 1983-06-17 | 1984-12-27 | 斉藤 俊彦 | non-return valve |
| DE3639221A1 (en) * | 1986-11-15 | 1988-05-19 | Rudolf Schroeder Industrieanla | Valve |
| JP3007965U (en) * | 1994-08-19 | 1995-02-28 | 株式会社ツーヘンハーゲンジャパン | Seal structure |
| JP2000352489A (en) * | 1999-06-11 | 2000-12-19 | Nasuko Fitting Kk | Pipe joint |
| EP1197691A2 (en) * | 2000-10-16 | 2002-04-17 | Ventrex Automotive GmbH | Fill valve |
| CN102900853A (en) * | 2011-07-26 | 2013-01-30 | 沙索技术有限公司 | Solids-handling equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114341540A (en) * | 2019-09-12 | 2022-04-12 | 日东工器株式会社 | Pipe joint member |
| CN114341540B (en) * | 2019-09-12 | 2024-03-19 | 日东工器株式会社 | Pipe joint component |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201734346A (en) | 2017-10-01 |
| JPWO2017099228A1 (en) | 2018-11-01 |
| TWI633247B (en) | 2018-08-21 |
| WO2017099228A1 (en) | 2017-06-15 |
| JP6613316B2 (en) | 2019-11-27 |
| CN108368941B (en) | 2019-12-20 |
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