CN207961827U - Pipe jointer sealing ring - Google Patents
Pipe jointer sealing ring Download PDFInfo
- Publication number
- CN207961827U CN207961827U CN201820201422.9U CN201820201422U CN207961827U CN 207961827 U CN207961827 U CN 207961827U CN 201820201422 U CN201820201422 U CN 201820201422U CN 207961827 U CN207961827 U CN 207961827U
- Authority
- CN
- China
- Prior art keywords
- glue
- sealing
- injecting
- hole
- injecting glue
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 173
- 239000003292 glue Substances 0.000 claims abstract description 175
- 238000002347 injection Methods 0.000 claims abstract description 29
- 239000007924 injection Substances 0.000 claims abstract description 29
- 210000003205 muscle Anatomy 0.000 claims abstract description 27
- 238000003860 storage Methods 0.000 claims description 26
- 241000283216 Phocidae Species 0.000 claims description 22
- 241000233855 Orchidaceae Species 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 abstract description 4
- 239000000565 sealant Substances 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 description 24
- 238000010168 coupling process Methods 0.000 description 24
- 238000005859 coupling reaction Methods 0.000 description 24
- 238000010586 diagram Methods 0.000 description 16
- YAFQFNOUYXZVPZ-UHFFFAOYSA-N liproxstatin-1 Chemical compound ClC1=CC=CC(CNC=2C3(CCNCC3)NC3=CC=CC=C3N=2)=C1 YAFQFNOUYXZVPZ-UHFFFAOYSA-N 0.000 description 13
- 239000000463 material Substances 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/06—Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe-ends
- F16L21/065—Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe-ends tightened by tangentially-arranged threaded pins
-
- 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
- F16L13/00—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
- F16L13/10—Adhesive or cemented joints
- F16L13/11—Adhesive or cemented joints using materials which fill the space between parts of a joint before hardening
-
- 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
- F16L23/00—Flanged joints
- F16L23/006—Attachments
-
- 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
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/165—Flanged joints characterised by the sealing means comprising a viscous mass, e.g. hardenable
-
- 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
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
- F16L23/22—Flanged joints characterised by the sealing means the sealing means being rings made exclusively of a material other than metal
-
- 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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/168—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
- F16L55/175—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by using materials which fill a space around the pipe before hardening
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The utility model discloses a kind of pipe jointer sealing ring, including the cricoid muscle portion of radial extension and axially extending cricoid lip, the muscle portion both sides are both provided with cricoid seal groove, and the seal groove of both sides is interconnected；Along several hole for injecting glue that are circumferentially provided with of muscle portion, seal groove is communicated with the hole for injecting glue, and the outer end of hole for injecting glue is provided with glue injection machine interface.The utility model pipe jointer sealing ring reserves backup seal chamber and injecting glue interface by setting；After sealing element leaks, fluid sealant is injected from injecting glue interface, the backup seal chamber is full of, realizes the secondary seal to pipe jointer.By secondary seal, system shutdown caused by avoiding individual seal leakages overhauls, and not only reduces the cost for replacing system sealing part, moreover, saving the high cost that additional system shutdown maintenance generates；With very high economic benefit.
Description
Technical field
The utility model is related to pressure pipeline apparatus field, specially a kind of pipe jointer sealing ring.
Background technology
One pipe-line system usually contains tens of or even hundreds of pipe jointers, and any one pipe jointer seals
Failure leaks, which is exactly impaired operation.If flowed in pipeline be toxic, harmful fluids or it is inflammable,
Explosive fluid, any one pipe jointer seal failure can all force entire pipe-line system parking maintenance, otherwise be easy to draw
Send out major accident.
Pipe jointer at present, such as flange, card orchid, all use gasket or seal ring structure.Common gasket,
Such as：Wave tooth pad, wound gasket, asbestos pad, rubber pad etc., or even also soft metal is padded, such as red copper pad；Common sealing ring, such as：
Convex lens ring, octagonal ring, self-sealing ring etc..Above-mentioned sealing structure is to be concerned with how preferably to seal or extend sealing element
Service life；But then good sealing element also have service life.Once entire to be because a seal leakage leads to parking maintenance
The pressure of system must be laid down, and therefore, the sealing element of whole system will receive different damages, it has to all be changed, be caused
Huge waste.Parking maintenance is not only delayed the production cycle, but also causes a large amount of wastes of logistics, and the processing of correlative is also
No small expense.How reducing influence of individual seal leakages to production system, to be that those skilled in the art are faced great
Project.
Utility model content
The purpose of this utility model is to provide a kind of structure novel uniqueness, easy to use, and can reduce individual sealings
Part leaks the pipe jointer sealing ring influenced on whole system；Specific technical solution is：
Pipe jointer sealing ring, including the cricoid muscle portion radially extended and axially extending cricoid lip, it is described
The outside in the lip radially is arranged in muscle portion；The muscle portion both sides are both provided with cricoid sealing leakage glue storage tank, both sides
The sealing leakage glue storage tank is interconnected；Along several hole for injecting glue that are circumferentially provided with of muscle portion, sealing leakage glue storage tank and the note
Glue hole communicates, and the outer end of hole for injecting glue is provided with glue injection machine interface.
Further, the sealing pair for preventing sealing leakage glue to outside pipe or to pipe internal leakage is provided in the sealing leakage glue storage tank
Ring.
Further, the muscle portion includes being provided with the glue injection part of the hole for injecting glue and being provided with the sealing leakage glue storage tank
Interconnecting piece；Muscle portion is wholely set or is provided separately with the lip, connects together.
Further, the glue injection part is wholely set or is provided separately with the interconnecting piece, is set-located.
Further, it is provided with shut-off valve on the glue injection machine interface.
Further, outside and inside in the sealing leakage glue storage tank radially is arranged in the sealing inner loop；Outside it is close
Seal inner loop along central axis direction outer end face be outer conical surface, inside sealing inner loop along central axis direction outer end face be inner circle
The angular range at the base angle of the conical surface, the internal conical surface and the outer conical surface is 6 ° ± 1 °.
Further, the sealing inner loop is provided only on the outside of the sealing leakage glue storage tank radially, and sealing inner loop is in
The outer end face in mandrel direction is outer conical surface, and the angular range at the base angle of the outer conical surface is 14 ° ± 2 °.
Further, the material identical or close of the material and sealing leakage glue of the sealing inner loop.
Further, the material of the sealing inner loop is one kind in polytetrafluoroethylene (PTFE), rubber, graphite.
The invention also discloses one kind carrying leak stopping ring self sealss flange, including set section, card are blue, T-type sealing ring and
Ball-type nut, bolt composition, which is characterized in that further include a leak stopping ring, the leak stopping ring is T-type ring or I-shaped type ring, if
The outer rim in T-type sealing ring is set, the inner edge of the leak stopping ring is contacted with the outer rim of T-type sealing ring, the most wide ruler of the leak stopping ring
It is very little consistent with the minimum widith of T-type sealing ring；At least set section described in side is equipped with hole for injecting glue, the position of the hole for injecting glue with it is stifled
The cavity formed between leakage ring and set section corresponds to, and the set section is externally connected with rubber injecting valve, and the rubber injecting valve passes through spiral shell with hole for injecting glue
Line connects, and the blue upper corresponding position of the card is equipped with injecting glue notch, and rubber injecting valve is arranged in injecting glue notch, and the rubber injecting valve is equipped with
Adjusting nut, valve body of the adjusting nut perpendicular to rubber injecting valve.
Further, the leak stopping ring is equipped with several through-holes, and set section is equipped with hole for injecting glue described in side.
Further, it is designed with hole for injecting glue on set section described in both sides.
Further, the internal diameter of the hole for injecting glue is 1-10mm, and the internal diameter at hole for injecting glue internal thread is 4-6mm.
The invention also discloses a kind of improved self sealss flanges with leak stopping function, including set section, card are blue, T-type
Sealing ring and ball-type nut, bolt composition, which is characterized in that the T-type portion at least side of the T-type sealing ring is equipped with groove, institute
It states set section and is equipped with hole for injecting glue, the hole for injecting glue is correspondingly arranged on the gap between groove and set section, the position of corresponding hole for injecting glue
It sets, set section is externally connected with rubber injecting valve, and the rubber injecting valve is connected through a screw thread with hole for injecting glue, and the blue upper corresponding position of the card is equipped with note
Glue notch, rubber injecting valve are arranged in injecting glue notch, and the rubber injecting valve is equipped with adjusting nut, and the adjusting nut is perpendicular to injecting glue
The valve body of valve.
Further, the side set section is equipped with hole for injecting glue, and the T-type portion side of the T-type sealing ring is equipped with groove, groove
With hole for injecting glue in homonymy.
Further, the side set section is equipped with hole for injecting glue, and the T-type portion both sides of the T-type sealing ring are equipped with groove, both sides
Groove be connected to by through-hole.
Further, it is equipped with hole for injecting glue on the both sides set section, the T-type portion both sides of the T-type sealing ring are equipped with groove.
Further, the internal diameter of the hole for injecting glue is 1-10mm, and the internal diameter at hole for injecting glue internal thread is 4-6mm.
Further, it is connect with rubber injecting valve at least provided with a hole for injecting glue, hole for injecting glue on T-type sealing ring.
The invention also discloses it is a kind of can injecting glue leak stopping self sealss flange, including set section, card are blue, T-type sealing ring
It is formed with ball-type nut, bolt, which is characterized in that the position that set section inside T-type root corresponds to T-type sealing ring T-type area is set
There is chamfering, the chamfering, which corresponds to, covers section outside T-type root equipped with hole for injecting glue, and the hole for injecting glue saves T-type root from outside to inside in set
It is connected to chamfering, the blue upper corresponding position of the card is equipped with injecting glue notch, and the hole for injecting glue is connected with rubber injecting valve by internal thread, notes
Glue valve is arranged in injecting glue notch, and the rubber injecting valve is equipped with adjusting nut, and the adjusting nut is perpendicular to rubber injecting valve.
Further, the height of the chamfering is 1-6mm, width 1-4mm.
Further, the internal diameter of the hole for injecting glue is 1-10mm, and the internal diameter at hole for injecting glue internal thread is 4-6mm.
The utility model pipe jointer sealing ring reserves backup seal chamber and injecting glue interface by setting；It is sent out in sealing element
After raw leakage, fluid sealant is injected from injecting glue interface, the backup seal chamber is full of, realizes to the secondary close of pipe jointer
Envelope.By secondary seal, system shutdown caused by avoiding individual seal leakages overhauls, and not only reduces replacement system sealing
The cost of part, moreover, saving the high cost that additional system shutdown maintenance generates；With very high economic benefit.
Description of the drawings
Fig. 1 is the blue mode pipe jointer structural schematic diagram of card；
Fig. 2 is seal ring structure schematic diagram；
Fig. 3 is the side view of Fig. 2；
Fig. 4 is flange method pipe jointer structural schematic diagram；
Fig. 5 is the structural schematic diagram for the sealing ring for installing sealing inner loop additional；
Fig. 6 is single-side sealing inner loop structural schematic diagram；
Fig. 7 is the partial enlarged view of Fig. 6；
Fig. 8 is the another form of partial enlarged views of Fig. 6；
Fig. 9 is the structural schematic diagram for the sealing ring for only carrying external seal inner loop；
Figure 10 is the structural schematic diagram of external seal inner loop；
Figure 11 is the partial enlarged view of Figure 10；
Figure 12 is the structural schematic diagram of the sealing ring with inside and outside sealing inner loop；
Figure 13 is the structural schematic diagram that the China and foreign countries Figure 12 seal inner loop；
Figure 14 is the structural schematic diagram of interior sealing inner loop in Figure 12；
Figure 15 is the partial enlarged view of Figure 14；
Figure 16 is the structural schematic diagram of the gasket of split settings；
Figure 17 is that the structural schematic diagram being integrated is arranged with lip in interconnecting piece；
Figure 18 is that the structural schematic diagram being integrated is arranged with glue injection part in interconnecting piece；
Figure 19 is that the structural schematic diagram being integrated is arranged with external seal inner loop in interconnecting piece；
Figure 20 is the structural schematic diagram for the gasket that interconnecting piece is integrated with the setting of external seal inner loop；
Figure 21 is the flange arrangement schematic diagram of embodiment 3.
In figure：1, lip；2, interconnecting piece；3, glue injection part；4, connecting hole；5, single-side sealing inner loop；6, single sealing is outer secondary
Ring；7, conduit coupling；7-1, hole for injecting glue；8, cutting ferrule；9, bolt；10, nut；11, the outer inner loop of single-side sealing；12, unilateral close
Inner loop in envelope；13, the outer inner loop of two-side sealing.
Specific implementation mode
The utility model is made a more thorough explanation below with embodiment.The utility model can be presented as it is a variety of not
Same form, should not be construed as limited to the exemplary embodiments described herein.
The spatially relative terms such as "upper", "lower" " left side " " right side " can be used herein for ease of explanation, for saying
Relationship of the elements or features relative to another elements or features shown in bright figure.It should be understood that in addition in figure
Except the orientation shown, spatial terminology is intended to include the different direction of device in use or operation.For example, if in figure
Device is squeezed, and is stated as being located at other elements or the element of feature "lower" will be located into other elements or feature "upper".Cause
This, exemplary term "lower" can include both upper and lower orientation.Device can be positioned in other ways（It is rotated by 90 ° or is located at
Other orientation）, can be interpreted accordingly used herein of the opposite explanation in space.
Embodiment 1
As shown in Figure 1, the blue mode pipe jointer of card is connected to one by symmetrical conduit coupling 7 by cutting ferrule 8
It rises, screwing bolts 9 or nut 10 so that the distance of two cutting ferrules 8 furthers, and two conduit couplings 7 are squeezed and mutual by cutting ferrule 8
It is close, the pipe jointer sealing ring between conduit coupling 7 is clamped；Play the role of sealing.Pipe jointer
Sealing ring can be with as shown in figure 4, in the pipe jointer of flange connection.Conduit coupling 7 carries ring flange, leads to
Cross screwing bolts 9 or nut 10 so that the distance of two conduit couplings 7 furthers, by the pipe between conduit coupling 7
Road connector sealing ring clamps；Play the role of sealing.
As shown in Fig. 2, pipe jointer sealing ring includes lip 1 and muscle portion two-part structure.Muscle portion radially extends
It is cyclic annular；The inner wall of lip 1 forms channel, so that medium is passed through from pipe jointer sealing ring, and medium is prevented to flow out.Muscle
Portion is provided in outside radially, and lip 1 is in inside.Outer end is coniform flange to lip 1 in an axial direction, and the radius of base portion is more than top
The radius in portion is interference fitted with the inner conical surface of conduit coupling 7；As the extruding force suffered by conduit coupling 7 increases, sealing
Performance is improved.After pipe jointer installs, maximum stress, strain are happened in lip 1 and conduit coupling 7
Taper surface is interference fitted at loop wire, and stress, strain are bigger at the bigger interference fit loop wire of manifold pressure, sealing effect
Fruit is better.It is both provided with cricoid sealing leakage glue storage tank in muscle portion both sides, the company of being provided between the sealing leakage glue storage tank of both sides
Hole 4 is connect, is interconnected；Along several hole for injecting glue that are circumferentially provided with of muscle portion, sealing leakage glue storage tank is communicated with hole for injecting glue, hole for injecting glue
Outer end be provided with glue injection machine interface；For installing rubber injecting valve.
Muscle portion is divided into glue injection part 3 and interconnecting piece 2 in Fig. 2；If the lower edge of sealing leakage glue storage tank is opened in muscle portion bottom end
Top, then the lower edge of sealing leakage glue storage tank be can be regarded as to a part for lip 1 with the muscle portion of lower part.Be arranged glue injection machine interface and
The part of hole for injecting glue is known as glue injection part 3；Interconnecting piece 2 refers to the part between the accommodating trench bottom of sealing leakage glue.
As shown in Figures 5 to 7, sealing leakage glue storage tank is square groove, can be arranged in sealing leakage glue storage tank and prevent leak stopping
Sealing inner loop of the glue to outside pipe or to pipe internal leakage.1 single-side sealing inner loop of spiral-lock is distinguished in the sealing leakage glue storage tank on both sides
5.5 section of single-side sealing inner loop is " C " shape, and relatively thin along portion, bottom is thicker.The sealing leakage glue for injecting sealing leakage glue storage tank squeezes unilateral side
Inner loop 5 is sealed, the sealing surface of single-side sealing inner loop 5 end face with the side of sealing leakage glue storage tank and conduit coupling 7 respectively is made
It is in close contact, forms sealing, prevent sealing leakage glue from being leaked out along muscle portion and the gap of the end face of conduit coupling 7；Or along lip
Portion and the gap of the sealing surface of conduit coupling 7 enter inside pipeline.
It can be with as shown in figure 8, opening up several through-holes in the bottom of single-side sealing inner loop 5.If in conduit coupling 7
End face and the bottom of single-side sealing inner loop 5 between have small foreign matter, will be in the end face of conduit coupling 7 and single-side sealing pair
Small gap is generated between the bottom of ring 5, causes to leak.In this case, sealing leakage glue can pass through above-mentioned through-hole when leak stopping
Into small gap, small foreign matter is clung, small foreign matter movement is avoided to destroy the sealing of single-side sealing inner loop 5；Simultaneously
New joint surface is formed in the bottom of single-side sealing inner loop 5, is sealed.Through-hole diameter is less than 2mm, between through-hole away from
From the hole diameter no more than 6 times.
As shown in Figures 9 to 11, since lip 1 and the sealing performance of conduit coupling 7 are preferable, it is not easy to leak；Also may be used
Sealing leakage glue is prevented to seal outer inner loop 6 along the list that the gap of muscle portion Yu the end face of conduit coupling 7 leaks out to be only arranged.Injection
The sealing leakage glue of sealing leakage glue storage tank squeezes single outer inner loop 6 of sealing, keeps single sealing surface for sealing outer inner loop 6 accommodating with sealing leakage glue respectively
The side of slot and the end face of conduit coupling 7 are in close contact, and form sealing, prevent sealing leakage glue along muscle portion and conduit coupling 7
The gap of end face leaks out.At this moment, if had between the end face of conduit coupling 7 and single bottom for sealing outer inner loop 6 micro-
Small foreign matter will generate small gap between the end face of conduit coupling 7 and single bottom for sealing outer inner loop 6, cause to let out
Leakage.In this case, sealing leakage glue can enter small gap by lower edge when leak stopping, and small foreign matter is clung, is avoided small
Foreign matter movement destroys single sealing for sealing outer inner loop 6；New joint surface also is formed in the bottom for singly sealing outer inner loop 6 simultaneously, into
Row sealing.
Angle between single bottom edge and side for sealing outer inner loop 6 should be greater than or be equal to 90 °, and it is preferably provided as 96 ° ± 1 °.
Single outer inner loop 6 of sealing is circular conical surface along the outer end face of central axis direction, and the angular range at the base angle of circular conical surface is 6 ° ± 1 °.
It can also be respectively set in two sealing inner loop single-side sealings outer inner loops 11 and single-side sealing as shown in figs. 12-15
Inner loop 12；The gap in sealing leakage glue storage tank between edge and outer and the end face of conduit coupling 7 is sealed respectively.It is unilateral
The outer diameter of inner loop 12 in single-side sealing should be not less than by sealing the internal diameter of outer inner loop 11.In single-side sealing outer inner loop 11 and single-side sealing
Similar " angle steel " shape in 12 cross section of inner loop, the angle between bottom edge and side should be greater than or are equal to 90 °；It is preferably provided as 104 °
±2°.Inner loop 12 is circular conical surface, circular conical surface along the outer end face of central axis direction in the outer inner loop 11 of single-side sealing and single-side sealing
Base angle angular range be 14 ° ± 2 °.
Embodiment 2
Glue injection part 3, interconnecting piece 2 and lip 1 in embodiment 1 are to be wholely set；It is enumerated in the present embodiment as shown in figure 16
The example that several glue injection parts 3, interconnecting piece 2 and lip 1 are provided separately；Those skilled in the art can also be changed and group
It closes.Pipe jointer sealing ring is divided into 3 three lip 1, interconnecting piece 2 and glue injection part rings in Figure 16, and three rings are socketed in one successively
It rises；Interconnecting piece 2 makes the distance between the glue injection part 3 of outer ring and the lip 1 of inner ring be kept fixed；The thickness of the ring of interconnecting piece 2 is small
In the thickness of lip 1 and the ring of glue injection part 3, cavity is formed in the both sides of interconnecting piece 2, it is accommodating as the sealing leakage glue for accommodating sealing leakage glue
Slot.Can also one be made with lip 1 in interconnecting piece 2 therein as shown in figure 17.
As shown in figure 18, one is made in interconnecting piece 2 and glue injection part 3.Interconnecting piece 2 can also be set as shown in Figure 19,20
It is set to the form with inner loop outside two-side sealing 13, is in other words integrated inner loop outside two-side sealing 13 and the setting of interconnecting piece 2.
Embodiment 3
High pressure self-locking type flange is improved, leak stopping ring is increased, leak stopping ring is T-type ring or I-shaped type ring, side
The set section is equipped with hole for injecting glue.In use, forming certain cavity between leak stopping ring and set section, the position of corresponding cavity is equipped with
Hole for injecting glue directly forms certain cavity between leak stopping ring and set section by hole for injecting glue and carries out at injecting glue when leaking
Reason forms ring packing cushion rubber, plays the role of leak stopping, highly practical, and can solve leakage crisis in time；On leak stopping ring
Equipped with several through-holes, can both sides sealing be achieved the effect that by the hole for injecting glue injecting glue of side.
It is connect with rubber injecting valve by two blue gaps of card at least provided with a hole for injecting glue, hole for injecting glue on leak stopping ring, or
Person is equipped with through-hole on card orchid, is connected to hole for injecting glue, and connect with rubber injecting valve.The leak stopping ring can be I-shaped ring.It is described
Rubber injecting valve is connected through a screw thread with hole for injecting glue, and the blue upper corresponding position of the card is equipped with injecting glue notch, and rubber injecting valve setting is lacked in injecting glue
In mouthful, the rubber injecting valve is equipped with adjusting nut, valve body of the adjusting nut perpendicular to rubber injecting valve.When there is leakage situation
When, glue injection equipment is connect by pipeline with rubber injecting valve, and opens adjusting nut, by the inside injecting glue of hole for injecting glue, directly passes through hole for injecting glue
Certain cavity is formed between leak stopping ring and set section and carries out injecting glue processing, forms ring packing cushion rubber, is filled by injecting glue agent close
Envelope, injecting glue agent is in annular space.
When or as shown in figure 21, using card orchid, conduit coupling 7 is that set saves.Set section inside T-type root corresponds to T
The position in type sealing ring T-type area is equipped with chamfering, and the chamfering corresponds to set section outside T-type root and is equipped with hole for injecting glue 7-1, the injecting glue
Hole is connected to chamfering from outside to inside in set section T-type root, and the blue upper corresponding position of the card is equipped with injecting glue notch, and the hole for injecting glue is logical
It crosses internal thread and is connected with rubber injecting valve, rubber injecting valve is arranged in injecting glue notch, and the rubber injecting valve is equipped with adjusting nut, the adjusting
Nut is perpendicular to rubber injecting valve.When there is leakage situation, glue injection equipment is connect by pipeline with rubber injecting valve, and opens adjusting nut,
By the inside injecting glue of hole for injecting glue, the annular space formed between chamfering and T-type sealing ring is filled by injecting glue agent and is sealed, and injecting glue agent exists
In annular space, the pressure-bearing pressure of flange will not be increased.The height of the chamfering is 1-6mm, width 1-4mm.The injecting glue
The internal diameter in hole is 1-10mm, and the internal diameter at hole for injecting glue internal thread is 4-6mm.
Can shut-off valve be set on glue injection machine interface in above-described embodiment；Improve the speed of leak stopping operation.It needs to stop
When injecting glue, shut-off valve is closed, glue injection machine can disconnect, and the pressure of sealing leakage glue is kept using shut-off valve.
Seal the material of inner loop preferably with sealing leakage glue material identical or close, such as polytetrafluoroethylene (PTFE), rubber, graphite or
Person is other to be used for sealing material.Sealing ring is made of metal material.
What secondary sealing function was realized in：After once sealing failure leaks, sealed medium will pass through pipe
Gap escapes into except pipe jointer between 7 end face of pipe connecting and pipe jointer sealing ring muscle portion side.By glue injection machine
It connect, is formed to pipe jointer sealing ring and 7 end face of conduit coupling closed with the hole for injecting glue on pipe jointer sealing ring
Sealing leakage glue is injected in toroidal cavity, injection sealing leakage glue pressure should be greater than pipeline interior sealing pressure medium, when sealing leakage glue storage tank quilt
After filling sealing leakage glue, glue injection machine valve is closed, keeps pressure, after sealing leakage glue reaches sealing effect, secondary seal behavior terminates,
Reach secondary seal purpose.
Above-mentioned example is only intended to illustrate the utility model, and in addition to this, also there are many different embodiments, and these
Embodiment be all those skilled in the art after comprehension the utility model thought it is also envisioned that therefore, no longer arrange one by one herein
It lifts.
Claims (10)
1. pipe jointer sealing ring, including the cricoid muscle portion radially extended and axially extending cricoid lip, the muscle
The outside in the lip radially is arranged in portion；It is housed it is characterized in that, the muscle portion both sides are both provided with cricoid sealing leakage glue
The sealing leakage glue storage tank of slot, both sides is interconnected；Along several hole for injecting glue that are circumferentially provided with of muscle portion, sealing leakage glue storage tank
It is communicated with the hole for injecting glue, the outer end of hole for injecting glue is provided with glue injection machine interface.
2. pipe jointer sealing ring as described in claim 1, which is characterized in that be provided with resistance in the sealing leakage glue storage tank
Only sealing inner loop of the sealing leakage glue to outside pipe or to pipe internal leakage.
3. pipe jointer sealing ring as described in claim 1, which is characterized in that the muscle portion includes being provided with the injecting glue
The glue injection part in hole and the interconnecting piece for being provided with the sealing leakage glue storage tank；Muscle portion is wholely set or is provided separately with the lip,
It connects together.
4. pipe jointer sealing ring as claimed in claim 3, which is characterized in that the glue injection part and interconnecting piece one
It is arranged or is provided separately, is set-located.
5. pipe jointer sealing ring as claimed in claim 2, which is characterized in that the sealing inner loop is arranged in the leak stopping
The outside and inside of glue storage tank radially；The sealing inner loop in outside is outer conical surface, inside along the outer end face of central axis direction
Sealing inner loop along the outer end face of central axis direction be internal conical surface, the angle at the base angle of the internal conical surface and the outer conical surface
Ranging from 6 ° ± 1 ° of degree.
6. pipe jointer sealing ring as claimed in claim 2, which is characterized in that the sealing inner loop is provided only on described stifled
The outside of leak adhesive storage tank radially, sealing inner loop are outer conical surface along the outer end face of central axis direction, the outer conical surface
The angular range at base angle is 14 ° ± 2 °.
7. pipe jointer sealing ring as described in claim 1, which is characterized in that be provided with cut-off on the glue injection machine interface
Valve.
8. one kind carrying leak stopping ring self sealss flange, including set saves, blocks blue, T-type sealing ring and ball-type nut, bolt composition,
It being characterized in that, further includes a leak stopping ring, the leak stopping ring is T-type ring or I-shaped type ring, and the outer rim in T-type sealing ring is arranged,
The inner edge of the leak stopping ring is contacted with the outer rim of T-type sealing ring, and the most wide size of the leak stopping ring and the minimum of T-type sealing ring are wide
Degree is consistent；At least set section described in side between hole for injecting glue, the position of the hole for injecting glue and leak stopping ring and set section equipped with forming
Cavity corresponds to, and the set section is externally connected with rubber injecting valve, and the rubber injecting valve is connected through a screw thread with hole for injecting glue, corresponding on the card orchid
Position is equipped with injecting glue notch, and rubber injecting valve is arranged in injecting glue notch, and the rubber injecting valve is equipped with adjusting nut, the adjusting nut
Perpendicular to the valve body of rubber injecting valve.
9. a kind of improved self sealss flange with leak stopping function, including set section, card orchid, T-type sealing ring and ball-type nut, bolt
Composition, which is characterized in that the T-type portion at least side of the T-type sealing ring is equipped with groove, and the set section is equipped with hole for injecting glue, institute
It states on the gap that hole for injecting glue is correspondingly arranged between groove and set section, the position of corresponding hole for injecting glue, set section is externally connected with rubber injecting valve,
The rubber injecting valve is connected through a screw thread with hole for injecting glue, and the blue upper corresponding position of the card is equipped with injecting glue notch, and rubber injecting valve setting is being noted
In glue notch, the rubber injecting valve is equipped with adjusting nut, valve body of the adjusting nut perpendicular to rubber injecting valve.
10. it is a kind of can injecting glue leak stopping self sealss flange, including set section, card are blue, T-type sealing ring and ball-type nut, bolt composition,
It is characterized in that, the position that set section inside T-type root corresponds to T-type sealing ring T-type area is equipped with chamfering, the chamfering corresponds to set
Section outside T-type root is equipped with hole for injecting glue, and the hole for injecting glue is connected to chamfering from outside to inside in set section T-type root, on the card orchid
Corresponding position is equipped with injecting glue notch, and the hole for injecting glue has been connected through a screw thread rubber injecting valve, and rubber injecting valve is arranged in injecting glue notch, institute
It states rubber injecting valve and is equipped with adjusting nut, the adjusting nut is perpendicular to rubber injecting valve.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017210750569 | 2017-08-25 | ||
| CN201721075056 | 2017-08-25 | ||
| CN201721074558X | 2017-08-25 | ||
| CN201721074560 | 2017-08-25 | ||
| CN201721074558 | 2017-08-25 | ||
| CN2017210745607 | 2017-08-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207961827U true CN207961827U (en) | 2018-10-12 |
Family
ID=62430645
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810115488.0A Active CN108386629B (en) | 2017-08-25 | 2018-02-06 | Method for secondary sealing of pipeline connector |
| CN201810115497.XA Withdrawn CN108150746A (en) | 2017-08-25 | 2018-02-06 | Pipe jointer sealing ring |
| CN201820201422.9U Active CN207961827U (en) | 2017-08-25 | 2018-02-06 | Pipe jointer sealing ring |
| CN201810115489.5A Active CN108131516B (en) | 2017-08-25 | 2018-02-06 | Sealing gasket for pipeline connector |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810115488.0A Active CN108386629B (en) | 2017-08-25 | 2018-02-06 | Method for secondary sealing of pipeline connector |
| CN201810115497.XA Withdrawn CN108150746A (en) | 2017-08-25 | 2018-02-06 | Pipe jointer sealing ring |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810115489.5A Active CN108131516B (en) | 2017-08-25 | 2018-02-06 | Sealing gasket for pipeline connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN108386629B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150746A (en) * | 2017-08-25 | 2018-06-12 | 天津斯林力克密封科技有限公司 | Pipe jointer sealing ring |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114278797B (en) * | 2021-12-31 | 2024-04-05 | 河南黄埔建筑安装有限公司 | BIM technology-based heating and ventilation pipeline docking device and docking method thereof |
Family Cites Families (41)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE6750621U (en) * | 1968-09-07 | 1969-01-09 | Schott & Gen | SELF-CENTERING CHAMBER SEAL FOR GLASS CONNECTIONS |
| GB1345514A (en) * | 1969-12-22 | 1974-01-30 | Warm Air Ventialting Eng Ltd | Pipe couplings |
| GB2027513A (en) * | 1978-08-08 | 1980-02-20 | Team Inc | Method and apparatus for sealing a pipeline leak |
| AU535609B2 (en) * | 1979-11-15 | 1984-03-29 | Sibex (Constructions) Limited | Sealing clamp for flanged pipe joint |
| DE3150716A1 (en) * | 1981-12-22 | 1983-06-30 | Vereinigte Flugtechnische Werke Gmbh, 2800 Bremen | DEVICE FOR INJECTING A PLASTIC SEALANT |
| FR2518701B2 (en) * | 1981-12-23 | 1986-03-14 | Lamotte Jean Noel | STRAPPING DEVICE FOR SEALING LEAKS IN A FLANGE CONNECTION OF A PIPE |
| US4410186A (en) * | 1982-04-12 | 1983-10-18 | Petroleum Designers, Inc. | Sealing system for pressurized flanged joints |
| JPH0914545A (en) * | 1995-04-28 | 1997-01-17 | Fukushin Sangyo:Kk | Pipe joint and packing |
| JP4149036B2 (en) * | 1998-06-04 | 2008-09-10 | 日本ヴィクトリック株式会社 | Pipe flange leakage repair mechanism |
| JP2000310388A (en) * | 1999-04-27 | 2000-11-07 | Tokyo Denki Komusho Co Ltd | Repairing device of pipe leaking part |
| US6244630B1 (en) * | 1999-07-06 | 2001-06-12 | Electric Power Research Institute, Inc. | Method and apparatus for non-intrusive on-line leak sealing of flanged piping connections |
| KR200172536Y1 (en) * | 1999-09-14 | 2000-03-15 | 유형석 | Device for concrete crack repair |
| CN1140714C (en) * | 2000-11-08 | 2004-03-03 | 居焕兴 | Belt type leaking stopper |
| CN2519878Y (en) * | 2001-12-19 | 2002-11-06 | 中国石化集团齐鲁石油化工公司 | Seal clamp for flange connection |
| DE10357222A1 (en) * | 2003-12-08 | 2005-06-30 | Basf Ag | Connecting piece for measuring instruments and measuring probe provided with such a connecting piece |
| NO20072738L (en) * | 2007-05-30 | 2008-12-01 | Mirador As | Coupling and method of joining |
| CN201260998Y (en) * | 2008-07-30 | 2009-06-24 | 刘贞生 | Rapid pushrod injection type glue-dropping valve with built-in heating element |
| RU2390685C1 (en) * | 2008-12-12 | 2010-05-27 | Федеральное государственное унитарное предприятие "Научно-исследовательский институт химии и технологии полимеров имени академика В.А. Каргина с опытным заводом" (ФГУП "НИИ полимеров") | Procedure for repair of flange connection of gas pipeline |
| CN201502836U (en) * | 2009-10-07 | 2010-06-09 | 余鸣雷 | Plugging clamp for flange forming |
| CN201891981U (en) * | 2010-12-20 | 2011-07-06 | 重庆建峰工业集团有限公司 | Pressurized plugging clamp of irregular flange |
| CN102121553B (en) * | 2011-03-18 | 2012-06-27 | 池州恒生科技发展有限公司 | High-pressure-resisting pipeline urgent repairing device |
| CN202580468U (en) * | 2012-03-28 | 2012-12-05 | 天津斯林力克密封科技有限公司 | Pressurized leakage stoppage device for pipeline |
| CN202580469U (en) * | 2012-04-10 | 2012-12-05 | 天津斯林力克密封科技有限公司 | Partial plugging clamp for straight pipe |
| CN202580472U (en) * | 2012-04-17 | 2012-12-05 | 天津天石带压密封有限公司 | Pressure seal fixture with concave-convex groove structure |
| CN203147114U (en) * | 2013-03-20 | 2013-08-21 | 潘健 | Maintainable type flange |
| GB2516452A (en) * | 2013-07-22 | 2015-01-28 | Jcco 331 Ltd | Improvements in and relating to pipe coupling |
| DE102014100155A1 (en) * | 2014-01-08 | 2015-07-09 | Christian Jedrosek | Method for checking and / or repairing flange connections and associated flange connection |
| US10001235B2 (en) * | 2014-01-29 | 2018-06-19 | Garlock Pipeline Technologies, Inc. | Sealing system having interlocking inner diameter seal element to resist pressure changes |
| CN204692897U (en) * | 2015-06-02 | 2015-10-07 | 张庆国 | A kind of two-stage closed conduit covering leaks clamping |
| CN204922379U (en) * | 2015-08-17 | 2015-12-30 | 天津天石带压密封有限公司 | A take a densification anchor clamps for pipeline leakage operating mode |
| CN106895187A (en) * | 2015-12-18 | 2017-06-27 | 中国石油天然气股份有限公司 | Valve door closure pressing tool for covering leak in pipe |
| CN105889670A (en) * | 2016-05-24 | 2016-08-24 | 无锡市华尔泰机械制造有限公司 | Anti-fatigue alternating high-pressure self-tightening flange and application method thereof |
| CN205781553U (en) * | 2016-05-24 | 2016-12-07 | 无锡市华尔泰机械制造有限公司 | Resisting fatigue alternation high pressure self-tightening flange |
| CN106015784B (en) * | 2016-06-26 | 2018-09-25 | 合肥龙图腾信息技术有限公司 | Unmanned boat contained pipeline connector |
| CN206018083U (en) * | 2016-08-13 | 2017-03-15 | 宁波学大机械设备有限公司 | Dual-seal bump joint component |
| CN206093350U (en) * | 2016-08-30 | 2017-04-12 | 陕西煤化能源有限公司 | Annotate agent formula area and press plugging device |
| CN106352181B (en) * | 2016-10-18 | 2020-12-22 | 杨顺立 | Bow-shaped ring sealing washer and bow-shaped ring sealing pipe connecting piece |
| CN206310153U (en) * | 2016-11-22 | 2017-07-07 | 中国石油天然气股份有限公司 | Flange leak-stopping clamp and refining and petrochemical processing units |
| CN206309996U (en) * | 2016-11-28 | 2017-07-07 | 中国石油天然气股份有限公司 | Rubber injecting valve and leak stopping component |
| CN108386629B (en) * | 2017-08-25 | 2020-03-24 | 天津斯林力克密封科技有限公司 | Method for secondary sealing of pipeline connector |
| CN208311721U (en) * | 2018-02-06 | 2019-01-01 | 天津斯林力克密封科技有限公司 | Pipe jointer gasket |
-
2018
- 2018-02-06 CN CN201810115488.0A patent/CN108386629B/en active Active
- 2018-02-06 CN CN201810115497.XA patent/CN108150746A/en not_active Withdrawn
- 2018-02-06 CN CN201820201422.9U patent/CN207961827U/en active Active
- 2018-02-06 CN CN201810115489.5A patent/CN108131516B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150746A (en) * | 2017-08-25 | 2018-06-12 | 天津斯林力克密封科技有限公司 | Pipe jointer sealing ring |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108131516B (en) | 2024-05-17 |
| CN108386629B (en) | 2020-03-24 |
| CN108131516A (en) | 2018-06-08 |
| CN108386629A (en) | 2018-08-10 |
| CN108150746A (en) | 2018-06-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201779401U (en) | Fully wrapping type flange leak-stopping clamp | |
| CN206369047U (en) | A kind of material filling type Pipe leakage stopper | |
| CN207961827U (en) | Pipe jointer sealing ring | |
| CN107701834B (en) | A kind of sealing force adjustable water lower flange | |
| CN208311721U (en) | Pipe jointer gasket | |
| CN202349428U (en) | Pipeline connector | |
| CN204141117U (en) | Fuel gas transmission stainless steel corrugated flexible hose leads directly to pipe fitting | |
| CN217030030U (en) | Slag conveying pipeline valve capable of preventing inner leakage and outer leakage | |
| CN201748105U (en) | Novel online keeping-gas pressed plugging sealing clamp | |
| CN216112294U (en) | Vacuum ball valve | |
| CN106594452B (en) | A kind of clamp with press leaking stoppage | |
| CN101586730B (en) | Quick high-pressure no transmission stoppage urgent repair method and jig | |
| CN202371180U (en) | Ultrahigh pressure detecting stop valve | |
| CN211260014U (en) | Pipeline leakage point plugging device | |
| CN210398022U (en) | Novel flange plate | |
| CN207687566U (en) | Pipe pressurized blocking clamper | |
| CN102155580B (en) | Valve with bellows seal | |
| CN202118293U (en) | Integral high-pressure ball valve | |
| CN201739704U (en) | Plugging fixture for pipeline weld seam defect leakage | |
| CN206861100U (en) | A kind of pipeline connecting flange | |
| CN205896487U (en) | Flange suitable for multitube footpath | |
| CN204493945U (en) | A kind of novel combination type outlet(discharge) flange | |
| CN204879171U (en) | A flange structure for on car | |
| CN209856569U (en) | Novel oil field valve is connected device | |
| CN204512717U (en) | A kind of wide scope flexible pipe connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |