CN209458529U - Flange connection - Google Patents
Flange connection Download PDFInfo
- Publication number
- CN209458529U CN209458529U CN201920037421.XU CN201920037421U CN209458529U CN 209458529 U CN209458529 U CN 209458529U CN 201920037421 U CN201920037421 U CN 201920037421U CN 209458529 U CN209458529 U CN 209458529U
- Authority
- CN
- China
- Prior art keywords
- metal flange
- flange ring
- plastic tube
- connection
- ring
- 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.)
- Expired - Fee Related
Links
- 239000002184 metal Substances 0.000 claims abstract description 113
- 229910052751 metal Inorganic materials 0.000 claims abstract description 113
- 239000004033 plastic Substances 0.000 claims abstract description 87
- 229920003023 plastic Polymers 0.000 claims abstract description 87
- 239000003822 epoxy resin Substances 0.000 claims abstract description 36
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 36
- 239000000853 adhesive Substances 0.000 claims abstract description 27
- 230000001070 adhesive effect Effects 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 10
- 230000013011 mating Effects 0.000 claims description 8
- 239000004411 aluminium Substances 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 239000010426 asphalt Substances 0.000 claims 1
- 238000005266 casting Methods 0.000 claims 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 16
- 238000009434 installation Methods 0.000 abstract description 8
- 210000000664 rectum Anatomy 0.000 abstract description 4
- 239000004831 Hot glue Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- -1 e.g. Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
The utility model discloses a kind of flange connection, including the first plastic tube, first metal flange ring, second plastic tube, second metal flange ring and epoxy resin embedding adhesive, first plastic tube has the first connecting pin, first metal flange ring set is set to the first connecting pin, the first filling gap is formed between first metal flange ring and the first plastic tube, it is in the second connection end being oppositely arranged that second plastic tube, which has with the first plastic tube, second metal flange ring set is set to second connection end, the second filling gap is formed between second metal flange ring and the second plastic tube, epoxy resin embedding adhesive encapsulating is in the first filling gap and the second filling gap, it only needs to be fixedly connected between the first metal flange ring and the second metal flange ring, it can fix and be connected between first plastic tube and the second plastic tube, installation is simple, it is convenient, so Mounting means reduces the risk that latus rectum reduces after the first plastic tube is connect with the second plastic tube, has preferable effect.
Description
Technical field
The utility model relates to plastic piping interconnection technique field, in particular to a kind of flange connection.
Background technique
Plastic tube is a kind of common production, life products, be mainly used as building construction tap water supply system piping,
Draining, exhaust and blowdown sanitary pipe, subsoil drain system, rain pipe and electric wire install matched penetration pipe etc..
In the prior art, the more typical connection type of plastic conduit is hot-melt adhesive paste, and hot-melt adhesive paste is needed in piping connection
Hot-melting tool is wanted, installation is inconvenient, in addition, hot-melt adhesive paste mode may change the latus rectum of pipeline, it is unfavorable for the circulation of liquid,
When hot melt molding is undesirable, part pipeline can be directly scrapped, wastes material.
Utility model content
The main purpose of the utility model is to propose a kind of flange connection, it is intended to optimize the connection between plastic piping
Mode, convenient for the connection between plastic piping.
To achieve the above object, the utility model proposes flange connection, comprising:
First plastic tube has the first connecting pin；
First metal flange ring is sheathed on first connecting pin, the first metal flange ring and first plastics
The first filling gap is formed between pipe；
Second plastic tube, having with first plastic tube is in the second connection end being oppositely arranged；
Second metal flange ring is sheathed on the second connection end, the second metal flange ring and second plastics
The second filling gap is formed between pipe；And
Epoxy resin embedding adhesive, encapsulating is in the first filling gap and second filling gap；
Wherein, the first metal flange ring is fixedly connected with the second metal flange ring, so that first modeling
Fixation is connected between expects pipe and second plastic tube.
Preferably, the material of the first metal flange ring is aluminium；And/or
The material of the second metal flange ring is aluminium.
Preferably, the inner wall of the first metal flange ring is equipped with first annular groove, in the first annular groove
Filled with the epoxy resin embedding adhesive；And/or
The inner wall of the second metal flange ring is equipped with second annular groove, fills in the second annular groove
State epoxy resin embedding adhesive.
Preferably, the first annular groove setting is multiple, and multiple first annular grooves are along first plastics
It lays at the length direction interval of pipe；And/or
The second annular groove setting is multiple, and multiple second annular grooves are along the length of second plastic tube
It lays at direction interval.
Preferably, the lateral surface of first connecting pin is equipped with third annular groove, filling in the third annular groove
There is the epoxy resin embedding adhesive；And/or
The lateral surface of the second connection end is equipped with fourth annular groove, is filled with the ring in the fourth annular groove
Epoxy resin embedding glue.
Preferably, the third annular groove setting is multiple, and multiple third annular grooves are along first plastics
It lays at the length direction interval of pipe；And/or
The fourth annular groove setting is multiple, and multiple fourth annular grooves are along the length of second plastic tube
It lays at direction interval.
Preferably, it is in that first be oppositely arranged connect that the first metal flange ring, which has with the second metal flange ring,
End face is convexly equipped with connection bump on first connecting end surface；
It is in the second connection end face being oppositely arranged, institute that the second metal flange ring, which has with the first metal flange ring,
It states and corresponds to the connection bump on second connection end face and offer connecting groove, the connecting groove is matched with the connection bump
It closes.
Preferably, error-proof structure is equipped between first connecting end surface and the second connection end face；And/or
Jacking structure is equipped between the first metal flange ring and the second metal flange ring, to separate described the
One metal flange ring and the second metal flange ring.
Preferably, first connecting end surface is equipped with first annular mounting groove, is equipped in the first annular mounting groove
First sealing ring, to seal the mating surface between the first metal flange ring and the second metal flange ring.
Preferably, the second connection end face is equipped with the second annular mounting groove, and second annular mounting groove is located at institute
The outside of first annular mounting groove is stated, the second sealing ring is equipped in second annular mounting groove, to seal second gold medal
Belong to the mating surface between flange ring and the first metal flange ring.
In technical solution provided by the utility model, by the epoxy resin embedding adhesive by the first metal flange ring
It is fixedly installed on first plastic tube, and the second metal flange ring is fixed by the epoxy resin embedding adhesive and is pacified
Loaded on second plastic tube, it is only necessary to connect fixed between the first metal flange ring and the second metal flange ring
It connects, can fix and be connected between first plastic tube and second plastic tube, it is simple, convenient to install, such installation side
Formula reduces the risk that latus rectum reduces after first plastic tube is connect with second plastic tube, has preferable effect.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the schematic cross-sectional view of an embodiment of flange connection provided by the utility model；
Fig. 2 is the enlarged diagram of part A in Fig. 1；
Fig. 3 is the elevational schematic view of the first metal flange ring in Fig. 1.
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 100 | Flange connection | 31 | Fourth annular groove |
| 1 | First plastic tube | 4 | Second metal flange ring |
| 11 | Third annular groove | 41 | Second annular groove |
| 2 | First metal flange ring | 42 | Connecting groove |
| 21 | First annular groove | 43 | Second annular mounting groove |
| 22 | Connection bump | 5 | Epoxy resin embedding adhesive |
| 23 | First annular mounting groove | 6 | Error-proof structure |
| 3 | Second plastic tube |
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that directionality instruction is only used for solving if relating to directionality instruction in the utility model embodiment
Relative positional relationship, the motion conditions etc. between component each under a certain particular pose are released, if the particular pose changes
When, then directionality instruction also correspondingly changes correspondingly.
In addition, if relating to the description of " first ", " second " etc. in the utility model embodiment, " first ", " the
Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning
The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one
A this feature.It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of case is not present, also not within the protection scope of the requires of the utility model.
The utility model proposes a kind of flange connection, Fig. 1 to Fig. 3 is flange connection provided by the utility model
Embodiment schematic diagram.
It please refers to Fig.1 to Fig.3, the flange connection 100 includes the first plastic tube 1, the first metal flange ring 2, the
Two plastic tubes 3, the second metal flange ring 4 and epoxy resin embedding adhesive 5, first plastic tube 1 has the first connecting pin, described
First metal flange ring 2 is sheathed on first connecting pin, between the first metal flange ring 2 and first plastic tube 1
It is formed with the first filling gap, it is in that second be oppositely arranged connect that second plastic tube 3, which has with first plastic tube 1,
End, the second metal flange ring 4 are sheathed on the second connection end, the second metal flange ring 4 and second plastics
The second filling gap is formed between pipe 3,5 encapsulating of epoxy resin embedding adhesive is in first filling gap and described second
It fills in gap, wherein the first metal flange ring 2 is fixedly connected with the second metal flange ring 4, so that described the
Fixation is connected between one plastic tube 1 and second plastic tube 3.
In technical solution provided by the utility model, by the epoxy resin embedding adhesive 5 by first metal flange
Ring 2 is fixedly installed on first plastic tube 1, and passes through the epoxy resin embedding adhesive 5 for the second metal flange ring 4
It is fixedly installed on second plastic tube 3, it is only necessary to by the first metal flange ring 2 and the second metal flange ring 4
Between be fixedly connected, can fix and be connected between first plastic tube 1 and second plastic tube 3, installation is simple, just
Victory, such mounting means reduce the risk that latus rectum reduces after first plastic tube 1 is connect with second plastic tube 3, tool
There is preferable effect.
It should be noted that the epoxy resin embedding adhesive 5 is colloid, for being convenient for two between metalwork and plastic part
The combination of person, meanwhile, the epoxy resin encapsulated has certain flexibility, in the first metal flange ring 2 and described second
When connecting between metal flange ring 4, rigid connection bring sealing problem is reduced, there is preferable effect.
In addition, in the embodiment of the utility model, the specific of first plastic tube 1 and second plastic tube 3 is not limited
Material, e.g., polyvinyl chloride pipe, polyethylene pipe, the thermoplastic pipes such as PA tube, polyformaldehyde pipe, and, the heat such as phenola plastics pipe
Solidity plastic tube in the present embodiment, uses the material of the first metal flange ring 2 and the second metal flange ring 4
The aluminium material of lighter weight, it is by simply machining, i.e., plastic, in addition, aluminium material is common in daily industrial production
Metal material, material are easy to get, low processing cost.
It is filled with epoxy resin embedding adhesive 5 in the first filling gap and second filling gap, in order to reinforce
First plastic tube 1 and the first metal flange ring 2 and second plastic tube 3 and the second metal flange ring 4
Between bonding strength, in the embodiments of the present invention, the inner wall of the first metal flange ring 2 is equipped with first annular recessed
Slot 21, the first annular groove 21 is interior to be filled with the epoxy resin embedding adhesive 5, on the one hand the first annular groove 21 increases
The big contact area of the epoxy resin embedding adhesive 5 and the first metal flange ring 2, is on the other hand located at first gold medal
The epoxy resin embedding adhesive 5 belonged in flange ring 2 plays the role of connecting key, along the length side of first plastic tube 1
Upwards, the first metal flange ring 2 is not readily disengaged from first plastic tube 1, has preferable structural strength.
Further, in embodiment provided by the utility model, multiple, and multiple institutes are arranged in the first annular groove 21
It states first annular groove 21 to lay along the length direction interval of first plastic tube 1, multiple first annular grooves 21,
The contact area of the epoxy resin embedding adhesive 5 and the first metal flange ring 2 is further increased, is also acted multiple
The effect of connecting key, so that having better structural strength between the first metal flange ring 2 and first plastic tube 1.
Further, the lateral surface of first connecting pin is equipped with third annular groove 11, the third annular groove
The epoxy resin embedding adhesive 5 is filled in 11,11 one side of third annular groove increases the epoxy resin encapsulated
The contact area of glue 5 and first plastic tube 1, the epoxy resin being on the other hand located in first plastic tube 1 fill
Sealing 5 plays the role of connecting key, along the length direction of first plastic tube 1, the first metal flange ring 2 and institute
It states the first plastic tube 1 to not readily disengage from, there is preferable structural strength, the first annular groove 21 and the third annular are recessed
The collective effect of slot 11 has so that the bonding strength between the first metal flange ring 2 and first plastic part is more preferable
Preferable effect.
Similarly, in the connection between the second metal flange ring 4 and second plastic part, the utility model
In embodiment, the inner wall of the second metal flange ring 4 is equipped with second annular groove 41, fills out in the second annular groove 41
Filled with the epoxy resin embedding adhesive 5,41 one side of second annular groove increases the epoxy resin embedding adhesive 5 and institute
The contact area of the second metal flange ring 4 is stated, the epoxy resin being on the other hand located in the second metal flange ring 4 fills
Sealing 5 plays the role of connecting key, along the length direction of second plastic tube 3, the second metal flange ring 4 and institute
It states the second plastic tube 3 to not readily disengage from, there is preferable structural strength.
Further, in embodiment provided by the utility model, multiple, and multiple institutes are arranged in the second annular groove 41
It states second annular groove 41 to lay along the length direction interval of second plastic tube 3, multiple second annular grooves 41,
The contact area of the epoxy resin embedding adhesive 5 and the second metal flange ring 4 is further increased, is also acted multiple
The effect of connecting key, so that having better structural strength between the second metal flange ring 4 and second plastic tube 3.
Further, the lateral surface of the second connection end is equipped with fourth annular groove 31, the fourth annular groove
The epoxy resin embedding adhesive 5 is filled in 31,31 one side of fourth annular groove increases the epoxy resin encapsulated
The contact area of glue 5 and second plastic tube 3, the epoxy resin being on the other hand located in second plastic tube 3 fill
Sealing 5 plays the role of connecting key, along the length direction of second plastic tube 3, the second metal flange ring 4 and institute
It states the second plastic tube 3 to not readily disengage from, there is preferable structural strength, the second annular groove 41 and the fourth annular are recessed
The collective effect of slot 31 has so that the bonding strength between the second metal flange ring 4 and second plastic part is more preferable
Preferable effect.
For the ease of the connection between the first metal flange ring 2 and the second metal flange ring 4, the utility model
Embodiment in, it is in the first connecting pin for being oppositely arranged that the first metal flange ring 2, which has with the second metal flange ring 4,
Face is convexly equipped with connection bump 22 on first connecting end surface, and the second metal flange ring 4 has and the first metal method
Blue ring 2 is in the second connection end face being oppositely arranged, and corresponds to the connection bump 22 on the second connection end face and offers connection
Groove 42, the connecting groove 42 cooperate with the connection bump 22, and the cooperation of the connection bump 22 and connecting groove 42 rises
Arrived the effect of guiding, convenient for the connection between the first metal flange ring 2 and the second metal flange ring 4, have compared with
Good effect.
In addition, being equipped with fool proof between first connecting end surface and the second connection end face in order to which installation is rapidly completed
Structure 6, in the embodiments of the present invention, the error-proof structure 6 is the fool proof face in the connection bump 22, for example,
It is faced directly for one, the corresponding inner wall in the connecting groove 42 corresponds to the fool proof face equipped with a mating surface, so that operation people
Member during installation, can quickly complete installation, have preferable effect.
After long-time service, the first metal flange ring 2 is tight compared with it can combine between the second metal flange ring 4
It is close, be difficult to remove, in the embodiments of the present invention, the first metal flange ring 2 and the second metal flange ring 4 it
Between be equipped with jacking structure, to separate the first metal flange ring 2 and the second metal flange ring 4, the jacking structure
Screw can be played for the mounting hole on the first metal flange ring 2 and in the mounting hole, needed
When top lifting, rotation is described to play screw, so that the end face of described screw pushes the second metal flange ring 4, to play
Isolated effect.
The leakproofness of the entire flange connection 100 is also the content of the utility model, and specifically, described first connects
Contact surface is equipped with first annular mounting groove 23, the first sealing ring is equipped in the first annular mounting groove 23, to seal
The mating surface between the first metal flange ring 2 and the second metal flange ring 4 is stated, first sealing ring is end face seal,
Preferably play the mating surface sealed between the first metal flange ring 2 and the second metal flange ring 4.
Further, the second connection end face is equipped with the second annular mounting groove 43, second annular mounting groove 43
Positioned at the outside of the first annular mounting groove 23, it is equipped with the second sealing ring in second annular mounting groove 43, to seal
Mating surface between the second metal flange ring 4 and the first metal flange ring 2, passes through the sealing function of two sealing rings
So that sealing effect is more preferable, in addition, two sealing rings are set on different installation parts, and it is distributed in the two of connection bolt
Side, so that sealing effect is more preferable.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
It is all under the design of the utility model, equivalent structure transformation made based on the specification and figures of the utility model, or
Directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of flange connection characterized by comprising
First plastic tube has the first connecting pin；
First metal flange ring, is sheathed on first connecting pin, the first metal flange ring and first plastic tube it
Between be formed with the first filling gap；
Second plastic tube, having with first plastic tube is in the second connection end being oppositely arranged；
Second metal flange ring, is sheathed on the second connection end, the second metal flange ring and second plastic tube it
Between be formed with the second filling gap；And
Epoxy resin embedding adhesive, encapsulating is in the first filling gap and second filling gap；
Wherein, the first metal flange ring is fixedly connected with the second metal flange ring, so that first plastic tube
Fixation is connected between second plastic tube.
2. flange connection as described in claim 1, which is characterized in that the material of the first metal flange ring is aluminium；
And/or
The material of the second metal flange ring is aluminium.
3. flange connection as described in claim 1, which is characterized in that the inner wall of the first metal flange ring is equipped with
First annular groove, the first annular groove is interior to be filled with the epoxy resin embedding adhesive；And/or
The inner wall of the second metal flange ring is equipped with second annular groove, is filled with the ring in the second annular groove
Epoxy resin embedding glue.
4. flange connection as claimed in claim 3, which is characterized in that the first annular groove setting is multiple and more
A first annular groove is laid along the length direction interval of first plastic tube；And/or
The second annular groove setting is multiple, and multiple second annular grooves are along the length direction of second plastic tube
It lays at interval.
5. flange connection as described in claim 1, which is characterized in that the lateral surface of first connecting pin is equipped with third
Annular groove, the third annular groove is interior to be filled with the epoxy resin embedding adhesive；And/or
The lateral surface of the second connection end is equipped with fourth annular groove, is filled with the asphalt mixtures modified by epoxy resin in the fourth annular groove
Rouge casting glue.
6. flange connection as claimed in claim 5, which is characterized in that the third annular groove setting is multiple and more
A third annular groove is laid along the length direction interval of first plastic tube；And/or
The fourth annular groove setting is multiple, and multiple fourth annular grooves are along the length direction of second plastic tube
It lays at interval.
7. flange connection as described in claim 1, which is characterized in that the first metal flange ring has and described the
Two metal flange rings are in the first connecting end surface being oppositely arranged, and are convexly equipped with connection bump on first connecting end surface；
It is in the second connection end face that is oppositely arranged that the second metal flange ring, which has with the first metal flange ring, and described the
The connection bump is corresponded on two connecting end surfaces and offers connecting groove, and the connecting groove and the connection bump cooperate.
8. flange connection as claimed in claim 7, which is characterized in that first connecting end surface is connect with described second
Error-proof structure is equipped between end face；And/or
Jacking structure is equipped between the first metal flange ring and the second metal flange ring, to separate first gold medal
Belong to flange ring and the second metal flange ring.
9. flange connection as claimed in claim 7, which is characterized in that first connecting end surface is equipped with first annular
Mounting groove is equipped with the first sealing ring in the first annular mounting groove, to seal the first metal flange ring and described the
Mating surface between two metal flange rings.
10. flange connection as claimed in claim 9, which is characterized in that the second connection end face is equipped with the second ring
Shape mounting groove, second annular mounting groove are located at the outside of the first annular mounting groove, in second annular mounting groove
Equipped with the second sealing ring, to seal the mating surface between the second metal flange ring and the first metal flange ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920037421.XU CN209458529U (en) | 2019-01-09 | 2019-01-09 | Flange connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920037421.XU CN209458529U (en) | 2019-01-09 | 2019-01-09 | Flange connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209458529U true CN209458529U (en) | 2019-10-01 |
Family
ID=68044156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920037421.XU Expired - Fee Related CN209458529U (en) | 2019-01-09 | 2019-01-09 | Flange connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209458529U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113090676A (en) * | 2020-01-09 | 2021-07-09 | 北京玻钢院复合材料有限公司 | Nondestructive connection method and connection structure for sleeving composite material pipe body and flange |
-
2019
- 2019-01-09 CN CN201920037421.XU patent/CN209458529U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113090676A (en) * | 2020-01-09 | 2021-07-09 | 北京玻钢院复合材料有限公司 | Nondestructive connection method and connection structure for sleeving composite material pipe body and flange |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191001 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |