CN106908925A - A kind of beam tube full-automatic deployment device of excess fiber length - Google Patents
A kind of beam tube full-automatic deployment device of excess fiber length Download PDFInfo
- Publication number
- CN106908925A CN106908925A CN201710218644.1A CN201710218644A CN106908925A CN 106908925 A CN106908925 A CN 106908925A CN 201710218644 A CN201710218644 A CN 201710218644A CN 106908925 A CN106908925 A CN 106908925A
- Authority
- CN
- China
- Prior art keywords
- water tank
- beam tube
- cooling water
- fiber length
- excess fiber
- 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
- 239000000835 fiber Substances 0.000 title claims abstract description 25
- 239000000498 cooling water Substances 0.000 claims abstract description 34
- 238000001816 cooling Methods 0.000 claims abstract description 20
- 239000011148 porous material Substances 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000007710 freezing Methods 0.000 claims description 11
- 230000008014 freezing Effects 0.000 claims description 11
- 238000005086 pumping Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims 3
- 230000005494 condensation Effects 0.000 claims 1
- 238000009833 condensation Methods 0.000 claims 1
- 239000013307 optical fiber Substances 0.000 description 11
- 230000003287 optical effect Effects 0.000 description 5
- 230000008054 signal transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 102100020786 Adenylosuccinate synthetase isozyme 2 Human genes 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000002789 length control Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4479—Manufacturing methods of optical cables
Abstract
The invention discloses a kind of beam tube full-automatic deployment device of excess fiber length, including remaining intelligent controlling device main body long, it is characterised in that：Cooling water tank, support, storage tank, hauling machine and main control cabinet are provided with the remaining intelligent controlling device main body long；Rack upper surface is fixed in the cooling water tank bottom; ground is fixed in the support bottom; protection cap is provided with the cooling water tank and pore is crossed, the protection cap is connected by hinge with cooling water tank madial wall, the pore of crossing is installed on cooling water tank left and right sides wall centre position；The storage tank is installed on ground support gap location；The hauling machine is installed on behind support, is fixed on ground；The main control cabinet is installed on ground；The present invention uses result surface at the scene, and structure design is simple and reliable, and system control is accurate, and three-level cooling water tank cooling beam tube and hauling machine control beam tube cooling velocity matching are good, realize automatically controlling for excess fiber length, are adapted to promote the use.
Description
Technical field
The present invention relates to optical fiber cable manufacture correlative technology field, specially a kind of beam tube excess fiber length is automatically allocated
Device.
Background technology
Optical fiber bundle tubes are the chief components of the optical cables such as ADSS, fire-retardant cable, and remaining length of the optical fiber in beam tube can influence
Optical cable quality in itself and life-span, when remaining length is long, not only waste optical fiber, and winding optical fiber can occur with beam tube inwall it is straight
Friction is connect, increases optical signal transmission loss, reduce service life；When remaining length is too small, when there is micro-bend or stretching in optical cable, its
Inner fiber occurs that, by force phenomenon, the optical fiber of stress occurs that optical signal transmission distortion rate is too high, signal transmission is unstable and shows
As, optical fiber is damaged, reduce service life.Therefore, a kind of optical fiber bundle tubes excess length control device of design is needed badly.
The present invention devises a kind of full-automatic deployment device of beam tube excess fiber length, and beam tube is cooled down by three-level cooling water tank
The mode that beam tube cooling velocity is combined is controlled with hauling machine to realize the Based Intelligent Control of excess fiber length, and increase the service life.
The content of the invention
It is an object of the invention to provide a kind of beam tube full-automatic deployment device of excess fiber length, to realize excess fiber length
Based Intelligent Control, increases the service life.
To achieve the above object, the present invention provides following technical scheme：A kind of beam tube excess fiber length automatically allocates dress
Put, including remaining intelligent controlling device main body long, it is characterised in that：Temperature lowering water is provided with the remaining intelligent controlling device main body long
Groove, support, storage tank, hauling machine and main control cabinet；Rack upper surface, the support bottom are fixed in the cooling water tank bottom
Ground is fixed on, protection cap is provided with the cooling water tank and pore is crossed, the protection cap is by hinge and cooling water tank
Side wall is connected, and the pore of crossing is installed on cooling water tank left and right sides wall centre position；The storage tank is installed on ground support
Gap location；The hauling machine is installed on behind support, is fixed on ground；The main control cabinet is installed on ground.
Preferably, the cooling water tank is designed using three-level schema, and each level corresponds to a storage tank respectively, and three-level drops
The pore of crossing of warm water tank is in same horizontal line.
Preferably, backwater zone, cooling zone and inhalant region, the backwater are from left to right disposed with inside the storage tank
Area is connected by outlet pipe with corresponding cooling water tank bottom, and freezing machine, the freezing machine input are provided with the cooling zone
It is electrical connected with main control cabinet, the inhalant region is connected by four water inlet pipes with corresponding cooling water tank front.
Preferably, pumping motor is provided with the freezing machine, the pumping motor output end is connected with water inlet pipe.
Preferably, be provided with crawler belt, lower crawler belt, traction electric machine, translation motor in the hauling machine, the upper crawler belt and
Lower crawler belt is all made up of a crawler belt and two guide wheels, and crawler belt middle position is provided with beam tube and rolls preformed groove.
Preferably, the traction electric machine input is electrical connected with main control cabinet, the traction electric machine output end and lower shoe
Active guide wheel in band is connected；The translation motor input is electrical connected with main control cabinet, the translation motor output end with
Two connecting shafts of guide wheel are connected in lower crawler belt.
Preferably, the traction electric machine, translation motor all use 2500W brshless DC motors, correspondence drive circuit all to adopt
With three phase full bridge drive circuit and switch mosfet pipe.
Preferably, the main control cabinet is internally provided with a master control circuit board and three sub-control circuit plates, described
One master control circuit board and three CPU of sub-control circuit plate all use DSP28335 Master control chips, three sub-controls
Circuit board control port processed is electrical connected with master control circuit board respectively, the PWM port difference of three sub-control circuit plates
Drive circuit with freezing machine, traction electric machine, translation motor is electrical connected；The main control cabinet front is provided with LCDs
And master switch, the LCDs input is electrical connected with master control circuit board, the master switch and master control circuit board
Controlling switch is electrical connected.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention is using three-level cooling water tank cooling beam tube and leads
Draw machine to control the mode that beam tube cooling velocity is combined to realize the Based Intelligent Control of excess fiber length, and increase the service life.This hair
Bright to use result surface at the scene, structure design is simple and reliable, and system control is accurate, three-level cooling water tank cooling beam tube and traction
Machine control beam tube cooling velocity matching is good, realizes automatically controlling for excess fiber length, is adapted to promote the use.
Brief description of the drawings
Fig. 1 is a kind of full-automatic deployment device structural representation of beam tube excess fiber length of the invention；
Fig. 2 is electrical principle block diagram of the invention.
In figure：1st, remaining intelligent controlling device main body long；2nd, cooling water tank；3rd, protection cap；4th, pore is crossed；5th, water inlet pipe；6、
Outlet pipe；7th, storage tank；71st, backwater zone；72nd, cooling zone；73rd, inhalant region；8th, main control cabinet；9th, support；10th, hinge；11st, lead
Draw machine；12nd, upper crawler belt；13rd, lower crawler belt；14th, traction electric machine；15th, translation motor；16th, LCDs；17th, master switch；18、
Freezing machine；19th, master control circuit board；20th, sub-control circuit plate.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1-2 is referred to, the present invention provides a kind of technical scheme：A kind of beam tube full-automatic deployment device of excess fiber length,
Including remaining intelligent controlling device main body 1 long, it is characterised in that：Temperature lowering water is provided with the remaining intelligent controlling device main body 1 long
Groove 2, support 9, storage tank 7, hauling machine 11 and main control cabinet 8；The upper surface of support 9 is fixed in the bottom of the cooling water tank 2, described
Ground is fixed in the bottom of support 9, and protection cap 3 is provided with the cooling water tank 2 and pore 4 is crossed, and the protection cap 3 passes through hinge
10 are connected with the madial wall of cooling water tank 2, and the pore 4 of crossing is installed on the left and right sides wall centre position of cooling water tank 2；The water storage
Case 7 is installed on the gap location of ground support 9；The hauling machine 11 is installed on behind support 9, is fixed on ground；The main control cabinet 8
It is installed on ground.
Wherein, the cooling water tank 2 is designed using three-level schema, and each level corresponds to a storage tank 7 respectively, and three-level drops
The pore 4 of crossing of warm water tank 2 is in same horizontal line.
Wherein, backwater zone 71, cooling zone 72 and inhalant region 73, institute are from left to right disposed with inside the storage tank 7
State backwater zone 71 to be connected with the bottom of corresponding cooling water tank 2 by outlet pipe 6, freezing machine 18, institute are provided with the cooling zone 72
State the input of freezing machine 18 to be electrical connected with main control cabinet 8, the inhalant region 73 passes through four water inlet pipes 5 and corresponding cooling water tank
2 fronts are connected.
Wherein, pumping motor is provided with the freezing machine 18, the pumping motor output end is connected with water inlet pipe 5.
Wherein, crawler belt 12, lower crawler belt 13, traction electric machine 14, translation motor 15 are provided with the hauling machine 11, it is described
Upper crawler belt 12 and lower crawler belt 13 are all made up of a crawler belt and two guide wheels, and crawler belt middle position is provided with beam tube and rolls
Preformed groove.
Wherein, the input of the traction electric machine 14 is electrical connected with main control cabinet 8, and the output end of the traction electric machine 14 is with
Active guide wheel in crawler belt 13 is connected；The input of the translation motor 15 is electrical connected with main control cabinet 8, the translation motor 15
Output end is connected with the connecting shaft of two guide wheels in lower crawler belt 13.
Wherein, the traction electric machine 14, translation motor 15 all use 2500W brshless DC motors, and correspondence drive circuit is all
Using three phase full bridge drive circuit and switch mosfet pipe.
Wherein, the main control cabinet 8 is internally provided with a master control circuit board 19 and three sub-control circuit plates 20, institute
A master control circuit board 19 and three CPU of sub-control circuit plate 20 are stated all using DSP28335 Master control chips, described three
The individual control port of sub-control circuit plate 20 is electrical connected with master control circuit board 19 respectively, three sub-control circuit plates 20
Drive circuit of the PWM port respectively with freezing machine 18, traction electric machine 14, translation motor 15 is electrical connected；The main control cabinet 8 is just
Face is provided with LCDs 16 and master switch 17, the input of the LCDs 16 and the electrical phase of master control circuit board 19
Even, the master switch 17 is electrical connected with the controlling switch of master control circuit board 19.
Operation principle：The present invention cools down beam tube and the control beam tube cooling velocity phase of hauling machine 11 using three-level cooling water tank 2
With reference to mode realize the Based Intelligent Control of excess fiber length, and increase the service life.The band optical fiber bundle tubes for coming are extruded by drop
The cooling effect of warm water tank 2, beam tube can produce pull in effect, and optical fiber without retraction in itself, such that it is able to produce excess fiber length.
Using preceding, the beam tube that beam tube is placed between three-level cooling water tank 2 and upper crawler belt 12, lower crawler belt 13 need to be tested and roll preformed groove
In, and step up upper crawler belt 12, lower crawler belt 13；When using, remaining parameter long is set by LCDs 16, you can automatically adjust three
The different temperatures value of level cooling water tank 2, controls beam tube cooling rate, meanwhile, before traction electric machine 14 drives lower crawler belt 13 to start to do
Enter pulling motion, the controllable beam tube cooling velocity of the speed of hauling machine 11, so as to control length more than optical fiber bundle tubes.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding can carry out various changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention be defined by the appended.
Claims (8)
1. a kind of beam tube full-automatic deployment device of excess fiber length, including remaining intelligent controlling device main body (1) long, its feature exists
In：Cooling water tank (2), support (9), storage tank (7), hauling machine are provided with the remaining intelligent controlling device main body (1) long
And main control cabinet (8) (11)；Support (9) upper surface is fixed in cooling water tank (2) bottom, and support (9) bottom is fixed
In ground, protection cap (3) is provided with the cooling water tank (2) and pore (4) is crossed, the protection cap (3) is by hinge (10)
It is connected with cooling water tank (2) madial wall, the pore (4) of crossing is installed on cooling water tank (2) left and right sides wall centre position；It is described
Storage tank (7) is installed on ground support (9) gap location；The hauling machine (11) is installed on behind support (9), is fixed on ground；
The main control cabinet (8) is installed on ground.
2. a kind of beam tube according to claim 1 full-automatic deployment device of excess fiber length, it is characterised in that：The cooling
Tank (2) using three-level schema design, each level respectively correspond to a storage tank (7), and three-level cooling water tank (2) cross pore
(4) in same horizontal line.
3. a kind of beam tube according to claim 1 full-automatic deployment device of excess fiber length, it is characterised in that：The water storage
Backwater zone (71), cooling zone (72) and inhalant region (73) are from left to right disposed with inside case (7), the backwater zone (71) is led to
Cross outlet pipe (6) to be connected with corresponding cooling water tank (2) bottom, freezing machine (18) is provided with the cooling zone (72), it is described cold
Solidifying machine (18) input is electrical connected with main control cabinet (8), and the inhalant region (73) is by four water inlet pipes (5) and corresponding cooling
Tank (2) front is connected.
4. a kind of beam tube according to claim 3 full-automatic deployment device of excess fiber length, it is characterised in that：The condensation
Pumping motor is provided with machine (18), the pumping motor output end is connected with water inlet pipe (5).
5. a kind of beam tube according to claim 1 full-automatic deployment device of excess fiber length, it is characterised in that：The traction
Crawler belt (12), lower crawler belt (13), traction electric machine (14), translation motor (15), the upper crawler belt (12) are provided with machine (11)
All be made up of a crawler belt and two guide wheels with lower crawler belt (13), crawler belt middle position be provided with beam tube roll it is reserved
Groove.
6. a kind of beam tube according to claim 5 full-automatic deployment device of excess fiber length, it is characterised in that：The traction
Motor (14) input is electrical connected with main control cabinet (8), the master in traction electric machine (14) output end and lower crawler belt (13)
Dynamic guide wheel is connected；Translation motor (15) input is electrical connected with main control cabinet (8), translation motor (15) output end
Connecting shaft with two guide wheels in lower crawler belt (13) is connected.
7. a kind of beam tube according to claim 5 full-automatic deployment device of excess fiber length, it is characterised in that：The traction
Motor (14), translation motor (15) all use 2500W brshless DC motors, correspondence drive circuit all to drive electricity using three phase full bridge
Road and switch mosfet pipe.
8. a kind of beam tube according to claim 1 full-automatic deployment device of excess fiber length, it is characterised in that：The master control
Cabinet (8) processed is internally provided with a master control circuit board (19) and three sub-control circuit plates (20), one main control electricity
Road plate (19) and three CPU of sub-control circuit plate (20) all use DSP28335 Master control chips, three sub-control systems electricity
Road plate (20) control port is electrical connected with master control circuit board (19) respectively, the PWM of three sub-control circuit plates (20)
Drive circuit of the port respectively with freezing machine (18), traction electric machine (14), translation motor (15) is electrical connected；The main control cabinet
(8) front is provided with LCDs (16) and master switch (17), LCDs (16) input and main control circuit
Plate (19) is electrical connected, and the master switch (17) is electrical connected with master control circuit board (19) controlling switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710218644.1A CN106908925A (en) | 2017-04-05 | 2017-04-05 | A kind of beam tube full-automatic deployment device of excess fiber length |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710218644.1A CN106908925A (en) | 2017-04-05 | 2017-04-05 | A kind of beam tube full-automatic deployment device of excess fiber length |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106908925A true CN106908925A (en) | 2017-06-30 |
Family
ID=59194011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710218644.1A Pending CN106908925A (en) | 2017-04-05 | 2017-04-05 | A kind of beam tube full-automatic deployment device of excess fiber length |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106908925A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109435202A (en) * | 2018-12-03 | 2019-03-08 | 中天智能装备有限公司 | Two be locked pressure type traction dedicated unit |
| CN111736281A (en) * | 2020-06-19 | 2020-10-02 | 武汉理工大学 | Fiber grating array temperature measurement optical cable for solving problem of excess length and process |
| CN109435202B (en) * | 2018-12-03 | 2024-05-10 | 中天智能装备有限公司 | Two-set compression traction special device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002207146A (en) * | 2001-01-12 | 2002-07-26 | Sumitomo Electric Ind Ltd | Method of manufacturing self-supporting optical fiber cable |
| CN101954730A (en) * | 2009-07-16 | 2011-01-26 | 江苏通鼎光电股份有限公司 | High-speed optical fiber secondary coating production equipment |
| CN204076786U (en) * | 2014-08-15 | 2015-01-07 | 汕头高新区奥星光通信设备有限公司 | A kind of optical fiber loose tube process units |
| CN104483739A (en) * | 2014-12-25 | 2015-04-01 | 南京烽火藤仓光通信有限公司 | Method for producing thin wall type low-smoke zero-halogen dry loose tubes |
| CN206627673U (en) * | 2017-04-05 | 2017-11-10 | 安徽理工大学 | Long intelligent controlling device more than a kind of optical fiber bundle tubes |
-
2017
- 2017-04-05 CN CN201710218644.1A patent/CN106908925A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002207146A (en) * | 2001-01-12 | 2002-07-26 | Sumitomo Electric Ind Ltd | Method of manufacturing self-supporting optical fiber cable |
| CN101954730A (en) * | 2009-07-16 | 2011-01-26 | 江苏通鼎光电股份有限公司 | High-speed optical fiber secondary coating production equipment |
| CN204076786U (en) * | 2014-08-15 | 2015-01-07 | 汕头高新区奥星光通信设备有限公司 | A kind of optical fiber loose tube process units |
| CN104483739A (en) * | 2014-12-25 | 2015-04-01 | 南京烽火藤仓光通信有限公司 | Method for producing thin wall type low-smoke zero-halogen dry loose tubes |
| CN206627673U (en) * | 2017-04-05 | 2017-11-10 | 安徽理工大学 | Long intelligent controlling device more than a kind of optical fiber bundle tubes |
Non-Patent Citations (1)
| Title |
|---|
| 周杰等: "不锈钢束管光纤余长的控制", 《光纤与电缆及其应用技术》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109435202A (en) * | 2018-12-03 | 2019-03-08 | 中天智能装备有限公司 | Two be locked pressure type traction dedicated unit |
| CN109435202B (en) * | 2018-12-03 | 2024-05-10 | 中天智能装备有限公司 | Two-set compression traction special device |
| CN111736281A (en) * | 2020-06-19 | 2020-10-02 | 武汉理工大学 | Fiber grating array temperature measurement optical cable for solving problem of excess length and process |
| CN111736281B (en) * | 2020-06-19 | 2022-05-06 | 武汉理工大学 | Fiber grating array temperature measurement optical cable for solving problem of excess length and process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105000428A (en) | Equipment and technological method for expansion of fiber bundles | |
| CN106908925A (en) | A kind of beam tube full-automatic deployment device of excess fiber length | |
| CN107394682A (en) | A kind of high-rise residential building cable laying control system and method | |
| CN206627673U (en) | Long intelligent controlling device more than a kind of optical fiber bundle tubes | |
| CN205825647U (en) | A kind of yarn automatic drier | |
| CN106483616A (en) | Fiber reel is around wiring system and method | |
| CN205553122U (en) | A processing equipment for optical fiber cable | |
| CN105022132B (en) | Butterfly leading in cable and its production technology | |
| CN104760507B (en) | The integrated manipulator control system and method for double source trolleybus | |
| CN202809037U (en) | Twin type wire drafting and winding device | |
| CN107994446A (en) | Reducing cooling device for high-capacity optical fiber laser optical fiber | |
| CN206489910U (en) | A kind of production line for producing large-scale silica gel cable | |
| CN205270377U (en) | Rolling mill and transmission unit thereof | |
| CN205982767U (en) | Cream device on inflatable optical cable | |
| CN210193021U (en) | Quick wire drawing device for power distribution network cable | |
| CN208433245U (en) | A kind of weather-proof power cable integrated production equipment of high-strength rubber | |
| CN206378626U (en) | Fiber reel is around wiring system and network system | |
| CN217560313U (en) | Drying and dehumidifying system for optical fiber paying-off | |
| CN102877144B (en) | Twin type filament drawing coiler device | |
| CN105929514A (en) | Tension control system for optical cable laying | |
| CN206296316U (en) | A kind of drawbench of photovoltaic welding belt convergent belt special purpose copper bandlet | |
| CN206402557U (en) | A kind of FTTH construction server cabinet | |
| CN201695123U (en) | Energy-saving negative-pressure pipeline mechanism of compact spinning device | |
| CN205944843U (en) | Prepackage type transformer substation convenient to maintain | |
| CN206775047U (en) | A kind of fiber optic cables crane span structure |
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: 20170630 |
|
| WD01 | Invention patent application deemed withdrawn after publication |