CN201284850Y - Stopcock combination valve - Google Patents
Stopcock combination valve Download PDFInfo
- Publication number
- CN201284850Y CN201284850Y CNU2008200248859U CN200820024885U CN201284850Y CN 201284850 Y CN201284850 Y CN 201284850Y CN U2008200248859 U CNU2008200248859 U CN U2008200248859U CN 200820024885 U CN200820024885 U CN 200820024885U CN 201284850 Y CN201284850 Y CN 201284850Y
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- China
- Prior art keywords
- valve
- valve rod
- nut
- assembly
- stopcock
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- 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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- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 claims abstract description 15
- 210000004907 gland Anatomy 0.000 claims description 21
- 239000000945 filler Substances 0.000 claims description 10
- 238000012856 packing Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 abstract description 14
- 230000002265 prevention Effects 0.000 abstract 2
- 230000009977 dual effect Effects 0.000 abstract 1
- 238000001179 sorption measurement Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 230000002950 deficient Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 239000013535 sea water Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Details Of Valves (AREA)
Abstract
The utility model discloses a disconnecting and plugging combination valve which belongs to the field of valves and relates to a disconnecting valve and a plug valve. The utility model is characterized in that the lower end of the valve body is installed on a connecting board arranged at the bottom of a cabin; a valve cover is installed at the upper end of the valve body; a bracket is installed at the upper end of the valve cover; the lower part of a valve rod is arranged in a cavity formed between the valve rod and the valve cover; and the middle upper part of the valve rod is arranged in a center hole of the bracket. A valve clack assembly is installed at the lower end of the valve rod; a plug valve assembly is installed on the tetragonal body arranged at the lower half part of the valve body; a sealing assembly is installed at the middle of the valve rod; a guide assembly is installed at the middle upper part of the valve rod; and a driving assembly is installed at the upper part of the valve rod and is connected with the upper end of the bracket. The valve has four functions of dual sealing, leakage prevention, block prevention and full draining; because of reasonable and skilful structure design, and good and reliable sealing performance, the valve can not be blocked because of the adsorption of sea living creatures such as shells; the operation is flexible and rapid, and thereby, the reliable realization of the four functions is ensured. The valve is used for the bottom stowage and the draining of offshore oil platforms, ships, naval vessels and the like to ensure mooring and navigation safety.
Description
(1) technical field
Structural type of the present utility model relates to stop valve and stopcock.Its function pattern is a two-way valve, is installed in marine portable oil platform, boats and ships, naval vessels isoballast bilge portion, is used for into, draining.It particularly is a kind of stopcock combination brake switch and proporting.
(2) background technique
Marine portable oil platform, boats and ships, naval vessels isoballast cabin are advanced, the draining two-way valve, and at present the most frequently used has three kinds: right-angle type stop valve, right-angle type stop valve and one way stop peturn valve equipped, end and non-return integral type cabin-bottom valve.Its shortcoming is respectively: poor sealing performance, easily by foreign material jam in the seawater, easily leak, and the water in the ballast tank can not all emit.These fatal shortcomings are major safety risks of platform, boats and ships, naval vessels.Patent documentation by retrieval, have two pieces a little less than relevant documents, number of patent application is 200510045517.3 and 200520125587.5, than above-mentioned prior art certain innovation is arranged.Though have double-sealing, anti-jam, leakage proof simultaneously, discharge four functions entirely,, still can not realize these functions very reliably because there are some defectives in structural design.One of its defective is: the interior edge face of seal ring 10 is its important faces that are sealed and matched, owing to be easy to deflection during seal ring 10 assembling, produce the gap and loses seal action, and double-sealing has just lost primary seal.Two of defective is: connect with the guide assembly parts between expanding tense machine 7, valve plate 8, guide plate 11 threes.Perhaps, the routine environment is out of question on land, but sinks to for a long time in the seawater, is easy to adhere to the shell marine growth herein, and is difficult to remove, and causes commentaries on classics, slip to be stuck, and this valve can not open or cut out.If poor sealing opens and closes malfunctioningly, just there is not the leakage proof function certainly.Three of defective is: stuffing box packing 18 mounting or dismounting between valve rod 5 middle parts and the valve gap 14 are inconvenient, and its compression stroke is too little, and how much not directly perceived the compression adjustment amount is, and structure is complicated.Four of defective is: be that valve rod 5 first halves are trapezoidal screw, the screw thread place drives vertical keyway, and this is worthless in Machine Design.It is discontinuous that keyway makes that screw thread disconnects, and is stuck easily.Five of defective is: valve rod travel is oversize during keying, can not fast opening and closing.In sum, existing routine techniques or patented technology all exist critical defect and deficiency, can not satisfy that offshore oil platform, boats and ships, naval vessels isoballast cabin advance, the specific (special) requirements of draining, therefore can not guarantee that it berths or navigation safety.
(3) summary of the invention
The purpose of this utility model just is autonomous innovation, develops and provide a kind of distinguished stopcock combination brake switch and proporting.The structural feature of stop valve and stopcock is combined together dexterously, have the repertoire of stop valve and stopcock, form double-sealing.On structural design, fully take into account the special environment condition in the seawater, guarantee reliable in function such as anti-jam, leakage proof, full discharging and do not lose efficacy.
Above-mentioned purpose is realized by following technical proposals:
The stopcock combination brake switch and proporting comprises valve body, valve gap, support, valve rod, flap assembly, cock assembly, sealed letter assembly, guiding assemblage and driving assembly.It is characterized in that valve body lower end is installed on the bilge joining plate.Valve gap is installed in the valve body upper end.Support is installed in the valve gap upper end.The inner chamber that the valve rod Lower Half places valve body and valve gap to constitute, the valve rod middle and upper part places the center hole of support.The flap assembly is installed in the valve rod underpart, and the cock assembly is installed on the tetragonal body of valve rod middle and lower part, and the sealed letter assembly is installed in the valve rod middle part, and guiding assemblage is installed in the valve rod middle and upper part, drives assembly and is installed in valve rod top, and connect with the support upper end.
There is circular groove valve rod underpart in the above-mentioned stopcock combination brake switch and proporting, on the valve rod more than the circular groove tetragonal body is arranged, and on the valve rod more than the tetragonal body one section outside thread is arranged, and the first half of valve rod has the through hole that the circular radial taper pin is installed, and trapezoidal thread is arranged at the top of valve rod.
Flap assembly in the above-mentioned stopcock combination brake switch and proporting by flap, split annulus, flap lid and floor clip is formed.Split annulus and be contained in the circular groove of valve rod underpart, block valve rod and do not jump up and down.The flap lid is contained in flap top, and uses scyewed joint.Floor clip is contained between flap lid and the flap upper end.
Cock assembly in the above-mentioned stopcock combination brake switch and proporting is made up of cock, pressure cap and nut.The hole, four directions, center of cock cooperates with the tetragonal body on the valve rod, and cock is sleeved on the valve rod.Pressure cap is contained in cock upper end-hole place, and its internal thread connects with the outside thread of valve rod.Nut is contained in above the pressure cap.
Sealed letter assembly in the above-mentioned stopcock combination brake switch and proporting is made up of filler, Gland, swing bolt, nut, bearing pin and cotter pin.Filler is contained in the stuffing box of the valve gap first half.Gland compresses filler by two swing bolts and nut.The swing bolt lower end connects with valve gap with bearing pin and cotter pin.
Guiding assemblage in the above-mentioned stopcock combination brake switch and proporting is made up of guide rail sleeve, guide finger, nut and taper pin.Guide rail sleeve is fixed on the valve rod with taper pin, and guide finger and nut are radially rack-mount, and the front end of guide finger is inserted in the guiding groove on the guide rail sleeve.
Guide rail sleeve in the above-mentioned stopcock combination brake switch and proporting is a round tube shape, and guiding groove and circular cone pin-and-hole are arranged on the guide rail sleeve.Guiding groove comprises longitudinal component and lateral part, and its lateral part radian is 90 °.
Driving assembly in the above-mentioned stopcock combination brake switch and proporting is made up of Stem Mut, nut gland, support column, running shaft, packing ring, thrust-bearing, bearing gland, handwheel and nut.Stem Mut is contained in the valve rod upper end portion, and is pushed down its outer wall bottom by the nut gland, and the hexahedron on Stem Mut outer wall top cooperates with the hexagonal hole of running shaft bottom.Between running shaft and the support column top packing ring, thrust-bearing and bearing gland are installed.Handwheel and nut are installed in the running shaft upper end.
According to the stopcock combination brake switch and proporting that technique scheme manufactures, realize primary seal by the flap assembly, realize secondary seal by the cock assembly.Because of reasonable in design is ingenious, the tight no gap of sealing surface contact, and be not afraid of and adhere to foreign material jam in marine growth and the water, so good seal is reliable, flexible operation is quick, and is non-leakage.When berthing ballast, can prevent that water in the cabin to seepage out of my cabin, can prevent that also water out of my cabin from infiltrating in the cabin, whole platform or hull can keep the ballast equilibrium of forces stable.In addition, because the primary seal surface of contact of flap and valve body is lower than the ballast tank bottom plane, so depart when unloading, the ballast water in the cabin can all emit.When preventing platform towage or ship's navigation in the cabin remaining water elutration moving, and cause platform or hull shakiness, jolt, even capsizing case.
(4) description of drawings
Accompanying drawing 1 is that the utility model stopcock combination brake switch and proporting overall structure is partly cutd open and schematic representation is cutd open in the middle part rotation.
Accompanying drawing 2 is the local schematic top plan view of A-A section of Fig. 1.
Accompanying drawing 3 is B-B sectional schematic diagrams of Fig. 1.
Accompanying drawing 4 is that Fig. 1 middle guide overlaps 26 plan views.
Accompanying drawing 5 is left views of Fig. 4.
Accompanying drawing 6 is plan views of Fig. 4.
(5) embodiment
Embodiment of accompanying drawings:
Among Fig. 1, the 1st, valve body, the 2nd, cock, the 3rd, flap, the 4th, split annulus, the 5th, flap lid, the 6th, floor clip, the 7th, valve rod, the 8th, pressure cap, the 9th, nut, the 10th, sealing gasket, the 11st, valve gap, 12,13,15, the 16th, connect double-screw bolt, nut, the 14th, filler, the 17th, support, the 18th, bearing pin, the 19th, cotter pin, the 20th, Gland, 21, the 22nd, swing bolt, nut, the 23rd, taper pin, the 24th, guide finger, the 25th, nut, the 26th, guide rail sleeve, the 27th, Stem Mut, the 28th, nut gland, the 29th, support column, the 30th, running shaft, the 31st, packing ring, the 32nd, thrust-bearing, the 33rd, bearing gland, the 34th, handwheel, the 35th, nut, the 36th, bilge joining plate, the 37th, bolt, the 38th, sealing gasket.Among Fig. 1, C is valve body lower end turnover, water hole, D be the valve body side into and out of the water hole, E is that cock is into and out of the water hole.Among Fig. 4,5, F is the circular cone pin-and-hole on the guide rail sleeve 26, and G is the guiding groove on the guide rail sleeve 26.
Accompanying drawing 1 middle part valve gap 11 and support 17 are 90 ° of revolved sectional views, and all the other are half sectional view.
By shown in Figure 1, the stopcock combination brake switch and proporting comprises valve body 1, valve gap 11, support 17, valve rod 7, flap assembly, cock assembly, sealed letter assembly, guiding assemblage and driving assembly.It is characterized in that valve body 1 lower end is installed on the bilge joining plate 36 with bolt 37.Valve gap 11 usefulness connect double-screw bolt 12, nut 13 is installed in valve body 1 upper end.Support 17 usefulness connect double-screw bolt 15, nut 16 is installed in valve gap 11 upper ends.The inner chamber that valve rod 7 Lower Halves place valve body 1 and valve gap 11 to constitute, valve rod 7 middle and upper parts place the center hole of support 17.The flap assembly is installed in valve rod 7 underparts, and the cock assembly is installed on the tetragonal body of valve rod 7 Lower Halves, and the sealed letter assembly is installed in valve rod 7 middle parts, and guiding assemblage is installed in valve rod 7 first halves, drives assembly and is installed in valve rod 7 tops, and connect with support 17 upper ends.
By shown in Figure 1, there is circular groove valve rod 7 underparts, on the valve rod more than the circular groove tetragonal body are arranged, and on the valve rod more than the tetragonal body one section outside thread are arranged, and the first half of valve rod 7 has the through hole F that circular radial taper pin 23 usefulness are installed, and trapezoidal thread is arranged at the top of valve rod 7.
By shown in Figure 1, the flap assembly by flap 3, split annulus 4, flap lid 5 and floor clip 6 is formed.Split annulus 4 and be contained in the valve rod 7 underpart circular grooves, block valve rod 7 and do not jump up and down.Flap lid 5 is contained in flap 3 tops, and uses scyewed joint.Floor clip 6 is contained between flap lid 5 and flap 3 upper ends.
By shown in Figure 1, the cock assembly is made up of cock 2, pressure cap 8 and nut 9.Cock 2 tops have hole, center four directions to cooperate with tetragonal body on the valve rod 7.Pressure cap 8 is contained in cock 2 upper end-hole places, and pressure cap 8 internal threads connect with the outside thread of valve rod 7.Nut 9 is contained in above the pressure cap 8.
By Fig. 1, shown in Figure 2, the sealed letter assembly is made up of filler 14, Gland 20, swing bolt 21, nut 22, bearing pin 18 and cotter pin 19.Filler 14 is contained in the stuffing box of valve gap 11 first halves.Gland 20 compresses filler 14 by two swing bolts 21 and nut 22.Swing bolt 21 lower ends connect with valve gap 11 with bearing pin 18 and cotter pin 19.
By Fig. 1, shown in Figure 3, guiding assemblage is made up of guide rail sleeve 26, guide finger 24, nut 25 and taper pin 23.Guide rail sleeve 26 usefulness taper pins 23 are fixed on the valve rod 7, and guide finger 24 and nut 25 radially are installed on the support 17, and the front end of guide finger 24 is inserted among the guiding groove G on the guide rail sleeve 26.
Shown in Fig. 4,5,6, guide rail sleeve 26 is a round tube shape, and guiding groove G and circular cone pin-and-hole F are arranged on the guide rail sleeve 26.Guiding groove G comprises longitudinal component and lateral part, and the radian of its lateral part is 90 °.
By shown in Figure 1, drive assembly and form by Stem Mut 27, nut gland 28, support column 29, running shaft 30, packing ring 31, thrust-bearing 32, bearing gland 33, handwheel 34 and nut 35.Stem Mut 27 is contained in valve rod 7 tops, and is pushed down its outer wall bottom by nut gland 28, and the hexahedron on Stem Mut 27 outer wall tops cooperates with the hexagonal hole of running shaft 30 bottoms.Packing ring 31, thrust-bearing 32 and bearing gland 33 are installed between running shaft 30 and support column 29 tops.Handwheel 34 and nut 35 are installed in running shaft 30 upper ends.
Stopcock combination brake switch and proporting operational instruction: accompanying drawing 1 is depicted as full closing state.Guarantee that the inside and outside water of ballast tank can not be into and out of circulation this moment, and because of good seal non-leakage.During Open valve, rotate counterclockwise handwheel 34 earlier, driven rotary axle 30 rotates, and running shaft 30 drives Stem Mut 27 again and rotates and do not move axially, and Stem Mut 27 drives valve rod 7 and moves up, and guide rail sleeve 26 and valve rod 7 move up together.Handwheel 34 rotates about 5 circles, and the front end of guide finger 24 is in guide rail sleeve 26 guiding groove G longitudinal components bottom, and flap 3 was driven by valve rod 7 and moved on to the extreme higher position this moment, valve body 1 lower end be full open mode into and out of water hole C.Continue to rotate counterclockwise handwheel 34 about 90 ° again, the front end of guide finger 24 is in the left end of guide rail sleeve 26 guiding groove G lateral parts, tetragonal body on the valve rod 7 also drives cock 2 and rotates 90 °, and the side opening E of cock 2 overlaps fully with the side opening D of valve body 1 and is communicated with, and water enters ballast tank by the D hole.When water is filled into the tonnage of requirement and liquid level, throttle down then.During throttle down, clockwise rotate handwheel 34 about 90 ° earlier, make cock 2 also rotate 90 °, the side opening D of valve body 1.The front end of guide finger 24 is in the right-hand member of guiding groove lateral part on the guide rail sleeve 26 at this moment.Continue to clockwise rotate handwheel 34 about 5 circles again, 7 of valve rods move down no longer and rotate, and drive the C hole that flap 3 moves down complete valve body 1 lower end.When needing in the Open valve discharge compartment ballast water, operating procedure repeats no more with above-mentioned Open valve.
This shows that no matter when empty cabin or ballasting, this valve is double-sealing state still not, and because of reasonable in design, there is not the fit up gap in sealing surface, can guarantee that double-sealing is good all the time reliable, just guarantees non-leakage for a long time yet.Even valve adheres to the shell marine growth, still can flexible operating, the jam phenomenon can not take place.Tetragonal body on the valve rod 7 cooperates with the cubic hole of cock 2, can bear enough big moment of torsion when valve opens and closes.During the unloading draining, the water in the ballast tank through the C hole, is all discharged to low energy by height more earlier through the D hole, guarantees platform towage or ships navigation safety.
Claims (7)
1. stopcock combination brake switch and proporting, comprise valve body (1), valve gap (11), support (17), valve rod (7), the flap assembly, the cock assembly, the sealed letter assembly, guiding assemblage and driving assembly, it is characterized in that valve body (1) lower end is installed on the bilge joining plate (36) with bolt (37), valve gap (11) is with connecting double-screw bolt (12), nut (13) is installed in valve body (1) upper end, support (17) is with connecting double-screw bolt (15), nut (16) is installed in valve gap (11) upper end, the inner chamber that valve rod (7) Lower Half places valve body (1) and valve gap (11) to constitute, valve rod (7) middle and upper part places the center hole of support (17), the flap assembly is installed in valve rod (7) underpart, the cock assembly is installed on the tetragonal body of valve rod (7) Lower Half, the sealed letter assembly is installed in valve rod (7) middle part, guiding assemblage is installed in valve rod (7) first half, drive assembly and be installed in valve rod (7) top, and connect with support (17) upper end.
2. stopcock combination brake switch and proporting according to claim 1, it is characterized in that there is circular groove valve rod (7) underpart, on the valve rod (7) more than the circular groove tetragonal body is arranged, on the valve rod (7) more than the tetragonal body one section outside thread is arranged, the first half of valve rod (7) has the through hole (F) that circular radial taper pin (23) usefulness is installed, and trapezoidal thread is arranged at the top of valve rod (7).
3. stopcock combination brake switch and proporting according to claim 1, it is characterized in that the cock assembly is made up of cock (2), pressure cap (8) and nut (9), cock (2) top has hole, center four directions to cooperate with tetragonal body on the valve rod (7), pressure cap (8) is contained in cock (2) upper end-hole place, pressure cap (8) internal thread connects with the outside thread of valve rod (7), and nut (9) is contained in above the pressure cap (8).
4. stopcock combination brake switch and proporting according to claim 1, it is characterized in that the sealed letter assembly is made up of filler (14), Gland (20), swing bolt (21), nut (22), bearing pin (18) and cotter pin (19), filler (14) is contained in the stuffing box of valve gap (11) first half, Gland (20) compresses filler (14) by two swing bolts (21) and nut (22), and swing bolt (21) lower end connects with valve gap (11) with bearing pin (18) and cotter pin (19).
5. stopcock combination brake switch and proporting according to claim 1, it is characterized in that guiding assemblage is made up of guide rail sleeve (26), guide finger (24), nut (25) and taper pin (23), guide rail sleeve (26) is fixed on the valve rod (7) with taper pin (23), guide finger (24) and nut (25) radially are installed on the support (17), and the front end of guide finger (24) is inserted in the chute (G) on the guide rail sleeve (26).
6. stopcock combination brake switch and proporting according to claim 5, it is characterized in that guide rail sleeve (26) is a round tube shape, guiding groove (G) and two circular cone pin-and-holes (F) are arranged on the guide rail sleeve (26), and guiding groove (G) comprises longitudinal component and lateral part, and the radian of its lateral part is 90 °.
7. stopcock combination brake switch and proporting according to claim 1, it is characterized in that driving assembly by Stem Mut (27), nut gland (28), support column (29), running shaft (30), packing ring (31), thrust-bearing (32), bearing gland (33), handwheel (34) and nut (35) are formed, Stem Mut (27) is contained in valve rod (7) top, and pushed down its outer wall bottom by nut gland (28), the hexahedron on Stem Mut (27) outer wall top cooperates with the hexagonal hole of running shaft (30) bottom, between running shaft (30) and support column (29) top packing ring (31) is installed, thrust-bearing (32) and bearing gland (33), handwheel (34) and nut (35) are installed in running shaft (30) upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200248859U CN201284850Y (en) | 2008-07-02 | 2008-07-02 | Stopcock combination valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200248859U CN201284850Y (en) | 2008-07-02 | 2008-07-02 | Stopcock combination valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201284850Y true CN201284850Y (en) | 2009-08-05 |
Family
ID=40949835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200248859U Expired - Lifetime CN201284850Y (en) | 2008-07-02 | 2008-07-02 | Stopcock combination valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201284850Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101303089B (en) * | 2008-07-02 | 2011-06-01 | 胜利油田胜利阀业有限责任公司 | Stopcock |
| CN102401151A (en) * | 2011-08-03 | 2012-04-04 | 霍刚 | Safety discharge valve |
| CN103256411A (en) * | 2012-02-16 | 2013-08-21 | 新仓工业株式会社 | Valve for hold of ship |
| CN110300866A (en) * | 2017-02-23 | 2019-10-01 | 弗吕斯旋转技术有限公司 | Valve top |
-
2008
- 2008-07-02 CN CNU2008200248859U patent/CN201284850Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101303089B (en) * | 2008-07-02 | 2011-06-01 | 胜利油田胜利阀业有限责任公司 | Stopcock |
| CN102401151A (en) * | 2011-08-03 | 2012-04-04 | 霍刚 | Safety discharge valve |
| CN103256411A (en) * | 2012-02-16 | 2013-08-21 | 新仓工业株式会社 | Valve for hold of ship |
| CN103256411B (en) * | 2012-02-16 | 2015-07-15 | 新仓工业株式会社 | Valve for hold of ship |
| CN110300866A (en) * | 2017-02-23 | 2019-10-01 | 弗吕斯旋转技术有限公司 | Valve top |
| CN110300866B (en) * | 2017-02-23 | 2021-12-21 | 弗吕斯旋转技术有限公司 | Valve top |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090805 Effective date of abandoning: 20080702 |