Nothing Special   »   [go: up one dir, main page]

CN204321353U - The multi-direction rotation work tin soldering machine of a kind of turning tool - Google Patents

The multi-direction rotation work tin soldering machine of a kind of turning tool Download PDF

Info

Publication number
CN204321353U
CN204321353U CN201420777499.2U CN201420777499U CN204321353U CN 204321353 U CN204321353 U CN 204321353U CN 201420777499 U CN201420777499 U CN 201420777499U CN 204321353 U CN204321353 U CN 204321353U
Authority
CN
China
Prior art keywords
flatiron
connecting gear
axis connecting
welding
bull
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Withdrawn - After Issue
Application number
CN201420777499.2U
Other languages
Chinese (zh)
Inventor
吴水鱼
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 CN201420777499.2U priority Critical patent/CN204321353U/en
Application granted granted Critical
Publication of CN204321353U publication Critical patent/CN204321353U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

Links

Landscapes

  • Electric Connection Of Electric Components To Printed Circuits (AREA)

Abstract

The multi-direction rotation work tin soldering machine of the turning tool of one of the present utility model, comprises machinery panel, material table, Y-axis connecting gear, switching mechanism, welding support, X-axis connecting gear, bull independently controls welding mechanism, scruff box, welding stage case, flatiron fixed block, flatiron, slide rail guiding Buffer Unit, the oblique angle adjusting mechanism in flatiron left and right, front and back rotate adjustment support and cylinder transferred by flatiron.The utility model can arrange the quantity of switching mechanism and Y-axis connecting gear according to material loading time and scolding tin Time dependent, match use by being provided with more than one switching mechanism and Y-axis connecting gear, it is made can automatically to carry out 180 degree of upsets to the wiring board after material loading, make bull independently control welding mechanism and can carry out Non-intermittent scolding tin, operating efficiency is high, flatiron is rotated by front and back and regulates support can regulate operating angle oblique arbitrarily before and after it, operating angle oblique arbitrarily about can regulating it by the oblique angle adjusting mechanism in flatiron left and right, flexibility is strong, effective.

Description

The multi-direction rotation work tin soldering machine of a kind of turning tool
Technical field
The utility model relates to the multi-direction rotation work tin soldering machine of a kind of turning tool.
Background technology
Completely welding mechanism can only single angle adjustment its welding direction, operate very inconvenient, very flexible, seriously limits the adjustment in scolding tin direction, and scolding tin limitation is large; During scolding tin work, after a workpiece scolding tin is complete, just must wait the workpiece blanking of scolding tin to be done, then wait for new workpiece feeding again, cause the scolding tin work period long, the scolding tin intermittent time is long, had a strong impact on the job schedule of scolding tin, inefficiency, cost is high.Therefore, the deficiency of above-mentioned technical problem is there is for traditional welding mechanism, the applicant researches and develops and a kind ofly can arrange the quantity of switching mechanism and Y-axis connecting gear according to material loading time and scolding tin Time dependent, match use by being provided with more than one switching mechanism and more than one Y-axis connecting gear, it is made can automatically to carry out 180 degree of upsets to the wiring board after material loading, when one of them switching mechanism be sent on Y-axis connecting gear carry out scolding tin under bull independently controls welding mechanism time, other switching mechanism Y-axis connecting gear upload send to row scolding tin complete after blanking and new line plate material loading automatic turning operation, make bull independently control welding mechanism and can carry out Non-intermittent scolding tin, thus greatly promote operating efficiency, flatiron is rotated by front and back and regulates support can regulate oblique before and after it arbitrarily angled to work, can be regulated by the oblique angle adjusting mechanism in flatiron left and right that its left and right is oblique arbitrarily angled to work, it achieves and can carry out arbitrarily angled scolding tin to wiring board, flexibility is strong, effective, cost is low, be conducive to industrialization fast development, use simple, the multi-direction rotation work tin soldering machine of the turning tool of the one being convenient to extensively promote the use of really belongs to necessary.
Summary of the invention
The technical problems to be solved in the utility model is to provide and a kind ofly can arranges the quantity of switching mechanism and Y-axis connecting gear according to material loading time and scolding tin Time dependent, match use by being provided with more than one switching mechanism and more than one Y-axis connecting gear, it is made can automatically to carry out 180 degree of upsets to the wiring board after material loading, when one of them switching mechanism be sent on Y-axis connecting gear carry out scolding tin under bull independently controls welding mechanism time, other switching mechanism Y-axis connecting gear upload send to row scolding tin complete after blanking and new line plate material loading automatic turning operation, make bull independently control welding mechanism and can carry out Non-intermittent scolding tin, thus greatly promote operating efficiency, flatiron is rotated by front and back and regulates support can regulate oblique before and after it arbitrarily angled to work, can be regulated by the oblique angle adjusting mechanism in flatiron left and right that its left and right is oblique arbitrarily angled to work, it achieves and can carry out arbitrarily angled scolding tin to wiring board, flexibility is strong, effective, cost is low, be conducive to industrialization fast development, use simple, the multi-direction rotation work tin soldering machine of the turning tool being convenient to extensively promote the use of.The utility model is achieved through the following technical solutions:
The multi-direction rotation work tin soldering machine of a kind of turning tool, comprise machinery panel, and the material table be arranged on before machinery panel, and be longitudinally arranged on the Y-axis connecting gear of material table upper surface, and slide anteroposterior is arranged on the switching mechanism on Y-axis connecting gear, and the welding support be arranged on above material table, and be arranged on the X-axis connecting gear at welding support top, and before being arranged on X-axis connecting gear, the bull that can horizontally slip independently controls welding mechanism, and be arranged on welding support left end, for blowing the scruff box that tin reclaims or solder horn carried out to tin process clearly to flatiron, and the welding stage case be arranged on the right side of welding support, the installation that described bull independently controls welding mechanism and X-axis connecting gear is connected with Z axis connecting gear, described bull independently controls welding mechanism and comprises flatiron fixed block, and be mounted on flatiron or the electric screwdriver of flatiron fixed block lower end, and the slide rail guiding Buffer Unit be vertically set in the middle part of flatiron fixed block, and before being arranged on slide rail guiding Buffer Unit top, for regulating the oblique angle adjusting mechanism in flatiron left and right of the oblique operating angle in the left and right of flatiron, and be arranged between two oblique angle adjusting mechanisms in flatiron left and right, support is regulated for regulating the front and back of the oblique operating angle in the front and back of flatiron to rotate, and be arranged on after slide rail guiding Buffer Unit, for pushing the flatiron transfer cylinder of flatiron fixed block.
As preferably, described Y-axis connecting gear is provided with more than one, and described switching mechanism is provided with more than one, and described bull independently controls welding mechanism and is provided with more than one; Each described bull independently controls welding mechanism and is provided with more than one flatiron, and more than one described flatiron can according to the single work of requirements of one's work or more than two parallel runnings; Described switching mechanism can carry out 180 degree of upsets by Automatic Control wiring board.
As preferably, when one of them switching mechanism independently controls to carry out scolding tin under welding mechanism bull, switching mechanism described in other carries out blanking reclaimer operation or virgin material material loading conveying operations by Y-axis connecting gear, and carries out automatic turning to virgin material.
The multi-direction rotation work tin soldering machine of the turning tool of one of the present utility model, comprise machinery panel, and the material table be arranged on before machinery panel, and be longitudinally arranged on the Y-axis connecting gear of material table upper surface, and slide anteroposterior is arranged on the switching mechanism on Y-axis connecting gear, and the welding support be arranged on above material table, and be arranged on the X-axis connecting gear at welding support top, and before being arranged on X-axis connecting gear, the bull that can horizontally slip independently controls welding mechanism, and be arranged on welding support left end, for blowing the scruff box that tin reclaims or solder horn carried out to tin process clearly to flatiron, and the welding stage case be arranged on the right side of welding support, the installation that described bull independently controls welding mechanism and X-axis connecting gear is connected with Z axis connecting gear, described bull independently controls welding mechanism and comprises flatiron fixed block, and be mounted on flatiron or the electric screwdriver of flatiron fixed block lower end, and the slide rail guiding Buffer Unit be vertically set in the middle part of flatiron fixed block, and before being arranged on slide rail guiding Buffer Unit top, for regulating the oblique angle adjusting mechanism in flatiron left and right of the oblique operating angle in the left and right of flatiron, and be arranged between two oblique angle adjusting mechanisms in flatiron left and right, support is regulated for regulating the front and back of the oblique operating angle in the front and back of flatiron to rotate, and be arranged on after slide rail guiding Buffer Unit, for pushing the flatiron transfer cylinder of flatiron fixed block.The utility model can arrange the quantity of switching mechanism and Y-axis connecting gear according to material loading time and scolding tin Time dependent, match use by being provided with more than one switching mechanism and more than one Y-axis connecting gear, it is made can automatically to carry out 180 degree of upsets to the wiring board after material loading, when one of them switching mechanism be sent on Y-axis connecting gear carry out scolding tin under bull independently controls welding mechanism time, other switching mechanism Y-axis connecting gear upload send to row scolding tin complete after blanking and new line plate material loading automatic turning operation, make bull independently control welding mechanism and can carry out Non-intermittent scolding tin, thus greatly promote operating efficiency, flatiron is rotated by front and back and regulates support can regulate oblique before and after it arbitrarily angled to work, can be regulated by the oblique angle adjusting mechanism in flatiron left and right that its left and right is oblique arbitrarily angled to work, it achieves and can carry out arbitrarily angled scolding tin to wiring board, flexibility is strong, effective, cost is low, be conducive to industrialization fast development, use simple, be convenient to extensively promote the use of.
Accompanying drawing explanation
For ease of illustrating, the utility model is described in detail by following preferred embodiment and accompanying drawing.
Fig. 1 is the stereogram of the multi-direction rotation work tin soldering machine of a kind of turning tool of the present utility model.
Fig. 2 is the front view that the bull of the multi-direction rotation work tin soldering machine of a kind of turning tool of the present utility model independently controls welding mechanism.
Fig. 3 is the right view that the bull of the multi-direction rotation work tin soldering machine of a kind of turning tool of the present utility model independently controls welding mechanism.
Fig. 4 is the stereogram that the bull of the multi-direction rotation work tin soldering machine of a kind of turning tool of the present utility model independently controls welding mechanism.
Detailed description of the invention
In the present embodiment, as shown in Figures 1 to 4, the multi-direction rotation work tin soldering machine of the turning tool of one of the present utility model, comprise machinery panel 1, and the material table 2 be arranged on before machinery panel 1, and be longitudinally arranged on the Y-axis connecting gear 3 of material table 2 upper surface, and slide anteroposterior is arranged on the switching mechanism 4 on Y-axis connecting gear 3, and the welding support 5 be arranged on above material table 2, and be arranged on the X-axis connecting gear 6 at welding support 5 top, and before being arranged on X-axis connecting gear 6, the bull that can horizontally slip independently controls welding mechanism 7, and be arranged on welding support 5 left end, for blowing the scruff box 8 that tin reclaims or solder horn carried out to tin process clearly to flatiron, and the welding stage case 9 be arranged on the right side of welding support 5, described bull independently controls welding mechanism 7 and is connected with Z axis connecting gear 10 with the installation of X-axis connecting gear 6, described bull independently controls welding mechanism 7 and comprises flatiron fixed block 71, and be mounted on flatiron 72 or the electric screwdriver (not shown) of flatiron fixed block 71 lower end, and the slide rail guiding Buffer Unit 73 be vertically set in the middle part of flatiron fixed block 71, and before being arranged on slide rail guiding Buffer Unit 73 top, for regulating the oblique angle adjusting mechanism 74 in the flatiron left and right of the oblique operating angle in the left and right of flatiron, and be arranged between two oblique angle adjusting mechanisms 74 in flatiron left and right, support 75 is regulated for regulating the front and back of the oblique operating angle in the front and back of flatiron to rotate, and be arranged on after slide rail guiding Buffer Unit 73, for pushing the flatiron transfer cylinder 76 of flatiron fixed block 71.
Wherein, described Y-axis connecting gear 3 is provided with more than one, and described switching mechanism 4 is provided with more than one, and described bull independently controls welding mechanism 7 and is provided with more than one; Each described bull independently controls welding mechanism 7 and is provided with more than one flatiron 72, and more than one described flatiron 72 can according to the single work of requirements of one's work or more than two parallel runnings; Described switching mechanism 4 can carry out 180 degree of upsets by Automatic Control wiring board.
Wherein, when one of them switching mechanism 4 bull independently control welding mechanism carry out scolding tin 7 times time, switching mechanism 4 described in other carries out blanking reclaimer operation or virgin material material loading conveying operations by Y-axis connecting gear 3, and carries out automatic turning to virgin material.
After installing by said structure, during operation, first, material table 2 places undressed wiring board, the quantity that described switching mechanism 4 and Y-axis connecting gear 3 are arranged, according to material loading time and scolding tin Time dependent, is provided with more than one switching mechanism 4 movable on Y-axis connecting gear 3 in an orderly manner.When one of them switching mechanism 4 by Y-axis connecting gear 3 be transplanted on bull independently control welding mechanism carry out scolding tin 7 times time, another switching mechanism 4 can carry out material loading operation below at material table 2, after material loading completes, transmit by Y-axis connecting gear 3 is mobile backward again, in the process transmitted rearward, switching mechanism 4 carries out 180 degree of upsets automatically to wiring board placed thereon, independently control welding mechanism 7 times can carry out scolding tin to it at once so that wiring board enters into bull, more save time, efficiency is high.
In scolding tin process, flatiron transfer cylinder 76 pushes flatiron fixed block 71, carry out propelling movement flatiron 72 and carry out welding job, be provided with more than one flatiron transfer cylinder 76 can control to work alone, it also can according to flatiron transfer cylinder 76 concurrent working needing intelligentized control more than two of producing.Described front and back rotate the operating angle regulating the front and back of the adjustable flatiron of support 75 oblique, the operating angle that the left and right of the adjustable flatiron of described flatiron left and right oblique angle adjusting mechanism 74 is oblique, achieved and can carry out soldering operation that is arbitrarily angled, any direction to flatiron 72, flexibility is strong.Described bull is independently controlled welding mechanism 7 and can be moved left and right by X-axis connecting gear 6, can be moved up and down, facilitate scolding tin by Z axis connecting gear 10.When bull independently control welding mechanism 7 be transferred to the top of scruff box 8 time, described scruff box 8 can blow tin to flatiron 72 and reclaims or carry out tin process clearly to solder horn, improves flatiron scolding tin effect.When flatiron fixed block 71 lower end is set to flatiron 72, it is except carrying out except scolding tin processing, also can carry out a glue operation.When flatiron fixed block 71 lower end arrange be replaced by electric screwdriver (not shown) time, it also carries out arbitrarily angled, any direction to wiring board and tightens up a screw.
After the wiring board scolding tin on one of them switching mechanism 4 completes, Z axis connecting gear 10 starts work, make bull independently control welding mechanism 7 to move to next switching mechanism 4 and proceed scolding tin work, complete scolding tin a upper switching mechanism 4 can on Y-axis connecting gear 3 forward transfer carry out blanking and on virgin material processing.Alternately material loading is carried out to wiring board or blanking operates owing to being provided with multiple switching mechanism 4 and Y-axis connecting gear 3, soldering mechanism carries out the work of Non-intermittent scolding tin between multiple switching mechanism 4 and Y-axis connecting gear 3, operating efficiency is high, soldering operation can arbitrarily angled, any direction regulate, operating flexibility is strong, and scolding tin is effective.
The multi-direction rotation work tin soldering machine of the turning tool of one of the present utility model, comprise machinery panel, and the material table be arranged on before machinery panel, and be longitudinally arranged on the Y-axis connecting gear of material table upper surface, and slide anteroposterior is arranged on the switching mechanism on Y-axis connecting gear, and the welding support be arranged on above material table, and be arranged on the X-axis connecting gear at welding support top, and before being arranged on X-axis connecting gear, the bull that can horizontally slip independently controls welding mechanism, and be arranged on welding support left end, for blowing the scruff box that tin reclaims or solder horn carried out to tin process clearly to flatiron, and the welding stage case be arranged on the right side of welding support, the installation that described bull independently controls welding mechanism and X-axis connecting gear is connected with Z axis connecting gear, described bull independently controls welding mechanism and comprises flatiron fixed block, and be mounted on flatiron or the electric screwdriver of flatiron fixed block lower end, and the slide rail guiding Buffer Unit be vertically set in the middle part of flatiron fixed block, and before being arranged on slide rail guiding Buffer Unit top, for regulating the oblique angle adjusting mechanism in flatiron left and right of the oblique operating angle in the left and right of flatiron, and be arranged between two oblique angle adjusting mechanisms in flatiron left and right, support is regulated for regulating the front and back of the oblique operating angle in the front and back of flatiron to rotate, and be arranged on after slide rail guiding Buffer Unit, for pushing the flatiron transfer cylinder of flatiron fixed block.The utility model can arrange the quantity of switching mechanism and Y-axis connecting gear according to material loading time and scolding tin Time dependent, match use by being provided with more than one switching mechanism and more than one Y-axis connecting gear, it is made can automatically to carry out 180 degree of upsets to the wiring board after material loading, when one of them switching mechanism be sent on Y-axis connecting gear carry out scolding tin under bull independently controls welding mechanism time, other switching mechanism Y-axis connecting gear upload send to row scolding tin complete after blanking and new line plate material loading automatic turning operation, make bull independently control welding mechanism and can carry out Non-intermittent scolding tin, thus greatly promote operating efficiency, flatiron is rotated by front and back and regulates support can regulate oblique before and after it arbitrarily angled to work, can be regulated by the oblique angle adjusting mechanism in flatiron left and right that its left and right is oblique arbitrarily angled to work, it achieves and can carry out arbitrarily angled scolding tin to wiring board, flexibility is strong, effective, cost is low, be conducive to industrialization fast development, use simple, be convenient to extensively promote the use of.
Above-described embodiment; a just example of the present utility model; be not for limiting enforcement of the present utility model and interest field, all technical schemes identical or equivalent with content described in the utility model claim, all should be included in the utility model protection domain.

Claims (3)

1. the multi-direction rotation work tin soldering machine of turning tool, it is characterized in that: comprise machinery panel, and the material table be arranged on before machinery panel, and be longitudinally arranged on the Y-axis connecting gear of material table upper surface, and slide anteroposterior is arranged on the switching mechanism on Y-axis connecting gear, and the welding support be arranged on above material table, and be arranged on the X-axis connecting gear at welding support top, and before being arranged on X-axis connecting gear, the bull that can horizontally slip independently controls welding mechanism, and be arranged on welding support left end, for blowing the scruff box that tin reclaims or solder horn carried out to tin process clearly to flatiron, and the welding stage case be arranged on the right side of welding support, the installation that described bull independently controls welding mechanism and X-axis connecting gear is connected with Z axis connecting gear, described bull independently controls welding mechanism and comprises flatiron fixed block, and be mounted on flatiron or the electric screwdriver of flatiron fixed block lower end, and the slide rail guiding Buffer Unit be vertically set in the middle part of flatiron fixed block, and before being arranged on slide rail guiding Buffer Unit top, for regulating the oblique angle adjusting mechanism in flatiron left and right of the oblique operating angle in the left and right of flatiron, and be arranged between two oblique angle adjusting mechanisms in flatiron left and right, support is regulated for regulating the front and back of the oblique operating angle in the front and back of flatiron to rotate, and be arranged on after slide rail guiding Buffer Unit, for pushing the flatiron transfer cylinder of flatiron fixed block.
2. the multi-direction rotation work tin soldering machine of the turning tool of one according to claim 1, is characterized in that: described Y-axis connecting gear is provided with more than one, and described switching mechanism is provided with more than one.
3. the multi-direction rotation work tin soldering machine of the turning tool of one according to claim 1, is characterized in that: described bull independently controls welding mechanism and is provided with more than one; Each described bull independently controls welding mechanism and is provided with more than one flatiron, and more than one described flatiron can according to the single work of requirements of one's work or more than two parallel runnings; Described switching mechanism can carry out 180 degree of upsets by Automatic Control wiring board.
CN201420777499.2U 2014-12-11 2014-12-11 The multi-direction rotation work tin soldering machine of a kind of turning tool Withdrawn - After Issue CN204321353U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420777499.2U CN204321353U (en) 2014-12-11 2014-12-11 The multi-direction rotation work tin soldering machine of a kind of turning tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420777499.2U CN204321353U (en) 2014-12-11 2014-12-11 The multi-direction rotation work tin soldering machine of a kind of turning tool

Publications (1)

Publication Number Publication Date
CN204321353U true CN204321353U (en) 2015-05-13

Family

ID=53157756

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420777499.2U Withdrawn - After Issue CN204321353U (en) 2014-12-11 2014-12-11 The multi-direction rotation work tin soldering machine of a kind of turning tool

Country Status (1)

Country Link
CN (1) CN204321353U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104475900A (en) * 2014-12-11 2015-04-01 吴水鱼 Multidirectional rotation working soldering tin machine capable of overturning jigs
CN108941826A (en) * 2018-09-21 2018-12-07 锐驰机器人(深圳)有限公司 Ring type vibrator automatic solder robot and its control method
CN110587060A (en) * 2018-06-12 2019-12-20 东莞市恒技精密机械设备有限公司 Iron assembly capable of arbitrarily turning
CN110653443A (en) * 2019-08-19 2020-01-07 易佰特(福建)电子有限公司 Automatic tin soldering machine for processing charging head of mobile phone

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104475900A (en) * 2014-12-11 2015-04-01 吴水鱼 Multidirectional rotation working soldering tin machine capable of overturning jigs
CN110587060A (en) * 2018-06-12 2019-12-20 东莞市恒技精密机械设备有限公司 Iron assembly capable of arbitrarily turning
CN108941826A (en) * 2018-09-21 2018-12-07 锐驰机器人(深圳)有限公司 Ring type vibrator automatic solder robot and its control method
CN110653443A (en) * 2019-08-19 2020-01-07 易佰特(福建)电子有限公司 Automatic tin soldering machine for processing charging head of mobile phone

Similar Documents

Publication Publication Date Title
CN104475900B (en) A kind of turning tool multi-direction rotation work tin soldering machine
CN204321353U (en) The multi-direction rotation work tin soldering machine of a kind of turning tool
CN204075683U (en) A kind of bolt, nut automatic assembling machine
CN202292091U (en) Automatic drilling and tapping device
CN204621261U (en) Full-automatic tapping machine
CN103966770A (en) Automatic free-ironing pocket patching machine
CN107442802A (en) A kind of full-automatic bidirectional Boring machine
CN102922060B (en) Miniature nut inner thread automatic tapping machine
CN207223517U (en) The feed device of valve rod head chamfer machining equipment
CN202130135U (en) Ic automatic marking matching device
CN104923601A (en) Full-automatic punching device for production of vehicle fittings
CN103801480A (en) Machine for automatically coating and gluing flat cables
CN109399208A (en) A kind of glass automatic loading and unloading device
CN104924062A (en) Double-side automatic locking screw machine
CN206122829U (en) Automatic tapping machine
CN105720169A (en) Automatic dispensing placement machine for circuit board LED lamp
CN206064751U (en) A kind of sealing system for LED product production
CN206335172U (en) A kind of double-side processing machine
CN203566014U (en) Feed mechanism of screw lathing machine
CN203936411U (en) A kind of automatic drilling device of turning
CN204639604U (en) A kind of structure improved drilling-milling apparatus
CN203679530U (en) Laser marking machine
CN106992102A (en) Automatism card machine for grafting automobile fuse box
CN202988221U (en) Band-type preform feed bin device
CN207534457U (en) The feeding device of machine cut processing

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20150513

Effective date of abandoning: 20160824

C25 Abandonment of patent right or utility model to avoid double patenting