CN110153819A - A kind of building sheet processing equipment based on ball-shaped absorption principle - Google Patents
A kind of building sheet processing equipment based on ball-shaped absorption principle Download PDFInfo
- Publication number
- CN110153819A CN110153819A CN201810105948.1A CN201810105948A CN110153819A CN 110153819 A CN110153819 A CN 110153819A CN 201810105948 A CN201810105948 A CN 201810105948A CN 110153819 A CN110153819 A CN 110153819A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- ball
- dust
- polishing
- downside
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/10—Single-purpose machines or devices
Abstract
A kind of building sheet processing equipment based on ball-shaped absorption principle, including bottom plate, bottom plate both ends are symmetrically fixedly connected with hydraulic column, the top of two hydraulic columns is fixedly connected with strip support plate jointly, the groove of opening down setting is offered on the downside of strip support plate, movable block is provided in groove, horizontal screw thread through-hole is offered on movable block, horizontal screw thread through-hole internal screw thread is connected with threaded rod, threaded rod both ends and strip support plate are rotatablely connected, and the right end of threaded rod is fixedly connected with first motor output shaft;Grinding device is fixedly connected with by connecting column on the downside of the movable block, is fixedly connected with dust exhaust apparatus on the left of the grinding device, the dust exhaust apparatus includes dust hood.The beneficial effects of the invention are as follows the second motors to drive crank rotation, and crankshaft drives rotational sleeve to be rotated about axis, so that vertical connecting rod or so be driven to move back and forth by rotating bar and attachment device, effectively increases detail sanding effect.
Description
Technical field
The present invention relates to technical field of buildings, and in particular to a kind of building sheet processing based on ball-shaped absorption principle
Equipment.
Background technique
Building is the general name of building and structures, is people to meet social life needs, utilizes grasped object
Matter technological means, and the artificial environment created with certain scientific law, geomantic omen theory and aesthetic principle.The object of building is big
It was built to the correlation before the Environment Design for including regional planning, urban planning, landscape design etc. synthesis is constructed, community is formed
Journey, the small production to indoor furniture, small articles etc..And its common object is the unit in certain place.
In architecture and the scope of civil engineering, " building ", which refers to the process of, builds building or development capital construction.Generally
For, each construction project can be responsible for pool by project Manager and architect, by contractor at different levels, divide and sentence quotient, engineering Gu
It asks, builder, Quantity Surveyor, the professionals (professional person) such as structural engineer are responsible for supervision.
In building construction process, it often may require that some steel plates, steel plate is as support carrier using more.In order to obtain
More preferably usage experience is obtained, can generally be polished on the surface of steel plate, current polishing is usually that man-hour manually hand-held is relied on to polish
Machine polishes to surface of steel plate, larger workload, and is also possible to cause danger in polishing;In addition, in polishing
More dust can be generated, the health of polishing personnel is influenced.
Summary of the invention
The purpose of the present invention is to provide a kind of building sheet processing equipments based on ball-shaped absorption principle, to solve
The problems mentioned above in the background art.
To achieve the above object, the invention provides the following technical scheme:
A kind of building sheet processing equipment based on ball-shaped absorption principle, including bottom plate, bottom plate both ends are symmetrically fixedly connected
There is hydraulic column, the top of two hydraulic columns is fixedly connected with strip support plate jointly, offers out on the downside of strip support plate
The groove of mouth down setting, is provided with movable block in groove, offers horizontal screw thread through-hole on movable block, in horizontal screw thread through-hole
It is threaded with threaded rod, threaded rod both ends and strip support plate are rotatablely connected, and the right end of threaded rod and first motor are defeated
Shaft is fixedly connected;Grinding device is fixedly connected with by connecting column on the downside of the movable block, is fixed on the left of the grinding device
It is connected with dust exhaust apparatus, the dust exhaust apparatus includes dust hood, and dust hood is by connecting tube and is fixed at a grinding device left side
Fixed plate on side wall is connected, and dust assembling supporting member is provided in the fixed plate, and the top of connecting tube and dust collect shell
Internal portion is connected, and the dust assembling supporting member inner top is fixedly connected with several ball shells, setting on the upside of ball shell
Have strainer, offer through-hole on the dust assembling supporting member on the upside of the ball shell, through-hole be located on the upside of dust assembling supporting member
Horizontal tube be connected, the horizontal tube is connected by hose with negative-pressure air fan.
Be as a further solution of the present invention: the section of the movable block and groove is in convex shape, movable block with it is recessed
Slot matches.
As the present invention, further scheme is: the grinding device includes polishing shell, polish shell and connecting column
Bottom end is fixedly connected, and polishing shell inner top offers shifting chute, offers limit through slot on the polishing shell on the downside of shifting chute,
Setting is fixedly connected there are three moving ball by horizontal brace rod between moving ball in shifting chute, solid on the downside of the moving ball
Surely it is connected with vertical connecting rod, three vertical connecting rods are more than the mobile through slot setting opened up on the downside of polishing shell, and three perpendicular
Straight connecting rods bottom end is fixedly connected with mounting plate jointly, and polishing motor is fixedly connected on the downside of mounting plate, motor output shaft of polishing
On be fixedly connected with polishing pad, several polishing protrusions are fixedly connected on the downside of polishing pad;Lead on the vertical connecting column of left side
It crosses attachment device and is connected with crankshaft, crankshaft two end is connect with polishing housing into rotation, and crankshaft top and the second motor output shaft are solid
Fixed connection, the crankshaft middle are arranged with rotational sleeve, and rotational sleeve is connected by connecting rod with attachment device.
As the present invention, further scheme is: the section of the shifting chute is rounded.
As the present invention, further scheme is: the polishing protrusion is in triangular pyramid.
As the present invention, further scheme is: the attachment device includes link block, is offered on link block U-shaped logical
The right end of slot, rotating bar is located in U-shaped through slot, and rotating bar and link block are rotatablely connected by rotating pin.
As the present invention, further scheme is: bottom is fixedly connected with water conservancy diversion ramp in the dust assembling supporting member.
As the present invention, further scheme is: being provided with discharging channel on the dust assembling supporting member left side wall, arranges
Material is provided with valve on channel.
The beneficial effects of the invention are as follows the second motors to drive crank rotation, and crankshaft drives rotational sleeve to be rotated about axis, from
And drive vertical connecting rod by rotating bar and attachment device or so and move back and forth, effectively increase detail sanding effect;It is negative
Dust is introduced into inside dust assembling supporting member by pressure fan by connecting tube, and dust is intercepted at dust under strainer effect and collects
Enclosure interior enables dust to be collected, and effectively reduces the healthy hidden danger to operator.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the sectional view along A-A in Fig. 1 of the present invention;
Fig. 3 is the structural schematic diagram of grinding device of the present invention;
Fig. 4 is the structural schematic diagram of attachment device of the present invention;
Fig. 5 is the schematic enlarged-scale view of dust assembling supporting member of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-Fig. 5 is please referred to, in embodiments of the present invention, a kind of building sheet processing based on ball-shaped absorption principle
Equipment, including bottom plate 1,1 both ends of bottom plate are symmetrically fixedly connected with hydraulic column 2, and the top of two hydraulic columns 2 is fixedly connected with jointly
Strip support plate 3 offers the groove 5 of opening down setting on the downside of strip support plate 3, is provided with movable block 6 in recessed 5,
Horizontal screw thread through-hole 7 is offered on movable block 6,7 internal screw thread of horizontal screw thread through-hole is connected with threaded rod 8,8 both ends of threaded rod and length
Slat supporting plates 3 are rotatablely connected, and the right end of threaded rod 8 is fixedly connected with 9 output shaft of first motor;6 downside of movable block
It is fixedly connected with grinding device 11 by connecting column 10, at work, starts first motor 9, first motor 9 drives threaded rod 8
Rotation, the movable block 6 matched with threaded rod 8 moves left and right, so as to drive grinding device 11 to be moved to next position
Carry out grinding process;
The grinding device 11 includes polishing shell 111, and polishing shell 111 is fixedly connected with 10 bottom end of connecting column, shell of polishing
111 inner tops offer shifting chute 112, offer limit through slot 113, shifting chute on the polishing shell 111 of 112 downside of shifting chute
Setting is fixedly connected, the moving ball 114 there are three moving ball 114 by horizontal brace rod 115 between moving ball 114 in 112
Downside is fixedly connected to vertical connecting rod 116, and three vertical connecting rods 116 are more than the shifting opened up on the downside of polishing shell 111
Dynamic through slot 117 is arranged, and three 116 bottom ends of vertical connecting rod are fixedly connected with mounting plate 118 jointly, fixes on the downside of mounting plate 118
It is connected with polishing motor 119, polishing pad 1111 is fixedly connected on 119 output shaft of motor of polishing, is fixed on the downside of polishing pad 1111
It is connected with several polishing protrusions 1112;Crankshaft is connected with by attachment device 1113 on the vertical connecting column 116 of left side
1110,1110 both ends of crankshaft and polishing shell 111 are rotatablely connected, and 1110 top of crankshaft is fixed with 1116 output shaft of the second motor
Connection, 1110 middle of crankshaft are arranged with rotational sleeve 1115, and rotational sleeve 1115 is filled by connecting rod 1114 with connecting
It sets 1113 to be connected, when grinding device 11 is in a fixed position, has grinding effect to further improve, start
Second motor 1116, the second motor 1116 are rotated with dynamic crankshaft 1113, and crankshaft 1113 drives rotational sleeve 1115 to be rotated about axis,
To drive vertical connecting rod 116 or so to move back and forth by rotating bar 1114 and attachment device 1113, office is effectively increased
Portion's grinding effect;
The attachment device 1113 includes link block 11131, offers U-shaped through slot 11132, rotating bar on link block 11131
1114 right end is located in U-shaped through slot 11132, and rotating bar 1114 and link block 11131 are connected by the rotation of rotating pin 11133
It connects.
The section of the movable block 6 and groove 5 is in convex shape, and movable block 6 is matched with groove 5.
The section of the shifting chute 112 is rounded.
The polishing protrusion 1112 is in triangular pyramid.
Dust exhaust apparatus is also connected on the left of the grinding device 11, the dust exhaust apparatus includes dust hood 13, dust hood 13
It is connected by connecting tube 12 with the fixed plate 14 being fixed on 11 left side wall of grinding device, is arranged in the fixed plate 14
There is dust assembling supporting member 401, is connected inside the top of connecting tube 12 and dust assembling supporting member 401, the dust assembling supporting member
401 inner tops are fixedly connected with several ball shells 402, and strainer 403, the spherical shell are provided on the upside of ball shell 402
Offer through-hole 404 on the dust assembling supporting member 401 of the upside of body 402, through-hole 404 be located at 401 upside of dust assembling supporting member
Horizontal tube 405 is connected, and the horizontal tube 405 is connected by hose 15 with negative-pressure air fan 16, when carrying out polishing work, is
Reduction Dust Capacity, starts negative-pressure air fan 16, and dust is introduced dust assembling supporting member 401 by connecting tube 12 by negative-pressure air fan 16
Inside, dust are intercepted inside dust assembling supporting member 401 under the effect of strainer 403, and dust is collected, is effectively dropped
The low healthy hidden danger to operator.
Bottom is fixedly connected with water conservancy diversion ramp 406 in the dust assembling supporting member 401.
It is provided with discharging channel 407 on 401 left side wall of dust assembling supporting member, is provided with valve on discharging channel 407
408。
The working principle of the invention is: at work, start first motor 9, first motor 9 drives threaded rod 8 to rotate, with
The movable block 6 that threaded rod 8 matches moves left and right, and polishes so as to drive grinding device 11 to be moved to next position
Processing;When grinding device 11 is in a fixed position, have grinding effect to further improve, starts the second motor
1116, the second motor 1116 is rotated with dynamic crankshaft 1113, and crankshaft 1113 drives rotational sleeve 1115 to be rotated about axis, to pass through
Rotating bar 1114 and attachment device 1113 drive vertical connecting rod 116 or so to move back and forth, and effectively increase detail sanding effect
Fruit;
When carrying out polishing work, in order to reduce Dust Capacity, start negative-pressure air fan 16, dust is passed through connecting tube by negative-pressure air fan 16
12 are introduced into inside dust assembling supporting member 401, and dust is intercepted inside dust assembling supporting member 401 under the effect of strainer 403, make
Obtaining dust can be collected, and effectively reduce the healthy hidden danger to operator.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (8)
1. a kind of building sheet processing equipment based on ball-shaped absorption principle, including bottom plate, bottom plate both ends are symmetrically fixed to be connected
It is connected to hydraulic column, the top of two hydraulic columns is fixedly connected with strip support plate jointly, offers on the downside of strip support plate
The groove of opening down setting is provided with movable block in groove, horizontal screw thread through-hole, horizontal screw thread through-hole is offered on movable block
Internal screw thread is connected with threaded rod, and threaded rod both ends and strip support plate are rotatablely connected, and the right end and first motor of threaded rod
Output shaft is fixedly connected, which is characterized in that is fixedly connected with grinding device, the polishing by connecting column on the downside of the movable block
Dust exhaust apparatus is fixedly connected on the left of device, the dust exhaust apparatus includes dust hood, and dust hood passes through connecting tube and fixed setting
Fixed plate on grinding device left side wall is connected, and dust assembling supporting member, the top of connecting tube are provided in the fixed plate
It is connected with inside dust assembling supporting member, the dust assembling supporting member inner top is fixedly connected with several ball shells, ball
Strainer is provided on the upside of shell, offers through-hole on the dust assembling supporting member on the upside of the ball shell, through-hole be located at dust
Horizontal tube on the upside of assembling supporting member is connected, and the horizontal tube is connected by hose with negative-pressure air fan.
2. a kind of building sheet processing equipment based on ball-shaped absorption principle according to claim 1, feature exist
In the section of the movable block and groove is in convex shape, and movable block is matched with groove.
3. a kind of building sheet processing equipment based on ball-shaped absorption principle according to claim 1, feature exist
In the grinding device includes polishing shell, and polishing shell is fixedly connected with connecting column bottom end, and polishing shell inner top offers
Shifting chute offers limit through slot on the polishing shell on the downside of shifting chute, in shifting chute setting there are three moving ball, moving ball it
Between be fixedly connected by horizontal brace rod, be fixedly connected to vertical connecting rod, three vertical connecting rods on the downside of the moving ball
It is more than the mobile through slot setting opened up on the downside of polishing shell, three vertical connecting rod bottom ends are fixedly connected with mounting plate jointly,
It is fixedly connected with polishing motor on the downside of mounting plate, polishing pad is fixedly connected on motor output shaft of polishing, is fixed on the downside of polishing pad
It is connected with several polishing protrusions;Crankshaft is connected with by attachment device on the vertical connecting column of left side, crankshaft two end and is beaten
Housing into rotation connection is ground, and crankshaft top is fixedly connected with the second motor output shaft, the crankshaft middle is arranged with turning set
Cylinder, rotational sleeve are connected by connecting rod with attachment device.
4. a kind of building sheet processing equipment based on ball-shaped absorption principle according to claim 3, feature exist
In the section of the shifting chute is rounded.
5. a kind of building sheet processing equipment based on ball-shaped absorption principle according to claim 3, feature exist
In the polishing protrusion is in triangular pyramid.
6. a kind of building sheet processing equipment based on ball-shaped absorption principle according to claim 3, feature exist
In, the attachment device includes link block, and U-shaped through slot is offered on link block, and the right end of rotating bar is located in U-shaped through slot, and
Rotating bar and link block are rotatablely connected by rotating pin.
7. a kind of building sheet processing equipment based on ball-shaped absorption principle according to claim 1, feature exist
In bottom is fixedly connected with water conservancy diversion ramp in the dust assembling supporting member.
8. a kind of building sheet processing equipment based on ball-shaped absorption principle according to claim 1 or claim 7, feature
It is, discharging channel is provided on the dust assembling supporting member left side wall, is provided with valve on discharging channel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810105948.1A CN110153819A (en) | 2018-02-02 | 2018-02-02 | A kind of building sheet processing equipment based on ball-shaped absorption principle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810105948.1A CN110153819A (en) | 2018-02-02 | 2018-02-02 | A kind of building sheet processing equipment based on ball-shaped absorption principle |
Publications (1)
Publication Number | Publication Date |
---|---|
CN110153819A true CN110153819A (en) | 2019-08-23 |
Family
ID=67641266
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810105948.1A Withdrawn CN110153819A (en) | 2018-02-02 | 2018-02-02 | A kind of building sheet processing equipment based on ball-shaped absorption principle |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110153819A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110744369A (en) * | 2019-10-30 | 2020-02-04 | 赣州靖扬科技有限公司 | Panel surface equipment of polishing for machining |
CN111702567A (en) * | 2020-06-30 | 2020-09-25 | 山东立连智能设备有限公司 | Automatic knife grinder |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN205342750U (en) * | 2015-12-07 | 2016-06-29 | 重庆龙健金属制造有限公司 | Handheld portable dustless metal deruster |
CN107160272A (en) * | 2017-07-04 | 2017-09-15 | 郴州金通信息科技有限公司 | A kind of stone material sanding apparatus with dedusting function |
CN107297672A (en) * | 2017-07-26 | 2017-10-27 | 汪培杰 | A kind of building board is from dedusting polishing and grinding apparatus |
CN107377064A (en) * | 2017-08-07 | 2017-11-24 | 伍超群 | A kind of useless brick efficiency crushing device of building wall material |
CN107381250A (en) * | 2017-09-11 | 2017-11-24 | 刘海滨 | A kind of neat wrap-up of municipal construction cable |
CN107414625A (en) * | 2017-09-05 | 2017-12-01 | 刘丽 | A kind of building artificial stone's integrated processing device with reciprocal polishing function |
-
2018
- 2018-02-02 CN CN201810105948.1A patent/CN110153819A/en not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN205342750U (en) * | 2015-12-07 | 2016-06-29 | 重庆龙健金属制造有限公司 | Handheld portable dustless metal deruster |
CN107160272A (en) * | 2017-07-04 | 2017-09-15 | 郴州金通信息科技有限公司 | A kind of stone material sanding apparatus with dedusting function |
CN107297672A (en) * | 2017-07-26 | 2017-10-27 | 汪培杰 | A kind of building board is from dedusting polishing and grinding apparatus |
CN107377064A (en) * | 2017-08-07 | 2017-11-24 | 伍超群 | A kind of useless brick efficiency crushing device of building wall material |
CN107414625A (en) * | 2017-09-05 | 2017-12-01 | 刘丽 | A kind of building artificial stone's integrated processing device with reciprocal polishing function |
CN107381250A (en) * | 2017-09-11 | 2017-11-24 | 刘海滨 | A kind of neat wrap-up of municipal construction cable |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110744369A (en) * | 2019-10-30 | 2020-02-04 | 赣州靖扬科技有限公司 | Panel surface equipment of polishing for machining |
CN111702567A (en) * | 2020-06-30 | 2020-09-25 | 山东立连智能设备有限公司 | Automatic knife grinder |
CN111702567B (en) * | 2020-06-30 | 2021-08-20 | 山东立连智能设备有限公司 | Automatic knife grinder |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108161609A (en) | It is a kind of to collect polishing and dust suction in integrated building sheet processing equipment | |
CN108858809A (en) | A kind of building wall drilling equipment | |
CN208557060U (en) | A kind of construction site pipeline rust-removing cleaning device | |
CN110153818A (en) | A kind of reciprocating building sheet processing equipment in part based on sector gear engagement | |
CN208467955U (en) | A kind of stainless steel plate grinding device | |
CN209157888U (en) | A kind of cylindrical type cast member processing grinding device | |
CN206883349U (en) | New gear processes sanding apparatus | |
CN110153819A (en) | A kind of building sheet processing equipment based on ball-shaped absorption principle | |
CN107717658A (en) | A kind of telescopic high-efficiency wall grinding apparatus of civil engineering | |
CN107288333A (en) | A kind of integration apparatus for building pipe surface maintenance | |
CN209207127U (en) | A kind of wall polishing limiting device | |
CN109227783A (en) | A kind of linear type wood material cutting machine being adjustable cutting angle | |
CN208467957U (en) | A kind of screw-thread steel end grinding device | |
CN107855858A (en) | A kind of copper casting burrs on edges sanding apparatus | |
CN109855915A (en) | A kind of water sample collection device for old countries Environment Design | |
CN108500814A (en) | A kind of metal plate burnishing device | |
CN108583096A (en) | A kind of rub-down ink device | |
CN110153853A (en) | A kind of reciprocating building sheet processing equipment in part based on crankshaft | |
CN208681291U (en) | A kind of 2.5D mobile phone glass polishing machine | |
CN208342414U (en) | A kind of plate grinding device of the housing construction convenient for adjusting | |
CN207326753U (en) | A kind of dust exhaust apparatus of sand paper production and processing | |
CN208512432U (en) | Vortex mixer | |
CN108818293A (en) | A kind of lifting device of crystal glass grinder | |
CN108481121A (en) | A kind of liftable five metalworkings sander | |
CN214559593U (en) | Wall surface grinding device for house building construction |
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 | ||
WW01 | Invention patent application withdrawn after publication | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190823 |