CN108940996A - High-accuracy integrated circuit eccentric cleaning equipment - Google Patents

High-accuracy integrated circuit eccentric cleaning equipment Download PDF

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Publication number
CN108940996A
CN108940996A CN201810843399.8A CN201810843399A CN108940996A CN 108940996 A CN108940996 A CN 108940996A CN 201810843399 A CN201810843399 A CN 201810843399A CN 108940996 A CN108940996 A CN 108940996A
Authority
CN
China
Prior art keywords
pipe
inlet pipe
purge chamber
heat
cleaning
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
CN201810843399.8A
Other languages
Chinese (zh)
Inventor
黄绍炎
张彦平
曾志家
廖许胜
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.)
Guangdong Jinshilan Cleaning Technology Co ltd
Original Assignee
SHENZHEN KED OPTICAL ELECTRIC 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 SHENZHEN KED OPTICAL ELECTRIC TECHNOLOGY Co Ltd filed Critical SHENZHEN KED OPTICAL ELECTRIC TECHNOLOGY Co Ltd
Priority to CN201810843399.8A priority Critical patent/CN108940996A/en
Publication of CN108940996A publication Critical patent/CN108940996A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02Cleaning by the force of jets or sprays
    • B08B3/022Cleaning travelling work
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04Cleaning involving contact with liquid
    • B08B3/10Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • B08B3/12Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/001Drying-air generating units, e.g. movable, independent of drying enclosure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/004Nozzle assemblies; Air knives; Air distributors; Blow boxes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/06Controlling, e.g. regulating, parameters of gas supply
    • F26B21/12Velocity of flow; Quantity of flow, e.g. by varying fan speed, by modifying cross flow area
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/005Treatment of dryer exhaust gases
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B2203/00Details of cleaning machines or methods involving the use or presence of liquid or steam
    • B08B2203/007Heating the liquid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B2203/00Details of cleaning machines or methods involving the use or presence of liquid or steam
    • B08B2203/02Details of machines or methods for cleaning by the force of jets or sprays
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B2203/00Details of cleaning machines or methods involving the use or presence of liquid or steam
    • B08B2203/02Details of machines or methods for cleaning by the force of jets or sprays
    • B08B2203/0217Use of a detergent in high pressure cleaners; arrangements for supplying the same

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

The invention discloses a kind of high-accuracy integrated circuit eccentric cleaning equipment, including purge chamber, cleaning fluid tank, nozzle, the first heat-generating pipe, the second heat-generating pipe, cleaning pipe is centrifuged shaft, drives the motor of centrifugation shaft rotation, the first air inlet pipe and the first water inlet pipe;The clamping element for clamping element to be washed is equipped in purge chamber, clamping element is fixedly connected with centrifugation shaft, and one end of the first water inlet pipe is connect with the second heat-generating pipe, and the other end is connect with nozzle, and nozzle protrudes into purge chamber;One end of first air inlet pipe is connect with the outlet of the first heat-generating pipe, and the other end is connected to the middle part of the first water inlet pipe, and the import of the first heat-generating pipe passes through the second air inlet pipe being equipped with and is air connected with external compression;One end of cleaning pipe is connect with cleaning fluid tank, and the other end protrudes into purge chamber.Its advantages are that cleaning solution and water successively clean element, due to element as eccentric shaft does eccentric motion in purge chamber, can be cleaned comprehensively to element, cleaning effect is good.

Description

High-accuracy integrated circuit eccentric cleaning equipment
Technical field
The present invention relates to cleaning machine, especially a kind of high-accuracy integrated circuit eccentric cleaning equipment.
Background technique
All multi-products such as printed board, electronic circuit component, precision component, medical instrument, wafer and flip-chip are being processed It needs to clean after complete, existing cleaning machine can only clean a face of these products or some position, and other positions are difficult Cleaning;The cleaning that existing cleaning machine can only be simple simultaneously, needs in addition to increase drying device to the product drying after cleaning, because Structure is complicated for this.
Summary of the invention
Present invention aims to solve the deficiencies of the prior art, and provides a kind of a kind of high-accuracy integrated circuit eccentric cleaning equipment.
A kind of technical solution of the invention:
A kind of high-accuracy integrated circuit eccentric cleaning equipment, including purge chamber, cleaning fluid tank, nozzle, the first heat-generating pipe, the Two heat-generating pipes, cleaning pipe are centrifuged shaft, drive the motor of centrifugation shaft rotation, the first air inlet pipe and the first water inlet pipe;Purge chamber Interior to be equipped with the clamping element for clamping element to be washed, clamping element is fixedly connected with centrifugation shaft, one end of the first water inlet pipe and the second hair Heat pipe connection, the other end are connect with nozzle, and nozzle protrudes into purge chamber;The outlet of one end of the first air inlet pipe and the first heat-generating pipe Connection, the other end are connected to the middle part of the first water inlet pipe, and the import of the first heat-generating pipe passes through the second air inlet pipe being equipped with and outside Compressed air connection;The bottom of purge chamber is equipped with drain pipe, and the top of purge chamber is equipped with exhaust pipe, one end of cleaning pipe and cleaning Liquid case connection, the other end protrude into purge chamber.
One kind is Preferable scheme is that be equipped with ultrasonic wave shake plate in purge chamber.
One kind is Preferable scheme is that high-accuracy integrated circuit eccentric cleaning equipment further includes rinse tank, the liquid outlet of rinse tank It is connect by the second water inlet pipe being equipped with the second heat-generating pipe, third heat-generating pipe is equipped in rinse tank.
One kind is Preferable scheme is that high-accuracy integrated circuit eccentric cleaning equipment further includes DI water tank and stoste cabinet, DI water The liquid outlet of case and stoste cabinet is connect with cleaning fluid tank respectively, and the second water inlet pipe is connect by third water inlet pipe with DI water tank, Second air inlet pipe is connect by third air inlet pipe with cleaning fluid tank, and third air inlet pipe protrudes into the bottom of cleaning fluid tank, cleaning solution The 4th heat-generating pipe is equipped in case.
It is a kind of Preferable scheme is that cleaning pipe is successively arranged horizontal pumping from cleaning fluid tank end to purge chamber end, filter and Pneumatic operated valve, filter are connected with normally close valve, are connected with normally open valve between horizontal pumping and filter, normally open valve be connected with pneumatically every Membrane pump.
One kind is Preferable scheme is that be equipped with solenoid valve and speed governing valve in third air inlet pipe.
One kind is Preferable scheme is that be equipped with pneumatic operated valve and needle-valve, between the pneumatic operated valve and needle-valve in first air inlet pipe Equipped with thermocouple.
In summary technical solution, beneficial effects of the present invention: cleaning solution and water successively clean element, due to element with Eccentric shaft eccentric motion is done in purge chamber, therefore element can be cleaned comprehensively, cleaning effect is good;Cleaning, washing It is all completed in purge chamber with drying, cleaning efficiency is high, and cleaning is continuous, and structure is simple;Second heat-generating pipe is to by the water in it Heating, the water after heating flow to nozzle along the first water inlet pipe, and the water after heating washes original part, therefore water washing effect It is good.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention, And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects, features and advantages of the invention can It is clearer and more comprehensible, it is special below to lift preferred embodiment, and cooperate attached drawing, detailed description are as follows.
Detailed description of the invention
Fig. 1 is perspective view one of the invention;
Fig. 2 is perspective view two of the invention;
Fig. 3 is piping diagram of the invention.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase Mutually combination.The present invention is described further with reference to the accompanying drawing.
First embodiment, as shown in Figure 1 to Figure 3, a kind of high-accuracy integrated circuit eccentric cleaning equipment, including purge chamber 10, cleaning fluid tank 20, nozzle 11, the first heat-generating pipe 30, the second heat-generating pipe 40, cleaning pipe 26, centrifugation shaft, drive centrifugation shaft The motor 70 of rotation, the first air inlet pipe 31 and the first water inlet pipe 32;The clamping element 71 for clamping element to be washed is equipped in purge chamber 10, Clamping element 71 is fixedly connected with centrifugation shaft, and centrifugation shaft drives clamping element 71 to do centrifugal movement, one end of the first water inlet pipe 32 It is connect with the second heat-generating pipe 40, the other end is connect with nozzle 11, and nozzle 11 protrudes into purge chamber 10;One end of first air inlet pipe 31 It is connect with the outlet of the first heat-generating pipe 30, the other end is connected to the middle part of the first water inlet pipe 32, and the import of the first heat-generating pipe 30 is logical Cross equipped with the second air inlet pipe 33 be air connected with external compression;The bottom of purge chamber 10 is equipped with drain pipe 12, purge chamber 10 Top is equipped with exhaust pipe 13, and one end of cleaning pipe 26 is connect with cleaning fluid tank 20, and the other end protrudes into purge chamber 10.Cleaning fluid tank 20 are provided with cleaning solution, and cleaning solution enters in purge chamber 10 along cleaning pipe 26 and cleans to the element to be washed in purge chamber 10, Since centrifugation shaft drives clamping element 71 to do eccentric motion, element to be washed does eccentric motion, therefore energy with clamping element 71 together Enough comprehensively to clean up element to be washed, cleaning solution is discharged from drain pipe 12;After cleaning solution has cleaned element to be washed, the Two 40 pairs of heat-generating pipes are by the water heating in it, and the water after heating flows to nozzle 11 along the first water inlet pipe 32, the water after heating Original part is washed, element does eccentric motion with clamping element 71 together at this time, element can be washed comprehensively comprehensively, After having washed, water is discharged from drain pipe 12;After having washed, the first heat-generating pipe 30 heats the air flowed through in it, heating Air afterwards flows in purge chamber 10 along the first air inlet pipe 31, and what element was heated in purge chamber 10 is air-dried, cleaning Extra hot-air is discharged from exhaust pipe 13 in room 10, and exhaust pipe 13 is connected with cooler bin 14, the cooling liquid in cooler bin 14 It is cooling to hot-air.Element can complete cleaning, washing and drying in purge chamber 10, and structure is simple, and continuity is good, efficiency It is high.Ultrasonic wave shake plate is equipped in purge chamber 10.Ultrasonic wave shake plate generates ultrasonic wave, and ultrasonic wave carries out the dirt of element surface clear It washes, increases element cleaning effect.
Second embodiment, as shown in Figure 1 to Figure 3, high-accuracy integrated circuit eccentric cleaning equipment further include rinse tank 50, drift The liquid outlet of tank-washer 50 passes through the second water inlet pipe 51 being equipped with and connect with the second heat-generating pipe 40, and third is equipped in rinse tank 50 and is generated heat Pipe 52.Rinse tank 50 is provided with rinsing liquid, and the second heat-generating pipe 40 heats the rinsing liquid in the second water inlet pipe 51, after heating Rinsing liquid flows to nozzle 11 along the second water inlet pipe 51 and the first water inlet pipe 32, finally sprays to element from nozzle 11, to element into Row rinsing.
3rd embodiment, as shown in Figure 1 to Figure 3, high-accuracy integrated circuit eccentric cleaning equipment further include 61 He of DI water tank The liquid outlet of stoste cabinet 62, DI water tank 61 and stoste cabinet 62 is connect with cleaning fluid tank 20 respectively, and the second water inlet pipe 51 passes through Third water inlet pipe 63 is connect with DI water tank 61, and the second air inlet pipe 33 is connect by third air inlet pipe 21 with cleaning fluid tank 20, and the Three air inlet pipe 21 protrude into the bottom of cleaning fluid tank 20, are equipped with the 4th heat-generating pipe 22 in cleaning fluid tank 20.DI water tank 61 is controlled respectively The volume of stoste, can adjust out the stoste of different solubility in cleaning fluid tank 20 in the volume and stoste cabinet 62 of interior water, 4th heat-generating pipe 22 heats the stoste in cleaning fluid tank 20, and stoste after heating flows to purge chamber 10 and right along cleaning pipe 26 Element cleaning in it.
Specifically, as shown in Figure 1 to Figure 3, cleaning pipe 26 is successively arranged horizontal from 20 end of cleaning fluid tank to 10 end of purge chamber Pumping 23, filter 24 and pneumatic operated valve 25, filter 24 are connected with normally close valve, are connected between horizontal pumping 23 and filter 24 Normally open valve, normally open valve are connected with pneumatic diaphragm pump.
As shown in Figure 1 to Figure 3, solenoid valve 29 and speed governing valve 28 are equipped in third air inlet pipe 21, the air of compression is along the Two air inlet pipe 33 and third air inlet pipe 21 flow in cleaning fluid tank 20, to air-blowing in cleaning fluid tank 20.Solenoid valve 29 can close Third air inlet pipe 21, speed governing valve 28 is adjustable to enter gas flow in cleaning fluid tank 20.
As shown in Figure 1 to Figure 3, be equipped with pneumatic operated valve 25 and needle-valve 27 in the first air inlet pipe 31, pneumatic operated valve 25 and needle-valve 27 it Between be equipped with thermocouple 34.It is first shut off pneumatic operated valve 25 and needle-valve 27, the second 40 pairs of heat-generating pipe is by the water heating in it, after heating Water flow to nozzle 11 along the first water inlet pipe 32, the water after heating washes original part, and element is with clamping element 71 at this time Eccentric motion is done together, element can be washed comprehensively comprehensively, and after having washed, water is discharged from drain pipe 12;Open gas Dynamic valve 25 and needle-valve 27, the first heat-generating pipe 30 heat the air flowed through in it, and the air after heating is along the first air inlet pipe 31 It flows in purge chamber 10, what element was heated in purge chamber 10 is air-dried.
It is a specific embodiment of the invention above, it is noted that for those skilled in the art, Various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as this hair Bright protection scope.

Claims (7)

1. a kind of high-accuracy integrated circuit eccentric cleaning equipment, which is characterized in that including purge chamber, cleaning fluid tank, nozzle, first Heat-generating pipe, the second heat-generating pipe, cleaning pipe are centrifuged shaft, drive the motor of centrifugation shaft rotation, the first air inlet pipe and the first water inlet Pipe;The clamping element for clamping element to be washed is equipped in the purge chamber, the clamping element is fixedly connected with centrifugation shaft, the first water inlet One end of pipe is connect with the second heat-generating pipe, and the other end is connect with nozzle, and the nozzle protrudes into purge chamber;The one of first air inlet pipe End is connect with the outlet of the first heat-generating pipe, and the other end is connected to the middle part of the first water inlet pipe, and the import of first heat-generating pipe is logical Cross equipped with the second air inlet pipe be air connected with external compression;The bottom of the purge chamber is equipped with drain pipe, the purge chamber Top is equipped with exhaust pipe, and one end of the cleaning pipe is connect with cleaning fluid tank, and the other end protrudes into purge chamber.
2. high-accuracy integrated circuit eccentric cleaning equipment according to claim 1, which is characterized in that set in the purge chamber There is ultrasonic wave shake plate.
3. high-accuracy integrated circuit eccentric cleaning equipment according to claim 1, which is characterized in that described high-accuracy integrated Circuit eccentric cleaning equipment further includes rinse tank, and the liquid outlet of the rinse tank passes through the second water inlet pipe being equipped with and the second fever Pipe connection, the rinse tank is interior to be equipped with third heat-generating pipe.
4. high-accuracy integrated circuit eccentric cleaning equipment according to claim 3, which is characterized in that described high-accuracy integrated Circuit eccentric cleaning equipment further includes DI water tank and stoste cabinet, the liquid outlet of the DI water tank and stoste cabinet respectively with cleaning Liquid case connection, second water inlet pipe are connect by third water inlet pipe with DI water tank, and second air inlet pipe passes through third air inlet Pipe is connect with cleaning fluid tank, and third air inlet pipe protrudes into the bottom of cleaning fluid tank, is equipped with the 4th heat-generating pipe in the cleaning fluid tank.
5. high-accuracy integrated circuit eccentric cleaning equipment according to claim 1, which is characterized in that the cleaning pipe is from clear Washing lotion case end to purge chamber end is successively arranged horizontal pumping, filter and pneumatic operated valve, and the filter is connected with normally close valve, described It is connected with normally open valve between horizontal pumping and filter, the normally open valve is connected with pneumatic diaphragm pump.
6. high-accuracy integrated circuit eccentric cleaning equipment according to claim 4, which is characterized in that the third air inlet pipe It is interior to be equipped with solenoid valve and speed governing valve.
7. high-accuracy integrated circuit eccentric cleaning equipment according to claim 4, which is characterized in that first air inlet pipe It is interior to be equipped with pneumatic operated valve and needle-valve, thermocouple is equipped between the pneumatic operated valve and needle-valve.
CN201810843399.8A 2018-07-27 2018-07-27 High-accuracy integrated circuit eccentric cleaning equipment Pending CN108940996A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810843399.8A CN108940996A (en) 2018-07-27 2018-07-27 High-accuracy integrated circuit eccentric cleaning equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810843399.8A CN108940996A (en) 2018-07-27 2018-07-27 High-accuracy integrated circuit eccentric cleaning equipment

Publications (1)

Publication Number Publication Date
CN108940996A true CN108940996A (en) 2018-12-07

Family

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Application Number Title Priority Date Filing Date
CN201810843399.8A Pending CN108940996A (en) 2018-07-27 2018-07-27 High-accuracy integrated circuit eccentric cleaning equipment

Country Status (1)

Country Link
CN (1) CN108940996A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5224503A (en) * 1992-06-15 1993-07-06 Semitool, Inc. Centrifugal wafer carrier cleaning apparatus
WO2003006183A2 (en) * 2001-07-12 2003-01-23 Semitool, Inc. Method and apparatus for cleaning semiconductor wafers and other flat media
CN101559428A (en) * 2008-04-18 2009-10-21 株式会社迪思科 Rotary washing device and processing device
CN102139270A (en) * 2010-12-23 2011-08-03 西安隆基硅材料股份有限公司 Silicon chip cleaning dryer and method for cleaning and drying broken wire silicon chip in multi-wire cutting
CN104889095A (en) * 2015-05-11 2015-09-09 北京泰拓精密清洗设备有限公司 Multifunctional cleaning mechanism, cleaning technology and modular combined type cleaning working station
CN107030055A (en) * 2017-06-21 2017-08-11 苏州司达夫超声科技有限公司 A kind of full-automatic multi-functional cleans all-in-one
CN208643458U (en) * 2018-07-27 2019-03-26 深圳市凯尔迪光电科技有限公司 High-accuracy integrated circuit eccentric cleaning equipment

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5224503A (en) * 1992-06-15 1993-07-06 Semitool, Inc. Centrifugal wafer carrier cleaning apparatus
WO2003006183A2 (en) * 2001-07-12 2003-01-23 Semitool, Inc. Method and apparatus for cleaning semiconductor wafers and other flat media
CN101559428A (en) * 2008-04-18 2009-10-21 株式会社迪思科 Rotary washing device and processing device
CN102139270A (en) * 2010-12-23 2011-08-03 西安隆基硅材料股份有限公司 Silicon chip cleaning dryer and method for cleaning and drying broken wire silicon chip in multi-wire cutting
CN104889095A (en) * 2015-05-11 2015-09-09 北京泰拓精密清洗设备有限公司 Multifunctional cleaning mechanism, cleaning technology and modular combined type cleaning working station
CN107030055A (en) * 2017-06-21 2017-08-11 苏州司达夫超声科技有限公司 A kind of full-automatic multi-functional cleans all-in-one
CN208643458U (en) * 2018-07-27 2019-03-26 深圳市凯尔迪光电科技有限公司 High-accuracy integrated circuit eccentric cleaning equipment

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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: 20200410

Address after: 523000 1st floor, building a, No. 16, huangjinhu Industrial Zone, songmushan village, Dalang Town, Dongguan City, Guangdong Province

Applicant after: Guangdong keldi Cleaning Technology Co.,Ltd.

Address before: 518000 Guangdong province Shenzhen Guangming New District Office of Gongming Tian Liao community of guangqiao road hi tech park first (Guangming hi tech Park West Area) third floor No. 1

Applicant before: SHENZHEN KED OPTICAL ELECTRIC TECHNOLOGY Co.,Ltd.

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

Effective date of registration: 20221212

Address after: 523770 Room 101, No. 6, jinjinhu industrial 1st Road, songmushan, Dalang Town, Dongguan City, Guangdong Province

Applicant after: Guangdong jinshilan Cleaning Technology Co.,Ltd.

Address before: 523000 1st floor, building a, No.16, huangjinhu Industrial Zone, songmushan village, Dalang Town, Dongguan City, Guangdong Province

Applicant before: Guangdong keldi Cleaning Technology Co.,Ltd.

RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20181207