CN108568997B - A kind of stabilization impression device of corrugated paper - Google Patents

A kind of stabilization impression device of corrugated paper Download PDF

Info

Publication number
CN108568997B
CN108568997B CN201810346331.9A CN201810346331A CN108568997B CN 108568997 B CN108568997 B CN 108568997B CN 201810346331 A CN201810346331 A CN 201810346331A CN 108568997 B CN108568997 B CN 108568997B
Authority
CN
China
Prior art keywords
corrugated paper
stabilization
rack
impression device
fixed
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.)
Active
Application number
CN201810346331.9A
Other languages
Chinese (zh)
Other versions
CN108568997A (en
Inventor
潘军林
谢泽和
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Zhimei environmental protection packaging technology Co., Ltd
Original Assignee
Dongguan Zhimei Environmental Protection Packaging Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dongguan Zhimei Environmental Protection Packaging Technology Co Ltd filed Critical Dongguan Zhimei Environmental Protection Packaging Technology Co Ltd
Priority to CN201810346331.9A priority Critical patent/CN108568997B/en
Publication of CN108568997A publication Critical patent/CN108568997A/en
Application granted granted Critical
Publication of CN108568997B publication Critical patent/CN108568997B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31FMECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/20Corrugating; Corrugating combined with laminating to other layers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)

Abstract

System of the present invention provides a kind of stabilization impression device of corrugated paper, including rack, and precompressed mechanism, humidifier and creasing mechanism are successively arranged in rack, is additionally provided with transport mechanism in rack;Precompressed mechanism includes two pony presses, is fixed with several pre- pushing broachs outside each pony press, each pre- pushing broach is vertical with the outer surface of pony press;Humidifier includes two fog-spray nozzles;Creasing mechanism includes two fever axis, is arranged outside each fever axis and is fixed with indentation roller.The present invention first carries out pre-cut pressure processing, the basis of one deformation can be provided for subsequent bending, spraying humidification be set to pre- hob after, before impression molding, it can effectively hob in advance and a dry basis is provided, the pre- stability and reliability hobbed can be improved, carry out the molding processing of impression again after squirting softening, the core paper of corrugated paper can be further prevented to be broken, the processing of heat drying and impression carries out simultaneously, can significantly improve the effect of sizing.

Description

A kind of stabilization impression device of corrugated paper
Technical field
The present invention relates to corrugated paper processing unit (plant)s, specifically disclose a kind of stabilization impression device of corrugated paper.
Background technique
Corrugated paper is also known as leatheroid, corrugated board, and brown paper is processed into wavy core paper by Corrugator roller, and core paper is adhered by The corrugated paper of plate is made in the facial tissue of two sides, and corrugated paper is the common materials of paper packaging box, it is lighter than wooden case, but has higher Mechanical strength, be easy to cut, there is good buffer protection effect, can support and be fallen by the collision in handling process and falling, can The packaged product of effective protection.
Corrugated paper mainly includes facial tissue and core paper, by setting multilayer core paper can specific aim improve the machinery of corrugated paper entirety Intensity, the core paper of traditional corrugated paper be by indentation roller to brown paper carry out impression acquisition, Indentation Process heifer paper due to Bending deformation is easy to that irregular rupture occurs, and fracture is also occurred that when serious, can seriously affect subsequent production operation, also Influence whether the mechanical strength of the corrugated paper of final machine-shaping.
Summary of the invention
Based on this, it is necessary to be directed to prior art problem, provide a kind of stabilization impression device of corrugated paper, can prevent watt The core paper of stupefied paper is broken, and can effectively improve the mechanical strength for producing corrugated paper entirety.
To solve prior art problem, the present invention discloses a kind of stabilization impression device of corrugated paper, including rack, in rack It is successively arranged precompressed mechanism, humidifier and creasing mechanism, is additionally provided with transport mechanism in rack;
Precompressed mechanism includes two the first mounting bases, two the first mounting bases be individually fixed in rack up and down, two the The opposite one end of one mounting base all passes through bearing and is rotatably connected to pony press, is fixed with several pre- pushing broachs outside each pony press, Each pre- pushing broach is vertical with the outer surface of pony press, and each pony press passes through the first drive mechanism and is connected with the first driving electricity Machine;
Humidifier includes two the second mounting bases, two the second mounting bases be individually fixed in rack up and down, two the The opposite one end of two mounting bases is all fixed with fog-spray nozzle;
Creasing mechanism includes two third mounting bases, two third mounting bases be individually fixed in rack up and down, two the The opposite one end of three mounting bases all passes through bearing and is rotatably connected to fever axis, is arranged outside each fever axis and is fixed with indentation roller, Each fever axis passes through the second drive mechanism and is connected with the second driving motor.
Further, indentation roller includes several recessed portion and lug boss being arranged alternately, and the width of recessed portion is D, protrusion The width in portion is d, d < D.
Further, D-d > 2mm.
Further, the minimum spacing of upper and lower two impression roller edges is h, h > 1mm.
Further, one side of the lug boss far from fever axis is rounded corner.
Further, the side of each third mounting base is designed with sponge seat, and each sponge seat is fixed with coated sponge, Coated sponge and indentation roller adjacent contact.
Further, it is respectively connected at the top of each coated sponge for sebific duct.
Further, transport mechanism is equipped with multiple, at least provided with a transport mechanism between precompressed mechanism and humidifier, At least provided with a transport mechanism between humidifier and creasing mechanism.
Further, transport mechanism includes two the 4th mounting bases, and two the 4th mounting bases are individually fixed in the upper of rack Under, two opposite one end of the 4th mounting base all pass through bearing and are rotatably connected to live-roller, and each live-roller is passed by third Dynamic structure is connected with third driving motor.
Further, it is arranged outside live-roller and is fixed with anti-slip layer.
The invention has the benefit that the present invention discloses a kind of stabilization impression device of corrugated paper, setting is rationally reliable Structure is processed, the processing first hobbed in advance to brown paper can provide the basis of a deformation, spraying humidification for subsequent bending Be set to pre- hob after, before impression molding, can effectively hob in advance and a dry basis, the precompressed of rolling are provided Blade can extrude the groove that hobs in advance on brown paper surface with lesser pre-cut pressure, can be improved the pre- stability hobbed and Reliability, brown paper carry out the molding processing of impression after squirting softening again, the core paper of corrugated paper can be further prevented to occur Fracture, so that it is guaranteed that following process can be normally carried out, the processing of heat drying and impression carries out simultaneously, and it is fixed to significantly improve The effect of type, additionally it is possible to effectively improve working efficiency, shorten the time of production operation, can reduce production cost, finally produce Corrugated paper entirety high mechanical strength.
Detailed description of the invention
Fig. 1 is overlooking structure diagram of the invention.
Fig. 2 is side structure schematic view of the invention.
Appended drawing reference are as follows: rack 10, precompressed mechanism 20, the first mounting base 21, pony press 22, pre- pushing broach 221, first pass Dynamic structure 23, the first driving motor 24, humidifier 30, the second mounting base 31, fog-spray nozzle 32, creasing mechanism 40, third installation Seat 41, fever axis 42, indentation roller 43, recessed portion 431, lug boss 432, the second drive mechanism 44, the second driving motor 45, sea Continuous seat 46, coated sponge 47 are passed for sebific duct 471, transport mechanism 50, the 4th mounting base 51, live-roller 52, anti-slip layer 521, third Dynamic structure 53, third driving motor 54.
Specific embodiment
To further understand the features of the present invention, technological means and specific purposes achieved, function, below with reference to Present invention is further described in detail with specific embodiment for attached drawing.
With reference to Fig. 1, Fig. 2.
The embodiment of the present invention discloses a kind of stabilization impression device of corrugated paper, including rack 10, is successively arranged in rack 10 Precompressed mechanism 20, humidifier 30 and creasing mechanism 40 are additionally provided with transport mechanism 50 in rack 10;
Precompressed mechanism 20 includes two the first mounting bases 21, and two the first mounting bases 21 are individually fixed in the upper of rack 10 Under, two opposite one end of the first mounting base 21 all pass through bearing and are rotatably connected to pony press 22, fix outside each pony press 22 Have several pre- pushing broachs 221, each pre- pushing broach 221 with its locating for the outer surface of pony press 22 it is vertical, i.e., pre- pushing broach The axle center of 221 back side face pony press 22, each pony press 22 are connected with the first driving electricity by the first drive mechanism 23 Machine 24, multiple pony presses 22 can connect the same driving motor 24 by the first drive mechanism 23;
Humidifier 30 includes two the second mounting bases 31, and two the second mounting bases 31 are individually fixed in the upper of rack 10 Under, two opposite one end of the second mounting base 31 are all fixed with fog-spray nozzle 32;
Creasing mechanism 40 includes two third mounting bases 41, and two third mounting bases 41 are individually fixed in the upper of rack 10 Under, the opposite one end of two third mounting bases 41 all passes through bearing and is rotatably connected to fever axis 42, covers outside each fever axis 42 If being fixed with indentation roller 43, each fever axis 42 is connected with the second driving motor 45 by the second drive mechanism 44, i.e., each Fever axis 42 is all singly connected with the second driving motor 45, and two indentation rollers 43 are all operated in a manner of opposite active, Neng Gouyou Effect reinforces impression effect.
The course of work of the invention are as follows: transport mechanism 50 drives brown paper to advance, and brown paper reaches the work of precompressed mechanism 20 Position, the first driving motor 24 drive pony press 22 to rotate by the first drive mechanism 23, and the drive of pony press 22 is arranged on Pre- pushing broach 221 rotates together, and pre- pushing broach 221 carries out pre-cut to two surfaces of brown paper by way of gently crush-cutting and adds Work, and groove is formed, two pony presses also play transmission simultaneously;Transport mechanism 50 continues that brown paper is driven to advance, ox-hide Paper reaches the station of humidifier 30, two sides spraying humidification of two fog-spray nozzles 32 to brown paper;Brown paper after humidification softening The station of creasing mechanism 40 is reached by the effect of transport mechanism 50, the fever of fever axis 42 simultaneously transfers heat to indentation roller 43, Second driving motor 45 drives indentation roller 43 to rotate by the second drive mechanism 44, and the indentation roller 43 of high temperature is to wet brown paper The processing of bending impression is carried out, the brown paper being bent over while obtaining heat drying, i.e., brown paper can obtain while bending The processing of sizing can effectively improve brown paper and form wavy fixed effect, to effectively improve the machine of corrugated paper entirety Tool intensity.
Present invention setting is rationally reliable to process structure, and the processing first hobbed in advance to brown paper can be subsequent folding It is curved that the basis of a deformation is provided, spraying humidification be set to pre- hob after, before impression molding, can effectively hob in advance A dry basis is provided, the pre- pushing broach 221 of rolling can extrude pre- with lesser pre-cut pressure on brown paper surface The groove hobbed, can be improved the pre- stability and reliability hobbed, brown paper carried out again after squirting softening impression it is molding plus Work can further prevent the core paper of corrugated paper to be broken, so that it is guaranteed that following process can be normally carried out, heat drying and The processing of impression carries out simultaneously, can significantly improve the effect of sizing, additionally it is possible to effectively improve working efficiency, shorten production operation Time, can reduce production cost, the high mechanical strength for the corrugated paper entirety finally produced.
In the present embodiment, indentation roller 43 includes several recessed portions 431 and lug boss 432 being arranged alternately, recessed portion 431 Width be D, the width of lug boss 432 is d, d<D, it is preferable that D-d>2mm;Between the minimum at 43 edge of upper and lower two indentation rollers Away from for h, i.e., the recessed portion 431 or lug boss and the lug boss 432 of lower indentation roller 43 or the spacing of recessed portion 431 of upper indentation roller 43 For h, h > 1mm.The effect that upper and lower two indentation rollers 43 matching impression can be effectively improved, effectively can provide bending for brown paper Allow bit space, brown paper rupture can be further prevented even to be broken.
In the present embodiment, one side of the lug boss 432 far from fever axis 42 is rounded corner, corner angle can be effectively prevent to ox Mulberry paper causes to damage, so that it is guaranteed that the reliability of following process.
In the present embodiment, the side of each third mounting base 41 is designed with sponge seat 46, and each sponge seat 46 is fixed There is coated sponge 47, shaping glue, coated sponge 47 and 43 adjacent contact of indentation roller are stored in coated sponge 47, indentation roller 43 exists It is constantly contacted with coated sponge 47 during rotation, recessed portion 431 is usually set and lug boss 432 alternately dips coated sponge Shaping glue in 47, indentation roller 43 are applied to two of brown paper during molding to brown paper impression, while by shaping glue Surface, the shaping glue under heat drying accelerate molding hardening, and the machinery that can effectively improve waveform core paper among corrugated paper is strong Degree, to improve the mechanical strength of corrugated paper entirety.
In the present embodiment, the top of each coated sponge 47 is respectively connected with for sebific duct 471, and top leads to for sebific duct 471 Gravity is crossed continually to coated sponge 47 for glue, operation can be simplified.
In the present embodiment, transport mechanism 50 is equipped with multiple, at least provided with one between precompressed mechanism 20 and humidifier 30 A transport mechanism 50 can effectively improve ox at least provided with a transport mechanism 50 between humidifier 30 and creasing mechanism 40 The stability of mulberry paper transmission.
In the present embodiment, transport mechanism 50 includes two the 4th mounting bases 51, and two the 4th mounting bases 51 are fixed respectively Above and below rack 10, two opposite one end of the 4th mounting base 51 all pass through bearing and are rotatably connected to live-roller 52, Mei Gechuan Dynamic roller 52 is all connected with third driving motor 54 by third drive mechanism 53, it is preferable that be arranged outside live-roller 52 be fixed with it is anti- Slip layer 521, anti-slip layer 521 can effectively prevent brown paper to move in process, improve the stability of overall processing.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.

Claims (9)

1. a kind of stabilization impression device of corrugated paper, which is characterized in that including rack (10), be successively arranged in the rack (10) Precompressed mechanism (20), humidifier (30) and creasing mechanism (40) are additionally provided with transport mechanism (50) in the rack (10);
The precompressed mechanism (20) includes two the first mounting bases (21), and two first mounting bases (21) are individually fixed in institute The upper and lower of rack (10) is stated, two opposite one end of first mounting base (21) all pass through bearing and are rotatably connected to pony press (22), several pre- pushing broachs (221), each pre- pushing broach (221) and institute are fixed with outside each pony press (22) The outer surface for stating pony press (22) is vertical, and each pony press (22) is connected with the first drive by the first drive mechanism (23) Dynamic motor (24);
The humidifier (30) includes two the second mounting bases (31), and two second mounting bases (31) are individually fixed in institute The upper and lower of rack (10) is stated, two opposite one end of second mounting base (31) are all fixed with fog-spray nozzle (32);
The creasing mechanism (40) includes two third mounting bases (41), and two third mounting bases (41) are individually fixed in institute The upper and lower of rack (10) is stated, two opposite one end of the third mounting base (41) all pass through bearing and are rotatably connected to fever axis (42), each fever axis (42) is arranged outside is fixed with indentation roller (43), and each fever axis (42) passes through second Drive mechanism (44) is connected with the second driving motor (45), and the side of each third mounting base (41) is designed with sponge seat (46), each sponge seat (46) is fixed with coated sponge (47), the coated sponge (47) and the indentation roller (43) Adjacent contact.
2. a kind of stabilization impression device of corrugated paper according to claim 1, which is characterized in that indentation roller (43) packet Several recessed portions (431) and lug boss (432) being arranged alternately are included, the width of the recessed portion (431) is D, the lug boss (432) width is d, d < D.
3. a kind of stabilization impression device of corrugated paper according to claim 2, which is characterized in that D-d > 2mm.
4. a kind of stabilization impression device of corrugated paper according to claim 2, which is characterized in that upper and lower two impressions The minimum spacing at roller (43) edge is h, h > 1mm.
5. a kind of stabilization impression device of corrugated paper according to claim 2, which is characterized in that the lug boss (432) One side far from fever axis (42) is rounded corner.
6. a kind of stabilization impression device of corrugated paper according to claim 1, which is characterized in that each coated sponge (47) Top be respectively connected with for sebific duct (471).
7. a kind of stabilization impression device of corrugated paper according to claim 1, which is characterized in that the transport mechanism (50) Equipped with multiple, at least provided with a transport mechanism (50) between the precompressed mechanism (20) and the humidifier (30), At least provided with a transport mechanism (50) between the humidifier (30) and the creasing mechanism (40).
8. a kind of stabilization impression device of corrugated paper according to claim 1, which is characterized in that the transport mechanism (50) Including two the 4th mounting bases (51), two the 4th mounting bases (51) be individually fixed in the rack (10) up and down, two The opposite one end of a 4th mounting base (51) all passes through bearing and is rotatably connected to live-roller (52), each live-roller (52) third driving motor (54) all are connected with by third drive mechanism (53).
9. a kind of stabilization impression device of corrugated paper according to claim 8, which is characterized in that the live-roller (52) is outside It is arranged and is fixed with anti-slip layer (521).
CN201810346331.9A 2018-04-18 2018-04-18 A kind of stabilization impression device of corrugated paper Active CN108568997B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810346331.9A CN108568997B (en) 2018-04-18 2018-04-18 A kind of stabilization impression device of corrugated paper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810346331.9A CN108568997B (en) 2018-04-18 2018-04-18 A kind of stabilization impression device of corrugated paper

Publications (2)

Publication Number Publication Date
CN108568997A CN108568997A (en) 2018-09-25
CN108568997B true CN108568997B (en) 2019-11-29

Family

ID=63574968

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810346331.9A Active CN108568997B (en) 2018-04-18 2018-04-18 A kind of stabilization impression device of corrugated paper

Country Status (1)

Country Link
CN (1) CN108568997B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109291519A (en) * 2018-11-05 2019-02-01 湖南华望科技股份有限公司 A kind of sanitary coffin stiffening plate processing unit (plant)
CN110406175B (en) * 2019-07-31 2020-09-08 东莞华成环保包装科技股份有限公司 A facial tissue rubber coating processingequipment for corrugated container board
CN110834974A (en) * 2019-11-20 2020-02-25 华辉印刷制品(深圳)有限公司 High-quality continuous automatic folding system
CN114771022B (en) * 2022-04-12 2023-02-10 泰州永盛包装股份有限公司 Paperboard folding and creasing device and method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05138776A (en) * 1991-11-18 1993-06-08 Mitsubishi Heavy Ind Ltd Corrugation forming device for paper
JP2002234083A (en) * 2001-02-08 2002-08-20 Mitsubishi Heavy Ind Ltd Apparatus for drawing ruled line on corrugated board sheet and ruled line roll for apparatus for drawing ruled line
CN104999698A (en) * 2015-06-30 2015-10-28 蚌埠市振华包装机械有限责任公司 Marking press for corrugated paper
CN107187112A (en) * 2017-07-27 2017-09-22 寻乌县天源包装有限公司 A kind of automatic cutting string-pressing device and control method
CN206644389U (en) * 2017-02-23 2017-11-17 东莞市业润自动化设备有限公司 A kind of roller paper folder
CN107364188A (en) * 2017-07-27 2017-11-21 寻乌县天源包装有限公司 A kind of continuous process system of high intensity vertical corrugated board

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05138776A (en) * 1991-11-18 1993-06-08 Mitsubishi Heavy Ind Ltd Corrugation forming device for paper
JP2002234083A (en) * 2001-02-08 2002-08-20 Mitsubishi Heavy Ind Ltd Apparatus for drawing ruled line on corrugated board sheet and ruled line roll for apparatus for drawing ruled line
CN104999698A (en) * 2015-06-30 2015-10-28 蚌埠市振华包装机械有限责任公司 Marking press for corrugated paper
CN206644389U (en) * 2017-02-23 2017-11-17 东莞市业润自动化设备有限公司 A kind of roller paper folder
CN107187112A (en) * 2017-07-27 2017-09-22 寻乌县天源包装有限公司 A kind of automatic cutting string-pressing device and control method
CN107364188A (en) * 2017-07-27 2017-11-21 寻乌县天源包装有限公司 A kind of continuous process system of high intensity vertical corrugated board

Also Published As

Publication number Publication date
CN108568997A (en) 2018-09-25

Similar Documents

Publication Publication Date Title
CN108568997B (en) A kind of stabilization impression device of corrugated paper
CN102794932B (en) High-strength corrugated composite paperboard production equipment
CN107322985B (en) Anti-burst corrugated paper double-line pressing device
CN105382936A (en) Breaking apparatus for substrate
CN205853435U (en) A kind of manufacture equipment of corrugated board
CN105500880A (en) Continuous-type single-sheet pre-printed color box corrugated paper board production line and technical process
CN108453799B (en) Cutting device of thick plate corrugated paper
CN113715405A (en) Corrugated carton indentation device
CN107364188B (en) Continuous production system of high-strength vertical corrugated board
CN105346186A (en) Continuous single piece of paper preprinting color box corrugated paper board production line and process flow thereof
CN203781427U (en) Improved printing machine feeding device
CN204998086U (en) Glass laminating machine
CN201052676Y (en) Inside and outside double absorption type corrugated cardboard forming and absorbing mechanism for single-face corrugated cardboard machine
CN1213610A (en) Synthetic method and appts. for honeycomb paper board
CN110077031B (en) System for be used for cardboard line ball department humidification
CN213034854U (en) Leveling device of veneer leveling system
CN211870972U (en) Packaging board film anti-edge-warping device
CN210910251U (en) Single-tile paperboard production device
CN211468903U (en) A tectorial membrane cutting all-in-one for touch-sensitive screen processing
CN210758296U (en) Release agent spraying subassembly and wood-based plate production line
CN220390488U (en) Compacting device for paperboard processing
JP3164771U (en) Cutting machine with a plurality of wheels divided into upper and lower parts
CN208730457U (en) A kind of automatic manufacturing equipment of wet curtain paper
CN210362945U (en) Paperboard printing device with drying function
CN211917879U (en) Improved generation clad can machine

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
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20191030

Address after: 523539 Building 1, No. 3, Nanqi street, qiaotouqiao East Road, Qiaotou town, Dongguan City, Guangdong Province

Applicant after: Dongguan Zhimei environmental protection packaging technology Co., Ltd

Address before: 523710 Shigu village, Tangxia Town, Dongguan, Guangdong

Applicant before: Dongguan Huacheng environmental protection packaging Polytron Technologies Inc

GR01 Patent grant
GR01 Patent grant