CN205653685U - A blow machine of quarter that is used for plastic shop front top layer to blow carving anti -skid pattern - Google Patents
A blow machine of quarter that is used for plastic shop front top layer to blow carving anti -skid pattern Download PDFInfo
- Publication number
- CN205653685U CN205653685U CN201620364989.9U CN201620364989U CN205653685U CN 205653685 U CN205653685 U CN 205653685U CN 201620364989 U CN201620364989 U CN 201620364989U CN 205653685 U CN205653685 U CN 205653685U
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- blow
- quarter
- jet pipe
- top layer
- connecting rod
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Abstract
The utility model provides a blow machine of quarter that is used for plastic shop front top layer to blow carving anti -skid pattern, includes frame, operating condition running gear, blows the device at quarter, operating condition running gear comprises the running gear that two sets of symmetries set up, and each set running gear sets up side about the frame, two sets of running gear common drive respectively blow the walking of carving under the quick -witted operating condition, blowing and carving the device and include spray tube, pressure medium source and spray tube actuating mechanism, the pressure medium source is located the frame, and spray tube and spray tube actuating mechanism install in the frame anteriorly, spray tube bottom distribution nozzle, and spray tube management way connection pressure medium source, spray tube actuating mechanism drives spray tube reciprocating motion. Adopt the utility model discloses brand -new plastic shop front antiskid top layer construction process can be realized, when improve life, increasing the aesthetic property of plastic surface configuration, the efficiency of construction can also be improved greatly.
Description
Technical field
This utility model relates to a kind of plastic cement pavement construction equipment, particularly a kind of for top layer, plastic cement paving
That blows anti-skid design at quarter blows machine at quarter.
Background technology
High molecular synthetic material is constructed on the ground by plastic cement paving, is stadium of track and field, runway, court, children
The ground conventional pavings such as youngster garden playground, school playground.Plastic cement paving has suitable elasticity, energy
Sporter produces suitable bounce, and protection sporter joint and ligament, reduce injured danger simultaneously.
Plastic cement paving requires have certain non-skid property, it is ensured that its surface is not slided, and provides contact steady for sporter
Fixed safety sensation, though under humid conditions with vile weather in also can guarantee that underfooting of moving steady and sure,
Starting, accelerates, runs fast and safely.Additionally, plastic cement paving also needs to possess the anti-wear performance of brilliance and excellent
Good ageing resistace.The primary structure in plastic cement paving is made up of skid resistant surface and flexible substrate, elastic bottom
Layer is for providing good elasticity and shock absorption, and skid resistant surface plays wear-resisting and anti-skidding effect.Non slip surface
Layer obtains rough surface by directly pasting the method such as granule or direct spraying granule.Paste granule
Owing to randomness is relatively big, always have partial particulate bonding insecure, form threshing;Direct spraying glue and
Granule mixed liquor, although to some extent solve threshing defect, but by workmen technical merit,
Experience and the impact of careful degree, though technology very skilled worker operation, it is also difficult to ensure paving
Concordance and the uniformity.Ridge design is formed also by the die marks acted directly on non slip surface glue
Method, although this method can avoid threshing and problem of non-uniform, but have that labor intensity is high, make
Industry efficiency is low, mould consumes the drawbacks such as big, processing cost is high.Insider devises a kind of advanced at present
The construction method of skid resistant surface, be to utilize high pressure draught or current to blow out asperities on non slip surface glue top layer
Road, described method solves that tradition plastic cement paving granule is easy to fall off, the drawback of lack of homogeneity, with die pressing
Compare and there is the advantage that working performance is high, easily operated, processing cost is low.But the most still lack and implement to be somebody's turn to do
Special construction apparatus needed for method.
Utility model content
This utility model aim to provide a kind of blow for top layer, plastic cement paving carve anti-skid design blow machine at quarter, adopt
With described blow quarter machine can by high-pressure medium stream top layer, plastic cement paving winding-up carve out required anti-skidding flower
Stricture of vagina, while improving plastic cement paving Skid Resistant Course construction quality, increases substantially efficiency of construction.
Alleged by this utility model, problem solves by the following technical programs:
A kind of blow for top layer, plastic cement paving carve anti-skid design blow machine at quarter, including frame, duty row
Walking apparatus, blowing engraving device, described duty running gear is overlapped symmetrically arranged walking mechanisms by two and constitutes,
Each set walking mechanism is separately positioned on the left and right sides of frame, two set walking mechanisms jointly drive described in blow machine at quarter
Walking under duty;The described engraving device that blows includes jet pipe, pressure medium source and jet driving mechanism,
Pressure medium source is positioned in frame, and jet pipe and jet driving mechanism are arranged on frame front, spout base part
Cloth nozzle, jet pipe connects pressure medium source by the road, and jet driving mechanism drives jet pipe to move back and forth.
Above-mentioned blow for top layer, plastic cement paving carve anti-skid design blow machine at quarter, described jet driving mechanism includes
Drive motor, crank block assembly, guide rail and position limiting slide block, crank block assembly be provided with master slider,
Guide rail is fixed on frame front, and master slider, position limiting slide block coordinate with slide, master slider, spacing cunning
Block is respectively and fixedly connected with jet pipe installing rack, and jet pipe both sides are fixed with jet pipe installing rack, drives driven by motor slide crank
Block assembly action, master slider, position limiting slide block move along guide rail synchronous reciprocating, and jet pipe is with master slider, spacing
Slide block moves back and forth.
Above-mentioned blow for top layer, plastic cement paving carve anti-skid design blow machine at quarter, each set walking mechanism includes respectively
Movable motor, drivewheel, driven pulley, crawler belt and regulating wheel, movable motor is fixed at frame side wall,
Movable motor is in transmission connection drivewheel, and driven pulley is two, and two driven pulleys are separately positioned under frame side wall
Hold before and after portion, crawler belt ring set drivewheel and two driven pulleys;Regulating wheel is two, two regulating wheel distributions
In drivewheel both sides, regulating wheel is arranged on parts side-walls, and the wheel shaft top of one of them regulating wheel is provided with
Adjusting screw rod, presses tension wheel shaft bottom adjusting screw rod, adjusting screw rod top is provided with handwheel.
Above-mentioned blow for top layer, plastic cement paving carve anti-skid design blow machine at quarter, turn set up off working state walking
Device, off working state running gear includes propping up oil cylinder, fuel tank, the first live axle of be arrangeding in parallel
With the second live axle, master link, first prop up connecting rod, second prop up connecting rod, central rack is provided with
Casing, props up oil cylinder and fuel tank is positioned at casing, the two ends of first, second live axle respectively with casing
Wall is rotatably assorted, and the two ends position that first, second live axle is positioned at outside casing is provided with road wheel,
The afterbody propping up oil cylinder is hinged with box bottom, props up oil cylinder piston boom end hinged first and props up connecting rod
One end and the near-end of master link, first props up affixed first live axle of the other end of connecting rod, main connection
The distal end articulated of bar second props up connecting rod one end, and second props up affixed second live axle of the other end of connecting rod,
Prop up cylinder piston rod to stretch out first, second road wheel under state and prop up liftoff by device entirety.
Above-mentioned blow for top layer, plastic cement paving carve anti-skid design blow machine at quarter, the cross section of described jet pipe is
Circular or bucket shape, is provided with dividing plate in jet pipe, dividing plate along the length of jet pipe to setting, dividing plate both sides and spray
Being provided with gap between tube wall, dividing plate is provided with through flow hole, and described nozzle arranges a line or two row.
Above-mentioned blow for top layer, plastic cement paving carve anti-skid design blow machine at quarter, jet pipe installing rack be " [" shape,
The upper and lower side of jet pipe installing rack is respectively provided with fastening and the screw of adjustable jet tube upper-lower position.
Above-mentioned blow for top layer, plastic cement paving carve anti-skid design blow machine at quarter, described crank block assembly includes
Crank, first connecting rod, rocking bar, second connecting rod, master slider and rocking bar frame, the hinged first connecting rod of crank one
End, the first connecting rod other end hinged rocking bar upper end, hinged second connecting rod one end, rocking bar lower end, second connecting rod
The hinged master slider of the other end;Rocking bar frame is fixed in frame, hinged with rocking bar frame in the middle part of rocking bar, on rocking bar
It is provided with adjustment hole, adjusts rocking bar and can change master slider stroke relative to the position of rocking bar frame.
Above-mentioned blow for top layer, plastic cement paving carve anti-skid design blow machine at quarter, each driven pulley through connecting plate connect
Crawler belt pressing plate, crawler belt pressing plate presses the top at track length on ground.
Above-mentioned blow for top layer, plastic cement paving carve anti-skid design blow machine at quarter, the rotating speed of two movable motors by
PLC coordinates to control, and described driving motor is frequency conversion motor.
Above-mentioned blow for top layer, plastic cement paving carve anti-skid design blow machine at quarter, described pressure medium source is pressure
Source of the gas or be provided with the liquid container of the pump housing.
This utility model, for the making of plastic cement paving Skid Resistant Course ridge design, is not contacting plastic cement top layer
In the case of, by the high-pressure medium stream percussion to Skid Resistant Course, carve at plastic cement paving Skid Resistant Course
Carve regular or irregular ridge design.Use the plastic cement paving Skid Resistant Course that this utility model makes, solve
Conventional particles of having determined shape Skid Resistant Course granule is easy to fall off, the drawback of lack of homogeneity, anti-with what die pressing made
Sliding top layer is compared, and has the advantage that working performance is high, easily operated, processing cost is low.Use this practicality
Novel can realize brand-new plastic cement paving Skid Resistant Course construction technology, improve service life, increasing and mould
Glue surface configuration aesthetic property, multifarious at the same time it can also be greatly improved efficiency of construction.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the left view of Fig. 1;
Fig. 4 is the cross sectional representation of jet pipe;(not in scale)
Fig. 5 is the schematic diagram of dividing plate;(not in scale)
Fig. 6 is the schematic diagram of jet pipe another embodiment;
Fig. 7 is the schematic diagram of dividing plate another embodiment;
Fig. 8 is the schematic diagram of mechanism of crank block assembly.
In accompanying drawing, label is as follows: 1, frame, and 2, road wheel, 3, Box Cover, 4, first props up wheel shaft,
5, guide rail, 6, jet pipe, 6-1, dividing plate, 7, nozzle, 8, drive motor, 9, crank block assembly,
9-1, crank, 9-2, first connecting rod, 9-3, rocking bar, 9-4, rocking bar frame, 9-5, second connecting rod, 9-6,
Master slider, 10, second props up wheel shaft, 11, crawler belt, 12, jet pipe installing rack, 13, screw, 14,
Position limiting slide block, 15, casing, 16, movable motor, 17, first props up connecting rod, and 18, master link,
19, oil cylinder is propped up, 20, pressure medium source, 21, fuel tank, 22, second props up connecting rod, and 23, driven
Wheel, 24, regulating wheel, 25, drivewheel, 26, crawler belt pressing plate, 27, handwheel, 28, connecting plate.
Detailed description of the invention
This utility model includes frame, duty running gear, blows engraving device and off working state walking
Device.Each device is arranged in frame, and wherein, duty running gear is for anti-skidding in plastic cement paving
Frame is driven steadily, advance slowly when rag road is blown on top layer;Blow engraving device and blow machine work at quarter for described
In traveling process, the high-pressure medium stream sprayed by jet pipe is blown at plastic cement paving Skid Resistant Course and carves decorative pattern;
Off working state running gear blows machine at quarter and parts entirety is propped up in a non-operative state, by going described in being used for
Travelling wheel frames and external force drag under drive blow quarter machine walking.
Referring to Fig. 1-3, the walking mechanism that described duty running gear is arranged by two sets is constituted, and respectively overlaps
Walking mechanism is separately positioned on the left and right sides of frame 1, and two set walking mechanisms are symmetrical arranged, and structure constitutes phase
With.Each set walking mechanism includes movable motor 16, drivewheel 25, driven pulley 24, crawler belt 11 and respectively
Regulating wheel 24.Movable motor is fixed at frame side wall, and movable motor is in transmission connection drivewheel, drivewheel
It is arranged on the middle and upper part of sidewall.Driven pulley is two, and two driven pulleys are separately positioned on frame side wall bottom
Front and back end, crawler belt ring set drivewheel and two driven pulleys.Using caterpillar belt structure is to keep under duty
Blow machine at quarter to operate steadily, it is to avoid affect because of Uneven road and blow effect at quarter.For keeping the steady of walking further
Qualitative, each driven pulley is through connecting plate 28 connecting band track pressing plate 26, and crawler belt pressing plate presses crawler belt ground connection
The top of section.Regulating wheel 24 arranges two, and two regulating wheels are distributed in drivewheel both sides, and regulating wheel is pacified
Being contained in parts side-walls, the wheel shaft top of one of them regulating wheel is provided with adjusting screw rod, bottom adjusting screw rod
Pressing tension wheel shaft, adjusting screw rod top is provided with handwheel 27, and turning handle can regulate the degree of tightness journey of crawler belt
Degree.The rotating speed of two movable motors is coordinated to control by PLC, it is achieved the straight way of duty or bend walking.
Referring to Fig. 1, Fig. 2, off working state running gear includes propping up oil cylinder 19, fuel tank 21, parallel
Arrange the first live axle 4 and the second live axle 10, master link 18, first prop up connecting rod 17,
Second props up connecting rod 22.Being provided with casing 15 at central rack, casing top is provided with Box Cover 3, props up oil
Cylinder and fuel tank and two movable motors are installed in casing, and the two ends of first, second live axle are respectively
Supporting with box body wall, and box body wall is rotatably assorted, first, second live axle is positioned at outside box body wall
Two-end part is provided with road wheel 2.The afterbody propping up oil cylinder is hinged with box bottom, props up cylinder piston rod
One end of connecting rod and the near-end of master link are propped up in end hinged first, and first props up the other end of connecting rod admittedly
Connect the first live axle;The distal end articulated of master link second props up connecting rod one end, and second props up connecting rod
Affixed second live axle of the other end.Prop up cylinder piston rod and stretch out first, second road wheel general under state
Device entirety is propped up liftoff.Diagram state, for blowing machine duty at quarter, props up cylinder piston rod under this state
Regaining, four road wheels lift.When needs switch to inoperative walking states, prop up cylinder piston rod
Stretch out, prop up oil cylinder one end and lift, prop up cylinder piston rod drive first prop up connecting rod, master link move
Making, master link action drives the two the first to prop up connecting rod action, and first props up connecting rod, second company of propping up
Bar drives first, second live axle half-twist counterclockwise respectively, and four road wheels land, by frame
Prop up.
Referring still to Fig. 1, Fig. 2, jet driving mechanism includes driving motor 8, crank block assembly 9, leads
Rail 5 and position limiting slide block 14, be provided with master slider 9-6 in crank block assembly.Guide rail is fixed on frame front,
Master slider, position limiting slide block coordinate with slide, and master slider, position limiting slide block are respectively and fixedly connected with jet pipe installing rack
12, the both sides of jet pipe 6 are fixed by jet pipe installing rack, and jet pipe bottom is provided with nozzle 7.Between the nozzle of two ends
Effective active length of a length of jet pipe, this length dimension is and once can blow plastic cement paving Skid Resistant Course at quarter
Width.Driving driven by motor crank block assembly action, master slider, position limiting slide block synchronize past along guide rail
Multiple motion, jet pipe moves back and forth with master slider, position limiting slide block.Jet pipe installing rack 12 is " [" shape, spray
The upper and lower side of pipe installing rack is respectively provided with fastening and the screw 13 of adjustable jet tube upper-lower position, unclamps also
Turn screw, can adjust the high and low position of jet pipe, and lock-screw jet pipe is i.e. fixed.Jet pipe is by the road
Connecting with the pressure medium source 20 being arranged on frame rear portion, high-pressure medium is by jet pipe, nozzle ejection pressure
Medium stream blows out waveform lines on non slip surface glue top layer.Pressure medium source can use pressure gas source such as air pump,
Roots blower or be provided with the liquid container of the pump housing.Drive motor to use frequency conversion motor, drive electricity by changing
The rotating speed of machine can change the reciprocating action frequency of jet pipe.
The cross section of jet pipe 6 can be for the circle shown in Fig. 4, or the bucket shape shown in Fig. 6.For ensureing ejection
Medium stream stable, in jet pipe, be provided with dividing plate 6-1, dividing plate top is that medium equalizes chamber, and bottom is for being situated between
Matter distribution cavity, dividing plate is provided with gap between setting, dividing plate both sides and jet pipe wall, on dividing plate along the length of jet pipe
It is provided with through flow hole.Nozzle 6-1 can be to arrange a line as shown in Figure 4, or arranges two row as shown in Figure 6,
Depending on spacing between adjacent nozzle is according to the shape stricture of vagina spacing required by non slip surface glue.
Referring to Fig. 1, Fig. 2 and Fig. 6, described crank block assembly include crank 9-1, first connecting rod 9-2,
Rocking bar 9-3, second connecting rod 9-5, master slider 9-6 and rocking bar frame 9-4, crank hinged first connecting rod one end,
The first connecting rod other end hinged rocking bar upper end, hinged second connecting rod one end, rocking bar lower end, second connecting rod another
Hold hinged master slider;Rocking bar frame is fixed in frame, and hinged with rocking bar frame in the middle part of rocking bar, rocking bar is provided with
One teases and ridicule knothole, can change master slider stroke by adjusting rocking bar relative to the articulated position of rocking bar frame, thus
Change the movement travel of jet pipe.
This utility model can be actuated for blowing rag road, duty walking dress after non slip surface glue of mating formation
Putting action, pressure fluid medium is by the road, nozzle continuously or discontinuously sprays, with the displacement blowing machine at quarter
With the reciprocating motion of jet pipe, pressure fluid medium carves out required trench lines on non slip surface glue.One
After breadth layer blows quarter, switch to off working state running gear action, external force will blow machine at quarter and drag
To next construction location.
Claims (10)
1. one kind for top layer, plastic cement paving blow carve anti-skid design blow machine at quarter, it is characterised in that: include
Frame (1), duty running gear, blowing engraving device, described duty running gear is right by two sets
Claiming the walking mechanism arranged to constitute, each set walking mechanism is separately positioned on the left and right sides of frame, two set vehicle with walking machines
Structure blows the walking under machine duty at quarter described in jointly driving;The described engraving device that blows includes jet pipe (6), pressure
Power media source (20) and jet driving mechanism, pressure medium source is positioned in frame, jet pipe and jet driving
Mechanism is arranged on frame front, spout base portion distribution nozzles (7), and jet pipe connects pressure medium source by the road,
Jet driving mechanism drives jet pipe to move back and forth.
The most according to claim 1 blow for top layer, plastic cement paving carve anti-skid design blow machine at quarter,
It is characterized in that: described jet driving mechanism includes driving motor (8), crank block assembly (9), leads
Rail (5) and position limiting slide block (14), be provided with master slider (9-6) in crank block assembly, guide rail is fixed on
Frame front, master slider, position limiting slide block coordinate with slide, and master slider, position limiting slide block are respectively and fixedly connected with
Jet pipe installing rack (12), jet pipe both sides are fixed with jet pipe installing rack, drive driven by motor crank block assembly
Action, master slider, position limiting slide block move along guide rail synchronous reciprocating, and jet pipe is past with master slider, position limiting slide block
Multiple motion.
The most according to claim 2 blow for top layer, plastic cement paving carve anti-skid design blow machine at quarter,
It is characterized in that: each set walking mechanism includes movable motor (16), drivewheel (25), driven pulley respectively
(24), crawler belt (11) and regulating wheel (24), movable motor is fixed at frame side wall, movable motor
Be in transmission connection drivewheel, and driven pulley is two, before and after two driven pulleys are separately positioned on frame side wall bottom
End, crawler belt ring set drivewheel and two driven pulleys;Regulating wheel is two, and two regulating wheels are distributed in drivewheel
Both sides, regulating wheel is arranged on parts side-walls, and the wheel shaft top of one of them regulating wheel is provided with adjusting screw rod,
Pressing tension wheel shaft bottom adjusting screw rod, adjusting screw rod top is provided with handwheel (27).
The most according to claim 3 blow for top layer, plastic cement paving carve anti-skid design blow machine at quarter,
It is characterized in that: turning and set up off working state running gear, off working state running gear includes propping up oil
Cylinder (19), fuel tank (21), the first live axle (4) be arrangeding in parallel and the second live axle (10),
Master link (18), first propping up connecting rod (17), second prop up connecting rod (22), central rack is provided with case
Body (15), props up oil cylinder and fuel tank is positioned at casing, the two ends of first, second live axle respectively with case
Body wall is rotatably assorted, and the two ends position that first, second live axle is positioned at outside casing is provided with road wheel
(2), the afterbody propping up oil cylinder is hinged with box bottom, props up oil cylinder piston boom end hinged first and props up
One end of connecting rod and the near-end of master link, first props up affixed first live axle of the other end of connecting rod,
The distal end articulated of master link second props up connecting rod one end, and second props up affixed second row of the other end of connecting rod
Walk wheel shaft, prop up cylinder piston rod and stretch out first, second road wheel under state device entirety is propped up liftoff.
The most according to claim 4 blow for top layer, plastic cement paving carve anti-skid design blow machine at quarter,
It is characterized in that: the cross section of described jet pipe (6) is circular or bucket shape, is provided with dividing plate in jet pipe
(6-1), dividing plate along the length of jet pipe to being provided with gap, dividing plate between setting, dividing plate both sides and jet pipe wall
Being provided with through flow hole, described nozzle (6-1) arranges a line or two row.
The most according to claim 5 blow for top layer, plastic cement paving carve anti-skid design blow machine at quarter,
It is characterized in that: jet pipe installing rack (12) is for " [" shape, the upper and lower side of jet pipe installing rack is respectively equipped with
For fastening and the screw (13) of adjustable jet tube upper-lower position.
The most according to claim 6 blow for top layer, plastic cement paving carve anti-skid design blow machine at quarter,
It is characterized in that: described crank block assembly include crank (9-1), first connecting rod (9-2), rocking bar (9-3),
Second connecting rod (9-5), master slider (9-6) and rocking bar frame (9-4), crank hinged first connecting rod one end,
The first connecting rod other end hinged rocking bar upper end, hinged second connecting rod one end, rocking bar lower end, second connecting rod another
Hold hinged master slider;Rocking bar frame is fixed in frame, and hinged with rocking bar frame in the middle part of rocking bar, rocking bar is provided with
Adjustment hole, adjusts rocking bar and can change master slider stroke relative to the position of rocking bar frame.
The most according to claim 7 blow for top layer, plastic cement paving carve anti-skid design blow machine at quarter,
It is characterized in that: each driven pulley is through connecting plate (28) connecting band track pressing plate (26), crawler belt pressing plate
Press the top at track length on ground.
The most according to claim 8 blow for top layer, plastic cement paving carve anti-skid design blow machine at quarter,
It is characterized in that: the rotating speed of two movable motors is coordinated to control by PLC, and described driving motor is variable-frequency electric
Machine.
The most according to claim 9 blow for top layer, plastic cement paving carve anti-skid design blow machine at quarter,
It is characterized in that: described pressure medium source is pressure gas source or the liquid container being provided with the pump housing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620364989.9U CN205653685U (en) | 2016-04-27 | 2016-04-27 | A blow machine of quarter that is used for plastic shop front top layer to blow carving anti -skid pattern |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620364989.9U CN205653685U (en) | 2016-04-27 | 2016-04-27 | A blow machine of quarter that is used for plastic shop front top layer to blow carving anti -skid pattern |
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Publication Number | Publication Date |
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CN205653685U true CN205653685U (en) | 2016-10-19 |
Family
ID=57400768
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201620364989.9U Withdrawn - After Issue CN205653685U (en) | 2016-04-27 | 2016-04-27 | A blow machine of quarter that is used for plastic shop front top layer to blow carving anti -skid pattern |
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CN (1) | CN205653685U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105937197A (en) * | 2016-04-27 | 2016-09-14 | 廊坊爱康橡塑制品有限公司 | Plastic pavement surface layer antiskid pattern blowing-engraving machine |
-
2016
- 2016-04-27 CN CN201620364989.9U patent/CN205653685U/en not_active Withdrawn - After Issue
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105937197A (en) * | 2016-04-27 | 2016-09-14 | 廊坊爱康橡塑制品有限公司 | Plastic pavement surface layer antiskid pattern blowing-engraving machine |
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Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20161019 Effective date of abandoning: 20180522 |
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AV01 | Patent right actively abandoned |