CN108476671A - A kind of seeding apparatus suitable for mountain farming plantation - Google Patents

A kind of seeding apparatus suitable for mountain farming plantation Download PDF

Info

Publication number
CN108476671A
CN108476671A CN201810465586.7A CN201810465586A CN108476671A CN 108476671 A CN108476671 A CN 108476671A CN 201810465586 A CN201810465586 A CN 201810465586A CN 108476671 A CN108476671 A CN 108476671A
Authority
CN
China
Prior art keywords
box body
montant
outside
apparatus suitable
rotating roller
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Withdrawn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
CN201810465586.7A
Other languages
Chinese (zh)
Inventor
蒋加勇
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201810465586.7A priority Critical patent/CN108476671A/en
Publication of CN108476671A publication Critical patent/CN108476671A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C7/00Sowing
    • A01C7/02Hand sowing implements

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Sowing (AREA)

Abstract

The invention discloses a kind of seeding apparatus suitable for mountain farming plantation, the upper end of the tube body is installed with box body, the top of the box body is equipped with handle, the front of the box body is equipped with cover board moving up and down, the bottom end of the tube body is welded with tapered fixing sleeve, the inside of the box body is installed with partition board and funnel, side fixed seal connection outside one end of the partition board and the upper end of funnel, the madial wall fixed seal connection of the other side and box body outside the upper end of the funnel, the lower section for being internally located at partition board of the box body is rotatablely equipped with rotating roller by first rotating shaft, the groove is centered on the central shaft of rotating roller around the outside for being distributed in rotating roller.The present invention, it is easy to carry, mountainous region sowing operation can be well adapted to, it can be achieved that quickly sowing, effectively improves sowing efficiency, montant can automatically reset, and practicability is good, can effectively reduce labor intensity, and be worthy to be popularized and popularize.

Description

A kind of seeding apparatus suitable for mountain farming plantation
Technical field
The invention belongs to agricultural plantation technology fields, and in particular to a kind of sowing suitable for mountain farming plantation fills It sets.
Background technology
Mountain farming refer to during survival and development, in mountain area can farming and using agricultural carry out farming activities Summation.Mountain farming area is a kind of agriculture fractions distribution area formed under high mountain territorial environment.Arable land spatial distribution shows: Block is more, face is small, distribution is scattered and there are apparent belts to divide the features such as different.
Carry out agricultural planting sowing in mountainous region, cannot as that in plains region, mechanized cultivation can be utilized to sow, mountainous region into In row agricultural planting seeding operation, hoe pit digging is generally used, then seed is put into hole and is buried again, however this side Formula inefficiency, speed of drilling is slow, and labor intensity is big.
For this purpose, it is proposed that a kind of seeding apparatus suitable for mountain farming plantation is existing in the prior art to solve Problem makes it easy to carry, and can well adapt to mountainous region sowing operation, it can be achieved that quickly sowing, effectively improve sowing efficiency, Practicability is good, can effectively reduce labor intensity.
Invention content
The purpose of the present invention is to provide a kind of seeding apparatus suitable for mountain farming plantation, to solve above-mentioned background Mountain farming plantation seeding method inefficiency in the prior art is proposed in technology, speed of drilling is slow, and labor intensity is big asks Topic.
To achieve the above object, present invention employs following technical solutions:
A kind of seeding apparatus suitable for mountain farming plantation, including tube body, the upper end of the tube body are installed with The top of box body, the box body is equipped with handle, and the front of the box body is equipped with cover board moving up and down, the bottom end of the tube body Be welded with tapered fixing sleeve, the inside of the box body is installed with partition board and funnel, one end of the partition board and funnel it is upper The external side fixed seal connection in end, the madial wall fixed seal connection of upper end the outside other side and box body of the funnel, institute The lower section for being internally located at partition board for stating box body is rotatablely equipped with rotating roller by first rotating shaft, and the external side of the rotating roller is opened Equipped with several grooves, the groove surround the outside for being distributed in rotating roller centered on the central shaft of rotating roller, the funnel Bottom end is in contact with the top of groove, and the outside of the rotating roller is set with idler wheel between two parties, and box body is run through in the bottom of the idler wheel Bottom and rubber wheel top it is inconsistent, the rubber wheel by the second shaft be mounted on tube body inside, the rubber wheel Bottom and montant top it is inconsistent, the montant is arranged in the inside of tube body, and the bottom end of montant is mounted on the interior of cylinder Portion, the cylinder are fixedly mounted on the interior bottom portion of tube body, and the external stability of the montant is equipped with block, and the outside of montant It is arranged with spring, the block and spring are arranged at the inside of cylinder, and the upper end of the spring and the inner roof wall of cylinder offset It touches, and the bottom end of spring and the top of block are inconsistent, the bottom end of the montant sequentially passes through the bottom of cylinder and tapered fixation It set and is fixedly connected at the central upper portion position of tapered head, the tapered head is arranged in the lower section of tapered fixing sleeve, described tapered The side of fixing sleeve is equipped with through-hole, and the through-hole is connected with the bottom end of pipeline, and the pipeline is arranged in the inside of tube body, and manages The upper end in road extends to the interior bottom portion of box body, and the upper end of the pipeline is located at the underface of groove.
Preferably, the upper external of the handle is arranged rubber sleeve, and the outside of rubber sleeve is integrally formed with anti-skid chequer.
Preferably, holding part is integrally formed on the outside of the cover board, the holding part is blocky holding part.
Preferably, the top of the montant has semi-spherical portion, and the cambered surface of semi-spherical portion is set up.
Preferably, bottom centre's point of the central point and rubber wheel on the montant top is not on the same line.
Preferably, the top side of the tapered head is equipped with upright bar, and the upper end of the upright bar has semi-spherical portion, and hemisphere The cambered surface in portion is set up.
Preferably, the axial line of the upright bar and the axial line of through-hole are located along the same line.
Preferably, the inner wall roughness of the surface roughness of the montant and tapered fixing sleeve is no more than Ra0.3.
The technique effect and advantage of the present invention:A kind of sowing suitable for mountain farming plantation proposed by the present invention fills Set, compared with prior art, have it is following a little:
1, of the invention, by being installed with box body in the upper end of tube body, the top of box body is equipped with handle, by the way that handle is arranged Hand makes the device easy to carry, can well adapt to mountainous region sowing operation;
2, of the invention, partition board and funnel are installed with by the inside of box body, outside one end of partition board and the upper end of funnel The fixed seal connection of portion side, the madial wall fixed seal connection of upper end the outside other side and box body of funnel, the inside of box body Rotating roller is rotatablely equipped with by first rotating shaft positioned at the lower section of partition board, the external side of rotating roller offers several grooves, recessed Slot is in contact around the outside for being distributed in rotating roller, the bottom end of funnel with the top of groove centered on the central shaft of rotating roller, The outside of rotating roller is set with idler wheel between two parties, and the bottom of idler wheel is inconsistent through the top of the bottom of box body and rubber wheel, rubber Wheel is mounted on the inside of tube body by the second shaft, and the bottom of rubber wheel and the top of montant are inconsistent, and the one of tapered fixing sleeve Side is equipped with through-hole, and through-hole is connected with the bottom end of pipeline, and pipeline is arranged in the inside of tube body, and the upper end of pipeline extends to box body Interior bottom portion, the upper end of pipeline is located at the underface of groove, and the bottom end of montant sequentially passes through the bottom of cylinder and tapered fixation It covering and is fixedly connected at the central upper portion position of tapered head, tapered head is arranged in the lower section of tapered fixing sleeve, with the above arrangement, When operating the device, tapered head and mountainous region contact, hand-held handle are exerted oneself downwards, and one can be smash out on mountainous region for kind planting The pit-hole of son, while montant can move upwards, when the top of montant is contradicted to rubber wheel, due to montant top central point with Not on the same line, rubber wheel will rotate bottom centre's point of rubber wheel, and idler wheel and rotating roller are driven when rubber wheel rotates It rotates simultaneously, when rotating roller rotates, seed can enter the inside of groove, and when groove goes to bottommost, seed will pass through Pipeline enters the inside of through-hole, is then entered inside pit-hole by through-hole, and when extracting the device, the soil on tapered head top is fallen Enter inside pit-hole, seed is buried, it can be achieved that quickly sowing, effectively improves sowing efficiency, while can effectively mitigate labor Fatigue resistance;
3, of the invention, the bottom end of montant is mounted on to the inside of cylinder, cylinder is fixedly mounted on the interior bottom portion of tube body, erects The external stability of bar is equipped with block, and the outer cover of montant is equipped with spring, and block and spring are arranged at the inside of cylinder, bullet The upper end of spring and the inner roof wall of cylinder are inconsistent, and the bottom end of spring and the top of block are inconsistent so that tapered head and mountainous region When separation, montant can automatically reset, and be effectively increased the practicability of the device.
Description of the drawings
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the sectional view of the present invention;
Fig. 3 is enlarged drawing at the A of the present invention;
Fig. 4 is enlarged drawing at the B of the present invention.
In figure:1, tube body;2, box body;3, handle;4, rubber sleeve;5, holding part;6, cover board;7, tapered fixing sleeve;8, it erects Bar;9, tapered head;10, upright bar;11, groove;12, funnel;13, partition board;14, rotating roller;15, first rotating shaft;16, idler wheel;17、 Rubber wheel;18, the second shaft;19, pipeline;20, through-hole;21, cylinder;22, spring;23, block.
Specific implementation mode
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 describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Herein Described specific embodiment is only used to explain the present invention, is not intended to limit the present invention.Based on the embodiments of the present invention, Every other embodiment obtained by those of ordinary skill in the art without making creative efforts, belongs to this hair The range of bright protection.
The present invention provides a kind of seeding apparatus suitable for mountain farming plantation as shown in Figs 1-4, including tube body 1, the upper end of the tube body 1 is installed with box body 2, and the top of the box body 2 is equipped with handle 3, and the front of the box body 2 is equipped with The bottom end of cover board 6 moving up and down, the tube body 1 is welded with tapered fixing sleeve 7, and the inside of the box body 2 is installed with Partition board 13 and funnel 12, one end of the partition board 13 and side fixed seal connection outside the upper end of funnel 12, the funnel 12 Upper end outside the other side and box body 2 madial wall fixed seal connection, the lower section for being internally located at partition board 13 of the box body 2 leads to It crosses first rotating shaft 15 and is rotatablely equipped with rotating roller 14, the external side of the rotating roller 14 offers several grooves 11, described recessed Slot 11 is centered on the central shaft of rotating roller 14 around the outside for being distributed in rotating roller 14, bottom end and the groove 11 of the funnel 12 Top be in contact, the outside of the rotating roller 14 is set with idler wheel 16 between two parties, and the bottom of box body 2 is run through in the bottom of the idler wheel 16 Portion and the top of rubber wheel 17 are inconsistent, and the rubber wheel 17 is mounted on the inside of tube body 1, the rubber by the second shaft 18 The bottom and the top of montant 8 of wheel 17 are inconsistent, and the montant 8 is arranged in the inside of tube body 1, and the bottom end of montant 8 is mounted on The inside of cylinder 21, the cylinder 21 are fixedly mounted on the interior bottom portion of tube body 1, and the external stability of the montant 8 is equipped with gear Block 23, and the outer cover of montant 8 is equipped with spring 22, the block 23 and spring 22 are arranged at the inside of cylinder 21, the bullet The upper end of spring 22 and the inner roof wall of cylinder 21 are inconsistent, and the bottom end of spring 22 and the top of block 23 are inconsistent, the montant 8 Bottom end sequentially pass through and be fixedly connected at the bottom and tapered fixing sleeve 7 and the central upper portion position of tapered head 9 of cylinder 21, it is described Tapered head 9 is arranged in the lower section of tapered fixing sleeve 7, and the side of the tapered fixing sleeve 7 is equipped with through-hole 20, the through-hole 20 and pipe The bottom end in road 19 is connected, and the pipeline 19 is arranged in the inside of tube body 1, and the upper end of pipeline 19 extends to the inside of box body 2 Bottom, the upper end of the pipeline 19 are located at the underface of groove 11.
Preferably, the upper external of the handle 3 is arranged rubber sleeve 4, and the outside of rubber sleeve 4 be integrally formed with it is anti-skidding Line.
By using above-mentioned technical proposal, rubber sleeve 4 has preferable anti-skidding effect, when can effectively prevent operating the device Hand skids.
Preferably, the outside of the cover board 6 is integrally formed with holding part 5, the holding part 5 is blocky holding part.
By using above-mentioned technical proposal, convenient for being pulled cover board 6 by holding part 5 using finger, convenient for phase box body 2 Inside addition seed.
Preferably, the top of the montant 8 has semi-spherical portion, and the cambered surface of semi-spherical portion is set up.
By using above-mentioned technical proposal, semi-spherical portion can reduce the frictional force between the top of montant 8 and rubber wheel 17.
Preferably, bottom centre's point of the central point on 8 top of the montant and rubber wheel 17 is not on the same line.
By using above-mentioned technical proposal, it is ensured that the top of montant 8 can push rubber wheel 17 to rotate.
Preferably, the top side of the tapered head 9 is equipped with upright bar 10, the upper end of the upright bar 10 has semi-spherical portion, And the cambered surface of semi-spherical portion is set up.
By using above-mentioned technical proposal, upright bar 10 can when tapered head 9 and mountainous region are contacted, because tapered head 9 by The resistance in mountainous region will be close to tapered fixing sleeve 7, to drive upright bar 10 to be inserted into the inside of through-hole 20, can effectively prevent through-hole 20 It is obstructed with soil.
Preferably, the axial line of the upright bar 10 and the axial line of through-hole 20 are located along the same line.
By using above-mentioned technical proposal, it is ensured that upright bar 10 can smoothly enter into the inside of through-hole 20.
Preferably, the inner wall roughness of the surface roughness of the montant 8 and tapered fixing sleeve 7 is no more than Ra0.3.
By using above-mentioned technical proposal, the frictional force between montant 8 and tapered fixing sleeve 7 can be reduced, can be extended The service life of montant 8 and tapered fixing sleeve 7.
Operation principle:The present invention, by being installed with box body 2 in the upper end of tube body 1, the top of box body 2 is equipped with handle 3, make the device easy to carry by the way that handle 3 is arranged, mountainous region sowing operation can be well adapted to;When using the device, Cover board 6 is opened by holding part 5, seed is put into the inside of box body 2, tapered head 9 and mountainous region contact, holds handle 3 downwards Firmly, a pit-hole for planting seed can be smash out on mountainous region, while montant 8 can move upwards, and be supported on the top of montant 8 When contacting rubber wheel 17, due to 8 top of montant central point and rubber wheel 17 bottom centre's point not on the same line, rubber Wheel 17 will rotate, and drive idler wheel 16 and rotating roller 14 to rotate simultaneously when rubber wheel 17 rotates, when rotating roller 14 rotates, seed The inside that groove 11 can be entered, when groove 11 goes to bottommost, seed will enter the inside of through-hole 20 by pipeline 19, so Entered inside pit-hole by through-hole 20 afterwards, it can be achieved that quickly sowing, effectively improves sowing efficiency;The bottom end of montant 8 is mounted on The inside of cylinder 21, cylinder 21 are fixedly mounted on the interior bottom portion of tube body 1, and the external stability of montant 8 is equipped with block 23, and perpendicular The outer cover of bar 8 is equipped with spring 22, and block 23 and spring 22 are arranged at the inside of cylinder 21, upper end and the cylinder 21 of spring 22 Inner roof wall it is inconsistent, and the bottom end of spring 22 and the top of block 23 are inconsistent so that when tapered head 9 and mountainous region detach, erect Bar 8 can automatically reset, and be effectively increased the practicability of the device.
Finally it should be noted that:The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features, All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's Within protection domain.

Claims (8)

1. a kind of seeding apparatus suitable for mountain farming plantation, including tube body (1), it is characterised in that:The tube body (1) Upper end is installed with box body (2), and the top of the box body (2) is equipped with handle (3), the front of the box body (2) be equipped with can on The bottom end of the cover board (6) of lower movement, the tube body (1) is welded with tapered fixing sleeve (7), and peace is fixed in the inside of the box body (2) Equipped with partition board (13) and funnel (12), one end of the partition board (13) connects with side fixing seal outside the upper end of funnel (12) Connect, the madial wall fixed seal connection of the other side and box body (2) outside the upper end of the funnel (12), the box body (2) it is interior The lower section that portion is located at partition board (13) is rotatablely equipped with rotating roller (14), the outside of the rotating roller (14) by first rotating shaft (15) Side offers several grooves (11), and the groove (11) is surround centered on the central shaft of rotating roller (14) and is distributed in rotating roller (14) bottom end of outside, the funnel (12) is in contact with the top of groove (11), and the outside of the rotating roller (14) is placed in the middle It is set with idler wheel (16), the bottom of the idler wheel (16) is inconsistent through the bottom of box body (2) and the top of rubber wheel (17), institute State the inside that rubber wheel (17) is mounted on tube body (1) by the second shaft (18), bottom and the montant (8) of the rubber wheel (17) Top it is inconsistent, the montant (8) setting is in the inside of tube body (1), and the bottom end of montant (8) is mounted on the interior of cylinder (21) Portion, the cylinder (21) are fixedly mounted on the interior bottom portion of tube body (1), and the external stability of the montant (8) is equipped with block (23), and the outer cover of montant (8) is equipped with spring (22), and the block (23) and spring (22) are arranged at the interior of cylinder (21) Portion, the upper end of the spring (22) and the inner roof wall of cylinder (21) are inconsistent, and the bottom end of spring (22) and block (23) is upper Portion is inconsistent, and the bottom end of the montant (8) sequentially passes through bottom and tapered fixing sleeve (7) and the tapered head (9) of cylinder (21) Central upper portion is fixedly connected at position, and the tapered head (9) is arranged in the lower section of tapered fixing sleeve (7), the tapered fixing sleeve (7) side is equipped with through-hole (20), and the through-hole (20) is connected with the bottom end of pipeline (19), and the pipeline (19) is arranged in pipe The inside of body (1), and the upper end of pipeline (19) extends to the interior bottom portion of box body (2), the upper end of the pipeline (19) is positioned at recessed The underface of slot (11).
2. a kind of seeding apparatus suitable for mountain farming plantation according to claim 1, it is characterised in that:Described The upper external of hand (3) is arranged rubber sleeve (4), and the outside of rubber sleeve (4) is integrally formed with anti-skid chequer.
3. a kind of seeding apparatus suitable for mountain farming plantation according to claim 1, it is characterised in that:The lid Holding part (5) is integrally formed on the outside of plate (6), the holding part (5) is blocky holding part.
4. a kind of seeding apparatus suitable for mountain farming plantation according to claim 1, it is characterised in that:It is described perpendicular The top of bar (8) has semi-spherical portion, and the cambered surface of semi-spherical portion is set up.
5. a kind of seeding apparatus suitable for mountain farming plantation according to claim 1, it is characterised in that:It is described perpendicular The central point on bar (8) top and bottom centre's point of rubber wheel (17) are not on the same line.
6. a kind of seeding apparatus suitable for mountain farming plantation according to claim 1, it is characterised in that:The cone The top side of type head (9) is equipped with upright bar (10), and the upper end of the upright bar (10) has a semi-spherical portion, and the cambered surface of semi-spherical portion to Upper setting.
7. a kind of seeding apparatus suitable for mountain farming plantation according to claim 6, it is characterised in that:It is described vertical The axial line of bar (10) and the axial line of through-hole (20) are located along the same line.
8. a kind of seeding apparatus suitable for mountain farming plantation according to claim 1, it is characterised in that:It is described perpendicular The surface roughness of bar (8) and the inner wall roughness of tapered fixing sleeve (7) are no more than Ra0.3.
CN201810465586.7A 2018-05-16 2018-05-16 A kind of seeding apparatus suitable for mountain farming plantation Withdrawn CN108476671A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810465586.7A CN108476671A (en) 2018-05-16 2018-05-16 A kind of seeding apparatus suitable for mountain farming plantation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810465586.7A CN108476671A (en) 2018-05-16 2018-05-16 A kind of seeding apparatus suitable for mountain farming plantation

Publications (1)

Publication Number Publication Date
CN108476671A true CN108476671A (en) 2018-09-04

Family

ID=63352877

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810465586.7A Withdrawn CN108476671A (en) 2018-05-16 2018-05-16 A kind of seeding apparatus suitable for mountain farming plantation

Country Status (1)

Country Link
CN (1) CN108476671A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111742656A (en) * 2020-07-20 2020-10-09 甄侠 Agricultural planting is with manual quick disseminator
CN116438970A (en) * 2023-06-15 2023-07-18 中国科学院西北生态环境资源研究院 Combined operation equipment for sand whip planting

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111742656A (en) * 2020-07-20 2020-10-09 甄侠 Agricultural planting is with manual quick disseminator
CN111742656B (en) * 2020-07-20 2022-08-30 邵斌 Agricultural planting is with manual quick disseminator
CN116438970A (en) * 2023-06-15 2023-07-18 中国科学院西北生态环境资源研究院 Combined operation equipment for sand whip planting
CN116438970B (en) * 2023-06-15 2023-08-29 中国科学院西北生态环境资源研究院 Combined operation equipment for sand whip planting

Similar Documents

Publication Publication Date Title
CN106817978A (en) A kind of equipment during agro-farming for sowing
CN109220088A (en) A kind of efficient seeding apparatus for Snakegourd Fruit plantation
CN108476671A (en) A kind of seeding apparatus suitable for mountain farming plantation
CN207022471U (en) A kind of lower cultivation device of planting garlic
CN205454493U (en) Corn drill that can water
CN109328551B (en) Soil loosening and sowing method using soil loosening and sowing integrated agricultural shovel
CN108990448A (en) A kind of shallot precision drilling fertilizing and weeding all-in-one machine
CN201911022U (en) Portable seeder
CN109565974A (en) Paris polyphylla planting machine
CN105660001A (en) Seeding device
CN206024484U (en) Seedling cultivation ware
CN205596561U (en) Hand -push type sower
CN211047823U (en) Hand-held type seeding and fertilizing machine
CN211671263U (en) Angelica sinensis is planted and is used excavating gear
CN205987722U (en) Vegetable planter
CN202587848U (en) Liquid fertilizer punching hole irrigation device
CN208807037U (en) A kind of shallot precision drilling fertilizing and weeding all-in-one machine
CN103583117B (en) Millet water filling seeder
CN205052133U (en) Simple seeding device
CN205812743U (en) A kind of multifunctional seeder
CN202496190U (en) Portable seeder of maintain crops
CN216392063U (en) Portable vegetable seed seeder
CN214413463U (en) Soybean seeding device capable of achieving uniform seeding
CN213694787U (en) Strawberry planting equipment
CN216722072U (en) Fertilizer injection unit is used to agricultural

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: 20180904