CN109853165A - A kind of fuel-flow control structure of sewing machine lubricating oil - Google Patents
A kind of fuel-flow control structure of sewing machine lubricating oil Download PDFInfo
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- CN109853165A CN109853165A CN201910184570.3A CN201910184570A CN109853165A CN 109853165 A CN109853165 A CN 109853165A CN 201910184570 A CN201910184570 A CN 201910184570A CN 109853165 A CN109853165 A CN 109853165A
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Abstract
The present invention provides a kind of fuel-flow control structures of sewing machine lubricating oil, belong to clothes manufacturing equipment technical field.It solves the technical problems such as existing sewing machine lubricating oil fuel feeding is unstable.This fuel-flow control structure includes check valve and flow stabilizing valve；The outlet of check valve is connected with the import of flow stabilizing valve, and flow stabilizing valve includes valve body and valve ball, offers installation cavity on valve body, valve ball is located in installation cavity, the two sides of valve body are respectively equipped with pressure regulation spring and current stabilization spring, and pressure regulation spring is towards the import of flow stabilizing valve, and pressure regulation spring is towards the outlet of flow stabilizing valve；The inner wall of installation cavity is also formed with the necking being gradually reduced by import to the exit caliber of flow stabilizing valve.Fuel-flow control structure in the present invention cancels the components such as fuel-flow control screw in the prior art, increase the structure of Simple one-way valve and flow stabilizing valve in oil circuit, the size for coping with oil mass in oil circuit plays the role of automatic adjustment, improve sewing machine lubricating oil for oil-proofness.
Description
Technical field
The invention belongs to clothes manufacturing equipment technical fields, are related to a kind of sewing machine, especially a kind of sewing machine lubricating oil
Fuel-flow control structure.
Background technique
Sewing machine is formed one or more stitchings on sewing, is made one or more layers seam with one or more sewing thread
The machine that material interweaves or unites by a seam.Fabrics and leather, plastics, the paper such as function of sewing sewing cotton, fiber crops, silk, hair, staple fibre
Equal products, the stitching neat appearance stitched out, it is smooth securely, sewing velocity is fast, uses simplicity.Sewing machine is generally all filled by feeding
It sets, base, transmission and four part of attachment composition, is reasonably cooperated by the movement of each mechanism, cycle operation sutures sewing
Come.Sewing machine needs that it is lubricated and is cooled down using lubricating oil and lubricating structure during the work time, passes through hydrodynamic lubrication
Oil reduces frictional resistance, reduces mechanical wear, reduces temperature, prevents from corroding, and reduces vibration, rinses rubbing surface etc..Lubricating oil master
Will be by oil pump feed, the power source of oil pump is from the vertical pivot of sewing machine, the lubrication of sewing machine when its revolving speed is excessively high or too low
Oily fuel delivery is unable to reach a stationary value also with change.Vertical pivot revolving speed is excessively high to cause fuel delivery in sewing process big, is stitching
Often occurs the case where oil leak, permeability during threading；Revolving speed is too low, and oil pump can not effectively work, and fuel delivery is reduced, can not be to machine
Device carries out effectively lubricating.In addition also there is higher requirement in lubrication of the special process to lubricating oil, such as: machine only carries out W seam
Operating condition, the machine start-stop time is short, can not make lubricating oil reach lubricating place, it is hot so as to cause rotating shuttle a problem that.
Chinese patent (publication number: CN102206906A, publication date: 2011-10-05) discloses a kind of fuel feeding of sewing machine
Device, in the sewing machine base that the top of oil groove and oil groove are connected with；It is connected with and matches with sewing machine base in the top of sewing machine base
The sewing machine horn set；It is supported on the lower axle of sewing machine base with being able to rotate；It is supported on the upper axis of sewing machine horn with being able to rotate；
1st pump of the configuration in sewing machine base, for being supplied to the lubricating oil of oil groove in sewing machine horn and sewing machine base；With
Be transported to transfer unit in sewing machine horn in will be fed into the lubricating oil in the 1st pump, be equipped in sewing machine horn by
The 2nd pump that the rotation of deceleration mechanism and upper axis is linkedly acted, the 2nd pump include: for by by transfer unit conveying Lai
Lubricating oil is sent into the introduction part of the 2nd pump；For at least part for the lubricating oil being sent by introduction part to be supplied to sewing
The supply part of sliding component in machine horn.
The fuel-flow control mode of conventional sewing machine is manually adjusted using fuel-flow control screw, by the shadow of machining accuracy
It rings, fuel-flow control screw needs are adjusted according to oil mass size, can not be automatically adjusted to oil mass size, are on the one hand improved
The production cost of enterprise, on the other hand also reduces the competitiveness of sewing device itself.Two have been used in above patent document
A oil pump carries out fuel feeding, and the size of oil mass is determined by the revolving speed of sewing machine in lubrication system, slows down although being provided with
Mechanism, but after deceleration mechanism sets reduction ratio, fuel delivery is also not easy to adjust in real time, for oil-proofness or poor.
Summary of the invention
The present invention addresses the above problems in the prior art, provides a kind of fuel-flow control knot of sewing machine lubricating oil
Structure, the technical problems to be solved by the present invention are: how to improve the reliability of sewing machine lubricating oil fuel delivery.
Object of the invention can be realized by the following technical scheme:
A kind of fuel-flow control structure of sewing machine lubricating oil, which is characterized in that the fuel-flow control structure includes check valve
And flow stabilizing valve；The outlet of the check valve is connected with the import of the flow stabilizing valve, and the flow stabilizing valve includes valve body and valve ball, institute
State and offer installation cavity on valve body, the valve ball is located in the installation cavity, the two sides of the valve body be respectively equipped with pressure regulation spring and
Current stabilization spring, the pressure regulation spring is towards the import of the flow stabilizing valve, and the pressure regulation spring is towards the outlet of the flow stabilizing valve；The installation
The inner wall of chamber is also formed with the necking being gradually reduced by import to the exit caliber of flow stabilizing valve.
The principle is as follows: by increasing check valve in fuel pump outlet and increasing current stabilization in oil circuit in the technical program
Valve forms a stable oil supply system.When sewing machine runs at high speed, oil pump feed amount increases, and pushes flow stabilizing valve
Valve ball consumes a part of kinetic energy, reduces oil circuit cross-sectional area, reduces oil pump capacity；When sewing machine revolving speed is low, oil pump is supplied
Oil mass is reduced, valve ball return under the action of current stabilization spring, is increased oil circuit cross section, is increased oil pump capacity.By the device, make machine
For device in high speed with low speed operation, the oil mass in oil circuit is in a stationary value, bad caused by avoiding oil mass excessive or being very few
Operating condition.
Increase easy check valve additionally by the exit of oil pump, in the sewing operating condition of the rapid starting/stoppings such as W seam, often
Lubricating oil is drawn into oil circuit by secondary starting oil pump from food tray, so that oil is not flowed back by check valve, and fill entire oil circuit, is opened
To lubricating action.
In the fuel-flow control structure of above-mentioned sewing machine lubricating oil, the installation cavity is located at the end of the valve body and should
End is fixedly provided with front cover；The valve body and the front cover are coaxially disposed, and are had in the front cover along its axial flow channel, institute
Stating in valve body has along its axial flow pass.Flow channel runs through front cover, and flow pass runs through valve body, the import of flow stabilizing valve
Positioned at the outer end of flow channel, the outlet of flow stabilizing valve is located at the outer end of flow pass.
In the fuel-flow control structure of above-mentioned sewing machine lubricating oil, have on the inner wall of the flow channel against step
One, one end of the pressure regulation spring is resisted against described on step one, and the other end is resisted against on the spherical surface of the valve ball；The stream
Have on the inner wall in channel out against step two, one end of the current stabilization spring is resisted against described on step two, and the other end supports
On the spherical surface for leaning against the valve ball.
It is made a concrete analysis of in conjunction with stress as follows: working as operation of oil pump, lubricating oil first passes around check valve, then is connected by oil pipe,
It flow to flow stabilizing valve.
F1=F2+FOil
F1=K1×X1F2=K2×X2
K1> K2
F1: the elastic force of current stabilization spring, K1: the coefficient of elasticity of current stabilization spring, X1: the deformation quantity of current stabilization spring；
F2: the elastic force of pressure regulation spring, K2: the coefficient of elasticity of pressure regulation spring, X2: the deformation quantity of pressure regulation spring.
When machine rotational speed improves, oil pump feed amount rises, FOilIncrease, X can be obtained according to above-mentioned formula1Increase, X2It reduces, valve
Ball is reduced to left dislocation, oil circuit cross section, and the oil mass after flow stabilizing valve is reduced；With should machine rotational speed reduce, oil pump feed amount
Decline, FOilIt reduces, X can be obtained according to above-mentioned formula1It reduces, X2Increase, valve ball is displaced to the right, and oil circuit cross section increases, and plays oil mass
The effect of adjusting；Simultaneously can by front cover at a distance from valve body, to adjust the irritability of flow stabilizing valve, if the two is tightened,
X1With X2Increase, corresponding FOilIt will improve, then fuel-flow control is in a higher range.
In the fuel-flow control structure of above-mentioned sewing machine lubricating oil, the installation cavity be located at the inner end of the valve body and with
The flow pass is connected, and the inner wall of the installation cavity has tapered surface.
In the fuel-flow control structure of above-mentioned sewing machine lubricating oil, the inner end of the front cover has interconnecting piece and the company
Socket part is set on the outer peripheral surface of the valve body inner end, also has accommodating chamber between the end face of the valve body and the front cover.
In the fuel-flow control structure of above-mentioned sewing machine lubricating oil, the check valve includes main body and unidirectionally adjusts ball,
There is runner in the main body and the unidirectional adjusting ball is located in the runner, the body end is installed with end cap, described
Spring is equipped between end cap and the unidirectional adjusting ball, described in the unidirectional adjusting ball can block under the action of the spring
Runner.
Compared with prior art, having the advantage that in the present invention
1, the fuel-flow control structure in the present invention cancels the components such as fuel-flow control screw in the prior art, increases in oil circuit
The structure for adding Simple one-way valve and flow stabilizing valve, the size for coping with oil mass in oil circuit play the role of automatic adjustment, improve
Sewing machine lubricating oil for oil-proofness.
2, the fuel-flow control structure in the present invention is fast in W seam etc. by increasing easy check valve in the exit of oil pump
When the sewing operating condition of fast start and stop, starts oil pump every time and be drawn into lubricating oil in oil circuit from food tray, make oil will not by check valve
Reflux, and entire oil circuit is filled, open lubricating action.
Detailed description of the invention
Fig. 1 is the schematic perspective view of this fuel-flow control structure.
Fig. 2 is the schematic cross-sectional view of check valve in this fuel-flow control structure.
Fig. 3 is the schematic cross-sectional view of flow stabilizing valve in this fuel-flow control structure.
In figure, 1, check valve；11, main body；11a, runner；12, ball is unidirectionally adjusted；13, spring；14, end cap；2, current stabilization
Valve；21, valve body；21a, installation cavity；21b, flow pass；21c, against step one；22, valve ball；23, pressure regulation spring；24, current stabilization
Spring；25, necking；26, accommodating chamber；27, front cover；27a, flow channel；27b, against step two.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in Figure 1 to Figure 3, this fuel-flow control structure includes check valve 1 and flow stabilizing valve 2；The outlet of check valve 1 and current stabilization
The import of valve 2 is connected, and flow stabilizing valve 2 includes valve body 21 and valve ball 22, offers installation cavity 21a on valve body 21, valve ball 22 is located at
In installation cavity 21a, the two sides of valve body 21 are respectively equipped with pressure regulation spring 23 and current stabilization spring 24, pressure regulation spring 23 towards flow stabilizing valve 2 import,
Pressure regulation spring 23 is towards the outlet of flow stabilizing valve 2；The inner wall of installation cavity 21a be also formed with the import by flow stabilizing valve 2 to exit caliber by
Decrescence small necking 25；Check valve 1 includes main body 11 and unidirectionally adjusts ball 12, has runner 11a and unidirectional adjusting in main body 11
Ball 12 is located in runner 11a, and 11 end of main body is installed with end cap 14, and end cap 14 and unidirectional adjust are equipped with spring 13 between ball 12,
The unidirectional ball 12 that adjusts can block runner 11a under the action of spring 13.Specifically, installation cavity 21a is located at the end of valve body 21
The portion and end is fixedly provided with front cover 27；Valve body 21 and front cover 27 are coaxially disposed, and are had in front cover 27 along its axial flow channel
27a, valve body 21 is interior to be had along its axial flow pass 21b；Flow channel 27a runs through front cover 27, and flow pass 21b runs through valve
Body 21, the import of flow stabilizing valve 2 are located at the outer end of flow channel 27a, and the outlet of flow stabilizing valve 2 is located at the outer end of flow pass 21b；Stream
Entering on the inner wall of channel 27a has against one 21c of step, and one end of pressure regulation spring 23 abuts against on one 21c of step, the other end
It is resisted against on the spherical surface of valve ball 22；Have on the inner wall of flow pass 21b against two 27b of step, one end of current stabilization spring 24 against
On two 27b of step, the other end is resisted against on the spherical surface of valve ball 22.
This fuel-flow control structure forms one by increasing check valve 1 in fuel pump outlet and increasing flow stabilizing valve 2 in oil circuit
A stable oil supply system.When sewing machine runs at high speed, oil pump feed amount increases, and pushes the valve ball 22 of flow stabilizing valve 2, disappears
A part of kinetic energy is consumed, oil circuit cross-sectional area is reduced, reduces oil pump capacity；When sewing machine revolving speed is low, oil pump feed amount subtracts
Few, return under the action of current stabilization spring 24 of valve ball 22 increases oil circuit cross section, increases oil pump capacity.By the device, make machine
In the operation of high speed and low speed, the oil mass in oil circuit is in a stationary value, not skilled worker caused by avoiding oil mass excessive or being very few
Condition.Increase easy check valve 1 additionally by the exit of oil pump, in the sewing operating condition of the rapid starting/stoppings such as W seam, opens every time
Lubricating oil is drawn into oil circuit by dynamic oil pump from food tray, so that oil is not flowed back by check valve 1, and fill entire oil circuit, is opened
Lubricating action.
It is made a concrete analysis of in conjunction with stress as follows: working as operation of oil pump, lubricating oil first passes around check valve 1, then is connected by oil pipe,
It flow to flow stabilizing valve 2.
F1=F2+FOil
F1=K1×X1F2=K2×X2
K1> K2
F1: the elastic force of current stabilization spring 24, K1: the coefficient of elasticity of current stabilization spring 24, X1: the deformation quantity of current stabilization spring 24；
F2: the elastic force of pressure regulation spring 23, K2: the coefficient of elasticity of pressure regulation spring 23, X2: the deformation quantity of pressure regulation spring 23.
When machine rotational speed improves, oil pump feed amount rises, FOilIncrease, X can be obtained according to above-mentioned formula1Increase, X2It reduces, valve
Ball 22 is reduced to left dislocation, oil circuit cross section, and the oil mass after flow stabilizing valve 2 is reduced；With should machine rotational speed reduce, oil pump feed
Amount decline, FOilIt reduces, X can be obtained according to above-mentioned formula1It reduces, X2Increase, valve ball 22 is displaced to the right, and oil circuit cross section increases, and is played
The effect of fuel-flow control；It simultaneously can be by front cover 27 at a distance from valve body 21, to adjust the irritability of flow stabilizing valve 2, if by two
Person tightens, then X1With X2Increase, corresponding FOilIt will improve, then fuel-flow control is in a higher range.
As shown in Figures 2 and 3, installation cavity 21a is located at the inner end of valve body 21 and is connected with flow pass 21b, installation cavity
The inner wall of 21a has tapered surface；The inner end of front cover 27 has interconnecting piece and interconnecting piece is set on the outer peripheral surface of 21 inner end of valve body,
Also there is accommodating chamber 26 between the end face and front cover 27 of valve body 21.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although 1, check valve is used more herein；11, main body；11a, runner；12, ball is unidirectionally adjusted；13, spring；
14, end cap；2, flow stabilizing valve；21, valve body；21a, installation cavity；21b, flow pass；21c, against step one；22, valve ball；23, it adjusts
Pressure spring；24, current stabilization spring；25, necking；26, accommodating chamber；27, front cover；27a, flow channel；27b, against the second-class term of step, but
It does not exclude the possibility of using other terms.It is of the invention the use of these items is only for being more convenient to describe and explain
Essence；Being construed as any additional limitation is disagreed with spirit of that invention.
Claims (6)
1. a kind of fuel-flow control structure of sewing machine lubricating oil, which is characterized in that the fuel-flow control structure includes check valve (1)
With flow stabilizing valve (2)；The outlet of the check valve (1) is connected with the import of the flow stabilizing valve (2), and the flow stabilizing valve (2) includes
Valve body (21) and valve ball (22) offer installation cavity (21a) on the valve body (21), and the valve ball (22) is located at the installation cavity
In (21a), the two sides of the valve body (21) are respectively equipped with pressure regulation spring (23) and current stabilization spring (24), and the pressure regulation spring (23) is towards institute
State the import of flow stabilizing valve (2), outlet of the pressure regulation spring (23) towards the flow stabilizing valve (2)；The inner wall of the installation cavity (21a)
It is also formed with the necking (25) being gradually reduced by import to the exit caliber of flow stabilizing valve (2).
2. the fuel-flow control structure of sewing machine lubricating oil according to claim 1, which is characterized in that the installation cavity
(21a) is located at the end of the valve body (21) and the end is fixedly provided with front cover (27)；The valve body (21) and the front cover (27)
Coaxial arrangement, the front cover (27) is interior to be had along its axial flow channel (27a), and the valve body (21) is interior to be had along its axial direction
Flow pass (21b).
3. the fuel-flow control structure of sewing machine lubricating oil according to claim 2, which is characterized in that the flow channel
Have on the inner wall of (27a) against step one (21c), one end of the pressure regulation spring (23) is resisted against described against step one
On (21c), the other end is resisted against on the spherical surface of the valve ball (22)；Have on the inner wall of the flow pass (21b) against platform
Rank two (27b), one end of the current stabilization spring (24) are resisted against described on step two (27b), and the other end is resisted against the valve
On the spherical surface of ball (22).
4. the fuel-flow control structure of sewing machine lubricating oil according to claim 3, which is characterized in that the installation cavity
(21a) is located at the inner end of the valve body (21) and is connected with the flow pass (21b), the inner wall of the installation cavity (21a)
With tapered surface.
5. according to the fuel-flow control structure of sewing machine lubricating oil described in Claims 2 or 3 or 4, which is characterized in that the front cover
(27) inner end has interconnecting piece and the interconnecting piece is set on the outer peripheral surface of the valve body (21) inner end, the valve body (21)
End face and the front cover (27) between also have accommodating chamber (26).
6. the fuel-flow control structure of sewing machine lubricating oil according to claim 1 or 2 or 3 or 4, which is characterized in that described
Check valve (1) includes main body (11) and unidirectional adjusting ball (12), has runner (11a) and the unidirectional tune in the main body (11)
Section ball (12) is located at that the runner (11a) is interior, and main body (11) end is installed with end cap (14), the end cap (14) with it is described
Unidirectional adjust is equipped with spring (13) between ball (12), and the unidirectional adjusting ball (12) can seal under the action of the spring (13)
Block up the runner (11a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910184570.3A CN109853165A (en) | 2019-03-12 | 2019-03-12 | A kind of fuel-flow control structure of sewing machine lubricating oil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910184570.3A CN109853165A (en) | 2019-03-12 | 2019-03-12 | A kind of fuel-flow control structure of sewing machine lubricating oil |
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| CN109853165A true CN109853165A (en) | 2019-06-07 |
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ID=66900510
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| CN201910184570.3A Pending CN109853165A (en) | 2019-03-12 | 2019-03-12 | A kind of fuel-flow control structure of sewing machine lubricating oil |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0527453U (en) * | 1991-09-26 | 1993-04-09 | 株式会社三星 | Flow control valve with check valve |
| CN2394069Y (en) * | 1999-09-20 | 2000-08-30 | 张延强 | Automatic shutting safety valve for oil, gas and water |
| CN1680646A (en) * | 2004-04-08 | 2005-10-12 | 杜尔克普-阿德勒股份公司 | Sewing machine with an oil tank and plunger for the oil tank of this sewing machine |
| CN200943137Y (en) * | 2006-05-17 | 2007-09-05 | 建联缝衣机股份有限公司 | Modified oil feeding device of sewing machine |
| JP2009028330A (en) * | 2007-07-27 | 2009-02-12 | Juki Corp | Oiling device for sewing machine |
| CN101603609A (en) * | 2009-05-06 | 2009-12-16 | 杭州千岛湖陆行泵业有限公司 | The split type pressure-limit valve of a kind of oil pump |
| CN102862602A (en) * | 2012-09-18 | 2013-01-09 | 重庆迪马工业有限责任公司 | Full hydraulic steering system of passenger step with double front axles |
| CN102995318A (en) * | 2011-09-08 | 2013-03-27 | 天津宝盈电脑机械有限公司 | Lubricating device for lower machine head of full-automatic sewing machine |
| CN203991544U (en) * | 2014-08-11 | 2014-12-10 | 深圳市联懋塑胶有限公司 | Fixing rifle spraying coating line body oil circuit Rapid Cleaning structure |
| CN206916417U (en) * | 2017-06-06 | 2018-01-23 | 浙江美机缝纫机有限公司 | The rotating shuttle fueler of sewing machine |
| WO2019016564A1 (en) * | 2017-07-20 | 2019-01-24 | Qinov8 Uk Ltd | Safety valve |
-
2019
- 2019-03-12 CN CN201910184570.3A patent/CN109853165A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0527453U (en) * | 1991-09-26 | 1993-04-09 | 株式会社三星 | Flow control valve with check valve |
| CN2394069Y (en) * | 1999-09-20 | 2000-08-30 | 张延强 | Automatic shutting safety valve for oil, gas and water |
| CN1680646A (en) * | 2004-04-08 | 2005-10-12 | 杜尔克普-阿德勒股份公司 | Sewing machine with an oil tank and plunger for the oil tank of this sewing machine |
| CN200943137Y (en) * | 2006-05-17 | 2007-09-05 | 建联缝衣机股份有限公司 | Modified oil feeding device of sewing machine |
| JP2009028330A (en) * | 2007-07-27 | 2009-02-12 | Juki Corp | Oiling device for sewing machine |
| CN101603609A (en) * | 2009-05-06 | 2009-12-16 | 杭州千岛湖陆行泵业有限公司 | The split type pressure-limit valve of a kind of oil pump |
| CN102995318A (en) * | 2011-09-08 | 2013-03-27 | 天津宝盈电脑机械有限公司 | Lubricating device for lower machine head of full-automatic sewing machine |
| CN102862602A (en) * | 2012-09-18 | 2013-01-09 | 重庆迪马工业有限责任公司 | Full hydraulic steering system of passenger step with double front axles |
| CN203991544U (en) * | 2014-08-11 | 2014-12-10 | 深圳市联懋塑胶有限公司 | Fixing rifle spraying coating line body oil circuit Rapid Cleaning structure |
| CN206916417U (en) * | 2017-06-06 | 2018-01-23 | 浙江美机缝纫机有限公司 | The rotating shuttle fueler of sewing machine |
| WO2019016564A1 (en) * | 2017-07-20 | 2019-01-24 | Qinov8 Uk Ltd | Safety valve |
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| CB02 | Change of applicant information |
Address after: 318000 no.1008, east section of Donghai Avenue, Sanjia, Jiaojiang District, Taizhou City, Zhejiang Province Applicant after: Jack Technology Co.,Ltd. Address before: 318010 No. 15 Airport South Road, Jiaojiang District, Zhejiang, Taizhou Applicant before: JACK SEWING MACHINE Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20190607 |