CN213449381U - Gap jointing device is built by laying bricks or stones to landscape building - Google Patents
Gap jointing device is built by laying bricks or stones to landscape building Download PDFInfo
- Publication number
- CN213449381U CN213449381U CN202021995305.8U CN202021995305U CN213449381U CN 213449381 U CN213449381 U CN 213449381U CN 202021995305 U CN202021995305 U CN 202021995305U CN 213449381 U CN213449381 U CN 213449381U
- Authority
- CN
- China
- Prior art keywords
- backup pad
- hole
- subassembly
- pointing
- scraper
- 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.)
- Active
Links
Images
Landscapes
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The utility model relates to a landscape building builds gap pointing device by laying bricks or stones, it includes the backup pad, the backup pad level sets up, the vertical a plurality of vertical boards that are provided with of backup pad lower surface, first through-hole and second through-hole have been seted up in the backup pad, be provided with the ejection of compact subassembly that is used for going out the thick liquid in the backup pad, the ejection of compact subassembly runs through first through-hole and first through-hole inner wall fixed connection, is provided with the pointing subassembly that is used for scraping the seam in the backup pad, the pointing subassembly runs through second through-hole and second through-hole threaded connection, along construction advancing direction during the use, ejection of compact subassembly is located pointing subassembly the place ahead, this application has the effect that reduces staff.
Description
Technical Field
The application relates to the field of building construction, especially, relate to a landscape architecture builds gap jointing device by laying bricks or stones.
Background
Pointing means to fill with the mortar with the gap between two adjacent masonry block materials plump, and its effect is that the effectual connection of building between the block material of building by laying bricks or stones is more firm about letting, prevents inside the wind and rain invasion wall body, lays the road surface ceramic tile in landscape after, carries out pointing to the gap between two adjacent ceramic tiles and handles, makes adjacent masonry block connect more firmly and make the road surface neat pleasing to the eye.
When pointing processing is carried out to adjacent block of building by laying bricks or stones among the correlation technique, be the construction advancing direction along the gap length direction between the adjacent brickwork during pointing, fill out thick liquid earlier along construction advancing direction and carry out pointing again, often adopt the pointing ware of reinforcing bar bending type one-tenth to carry out pointing, the pointing ware that adopts the reinforcing bar to buckle is difficult to control the depth of colluding, inconvenient construction, need fill the gap many times and lead to staff's operating efficiency to reduce.
In view of the above-mentioned related technologies, the inventor thinks that there is a defect that the pointing device is difficult to control the pointing depth, and the gap needs to be filled many times, which reduces the operating efficiency of the worker.
SUMMERY OF THE UTILITY MODEL
In order to improve the pointing ware and be difficult to control the depth of drawing a hook, need fill the defect that the gap leads to staff operating efficiency to reduce many times, this application provides a landscape building masonry gap pointing device.
The application provides a landscape building builds gap pointing device by laying bricks or stones adopts following technical scheme:
the utility model provides a landscape building builds gap pointing device by laying bricks or stones, includes the backup pad, the backup pad level sets up, the vertical a plurality of vertical boards that are provided with of backup pad lower surface, first through-hole and second through-hole have been seted up in the backup pad, are provided with the ejection of compact subassembly that is used for going out the thick liquid in the backup pad, and the ejection of compact subassembly runs through first through-hole and first through-hole inner wall fixed connection, is provided with the pointing subassembly that is used for scraping the seam in the backup pad, and the pointing subassembly runs through second through-hole and second through-hole threaded connection, along construction advancing direction during the use, and the ejection.
Through adopting above-mentioned technical scheme, when the staff used the pointing device to carry out pointing to the gap between the adjacent brickwork, drop into the ejection of compact subassembly with the mortar in, along the construction route of travel, ejection of compact subassembly outflow mortar fills the gap, and the pointing subassembly is located ejection of compact subassembly rear, carries out pointing to the gap of filling, reduces the artifical time that uses the mortar to fill the gap, and can be continuous carry out pointing, and the pointing degree of depth is even, has improved staff's operating efficiency.
Optionally, the ejection of compact subassembly includes hopper and ejection of compact mouth, goes out hopper outer wall and first through-hole inner wall fixed connection, ejection of compact mouth and ejection of compact hopper threaded connection, and ejection of compact mouth is located the backup pad below, the pointing subassembly includes swing arm and scraper, and the second through-hole and second through-hole threaded connection are worn to locate by the swing arm, and the swing arm is located one end and scraper fixed connection of backup pad below.
Through adopting above-mentioned technical scheme, ejection of compact mouth is located treats to fill between the gap, and the mortar passes through during the more accurate inflow gap of ejection of compact mouth, and different diameter ejection of compact mouths can be changed according to work needs to the ejection of compact mouth, and the working distance between scraper and the ground is adjusted to the rotating swing arm, and the scraper surface is pointing to the gap, has reduced the staff and has filled the mortar and carry out the time of pointing again, has improved staff's operating efficiency.
Optionally, two opposite sides of the scraper are bent inwards, and the concave surface of the scraper is arranged upwards.
Through adopting above-mentioned technical scheme, set up the scraper into the semicircle arc-shaped, can effectively guarantee the depth of drawing a hook between the brickwork, make the depth of pointing unified, guarantee to form the quality of mortar joint.
Optionally, a positioning rod is arranged on the supporting plate, penetrates through the supporting plate and is in threaded connection with the supporting plate, the center of the bottom of the positioning rod is arranged in an outward protruding mode, and the positioning rod is located in front of the discharging assembly along the construction advancing direction.
Through adopting above-mentioned technical scheme, need crack the processing before the pointing, the protruding one end of locating lever inserts the gap between the brickwork, and the locating lever cracks the processing before the mortar is filled, thereby reduces the quality that the gap degree of depth is uneven influences the mortar joint between the brickwork to the locating lever can play the effect of direction, reduces the condition in scraper skew gap.
Optionally, the positioning rod is fixedly sleeved with a hairbrush, and the hairbrush is arranged close to one end of the protrusion of the positioning rod
Through adopting above-mentioned technical scheme, when the gap between the setting lever pair brickwork slotted the processing, debris such as subaerial small stone are pushed away to the brush, thereby receive the hindrance when reducing the scraper and carrying out the pointing processing and influence the pointing quality.
Optionally, the lower surface of the supporting plate is provided with a recovery assembly for recovering slurry, the recovery assembly is detachably connected with the supporting plate, and the recovery assembly is located behind the pointing assembly along the construction advancing direction.
Through adopting above-mentioned technical scheme, the back is handled in pointing to the subassembly, and unnecessary mortar can spill over the both sides in gap, adopts the recovery subassembly to retrieve unnecessary mortar and recycles, has reduced the time that the staff reprocessed unnecessary mortar simultaneously, has improved staff's operating efficiency.
Optionally, retrieve the subassembly including retrieving box, screw rod and scraper blade, the screw rod runs through backup pad and backup pad threaded connection, and the screw rod bottom is connected with scraper blade upper surface fixed, and scraper blade upper surface symmetry is provided with the baffle, and baffle length direction sets up along construction direction, retrieves box one end and is the opening form, retrieves box opening one end and towards the scraper blade, retrieves the box and can dismantle with the backup pad and be connected.
Through adopting above-mentioned technical scheme, the back is scraped with unnecessary mortar to the scraper blade, enters into along the scraper blade upper surface and retrieves the box in, and the baffle restriction mortar flows out from the scraper blade both sides, retrieves unnecessary mortar, and it can dismantle to retrieve the box, will retrieve the mortar in the box and drop into ejection of compact subassembly again, has improved the utilization ratio of mortar.
Optionally, the lower surface of the supporting plate is provided with a plurality of limiting plates, the limiting plates are arranged at intervals and hinged with the supporting plate, magnets are fixedly arranged on the limiting plates, a plurality of clamping grooves are formed in the side wall, opposite to the recovery box, of the recovery box, the recovery box is made of magnetic materials, and the recovery box is fixed by matching magnetism with the clamping grooves.
Through adopting above-mentioned technical scheme, retrieve the box lateral wall and set up a plurality of draw-in grooves, use the magnetic adsorption to retrieve the box, adjust the height between retrieving box and the ground according to operational aspect, retrieve the draw-in groove on the box and make and retrieve the difficult slip of box.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the discharging assembly and the pointing assembly are arranged, the discharging assembly is used for filling mortar into a masonry gap, and the pointing assembly is used for pointing at the rear part, so that the operation efficiency is improved;
2. the positioning rods are arranged to perform slotting treatment on masonry gaps, so that the influence on mortar joint quality due to uneven gap depth is reduced, a positioning and guiding effect is achieved, and the operation efficiency is improved;
3. the setting of recovery subassembly, the gap of scraper blade to handling through the pointing is maintained, has carried out recovery and has recycled redundant mortar.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a cross-sectional view of an embodiment of the present application;
FIG. 3 is an exploded view showing a first via and a second via;
FIG. 4 is a schematic view showing the structure of the magnet;
fig. 5 is a schematic diagram showing a structure of the card slot.
Description of reference numerals: 1. a support plate; 11. a vertical plate; 12. a first through hole; 13. a second through hole; 14. positioning a rod; 141. a brush; 2. a discharge assembly; 21. a discharge hopper; 22. a discharging nozzle; 3. a pointing assembly; 31. rotating the rod; 32. a scraper; 4. a recovery assembly; 41. a recovery box; 411. a card slot; 42. a screw; 43. a squeegee; 431. a baffle plate; 5. a limiting plate; 51. a magnet; 6. a handle; 7. and (5) brickwork.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses landscape building builds gap jointing device by laying bricks or stones.
Referring to fig. 1, a landscape architecture building gap pointing device includes a supporting plate 1, a construction advancing direction is set along a length direction of a gap between adjacent masonry bodies 7, the supporting plate 1 is horizontally arranged, the length direction of the supporting plate 1 is set along the construction advancing direction, a handle 6 is fixedly arranged on the upper surface of the supporting plate 1, two vertical plates 11 are vertically and fixedly arranged on the lower surface of the supporting plate 1, the two vertical plates 11 are respectively positioned on two sides of the edge of the length direction of the supporting plate 1, a positioning rod 14, a discharging component 2, a pointing component 3 and a recovery component 4 are sequentially arranged on the supporting plate 1 along the construction advancing direction, the positioning rod 14, the discharging component 2, the pointing component 3 and the recovery component 4 all penetrate through the supporting plate 1 and are positioned on the same straight line, and the positioning rod 14, the discharging component 2, the pointing component 3 and the; the staff arranges the device in and treats directly over the gap between the brickwork 7 of pointing, arrange locating lever 14 in and crack and play the effect of location in the 7 gaps of brickwork, put into ejection of compact subassembly 2 with the mortar, the mortar flows from ejection of compact subassembly 2 and fills out 7 gaps of brickwork, pointing subassembly 3 carries out pointing to 7 gaps of brickwork and handles, the mortar can be followed the gap edge and spilled over after the pointing is handled, use recovery subassembly 4 to carry out recovery processing to unnecessary mortar, the time of staff's operation has been reduced, staff's operating efficiency has been improved.
Referring to fig. 1 and 2, the handle 6 is located at the edge of the support plate 1 close to the recovery assembly 4, the handle 6 is arranged perpendicular to the support plate 1, the positioning rod 14 vertically penetrates through the support plate 1, the positioning rod 14 is in threaded connection with the support plate 1, one end of the positioning rod 14 close to the masonry 7 is arranged to be convex outwards, the convex edge is arranged far away from the support plate 1, the outer wall of the positioning rod 14 is sleeved with a brush 141, the brush 141 is fixedly connected with the positioning rod 14, the brush 141 is located at one end of the positioning rod 14 close to the masonry 7, the positioning rod 14 is arranged between gaps of the masonry 7, a worker holds the pushing device of the handle 6, the convex end of the positioning rod 14 performs slotting treatment on the gaps between the masonry 7, the influence on the quality of mortar joints due to uneven depth of the gaps is reduced, the height between the positioning rod 14 and, make components such as pointing subassembly 3 more accurate handle the seam, the brush 141 can push away debris such as stone, thereby it influences the quality of grey seam to reduce debris and hinder the motion of pointing subassembly 3.
Referring to fig. 3, a first through hole 12 is formed on a support plate 1, a discharging component 2 includes a discharging hopper 21 and a discharging nozzle 22, the discharging hopper 21 penetrates through the first through hole 12, the diameter of the bottom end of the discharging hopper 21 is smaller than the diameter of the top end of the discharging hopper 21, the circumferential outer wall of the discharging hopper 21 is fixedly connected with the inner wall of the first through hole 12, the discharging nozzle 22 is in threaded connection with the discharging hopper 21, the discharging nozzle 22 is located at the bottom end of the discharging hopper 21, a second through hole 13 is formed on the support plate 1, a pointing component 3 includes a rotating rod 31 and a scraper 32, the rotating rod 31 penetrates through the second through hole 13, the circumferential outer wall of the rotating rod 31 is in threaded connection with the inner wall of the second through hole 13, one end of the rotating rod 31 is fixedly connected with the scraper 32, the length direction of the scraper 32 is arranged along the length direction of a vertical plate 11, the scraper 32 is inclined, the length direction of the scraper 32 is arranged along the upward inclination direction close, the both sides of the parallel vertical board 11 of scraper 32 are to being close to the crooked messenger scraper 32 of swing arm 32 department and being the semicircle arcuation, when carrying out the jointing treatment to brickwork 7 gap, adjust the height between scraper 32 and the brickwork 7, make scraper 32 can contact with brickwork 7 gap, drop into the mortar in the hopper 21, the mortar flows out in brickwork 7 gap from ejection of compact mouth 22 department, ejection of compact mouth 22 size can be changed according to brickwork 7 gap diameter to ejection of compact mouth 22, after filling up the mortar gap, scraper 32 carries out the jointing to the gap, the circular-arc diapire of scraper 32 can the compaction mortar, extrude unnecessary mortar again, make the degree of depth of mortar joint even.
Referring to fig. 4 and 5, the recycling assembly 4 includes a recycling box 41, a screw 42 and a scraper 43, the screw 42 penetrates through the supporting plate 1 and is in threaded connection with the supporting plate 1, one end of the screw 42, which is close to the masonry 7, is fixedly connected with the scraper 43, the length direction of the scraper 43 is arranged along the length direction of the vertical plate 11, the length direction of the scraper 43 is arranged along the upward inclined direction far away from the pointing assembly 3, the joint of the screw 42 and the scraper 43 is located at the center of the length direction of the scraper 43, two baffles 431 are fixedly arranged on the upper surface of the scraper 43, the baffles 431 are arranged perpendicular to the scraper 43, the two baffles 431 are symmetrically arranged on both sides of the length direction of the scraper 43, the recycling box 41 is arranged on one side of the screw 42, which is far away from the pointing assembly 3, one end of the recycling box 41 is open, the opening of the recycling box 41, the lower surface of the supporting plate 1 is provided with two limiting plates 5, the two limiting plates 5 are hinged with the supporting plate 1, the hinged shafts of the limiting plates 5 are arranged parallel to the vertical plate 11, the two limiting plates 5 are symmetrically arranged along the central line of the length direction of the supporting plate 1, the side walls opposite to the two limiting plates 5 are fixedly provided with magnets 51, the sizes of the magnets 51 are matched with the clamping grooves 411, the recovery box 41 is made of magnetic materials, one end of the scraper 43 close to the recovery box 41 is arranged on the bottom wall of the opening of the recovery box 41, after the gap of the masonry 7 is subjected to pointing treatment by the pointing component 3, the scraper 43 scrapes off overflowed excessive mortar, the mortar moves along the upper surface of the scraper 43, the baffle 431 limits the mortar to fall off from two sides so that the mortar enters the recovery box 41, the limiting plates 5 are rotated to paste the magnets 51 into the clamping grooves 411, the clamping grooves 411, the limiting plate 5 is rotated to enable the magnet 51 to be separated from the recovery box 41, then mortar in the recovery box 41 is put into the discharge hopper 21 again, the recovery and the reutilization of the mortar are improved, the treatment of redundant mortar after jointing by workers is reduced, and therefore the operation efficiency of the workers is improved.
The implementation principle of the landscape architecture masonry gap pointing device in the embodiment of the application is as follows: arrange locating lever 14 in brickwork 7 gap, make locating lever 14 fix a position and open a seam 7 gap to brickwork, thereby make 7 gap depths of brickwork even quality of guaranteeing the mortar joint, the mortar that will mix drops into ejection of compact subassembly 2, the mortar flows out from ejection of compact mouth 22 and fills up the gap, scraper 32 scrapes the mortar compaction and scrapes out the gap edge with unnecessary mortar, scraper blade 43 clears up the recovery to unnecessary mortar, the mortar enters into recovery box 41 along scraper blade 43 upper surface then and retrieves and recycle, reduce the processing of unnecessary mortar behind the staff to the pointing, thereby improve staff's operating efficiency.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a landscape building builds gap pointing device by laying bricks or stones which characterized in that: including backup pad (1), backup pad (1) level sets up, the vertical a plurality of vertical boards (11) that are provided with of backup pad (1) lower surface, first through-hole (12) and second through-hole (13) have been seted up on backup pad (1), be provided with ejection of compact subassembly (2) that are used for going out the thick liquid on backup pad (1), ejection of compact subassembly (2) run through first through-hole (12) and first through-hole (12) inner wall fixed connection, be provided with on backup pad (1) and be used for pointing joint subassembly (3), pointing joint subassembly (3) run through second through-hole (13) and second through-hole (13) threaded connection, along construction advancing direction during the use, ejection of compact subassembly (2) are located pointing joint subassembly (3) the place ahead.
2. The landscape architecture building gap pointing device of claim 1, which is characterized in that: ejection of compact subassembly (2) are including going out hopper (21) and ejection of compact mouth (22), go out hopper (21) outer wall and first through-hole (12) inner wall fixed connection, go out hopper (22) and go out hopper (21) threaded connection, and go out hopper (22) and be located backup pad (1) below, jointing subassembly (3) are including swing arm (31) and scraper (32), and second through-hole (13) threaded connection are worn to locate in swing arm (31), and one end and scraper (32) fixed connection that swing arm (31) are located backup pad (1) below.
3. The landscape architecture building gap pointing device of claim 2, which is characterized in that: the two opposite sides of the scraper (32) are arranged in an inward bending mode, and the concave surface of the scraper (32) is arranged upwards.
4. The landscape architecture building gap pointing device of claim 1, which is characterized in that: the construction equipment is characterized in that a positioning rod (14) is arranged on the supporting plate (1), the positioning rod (14) penetrates through the supporting plate (1) and is in threaded connection with the supporting plate (1), the center of the bottom of the positioning rod (14) is arranged in an outward protruding mode, and the positioning rod (14) is located in front of the discharging assembly (2) along the construction advancing direction.
5. The landscape architecture building gap pointing device of claim 4, which is characterized in that: the positioning rod (14) is fixedly sleeved with a hairbrush (141), and the hairbrush (141) is arranged close to one end of the protrusion of the positioning rod (14).
6. The landscape architecture building gap pointing device of claim 1, which is characterized in that: the lower surface of the supporting plate (1) is provided with a recovery component (4) for recovering slurry, the recovery component (4) is detachably connected with the supporting plate (1), and the recovery component (4) is located behind the pointing component (3) along the construction advancing direction.
7. The landscape architecture building gap pointing device of claim 6, which is characterized in that: retrieve subassembly (4) including retrieving box (41), screw rod (42) and scraper blade (43), screw rod (42) run through backup pad (1) and backup pad (1) threaded connection, and screw rod (42) bottom and scraper blade (43) upper surface fixed connection, scraper blade (43) upper surface symmetry are provided with baffle (431), and baffle (431) length direction sets up along the construction direction, retrieves box (41) one end and is the opening form, retrieves box (41) opening one end towards scraper blade (43), retrieves box (41) and backup pad (1) and can dismantle and be connected.
8. The landscape architecture building gap pointing device of claim 7, which is characterized in that: the utility model discloses a recovery box, including backup pad (1), limiting plate (5) and backup pad (1), the fixed magnet (51) that is provided with on limiting plate (5), retrieve and seted up a plurality of draw-in grooves (411) on box (41) just right lateral wall, retrieve box (41) and adopt magnetic material to make, magnetism and draw-in groove (411) cooperation make and retrieve box (41) fixed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021995305.8U CN213449381U (en) | 2020-09-14 | 2020-09-14 | Gap jointing device is built by laying bricks or stones to landscape building |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021995305.8U CN213449381U (en) | 2020-09-14 | 2020-09-14 | Gap jointing device is built by laying bricks or stones to landscape building |
Publications (1)
Publication Number | Publication Date |
---|---|
CN213449381U true CN213449381U (en) | 2021-06-15 |
Family
ID=76323476
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202021995305.8U Active CN213449381U (en) | 2020-09-14 | 2020-09-14 | Gap jointing device is built by laying bricks or stones to landscape building |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN213449381U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114382304A (en) * | 2022-01-21 | 2022-04-22 | 广东名大集团有限公司 | Construction device based on BIM masonry engineering and construction method thereof |
CN115977420A (en) * | 2023-02-16 | 2023-04-18 | 中国十七冶集团有限公司 | Sound insulation heat preservation mortar terrace crack pouring device |
-
2020
- 2020-09-14 CN CN202021995305.8U patent/CN213449381U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114382304A (en) * | 2022-01-21 | 2022-04-22 | 广东名大集团有限公司 | Construction device based on BIM masonry engineering and construction method thereof |
CN114382304B (en) * | 2022-01-21 | 2023-03-31 | 广东名大集团有限公司 | Construction device based on BIM masonry engineering and construction method thereof |
CN115977420A (en) * | 2023-02-16 | 2023-04-18 | 中国十七冶集团有限公司 | Sound insulation heat preservation mortar terrace crack pouring device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN213449381U (en) | Gap jointing device is built by laying bricks or stones to landscape building | |
CN206346503U (en) | The horizontal mortar laying apparatus of concrete block masonry | |
CN203035093U (en) | Rake-tooth type mixing pile machine drill | |
JP3188771B2 (en) | Underground continuous wall forming machine | |
CN210791388U (en) | Cement product forming machine | |
CN206752987U (en) | A kind of trowel | |
CN116297028A (en) | Simulation device and simulation method for diffusion of overlying strata isolation grouting filling slurry | |
CN212561051U (en) | Gap filling device for curbstone and flat stone | |
CN216379029U (en) | Highway is concrete device of pouring fast for engineering | |
CN106193634B (en) | It lays bricks and uses slurry spreading device | |
CN215210352U (en) | Concrete paving equipment for building engineering | |
CN210758341U (en) | Modular inspection well pouring device | |
CN104805970B (en) | A kind of hand-held roof crack repairing machine | |
CN208858171U (en) | A kind of novel combination tool of quickly building a wall | |
CN206397075U (en) | Tooth form floating rule | |
CN205201815U (en) | Concrete recovery pond structure | |
CN211523965U (en) | Masonry plastering device | |
CN219451538U (en) | Construction column concrete pouring device free of chiseling | |
CN208100698U (en) | A kind of concrete segment top surface clout removal device | |
CN216740726U (en) | Hand propelled cement base infiltration crystallization type waterproof material spills device futilely | |
CN213979994U (en) | Bricklaying tool without waste materials | |
CN216551515U (en) | Road construction marking machine convenient to handle raw materials | |
CN212919906U (en) | Be used for building engineering concrete mixing device | |
CN217069666U (en) | Linear vibration sand screening machine with good stability | |
CN110281361A (en) | A kind of concrete segment top surface clout removal device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |