CN109914569A - A kind of cement water-supply-pipe - Google Patents
A kind of cement water-supply-pipe Download PDFInfo
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- CN109914569A CN109914569A CN201910238793.3A CN201910238793A CN109914569A CN 109914569 A CN109914569 A CN 109914569A CN 201910238793 A CN201910238793 A CN 201910238793A CN 109914569 A CN109914569 A CN 109914569A
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- fitting groove
- rubber seal
- plane
- pipe
- tube body
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- 239000004568 cement Substances 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 61
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 239000000945 filler Substances 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 14
- 239000006185 dispersion Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 230000004888 barrier function Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000004570 mortar (masonry) Substances 0.000 description 16
- 239000000243 solution Substances 0.000 description 11
- 230000006872 improvement Effects 0.000 description 10
- 239000004567 concrete Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 239000011083 cement mortar Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 241000826860 Trapezium Species 0.000 description 1
- -1 after assembly Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 238000006798 ring closing metathesis reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The present invention relates to a kind of cement water-supply-pipes, including assembly pipe, tube body and pipe pillow；It further include sealing mechanism, the outer wall of the tube body is embedded with the sealing mechanism, connection gap of the sealing mechanism to block the assembly pipe, the tube body；The outer wall of the assembly pipe is provided with multiple pouring holes, and filler material to be circulated at the connection gap of the assembly pipe, the tube body, the filler material is closely connect the pouring hole with the sealing mechanism.The cement water-supply-pipe can reduce the weight of assembly pipe by multiple pouring holes, so that assembly pipe is more convenient when moving, laborsaving；Pouring hole may make filler material to be accurately expelled to assembly pipe at the connection gap of tube body, can be deep into the inner layer of junction, form multi layer waterproof barrier, improve connection sealing effect；Filler material can be used as the attachment base of rubber seal, guarantees the stability maintenance of rubber seal, rubber seal is avoided to misplace.
Description
Technical field
The present invention relates to a kind of cement water-supply-pipes, belong to cement prefab production technical field.
Background technique
During urban construction, need for multiple pre-cast concrete water-supply-pipes to be assembled together, to form the ground of completion
Lower pipeline system.
Current delivery pipe is made of assembly pipe and delivery pipe two parts mostly, and delivery pipe can be tucked into dress in assembly
In piping, upper cement mortar is then filled up again with rubber ring closure junction and is sealed；But such sealing structure is set to and connects
The outside at place is connect, the deep layer of junction can not be sealed, sealing effect is not good enough, and sealing structure is directly leaked outside cruelly
Portion is easy to appear crack, restricted lifetime.
Summary of the invention
For the present invention in view of the deficienciess of the prior art, providing a kind of cement water-supply-pipe, specific technical solution is as follows:
A kind of cement water-supply-pipe, including assembly pipe, tube body and pipe pillow；It further include sealing mechanism, the outer wall of the tube body
It is embedded with the sealing mechanism, connection gap of the sealing mechanism to block the assembly pipe, the tube body；The assembly
The outer wall of pipe is provided with multiple pouring holes, connection of the pouring hole filler material to be circulated into the assembly pipe, the tube body
At gap, the filler material is closely connect with the sealing mechanism.
As an improvement of the above technical solution, the pouring hole circular array distribution constitutes a circle and pours ring, described to pour
It builds ring and is equidistantly equipped with three.
As an improvement of the above technical solution, the inner wall of the assembly pipe is equipped with fitting surface, and the fitting surface includes first
Cooperate inclined-plane, cooperation plane and the second cooperation inclined-plane, second cooperation inclined-plane, the cooperation plane and described first are matched
The seamless connection of inclined-plane ecto-entad is closed, first cooperation inclined-plane, the chamfered portion on second cooperation inclined-plane are equal described in
The outside of pipe is assembled, second cooperation inclined-plane is located at the top of the cooperation plane, and first cooperation inclined-plane is located at described
Cooperate the bottom of plane, is set at the cooperation plane at the bottom end outlet of the pouring hole.
As an improvement of the above technical solution, the end outer wall interval of the tube body is provided with cricoid first fitting groove and
Two fitting grooves, first fitting groove are located at the outside of second fitting groove, and the sealing mechanism includes the first rubber seal
Circle and the second rubber seal, the bottom surface of first rubber seal are embedded in the inside of first fitting groove, and described the
The top surface of one rubber seal is bonded with first cooperation inclined-plane, and second rubber seal is socketed on second assembly
The inside of slot, the top surface of second rubber seal are bonded with second cooperation inclined-plane.
As an improvement of the above technical solution, region is poured between first fitting groove, second fitting groove for first
Sealing section is built, described first pours the bottom that sealing section is located relatively at the cooperation plane, and described first pours seal area
Between be connected to the pouring hole.
As an improvement of the above technical solution, the section of first rubber seal and second rubber seal is
The top of ladder structure of right angle, first rubber seal and second rubber seal is inclined plane shape.
As an improvement of the above technical solution, the inner wall of the assembly pipe is planar structure.
As an improvement of the above technical solution, the end outer wall of the tube body is provided with third fitting groove, the third assembly
The cross-sectional width of slot is greater than the outlet dispersion of distribution of the pouring hole, and the sealing mechanism includes third rubber seal, described
The bottom of third rubber seal is embedded in the third fitting groove, and the outer wall of the third rubber seal offers a plurality of
It is cricoid to pour slot, poured described in every the outside of slot it is opposite be equipped with one described in pour ring.
As an improvement of the above technical solution, the end outer wall of the tube body is provided with cricoid 4th fitting groove and the 5th dress
Slot allocation, the 5th fitting groove are located at the inside of the 4th fitting groove, and the 4th fitting groove, the 5th fitting groove are opposite
Positioned at it is adjacent it is described pour between ring, the sealing mechanism includes the 4th rubber seal and the 5th rubber seal, described the
The bottom of four rubber seal is embedded in the inside of the 4th fitting groove, and the bottom of the 5th rubber seal is embedded in institute
State the inside of the 5th fitting groove.
As an improvement of the above technical solution, it is poured between the 4th fitting groove, the 5th fitting groove for third close
Section is sealed, the 4th fitting groove pours sealing section, the 5th dress away from the other side of the 5th fitting groove for second
Slot allocation pours sealing section away from the other side of the 4th fitting groove for the 4th, and described second pours sealing section, third is poured
Build sealing section and the 4th pour sealing section be connected to the pouring hole.
Beneficial effects of the present invention:
(1) it can reduce the weight of assembly pipe by multiple pouring holes, so that assembly pipe is more convenient when moving, saves
Power；
(2) pouring hole may make filler material to be accurately expelled to assembly pipe at the connection gap of tube body, can be deep into
The inner layer of junction cooperatively forms multi layer waterproof barrier with rubber seal, improves connection sealing effect；
(3) filler material can be used as the attachment base of rubber seal, guarantees the stability maintenance of rubber seal, avoids rubber
Sealing ring dislocation.
Detailed description of the invention
Fig. 1 is the Integral connection structure schematic diagram of cement water-supply-pipe shown in the present invention；
Fig. 2 is that assembly pipe shown in the present invention connect the first embodiment cross section structure schematic diagram with tube body；
Fig. 3 is assembly tube section structural schematic diagram shown in Fig. 2；
Fig. 4 is that assembly pipe shown in the present invention connect second of embodiment cross section structure schematic diagram with tube body；
Fig. 5 is that assembly pipe shown in the present invention connect the third embodiment cross section structure schematic diagram with tube body.
Appended drawing reference: 1, assembly pipe, 11, pouring hole, 12, fitting surface, the 121, first cooperation inclined-plane, 122, cooperation plane,
123, the second cooperation inclined-plane, 2, tube body, the 21, first fitting groove, the 22, second fitting groove, 23, third fitting groove, the 24, the 4th assembly
Slot, the 25, the 5th fitting groove, 3, pipe pillow, 4, sealing mechanism, the 411, first rubber seal, the 412, second rubber seal, 421,
Third rubber seal, 4211, pour slot, the 431, the 4th rubber seal, the 432, the 5th rubber seal, 5, first pour it is close
Seal section, 6, second pour sealing section, 7, third pour sealing section, the 8, the 4th pour sealing section.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in FIG. 1, FIG. 1 is the Integral connection structure schematic diagrames of cement water-supply-pipe shown in the present invention；
Two cement water-supply-pipes need for the former assembly pipe 1 to connect with the tube body 2 of the latter in connection, realize different
The assembly of water-supply-pipe, the bottom of each water-supply-pipe is equipped with pipe pillow 3, to support tube body 2；
It is provided with pouring hole 11,11 circular array of pouring hole distribution, one circle in the outer wall of assembly pipe 1, a circle pouring hole 11 is
To pour ring, pours ring and laterally equidistantly offer three；It can reduce the weight at assembly pipe 1 by multiple pouring holes 11, make
It must assemble that pipe 1 is more convenient when moving, laborsaving, each pouring hole 11 is also the injection gallery of filler material, after assembly,
Filler material can be circulated into pouring hole 11, be then dispersed at the connection gap of assembly pipe 1 and tube body 2, while filler material
Full pouring hole 11 can be filled, to eliminate joint gap, also enhances the intensity of assembly pipe 1；Filler material is illustratively water
Cement mortar；
As shown in Figures 2 and 3, Fig. 2 is that assembly pipe shown in the present invention connect the first embodiment cross section structure with tube body
Schematic diagram；Fig. 3 is assembly tube section structural schematic diagram shown in Fig. 2；
The section of assembly pipe 1 is set there are three the pouring hole 11 of equidistant interval setting, and the inner wall of assembly pipe 1 is fitting surface 12,
Fitting surface 12 includes the first cooperation inclined-plane 121, cooperation plane 122 and the second cooperation inclined-plane 123, and the first cooperation inclined-plane 121 is matched
Close plane 122 and the second cooperation stepped distribution in inclined-plane 123, the first cooperation inclined-plane 121, cooperation plane 122 and second
Cooperation inclined-plane 123 is sequentially distributed from inside to outside, and the second cooperation inclined-plane 123 is located at 122 top of cooperation plane, the first cooperation inclined-plane
121 are located at cooperation 122 bottom of plane, and the first cooperation inclined-plane 121, second cooperates the chamfered portion on inclined-plane 123 towards outer
End opening, and inclined-plane is in 45 °, the outlet end of pouring hole 11 is respectively positioned in cooperation plane 122；
The outer wall interval of tube body 2 is provided with the first fitting groove 21 and the second fitting groove 22, the first fitting groove 21 and the second assembly
Region between slot 22 pours sealing section 5 for first, and the first fitting groove 21 and the second fitting groove 22 are ring-type, the first assembly
Slot 21 is located at the outer end of the second fitting groove 22, and the first fitting groove 21 is located relatively at the bottom on the first cooperation inclined-plane 121, the second assembly
Slot 22 is located relatively at the bottom on the second cooperation inclined-plane 123；
Sealing mechanism 4 includes the first rubber seal 411 and the second rubber seal 412, the first rubber seal 411
Bottom is embedded in the inside of the first fitting groove 21, and the top of the first rubber seal 411 is bonded with the first cooperation inclined-plane 121, the
The bottom of two rubber seal 412 is embedded in the inside of the second fitting groove 22, and the top of the second rubber seal 412 is matched with second
Close the fitting contact of inclined-plane 123；It is contacted by rubber seal with the fitting on inclined-plane, is capable of forming both ends plugging structure, improved anti-
It is aqueous can, the section of the first rubber seal 411 and the second rubber seal 412 is right-angled trapezium, and trapezoidal inclined plane with
Cooperate inclined-plane fitting, it is more convenient when protruding into that bevel structure may make, after rubber ring is extruded, fitting is more closely；
In assembly, first by 411 sets of the first rubber seal on the first fitting groove 21, the second 412 sets of rubber seal
On the second fitting groove 22；
The end of tube body 2 is inserted into assembly pipe 1, during insertion, the first rubber seal 411 first passes through second
Cooperation inclined-plane 123 enters at cooperation plane 122, and the diameter of the first rubber seal 411 is than cooperating the diameter of plane 122 big
1mm, when entering cooperation 122 part of plane, cooperation plane 122 can inwardly squeeze the first rubber seal 411, continue thereafter with
Tube body 2 is pushed ahead, can be stopped when the first rubber seal 411, which is moved to, to be bonded with the first cooperation inclined-plane 121, and with
This simultaneously, the second rubber seal 412 with second cooperation inclined-plane 123 be bonded, the diameter of the second rubber seal 412 is matched than second
The big 1mm of diameter on inclined-plane 123 is closed, the second rubber seal 412 also can inwardly be squeezed by the second cooperation inclined-plane 123, improve connection
Leakproofness realizes both ends sealing, seamless connection；
Concrete mortar is circulated into each pouring hole 11 by worker, mortar along pouring hole 11 enter first pour it is close
It seals in section 5, to fill up gap herein, the first mortar poured in sealing section 5 also can be with the rubber seal of two sides
Connection, which is stained with, to be integrated, and forms three waterproof barriers, is capable of forming effective waterproof sealing structure, and mortar is alternatively arranged as rubber
The attachment base of cushion rubber guarantees the stability maintenance of rubber ring, rubber ring is avoided to misplace, and passes through each 11 penetration concrete of pouring hole
Mortar enables to the inflow inside that is more accurate and being deep into junction of mortar, improves connection sealing effect, easy to operate；
Finally each pouring hole 11 will be blocked using concrete mortar, and so that assembly pipe 1 is capable of forming complete lattice, improve intensity.
As shown in figure 4, Fig. 4 is that assembly pipe shown in the present invention connect second of embodiment cross section structure signal with tube body
Figure；
The inner wall for assembling pipe 1 is planar structure, and the outer wall of tube body 2 is provided with cricoid third fitting groove 23, third fitting groove
23 width is greater than the dispersion of distribution of pouring hole 11；
Sealing mechanism 4 includes third rubber seal 421, and third rubber seal 421 is set in outside third fitting groove 23
The inner wall of wall, the outer wall and assembly pipe 1 of third rubber seal 421 fits closely, and the outer wall of third rubber seal 421 is provided with
Three cricoid to pour slot 4211, each pours that the top of slot 4211 is opposite to be equipped with one and pour ring；
During installation, by 421 sets of the third rubber seal outsides in third fitting groove 23, tube body 2 is inserted into assembly
In pipe 1, the diameter of third rubber seal 421 is 1mm bigger than the internal diameter for assembling pipe 1, when filling in, third rubber seal 421
Pipe 1 can be assembled to be squeezed, when being fully inserted into tube body 2, pour slot 4211 with pour ring and be aligned one by one；
Concrete mortar is circulated into each pouring hole 11 by worker, and concrete mortar is flowed into correspondence by pouring hole 11
Pour in slot 4211, formation fills up and pours slot 421, and concrete mortar, which can be contacted sufficiently with third rubber seal 421, to be stained with
It closes, improves the fixing intensity of third rubber seal 421, and molding mortar structure can be outside third rubber seal 421
It encloses and re-forms three barriers, improve waterproof effect；Then each pouring hole is sealed again, so that assembly pipe 1 is capable of forming complete knot
Structure.
As shown in figure 5, Fig. 5 is that assembly pipe shown in the present invention connect the signal of the third embodiment cross section structure with tube body
Figure；
The outer wall of tube body 2 is provided with cricoid 4th fitting groove 24 and the 5th fitting groove 25, and the 4th fitting groove 24 is located at the 5th
The outside of fitting groove 25, the 4th fitting groove 24 be located at middle part, two articles of right part pour between ring, the 5th fitting groove 25 be located at middle part,
Left part two pour between ring, and middle part pours ring and is installed between the 4th fitting groove 24 and the 5th fitting groove 25, the 4th fitting groove
24 and the 5th region between fitting groove 25 be that third pours sealing section 7, the right side of the 4th fitting groove 24 be second pour it is close
Section 6 is sealed, the left side of the 5th fitting groove 25 is that third pours sealing section 8；
Sealing mechanism 4 includes the 4th rubber seal 431, the 5th rubber seal 432；
During installation, the 4th rubber seal 431, the 5th rubber seal 432 are respectively fitted over the 4th fitting groove 24,
In five fitting grooves 25；By tube body 2 be tucked into assembly pipe 1 in, when the 4th fitting groove 24 be located at middle part, two articles of right part pour ring it
Between, the 5th fitting groove 25 be located at middle part, two articles of left part stop movement when pouring between ring；
Worker pours into concrete mortar from pouring hole 11, concrete mortar by pouring hole 11 be flowed into second pour it is close
Envelope section 6, third pour sealing section 7 and the 4th pour in sealing section 8, and mortar is flowed into second from the ring that pours on right side
It pours at sealing section 6, mortar is flowed into third and pours sealing section 7 from the ring that pours at middle part, and mortar pours ring from left side
It is flowed into the 4th and pours sealing section 8, to realize the closure for sealing section, the 4th rubber seal 431, the 5th rubber
5 barriers can be collectively formed in sealing ring 432 and each sealing section that pours.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of cement water-supply-pipe, including assembly pipe (1), tube body (2) and pipe pillow (3)；It is characterized by also including sealers
The outer wall of structure (4), the tube body (2) is embedded with the sealing mechanism (4), and the sealing mechanism (4) is to block the assembly
Manage the connection gap of (1), the tube body (2)；
The outer wall of the assembly pipe (1) is provided with multiple pouring holes (11), and the pouring hole (11) is to be circulated into institute for filler material
At the connection gap for stating assembly pipe (1), the tube body (2), the filler material is closely connect with the sealing mechanism (4).
2. a kind of cement water-supply-pipe according to claim 1, it is characterised in that: pouring hole (11) circular array point
Cloth constitutes a circle and pours ring, and the ring that pours equidistantly is equipped with three.
3. a kind of cement water-supply-pipe according to claim 2, it is characterised in that: the inner wall of the assembly pipe (1) is equipped with dress
With face (12), the fitting surface (12) includes the first cooperation inclined-plane (121), cooperation plane (122) and the second cooperation inclined-plane
(123), second cooperation inclined-plane (123), the cooperation plane (122) and first cooperation inclined-plane (121) are by extroversion
Interior seamless connection, first cooperation inclined-plane (121), described second cooperate the chamfered portion of inclined-plane (123) towards the dress
Be piped (1) external opening at, it is described second cooperation inclined-plane (123) be located at it is described cooperation plane (122) top, described first
Cooperate inclined-plane (121) to be located at the bottom of cooperation plane (122), is set at the bottom end outlet of the pouring hole (11) described
Cooperate at plane (122).
4. a kind of cement water-supply-pipe according to claim 3, it is characterised in that: the end outer wall interval of the tube body (2)
It is provided with cricoid first fitting groove (21) and the second fitting groove (22), first fitting groove (21) is located at second fitting groove
(22) outside, the sealing mechanism (4) include the first rubber seal (41) and the second rubber seal (42), described first
The bottom surface of rubber seal (41) is embedded in the inside of first fitting groove (21), the top of first rubber seal (42)
Face is bonded with first cooperation inclined-plane (121), and second rubber seal (42) is socketed on second fitting groove (22)
Inside, the top surface of second rubber seal (42) with it is described second cooperation inclined-plane (123) be bonded.
5. a kind of cement water-supply-pipe according to claim 4, it is characterised in that: first fitting groove (21), described
Region is first to pour sealing section (6) between two fitting grooves (22), described first pour sealing section (6) be located relatively at it is described
Cooperate the bottom of plane (122), described first pours sealing section (6) is connected to the pouring hole (11).
6. a kind of cement water-supply-pipe according to claim 5, it is characterised in that: first rubber seal (411) and
The section of second rubber seal (412) is ladder structure of right angle, first rubber seal (411) and described second
The top of rubber seal (412) is inclined plane shape.
7. a kind of cement water-supply-pipe according to claim 2, it is characterised in that: the inner wall of the assembly pipe (1) is plane
Structure.
8. a kind of cement water-supply-pipe according to claim 7, it is characterised in that: the end outer wall of the tube body (2) is provided with
Third fitting groove (23), the cross-sectional width of the third fitting groove (23) are greater than the outlet dispersion of distribution of the pouring hole (11),
The sealing mechanism (4) includes third rubber seal (421), and the bottom of the third rubber seal (421) is embedded in institute
State in third fitting groove (23), the outer wall of the third rubber seal (421) offer it is a plurality of it is cricoid pour slot (4211),
Poured described in every the outside of slot (4211) it is opposite be equipped with one described in pour ring.
9. a kind of cement water-supply-pipe according to claim 7, it is characterised in that: the end outer wall of the tube body (2) is provided with
Cricoid 4th fitting groove (24) and the 5th fitting groove (25), the 5th fitting groove (25) are located at the 4th fitting groove (24)
Inside, the 4th fitting groove (24), the 5th fitting groove (25) be located relatively at it is adjacent it is described pour between ring, it is described close
Sealing mechanism (4) includes the 4th rubber seal (431) and the 5th rubber seal (432), the 4th rubber seal (431)
Bottom be embedded in the inside of the 4th fitting groove (24), the bottom of the 5th rubber seal (432) is embedded in described
The inside of 5th fitting groove (25).
10. a kind of cement water-supply-pipe according to claim 9, it is characterised in that: the 4th fitting groove (24), described
Sealing section (7) is poured for third between five fitting grooves (25), the 4th fitting groove (24) deviates from the 5th fitting groove
(25) the other side pours sealing section (6) for second, and the 5th fitting groove (25) is away from the 4th fitting groove (24)
The other side is the 4th to pour sealing section (8), and described second, which pours sealing section (6), third, pours sealing section (7) and the
Four, which pour sealing section (8), is connected to the pouring hole (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910238793.3A CN109914569B (en) | 2019-03-27 | 2019-03-27 | Cement water delivery pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910238793.3A CN109914569B (en) | 2019-03-27 | 2019-03-27 | Cement water delivery pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109914569A true CN109914569A (en) | 2019-06-21 |
| CN109914569B CN109914569B (en) | 2024-01-30 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910238793.3A Active CN109914569B (en) | 2019-03-27 | 2019-03-27 | Cement water delivery pipe |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116255512A (en) * | 2023-03-09 | 2023-06-13 | 浙江巨龙管业科技有限公司 | Sealing connection convenient prestress steel cylinder concrete pipe and mud pouring die |
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| CN107061867A (en) * | 2017-04-14 | 2017-08-18 | 宣城市政建设集团有限公司 | A kind of reinforced concrete drainage pipe is rested the head on pipe |
| CN206874989U (en) * | 2017-05-28 | 2018-01-12 | 浙江清宇管业有限公司 | A kind of fiber composite cement pipe joint |
| CN108824595A (en) * | 2018-06-15 | 2018-11-16 | 禹州源衡水处理有限公司 | Plant area of sewage treatment plant underground piping attachment device |
| CN208381517U (en) * | 2018-06-30 | 2019-01-15 | 禹州市国泰建工科技有限公司 | A kind of regeneration concrete conveyance conduit |
| CN210395577U (en) * | 2019-03-27 | 2020-04-24 | 宣城市政建设集团有限公司 | Cement water delivery pipe |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116255512A (en) * | 2023-03-09 | 2023-06-13 | 浙江巨龙管业科技有限公司 | Sealing connection convenient prestress steel cylinder concrete pipe and mud pouring die |
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