CN106139765A - Cleaner unit - Google Patents
Cleaner unit Download PDFInfo
- Publication number
- CN106139765A CN106139765A CN201610693952.5A CN201610693952A CN106139765A CN 106139765 A CN106139765 A CN 106139765A CN 201610693952 A CN201610693952 A CN 201610693952A CN 106139765 A CN106139765 A CN 106139765A
- Authority
- CN
- China
- Prior art keywords
- box
- main box
- cleaner unit
- tip fastening
- dust
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
- B01D46/2414—End caps including additional functions or special forms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention provides a kind of cleaner unit, belong to technical field of operation.It solve existing cleaner unit to be not appropriate for applying the problem in the production process that the Dust Capacity such as wood engraving and milling and polishing is big.This cleaner unit includes main box, filter cylinder and blower fan it is provided with in main box, dust-exhausting port is had on the base plate of main box, three spikes at least it are fixed with on main box, the lower section of main box is provided with tip fastening box, being connected by the first demountable structure between tip fastening box and the base plate of main box, the inner chamber of tip fastening box is connected with dust-exhausting port.It is to arrange independent tip fastening box to provide installing space by arranging a spike;And then the volume of tip fastening box can be significantly increased, i.e. improve storage dust quantity and make this cleaner unit be suitably applied in the production process that Dust Capacity is big.Tip fastening box is positioned at the lower section of main box and main box uses a spike to support all conveniently to carry tip fastening box, i.e. solve tip fastening box weightening finish after increase storage capacity, the problem being difficult to carrying.
Description
Technical field
The invention belongs to technical field of operation, relate to a kind of segregation apparatus, particularly a kind of cleaner unit.
Background technology
Cleaner unit is the equipment that a kind of dust is separated from air-flow, be in the commercial production such as boiler, polishing more
Common industrial equipment.
Cleaner unit makes the air within cleaner unit be drawn out of by blower fan, and cleaner unit inside and outside creates pressure differential, with
The air-flow of dust, after suction nozzle and sweep-up pipe enter cleaner unit, filters through the filter element such as cartridge filter or cloth bag, filters
After cleaning gas through gas outlet discharge.
Pertinent literature about cleaner unit is more, such as a kind of cleaner unit (Authorization Notice No. of application before applicant
CN204193699U), the advantages such as it is high that this cleaner unit has efficiency of dust collection, filter cylinder easy accessibility;But there is also this some shortcomings, collection
Dirt drawer is less, thus this cleaner unit is not appropriate for applying in the production process that the Dust Capacity such as wood engraving and milling and polishing is big.
Summary of the invention
The present invention proposes a kind of cleaner unit, and the technical problem to be solved in the present invention is how to propose one to be suitably applied in
Cleaner unit in the big production process of Dust Capacity.
Solving the technical problem that of the present invention can be realized by following technical proposal:
This cleaner unit includes main box, is provided with filter cylinder and blower fan in main box, and the base plate of main box has dust-exhausting port, main
At least being fixed with three spikes on casing, the lower section of main box is provided with tip fastening box, logical between tip fastening box and the base plate of main box
Crossing the first demountable structure to be connected, the inner chamber of tip fastening box is connected with dust-exhausting port.
It is to arrange independent tip fastening box to provide installing space by arranging a spike;And then tip fastening box can be significantly increased
Volume, i.e. improve storage dust quantity make this cleaner unit be suitably applied in the production process that Dust Capacity is big.Tip fastening box is positioned at main box
Lower section and main box use spike to support all conveniently to carry tip fastening box, after i.e. solving increase storage capacity, tip fastening box increases
Weight, the problem being difficult to carrying.
In above-mentioned cleaner unit, described first demountable structure is by many groups between tip fastening box and the base plate of main box
First bolt and nut is connected, or is connected by the quick pulling buckle of many groups between tip fastening box and the base plate of main box.
In above-mentioned cleaner unit, described main box is provided with in sealing at the dust-exhausting port on base plate and compresses ring, tip fastening box
Port be provided with under sealing and compress ring, tip fastening box is in main box and compresses ring under sealing when being connected and compress ring phase on sealing
Against.This structure is effectively improved contact area between main box and tip fastening box, and then has both improved connectivity robustness, can improve again
Connection sealing between the two.
In above-mentioned cleaner unit, the bottom surface of described tip fastening box is fixedly connected with multiple castor;Thus further facilitate
Tip fastening box moves, and is i.e. easy to the dust that transfer is collected.
In above-mentioned cleaner unit, the port of described tip fastening box is provided with gland and tapered bag on tapered bag mouth
Gland under mouthful;Under bag mouth, gland is fixing with tip fastening box is connected.Sack and bag mouth are set in dedusting cylinder by gland on bag mouth and bag
Under mouthful, gland is fixed, and the dust guide effect of gland on bag mouth therefore fallen from dust-exhausting port falls in sack, enters
The dust that the convenient transfer of one step and process are collected.
In above-mentioned cleaner unit, described spike includes movable supporting portion and the fixed support portion being connected with main box;
It is connected by the second demountable structure between movable supporting portion and fixed support portion.Cleaner unit transports, especially by too high being unfavorable for
It it is outlet transport;The height making cleaner unit after shedding movable supporting portion does not exceed the height of TEU (Twenty-foot Equivalent Unit), after being transported to destination
It is connected fixing with fixed support portion for movable supporting portion again;It follows that this structure has be readily transported with easy accessibility excellent
Point.Second demountable structure includes the plug being positioned in movable supporting portion and the jack being positioned on fixed support portion;Plug inserts
In jack, fixed support portion wears one group of second bolt and nut also extending through plug.The bottom surface of fixed support portion and main box
Bottom surface flush;After ensureing dumping event supporting part, cleaner unit height is less than the height of TEU (Twenty-foot Equivalent Unit);Utilize fixing simultaneously
Support part protects main box effectively, it is to avoid the base plate compressive deformation of main box.
In above-mentioned cleaner unit, the lower section of described filter cylinder is provided with cross bar, and the bottom surface of filter cylinder is fixed with positioning sleeve, cross bar
The most threaded have push rod, and the lower end of push rod has the portion of putting forth effort.Can be by filter cylinder and the dividing plate phase in main box by screwing push rod
Against and realize fixing filter cylinder, and also filter cylinder can be unloaded by screwing push rod.With in prior art for fixing filter cylinder
Bolt is compared, and the position of push rod is greatly reduced, and then is easy to screw push rod, has the handling convenient advantage of filter cylinder.
In above-mentioned cleaner unit, the lateral surface of described main box is fixed with an auxiliary box body, the inner chamber top of auxiliary box body
Portion and the intracavity inter-connection of main box;Be fixed with on auxiliary box body and be connected in the middle part of inner chamber air intake adapter and with auxiliary box body inner chamber
The chip removal control valve that bottom is connected.Chip removal control valve can be butterfly valve or gate valve, and this chip removal control valve can use manually
Or electric and pneumatic manipulation.
In above-mentioned cleaner unit, it is provided with grid at the inner chamber of described auxiliary box body and the inner space of main box, it is to avoid relatively
Bigger material enters in main box, effectively protects filter cylinder.
Compared with prior art, this cleaner unit can be loaded in TEU (Twenty-foot Equivalent Unit) or Cargo Lift by fractionation, and then has transport
Advantage easily, is especially suitable for carrying in outlet transport and Factory Building, has widened marketing channel.This cleaner unit the most also has group
Fill convenient advantage.
The odd-side physical ability of this cleaner unit filters out big dust particle and can pass through to discharge in chip removal control valve;Tip fastening box has
Amount of storage is big, the advantage of easy accessibility between tip fastening box and main box, thus this cleaner unit is suitably applied in carpenter's polishing process
In.
This cleaner unit also has filter cylinder easy accessibility, the dust transfer of collection and processes the advantages such as convenient.
This cleaner unit is compared with prior art equivalent to upper cover and is connected as a single entity with main casing, it is to avoid fixed cover structure is multiple
Miscellaneous, the problems such as loaded down with trivial details are installed.
Accompanying drawing explanation
Fig. 1 is the perspective view of this cleaner unit.
Fig. 2 is the sectional structure schematic diagram of this cleaner unit.
In figure, 1, main box;1a, dedusting chamber;1b, assembling chamber;1c, dust-exhausting port;2, auxiliary box body;3, filter cylinder;3a, fixed
Position set;4, blower fan;5, tip fastening box;6, spike is propped up;6a, movable supporting portion;6b, fixed support portion;6c, plug;6d, jack;6e、
Second bolt and nut;7, dividing plate;8, cross bar;9, push rod;9a, put forth effort portion;10, quick pulling buckle;11, ring is compressed in sealing;12, close
Ring is compressed under envelope;13, castor;14, gland on bag mouth;15, gland under bag mouth;16, grid;17, air intake adapter;18, chip removal control
Valve processed;19, sack;20, anti-blowpipe;21, compressed air storage tank.
Detailed description of the invention
The following is the specific embodiment of the present invention and combine accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
As depicted in figs. 1 and 2, this cleaner unit includes main box 1, auxiliary box body 2, filter cylinder 3, blower fan 4, tip fastening box 5 and supports
Foot 6.
Main box 1, substantially in rectangular-shaped, be fixed with a horizontally disposed dividing plate 7, dividing plate 7 has row in main box 1
Air holes;The inner chamber of main box 1 is divided into dedusting chamber 1a and assembling chamber 1b by dividing plate 7.Dust discharge is had on the base plate of main box 1
Mouth 1c, in order to avoid dust accumulation is in main box 1, base plate is tapered, and the dust meeting nature being i.e. deposited on base plate is to downslide
Fall, and then discharge from dust-exhausting port 1c.Blower fan 4 is fixed in the assembling chamber 1b of main box 1.
Filter cylinder 3 is arranged in the 1a of dedusting chamber, and it is four that Figure of description provides the quantity of filter cylinder 3, the inner chamber of four filter cylinders 3
It is connected correspondingly with four vents.Specifically, the end face of filter cylinder 3 is pasted with sealing gasket, on the bottom surface of filter cylinder 3
It is fixed with positioning sleeve 3a;The lower section of filter cylinder 3 is provided with two cross bars 8, and cross bar 8 is connected with main box 1, and on cross bar 8, screw thread is even
Be connected to four push rods 9, four push rods 9 and four filter cylinder 3 one_to_one corresponding arrange, i.e. push rod 9 penetrates positioning sleeve 3a, by screwing top
Bar 9 makes filter cylinder 3 and dividing plate 7 lean and realizes fixing filter cylinder 3.Screwing push rod 9 for convenience, the lower end of push rod 9 has puts forth effort
Portion 9a, Figure of description provides the portion 9a of putting forth effort and is one and puts forth effort hole, i.e. puts forth effort rod and penetrates and put forth effort hole and just can easily rotate push rod
9。
Being provided with four anti-blowpipes 20 arranged correspondingly with four vents in main box 1, main box 1 extenal fixation has
Compressed air storage tank 21, anti-blowpipe 20 is all connected with compressed air storage tank 21.
Spike 6 is fixed with main box 1 and is connected, and is used for supporting main box 1.Figure of description provides the quantity of a spike 6
It it is four;Prop up spike 6 and can be split as more piece.Prop up spike 6 and include movable supporting portion 6a and the fixing support being connected with main box 1
Portion 6b;There is on movable supporting portion 6a plug 6c, fixed support portion 6b has jack 6d;Plug 6c inserts in jack 6d, Gu
Determine on supporting part 6b, to wear one group of second bolt and nut 6e also extending through plug 6c.The bottom surface of fixed support portion 6b and main box 1
Bottom surface flush.Fixed support portion 6b and movable supporting portion 6a all uses square tube to make.During fractionation, first unload the second bolt and nut
6e, then extract movable supporting portion 6a, a spike 6 for this structure can be split as two joints.During assembling, first fall main box 1, then inserted
Enter movable supporting portion 6a and load the second bolt and nut 6e.
Tip fastening box 5 is arranged on the lower section of main box 1, detachably ties by first between the base plate of tip fastening box 5 and main box 1
Structure is connected, and Figure of description is given and is connected by the quick pulling buckle 10 of many groups between tip fastening box 5 with the base plate of main box 1;Root
According to practical situation, also can be connected by many groups the first bolt and nut between tip fastening box 5 and the base plate of main box 1.Tip fastening box 5 with
After the base plate of main box 1 is connected, the end face of tip fastening box 5 leans with the base plate of main box 1, the inner chamber of tip fastening box 5 and dust-exhausting port
1c is connected.In order to improve sealing and tip fastening box 5 connectivity robustness between the base plate of tip fastening box 5 and main box 1, at base plate
Dust-exhausting port 1c at be provided with in sealing and compress ring 11, under the port of tip fastening box 5 be provided with sealing, compress ring 12, support under i.e. sealing
Pressure ring 12 can compress ring 11 and leans on sealing.
Multiple castor 13 it is fixedly connected with on the bottom surface of tip fastening box 5.The port of tip fastening box 5 is additionally provided with tapered bag mouth
Gland 15 under upper gland 14 and tapered bag mouth, under bag mouth, gland 15 compresses that ring 12 is fixing to be connected under sealing, and description is attached
Figure compresses ring 12 under providing under bag mouth gland 15 and sealing and is connected as a single entity.Sack 19 is placed in tip fastening box 5, and bag mouth edge is pressed in
On bag mouth under gland 14 and bag mouth between gland 15, between tip fastening box 5 and the base plate of main box 1 fixing is connected after, pressure on bag mouth
Set 14 is extruded by main box 1 base plate, and then a step improves the compacted firmness in sack 19 bag mouth edge.
Auxiliary box body 2 is fixed on the lateral surface of main box 1, the dedusting chamber 1a phase of the inner cavity top of auxiliary box body 2 and main box 1
Connection;In order to avoid relatively bigger material enters in main box 1, at the inner chamber of auxiliary box body 2 with the inner space of main box 1, it is provided with lattice
Net 16.The air intake adapter 17 being fixed with on auxiliary box body 2 and be connected in the middle part of inner chamber and the row being connected with auxiliary box body 2 intracavity bottom
Bits control valve 18.2 Effect of Pretreatments of auxiliary box body, the dust under pretreatment sedimentation is temporarily deposited in the bottom of auxiliary box body 2, people
Can periodically open chip removal control valve 18, make dust naturally drain.
Claims (10)
1. a cleaner unit, including main box (1), is provided with filter cylinder (3) and blower fan (4), it is characterised in that institute in main box (1)
Stating main box (1) and have base plate, the base plate of main box (1) has dust-exhausting port (1c), main box is at least fixed with three on (1)
Propping up spike (6), the lower section of main box (1) is provided with tip fastening box (5), by first between the base plate of tip fastening box (5) and main box (1)
Demountable structure is connected, and the inner chamber of tip fastening box (5) is connected with dust-exhausting port (1c).
Cleaner unit the most according to claim 1, it is characterised in that described first demountable structure is that tip fastening box (5) is with main
It is connected by many groups the first bolt and nut between the base plate of casing (1), or between the base plate of tip fastening box (5) and main box (1)
It is connected by quick pulling buckles (10) of organizing more.
Cleaner unit the most according to claim 1, it is characterised in that be fixedly connected with many on the bottom surface of described tip fastening box (5)
Individual castor (13).
Cleaner unit the most according to claim 1, it is characterised in that the dust-exhausting port (1c) on base plate in described main box (1)
Place is provided with in sealing and compresses ring (11), and the port of described tip fastening box (5) is provided with under sealing and compresses ring (12), tip fastening box (5) with
Compress ring (11) on compressing ring (12) under sealing when main box (1) is in connected and sealing to lean.
Cleaner unit the most according to claim 1, it is characterised in that the port of described tip fastening box (5) is provided with tapered
Gland (15) under gland (14) and tapered bag mouth on bag mouth;Under bag mouth, gland (15) is fixing with tip fastening box (5) is connected.
Cleaner unit the most as claimed in any of claims 1 to 5, it is characterised in that described spike (6) includes activity
Supporting part (6a) and the fixed support portion (6b) being connected with main box (1);Movable supporting portion (6a) and fixed support portion (6b) it
Between be connected by the second demountable structure.
Cleaner unit the most according to claim 6, it is characterised in that the bottom surface of described fixed support portion (6b) and main box
(1) bottom surface flushes.
Cleaner unit the most as claimed in any of claims 1 to 5, it is characterised in that the lower section of described filter cylinder (3) is provided with
Cross bar (8), the bottom surface of filter cylinder (3) is fixed with positioning sleeve (3a), and cross bar (8) is the most threaded push rod (9), and push rod (9) is worn
Enter in positioning sleeve (3a).
Cleaner unit the most as claimed in any of claims 1 to 5, it is characterised in that the lateral surface of described main box (1)
On be fixed with an auxiliary box body (2), the intracavity inter-connection of the inner cavity top of auxiliary box body (2) and main box (1);On auxiliary box body (2)
Air intake adapter (17) being fixed with and be connected in the middle part of inner chamber and the chip removal control valve being connected with auxiliary box body (2) intracavity bottom
(18)。
Cleaner unit the most according to claim 9, it is characterised in that the inner chamber of described auxiliary box body (2) and main box (1)
Grid (16) it is provided with at inner space.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610693952.5A CN106139765A (en) | 2016-08-19 | 2016-08-19 | Cleaner unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610693952.5A CN106139765A (en) | 2016-08-19 | 2016-08-19 | Cleaner unit |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106139765A true CN106139765A (en) | 2016-11-23 |
Family
ID=57342088
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610693952.5A Pending CN106139765A (en) | 2016-08-19 | 2016-08-19 | Cleaner unit |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106139765A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109124475A (en) * | 2017-06-28 | 2019-01-04 | 苏州宝时得电动工具有限公司 | Dust catcher combination, push-down dust catcher |
CN109501028A (en) * | 2018-10-17 | 2019-03-22 | 湖北宇创通电子科技有限公司 | One kind is based on mobile phone display screen processing display screen multistation refining glue frame |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1197736B (en) * | 1955-12-01 | 1965-07-29 | Waldemar Harnisch | Dust separator for air and gases, especially for pressurized gas lines, with hanging stiff filter candles and knocking device |
CN204193699U (en) * | 2014-09-10 | 2015-03-11 | 陈美青 | A kind of structure improved deduster |
CN105289151A (en) * | 2015-11-26 | 2016-02-03 | 陈美青 | Dust collector |
-
2016
- 2016-08-19 CN CN201610693952.5A patent/CN106139765A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1197736B (en) * | 1955-12-01 | 1965-07-29 | Waldemar Harnisch | Dust separator for air and gases, especially for pressurized gas lines, with hanging stiff filter candles and knocking device |
CN204193699U (en) * | 2014-09-10 | 2015-03-11 | 陈美青 | A kind of structure improved deduster |
CN105289151A (en) * | 2015-11-26 | 2016-02-03 | 陈美青 | Dust collector |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109124475A (en) * | 2017-06-28 | 2019-01-04 | 苏州宝时得电动工具有限公司 | Dust catcher combination, push-down dust catcher |
CN109124475B (en) * | 2017-06-28 | 2024-04-09 | 苏州宝时得电动工具有限公司 | Dust collector combination and push rod type dust collector |
CN109501028A (en) * | 2018-10-17 | 2019-03-22 | 湖北宇创通电子科技有限公司 | One kind is based on mobile phone display screen processing display screen multistation refining glue frame |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106139765A (en) | Cleaner unit | |
CN105289151B (en) | Deduster | |
CN205127603U (en) | Dust remover | |
CN107281833A (en) | One kind is detachably connected formula dust arrester | |
CN209375071U (en) | A kind of cable clip being easily installed | |
CN207310602U (en) | A kind of modified waste material compression box | |
CN104146658B (en) | Floor brush | |
CN208103365U (en) | A kind of vacuum feeder | |
CN209491131U (en) | A kind of deashing device for motor housing | |
CN209317871U (en) | A kind of tourist attraction garden management pulverizer | |
CN207786154U (en) | It is a kind of can continuous work and convenience in transport deduster | |
CN209334213U (en) | A kind of powder collecting device | |
CN207811038U (en) | Ceramic tile cupula device | |
CN108905390A (en) | A kind of dust pelletizing system being provided with support leg | |
CN209247470U (en) | Pedotheque grinding screening bottling integrated equipment | |
CN203170152U (en) | Pulse filter cartridge type dust remover | |
CN206424700U (en) | A kind of novel bag-type duster | |
CN211030857U (en) | Feeding structure for plastic production | |
CN210575354U (en) | Convenient clear inductor | |
CN105508091B (en) | A kind of agro-farming diesel engine air-breathing filter | |
CN107963543A (en) | Ceramic tile cupula device | |
CN206483254U (en) | A kind of pulse cloth dust filter | |
CN207195144U (en) | A kind of gas handling system of air compressor machine | |
CN214809510U (en) | Electric-bag composite dust collector | |
CN210973065U (en) | Grain collection device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161123 |
|
WD01 | Invention patent application deemed withdrawn after publication |