CN109373103A - A kind of water supply and drainage pipe device for reducing pipe laying revision rate - Google Patents

A kind of water supply and drainage pipe device for reducing pipe laying revision rate Download PDF

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Publication number
CN109373103A
CN109373103A CN201811179465.2A CN201811179465A CN109373103A CN 109373103 A CN109373103 A CN 109373103A CN 201811179465 A CN201811179465 A CN 201811179465A CN 109373103 A CN109373103 A CN 109373103A
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CN
China
Prior art keywords
ring
rubber
rubber layer
layer
connector
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Granted
Application number
CN201811179465.2A
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Chinese (zh)
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CN109373103B (en
Inventor
洪铸枇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HUI'AN COUNTY PINCHUANG INDUSTRIAL DESIGN Co.,Ltd.
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Nan'an Keya Machinery Technology Co Ltd
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Priority to CN201811179465.2A priority Critical patent/CN109373103B/en
Publication of CN109373103A publication Critical patent/CN109373103A/en
Application granted granted Critical
Publication of CN109373103B publication Critical patent/CN109373103B/en
Active legal-status Critical Current
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/16Devices for covering leaks in pipes or hoses, e.g. hose-menders
    • F16L55/168Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03CDOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02Plumbing installations for fresh water
    • E03C1/025Water supply lines as such, e.g. shower hoses

Abstract

The invention discloses a kind of water supply and drainage pipe devices for reducing pipe laying revision rate, its structure includes water pipe, waterpipe couplings, splice connector, in embedding connector, the water pipe and waterpipe couplings are rabbeted, the waterpipe couplings are threadedly coupled with splicing connector, the splicing connector embedding connector snapping in, the present invention increases rubber tube layer in water tube surfaces by changing the connection type realization of water pipe, after water pipe ruptures water can pour into rubber layer connector make soak cotton adsorbed water make its gravity increase move down drive rubber tube layer the rubber layer rotator that moves through rubber tube layer is wound, so that rubber tube layer is become tight be tightly attached on water pipe and rent is bonded realization no longer leak;It is time saving and energy saving when the pipe burst leak for being embedded in underground or metope can eliminate significantly by pipe device self-healing and chisel the cumbersome process that wall ground is repaired, the complete of ground or metope is remained as far as possible.

Description

A kind of water supply and drainage pipe device for reducing pipe laying revision rate
Technical field
The present invention relates to water supply and drainage field, specifically a kind of water supply and drainage water pipe dress for reducing pipe laying revision rate It sets.
Background technique
Water pipe is the pipeline to supply water, and modern times finishing water pipe is all to use to bury wall or walk ground formula construction, and plastic tube uses the time Grown will aging, damage there is leak, the minitype particle destruction that plastic tube quality dissatisfaction also will appear pipeline itself causes Leak.
There is part water pipe to be embedded in underground or metope in prior art house ornamentation, need after pipe burst leak by metope or Ground, which is chiseled, repairs water pipe, and process is tedious, time-consuming and laborious when repairing, also destroys the smooth of ground or metope script.
Summary of the invention
It is a primary object of the present invention to overcome the deficiencies of the prior art and provide a kind of water supply and drainage to be overhauled with reduction pipe laying The pipe device of rate is needed after pipe burst leak with solving to have part water pipe to be embedded in underground or metope in house ornamentation by wall Face or ground, which are chiseled, repairs water pipe, and process is tedious, time-consuming and laborious when repairing, also destroys the flat of ground or metope script Whole problem.
The present invention adopts the following technical scheme that realize: a kind of water supply and drainage reduces the pipe device of pipe laying revision rate, Its structure include water pipe, waterpipe couplings, splicing connector, in embedding connector, the water pipe right end and waterpipe couplings left end Interlocking, the waterpipe couplings right end are threadedly coupled with splicing connector left end, the splicing connector embedding connector in Both ends snapping, the water pipe lateral surface are bonded with rubber tube layer medial surface, and the rubber tube layer is equipped with 3 layers or more, the water pipe Connector is connected with rubber layer connector, and the waterpipe couplings right end is chimeric with rubber layer connector left end, and the water pipe connects Device diameter is connect greater than rubber layer connector.
It is further preferred that the rubber layer connector is equipped with immersion ring, rubber ring, dead ring, the immersion ring, rubber Ring, dead ring arrange from outside to inside, and the immersion ring and rubber ring lock, face paste on the outside of the immersion ring medial surface and rubber ring It closes, the rubber ring is bolted with dead ring, and the rubber ring medial surface is bonded with dead ring lateral surface.
It is further preferred that the immersion ring includes leaching cotton, arc rail, structure ring, the arc rail is connect with leaching celloidin, described Arc rail is located at leaching cotton rear, and the structure ring is equipped with arc rail, and the arc rail is located at the structure ring upper right corner.
It is further preferred that the rubber ring includes rubber layer around axis, rubber layer arc ring, rubber layer rotator, rubber Layer structure ring, the rubber tube layer right end are looped around rubber layer on axis, and the rubber layer is around axis rear side and rubber layer arc ring The connection of front side track, the rubber layer are connect around axis with leaching celloidin, and the rubber layer is around axle position in the leaching cotton lower left corner, the rubber Layer structure ring is equipped with rubber layer arc ring, and the rubber layer rotator is locked on rubber layer arc ring, the rubber layer arc Shape ring is located at the rubber layer structure ring upper right corner.
It is further preferred that the rubber layer includes fixing around axis engagement plate, outer circle around axis, shaft, auxiliary spring, glue-line around axis Arc bucket, interior circular shaft, described to weld around axis engagement plate bottom and outer circle around axis upper end, the outer circle is around axis and shaft axis connection, institute It states outer circle and is welded in shaft rear, the auxiliary spring rear end and outer circle around the leading flank of axis around axle position, the auxiliary spring front end and shaft Trailing flank welding, the shaft left end and the fixed arc bucket right side welding of glue-line, the fixed arc bucket anchor ring of the glue-line and interior circular shaft Left side fitting.
It is further preferred that the rubber layer rotator include clip, spring, sharp gear, pointed tooth plate, around roller, the card It presss from both sides left side to lock with around roller outer ring surface, the clip bottom is welded with spring left and right ends and the two elastic connection, described Sharp gear is threadedly coupled with around roller and the two belongs to same axle center, and the pointed tooth plate engages with sharp gear and on the two composition Flowering structure, pointed tooth board bottom portion are bolted with rubber layer structure ring.
Beneficial effect
Water pipe is penetrated rubber tube layer when installing water pipe and connect with waterpipe couplings by the present invention, and water pipe passes through waterpipe couplings With splicing connector, in embedding connector splice;Water fills between water pipe and conjunction rubber tube layer into rubber layer when water pipe ruptures Connector soaks leaching cotton, and leaching cotton gravity will increase to glide then along arc rail, and leaching cotton, which moves down, drives rubber layer moving down around axis, Rubber layer has pulled down rubber tube layer around axis, is displaced downwardly to the rubber tube layer mounting board of leftmost side when at rubber layer rotator on clip, Then rubber layer continues to move down around axis occurs friction to rubber tube layer and has driven to rotate clockwise around roller, leftmost side when rotation Rubber tube layer is on rubber layer rotator, and sharp gear and then rotates that fixed (pointed tooth plate exists by pointed tooth board when around roller rotation No external force is able to maintain fixed engage sharp gear and fixes in the case of pushing) make can not turning anticlockwise around roller;The rubber of the leftmost side Sebific duct layer detaches from the middle of the fixed arc bucket of glue-line and interior circular shaft in winding process and (installs preceding rubber tube layer firmly to fix Between the fixed arc bucket of glue-line and interior circular shaft, pulling force makes auxiliary spring stretch detaching for realization rubber tube layer when volume draws rubber tube layer); The rent of water pipe is adjacent to, wraps up by rubber tube layer at this time, makes water pipe will not leak;If breach is relatively defecated equally by pouring into The water of rubber layer connector, which makes to soak cotton, moves down the cladding again that rubber tube layer is realized under transmission in rubber layer around axis, until no longer Leak.
Compared with prior art, the beneficial effects of the present invention are: being realized by the connection type for changing water pipe in water pipe table Face increases rubber tube layer, after water pipe ruptures water can pour into rubber layer connector make soak cotton adsorbed water make its gravity increase Adding to move down drives the rubber layer rotator that moves through of rubber tube layer to be wound rubber tube layer, and rubber tube layer is made to become tight It tightens to be attached on water pipe for rent to be bonded and realizes no longer leak;When the pipe burst leak for being embedded in underground or metope can pass through water Pipe device self-healing eliminates significantly and chisels the cumbersome process that wall ground is repaired, time saving and energy saving, remains as far as possible Ground or metope it is complete.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention, Objects and advantages will become more apparent upon:
Fig. 1 shows the structural schematic diagram that a kind of water supply and drainage of the present invention reduces the pipe device of pipe laying revision rate.
Fig. 2 shows regard cutting structural schematic diagram on the right side of rubber layer connector of the invention.
Fig. 3 shows the structural schematic diagram of B amplification of the present invention.
Fig. 4 shows the structural schematic diagram of rubber ring partial enlargement of the present invention.
Fig. 5 shows the structural schematic diagram of rubber layer of the present invention view cutting on the right side of axis.
Fig. 6 shows the structural schematic diagram of view cutting on the right side of rubber layer rotator of the present invention.
Fig. 7 shows the structural schematic diagram of A amplification of the present invention.
In figure: water pipe 1, waterpipe couplings 2, splicing connector 3, in embedding connector 4, rubber tube layer 5, rubber layer connector 6, ring 60, rubber ring 61, dead ring 62, leaching cotton 600, arc rail 601, structure ring 602, rubber layer are soaked around axis 610, rubber layer arc Shape ring 611, rubber layer rotator 612, rubber layer structure ring 613, around axis engagement plate 6100, outer circle around axis 6101, shaft 6012, The fixed arc bucket 6104 of auxiliary spring 6103, glue-line, interior circular shaft 6105, clip 6120, spring 6121, sharp gear 6122, pointed tooth plate 6123, Around roller 6124.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Fig. 1-7 is please referred to, the present invention provides a kind of pipe device technical solution of water supply and drainage reduction pipe laying revision rate: Its structure include water pipe 1, waterpipe couplings 2, splicing connector 3, in embedding connector 4, the water pipe 1 and waterpipe couplings 2 are embedding It connects, the waterpipe couplings 2 are threadedly coupled with splicing connector 3, and described connected by way of screw thread rotation improves water pipe 1 The efficiency of installation is connected, easier for installation quick, the splicing connector 3 embedding 4 snapping of connector in, the splicing connection The embedding connector 4 in of device 3 can be retracted individually, convenient for increase or dismounting that water pipe 1 connects, flexible for installation, time saving and energy saving, the rubber Sebific duct layer 5, which is set, to have three layers above, and the rubber tube layer 5 plays the role of protection to 1 surface layer of water pipe, to the water pipe 1 and rubber tube Layer 5 is bonded, and the waterpipe couplings 2 are connected with rubber layer connector 6, and the waterpipe couplings 2 and rubber layer connector 6 are embedding It closes, the rubber tube layer 5 is easily passed through convenient for water pipe 1 for fluffy configuration and is attached with rubber layer connector 6, the rubber Layer connector 6 is equipped with immersion ring 60, rubber ring 61, dead ring 62, and the immersion ring 60, rubber ring 61, dead ring 62 are by outside extremely Interior arrangement, the immersion ring 60 are locked with rubber ring 61, and the rubber ring 61 is bolted with dead ring 62, the immersion ring 60 Including soaking cotton 600, arc rail 601, structure ring 602, the arc rail 601 is equipped with leaching 600 glue connection of cotton, the structure ring 602 Arc rail 601, the rubber ring 61 include rubber layer around axis 610, rubber layer arc ring 611, rubber layer rotator 612, rubber layer Structure ring 613, the rubber tube layer 5 are looped around rubber layer on axis 610, and the rubber layer is around axis 610 and rubber layer arc ring The connection of 611 tracks, the rubber layer are equipped with rubber layer around axis 610 and leaching 600 glue connection of cotton, the rubber layer structure ring 613 Arc ring 611, the rubber layer rotator 612 are locked on rubber layer arc ring 611, and the leaching cotton 600 has adsorbed water increase Gravity plays the role of that rubber layer is driven to move down around axis 610, the rubber layer around axis 610 move down after can and rubber layer rotate Device 612 rubs, and 5 clip of rubber tube layer that rubber layer rotator 612 can will move down when friction, realizing becomes originally soft 5 Tight fitting is wrapped in 1 surface of water pipe, makes the no longer leak of water pipe 1, the rubber layer around axis 610 include around axis engagement plate 6100, Outer circle is described around axis engagement plate 6100 around axis 6101, shaft 6012, auxiliary spring 6013, glue-line fixed arc bucket 6014, interior circular shaft 6015 It is welded with outer circle around axis 6101, the outer circle is around axis 6101 and 6012 axis connection of shaft, and the auxiliary spring 6013 and outer circle are around axis 6101, shaft 6012 welds, and the shaft 6012 is welded with the fixed arc bucket 6014 of glue-line, the fixed arc bucket 6014 of the glue-line with it is interior Circular shaft 6015 is bonded, described to soak cotton 600 and outer circle around axis 6101 for being connected and fixed and playing linking around axis engagement plate 6100 Effect, the outer circle realize around axis 6101 and move down with rubber tube layer 5 that the fixed arc bucket 6014 of the glue-line, interior circular shaft 6015 are made For under the action of no external force that rubber tube layer 5 is fixed, the rubber layer rotator 612 include clip 6120, spring 6121, Sharp gear 6122, pointed tooth plate 6123, around roller 6124, the clip 6120 is locked with around roller 6124, the clip 6120 and spring 6121 welding and the two elastic connection, the sharp gear 6122 is threadedly coupled with around roller 6124 and the two belongs to same axis The heart, the pointed tooth plate 6123 are engaged with sharp gear 6122, and the pointed tooth plate 6123 is bolted with rubber layer structure ring 613, institute It states rubber layer and is moved down around axis 610 and friction occurs with rubber layer rotator 612 be stuck in rubber tube layer 5 on clip 6120, when friction Drive the rotation of rubber layer rotator 612 to drive the winding of rubber tube layer 5 simultaneously, realization rubber tube layer 5 by it is soft be changed into it is tight Play the role of fitting closely water pipe 1, makes water pipe no longer leak.
Water pipe 1 is penetrated rubber tube layer 5 when water pipe 1 is installed to connect with waterpipe couplings 2, water pipe 1 passes through waterpipe couplings 2 With splicing connector 3, in embedding connector 4 splice;Water fills between water pipe 1 and conjunction rubber tube layer 5 into rubber when water pipe 1 ruptures Glue-line connector 6 soaks leaching cotton 600, and leaching 600 gravity of cotton will increase to glide then along arc rail 601, and leaching cotton 600 moves down drive Rubber layer is moved down around axis 610, and rubber layer has pulled down rubber tube layer 5 around axis 610, when being displaced downwardly at rubber layer rotator 612 most 5 mounting board of rubber tube layer in left side is on clip 6120, and then rubber layer continues to move down and rub to rubber tube layer 5 around axis 610 Driven rotating clockwise around roller 6124, when rotation the rubber tube layer 5 of the leftmost side on rubber layer rotator 612, around Sharp gear 6122 and then rotates that locking (pointed tooth plate 6123 is when no external force pushes by pointed tooth plate 6123 when roller 6124 rotates Fixed engage sharp gear 6122 is able to maintain to fix) make can not turning anticlockwise around roller 6124;The rubber tube layer 5 of the leftmost side exists It is detached in winding process from the middle of the fixed arc bucket 6104 of glue-line and interior circular shaft 6105 and (it is firmly solid that preceding rubber tube layer 5 is installed It is scheduled between the fixed arc bucket 6104 of glue-line and interior circular shaft 6105, pulling force makes auxiliary spring 6103 stretch realization when volume draws rubber tube layer 5 Rubber tube layer 5 detaches);The rent of water pipe 1 is adjacent to, wraps up by rubber tube layer 5 at this time, makes water pipe 1 will not leak;If rupture Mouthful relatively stool, which equally makes to soak cotton 600 by pouring into the water of rubber layer connector 6, to be moved down and realizes under the transmission of axis 610 in rubber layer The cladding again of rubber tube layer 5, until no longer leak.
The technological progress that the present invention obtains compared with the prior art is: the connection type by changing water pipe 1 is realized in water pipe 1 Surface increases rubber tube layer 5, and water, which can pour into rubber layer connector 6 and make to soak cotton 600, after water pipe 1 ruptures has adsorbed water and make Its gravity increase, which moves down, drives the rubber layer rotator 612 that moves through of rubber tube layer 5 to be wound rubber tube layer 5, makes Rubber tube layer 5 becomes tight be tightly attached on water pipe 1 and rent is bonded realization no longer leak;When the water pipe for being embedded in underground or metope 1 rupture leak can eliminate significantly by pipe device self-healing and chisel the cumbersome process that wall ground is repaired, time saving province Power remains the complete of ground or metope as far as possible.
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc. With replacement, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this Within the protection scope of invention.

Claims (6)

1. a kind of water supply and drainage pipe device for reducing pipe laying revision rate, structure include water pipe (1), waterpipe couplings (2), Splice connector (3), in embedding connector (4), the water pipe (1) and waterpipe couplings (2) rabbet, the waterpipe couplings (2) It is threadedly coupled with splicing connector (3), the splicing connector (3) embedding connector (4) snapping in, it is characterised in that:
The water pipe (1) is bonded with rubber tube layer (5), and the rubber tube layer (5) sets above, the waterpipe couplings (2) that have three layers It is connected with rubber layer connector (6), the waterpipe couplings (2) are chimeric with rubber layer connector (6).
2. a kind of water supply and drainage pipe device for reducing pipe laying revision rate according to claim 1, it is characterised in that: institute It states rubber layer connector (6) and is equipped with immersion ring (60), rubber ring (61), dead ring (62), the immersion ring (60), rubber ring (61), dead ring (62) arranges from outside to inside, and the immersion ring (60) and rubber ring (61) lock, the rubber ring (61) and tight Gu ring (62) is bolted.
3. a kind of water supply and drainage pipe device for reducing pipe laying revision rate according to claim 2, it is characterised in that: institute Stating immersion ring (60) includes leaching cotton (600), arc rail (601), structure ring (602), the arc rail (601) and leaching cotton (600) glue connection It connects, the structure ring (602) is equipped with arc rail (601).
4. a kind of water supply and drainage pipe device for reducing pipe laying revision rate according to claim 2, it is characterised in that: institute Stating rubber ring (61) includes rubber layer around axis (610), rubber layer arc ring (611), rubber layer rotator (612), rubber layer knot Structure ring (613), the rubber tube layer (5) are looped around rubber layer on axis (610), and the rubber layer is around axis (610) and rubber layer The connection of arc ring (611) track, the rubber layer is around axis (610) and leaching cotton (600) glue connection, the rubber layer structure ring (613) rubber layer arc ring (611) is installed, the rubber layer rotator (612) is locked on rubber layer arc ring (611).
5. a kind of water supply and drainage pipe device for reducing pipe laying revision rate according to claim 4, it is characterised in that: institute It includes around axis engagement plate (6100), outer circle around axis (6101), shaft (6102), auxiliary spring (6103), glue that rubber layer, which is stated, around axis (610) Layer fixed arc bucket (6104), interior circular shaft (6105), it is described to be welded around axis engagement plate (6100) and outer circle around axis (6101), it is described outer Circle is welded around axis (6101) and shaft (6102) axis connection, the auxiliary spring (6103) and outer circle around axis (6101), shaft (6102), The shaft (6102) and glue-line fixed arc bucket (6104) welding, the glue-line fixed arc bucket (6104) and interior circular shaft (6105) are pasted It closes.
6. a kind of water supply and drainage pipe device for reducing pipe laying revision rate according to claim 4, it is characterised in that: institute State rubber layer rotator (612) include clip (6120), spring (6121), sharp gear (6122), pointed tooth plate (6123), around roller (6124), the clip (6120) locks with around roller (6124), and the clip (6120) is welded with spring (6121) and the two Elastic connection, the sharp gear (6122) is threadedly coupled with around roller (6124) and the two belongs to same axle center, the pointed tooth plate (6123) it is engaged with sharp gear (6122), the pointed tooth plate (6123) is bolted with rubber layer structure ring (613).
CN201811179465.2A 2018-10-10 2018-10-10 Water pipe device for reducing pipe burying repair rate for water supply and drainage Active CN109373103B (en)

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CN201811179465.2A CN109373103B (en) 2018-10-10 2018-10-10 Water pipe device for reducing pipe burying repair rate for water supply and drainage

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Application Number Priority Date Filing Date Title
CN201811179465.2A CN109373103B (en) 2018-10-10 2018-10-10 Water pipe device for reducing pipe burying repair rate for water supply and drainage

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CN109373103B CN109373103B (en) 2020-10-16

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111594694A (en) * 2019-03-20 2020-08-28 叶聪梅 Circular pipeline feeding type integral repairing equipment and repairing method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000026573A1 (en) * 1998-10-30 2000-05-11 Link-Pipe (H.K.) Limited Apparatus and method for repairing pressure pipes
CN102416742A (en) * 2011-03-31 2012-04-18 上海威力邦加固工程技术有限公司 Structural pipeline repairing material
CN202469362U (en) * 2012-02-03 2012-10-03 上海平泰橡胶制品有限公司 Plane sealing gasket used for sealing and repairing drinking water pipeline
CN203533020U (en) * 2013-11-08 2014-04-09 李蕾 Feeding and discharging pipeline connection device
CN104406001A (en) * 2014-11-20 2015-03-11 常州市安家热工仪表有限公司 Chemical pipeline safety hood
CN104500907A (en) * 2014-12-26 2015-04-08 湖南大麓管道工程有限公司 Trenchless pipeline repairing device and trenchless pipeline repairing method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000026573A1 (en) * 1998-10-30 2000-05-11 Link-Pipe (H.K.) Limited Apparatus and method for repairing pressure pipes
CN102416742A (en) * 2011-03-31 2012-04-18 上海威力邦加固工程技术有限公司 Structural pipeline repairing material
CN202469362U (en) * 2012-02-03 2012-10-03 上海平泰橡胶制品有限公司 Plane sealing gasket used for sealing and repairing drinking water pipeline
CN203533020U (en) * 2013-11-08 2014-04-09 李蕾 Feeding and discharging pipeline connection device
CN104406001A (en) * 2014-11-20 2015-03-11 常州市安家热工仪表有限公司 Chemical pipeline safety hood
CN104500907A (en) * 2014-12-26 2015-04-08 湖南大麓管道工程有限公司 Trenchless pipeline repairing device and trenchless pipeline repairing method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111594694A (en) * 2019-03-20 2020-08-28 叶聪梅 Circular pipeline feeding type integral repairing equipment and repairing method thereof

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