CN106929661A - A kind of extraordinary electric power cable automatic annealing machine of huge copper core - Google Patents
A kind of extraordinary electric power cable automatic annealing machine of huge copper core Download PDFInfo
- Publication number
- CN106929661A CN106929661A CN201710306110.4A CN201710306110A CN106929661A CN 106929661 A CN106929661 A CN 106929661A CN 201710306110 A CN201710306110 A CN 201710306110A CN 106929661 A CN106929661 A CN 106929661A
- Authority
- CN
- China
- Prior art keywords
- annealing
- copper core
- wheel
- electric power
- water tank
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D11/00—Process control or regulation for heat treatments
- C21D11/005—Process control or regulation for heat treatments for cooling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
The invention discloses a kind of extraordinary electric power cable automatic annealing machine of huge copper core, including dolly, upper conductive bag above dolly, the cross-arm directive wheel being connected by copper core cable with upper conductive bag, annealing chamber below cross-arm directive wheel, is arranged on the water tank below annealing chamber, and be arranged on the lower conductive bag in water tank, lower conductive bag is connected with the first reciprocal wheel and the second reciprocal wheel in turn by copper core cable, and the second reciprocal wheel top is provided with tuyere blow-dry device;Through the copper core cable on the overcooled second reciprocal wheel by entering take-up after fifth wheel;Described automatic annealing machine includes the control cabinet for power distribution for providing and being controlled for power supply.The present invention can preferably meet the annealing of big line footpath, and with annealing process it is simple, annealing quality is high, with low cost, annealing efficiency is high, greatly reduces production cost, improves the market competitiveness of enterprise.
Description
Technical field
The present invention relates to a kind of extraordinary electric power cable automatic annealing device field of copper core, specially one kind is related to one kind
The huge automatic annealing machine of copper core and its annealing process.
Background technology
With the development of science and technology, electric power cable copper core is used by annealing device always as traditional annealed material, and
The electric power cable copper core annealing device researched and developed in the market, its copper core anneals wire range all in below 3.5mm, belongs to small
Type or medium-sized copper core are annealed, and the copper core annealing line footpath for occurring is in the huge extraordinary line footpath annealing of more than 3.5mm still using old-fashioned
Vexed tank formula annealing way, the problem that old-fashioned vexed tank formula annealing way is present is:Equipment cost is high and annealing efficiency is low.
Therefore, the annealing device of existing rectangle special type copper core is improved, is made its improve production efficiency and is reduced production cost,
It has been a good problem to study.
The content of the invention
In order to overcome above-mentioned deficiency of the prior art, big line footpath annealing can be preferably met the invention provides one kind,
And with annealing process it is simple, annealing quality is high, with low cost, annealing efficiency is high, greatly reduce production cost special type electricity
The line of force cable automatic annealing machine of huge copper core.
The object of the present invention is achieved like this:
A kind of extraordinary electric power cable automatic annealing machine of huge copper core, it is characterised in that:Including dolly 1, above dolly
Upper conductive bag 3, the cross-arm directive wheel 6 being connected by copper core cable with upper conductive bag 3, positioned at the annealing of the lower section of cross-arm directive wheel 6
Room, is arranged on the water tank 14 of the lower section of annealing chamber 8, and is arranged on the lower conductive bag 12 in water tank 14, and lower conductive bag 12 leads to
Cross copper core cable and be connected with the reciprocal wheel 15 of the first reciprocal wheel 13 and second in turn, the second reciprocal top of wheel 15 is provided with tuyere drying
Device 16;Through the copper core cable on the overcooled second reciprocal wheel 15 by entering take-up after fifth wheel 17;It is described from
Dynamic annealing machine includes the control cabinet for power distribution 4 for providing and being controlled for power supply;
The lower section of described dolly 1 is provided with wheel 19;
Described upper wire bag 3 is arranged on wire bag stand-off 2, and upper wire bag stand-off 2 is arranged in frame;Described cross-arm is led
It is arranged on above cross-arm 7 to wheel 6, cross-arm 7 is connected with the top of annealing chamber 8;The lower section of annealing chamber 8 is connected with lower conductive bag 12;
Described 12 are arranged on lower conductive bag stand-off 11;
The described rear of control cabinet for power distribution 4 connects and is arranged on the first copper bar 5 in frame, the second copper bar 9 and the 3rd copper bar 10;
Described the first copper bar 5, the second copper bar 9 and the 3rd copper bar 10 are sequentially connected;
The outside of described water tank 14 is provided with cooling device 20 and water-output flange 18;
Reciprocal 15 cases of reciprocal wheel of wheel 13 and second of described first are on water tank 14, and both are not arranged on the same straight line;
Described annealing chamber 8 is annealing pipe, including body, and the two ends of described body 5 are fastened with porcelain head by nut;Described
Hollow porcelain tube is provided with body, porcelain tube has glass wool cloth with body middle setting;
The described extraordinary electric power cable annealing process of the automatic annealing machine of huge copper core, is annealed using the non-carbonate conduction of direct current,
Copper core cable by it is upper it is conductive wrap, cross-arm is back and forth taken turns, annealing chamber, lower conduction bag, water tank, tuyere blow-dry device, fifth wheel and
Cooling device annealing completion enters take-up;Annealing chamber possesses anti-oxidation steam blanketing apparatus, intelligence control using earthenware
System processed, arbitrarily adjusts annealing coefficient and the speed of service in operation.Control System Design has metering stopping function, metering weight calculation
Function control device is calculated by detection speed signal, true reflection copper cash rice number, and annealing wire range is up to 7.35mm-
5.0mm, annealing speed 20-40m/min, annealing distance are 5550mm, and anneal length of tube 1990mm, the simple copper core table of annealing process
Face light is smooth.
Positive beneficial effect:A kind of JTH types special type electric power cable automatic annealing machine of huge copper core that the present invention is provided, moves back
Lighter uses the non-carbonate conductive annealing way of direct current;Annealing chamber possesses anti-oxidation steam blanketing apparatus using earthenware;Annealing
The cooling water tank of machine is welded using stainless-steel sheet, because the big annealing distance temperature of annealing line footpath is high so not only water tank
Widen and increase lengthening, and cool down significantly equipped with spiral coil cooling tube and being connected with the plate type heat exchanger outside water tank in water tank bottom
The temperature of water makes copper cash have enough cool time and effects.Annealing wire range is up to 7.35mm-5.0mm, annealing speed reality
Existing 20-40m/min, annealing distance is 5550mm, and anneal length of tube 1990mm, and the simple copper core surface light of annealing process is smooth,
The blank of the market special type electric power cable automatic annealing machine of huge copper core is filled up.
Brief description of the drawings
Fig. 1 is assembling structure schematic diagram of the invention;
Fig. 2 is partial structural diagram of the invention;
Fig. 3 is water tank of the present invention and reciprocal wheel attachment structure schematic diagram;
Fig. 4 is the front view in water tank in the present invention;
Fig. 5 is the top view of water tank in the present invention;
It is in figure:Dolly 1, upper conductive bag stand-off 2, upper conductive bag 3, control cabinet for power distribution 4, the first copper bar 5, cross-arm directive wheel 6, horizontal stroke
Load 7, annealing pipe 8, the second copper bar 9, the 3rd copper bar 10, lower conductive bag stand-off 11, the lower conductive reciprocal wheel 13, water tank of bag 12, first
Body 14, second back and forth takes turns 15, blast nozzle part 16, the wheel component 17 that tests the speed, water-output flange 18, wheel 19, cooling device 20.
Specific embodiment
Below in conjunction with the accompanying drawings, the present invention is described further:
As shown in Figure 1 and Figure 2, a kind of extraordinary electric power cable automatic annealing machine of huge copper core, including dolly 1, positioned at dolly top
Upper conductive bag 3, the cross-arm directive wheels 6 being connected by copper core cable with upper conductive bag 3, moving back below cross-arm directive wheel 6
Fiery room, is arranged on the water tank 14 of the lower section of annealing chamber 8, and is arranged on the lower conductive bag 12 in water tank 14, lower conductive bag 12
The reciprocal wheel 15 of first reciprocal wheel 13 and second is connected with turn by copper core cable, the second reciprocal top of wheel 15 is provided with tuyere and blows
Equipment for drying 16;Through the copper core cable on the overcooled second reciprocal wheel 15 by entering take-up after fifth wheel 17;Described
Automatic annealing machine includes the control cabinet for power distribution 4 for providing and being controlled for power supply;
The lower section of described dolly 1 is provided with wheel 19;Walking conveniently moving can be push, is used for threading bracing wire;
Described upper wire bag 3 is arranged on wire bag stand-off 2, and upper wire bag stand-off 2 is arranged in frame;Described cross-arm is led
It is arranged on above cross-arm 7 to wheel 6, cross-arm 7 is connected with the top of annealing chamber 8;The lower section of annealing chamber 8 is connected with lower conductive bag 12;
Described 12 are arranged on lower conductive bag stand-off 11;
The described rear of control cabinet for power distribution 4 connects and is arranged on the first copper bar 5 in frame, the second copper bar 9 and the 3rd copper bar 10;
Described the first copper bar 5, the second copper bar 9 and the 3rd copper bar 10 are sequentially connected;
The outside of described water tank 14 is provided with cooling device 20 and water-output flange 18;
As shown in Fig. 3, Fig. 4, Fig. 5, the first described reciprocal wheel 13 and second back and forth takes turns 15 cases on water tank 14, and both
It is not arranged on the same straight line;
Described annealing chamber 8 is annealing pipe, including body, and the two ends of described body 5 are fastened with porcelain head by nut;Described
Hollow porcelain tube is provided with body, porcelain tube has glass wool cloth with body middle setting;
The described extraordinary electric power cable annealing process of the automatic annealing machine of huge copper core,
Using the non-carbonate conductive annealing of direct current, copper core cable by it is upper it is conductive wrap, cross-arm is back and forth taken turns, annealing chamber, lower conductive bag, water
The annealing completion of casing, tuyere blow-dry device, fifth wheel and cooling device enters take-up;Annealing chamber possesses anti-using earthenware
The steam blanketing apparatus of oxidation, intelligence control system arbitrarily adjusts annealing coefficient and the speed of service in operation.Control system sets
In respect of metering stopping function, metering weight calculation function control device is calculated by detection speed signal, true reflection copper cash rice number,
Annealing wire range is 5550mm up to 7.35mm-5.0mm, annealing speed 20-40m/min, annealing distance, length of tube of annealing
1990mm, the simple copper core surface light of annealing process is smooth.
Cross-arm guide wheel uses ceramic bearing, not only good insulating but also intensity is wear-resisting greatly.Purpose is to preferably carry out
The insulation of conductive casters meets the intensity requirement of big line footpath simultaneously.
Cooling water casing is welded using stainless-steel sheet, due to annealing line footpath it is big annealing distance temperature it is high so
Not only water tank is widened and increases lengthening, and is connected equipped with spiral coil cooling tube and with the plate type heat exchanger outside water tank in water tank bottom
The temperature of cooling water significantly makes copper cash have enough cool time and effects.
Fifth wheel is tested the speed using encoder, and velocity feedback makes copper cash elongation percentage during whole bracing wire by particular algorithm
Uniformly, and rise/stop stage speed tracing quick and precisely control annealing.
Annealing chamber possesses anti-oxidation steam blanketing apparatus using earthenware.Because annealing line footpath is thick, so conductive copper
The major diameter guide wheel that wheel and all guide wheels are deepened using ¢ 500mm races is so as to improve the bending radius of copper cash.Guide wheel material
It is durable using spheroidal graphite cast-iron surface abrasion resistance.Simultaneously in order to preferably carry out the insulation of conductive casters while the intensity for meeting big line footpath will
Ask cross-arm guide wheel and water tank back and forth wheel using ceramic bearing, not only good insulating but also intensity is wear-resisting greatly.
Described cross-arm directive wheel is arranged on above cross-arm 7, is led in the case where the conduction under entering after annealing pipe is wrapped, be described
Electricity bag 12 is arranged on the lower de- pin 11 of conductive bag, by water tank cooling device;Blown in tuyere by the copper core after cooling of annealing
Dried up in the presence of equipment for drying 16, the moisture occurred during cooling, carried out by the grade part of water-output flange 18
Discharge, connects through piping after equitemperature cooling and enters in whose casing 14 again, realizes recycling;Tested the speed by fifth wheel 17
Afterwards, whole annealing process is completed.Complete the copper core after annealing and enter take-up.
Described cross-arm directive wheel 6 is arranged on the top of control cabinet for power distribution 4, as shown in Figure 2.
The described first reciprocal reciprocal wheel 15 of wheel 13, second is arranged on water tank 14, and both no longer same straight lines
On.Length and time of the copper cash in water tank are increased, cooling effect is improved.As shown in Figure 3.
Described extraordinary electric power cable uses the non-carbonate conductive annealing way of direct current, guide wheel with the automatic annealing machine of huge copper core
Material is durable using spheroidal graphite cast-iron surface abrasion resistance.Simultaneously in order to preferably carry out the insulation of conductive casters while meeting the strong of big line footpath
Degree require cross-arm directive wheel 6 and water tank back and forth wheel 13,15 using ceramic bearing, not only good insulating but also intensity is wear-resisting greatly.
Cooling water tank is welded using stainless-steel sheet, because the big annealing distance temperature of annealing line footpath is high so not only water tank is widened
Increase lengthening, and be connected equipped with spiral coil cooling tube and with the plate type heat exchanger outside water tank cooling water significantly in water tank bottom
Temperature makes copper cash have enough cool time and effects.
A kind of JTH types special type electric power cable automatic annealing machine of huge copper core that the present invention is provided, annealing machine uses direct current
Non-carbonate conductive annealing way;Annealing chamber possesses anti-oxidation steam blanketing apparatus using earthenware;The cooling water tank of annealing machine
Be welded using stainless-steel sheet, due to annealing line footpath it is big annealing distance temperature it is high thus not only water tank widen increase plus
It is long, and make in be connected equipped with spiral coil cooling tube and with the plate type heat exchanger outside the water tank temperature of cooling water significantly of water tank bottom
Copper cash has enough cool time and effects.Up to 7.35mm-5.0mm, annealing speed realizes 20-40m/ to annealing wire range
Min, annealing distance is 5550mm, and anneal length of tube 1990mm, and the simple copper core surface light of annealing process is smooth, has filled up market
The extraordinary electric power cable blank of the automatic annealing machine of huge copper core.
Above case study on implementation is merely to illustrate the preferred embodiment of the present invention, but the present invention is not limited to above-mentioned embodiment party
Formula, in the ken that the field those of ordinary skill possesses, that is made within the spirit and principles in the present invention is any
Modification, equivalent substitute and improvement etc., are regarded as the protection domain of the application.
Claims (8)
1. a kind of extraordinary electric power cable automatic annealing machine of huge copper core, it is characterised in that:Including dolly, above dolly
Upper conductive bag, the cross-arm directive wheel being connected by copper core cable with upper conductive bag, the annealing chamber below cross-arm directive wheel, if
The water tank below annealing chamber is put, and is arranged on the lower conductive bag in water tank, lower conductive bag passes through copper core cable successively
The first reciprocal wheel and the second reciprocal wheel are connected with, the second reciprocal wheel top is provided with tuyere blow-dry device;Through overcooled second
Copper core cable on reciprocal wheel is by entering take-up after fifth wheel;Described automatic annealing machine include for power supply provide and
The control cabinet for power distribution being controlled.
2. a kind of extraordinary electric power cable automatic annealing machine of huge copper core according to claim 1, it is characterised in that:It is described
The lower section of dolly 1 be provided with wheel.
3. a kind of extraordinary electric power cable automatic annealing machine of huge copper core according to claim 1, it is characterised in that:It is described
Upper wire bag be arranged on wire bag stand-off, upper wire bag stand-off is arranged in frame;Described cross-arm directive wheel is arranged on
Above cross-arm, cross-arm is connected with the top of annealing chamber;The lower section of annealing chamber is connected with lower conductive bag;It is described installed in lower conduction
On bag stand-off.
4. a kind of extraordinary electric power cable automatic annealing machine of huge copper core according to claim 1, it is characterised in that:It is described
Control cabinet for power distribution rear connect and be arranged on the first copper bar in frame, the second copper bar and the 3rd copper bar;The first described bronze medal
Row, the second copper bar and the 3rd copper bar are sequentially connected.
5. a kind of extraordinary electric power cable automatic annealing machine of huge copper core according to claim 1, it is characterised in that:It is described
The outside of water tank be provided with cooling device and water-output flange.
6. a kind of extraordinary electric power cable automatic annealing machine of huge copper core according to claim 1, it is characterised in that:It is described
The first reciprocal wheel and the second reciprocal wheel case on water tank, and both are not arranged on the same straight line.
7. a kind of extraordinary electric power cable automatic annealing machine of huge copper core according to claim 1, it is characterised in that:It is described
Annealing chamber be annealing pipe, including body, the two ends of described body are fastened with porcelain head by nut;Set in described body
Hollow porcelain tube is equipped with, porcelain tube has glass wool cloth with body middle setting.
8. extraordinary electric power cable described in the annealing process of the automatic annealing machine of huge copper core, it is characterised in that:Using direct current without
The conductive annealing of carbon brush, copper core cable by it is upper it is conductive wrap, cross-arm is back and forth taken turns, annealing chamber, lower conduction bag, water tank, tuyere drying
The annealing completion of device, fifth wheel and cooling device enters take-up;Annealing chamber possesses anti-oxidation steam and protects using earthenware
Protection unit, intelligence control system arbitrarily adjusts annealing coefficient and the speed of service in operation;Control System Design has metering to shut down
Function, metering weight calculation function control device is calculated by detection speed signal, true reflection copper cash rice number, wire range of annealing
Up to 7.35mm-5.0mm, annealing speed 20-40m/min, annealing distance is 5550mm, and anneal length of tube 1990mm, lehr attendant
The simple copper core surface light of skill is smooth.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710306110.4A CN106929661A (en) | 2017-05-04 | 2017-05-04 | A kind of extraordinary electric power cable automatic annealing machine of huge copper core |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710306110.4A CN106929661A (en) | 2017-05-04 | 2017-05-04 | A kind of extraordinary electric power cable automatic annealing machine of huge copper core |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106929661A true CN106929661A (en) | 2017-07-07 |
Family
ID=59430600
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710306110.4A Pending CN106929661A (en) | 2017-05-04 | 2017-05-04 | A kind of extraordinary electric power cable automatic annealing machine of huge copper core |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106929661A (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2594274Y (en) * | 2002-11-07 | 2003-12-24 | 合肥华新电工有限公司 | Horizontal continuous annealed devices |
CN201376988Y (en) * | 2009-03-25 | 2010-01-06 | 芜湖楚江合金铜材有限公司 | Continuous annealing device for copper alloy flat wire |
CN201376190Y (en) * | 2009-03-25 | 2010-01-06 | 芜湖楚江合金铜材有限公司 | Copper alloy flat wire forming equipment |
CN202570779U (en) * | 2012-04-19 | 2012-12-05 | 佛山市广意永雄机械有限公司 | Continuous annealing double-end double-coiling drawbench |
CN204151387U (en) * | 2014-10-31 | 2015-02-11 | 山东菲达电力电缆有限公司 | Cable copper wire wire drawing and annealing device |
-
2017
- 2017-05-04 CN CN201710306110.4A patent/CN106929661A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2594274Y (en) * | 2002-11-07 | 2003-12-24 | 合肥华新电工有限公司 | Horizontal continuous annealed devices |
CN201376988Y (en) * | 2009-03-25 | 2010-01-06 | 芜湖楚江合金铜材有限公司 | Continuous annealing device for copper alloy flat wire |
CN201376190Y (en) * | 2009-03-25 | 2010-01-06 | 芜湖楚江合金铜材有限公司 | Copper alloy flat wire forming equipment |
CN202570779U (en) * | 2012-04-19 | 2012-12-05 | 佛山市广意永雄机械有限公司 | Continuous annealing double-end double-coiling drawbench |
CN204151387U (en) * | 2014-10-31 | 2015-02-11 | 山东菲达电力电缆有限公司 | Cable copper wire wire drawing and annealing device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103397170B (en) | Atmosphere protective high-frequency induction heating and continuous annealing method and device for tube stocks and wire rods | |
CN104328442B (en) | Production line and production technology of high-speed railway copper alloy shield cut-through ground wire annealing passivation | |
CN102382950B (en) | Conductive wheel electric heating device for cold-rolled ribbed steel bar production line | |
CN205974605U (en) | High -speed online copper pipe annealing equipment | |
CN103468923B (en) | Metal wire rod continuous annealing production line | |
CN203653659U (en) | Continuous annealing equipment for reducing occupation space | |
CN201473564U (en) | Electromagnetic induction heating device | |
CN106929661A (en) | A kind of extraordinary electric power cable automatic annealing machine of huge copper core | |
CN207655649U (en) | A kind of efficient copper wire annealing wire-drawing production line | |
CN112872085A (en) | Wire drawing method and device suitable for flat wires of various specifications | |
CN207828380U (en) | A kind of copper wire annealing device | |
CN101801125A (en) | Induction heater, induction heating treatment equipment and induction heating treatment method | |
CN201682647U (en) | Induction heater and induction heat treatment equipment | |
CN214991749U (en) | Online concentrated continuous annealing equipment of wire drawing machine | |
CN214391664U (en) | Superfine copper wire drawing device for cable | |
CN206747286U (en) | A kind of water tank type copper wire drawbench | |
CN203615695U (en) | Pretreatment online drying machine for metal wire drawing | |
CN202915665U (en) | Tire bead steel wire online drying device | |
CN112934991A (en) | Cable manufacturing method | |
CN201154981Y (en) | Annealing furnace heating apparatus | |
CN203305502U (en) | Electromagnetic heating extruder of PVC (Polyvinyl Chloride) pipes | |
CN203605661U (en) | Online solid ultrasonic frequency induction steel wire drying device | |
CN205140602U (en) | Extruder and conductor heating mechanism thereof | |
CN205763003U (en) | A kind of wire drawing machine with novel traction device | |
CN206432083U (en) | One kind is used to draw energy-conserving and environment-protective cable conductor single line mould |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170707 |
|
WD01 | Invention patent application deemed withdrawn after publication |