CN109261333A - A kind of ball milling sand making machine that multistage centrifugal is broken - Google Patents

A kind of ball milling sand making machine that multistage centrifugal is broken Download PDF

Info

Publication number
CN109261333A
CN109261333A CN201811372686.1A CN201811372686A CN109261333A CN 109261333 A CN109261333 A CN 109261333A CN 201811372686 A CN201811372686 A CN 201811372686A CN 109261333 A CN109261333 A CN 109261333A
Authority
CN
China
Prior art keywords
crush box
broken
making machine
ball milling
sand making
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Withdrawn
Application number
CN201811372686.1A
Other languages
Chinese (zh)
Inventor
孙启祥
马驰
孙法虎
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.)
Zaozhuang Snksan Intelligent Machinery Co Ltd
Original Assignee
Zaozhuang Snksan Intelligent Machinery 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 Zaozhuang Snksan Intelligent Machinery Co Ltd filed Critical Zaozhuang Snksan Intelligent Machinery Co Ltd
Priority to CN201811372686.1A priority Critical patent/CN109261333A/en
Publication of CN109261333A publication Critical patent/CN109261333A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C19/00Other disintegrating devices or methods
    • B02C19/10Mills in which a friction block is towed along the surface of a cylindrical or annular member
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C21/00Disintegrating plant with or without drying of the material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/16Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C7/00Crushing or disintegrating by disc mills
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C7/00Crushing or disintegrating by disc mills
    • B02C7/11Details
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C7/00Crushing or disintegrating by disc mills
    • B02C7/11Details
    • B02C7/12Shape or construction of discs

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)
  • Crushing And Pulverization Processes (AREA)

Abstract

The invention discloses the ball milling sand making machines that a kind of multistage centrifugal is crushed, belong to mining equiment technical field, solves existing sand making machine light load, lack the grinding function of fine crushing material, the still larger problem of smashed particle, it is characterized in that: including crush box, rotating disk, movable teeth and mill ball, it crushes chamber interior wall upper berth and is equipped with wearing layer, crush box upper end is connected with upper end cover, upper end cover upper center welds cast hopper, rotary shaft is vertically arranged in crush box, rotating disk is welded in rotary shaft, rotation pan bottom is equipped with breaking disc, by the way that breaking disc is mounted on rotation pan bottom composition rotation disruption elements, cooperate with the fixation tooth and breaking disc for crushing the interlaced distribution of chamber interior wall, multiple stage crushing processing is carried out to sand material processed, and under sieve screening, so that sand grains diameter processed is consistent, the bulky grain sand material of retention Grinding is further rotated by mill ball, improves the efficiency and chiltern amount processed of sand processed.

Description

A kind of ball milling sand making machine that multistage centrifugal is broken
Technical field
The present invention relates to mining equiment technical fields, are specifically related to a kind of ball milling sand making machine that multistage centrifugal is broken.
Background technique
China possesses stone resource in mountain abundant, provides sufficient raw material for the production of artificial sand, and with mine industry Integration adjustment, we the demand to sand making machine are consequently increased, in the shattering process of ore materials, need using sand making machine Tup it is crushed, at present to that can generate biggish stress after in material shattering process, conventional sand making machine usually makes It is crushed with the tup of rotation and fixed tup.Chinese patent CN106824398A discloses a kind of sand making machine, pedestal bottom It is connected with bearing block among portion, first bearing is installed inside bearing block, bearing block upper surface is connected with first bearing lid, pedestal On be fixedly connected with cylinder, cylinder inboard wall is fitted and connected due to liner plate, is equipped with main shaft, the connection of cylinder upper surface among inner barrel There is upper end cover, feed hopper is connected on upper end cover, upper surface is equipped with second bearing lid, second bearing lid and upper end among upper end cover Second bearing is connected between lid, main shaft one end is protruded into first bearing inner round wall, and one end is protruded into second bearing inner round wall, main Multi-layer rotary top is installed on axis, tup is equipped between turntable, is connected with pin shaft between tup and turntable, tup include hammer handle portion and Hammering portion, hammer handle portion are made using carbon steel, and hammering portion is made using rich chromium cast iron.The present invention has heavy load and height The characteristics of speed rotation, has the function of fine crushing, corase grinding, and rack construction is split type structure, convenient for handling and maintenance.
Since the distance between two kinds of tups are fixed, cause some small particles materials directly to fall without broken, cause to make The light load of sand machine operates, and operating efficiency reduces, secondly, lack the grinding function of fine crushing material, smashed particle still compared with Greatly, can not further milled processed, the smaller sand of diameter cannot be obtained, and be unable to transport the sand for meeting size when milling.
Accordingly, it is desirable to provide the ball milling sand making machine that a kind of multistage centrifugal is broken, it is intended to solve the above problems.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of ball milling sand that multistage centrifugal is broken Machine, to solve the problems in above-mentioned background technique.
To achieve the above object, the invention provides the following technical scheme:
A kind of ball milling sand making machine that multistage centrifugal is broken, including crush box, rotating disk, movable teeth and mill ball, crush chamber interior wall On be equipped with wearing layer, crush box upper end is connected with upper end cover, and upper end cover upper center welds cast hopper, and rotary shaft is vertically arranged In crush box, it is welded with rotating disk in rotary shaft, rotation pan bottom is equipped with breaking disc, rotating disk and coupled broken Broken disk composition rotation disruption elements, rotary shaft are at least equipped with two groups of rotation disruption elements from top to bottom;Broken disc side is equipped with Several crushing teeths, are equipped with several fixed teeth and movable teeth on the crushing chamber interior wall of the broken disc side, several fixed teeth and The interlaced setting of movable teeth.
As a further solution of the present invention, the crushing box bottom is connected with stabilizer blade, and crush box is cylinder-like structure, resistance to Grind the steel plate that layer is 7-15mm thickness.
As a further solution of the present invention, the cast hopper upper end is equipped with cover board, and the cast hopper bottom end offers It is connected to inside feed inlet, feed inlet and crush box.
As a further solution of the present invention, the crush box center bottom is equipped with motor, and motor connects rotary shaft.
As a further solution of the present invention, the rotating disk upper end is equipped with material toggling piece, material toggling piece structure in a rectangular trapezoid And right-angle side is mutually welded with rotary shaft side wall.
As a further solution of the present invention, the turntable bottom is welded with several fixed columns, and fixed column is threaded through brokenly In limit hole on broken disk, the breaking disc other side is equipped with fixing glue, and fixing glue is threadedly coupled with fixation hole in fixed column.
As a further solution of the present invention, when the rotation disruption elements are two groups, the quantity of rotating disk is two, and Two rotation pan bottoms are separately installed with the first breaking disc and the second breaking disc.
As a further solution of the present invention, the fixed tooth is connected with wearing layer, and movable teeth is mounted in crush box It is connected in dashpot on wall and with the block in dashpot, spring is installed in the dashpot on the outside of block.
As a further solution of the present invention, guide is installed on the crushing chamber interior wall between the rotation disruption elements Plate.
As a further solution of the present invention, the crushing lower box part is equipped with sieve, leads in the rotary shaft above sieve It crosses tension spring and is connected with mill ball, the chamber that gathers materials is set as in the crush box below sieve, crushing box bottom offers discharge gate, discharge gate Chamber is connected to gathering materials.
In conclusion compared with the prior art, the invention has the following beneficial effects:
The broken ball milling sand making machine of multistage centrifugal of the invention, stabilized structure is easy to operate, by the way that breaking disc is mounted on rotation Pan bottom composition rotation disruption elements, cooperate with the fixation tooth and breaking disc for crushing the interlaced distribution of chamber interior wall, to sand material processed Multiple stage crushing processing is carried out, and under sieve screening, so that sand grains diameter processed is consistent, the bulky grain sand material of retention is by grinding Ball further rotates grinding, improves the efficiency and chiltern amount processed of sand processed.
In order to explain the structural features and functions of the invention more clearly, come with reference to the accompanying drawing with specific embodiment to this hair It is bright to be described in detail.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the ball milling sand making machine that multistage centrifugal is crushed.
Fig. 2 is the structural schematic diagram that disruption elements are rotated in the broken ball milling sand making machine of multistage centrifugal.
Fig. 3 is the structural schematic diagram of movable teeth in the broken ball milling sand making machine of multistage centrifugal.
Appended drawing reference: 1- cast hopper, 2- cover board, 3- feed inlet, 4- upper end cover, 5- crush box, 6- material toggling piece, 7- rotation The fixed tooth of disk, 8- fixed column, 9- fixing glue, the first breaking disc of 10-, 11- shaft through-hole, 12- wearing layer, 13- stock guide, 14-, 15- movable teeth, 16- spring, the second breaking disc of 17-, 18- sieve, 19- discharge gate, 20- stabilizer blade, 21- motor, 22- gather materials chamber, 23- mill ball, 24- tension spring, 25- rotary shaft, 26- dashpot, 27- block.
Specific embodiment
The following further describes the technical solution of the present invention in the following with reference to the drawings and specific embodiments.
Embodiment 1
Referring to shown in Fig. 1, Fig. 3, in the present embodiment, a kind of ball milling sand making machine that multistage centrifugal is broken, including crush box 5, rotation Disk 7, movable teeth 15 and mill ball 23,5 bottom of crush box are connected with stabilizer blade 20, and crush box 5 is cylinder-like structure, crush box Wearing layer 12 is equipped on 5 inner walls, it is preferred that wearing layer 12 is the steel plate of 7-15mm thickness, and 5 upper end of crush box is connected with upper end cover 4,4 upper center of upper end cover welds cast hopper 1, and 1 upper end of cast hopper is equipped with cover board 2, and 1 bottom end of cast hopper offers charging Mouthfuls 3, it is connected to inside feed inlet 3 and crush box 5.
5 center bottom of crush box is equipped with motor 21, and motor 21 connects rotary shaft 25, and rotary shaft 25 is vertically arranged in In crush box 5, rotating disk 7 is welded in rotary shaft 25,7 upper end of rotating disk is equipped with material toggling piece 6, the knot in a rectangular trapezoid of material toggling piece 6 Structure and right-angle side is mutually welded with 25 side wall of rotary shaft;7 bottom of rotating disk is welded with several fixed columns 8, and fixed column 8 is worn In limit hole on breaking disc, the breaking disc other side is equipped with fixing glue 9, and fixation hole screw thread connects in fixing glue 9 and fixed column 8 It connects;To which breaking disc is fixed on 7 bottom of rotating disk, the shaft through-hole 11 that rotary shaft 25 passes through is equipped in the middle part of breaking disc.
The rotating disk 7 and coupled breaking disc composition rotation disruption elements, rotary shaft 25 is from top to bottom at least Two groups of rotation disruption elements are installed, when rotating disruption elements is two groups, the quantity of rotating disk 7 is two, and two rotations 7 bottom of disk is separately installed with the first breaking disc 10 and the second breaking disc 17.
Several fixed teeth 14 and movable teeth 15 be installed on 5 inner wall of crush box of the broken disc side, fixed tooth 14 with Wearing layer 12 is connected, movable teeth 15 be mounted on the dashpot 26 on 5 inner wall of crush box Nei and with the block 27 in dashpot 26 It is connected, spring 16, several fixed teeth 14 and the interlaced setting of movable teeth 15 is installed in the dashpot 26 in 27 outside of block, When breaking disc is rotated with rotary shaft 25, at a distance from fixed tooth 14 is kept fixed between breaking disc, movable teeth 15 is according to broken The distance between breaking disc is adjusted flexibly in the particle size of material, and the interlaced distribution of the two is crushed conducive to different-grain diameter The sand processed operation of material.
Stock guide 13 is installed on 5 inner wall of crush box between the rotation disruption elements, for a upper rotation is broken The broken raw material of component gather after under fall on next rotation disruption elements, guarantee broken material with rotate disruption elements sufficiently connect Touching, is crushed it conducive to next rotation disruption elements.
5 lower part of crush box is equipped with sieve 18, is connected with and is ground by tension spring 24 in the rotary shaft 25 of 18 top of sieve Abrading-ball 23, is set as the chamber 22 that gathers materials in the crush box 5 of the lower section of sieve 18, and 5 bottom of crush box offers discharge gate 19, discharge gate 19 with The chamber 22 that gathers materials connection, for broken sand material processed after the screening of sieve 18, the sand material processed for meeting size grade scale falls into the chamber 22 that gathers materials And be discharged by discharge gate 19, non-compliant big partial size sand material is in the case where tension spring 24 pulls mill ball 23 to rotate with rotary shaft 25 Ball milling is carried out, ball milling is in small particle sand material;And the centrifugal movement position of mill ball 23 with the variation of 25 revolving speed of rotary shaft and Variation, when the revolving speed of rotary shaft 25 becomes larger, mill ball 23 is acted on by centrifugal force compared with external circumferential spin finishing;Conversely, Compared with inner circumferential spin finishing, the efficiency and chiltern amount processed of sand processed are improved.
Embodiment 2
Please refer to shown in Fig. 2, in the present embodiment, a kind of broken ball milling sand making machine of multistage centrifugal, compared with Example 1 compared with, In the present embodiment, several crushing teeths are equipped in broken disc side, for crushing teeth in circumferential setting, enhancing breaking disc is broken to sand material processed Efficiency and effect, remaining structure division of the present embodiment is same as Example 1.
The technical principle of the invention is described above in combination with a specific embodiment, is only the preferred embodiment of the present invention.This The protection scope of invention is not limited merely to above-described embodiment, and all technical solutions belonged under thinking of the present invention belong to the present invention Protection scope.Those skilled in the art, which does not need to pay for creative labor, can associate other specific realities of the invention Mode is applied, these modes will fall within the scope of protection of the present invention.

Claims (10)

1. a kind of broken ball milling sand making machine of multistage centrifugal, including crush box (5), rotating disk (7), movable teeth (15) and mill ball (23), it is equipped with wearing layer (12) on crush box (5) inner wall, crush box (5) upper end is connected with upper end cover (4), on upper end cover (4) Cast hopper (1) is welded at end middle part, and rotary shaft (25) is vertically arranged in crush box (5), which is characterized in that rotary shaft is welded on (25) It is connected to rotating disk (7), rotating disk (7) bottom is equipped with breaking disc, rotating disk (7) and the composition rotation of coupled breaking disc Disruption elements, rotary shaft (25) are at least equipped with two groups of rotation disruption elements from top to bottom;Broken disc side is equipped with several broken Tooth is equipped with several fixed teeth (14) and movable teeth (15), several fixed teeth on crush box (5) inner wall of the broken disc side (14) and movable teeth (15) interlaced setting.
2. a kind of broken ball milling sand making machine of multistage centrifugal according to claim 1, which is characterized in that the crush box (5) bottom is connected with stabilizer blade (20), and crush box (5) is cylinder-like structure, and wearing layer (12) is the steel plate of 7-15mm thickness.
3. a kind of broken ball milling sand making machine of multistage centrifugal according to claim 2, which is characterized in that the cast hopper (1) upper end is equipped with cover board (2), and cast hopper (1) bottom end offers feed inlet (3), in feed inlet (3) and crush box (5) Portion's connection.
4. a kind of broken ball milling sand making machine of multistage centrifugal according to claim 3, which is characterized in that the crush box (5) center bottom is equipped with motor (21), and motor (21) connects rotary shaft (25).
5. a kind of broken ball milling sand making machine of multistage centrifugal according to claim 4, which is characterized in that the rotating disk (7) upper end is equipped with material toggling piece (6), material toggling piece (6) structure in a rectangular trapezoid and right-angle side and mutually welds with rotary shaft (25) side wall.
6. a kind of broken ball milling sand making machine of multistage centrifugal according to claim 5, which is characterized in that the turntable (7) Bottom is welded with several fixed columns (8), and fixed column (8) is threaded through in the limit hole on breaking disc, and the breaking disc other side is worn Have fixing glue (9), fixing glue (9) is threadedly coupled with fixed column (8) interior fixation hole.
7. a kind of broken ball milling sand making machine of multistage centrifugal according to claim 6, which is characterized in that the rotation is broken When component is two groups, the quantity of rotating disk (7) is two, and two rotating disk (7) bottoms are separately installed with the first breaking disc (10) and the second breaking disc (17).
8. a kind of broken ball milling sand making machine of multistage centrifugal according to claim 7, which is characterized in that the fixed tooth (14) be connected with wearing layer (12), movable teeth (15) be mounted on the dashpot (26) on crush box (5) inner wall Nei and with buffering Block (27) in slot (26) is connected, and is equipped with spring (16) in the dashpot (26) on the outside of block (27).
9. a kind of broken ball milling sand making machine of multistage centrifugal according to claim 8, which is characterized in that the rotation is broken Stock guide (13) are installed on crush box (5) inner wall between component.
10. the broken ball milling sand making machine of -9 any a kind of multistage centrifugals according to claim 1, which is characterized in that described Crush box (5) lower part is equipped with sieve (18), is connected with grinding by tension spring (24) in the rotary shaft (25) above sieve (18) Ball (23) is set as gather materials chamber (22) in the crush box (5) below sieve (18), and crush box (5) bottom offers discharge gate (19), Discharge gate (19) is connected to the chamber that gathers materials (22).
CN201811372686.1A 2018-11-19 2018-11-19 A kind of ball milling sand making machine that multistage centrifugal is broken Withdrawn CN109261333A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811372686.1A CN109261333A (en) 2018-11-19 2018-11-19 A kind of ball milling sand making machine that multistage centrifugal is broken

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811372686.1A CN109261333A (en) 2018-11-19 2018-11-19 A kind of ball milling sand making machine that multistage centrifugal is broken

Publications (1)

Publication Number Publication Date
CN109261333A true CN109261333A (en) 2019-01-25

Family

ID=65189987

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811372686.1A Withdrawn CN109261333A (en) 2018-11-19 2018-11-19 A kind of ball milling sand making machine that multistage centrifugal is broken

Country Status (1)

Country Link
CN (1) CN109261333A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110369045A (en) * 2019-08-12 2019-10-25 枣庄鑫金山智能机械股份有限公司 A kind of sand making machine crusher chamber abrasion-proof structure
CN110586292A (en) * 2019-09-17 2019-12-20 李新岭 Water-based ink preparation and processing equipment and method
CN111375477A (en) * 2020-03-24 2020-07-07 陈洪霖 Multistage crushing mechanical equipment of ore
CN111408466A (en) * 2020-04-20 2020-07-14 浙江海洋大学 High-efficient stone crusher
CN113575921A (en) * 2021-08-11 2021-11-02 山东华畅食品股份有限公司 Hot pot dipping sauce with lobster flavor and preparation method thereof

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110369045A (en) * 2019-08-12 2019-10-25 枣庄鑫金山智能机械股份有限公司 A kind of sand making machine crusher chamber abrasion-proof structure
CN110586292A (en) * 2019-09-17 2019-12-20 李新岭 Water-based ink preparation and processing equipment and method
CN111375477A (en) * 2020-03-24 2020-07-07 陈洪霖 Multistage crushing mechanical equipment of ore
CN111375477B (en) * 2020-03-24 2021-05-28 陈洪霖 Multistage crushing mechanical equipment of ore
CN111408466A (en) * 2020-04-20 2020-07-14 浙江海洋大学 High-efficient stone crusher
CN111408466B (en) * 2020-04-20 2024-05-28 浙江海洋大学 High-efficient stone crusher
CN113575921A (en) * 2021-08-11 2021-11-02 山东华畅食品股份有限公司 Hot pot dipping sauce with lobster flavor and preparation method thereof
CN113575921B (en) * 2021-08-11 2024-03-01 山东华畅食品股份有限公司 Lobster-flavored chafing dish dipping sauce and making method thereof

Similar Documents

Publication Publication Date Title
CN109261333A (en) A kind of ball milling sand making machine that multistage centrifugal is broken
CN209138835U (en) A kind of ball milling sand making machine that multistage centrifugal is broken
CN206778652U (en) A kind of ore crusher that can be sorted
US4671464A (en) Method and apparatus for energy efficient comminution
CN205341004U (en) Device of milling is smashed to circulating ore
CN103041920A (en) Ore dressing method and ore dressing system suitable for lean magnetite ores
CN101722083A (en) Grinding method and grinding device
CN102921521B (en) Ore grinding grading method for improving ore grinding processing capacity
CN105312144A (en) Ultra-micro airflow grading mill
CN109046719A (en) Crush-grind system and method
CN107262254A (en) A kind of rock phosphate in powder closed cycle breaking method
CN110193404A (en) A kind of high molecular material production raw material pulverization process system
CN213376842U (en) Ore crusher
CN212167757U (en) Ring roller mill
CN208944319U (en) Crush-grind system
CN209423734U (en) A kind of multiple groups tup micronizer
CN104907128B (en) A kind of disintegrator and its comminution method
CN209829125U (en) Slag discharge hole structure of vertical mill millstone
CN204799329U (en) Garrulous mill
CN108295966A (en) A kind of vertical roller grinder wet type grinding method and system
CN107096609A (en) It is a kind of directly to enter feeding type flour mill
CN210159692U (en) Industrial ball mill
CN207655225U (en) A kind of paddle type mill screening crusher
CN203448157U (en) Improved combined ultrafine crusher
CN110813512A (en) Refractory stone bypass high-pressure roller grinding process of autogenous mill

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: 20190125