CN111085054A - Sliding clamping respirator - Google Patents

Sliding clamping respirator Download PDF

Info

Publication number
CN111085054A
CN111085054A CN201911379052.3A CN201911379052A CN111085054A CN 111085054 A CN111085054 A CN 111085054A CN 201911379052 A CN201911379052 A CN 201911379052A CN 111085054 A CN111085054 A CN 111085054A
Authority
CN
China
Prior art keywords
plate
sliding
annular
filter screen
periphery
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911379052.3A
Other languages
Chinese (zh)
Inventor
储祥华
周进
张伟伟
何菁菁
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.)
Jiangsu Haituo Technology Co ltd
Original Assignee
Jiangsu Haituo 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 Jiangsu Haituo Technology Co ltd filed Critical Jiangsu Haituo Technology Co ltd
Priority to CN201911379052.3A priority Critical patent/CN111085054A/en
Publication of CN111085054A publication Critical patent/CN111085054A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0002Casings; Housings; Frame constructions
    • B01D46/0005Mounting of filtering elements within casings, housings or frames
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

The invention discloses a sliding clamping respirator, which comprises a shell, a closed telescopic pipe, an elastic filter screen, an adjusting assembly and a partition plate, wherein the shell is provided with a clamping groove; the elastic filter screen is respectively inserted into the insertion grooves of the sliding plate and the positioning plate through the insertion teeth on the two sides of the sealing plate at the upper end and the perforated plate at the lower end, so that a connecting structure in sliding and clamping connection is formed, and the elastic filter screen is very fast and convenient to mount and dismount.

Description

Sliding clamping respirator
Technical Field
The invention relates to a sliding clamping respirator.
Background
The respirator is generally installed on the crushing chamber or the pipeline of rubbing crusher for discharge gas, filter the dust, reduce the dust pollution of external environment, but current respirator generally is at the internally mounted cylindricality filter body of casing, reaches filterable purpose behind the cylindricality filter body through the air current, but the filterable precision can not generally be adjusted to foretell filtration, need adjust different filtration pores according to the impurity particle size of difference, reach the filterable purpose of efficient, it is inconvenient in addition to filter the body and change, influences the operating efficiency.
Disclosure of Invention
Aiming at the defects of the prior art, the invention solves the problems that: the sliding clamping respirator is convenient to disassemble and replace and high in filtering efficiency.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a sliding clamping respirator comprises a shell, a closed telescopic pipe, an elastic filter screen, an adjusting assembly and a partition plate; an air inlet pipe is arranged at the upper end of the shell; a filter cavity is arranged inside the shell; the partition plate is arranged at the upper end of the inside of the shell; the upper end of the partition plate is provided with an air inlet cavity; the periphery of the partition plate is provided with upper annular air vents; the adjusting component comprises a sliding plate, a guide thread cylinder, a guide thread column, a positioning plate and a lower sealing telescopic pipe; the sliding plate and the positioning plate are respectively arranged in the shell up and down; the sliding plate is positioned below the partition plate; a telescopic cavity is arranged between the partition plate and the sliding plate; the air inlet cavity is communicated with the telescopic cavity through an upper annular air vent of the partition plate; a closed telescopic pipe is arranged in the middle between the partition plate and the sliding plate; the outer sides of the periphery of the sliding plate are arranged on the inner wall of the shell in a vertically sliding mode; the outer sides of the periphery of the positioning plate are fixedly arranged at the lower end in the shell; an elastic filter screen is arranged in the middle between the sliding plate and the positioning plate; the lower sealing telescopic pipe is arranged on the outer side of the periphery of the elastic filter screen and is positioned between the sliding plate and the positioning plate; an annular vent groove is arranged between the lower sealing telescopic pipe and the elastic filter screen; the sliding plate is provided with a lower annular vent hole which is positioned around the upper end of the annular vent groove; the telescopic cavity is communicated with the annular vent groove through a lower annular vent hole on the sliding plate; an annular adjusting groove is arranged between the lower sealing telescopic pipe and the inner wall of the shell; two sides of the annular adjusting groove are respectively provided with a guide thread cylinder and a guide thread column; the upper end of the guide threaded cylinder is arranged on the lower end surface of the sliding plate, and the lower end of the guide threaded column is arranged on the upper end surface of the positioning plate; the upper end of the guide threaded column is in threaded connection with the inner part of the lower end of the guide threaded cylinder; the lower end of the guide threaded column is rotationally clamped on the upper end surface of the positioning plate; an exhaust pipe is arranged in the middle of the lower end of the positioning plate; the upper end of the exhaust pipe is communicated with the interior of the elastic filter screen, and the lower end of the exhaust pipe extends to the outer side of the lower end of the shell; the upper end of the elastic filter screen is provided with a sealing plate, and the lower end of the elastic filter screen is provided with a porous plate; the upper end of the sealing plate and the two sides of the lower end of the porous plate are respectively provided with an inserting tooth; inserting grooves are formed in both sides of the lower end of the sliding plate and both sides of the upper end of the positioning plate; the elastic filter screen is respectively inserted into the insertion grooves of the sliding plate and the positioning plate through the insertion teeth on the two sides of the closing plate at the upper end and the perforated plate at the lower end; the periphery of the lower end of the porous plate is connected with the upper end face of the exhaust pipe in a sealing mode through a sealing ring.
Furthermore, the upper end surface of the partition plate is of an upward-bulging arc-shaped structure.
Furthermore, two sides of the annular adjusting groove are provided with adjusting gaps.
Furthermore, the elastic filter screen is of an annular cylinder structure.
Furthermore, sliding grooves are formed in the periphery of the inner wall of the shell; the outer sides of the periphery of the sliding plate are in sliding contact with the sliding groove of the shell.
Furthermore, the closed extension tube is made of a corrugated tube material.
Further, the device also comprises an upper sealing telescopic pipe; the upper sealing telescopic pipe is arranged at the outer side of the periphery of the closed telescopic pipe; the upper end of the upper sealing telescopic pipe is connected to the periphery of the lower end face of the partition plate, and the upper end of the upper sealing telescopic pipe is positioned on the outer side of the periphery of the upper annular air vent; the lower end of the upper sealing telescopic pipe is connected to the periphery of the upper end face of the sliding plate, and the lower end of the upper sealing telescopic pipe is positioned on the outer side of the periphery of the lower annular air vent.
Furthermore, an annular discharge groove is formed in the positioning plate; the annular discharge groove is positioned below the annular vent groove between the lower sealing telescopic pipe and the elastic filter screen; the annular discharge groove is provided with an opening and closing ring body.
Furthermore, the elastic filter screen is spandex filter screen yarn.
The invention has the advantages of
1. The elastic filter screen is respectively inserted into the insertion grooves of the sliding plate and the positioning plate through the insertion teeth on the two sides of the sealing plate at the upper end and the perforated plate at the lower end, so that a connecting structure in sliding and clamping connection is formed, and the elastic filter screen is very fast and convenient to mount and dismount.
2. The structure of the traditional respirator is changed, the guide threaded cylinder is rotated on the guide threaded cylinder through the guide threaded column, so that the guide threaded cylinder is driven to stretch and move up and down, the sliding plate is driven to move up and down, the elastic filter screen is driven to stretch up and down through the sliding plate, and when the upper end of the elastic filter screen is driven to move up through the sliding plate, the elastic filter screen is stretched, so that the pores on the elastic filter screen are enlarged, the air flow is accelerated, and the diameter of filterable particles is increased; when the upper end of the elastic filter screen is moved downwards by the sliding plate, the elastic filter screen can be compressed, so that the pores on the elastic filter screen are reduced, the flow rate of air flow is reduced, the diameter of filterable particles is reduced, the adjustment of adaptation can be carried out, and the operation efficiency is higher.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged schematic view of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 2, a sliding clamping respirator comprises a shell 1, a closed extension tube 2, an elastic filter screen 6, an adjusting component 4 and a partition plate 3; an air inlet pipe 11 is arranged at the upper end of the shell 1; a filter cavity is arranged in the shell 1; the partition plate 3 is arranged at the upper end of the interior of the shell 1; the upper end of the partition plate 3 is provided with an air inlet cavity 12; the periphery of the partition plate 3 is provided with an upper annular vent 31; the adjusting component 4 comprises a sliding plate 41, a guide threaded cylinder 44, a guide threaded column 45, a positioning plate 43 and a lower sealing telescopic pipe 42; the sliding plate 41 and the positioning plate 43 are respectively arranged in the shell 1 from top to bottom; the sliding plate 41 is positioned below the partition plate 3; a telescopic cavity 13 is arranged between the partition plate 41 and the sliding plate; the air inlet cavity 12 is communicated with the telescopic cavity 13 through an upper annular vent 31 of the partition plate 3; a closed extension tube 2 is arranged in the middle between the partition plate 3 and the sliding plate 41; the outer sides of the periphery of the sliding plate 41 are arranged on the inner wall of the shell 1 in a vertically sliding mode; the outer sides of the periphery of the positioning plate 43 are fixedly arranged at the lower end in the shell 1; the elastic filter screen 6 is arranged in the middle between the sliding plate 41 and the positioning plate 43; the lower sealing telescopic pipe 42 is arranged on the outer side of the periphery of the elastic filter screen 6 and is positioned between the sliding plate 41 and the positioning plate 43; an annular vent groove 14 is arranged between the lower sealing extension tube 42 and the elastic filter screen 6; the sliding plate 41 is provided with a lower annular vent 411, and the lower annular vent 411 is positioned around the upper end of the annular vent groove 14; the telescopic cavity 13 is communicated with the annular vent groove 14 through a lower annular vent hole 411 on the sliding plate 41; an annular adjusting groove 15 is arranged between the lower sealing telescopic pipe 42 and the inner wall of the shell 1; a guide thread cylinder 44 and a guide thread column 45 are respectively arranged on two sides of the annular adjusting groove 15; the upper end of the guide screw cylinder 44 is arranged on the lower end surface of the sliding plate 41, and the lower end of the guide screw column 45 is arranged on the upper end surface of the positioning plate 43; the upper end of the guide thread column 45 is in threaded connection with the inner part of the lower end of the guide thread cylinder 44; the lower end of the guide threaded column 45 is rotationally clamped on the upper end surface of the positioning plate 43; the middle of the lower end of the positioning plate 43 is provided with an exhaust pipe 16; the upper end of the exhaust pipe 16 is communicated with the interior of the elastic filter screen 6, and the lower end of the exhaust pipe 16 extends to the outer side of the lower end of the shell 1. The upper end of the elastic filter screen 6 is provided with a closing plate 61, and the lower end is provided with a perforated plate 62; the upper end of the closing plate 61 and the two sides of the lower end of the porous plate 62 are respectively provided with an inserting tooth 63; the two sides of the lower end of the sliding plate 41 and the two sides of the upper end of the positioning plate 43 are both provided with inserting grooves 7; the elastic filter screen 6 is respectively inserted into the insertion grooves 7 of the sliding plate 41 and the positioning plate 43 through the insertion teeth 63 on the two sides of the closing plate 61 at the upper end and the perforated plate 62 at the lower end; the periphery of the lower end of the porous plate 62 is hermetically connected with the upper end surface of the exhaust pipe 16 by a sealing ring 621. The lower part of the positioning plate 43 forms a material collecting cavity with the shell and the outer side of the periphery of the exhaust pipe 16.
As shown in fig. 1 to 2, it is further preferable that the upper end surface of the partition plate 3 has an upwardly-bulged arc structure. Further, two sides of the annular adjusting groove 15 are provided with adjusting notches 151. Furthermore, the elastic filter screen 6 is in an annular cylinder structure. Furthermore, sliding grooves 17 are formed in the periphery of the inner wall of the shell 1; the outer sides of the four sides of the slide plate 41 are in slide contact with the slide groove 17 of the housing 1. Further, the closed extension tube 2 is made of a corrugated tube material. Further, the device also comprises an upper sealing telescopic pipe 5; the upper sealing telescopic pipe 5 is arranged at the outer side of the periphery of the closed telescopic pipe 2; the upper end of the upper sealing telescopic pipe 5 is connected to the periphery of the lower end face of the partition plate 3, and the upper end of the upper sealing telescopic pipe 5 is positioned on the outer side of the periphery of the upper annular vent 31; the lower end of the upper sealing telescopic pipe 5 is connected to the periphery of the upper end face of the sliding plate 41, and the lower end of the upper sealing telescopic pipe 5 is positioned at the outer side of the periphery of the lower annular air vent 411. Further, an annular discharge groove 431 is formed in the positioning plate 43; the annular discharge groove 431 is positioned below the annular vent groove 14 between the lower sealing extension tube 42 and the elastic filter screen 6; an opening and closing ring body 431 is arranged on the annular discharge groove 431, and the opening and closing ring body 431 can be made of rubber materials. Furthermore, the elastic filter screen 6 is spandex filter screen yarn.
The air flow path of the invention is as follows: the air inlet pipe 11, the air inlet cavity 12, the upper annular air vent 31, the telescopic cavity 13, the lower annular air vent 411, the annular air vent groove 14, the elastic filter screen 6 and the exhaust pipe 16.
The elastic filter screen 6 is respectively inserted into the insertion grooves 7 of the sliding plate 41 and the positioning plate 43 through the insertion teeth 63 at two sides of the closing plate 61 at the upper end and the perforated plate 62 at the lower end, so that a connection structure of sliding clamping is formed, and the elastic filter screen 6 is very fast and convenient to mount and dismount; the structure of the traditional respirator is changed, the guide threaded cylinder 44 is driven to stretch and move up and down by the rotation of the guide threaded column 45 on the guide threaded cylinder 44, so that the sliding plate 41 is driven to move up and down, the elastic filter screen 6 is driven to stretch up and down by the sliding plate 41, and when the sliding plate 41 drives the upper end of the elastic filter screen 6 to move up, the elastic filter screen 6 is stretched, so that the pores on the elastic filter screen 6 are enlarged, the flow of air flow is accelerated, and the diameter of filterable particles is increased; when the sliding plate 41 drives the upper end of the elastic filter screen 6 to move downwards, the elastic filter screen 6 is compressed, so that the pores on the elastic filter screen 6 become smaller, the flow rate of the air flow is reduced, the diameter of the filterable particles is reduced, the adjustment can be performed adaptively, and the operation efficiency is higher.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (9)

1. A sliding clamping respirator is characterized by comprising a shell, a closed telescopic pipe, an elastic filter screen, an adjusting assembly and a partition plate; an air inlet pipe is arranged at the upper end of the shell; a filter cavity is arranged inside the shell; the partition plate is arranged at the upper end of the inside of the shell; the upper end of the partition plate is provided with an air inlet cavity; the periphery of the partition plate is provided with upper annular air vents; the adjusting component comprises a sliding plate, a guide thread cylinder, a guide thread column, a positioning plate and a lower sealing telescopic pipe; the sliding plate and the positioning plate are respectively arranged in the shell up and down; the sliding plate is positioned below the partition plate; a telescopic cavity is arranged between the partition plate and the sliding plate; the air inlet cavity is communicated with the telescopic cavity through an upper annular air vent of the partition plate; a closed telescopic pipe is arranged in the middle between the partition plate and the sliding plate; the outer sides of the periphery of the sliding plate are arranged on the inner wall of the shell in a vertically sliding mode; the outer sides of the periphery of the positioning plate are fixedly arranged at the lower end in the shell; an elastic filter screen is arranged in the middle between the sliding plate and the positioning plate; the lower sealing telescopic pipe is arranged on the outer side of the periphery of the elastic filter screen and is positioned between the sliding plate and the positioning plate; an annular vent groove is arranged between the lower sealing telescopic pipe and the elastic filter screen; the sliding plate is provided with a lower annular vent hole which is positioned around the upper end of the annular vent groove; the telescopic cavity is communicated with the annular vent groove through a lower annular vent hole on the sliding plate; an annular adjusting groove is arranged between the lower sealing telescopic pipe and the inner wall of the shell; two sides of the annular adjusting groove are respectively provided with a guide thread cylinder and a guide thread column; the upper end of the guide threaded cylinder is arranged on the lower end surface of the sliding plate, and the lower end of the guide threaded column is arranged on the upper end surface of the positioning plate; the upper end of the guide threaded column is in threaded connection with the inner part of the lower end of the guide threaded cylinder; the lower end of the guide threaded column is rotationally clamped on the upper end surface of the positioning plate; an exhaust pipe is arranged in the middle of the lower end of the positioning plate; the upper end of the exhaust pipe is communicated with the interior of the elastic filter screen, and the lower end of the exhaust pipe extends to the outer side of the lower end of the shell; the upper end of the elastic filter screen is provided with a sealing plate, and the lower end of the elastic filter screen is provided with a porous plate; the upper end of the sealing plate and the two sides of the lower end of the porous plate are respectively provided with an inserting tooth; inserting grooves are formed in both sides of the lower end of the sliding plate and both sides of the upper end of the positioning plate; the elastic filter screen is respectively inserted into the insertion grooves of the sliding plate and the positioning plate through the insertion teeth on the two sides of the closing plate at the upper end and the perforated plate at the lower end; the periphery of the lower end of the porous plate is connected with the upper end face of the exhaust pipe in a sealing mode through a sealing ring.
2. The slide and clamp respirator of claim 1, wherein the upper end surface of the divider panel is in the form of an upwardly convex arc.
3. The slide and clamp respirator of claim 1, wherein the annular adjustment slot is provided with adjustment notches on both sides.
4. The slide and clamp respirator of claim 1, wherein the flexible filter web is in the form of an annular cylinder.
5. The slide and clamp respirator of claim 1, wherein the inner wall of the housing has a sliding groove around it; the outer sides of the periphery of the sliding plate are in sliding contact with the sliding groove of the shell.
6. The slide and clamp respirator of claim 1, wherein the closed bellows is made of a bellows material.
7. The slide and clamp respirator of claim 1, further comprising an upper sealing bellows; the upper sealing telescopic pipe is arranged at the outer side of the periphery of the closed telescopic pipe; the upper end of the upper sealing telescopic pipe is connected to the periphery of the lower end face of the partition plate, and the upper end of the upper sealing telescopic pipe is positioned on the outer side of the periphery of the upper annular air vent; the lower end of the upper sealing telescopic pipe is connected to the periphery of the upper end face of the sliding plate, and the lower end of the upper sealing telescopic pipe is positioned on the outer side of the periphery of the lower annular air vent.
8. The sliding clamp respirator of claim 1, wherein the positioning plate is provided with an annular discharge groove; the annular discharge groove is positioned below the annular vent groove between the lower sealing telescopic pipe and the elastic filter screen; the annular discharge groove is provided with an opening and closing ring body.
9. The slide and latch respirator of claim 1 wherein the resilient filter web is a spandex filter screen gauze.
CN201911379052.3A 2019-12-27 2019-12-27 Sliding clamping respirator Pending CN111085054A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911379052.3A CN111085054A (en) 2019-12-27 2019-12-27 Sliding clamping respirator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911379052.3A CN111085054A (en) 2019-12-27 2019-12-27 Sliding clamping respirator

Publications (1)

Publication Number Publication Date
CN111085054A true CN111085054A (en) 2020-05-01

Family

ID=70397482

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911379052.3A Pending CN111085054A (en) 2019-12-27 2019-12-27 Sliding clamping respirator

Country Status (1)

Country Link
CN (1) CN111085054A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113679972A (en) * 2021-07-29 2021-11-23 江苏海拓科技有限公司 Rotary chemical oxygen respirator
CN116077848A (en) * 2023-02-27 2023-05-09 江苏海拓科技有限公司 Double-deck floating filter type respirator

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203750706U (en) * 2014-04-16 2014-08-06 河北科技大学 Quick separating dehydrator
CN206121377U (en) * 2016-10-26 2017-04-26 粉瑞得制药设备(上海)有限公司 Respirator
CN207342382U (en) * 2017-08-19 2018-05-11 上海成东科技有限公司 Evaporator automatically controls respirator

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203750706U (en) * 2014-04-16 2014-08-06 河北科技大学 Quick separating dehydrator
CN206121377U (en) * 2016-10-26 2017-04-26 粉瑞得制药设备(上海)有限公司 Respirator
CN207342382U (en) * 2017-08-19 2018-05-11 上海成东科技有限公司 Evaporator automatically controls respirator

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113679972A (en) * 2021-07-29 2021-11-23 江苏海拓科技有限公司 Rotary chemical oxygen respirator
CN113679972B (en) * 2021-07-29 2022-04-05 江苏海拓科技有限公司 Rotary chemical oxygen respirator
CN116077848A (en) * 2023-02-27 2023-05-09 江苏海拓科技有限公司 Double-deck floating filter type respirator
CN116077848B (en) * 2023-02-27 2023-10-20 江苏海拓科技有限公司 Double-deck floating filter type respirator

Similar Documents

Publication Publication Date Title
CN110960939A (en) Telescopic respirator
CN111085054A (en) Sliding clamping respirator
CN108784522B (en) Cyclone separator and dust collector
CN111167031B (en) Baffle filtering respirator
CN220125788U (en) Core replacing structure of air filter
CN208406469U (en) A kind of air cleaner
CN210188007U (en) Front end structure of suction fan for laboratory
CN219281981U (en) Compressor with multistage filter device
CN211202222U (en) Novel filter for pump
CN220899861U (en) Vacuum pump filter
CN216755785U (en) Dust-removing crusher
CN118188548B (en) Air blower with air cooling effect
CN219472443U (en) Filter fan convenient to installation and use
CN220092371U (en) Pole piece dust collector
CN211737576U (en) Air inlet flow guide device of small centrifugal fan
CN216009556U (en) Air flow control device with filtering function
CN221483761U (en) Negative pressure ward air supply purification device
CN215928095U (en) Filtration formula vacuum chuck
CN218420509U (en) Portable ultraviolet purification device
CN215713633U (en) Add bullet machine air purification device
CN216050983U (en) Chemical industry safety environmental protection gas sampling device
CN220513777U (en) Anesthetic gas adsorber
CN219722306U (en) Air filtering equipment with filter element convenient to replace
CN219023674U (en) Oxygen generator of medical molecular sieve oxygen generator
CN221491877U (en) Adsorption filter with filter element convenient to replace

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
RJ01 Rejection of invention patent application after publication

Application publication date: 20200501

RJ01 Rejection of invention patent application after publication