CN1771432A - Component for gas piping, gas piping using the component, and gas opening/closing part used for the gas piping - Google Patents
Component for gas piping, gas piping using the component, and gas opening/closing part used for the gas piping Download PDFInfo
- Publication number
- CN1771432A CN1771432A CN200380110310.9A CN200380110310A CN1771432A CN 1771432 A CN1771432 A CN 1771432A CN 200380110310 A CN200380110310 A CN 200380110310A CN 1771432 A CN1771432 A CN 1771432A
- Authority
- CN
- China
- Prior art keywords
- gas
- pipe arrangement
- accommodation space
- cylindrical body
- handle hole
- 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.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/0007—Fluidic connecting means
- G01L19/0015—Fluidic connecting means using switching 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0663—Packings
- F16K5/0668—Single packings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Valve Housings (AREA)
- Taps Or Cocks (AREA)
- Measuring Fluid Pressure (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
A block for gas piping and a gas piping using the block, the block wherein a pressure gauge mounting part (2) for mounting a gas pressure gauge (9), a gas supply/exhaust part (3) for performing the supply and exhaust of gas from the outside, a storage space (6) allowing a valve stem (12) to be inserted therein and having an adapter mounting part (4) for mounting an adapter (11) with a pipe connection function, and a working hole (7) having a communication passage allowed to communicate with the storage space and allowing a handle for operating the valve stem (12) inserted into the storage space to be inserted therein from the outside are provided on the outer surfaces of the block at different positions, and a gas passage (5) allowing the pressure gauge mounting part, the gas supply/exhaust part, and storage space to communicate with each other is formed in the block, whereby, since the opening/closing and supply/exhaust functions necessary for the gas piping are collected in one part, the outside dimensions and the cost of the block can be reduced.
Description
(1) technical field
The present invention relates to a kind of gas sealed container is vacuumized and inflates body, monitors the gas pipe arrangement that its internal pressure is used by pressure gauge.
(2) background technology
For example shown in Japanese patent laid-open 5-336629 number, be an example of the pipe arrangement of gas in the past related to the present invention.
In general, to be the switching of will be on the market selling connected and composed with valve, usefulness pressure gauge, seal, nut, pipe arrangements etc. such as joint with gas supply discharge portion gas pipe arrangement in the past.
In this gas pipe arrangement, because by the structure and the size that open and close with valve, joint decision pipe arrangement, so be difficult to dwindle physical dimension.In addition, because must assemble a lot of constituent parts, so built-up time is long.
(3) summary of the invention
For addressing the above problem, the object of the present invention is to provide a kind ofly the needed function of gas pipe arrangement is is promptly opened and closed and supply with the function of discharging gas to concentrate on the part and can dwindle physical dimension, the gas pipe arrangement that reduces cost is with member and uses the gas pipe arrangement of this member.
In addition, the object of the present invention is to provide a kind of gas switching part that is applicable to gas pipe arrangement of the present invention.
Gas pipe arrangement of the present invention is provided with the diverse location of member at lateral surface: the pressure gauge installation portion that gas gauge is installed; Carry out the gas of the supply discharge of gas from the outside and supply with discharge portion; Can insert the accommodation space that gas opens and closes with part and is provided with the joint installation portion that is used to install the joint with pipe arrangement linkage function; And have the communication path that is communicated with described accommodation space, be used for inserting from the outside and make the gas that is inserted in the described accommodation space open and close handle hole with the handle of part action, its inside is formed with respectively with described pressure gauge installation portion, gas supplies with the gas passage that discharge portion, accommodation space are communicated with.
In addition, it is the valve rod that uses with member with gas pipe arrangement of the present invention that gas of the present invention opens and closes with part, by the 1st cylindrical body cylindraceous with become concentric circles with the 1st cylindrical body, have than big radius of the radius of the 1st cylindrical body and the 2nd cylindrical body that is connected with the 1st cylindrical body and constitute, be formed with the groove that inserts seal on the outer peripheral face of described the 1st cylindrical body and screw togather the threaded portion that is rotated slip with being used for and being formed on pipe arrangement with the threaded portion on the handle hole of member, the both ends of the surface of valve rod form has central convex shoulder.
In addition, it is the ball valve that uses with member with gas pipe arrangement of the present invention that another kind of gas of the present invention opens and closes with part, and monolithic molding is spherical, and central authorities have through hole, has in spherical side and the rotation chimeric groove of operating grip.
In addition, gas pipe arrangement of the present invention comprises that the gas pipe arrangement opens and closes with part, pressure gauge, joint and pipe arrangement with member, gas.Described gas pipe arrangement is provided with the diverse location of member at lateral surface: the pressure gauge installation portion that gas gauge is installed; Carry out the gas of the supply discharge of gas from the outside and supply with discharge portion; Can insert the accommodation space that gas opens and closes with part and is provided with the joint installation portion that is used to install the joint with pipe arrangement linkage function; And have the communication path that is communicated with described accommodation space, be used for inserting from the outside and make the gas that is inserted in the described accommodation space open and close handle hole with the handle of part action, its inside is formed with respectively with described pressure gauge installation portion, gas supplies with the gas passage that discharge portion, accommodation space are communicated with.Described gas opens and closes and inserts described accommodation space with part, opens and closes described gas passage.Described pressure gauge is installed on the described pressure gauge installation portion.Described joint has the pipe arrangement linkage function that is installed on the described joint installation portion.Described pipe arrangement is installed on the tubing connection portion of described joint.
Adopt words of the present invention, then because of can the function that the gas pipe arrangement is required being the switching of ventilating part and concentrating on the part, so can dwindle the physical dimension of gas pipe arrangement to the function that gas is discharged in the supply of gas sealed container.
In addition, because of constituent part downsizing, simplification,, can reduce cost so can make by general machining.
(4) description of drawings
Fig. 1 is the structural drawing of the gas pipe arrangement of the invention process form 1.
Fig. 2 is the structural drawing of the gas pipe arrangement of the invention process form 1 with member.
Fig. 3 is front view, rear view and the sectional view of the valve rod of the invention process form 1.
Fig. 4 is the stereographic map of the valve rod of the invention process form 1.
Fig. 5 is the partial enlarged drawing of the valve rod of the invention process form 1.
Fig. 6 is the structural drawing of the gas pipe arrangement of the invention process form 2, and the expression gas passage is a closed condition.
Fig. 7 is the figure of major part of the gas pipe arrangement of expression the invention process form 2, is the figure that the expression gas passage is out state.
Fig. 8 is the stereographic map of an example of the ball valve of expression the invention process form 2.
Fig. 9 is the stereographic map of an example of the pad of expression the invention process form 2.
(5) embodiment
Example 1:
Fig. 1～Fig. 5 represents that the gas pipe arrangement, gas pipe arrangement of the invention process form 1 open and close with member and gas and uses part that among the figure, prosign is represented identical or considerable part.
Fig. 1 represents that the integral body of the gas pipe arrangement of example 1 of the present invention constitutes, and Fig. 1 (a) is a front view, and Fig. 1 (b) is the sectional view of the A-A line of Fig. 1 (a).
In Fig. 1, on the pressure gauge installation portion 2 of gas pipe arrangement, be connected with pressure gauge 9 by nut 10 with member 1 (this gas pipe arrangement will be narrated with reference to Fig. 2 in the back with the detailed structure of member).On the joint installation portion 4 of gas pipe arrangement, be connected with the joint 11 that is used to connect gas piping-member 1 and pipe arrangement (not shown) with member 1.Be connected with the pipe arrangement (not shown) that is used to be connected on the gas sealed container (for example casing is not shown) on the tubing connection portion 18 of joint 11.
In the accommodation space 6 of gas pipe arrangement, be inserted with as the gas that seal 13 is provided on the groove and open and close the valve rod 12 of using part with member 1.(detailed structure of this valve rod will be narrated in the back with reference to Fig. 3～Fig. 5.)
Insert handles (not shown) from pipe arrangement with the handle hole 7 of member 1, when the front end of handle is entrenched in the central convex shoulder of valve rod 12, can make valve rod 12 rotations.
At this moment, by being positioned at the threaded portion 8 of gas piping-member 1 inside, valve rod 12 is in axial sliding, and can make as the through hole 5 of gas passage to close or open.
That is, when the periphery of the end face 17 of valve rod abutted on the bottom surface of accommodation space 6, on this surface of contact, through hole 5 was closed.(Fig. 1 represents through hole 5 closing state.)
Below the gas pipe arrangement that uses on the above-mentioned gas pipe arrangement detailed structure with member 1 is described.
Fig. 2 is the structural drawing of gas pipe arrangement with member, and Fig. 2 (a) is a front view, and Fig. 2 (b) is the sectional view of the A-A line of Fig. 2 (a).
In Fig. 2, the gas pipe arrangement for example is made of metallic cubes such as brass, aluminium with member 1, and each lateral surface is provided with: the gas of the pressure gauge installation portion 2 of setting pressure meter, the supply of carrying out gas from the outside and discharge supplies with discharge portion 3, can insert as gas and open and close accommodation space 6 with the valve rod of part.
And be provided with the through hole 5 that is communicated with above-mentioned pressure gauge installation portion 2, gas supply discharge portion 3, accommodation space 6 formation gas passages respectively in cubical inside.
In addition, cubical and above-mentioned accommodation space 6 side in opposite directions is provided with the handle hole 7 that is used to insert the handle (not shown) that makes above-mentioned valve rod 12 actions, and this handle hole 7 has the communication path that is communicated with and extends through accommodation space 6 with accommodation space 6 straight lines.
In addition, on above-mentioned accommodation space 6, be formed with the joint installation portion 4 that is used to install joint 11 with connecting pipings function.
Then, to describing with the valve rod that opens and closes with part as gas that member 1 uses with the above-mentioned gas pipe arrangement.
Fig. 3 represents the valve rod of the invention process form 1, and Fig. 3 (a) is a front view, and Fig. 3 (c) is a rear view, and Fig. 3 (b) is the sectional view of the A-A line of Fig. 3 (c).
In addition, Fig. 4 is the stereographic map of valve rod, and Fig. 5 is the partial enlarged drawing of the X part of Fig. 3 (b).
In Fig. 3, Fig. 4, valve rod 12 is made of with the 2nd cylindrical body 12B that is connected with the 1st cylindrical body the 1st cylindrical body 12A cylindraceous, and the 2nd cylindrical body 12B and the 1st cylindrical body 12A are concentric circles, have the radius bigger than the radius of the 1st cylindrical body.
On side, be formed with and be used to insert the groove 14 of seal 13 and be used to the threaded portion 15 that rotates, slide as the curved surface of the 1st cylindrical body 12A of valve rod 12.In addition, as shown in Figure 5, in the part that the 1st different cylindrical body 12A of radius is connected with the 2nd cylindrical body 12B, the central shaft angulation of the end face 17 relative valve rods of the 2nd cylindrical body 12B is angles than the little α in right angle ° only, is acute angle.
In addition, the two ends of valve rod 12 are cut and have central convex shoulder 16 respectively.A central convex shoulder 16A is used for the chimeric handle that makes valve rod 12 rotations.Another central convex shoulder 16B is not provided with to guarantee to ventilate in order not block through hole 5 when valve rod 12 contacts in gas piping-member 1 slides within and with joint 11.
As mentioned above, adopt the gas pipe arrangement of the invention process form 1, then concentrate switching that ventilating part is arranged with member 1 and, can dwindle physical dimension so compare with gas pipe arrangement in the past to the function of confined gas supply for receptacles discharge gas because of the gas pipe arrangement.
In addition, less because of the equal profile of gas piping-member, valve rod and joint that constitutes the gas pipe arrangement, can make by general machining, so can reduce cost.
In addition,, also can shorten built-up time, so also can reduce assembly expenses along with the minimizing of number of spare parts.
Example 2:
Fig. 6～Fig. 9 represents that the gas pipe arrangement, gas pipe arrangement of the invention process form 2 open and close with member and gas and uses part, and the symbolic representation identical or suitable part identical with Fig. 1 among the figure omitted its detailed description.
In the gas pipe arrangement of the invention process form 2, the gas pipe arrangement is arranged on the position different with example 1 with the accommodation space 6 of member 1, opens and closes as gas and uses ball valve with part.
As shown in Figure 8, this example 2 employed ball valves 19 are made by metal (for example brass, aluminium), and monolithic molding is for roughly spherical, and there is the through hole 22 that becomes the gas passage in central authorities, have the parallel groove 21 of above-mentioned relatively through hole 22.
With in the accommodation space 6 of member 1, the direction of insertion of ball valve is located at the side (being following among the figure) that the communication path with handle hole 7 intersects at the gas pipe arrangement.
That is, as shown in Figure 6, in the gas pipe arrangement of example 2, roughly spherical ball valve 19 inserts the gas pipe arrangement with in the accommodation space 6 of member 1, makes the groove 21 that is located at the side towards handle hole 7.
As shown in Figure 9, this ball valve 19 forms for cylindric resin (for example teflon) is mold formed, and the pad 20 that is configured to be rounded down by an end face inboard is clamped on the depth direction of above-mentioned accommodation space 6.And the joint 11 that will have the connecting pipings function is installed on the joint installation portion 4, and pressure gauge 9 is installed on the pressure gauge installation portion 2, and pipe arrangement (not shown) is installed on the tubing connection portion 18 of above-mentioned joint 11.
Coating lubricant between above-mentioned ball valve 19 and pad 20 inserts handles (not shown) from the gas pipe arrangement with the handle hole 7 of member 1, when the front end of handle is entrenched in the groove 21 of ball valve 19, can make ball valve 19 rotations.At this moment, when the through hole 22 of ball valve 19 was used through hole 5 approximate vertical of member 1 inside with the gas pipe arrangement, through hole 22 was closed (state of Fig. 6), and when almost parallel, through hole 5 is opened (state of Fig. 7) on the contrary.
As mentioned above, adopt the words of the gas pipe arrangement of the invention process form 2, then identical with example 1, because of the gas pipe arrangement is concentrated switching that ventilating part is arranged and discharged the function of gas to the confined gas supply for receptacles with member 1, can dwindle profile so compare with gas pipe arrangement in the past.
In addition, all profile is less because of the gas piping-member that constitutes the gas pipe arrangement, joint, ball valve, pad etc., can make by general machining, so can reduce cost.
In addition,, also can shorten built-up time, so also can reduce assembly expenses along with the minimizing of number of spare parts.
Utilizability on the industry:
The present invention can be used as the gas pipe arrangement classes such as gas-insulated switchgear device, the utilizability height.
Claims (9)
1, a kind of gas pipe arrangement member is characterized in that, is provided with at the diverse location of lateral surface: the pressure gauge installation portion that gas gauge is installed; Carry out the gas of the supply discharge of gas from the outside and supply with discharge portion; Can insert the accommodation space that gas opens and closes with part and is provided with the joint installation portion that is used to install the joint with pipe arrangement linkage function; And have the communication path that is communicated with described accommodation space, be used for inserting from the outside and make the gas that is inserted in the described accommodation space open and close handle hole with the handle of part action, its inside is formed with respectively with described pressure gauge installation portion, gas supplies with the gas passage that discharge portion, accommodation space are communicated with.
2, gas pipe arrangement member as claimed in claim 1, it is characterized in that, handle hole and accommodation space straight line are communicated with, and are used to make as being inserted in the interior gas switching of accommodation space is formed on described handle hole with the threaded portion of the valve rod rotational slide of part communication path.
3, a kind of gas opens and closes uses part, be as opening and closing the valve rod of using part with the gas that member uses with the described gas pipe arrangement of claim 2, it is characterized in that, by the 1st cylindrical body cylindraceous with become concentric circles with the 1st cylindrical body, have than big radius of the radius of the 1st cylindrical body and the 2nd cylindrical body that is connected with the 1st cylindrical body and constitute, be formed with the groove that inserts seal on the outer peripheral face of described the 1st cylindrical body and screw togather the threaded portion that is rotated slip with being used for and being formed on pipe arrangement with the threaded portion on the handle hole of member, the both ends of the surface of valve rod form has central convex shoulder.
4, gas as claimed in claim 3 opens and closes and uses part, it is characterized in that in the part that the 1st cylindrical body is connected with the 2nd cylindrical body, the central shaft angulation of the relative valve rod of end face of the 2nd cylindrical body is an acute angle.
5, gas pipe arrangement member as claimed in claim 1, it is characterized in that, form accommodation space and handle hole, make the gas of accommodation space open and close the communication path intersection of using part direction of insertion and handle hole, on described crossover location, be equipped with as the ball valve of gas switching with part.
6, a kind of gas opens and closes and uses part, be the ball valve of using part as the gas switching of using with member with the described gas pipe arrangement of claim 5, it is characterized in that monolithic molding is spherical, central authorities have through hole, have in spherical side and the rotation chimeric groove of operating grip.
7, a kind of gas pipe arrangement, it is characterized in that, comprise that the gas pipe arrangement opens and closes with part, pressure gauge, joint and pipe arrangement with member, gas, wherein, described gas pipe arrangement is provided with the diverse location of member at lateral surface: the pressure gauge installation portion that gas gauge is installed; Carry out the gas of the supply discharge of gas from the outside and supply with discharge portion; Can insert the accommodation space that gas opens and closes with part and is provided with the joint installation portion that is used to install the joint with pipe arrangement linkage function; And has a communication path that is communicated with described accommodation space, be used for making the gas that is inserted in the described accommodation space open and close the handle hole of the handle that moves with part from the outside insertion, its inside is formed with respectively and described pressure gauge installation portion, gas is supplied with discharge portion, the gas passage that accommodation space is communicated with, described gas opens and closes and inserts described accommodation space with part, open and close described gas passage, described pressure gauge is installed on the described pressure gauge installation portion, described joint has the pipe arrangement linkage function that is installed on the described joint installation portion, and described pipe arrangement is installed on the tubing connection portion of described joint.
8, gas pipe arrangement as claimed in claim 7, it is characterized in that, handle hole and accommodation space straight line are communicated with, be used to make as being inserted in the interior gas switching of accommodation space is formed on described handle hole with the threaded portion of the valve rod rotational slide of part communication path, described as gas open and close with the valve rod of part by the 1st cylindrical body cylindraceous with become concentric circles with the 1st cylindrical body, have than big radius of the radius of the 1st cylindrical body and the 2nd cylindrical body that is connected with the 1st cylindrical body and constitute, be formed with groove that inserts seal and the threaded portion that is used for being formed on the described handle hole on the outer peripheral face of described the 1st cylindrical body and screw togather the threaded portion that is rotated slip, the both ends of the surface of valve rod form has central convex shoulder.
9, gas pipe arrangement as claimed in claim 7, it is characterized in that, form accommodation space and handle hole, make the gas of accommodation space open and close the communication path intersection of using part direction of insertion and handle hole, it is ball valve that described gas opens and closes with part, and its monolithic molding is spherical, and central authorities have through hole, have and the rotation chimeric groove of operating grip in spherical side, on described crossover location, be adapted to described groove towards handle hole.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2003/016661 WO2005064304A1 (en) | 2003-12-25 | 2003-12-25 | Block for gas piping, gas piping using the block, and gas opening/closing part used for the gas piping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1771432A true CN1771432A (en) | 2006-05-10 |
Family
ID=34717654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200380110310.9A Pending CN1771432A (en) | 2003-12-25 | 2003-12-25 | Component for gas piping, gas piping using the component, and gas opening/closing part used for the gas piping |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP4566131B2 (en) |
| CN (1) | CN1771432A (en) |
| TW (1) | TWI252287B (en) |
| WO (1) | WO2005064304A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102003587A (en) * | 2010-11-15 | 2011-04-06 | 中国农业大学 | Rotating joint for vacuum device |
| CN104482245A (en) * | 2014-12-09 | 2015-04-01 | 四川制动科技股份有限公司 | Quick-common conversion mechanism for railway braking valve |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100832696B1 (en) * | 2008-01-18 | 2008-05-28 | 임권현 | Vacuum chuck |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2427905A1 (en) * | 1974-06-10 | 1976-01-02 | Hoke Inc | Remote controlled valve union head - has valve alternately connecting second and fourth and third and fourth internal passages together |
| JPS5929737U (en) * | 1982-08-20 | 1984-02-24 | 株式会社ほくさん | Simple gas tester for medical gas piping |
| JPH0633875B2 (en) * | 1986-10-14 | 1994-05-02 | 株式会社ネリキ | Container valve with residual pressure indicator for portable oxygen breathing cylinder |
| JPH083774Y2 (en) * | 1991-12-24 | 1996-01-31 | 株式会社不二工機製作所 | Motorized valve for water |
| JPH05336629A (en) * | 1992-06-03 | 1993-12-17 | Nissin Electric Co Ltd | Gas density monitor for gas-insulated switching device |
| JPH0653946U (en) * | 1992-12-25 | 1994-07-22 | 潤 米泉 | Water pipe pressure gauge |
| JPH11325273A (en) * | 1998-05-13 | 1999-11-26 | Hitachi Metals Ltd | Metal diaphragm valve |
| JP2001255226A (en) * | 2000-03-10 | 2001-09-21 | Osaka Gas Co Ltd | Gas pressure measuring instrument |
-
2003
- 2003-12-25 WO PCT/JP2003/016661 patent/WO2005064304A1/en active Application Filing
- 2003-12-25 JP JP2005512791A patent/JP4566131B2/en not_active Expired - Fee Related
- 2003-12-25 CN CN200380110310.9A patent/CN1771432A/en active Pending
-
2004
- 2004-04-01 TW TW093109028A patent/TWI252287B/en not_active IP Right Cessation
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102003587A (en) * | 2010-11-15 | 2011-04-06 | 中国农业大学 | Rotating joint for vacuum device |
| CN102003587B (en) * | 2010-11-15 | 2012-08-22 | 中国农业大学 | Rotating joint for vacuum device |
| CN104482245A (en) * | 2014-12-09 | 2015-04-01 | 四川制动科技股份有限公司 | Quick-common conversion mechanism for railway braking valve |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI252287B (en) | 2006-04-01 |
| WO2005064304A1 (en) | 2005-07-14 |
| TW200521367A (en) | 2005-07-01 |
| JP4566131B2 (en) | 2010-10-20 |
| JPWO2005064304A1 (en) | 2007-07-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1268861C (en) | Valve device | |
| CN1508462A (en) | Gate valve | |
| CN1298783A (en) | Work-clamping means | |
| CN1301381C (en) | Valve cock and valve | |
| CN1462842A (en) | Semisphere valve | |
| CN1626834A (en) | Valve | |
| CN1740626A (en) | Coupling for cryogenic media | |
| CN1771432A (en) | Component for gas piping, gas piping using the component, and gas opening/closing part used for the gas piping | |
| CN1768226A (en) | Fluid controller | |
| CN1302965A (en) | Two way selector valve | |
| US6170797B1 (en) | Rotary actuator | |
| CN1169627C (en) | Metering device for fluid products | |
| CN213332695U (en) | Oil tank on-off valve, engine oil supply system and automobile | |
| CN1776231A (en) | Variable capacity rotary compressor | |
| CN2174605Y (en) | Plane revoluting multi-purpose switching valve | |
| CN201209069Y (en) | Split-type inserting plate door | |
| CN210798599U (en) | Install in commentaries on classics of watertight door and lead to door sealing member | |
| CN111779861A (en) | Steel ball rotation type oil tank change-over valve | |
| CN1138083C (en) | Pipe-fitting joint and fire truck | |
| CN2683981Y (en) | Snap ring with cutting head | |
| CN1690488A (en) | Sliding-vane rotary valve | |
| CN1621693A (en) | Variable capacity rotary compressor | |
| CN2844789Y (en) | A kind of solar water heater phase change heat pipe seal nipple | |
| CN2702134Y (en) | Slice rotating valve | |
| CN220646795U (en) | Multilayer sealing butterfly valve convenient to equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 1087775 Country of ref document: HK |
|
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: WD Ref document number: 1087775 Country of ref document: HK |