CN105927740A - Control valve used for dust removing system - Google Patents
Control valve used for dust removing system Download PDFInfo
- Publication number
- CN105927740A CN105927740A CN201610495618.9A CN201610495618A CN105927740A CN 105927740 A CN105927740 A CN 105927740A CN 201610495618 A CN201610495618 A CN 201610495618A CN 105927740 A CN105927740 A CN 105927740A
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- valve
- crank
- control valve
- valve pipe
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/4272—Special valve constructions adapted to filters or filter elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/221—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves specially adapted operating means therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/224—Details of bearings for the axis of rotation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/16—Actuating devices; Operating means; Releasing devices actuated by fluid with a mechanism, other than pulling-or pushing-rod, between fluid motor and closure member
- F16K31/163—Actuating devices; Operating means; Releasing devices actuated by fluid with a mechanism, other than pulling-or pushing-rod, between fluid motor and closure member the fluid acting on a piston
- F16K31/1635—Actuating devices; Operating means; Releasing devices actuated by fluid with a mechanism, other than pulling-or pushing-rod, between fluid motor and closure member the fluid acting on a piston for rotating valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/52—Mechanical actuating means with crank, eccentric, or cam
- F16K31/521—Mechanical actuating means with crank, eccentric, or cam comprising a pivoted disc or flap
Abstract
The invention relates to a control valve used for a dust removing system. The control valve is characterized in that the control valve comprises a valve base, a rotating shaft, a butterfly-shaped door, a crank and a swing rotation drive mechanism; the valve base comprises a base plate and a valve pipe; the base plate is provided with a fixed installation hole; the rotating shaft is vertically arranged and penetrates the valve pipe in the radial direction; the upper end of the rotating shaft is supported to the top of the valve pipe through an upper bearing assembly; the lower end of the rotating shaft is supported to the bottom of the valve pipe through a lower bearing assembly; the butterfly-shaped door is arranged in the valve pipe; the shape and the size of the butterfly-shaped door are matched with those of the valve pipe; the butterfly-shaped door is fixedly installed on the rotating shaft; one end of the crank is fixed to a shaft head at the upper end of the rotating shaft; and the other end of the crank is connected with the swing rotation drive mechanism which can drive the rotating shaft and the butterfly-shaped door to rotate by driving the crank to swing, and therefore the control valve is closed to be opened or closed. The control valve used for the dust removing system is compact in structure, reasonable in design, convenient to operate and control, safe, reliable, and capable of effectively controlling and adjusting negative pressure in a negative pressure pipeline and achieving the energy saving and efficiency improving purposes.
Description
Technical field
The present invention relates to a kind of control valve, a kind of control valve for gantry exchange type laser cutting machine dust pelletizing system.
Background technology
Gantry exchange type laser cutting machine can produce smog and dust when carrying out and cutting work, and these smog and dust need to remove in time, otherwise can work the mischief the physical and mental health of environment and staff.But existing conventional dust removal system is eliminating smog and the convenient poor effect of dust.
For this kind of situation, applicant proposed the most advanced reasonably dust-cleaning scheme of one, it is by being equally divided into multiple cutting zone by long-pending for the face preparation of gantry exchange type laser cutting machine, each cutting zone is correspondingly arranged a set of negative pressure dust removing device, all of negative pressure dust removing device accesses cleaner unit through control valve respectively, when laser cutting head carries out cutting work in certain cutting zone, system controlling software sends actuating signal, the control valve that the negative pressure dust removing device making this cutting zone corresponding is connected is opened immediately, then by the negative pressure line being connected with this cutting zone, the smog produced during cut and dust are sucked in cleaner unit, achieve sanitary protection.In the dust pelletizing system of such scheme, control valve is a part the most crucial, but does not the most also have the most adaptive real control valve at present, needs specialized designs.
Summary of the invention
It is an object of the invention to provide a kind of control valve for dust pelletizing system, its compact conformation, reasonable in design, manipulation is convenient, safe and reliable, it is possible to the negative pressure efficiently controlling, regulating in negative pressure line, reaches the purpose of energy efficiency.
The technical scheme provided according to the present invention: for the control valve of dust pelletizing system, it is characterised in that: include valve seat, rotating shaft, butterfly door, crank and rotation drive mechanism；Described valve seat includes seat board and valve pipe, and described seat board is provided with fixed installation hole；Described rotating shaft is vertically arranged and extends radially through valve pipe, and rotating shaft upper end is supported on bottom valve pipe by lower bearing component in valve pipe top, rotating shaft lower end by upper bearing (metal) modular support；Described butterfly door is arranged in valve pipe, and the geomery of butterfly door mates with valve pipe, and butterfly door is fixedly mounted in rotating shaft；Described crank one end is fixed on the spindle nose of rotating shaft upper end, and the crank other end is connected with rotation drive mechanism, and rotation drive mechanism can drive rotating shaft and butterfly door to rotate by driving crank-swinging, and then control control valve opens or closes.
As a further improvement on the present invention, described upper bearing (metal) assembly includes single direction thrust ball bearing, spacer ring and the first deep groove ball bearing, described valve pipe top is provided with upper mounting plate, described single direction thrust ball bearing, spacer ring and the first deep groove ball bearing are the most sequentially assemblied in the installing hole on lower installation board, and the step that the top race of single direction thrust ball bearing is provided with by rotating shaft upper end carries out spacing；Described lower bearing component includes the second deep groove ball bearing, pad and screw, is provided with lower installation board bottom described valve pipe, and described second deep groove ball bearing is assemblied in the installing hole on lower installation board, and carries out spacing by the pad and screw being fixedly connected on rotating shaft lower end.
As a further improvement on the present invention, described rotation drive mechanism includes cylinder, jackshaft ear supporter and air cylinder support, jackshaft ear supporter is installed on the cylinder barrel of described cylinder, the two ends of described jackshaft ear supporter are installed in rotation on top board and the base plate of air cylinder support respectively, described air cylinder support is fixed in the support mounting seat on valve pipe outer wall, and the tailpiece of the piston rod of described cylinder is hinged with the crank other end.
As a further improvement on the present invention, the tailpiece of the piston rod of described cylinder is hinged with crank by joint and Assembly of pin, and described joint one end is arranged on the tailpiece of the piston rod of cylinder, and the joint other end is placed in the open slot on crank Nei and is attached by Assembly of pin.
As a further improvement on the present invention, described joint uses flake joint.
As a further improvement on the present invention, described Assembly of pin includes bearing pin, packing ring and split pin.
The present invention compared with prior art, has the advantage thatCompact conformation, reasonable in design, manipulation is convenient, safe and reliable, it is possible to the negative pressure efficiently controlling, regulating in negative pressure line, reaches the purpose of energy efficiency.
Accompanying drawing explanation
Fig. 1 is the structural front view of the embodiment of the present invention.
Fig. 2 is the side view of Fig. 1.
Detailed description of the invention
Below in conjunction with concrete drawings and Examples, the invention will be further described.
As shown in the figure: the control valve for dust pelletizing system in embodiment is mainly made up of valve seat 1, rotating shaft 2, butterfly door 3, crank 11 and rotation drive mechanism, described valve seat 1 includes that seat board 1a and valve pipe 1b, described seat board 1a are provided with fixed installation hole；Described rotating shaft 2 is vertically arranged and extends radially through valve pipe 1b, and rotating shaft 2 upper end is supported on bottom valve pipe 1b by lower bearing component in valve pipe 1b top, rotating shaft 2 lower end by upper bearing (metal) modular support；Described butterfly door 3 is arranged in valve pipe 1b, and the geomery of butterfly door 3 mates with valve pipe 1b, and butterfly door 3 is arranged in rotating shaft 2 and is fixed with holding screw 15；Described crank 11 one end is fixed on the spindle nose of rotating shaft 2 upper end, and crank 11 other end is connected with rotation drive mechanism, and rotation drive mechanism can drive rotating shaft 2 and butterfly door 3 to rotate by driving crank 11 to swing, and then control control valve opens or closes.
As shown in Figure 1, in the present embodiment, described upper bearing (metal) assembly is mainly made up of single direction thrust ball bearing 12, spacer ring 13 and the first deep groove ball bearing 14, described valve pipe 1b top is provided with upper mounting plate 1c, described single direction thrust ball bearing 12, spacer ring 13 and the first deep groove ball bearing 14 are the most sequentially assemblied in the installing hole on lower installation board 1d, and the step 2a that the top race of single direction thrust ball bearing 12 is provided with by rotating shaft 2 upper end carries out spacing；Described lower bearing component is mainly made up of the second deep groove ball bearing 16, pad 17 and screw 18, it is provided with lower installation board 1d bottom described valve pipe 1b, described second deep groove ball bearing 16 is assemblied in the installing hole on lower installation board 1d, and carries out spacing by the pad 17 and screw 18 being fixedly connected on rotating shaft 2 lower end.
Such as Fig. 1, shown in Fig. 2, in the present embodiment, described rotation drive mechanism is mainly by cylinder 4, jackshaft ear supporter 6 and air cylinder support 5 form, jackshaft ear supporter 6 is installed on the cylinder barrel of described cylinder 4, the two ends of described jackshaft ear supporter 6 are installed in rotation on the top board 5a and base plate 5b of air cylinder support 5 respectively, described air cylinder support 5 is fixed on valve pipe 1b outer wall in support mounting seat 1e being welded with, the tailpiece of the piston rod of described cylinder 4 is hinged with crank 11 by joint 7 and Assembly of pin, described joint 7 one end is arranged on the tailpiece of the piston rod of cylinder 4, joint 7 other end is placed in the open slot on crank 11 Nei and is attached by Assembly of pin.In the present embodiment, described joint 7 preferably employs flake joint 7.Described Assembly of pin includes bearing pin 8, packing ring 9 and split pin 10.
When specifically applying, when control valve needs to open or close, the pneumatic control valve connecting cylinder 4 can receive the actuating signal sent by system controlling software, the gas circuit that electromagnetic valve controls is by controlling airintake direction, realize stretching out or bouncing back of cylinder 4 piston rod, and then drive crank 11 rotation, drive rotating shaft 2 and the butterfly door 3 being arranged in rotating shaft 2 to rotate during crank 11 rotation, thus achieve opening or closing of control valve.
Claims (6)
1. for the control valve of dust pelletizing system, it is characterised in that: include valve seat (1), rotating shaft (2), butterfly door (3), crank (11) and rotation drive mechanism；Described valve seat (1) includes seat board (1a) and valve pipe (1b), and described seat board (1a) is provided with fixed installation hole；Described rotating shaft (2) is vertically arranged and extends radially through valve pipe (1b), and rotating shaft (2) upper end is by upper bearing (metal) modular support at valve pipe (1b) top, and rotating shaft (2) lower end is supported on valve pipe (1b) bottom by lower bearing component；Described butterfly door (3) is arranged in valve pipe (1b), and the geomery of butterfly door (3) mates with valve pipe (1b), and butterfly door (3) is fixedly mounted in rotating shaft (2)；Described crank (11) one end is fixed on the spindle nose of rotating shaft (2) upper end, crank (11) other end is connected with rotation drive mechanism, rotation drive mechanism can drive rotating shaft (2) and butterfly door (3) to rotate by driving crank (11) to swing, and then control control valve opens or closes.
2. the control valve for dust pelletizing system as claimed in claim 1, it is characterized in that: described upper bearing (metal) assembly includes single direction thrust ball bearing (12), spacer ring (13) and the first deep groove ball bearing (14), described valve pipe (1b) top is provided with upper mounting plate (1c), described single direction thrust ball bearing (12), spacer ring (13) and the first deep groove ball bearing (14) are the most sequentially assemblied in the installing hole on lower installation board (1d), and the step (2a) that the top race of single direction thrust ball bearing (12) is provided with by rotating shaft (2) upper end carries out spacing；Described lower bearing component includes the second deep groove ball bearing (16), pad (17) and screw (18), described valve pipe (1b) bottom is provided with lower installation board (1d), described second deep groove ball bearing (16) is assemblied in the installing hole on lower installation board (1d), and carries out spacing by the pad (17) and screw (18) being fixedly connected on rotating shaft (2) lower end.
3. the control valve for dust pelletizing system as claimed in claim 1, it is characterized in that: described rotation drive mechanism includes cylinder (4), jackshaft ear supporter (6) and air cylinder support (5), jackshaft ear supporter (6) is installed on the cylinder barrel of described cylinder (4), the two ends of described jackshaft ear supporter (6) are installed in rotation on top board (5a) and the base plate (5b) of air cylinder support (5) respectively, described air cylinder support (5) is fixed in the support mounting seat (1e) on valve pipe (1b) outer wall, the tailpiece of the piston rod of described cylinder (4) is hinged with crank (11) other end.
4. the control valve for dust pelletizing system as claimed in claim 3, it is characterized in that: the tailpiece of the piston rod of described cylinder (4) is hinged with crank (11) by joint (7) and Assembly of pin, described joint (7) one end is arranged on the tailpiece of the piston rod of cylinder (4), and joint (7) other end is placed in the open slot on crank (11) Nei and is attached by Assembly of pin.
5. the control valve for dust pelletizing system as claimed in claim 4, it is characterised in that: described joint (7) uses flake joint (7).
6. the control valve for dust pelletizing system as claimed in claim 4, it is characterised in that: described Assembly of pin includes bearing pin (8), packing ring (9) and split pin (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610495618.9A CN105927740A (en) | 2016-06-29 | 2016-06-29 | Control valve used for dust removing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610495618.9A CN105927740A (en) | 2016-06-29 | 2016-06-29 | Control valve used for dust removing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105927740A true CN105927740A (en) | 2016-09-07 |
Family
ID=56829907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610495618.9A Pending CN105927740A (en) | 2016-06-29 | 2016-06-29 | Control valve used for dust removing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105927740A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108036062A (en) * | 2017-11-14 | 2018-05-15 | 凯喜姆阀门有限公司 | A kind of high pressure eccentric-butterfly-valve |
| CN112469492A (en) * | 2018-06-07 | 2021-03-09 | 金属塑料有限责任公司 | Closure device for a barrier system, in particular an isolator, filter unit, and barrier system |
| CN112974184A (en) * | 2021-03-31 | 2021-06-18 | 黄山诺帆科技装备制造有限公司 | Quick drying system for flat plate spraying line |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1047497A (en) * | 1996-07-31 | 1998-02-20 | Kubota Corp | Butterfly valve |
| CN201651348U (en) * | 2009-08-17 | 2010-11-24 | 江苏亿金环保设备工程有限公司 | Pneumatic butterfly valve |
| CN201768447U (en) * | 2010-07-14 | 2011-03-23 | 安徽省利特环保技术有限公司 | Valve for off-line dust cleaning device |
| CN202040342U (en) * | 2010-12-20 | 2011-11-16 | 西安磁林电气有限公司 | Butterfly valve |
| CN202232952U (en) * | 2011-10-20 | 2012-05-30 | 张家口卷烟厂有限责任公司 | Automatic control pneumatic valve device for dust removal duct of cigarette making machine |
| CN205173513U (en) * | 2015-11-16 | 2016-04-20 | 金华鼎力环保科技有限公司 | Pneumatic butterfly valve of dust pelletizing system |
| CN205780928U (en) * | 2016-06-29 | 2016-12-07 | 无锡洲翔成套焊接设备有限公司 | Control valve for dust pelletizing system |
-
2016
- 2016-06-29 CN CN201610495618.9A patent/CN105927740A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1047497A (en) * | 1996-07-31 | 1998-02-20 | Kubota Corp | Butterfly valve |
| CN201651348U (en) * | 2009-08-17 | 2010-11-24 | 江苏亿金环保设备工程有限公司 | Pneumatic butterfly valve |
| CN201768447U (en) * | 2010-07-14 | 2011-03-23 | 安徽省利特环保技术有限公司 | Valve for off-line dust cleaning device |
| CN202040342U (en) * | 2010-12-20 | 2011-11-16 | 西安磁林电气有限公司 | Butterfly valve |
| CN202232952U (en) * | 2011-10-20 | 2012-05-30 | 张家口卷烟厂有限责任公司 | Automatic control pneumatic valve device for dust removal duct of cigarette making machine |
| CN205173513U (en) * | 2015-11-16 | 2016-04-20 | 金华鼎力环保科技有限公司 | Pneumatic butterfly valve of dust pelletizing system |
| CN205780928U (en) * | 2016-06-29 | 2016-12-07 | 无锡洲翔成套焊接设备有限公司 | Control valve for dust pelletizing system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108036062A (en) * | 2017-11-14 | 2018-05-15 | 凯喜姆阀门有限公司 | A kind of high pressure eccentric-butterfly-valve |
| CN108036062B (en) * | 2017-11-14 | 2019-11-12 | 凯喜姆阀门有限公司 | A kind of high pressure eccentric-butterfly-valve |
| CN112469492A (en) * | 2018-06-07 | 2021-03-09 | 金属塑料有限责任公司 | Closure device for a barrier system, in particular an isolator, filter unit, and barrier system |
| CN112974184A (en) * | 2021-03-31 | 2021-06-18 | 黄山诺帆科技装备制造有限公司 | Quick drying system for flat plate spraying line |
| CN112974184B (en) * | 2021-03-31 | 2024-03-22 | 黄山诺帆科技装备制造有限公司 | Quick drying system for flat plate spraying line |
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| PB01 | Publication | ||
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170221 Address after: 214196 Donggang Industrial Park, Donggang Town, Xishan District, Jiangsu, Wuxi Applicant after: Wuxi Zhouxiang Laser Machinery Co., Ltd. Address before: 214196 Donggang Industrial Park, Donggang Town, Xishan District, Jiangsu, Wuxi Applicant before: Wuxi Zhouxiang Complete Set of Welding Equipment Co., Ltd. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160907 |
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| RJ01 | Rejection of invention patent application after publication |