CN109375664A - A kind of emulsion explosive production line temperature controlled safe interlock system - Google Patents
A kind of emulsion explosive production line temperature controlled safe interlock system Download PDFInfo
- Publication number
- CN109375664A CN109375664A CN201811439649.8A CN201811439649A CN109375664A CN 109375664 A CN109375664 A CN 109375664A CN 201811439649 A CN201811439649 A CN 201811439649A CN 109375664 A CN109375664 A CN 109375664A
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- Prior art keywords
- splicing
- plate
- side plate
- temperature
- module
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- 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.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B21/00—Apparatus or methods for working-up explosives, e.g. forming, cutting, drying
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a kind of emulsion explosive production line temperature controlled safe interlock systems, including cabinet body component, display screen, operating block, terminal plate, switch, cradle, universal wheel, flase floor, fixture nut, first partition, electronic box, second partition, module base, fixed plate, sliding slot, operating cavity, sliding block, shaft, operation panel, air inlet, air outlet, radiating subassembly, temperature collecting module, temperature detecting module, Temperature Treatment module and temperature control modules, the cabinet body component includes splicing bottom plate, first splicing side plate, boss, splice cover board, caulking groove and the second splicing side plate, the top side opposite ends of the splicing bottom plate are mounted on the first splicing side plate, the second splicing side plate is equipped with by hinge between the first splicing side plate upper and lower ends, splicing cover board is installed at the top of the second splicing side plate, this is System, installing and dismounting is simple, conveniently moving, and it is convenient to operate, and good heat dissipation effect, work efficiency is high.
Description
Technical field
The present invention relates to Emulsion Explosive Production technical fields, specially a kind of emulsion explosive production line temperature controlled safe interlocking system
System.
Background technique
Emulsion is the effect by emulsifier, makes the droplet of oxidant salts solution, be dispersed in containing point
In the oily phase continuous media of porous masses such as air-dispersing bubble or hollow glass micropearl, a kind of latex shaped explosive charge of water-in-oil type is formed,
It is a kind of a new type of industrial explosive, in the production process of emulsion, it would be desirable to be carried out to the temperature control of production line stringent
It checks on, guarantees the safety of Emulsion Explosive Production, emulsion explosive production line temperature controlled safe interlock system installation in the prior art
Disassembly trouble, it is mobile inconvenient, it is troublesome in poeration, while heat dissipation effect is poor, influences the working efficiency of system, therefore, designs one kind
Emulsion explosive production line temperature controlled safe interlock system is necessary.
Summary of the invention
The purpose of the present invention is to provide a kind of emulsion explosive production line temperature controlled safe interlock systems, to solve above-mentioned background
The problem of being proposed in technology.
In order to solve the above technical problem, the present invention provides following technical solutions: a kind of emulsion explosive production line temperature control peace
Full interlock system, including cabinet body component, display screen, operating block, terminal plate, switch, cradle, universal wheel, flase floor, fixed spiral shell
Mother, first partition, electronic box, second partition, module base, fixed plate, sliding slot, operating cavity, sliding block, shaft, operation panel, air inlet
Mouth, air outlet, radiating subassembly, temperature collecting module, temperature detecting module, Temperature Treatment module and temperature control modules, it is described
Cabinet body component includes splicing bottom plate, the first splicing side plate, boss, splicing cover board, caulking groove and the second splicing side plate, the splicing bottom
The top side opposite ends of plate are mounted on the first splicing side plate, pass through conjunction between the first splicing side plate upper and lower ends
Page is equipped with the second splicing side plate, and splicing cover board, the splicing cover board and splicing bottom are equipped at the top of the second splicing side plate
The side opposite ends of plate offer caulking groove, and the both ends of the first splicing side plate are provided with boss, the boss with it is embedding
Slot matches, and the side opposite ends of the first splicing side plate pass through fixture nut and splice side plate and second with first respectively
Splicing side plate is fixedly connected, and the surface crown side of the second splicing side plate is provided with display screen, the side of the display screen
It is provided with operating block, formation operation chamber in the operating block, the inside two sides of the operating cavity are welded with fixed plate, described solid
The centre of fixed board offers sliding slot, and the sliding slot is matched with sliding block, and the side of the sliding block is equipped with operating surface by shaft
Plate, the bottom four corners of the splicing bottom plate are mounted on universal wheel, and the top center of the splicing bottom plate is equipped with radiating subassembly；
The radiating subassembly includes shield, driving motor, bearing block, flabellum, active carbon layer and baffle plate, the splicing
The top center of bottom plate has been bolted shield, and the bosom of the shield is provided with driving motor, the driving electricity
The output shaft of machine is connect by shaft coupling with bearing block, and flabellum, the top peace of the flabellum are provided on the outside of the bearing block
Equipped with active carbon layer, the active carbon layer and baffle plate bottom are glued, and are equipped with second partition above the shield, described
The both ends of second partition are connect with the first splicing side plate side wall, and the top side of the second partition is equipped with module base, described
The top other side of second partition is connect with operating block bottom, is provided with first partition above the operating block, and described first
The both ends of partition are connect with the first splicing side plate side wall, and the top center of the first partition is provided with electronic box.
Further, the surface bottom portion side of the second splicing side plate is provided with terminal plate, the side of the terminal plate
It is provided with switch, the side of the switch is equipped with cradle.
Further, temperature collecting module, temperature detecting module, Temperature Treatment are respectively arranged at the top of the module base
Module and temperature control modules, the temperature collecting module are connect by signal with temperature detecting module, the temperature detection mould
Block is connect by signal with Temperature Treatment module, and the Temperature Treatment module is connect by signal with temperature control modules.
Further, the surface crown of the operating block is connect by hinge with dustproof cover.
Further, the centre of the first splicing side plate offers mounting groove, is provided with flase floor in the mounting groove.
Further, the side of the universal wheel is provided with brake block, and mounting rack welds at the top of the brake block and universal wheel
It connects.
Further, one end of the fixture nut passes through boss and the first splicing side plate and the second fixed company of splicing side plate
It connects, the fixture nut and the contact surface of the first splicing side plate are provided with fastening gasket.
Further, the bottom side of the first splicing side plate offers air inlet, the bottom of the first splicing side plate
The portion other side offers air outlet, and the interior side of the air inlet and air outlet is provided with Air Filter, the air inlet and goes out
The inside other side in air port is provided with dry cotton.
Further, by connecting at the top of welding and shield, the driving motor passes through weldering at the both ends of the baffle plate
It connects and is connect with splicing bottom plate.
Compared with prior art, the beneficial effects obtained by the present invention are as follows being:
1. the first splicing side plate of top installation and the second splicing side plate, boss and caulking groove in splicing bottom plate match, lead to
It crosses fixture nut and will splice cover board and be fixed at the top of the first splicing side plate and the second splicing side plate, by universal wheel mobile system,
It turns on the switch, pulls sliding block, the angle of operation panel is adjusted by shaft, temperature collecting module is acquired temperature, will adopt
Information after collection is transported to temperature detecting module by signal, and temperature detecting module detects temperature, and by temperature
Reason module handles temperature, the adjusting in temperature is carried out finally by temperature control modules, by adjusting operation panel pair
System carries out the adjusting in terms of temperature, and shows on a display screen, and system installing and dismounting is simple, conveniently moving, and it is convenient to operate；
2. system can generate big heat when working, driving motor work drives bearing block rotation, is further driven to flabellum
Extraneous air is imported into interior of the cabinet by air inlet by rotation, and active carbon layer adsorbs the impurity in air, passes through baffle plate
Clean air is oriented to electronic component, air is discharged by air outlet, completion radiating treatment, good heat dissipation effect, system
Work efficiency is high.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is cabinet body component structure diagram of the invention；
Fig. 3 is whole interior structural schematic diagram of the invention；
Fig. 4 is heat radiation assembly structure schematic diagram of the invention；
Fig. 5 is system flow chart of the invention；
In figure: 1, cabinet body component；111, splice bottom plate；112, the first splicing side plate；113, boss；114, splice cover board；
115, caulking groove；116, the second splicing side plate；2, display screen；3, operating block；4, terminal plate；5, it switchs；6, cradle；7, universal
Wheel；8, flase floor；9, fixture nut；10, first partition；11, electronic box；12, second partition；13, module base；14, fixed plate；
15, sliding slot；16, operating cavity；17, sliding block；18, shaft；19, operation panel；20, air inlet；21, air outlet；22, heat dissipation group
Part；221, shield；222, driving motor；223, bearing block；224, flabellum；225, active carbon layer；226, baffle plate；23, warm
Spend acquisition module；24, temperature detecting module；25, Temperature Treatment module；26, temperature control modules.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-5 is please referred to, the present invention provides a kind of technical solution: a kind of emulsion explosive production line temperature controlled safe interlocking system
System, including cabinet body component 1, display screen 2, operating block 3, terminal plate 4, switch 5, cradle 6, universal wheel 7, flase floor 8, fixed spiral shell
Mother 9, electronic box 11, second partition 12, module base 13, fixed plate 14, sliding slot 15, operating cavity 16, sliding block 17, turns first partition 10
Axis 18, operation panel 19, air inlet 20, air outlet 21, radiating subassembly 22, temperature collecting module 23, temperature detecting module 24, temperature
Processing module 25 and temperature control modules 26 are spent, cabinet body component 1 includes that splicing bottom plate 111, first splices side plate 112, boss
113, splice cover board 114, caulking groove 115 and the second splicing side plate 116, the top side opposite ends of splicing bottom plate 111 to be respectively mounted
There is the first splicing side plate 112, the second splicing side plate 116 be equipped with by hinge between the first splicing 112 upper and lower ends of side plate,
The centre of first splicing side plate 112 offers mounting groove, and flase floor 8 is provided in mounting groove, improves heat dissipation effect；Second splicing
Splicing cover board 114 is installed, splicing cover board 114 and the side opposite ends for splicing bottom plate 111 offer embedding at the top of side plate 116
The both ends of slot 115, the first splicing side plate 112 are provided with boss 113, and boss 113 is matched with caulking groove 115, the first splicing side
It is fixed with the first splicing side plate 112 and the second splicing side plate 116 respectively that the side opposite ends of plate 112 pass through fixture nut 9
Connection, one end of fixture nut 9 pass through boss 113 and are fixedly connected with the first splicing side plate 112 and the second splicing side plate 116, Gu
The contact surface for determining nut 9 and the first splicing side plate 112 is provided with fastening gasket, so that connection is more stable；Second splicing side plate 116
Surface crown side be provided with display screen 2, the side of display screen 2 is provided with operating block 3, and the surface crown of operating block 3 passes through
Hinge is connect with dustproof cover, prevents dust from entering operating block 3；Formation operation chamber 16 in operating block 3, the inside two of operating cavity 16
Side is welded with fixed plate 14, and the centre of fixed plate 14 offers sliding slot 15, and sliding slot 15 is matched with sliding block 17, and the one of sliding block 17
Side is equipped with operation panel 19 by shaft 18, and the surface bottom portion side of the second splicing side plate 116 is provided with terminal plate 4, wiring
The side of plate 4 is provided with switch 5, and the side of switch 5 is equipped with cradle 6, convenient for the use of system；Splice the bottom of bottom plate 111
Portion quadrangle is mounted on universal wheel 7, and the side of universal wheel 7 is provided with brake block, and brake block and 7 top mounting rack of universal wheel weld
It connects, facilitates the movement of system；The top center of splicing bottom plate 111 is equipped with radiating subassembly 22；Radiating subassembly 22 includes shield
221, driving motor 222, bearing block 223, flabellum 224, active carbon layer 225 and baffle plate 226, splice bottom plate 111 top in
Between be bolted shield 221, the bosom of shield 221 is provided with driving motor 222, the output of driving motor 222
Axis is connect by shaft coupling with bearing block 223, and the outside of bearing block 223 is provided with flabellum 224, and the top of flabellum 224 is equipped with
Active carbon layer 225, active carbon layer 225 and 226 bottom of baffle plate are glued, and the both ends of baffle plate 226 pass through welding and shield 221
Top connection, driving motor 222 are connect by welding with splicing bottom plate 111, and the stability of structure is increased；Shield 221 it is upper
Side is equipped with second partition 12, and the both ends of second partition 12 are connect with the first splicing 112 side wall of side plate, the top of second partition 12
Side is equipped with module base 13, and the top of module base 13 is respectively arranged with temperature collecting module 23, temperature detecting module 24, temperature
Processing module 25 and temperature control modules 26, temperature collecting module 23 are connect by signal with temperature detecting module 24, temperature inspection
It surveys module 24 to connect by signal with Temperature Treatment module 25, Temperature Treatment module 25 is connected by signal and temperature control modules 26
It connects, preferably temperature is controlled；The top other side of second partition 12 is connect with 3 bottom of operating block, the top of operating block 3
It is provided with first partition 10, the both ends of first partition 10 are connect with the first splicing 112 side wall of side plate, in the top of first partition 10
Between be provided with electronic box 11, the bottom side of the first splicing side plate 112 offers air inlet 20, the bottom of the first splicing side plate 112
The other side offers air outlet 21, and the interior side of air inlet 20 and air outlet 21 is provided with Air Filter, air inlet 20 and outlet air
The inside other side of mouth 21 is provided with dry cotton, improves the convenience used；In the first splicing of top installation of splicing bottom plate 111
Side plate 112 and the second splicing side plate 116, boss 113 and caulking groove 115 match, and are consolidated by fixture nut 9 by cover board 114 is spliced
It is scheduled on the first splicing side plate 112 and 116 top of the second splicing side plate and turns on the switch 5 by 7 mobile system of universal wheel, pull and slide
Block 17 adjusts the angle of operation panel 19 by shaft 18, and temperature collecting module 23 is acquired temperature, by the letter after acquisition
Breath is transported to temperature detecting module 24 by signal, and temperature detecting module 24 detects temperature, and passes through Temperature Treatment mould
Block 25 handles temperature, the adjusting in temperature is carried out finally by temperature control modules 26, by adjusting operation panel 19
Adjusting in terms of carrying out temperature to system, and show on the display screen 2, system installing and dismounting is simple, conveniently moving, and operation is just
It is prompt；System can generate big heat when working, driving motor 222 works, and drive bearing block 223 to rotate, be further driven to flabellum
Extraneous air is imported into interior of the cabinet by air inlet 20 by 224 rotations, and active carbon layer 225 adsorbs the impurity in air, leads to
It crosses baffle plate 226 and clean air is oriented to electronic component, air is discharged by air outlet 21, complete radiating treatment, heat dissipation
Effect is good, and work efficiency is high for system.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (9)
1. a kind of emulsion explosive production line temperature controlled safe interlock system, including cabinet body component (1), display screen (2), operating block (3),
Terminal plate (4), switch (5), cradle (6), universal wheel (7), flase floor (8), fixture nut (9), first partition (10), electronic box
(11), second partition (12), module base (13), fixed plate (14), sliding slot (15), operating cavity (16), sliding block (17), shaft
(18), operation panel (19), air inlet (20), air outlet (21), radiating subassembly (22), temperature collecting module (23), temperature inspection
Survey module (24), Temperature Treatment module (25) and temperature control modules (26), it is characterised in that: the cabinet body component (1) includes
Splice bottom plate (111), the first splicing side plate (112), boss (113), splicing cover board (114), caulking groove (115) and the second splicing side
The top side opposite ends of plate (116), splicing bottom plate (111) are mounted on the first splicing side plate (112), and described first
The second splicing side plate (116), the second splicing side plate are equipped with by hinge between splicing side plate (112) upper and lower ends
(116) top is equipped with splicing cover board (114), and splicing cover board (114) and the side opposite ends for splicing bottom plate (111) are equal
Offer caulking groove (115), it is described first splicing side plate (112) both ends be provided with boss (113), the boss (113) with
Caulking groove (115) matches, and the side opposite ends of first splicing side plate (112) pass through fixture nut (9) respectively with the
One splicing side plate (112) is fixedly connected with the second splicing side plate (116), the surface crown one of second splicing side plate (116)
Side is provided with display screen (2), and the side of the display screen (2) is provided with operating block (3), the interior formation operation of the operating block (3)
The inside two sides of chamber (16), the operating cavity (16) are welded with fixed plate (14), and the centre of the fixed plate (14) offers
Sliding slot (15), the sliding slot (15) match with sliding block (17), and the side of the sliding block (17) is equipped with behaviour by shaft (18)
Make panel (19), the bottom four corners of splicing bottom plate (111) are mounted on universal wheel (7), the top of splicing bottom plate (111)
Radiating subassembly (22) are installed among portion；
The radiating subassembly (22) includes shield (221), driving motor (222), bearing block (223), flabellum (224), activity
The top center of layer of charcoal (225) and baffle plate (226), splicing bottom plate (111) has been bolted shield (221), described
The bosom of shield (221) is provided with driving motor (222), and the output shaft of the driving motor (222) passes through shaft coupling
It connect with bearing block (223), is provided with flabellum (224) on the outside of the bearing block (223), the top peace of the flabellum (224)
Equipped with active carbon layer (225), the active carbon layer (225) and baffle plate (226) bottom are glued, the shield (221) it is upper
Side is equipped with second partition (12), and the both ends of the second partition (12) are spliced side plate (112) side wall with first and connect, and described the
The top side of two partitions (12) is equipped with module base (13), the top other side and operating block (3) of the second partition (12)
Bottom connects, and is provided with first partition (10) above the operating block (3), and the both ends of the first partition (10) are spelled with first
The connection of side plate (112) side wall is connect, the top center of the first partition (10) is provided with electronic box (11).
2. a kind of emulsion explosive production line temperature controlled safe interlock system according to claim 1, it is characterised in that: described
The surface bottom portion side of two splicings side plate (116) is provided with terminal plate (4), and the side of the terminal plate (4) is provided with switch
(5), the side of the switch (5) is equipped with cradle (6).
3. a kind of emulsion explosive production line temperature controlled safe interlock system according to claim 1, it is characterised in that: the mould
Be respectively arranged at the top of block (13) temperature collecting module (23), temperature detecting module (24), Temperature Treatment module (25) and
Temperature control modules (26), the temperature collecting module (23) are connect by signal with temperature detecting module (24), the temperature
Detection module (24) is connect by signal with Temperature Treatment module (25), and the Temperature Treatment module (25) passes through signal and temperature
Control module (26) connection.
4. a kind of emulsion explosive production line temperature controlled safe interlock system according to claim 1, it is characterised in that: the behaviour
The surface crown for making block (3) is connect by hinge with dustproof cover.
5. a kind of emulsion explosive production line temperature controlled safe interlock system according to claim 1, it is characterised in that: described
The centre of one splicing side plate (112) offers mounting groove, and flase floor (8) are provided in the mounting groove.
6. a kind of emulsion explosive production line temperature controlled safe interlock system according to claim 1, it is characterised in that: described ten thousand
The side of wheel (7) is provided with brake block, mounting rack welds at the top of the brake block and universal wheel (7).
7. a kind of emulsion explosive production line temperature controlled safe interlock system according to claim 1, it is characterised in that: described solid
The one end for determining nut (9) passes through boss (113) and is fixedly connected with the first splicing side plate (112) and the second splicing side plate (116), institute
It states fixture nut (9) and the contact surface of the first splicing side plate (112) is provided with fastening gasket.
8. a kind of emulsion explosive production line temperature controlled safe interlock system according to claim 1, it is characterised in that: described
The bottom side of one splicing side plate (112) offers air inlet (20), and the bottom other side of first splicing side plate (112) is opened
Equipped with air outlet (21), the interior side of the air inlet (20) and air outlet (21) is provided with Air Filter, the air inlet
(20) and the inside other side of air outlet (21) is provided with dry cotton.
9. a kind of emulsion explosive production line temperature controlled safe interlock system according to claim 1, it is characterised in that: the folding
By connecting at the top of welding and shield (221), the driving motor (222) passes through welding and splicing at the both ends of flowing plate (226)
Bottom plate (111) connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811439649.8A CN109375664A (en) | 2018-11-29 | 2018-11-29 | A kind of emulsion explosive production line temperature controlled safe interlock system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811439649.8A CN109375664A (en) | 2018-11-29 | 2018-11-29 | A kind of emulsion explosive production line temperature controlled safe interlock system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109375664A true CN109375664A (en) | 2019-02-22 |
Family
ID=65377386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811439649.8A Withdrawn CN109375664A (en) | 2018-11-29 | 2018-11-29 | A kind of emulsion explosive production line temperature controlled safe interlock system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109375664A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110750119A (en) * | 2019-11-25 | 2020-02-04 | 耒阳金悦科技发展有限公司 | Temperature control device for potassium chlorate intelligent production line |
-
2018
- 2018-11-29 CN CN201811439649.8A patent/CN109375664A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110750119A (en) * | 2019-11-25 | 2020-02-04 | 耒阳金悦科技发展有限公司 | Temperature control device for potassium chlorate intelligent production line |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 510000 Guangda Road, Lianyi Village, Zengjiang Street, Zengcheng District, Guangzhou City, Guangdong Province, 28 Applicant after: Guangdong Hongda Civil Explosion Group Co., Ltd. Address before: 510640 Guangda Road, Lianyi Village, Zengjiang Street, Zengcheng District, Guangzhou City, Guangdong Province, 28 Applicant before: Guangdong Hongda Zenghua Blasting Co., Ltd. |
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190222 |