CN106641560A - Enhanced electric melting repair strip and preparation method thereof - Google Patents
Enhanced electric melting repair strip and preparation method thereof Download PDFInfo
- Publication number
- CN106641560A CN106641560A CN201611168442.2A CN201611168442A CN106641560A CN 106641560 A CN106641560 A CN 106641560A CN 201611168442 A CN201611168442 A CN 201611168442A CN 106641560 A CN106641560 A CN 106641560A
- Authority
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- China
- Prior art keywords
- strip
- glass fibre
- belt
- conductive metal
- composite band
- 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.)
- Granted
Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 238000002844 melting Methods 0.000 title claims abstract description 7
- 230000008018 melting Effects 0.000 title claims abstract description 7
- 230000008439 repair process Effects 0.000 title abstract description 18
- 229920003023 plastic Polymers 0.000 claims abstract description 67
- 239000004033 plastic Substances 0.000 claims abstract description 66
- 239000003365 glass fiber Substances 0.000 claims abstract description 60
- 239000002131 composite material Substances 0.000 claims abstract description 46
- 239000002184 metal Substances 0.000 claims abstract description 33
- 229910052751 metal Inorganic materials 0.000 claims abstract description 33
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 238000005520 cutting process Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000001125 extrusion Methods 0.000 claims abstract description 6
- 239000012943 hotmelt Substances 0.000 claims description 13
- 229920001903 high density polyethylene Polymers 0.000 claims description 9
- 239000004700 high-density polyethylene Substances 0.000 claims description 9
- 229920001684 low density polyethylene Polymers 0.000 claims description 9
- 239000004702 low-density polyethylene Substances 0.000 claims description 9
- 238000005485 electric heating Methods 0.000 claims description 5
- 229920001169 thermoplastic Polymers 0.000 claims description 5
- 239000004416 thermosoftening plastic Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 239000012190 activator Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 229910052731 fluorine Inorganic materials 0.000 claims description 3
- 239000011737 fluorine Substances 0.000 claims description 3
- 230000000977 initiatory effect Effects 0.000 claims description 3
- 230000014759 maintenance of location Effects 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 238000010008 shearing Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 238000005498 polishing Methods 0.000 claims description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims 1
- 238000000465 moulding Methods 0.000 abstract 1
- 238000003723 Smelting Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 3
- 239000012768 molten material Substances 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010865 sewage Substances 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
- 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
- F16L55/1683—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of a patch which is fixed on the wall of the pipe by means of an adhesive, a weld or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0011—Combinations of extrusion moulding with other shaping operations combined with compression moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention belongs to the technical field of pipeline repair and relates to an enhanced electric melting repair strip and a preparation method thereof. The strip comprises a bottom-layer plastic plate strip, an upper-layer plastic plate strip, a conductive metal net, a wire electrode, a glass fiber composite strip and end slopes; the conductive metal net is laid on the upper-side plate surface of the bottom-layer plastic plate strip; one end of the conductive metal net is connected with the wire electrode; the glass fiber composite strip is laid on the conductive metal net; the upper-layer plastic plate strip is laid on the upper surface of the glass fiber composite strip; and the two ends of the repair strip in the length direction adopt slope structures. The preparation method of the repair strip comprises five process steps of unwinding overlapping, heating, plate strip extrusion, press molding and fixed-length cutting. The glass fiber composite strip is added to the repair strip, the tensile strength is improved, and the strip can be applied to high-pressure pipelines; the slope structures at the ends are arranged, so that the strip is flat and free of gaps after being used; the repair strip is simple in structural design, convenient to use and wide to apply; and the preparation method of the repair strip is simple and easy to operate, convenient to apply and popularize and friendly to the application environment.
Description
Technical field：
The invention belongs to repairing pipe technical field, is related to a kind of reinforced electric hot melt mending tape and preparation method thereof, it is special
It is not that a kind of continuous glass-fiber composite band strengthens electric heating melting mending tape and preparation method thereof.
Background technology：
Electric thermal smelting belt is a kind of connecting pipe of the embedded special type heating wire net of plastic plate Jing heat seals, and it is in the company of energization
A kind of molten material can be formed when connecing between Electric thermal smelting belt and tubing, can be interpenetrated between molecule, be spread, so cooling
After can form a kind of firm combination, so Electric thermal smelting belt connection have the advantages that good seal performance, connecting portion are firm, lead
The underground sewage and rainwater for being applied to city discharges the connection of plastic tube.Common plasticses Electric thermal smelting belt be by pure plastic board/belt and
Press the conductive metal mesh inlayed in one plate face of strip to constitute, it is widely used in major diameter without pressure thermoplastic draining
The connection of pipeline, but its tensile strength is relatively low, can only meet and be subjected only to the drainage pipeline of external pressure (without tension load) and use；
Generally, when in use, two end tangent planes are vertical corner structure to Electric thermal smelting belt, when overlapping with pipeline outer wall easily and tube wall
Wedge-shaped crevice is formed, process is bad to be susceptible to leakage phenomenon.Therefore, seek to design a kind of reinforced electric hot melt mending tape and its
Preparation method, adds glass fibre composite band in the production method of Electric thermal smelting belt, tensile strength is improved, for use in high-voltage tube
Road, arranges ramp shaped structure, using rear smooth seamless strap end portion is repaired.
The content of the invention：
It is an object of the invention to overcome the shortcoming that prior art is present, propose that a kind of reinforced electric of design heats mending tape
And preparation method thereof, to overcome existing electric heating melting mending tape to repair the defect of pressure piping, solve existing mending tape tension
The problem of low intensity.
To achieve these goals, reinforced electric according to the present invention heats mending tape, and its agent structure includes：Bottom is moulded
Flitch band, overlying plastic strip, conductive metal mesh, lead electrode, glass fibre composite band and end ramps；Bottom plastic board/belt
Structure, size and material all same with overlying plastic strip, bottom plastic board/belt and overlying plastic strip are moulded using thermoplasticity
Material, Jing is crushed to the strip structure with certain thickness and width；The upside plate face upper berth of bottom plastic board/belt is provided with conduction
Wire netting, one end of conductive metal mesh is connected with lead electrode；Glass fibre composite band, conducting metal are laid on conductive metal mesh
Net is identical with the width of glass fibre composite band, and the upper surface of glass fibre composite band is equipped with overlying plastic strip；Conductive gold
The width of category net and glass fibre composite band is slightly less than bottom plastic board/belt, and upper, bottom plastic board/belt is at the edge of width
Press together, conductive metal mesh and glass fibre composite band are coated on and are internally formed reinforced electric hot melt mending tape；Repair
The both ends in strip length direction are ramp structure, smooth with pipeline outer wall overlap joint when using, it is to avoid to form wedge shape space.
Described thermoplastic is high density polyethylene (HDPE) (HDPE) or low density polyethylene (LDPE) (LDPE).
The glass fibre composite band is that continuous glass fibre is surface-treated using activator, after then processing
Glass fibre be combined with polymer, be drawn into thickness for 0.2～0.8mm, length is the composite band of 1000～2000m；
Made by glass fibre composite band the mass fraction of glass fibre be 60～70%, volume fraction is 45～55%, bears drawing
Power is 2500～20000N, and glass fibre pulling force retention rate is 70～80%.
The present invention when in use, will repair the ramp structure with one end and overlap with pipeline outer wall, makes pipeline outer wall and repairs
Between band gently excessively, it is to avoid produce wedge shape space, then will repair the circle circle of band one and envelope pipeline, give conductive metal mesh company
The lead electrode for connecing is powered, and a kind of molten material is formed between mending tape and pipeline, and a kind of sealing property can be formed after cooling
The good, combination that connecting portion is firm, tensile strength is high.
Reinforced electric that the present embodiment is related to heats the preparation method of mending tape, and it is crowded that it includes unreeling overlaps, heating, strip
Go out, compressing, five processing steps of customized cut-off.
(1) overlap is unreeled：The conductive metal mesh of web-like and glass fibre composite band are placed on spindle shelf respectively, it is conductive
The riding position of wire netting and glass fibre composite band on spindle makes both lengthwise edges align；By wire netting and glass
The initiating terminal alignment of glass fiber composite band, together through deflector roll, obtains both and aligns the overlay of overlap；
(2) heat：The overlay of wire netting and glass fibre composite band obtained in step (1) passes through heater, in heating
Heating overlay is obtained in device through heating；Heater is set to infrared heating, and heating-up temperature is 150～200 DEG C；
(3) strip extrusion：The obtained heating overlay of step (2) passes through extruder, extruder top and extruder bottom
Extrude overlying plastic strip and bottom plastic board/belt respectively simultaneously, overlying plastic strip is laid in the upper table of the overlay of operation
Face, bottom plastic board/belt is laid in the lower surface of the overlay of operation, obtains with upper, bottom plastic board/belt overlay；
(4) it is compressing：Step (3) is obtained compressing into pressure roller with upper, bottom plastic board/belt overlay,
Obtain reinforced electric hot melt mending tape；The roller surface polishing or apply fluorine process, make it is compressing during, plastics
Not roll banding；The pressure roller provides the tractive force that reinforced electric heats mending tape, hauling speed 0.5-4m/min；
(5) customized cut-off：Length as requested arranges the control program of shearing length in cut-to-length sizes machine, and setting is cut
The cutting angle of knife, makes cut-to-length sizes machine cut by certain length and angle, obtains reinforced electric hot melt mending tape finished product.
The present invention adds compared with prior art, in mending tape glass fibre composite band, improves tensile strength, can apply to
Pressure piping；End ramp shaped structure is set, using rear smooth seamless；Its structure design is simple, easy to use, is widely used,
Its preparation method is simple to operation, is easy to application and popularization, and applied environment is friendly.
Description of the drawings：
Fig. 1 is the overall cross-section structure principle schematic of the present invention.
Fig. 2 is cross-section structure principle schematic when the present invention is used.
Fig. 3 is the preparation process principle schematic diagram. of the present invention.
Specific embodiment：
Below by specific embodiment and combine accompanying drawing the invention will be further described.
Embodiment 1：
The reinforced electric hot melt mending tape that the present embodiment is related to, is a kind of multi-layer compound structure, and its agent structure includes：Bottom
Layer plastic board/belt 1, overlying plastic strip 2, conductive metal mesh 3, lead electrode 4, glass fibre composite band 5 and ramp structure 6；Bottom
Layer plastic board/belt 1 and the structure of overlying plastic strip 2, size and material all same, bottom plastic board/belt 1 and overlying plastic strip
2 adopt the thermoplastic such as high density polyethylene (HDPE) (HDPE) or low density polyethylene (LDPE) (LDPE), Jing to be crushed to certain thick
The strip structure of degree and width；The upside plate face upper berth of bottom plastic board/belt 1 is provided with conductive metal mesh 3, and the one of conductive metal mesh 3
End is connected with lead electrode 4；1～5 layer of glass fibre composite band 5, conductive metal mesh 3 and glass fibers are laid on conductive metal mesh 3
The width of dimension composite band 5 is identical, and the upper surface of glass fibre composite band 5 is equipped with overlying plastic strip 2；The He of conductive metal mesh 3
The width of glass fibre composite band 5 is slightly less than bottom plastic board/belt 1, edge pressure of upper, the bottom plastic board/belt 2,1 in width
It is combined, conductive metal mesh 3 and glass fibre composite band 5 is coated on and is internally formed reinforced electric hot melt mending tape；Repair
The both ends in strip length direction are ramp structure 6, smooth with pipeline outer wall overlap joint when using, it is to avoid to form wedge shape space.
The glass fibre composite band 5 is that continuous glass fibre is surface-treated using activator, then will be processed
Glass fibre afterwards is combined with polymer, and it is 0.2～0.8mm to be drawn into thickness, and length is the compound of 1000～2000m
Band；Made by glass fibre composite band 5 mass fraction of glass fibre be 60～70%, volume fraction is 45～55%, is held
It is 2500～20000N by pulling force, glass fibre pulling force retention rate is 70～80%；The continuous glass fibre be 2400～
The roving of 3600TEX, glass fiber strength is not less than 0.5N/TEX.
The present invention when in use, will repair the ramp structure 6 with 14 one end and overlap with pipeline outer wall, makes pipeline outer wall and repaiies
Between multiple band 14 gently excessively, it is to avoid produce wedge shape space, then will repair the circle circle of band 14 1 and envelope pipeline 13, give conduction
The lead electrode 4 of the connection of wire netting 3 is powered, and a kind of molten material is formed between mending tape 14 and pipeline 13, can shape after cooling
Into a kind of good seal performance, the combination that connecting portion is firm, tensile strength is high.
Reinforced electric that the present embodiment is related to heats the preparation method of mending tape, and it is crowded that it includes unreeling overlaps, heating, strip
Go out, compressing, five processing steps of customized cut-off.
(1) overlap is unreeled：The conductive metal mesh 3 and glass fibre composite band 5 of web-like are placed on spindle shelf 7 respectively,
The riding position of conductive metal mesh 3 and glass fibre composite band 5 on spindle shelf 7 makes both lengthwise edges align；Will
The initiating terminal alignment of conductive metal mesh 3 and glass fibre composite band 5, together through deflector roll 8, obtains both and aligns the overlap of overlap
Thing；The width of the conductive metal mesh 3 is 295～995mm, and the width of glass fibre composite band 5 is 295～995mm, thickness is 0.2
～0.8mm.
(2) heat：The overlay of wire netting and glass fibre composite band 5 obtained in step (1) passes through heater 9, is adding
Heating overlay is obtained in hot device 9 through heating；Heater 9 is set to infrared heating, and heating-up temperature is 150～200 DEG C.
(3) strip extrusion：The obtained heating overlay of step (2) passes through extruder 10, under extruder top and extruder
Portion extrudes respectively thickness and width identical overlying plastic strip 2 and bottom plastic board/belt 1 simultaneously, and overlying plastic strip 2 tiles
In the upper surface of Yun Hang overlay, bottom plastic board/belt 1 is laid in the lower surface of the overlay of operation, obtains with upper, bottom
The overlay of layer plastic board/belt 1；The each area's temperature of the extruder 10 is 100 DEG C, 120 DEG C, 140 DEG C and 150 DEG C, and head temperature is
160 DEG C, 400～600r/min of extruded velocity, the thickness of overlying plastic strip 2 and bottom plastic board/belt 1 after extrusion is 0.2～
0.4mm, width is 310～1030mm.
(4) it is compressing：Step (3) is obtained to be pressed into upper, bottom plastic board/belt 1 overlay into pressure roller 11
Type, obtains the reinforced electric hot melt mending tape that thickness is 1～2mm, width is 310～1030mm；The surface of the pressure roller 11 polishes
Process or apply fluorine to process, make it is compressing during, plastics not roll banding；The pressure roller 11 provides reinforced electric hot melt mending tape
Tractive force, hauling speed 0.5-4m/min；
(5) customized cut-off：Length as requested arranges the control program of shearing length in cut-to-length sizes machine 12, arranges
The cutting angle of cutting knife, makes cut-to-length sizes machine 12 cut by certain length and angle, and it is 5000～6280mm's to obtain length
Reinforced electric heats mending tape finished product, for repairing the plastic conduit of 800～1000mm of nominal outside diameter, nominal pressure 0.8MPa.
Embodiment 2：
The width of conductive metal mesh 3 be 295mm, the width of glass fibre composite band 5 be 295mm, thickness be 0.2mm, heater 9
Temperature is 150 DEG C, the extruded velocity 400r/min of extruder 10, and the thickness of overlying plastic strip 2 and bottom plastic board/belt 1 is
0.2mm, width is 310mm, and the hauling speed of pressure roller 11 is 0.5m/min, and the enhancing that thickness is 1mm, width is 310mm is obtained
Type electric heating melting mending tape, the 5000mm reinforced electrics hot melt mending tape of Cutting Length, repairs nominal outside diameter 800mm, nominal pressure
The plastic conduit of 1MPa.
Embodiment 3：
The width of conductive metal mesh 3 be 995mm, the width of glass fibre composite band 5 be 995mm, thickness be 0.8mm, heater 9
Temperature is 200 DEG C, the extruded velocity 600r/min of extruder 10, and the thickness of overlying plastic strip 2 and bottom plastic board/belt 1 is
0.4mm, width is 1030mm, and the hauling speed of pressure roller 11 is 1m/min, and the enhancing that thickness is 2mm, width is 1030mm is obtained
Type electric heating melting mending tape, Cutting Length is the reinforced electric hot melt mending tape of 6280mm, repairs nominal outside diameter 1000mm, nominal pressure
The plastic conduit of power 0.8MPa.
Claims (4)
1. a kind of reinforced electric heats mending tape, it is characterised in that agent structure include bottom plastic board/belt, overlying plastic strip,
Conductive metal mesh, lead electrode, glass fibre composite band and end ramps；The knot of bottom plastic board/belt and overlying plastic strip
Structure, size and material all same, bottom plastic board/belt and overlying plastic strip adopt thermoplastic, Jing to be crushed to one
Determine the strip structure of thickness and width；The upside plate face upper berth of bottom plastic board/belt is provided with conductive metal mesh, conductive metal mesh
One end is connected with lead electrode；Glass fibre composite band, conductive metal mesh and glass fibre composite band are laid on conductive metal mesh
Width it is identical, the upper surface of glass fibre composite band is equipped with overlying plastic strip；Conductive metal mesh and glass fibre are compound
The width of band is slightly less than bottom plastic board/belt, and upper, bottom plastic board/belt is pressed together at the edge of width, by conductive gold
Category net and glass fibre composite band are coated on inside；The both ends of mending tape length direction are ramp structure.
2. a kind of reinforced electric according to claim 1 heats mending tape, it is characterised in that described thermoplastic is adopted
With high density polyethylene (HDPE) (HDPE) or low density polyethylene (LDPE) (LDPE).
3. a kind of reinforced electric according to claim 1 and 2 heats mending tape, it is characterised in that described glass fibre is answered
Crossed belt is surface-treated using activator to continuous glass fibre, is then carried out in the glass fibre after process and polymer multiple
Close, it is 0.2～0.8mm to be drawn into thickness, and length is the composite band of 1000～2000m；Made by glass in glass fibre composite band
The mass fraction of glass fiber is 60～70%, and volume fraction is 45～55%, bears pulling force for 2500～20000N, glass fibre
Pulling force retention rate is 70～80%.
4. a kind of reinforced electric described in one of claims 1 to 3 heats the preparation method of mending tape, it is characterised in that including putting
Volume is overlapped, heated, strip extrusion, compressing, five processing steps of customized cut-off:
(1) overlap is unreeled：The conductive metal mesh of web-like and glass fibre composite band are placed on spindle shelf respectively, conducting metal
The riding position of net and glass fibre composite band on spindle makes both lengthwise edges align；By wire netting and glass fibers
The initiating terminal alignment of dimension composite band, together through deflector roll, obtains both and aligns the overlay of overlap；
(2) heat：The overlay of obtained wire netting and glass fibre composite band passes through heater, through heating in heater
Obtain heating overlay；Heater is set to infrared heating, and heating-up temperature is 150～200 DEG C；
(3) strip extrusion：Obtained heating overlay is extruded respectively simultaneously by extruder, extruder top and extruder bottom
Overlying plastic strip and bottom plastic board/belt, overlying plastic strip is laid in the upper surface of the overlay of operation, bottom plastic plate
Band is laid in the lower surface of the overlay of operation, obtains with upper, bottom plastic board/belt overlay；
(4) it is compressing：It is obtained compressing into pressure roller with upper, bottom plastic board/belt overlay, obtain enhancement mode
Electric heating melting mending tape；The roller surface polishing applies fluorine and processes, make it is compressing during, plastics not roll banding；Institute
State pressure roller and the tractive force that reinforced electric heats mending tape, hauling speed 0.5-4m/min are provided；
(5) customized cut-off：Length as requested arranges the control program of shearing length in cut-to-length sizes machine, arranges cutting knife
Cutting angle, makes cut-to-length sizes machine cut by certain length and angle, obtains reinforced electric hot melt mending tape finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611168442.2A CN106641560B (en) | 2016-12-16 | 2016-12-16 | A kind of reinforced electric hot melt mending tape and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611168442.2A CN106641560B (en) | 2016-12-16 | 2016-12-16 | A kind of reinforced electric hot melt mending tape and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106641560A true CN106641560A (en) | 2017-05-10 |
| CN106641560B CN106641560B (en) | 2018-10-19 |
Family
ID=58823135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611168442.2A Expired - Fee Related CN106641560B (en) | 2016-12-16 | 2016-12-16 | A kind of reinforced electric hot melt mending tape and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106641560B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100004588A (en) * | 2008-07-04 | 2010-01-13 | 동해메디칼 주식회사 | Repair tape for pipes |
| CN102518898A (en) * | 2012-01-10 | 2012-06-27 | 哈尔滨斯达维机械制造有限公司 | Reinforced electric hot melting belt and connecting structure and method thereof for connecting reinforced plastic electric hot melting belt with plastic pipeline |
| CN103883822A (en) * | 2014-04-03 | 2014-06-25 | 哈尔滨斯达维机械制造有限公司 | Watertight intensified electric thermal melting belt |
| CN203686451U (en) * | 2014-02-21 | 2014-07-02 | 华创天元实业发展有限责任公司 | Novel electric hot-melt belt |
| CN204213531U (en) * | 2014-11-14 | 2015-03-18 | 华创天元实业发展有限责任公司 | A kind of Electric thermal smelting belt with protective coating |
| CN204739354U (en) * | 2015-06-03 | 2015-11-04 | 华创天元实业发展有限责任公司 | No coped joint electrothermal welding area |
-
2016
- 2016-12-16 CN CN201611168442.2A patent/CN106641560B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100004588A (en) * | 2008-07-04 | 2010-01-13 | 동해메디칼 주식회사 | Repair tape for pipes |
| CN102518898A (en) * | 2012-01-10 | 2012-06-27 | 哈尔滨斯达维机械制造有限公司 | Reinforced electric hot melting belt and connecting structure and method thereof for connecting reinforced plastic electric hot melting belt with plastic pipeline |
| CN203686451U (en) * | 2014-02-21 | 2014-07-02 | 华创天元实业发展有限责任公司 | Novel electric hot-melt belt |
| CN103883822A (en) * | 2014-04-03 | 2014-06-25 | 哈尔滨斯达维机械制造有限公司 | Watertight intensified electric thermal melting belt |
| CN204213531U (en) * | 2014-11-14 | 2015-03-18 | 华创天元实业发展有限责任公司 | A kind of Electric thermal smelting belt with protective coating |
| CN204739354U (en) * | 2015-06-03 | 2015-11-04 | 华创天元实业发展有限责任公司 | No coped joint electrothermal welding area |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106641560B (en) | 2018-10-19 |
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