CN104846722A - Garden road curbstone trimming device driven by using screw to precipitate dust and use method of device - Google Patents
Garden road curbstone trimming device driven by using screw to precipitate dust and use method of device Download PDFInfo
- Publication number
- CN104846722A CN104846722A CN201510264884.6A CN201510264884A CN104846722A CN 104846722 A CN104846722 A CN 104846722A CN 201510264884 A CN201510264884 A CN 201510264884A CN 104846722 A CN104846722 A CN 104846722A
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- China
- Prior art keywords
- sliding sleeve
- grinding wheel
- dental calculus
- screw
- wheel assembly
- 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.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/09—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges
- E01C23/0906—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for forming, opening-out, cleaning, drying or heating cuts, grooves, recesses or, excluding forming, cracks, e.g. cleaning by sand-blasting or air-jet ; for trimming paving edges
- E01C23/0926—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for forming, opening-out, cleaning, drying or heating cuts, grooves, recesses or, excluding forming, cracks, e.g. cleaning by sand-blasting or air-jet ; for trimming paving edges with power-driven tools, e.g. vibrated, percussive cutters
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/09—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges
- E01C23/0906—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for forming, opening-out, cleaning, drying or heating cuts, grooves, recesses or, excluding forming, cracks, e.g. cleaning by sand-blasting or air-jet ; for trimming paving edges
- E01C23/0926—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for forming, opening-out, cleaning, drying or heating cuts, grooves, recesses or, excluding forming, cracks, e.g. cleaning by sand-blasting or air-jet ; for trimming paving edges with power-driven tools, e.g. vibrated, percussive cutters
- E01C23/0933—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for forming, opening-out, cleaning, drying or heating cuts, grooves, recesses or, excluding forming, cracks, e.g. cleaning by sand-blasting or air-jet ; for trimming paving edges with power-driven tools, e.g. vibrated, percussive cutters rotary, e.g. circular-saw joint cutters
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention provides a garden road curbstone (21) trimming device driven by using a screw to precipitate dust and a use method of the device. The device is used for performing chamfering and trimming on the top edge of the outer side of the curbstone (21) and comprises a stand (9), a walking wheel (92) and a walking pushing handle (91), wherein the walking wheel (92) is arranged at the lower end of the stand (9), and the walking pushing handle (91) is arranged at the upper end of the stand (9); the stand (9) is positioned above the walking wheel (92) and is fixed with a cross loading rod (93), the cross loading rod (93) loads a guide wheel sliding sleeve (951) and a trimming polishing wheel assembly sliding sleeve (931) from interior to exterior in sequence, and the cross section of the cross loading rod (93) is in a square shape so as to prevent the guide wheel sliding sleeve (951) and the trimming polishing wheel assembly sliding sleeve (931) to rotate on the cross loading rod (93).
Description
Technical field
The present invention relates to garden layout field, be specially a kind of garden path of screw drive depositing dust that uses and set out on a journey the edge-neatening apparatus of dental calculus and using method thereof.
Background technology
In garden layout field, to the polishing aspect of the road dental calculus in garden path, often there is demand attractive in appearance.Road dental calculus is often difficult to its edge to be aimed in the process of laying, and the fixing binding material (such as cement material) used in process of deployment also often attractive in appearancely to impact it.
And more existing finishing polishing apparatuses are difficult to realize motorization, and especially the finishing of the road dental calculus had on the route of curve shape is difficult to be suitable for.
Summary of the invention
The present invention aims to provide a kind of garden path of screw drive depositing dust that uses and to set out on a journey the edge-neatening apparatus of dental calculus and using method thereof, and it can overcome above-mentioned defect.
According to the present invention, a kind of garden path of screw drive depositing dust that uses is set out on a journey the edge-neatening apparatus of dental calculus, for carrying out chamfering deburring to the outside top edge of described road dental calculus, comprising frame, be arranged at the road wheel of frame lower end and be arranged at the walking promotion handle of frame upper end, described frame is positioned at above described road wheel and is fixedly installed lateral bearing bar, described lateral bearing bar slides from inside to outside successively and carries directive wheel sliding sleeve and deburring grinding wheel assembly sliding sleeve and the cross section of described lateral bearing bar is square to prevent described directive wheel sliding sleeve and deburring grinding wheel assembly sliding sleeve from rotating thereon, described directive wheel sliding sleeve is provided with the directive wheel in order to engage with side roll in the dental calculus of described road by longitudinal rod, described longitudinal rod is connected by roll adjustment transverse link with the bottom of described deburring grinding wheel assembly sliding sleeve, described roll adjustment transverse link is provided with adjusting screw nut, in order to regulate and to fix the distance between described directive wheel sliding sleeve and deburring grinding wheel assembly sliding sleeve, described lateral bearing bar is arranged with between described directive wheel sliding sleeve and described frame top pressure spring in order to described directive wheel to be pressed to by described directive wheel sliding sleeve and described longitudinal rod the inner side of described road dental calculus, described deburring grinding wheel assembly sliding sleeve carries deburring grinding wheel assembly by articulated mounting, described deburring grinding wheel assembly comprises the screw thread splined sleeve be rotatably connected with described articulated mounting, at described screw thread splined sleeve and with the axial adjustment stud of its threaded engagement, with described axial adjustment stud axial restraint and the external splines cylinder that is connected rotationally of circumference and the polishing drive motors that is fixedly connected with described external splines cylinder, described polishing drive motors external surface is provided with waterproof case, wherein, the internal thread wall of described screw thread splined sleeve is provided with axially extended spline in order to be slidably matched with the external splines on described external splines cylinder, described polishing drive motors power is connected with grinding wheel in order to carry out chamfering deburring to the outside top edge of described road dental calculus, , described frame is also provided with water tank, the frame of described water tank lower end is fixed with the drive motors that laterally slides, described horizontal slip drive motors output is fixed with drive screw, described drive screw left end is installed in rotation on longitudinal rod upper end, described longitudinal rod lower end is fixed on upper end on the left of described lateral bearing bar, on described drive screw, threaded engagement is provided with nut movable block, and described nut movable block lower slide is arranged on one end is fixed on longitudinal rod, the other end is fixed on the guide rod in frame, described nut movable block bottom is provided with water collector, described water collector is connected with described water tank by soft water pipe, described water collector lower end is provided with several atomizers in order to reduce the dust produced when grinding wheel is repaired described road dental calculus.
According to another aspect, above-mentioned a kind of garden path of screw drive depositing dust that uses is set out on a journey the using method of edge-neatening apparatus of dental calculus, wherein, first, according to the width of road dental calculus and need the angle of chamfering and adjust relative to the rotational angle between described deburring grinding wheel assembly sliding sleeve relative to the lateral separation of described longitudinal rod and described deburring grinding wheel assembly described deburring grinding wheel assembly, afterwards, utilize the rotation of described axial adjustment stud and polishing pressure is adjusted to the axial outreach adjustment of described grinding wheel; Then, start described polishing drive motors, and utilize walking promote handle and promote edge-neatening apparatus, described road wheel is walked along garden path, and directive wheel is close to the inner side of road dental calculus; Thereby, it is possible to along described garden path extension route and complete the chamfering deburring at the outside top edge of the dental calculus that satisfies the need.
By the present invention, owing to employing the directive wheel for being close to road dental calculus medial surface, even if its effect by spring can be polished away from the crooked route along garden path when the dental calculus of road a little at road wheel; Whole polishing operating component entirety can be floated under the action of the spring on cross bar.And polishing operating component has the adjustment degree of three aspects, can adjust as required in angle, axial pressing force and width.Whole device structure simple operation is reliable, and the edge of the dental calculus that can effectively satisfy the need carries out the polishing of chamfering formula, thus ensures the overall appearance degree of the rear garden path of construction.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of edge-neatening apparatus of the present invention;
Fig. 2 is that the edge-neatening apparatus in Fig. 1 is extractd at deburring grinding wheel assembly with the clearer schematic diagram illustrated in rear structure;
Fig. 3 is the structural representation of screw thread splined sleeve.
Detailed description of the invention
1-3 by reference to the accompanying drawings, makes detailed explaination to the present invention.
According to embodiment, see Fig. 1, a kind of garden path of screw drive depositing dust that uses is set out on a journey the edge-neatening apparatus of dental calculus 21, for carrying out chamfering deburring to the outside top edge of described road dental calculus 21, comprising frame 9, be arranged at the road wheel 92 of frame 9 lower end and be arranged at the walking promotion handle 91 of frame 9 upper end, described frame 9 is positioned at above described road wheel 92 and is fixedly installed lateral bearing bar 93, described lateral bearing bar 93 slides from inside to outside successively and carries directive wheel sliding sleeve 951 and deburring grinding wheel assembly sliding sleeve 931 and the cross section of described lateral bearing bar 93 is square to prevent described directive wheel sliding sleeve 951 and deburring grinding wheel assembly sliding sleeve 931 from rotating thereon, the directive wheel 952 that described directive wheel sliding sleeve 951 is provided with in order to engage with side roll in described road dental calculus 21 by longitudinal rod 95, described longitudinal rod 95 is connected by roll adjustment transverse link 94 with the bottom of described deburring grinding wheel assembly sliding sleeve 931, described roll adjustment transverse link 94 is provided with adjusting screw nut 941, 942 in order to regulate and to fix the distance between described directive wheel sliding sleeve 951 and deburring grinding wheel assembly sliding sleeve 931, described lateral bearing bar 93 is arranged with between described directive wheel sliding sleeve 951 and described frame 9 top pressure spring 9511 in order to described directive wheel 952 to be pressed to by described directive wheel sliding sleeve 951 and described longitudinal rod 95 inner side of described road dental calculus 21, described deburring grinding wheel assembly sliding sleeve 931 carries deburring grinding wheel assembly 8 by articulated mounting 9311, described deburring grinding wheel assembly 8 comprises the screw thread splined sleeve 84 be rotatably connected with described articulated mounting 9311, at described screw thread splined sleeve 84 and with the axial adjustment stud 83 of its threaded engagement, with described axial adjustment stud 83 axial restraint and the external splines cylinder 81 that is connected rotationally of circumference and the polishing drive motors 82 that is fixedly connected with described external splines cylinder 81, described polishing drive motors 82 external surface is provided with waterproof case 821, wherein, see Fig. 3, the internal thread wall 842 of described screw thread splined sleeve 84 is provided with axially extended spline 841 in order to be slidably matched with the external splines 811 on described external splines cylinder 81, described polishing drive motors 82 power is connected with grinding wheel 88 in order to carry out chamfering deburring to the outside top edge of described road dental calculus 21, described frame 9 is also provided with water tank 76, the frame 9 of described water tank 76 lower end is fixed with horizontal slip drive motors 79, described horizontal slip drive motors 79 output is fixed with drive screw 77, described drive screw 77 left end is installed in rotation on longitudinal rod 71 upper end, described longitudinal rod 71 lower end is fixed on upper end on the left of described lateral bearing bar 93, on described drive screw 77, threaded engagement is provided with nut movable block 72, and described nut movable block 72 lower slide is arranged on one end is fixed on longitudinal rod 71, the other end is fixed on the guide rod 78 in frame 9, described nut movable block 72 bottom is provided with water collector 73, described water collector 73 is connected with described water tank 76 by soft water pipe, described water collector 73 lower end is provided with several atomizers 74 in order to reduce the dust produced when grinding wheel 88 is repaired described road dental calculus 21, move left and right by drive screw 77 drive nut movable block 72, thus make atomizer 74 spraying range wider, make dust-laying effect better.
Alternatively, wherein, the shape of described grinding wheel 88 is as general as cylindrical, and the extreme circumferential edge of circumferential is provided with taper polishing portion 882, and columniform distal end faces place is provided with end face polishing portion 881.
Alternatively, wherein, described articulated mounting 9311 comprises angle orientation fixed mechanism to be fixed on the positioning after the adjustment the angle of described screw thread splined sleeve 84 relative to described deburring grinding wheel assembly sliding sleeve 931.
Alternatively, wherein, the upper surface of described axial adjustment stud 83 is provided with and rotates adjustment tank 831 for utilizing instrument to drive the rotation of described axial adjustment stud 83.
According to embodiment, the garden path of use screw drive depositing dust as above is set out on a journey the using method of edge-neatening apparatus of dental calculus 21, wherein, first, according to the width of road dental calculus 21 and need the angle of chamfering and adjust relative to the rotational angle between described deburring grinding wheel assembly sliding sleeve 931 relative to the lateral separation of described longitudinal rod 95 and described deburring grinding wheel assembly 8 described deburring grinding wheel assembly 8, afterwards, utilize the rotation of described axial adjustment stud 83 and polishing pressure is adjusted to the axial outreach adjustment of described grinding wheel 88; Then, start described polishing drive motors 82, and utilize walking promote handle 91 and promote edge-neatening apparatus, described road wheel 92 is walked along garden path 2, and directive wheel 952 is close to the inner side of road dental calculus 21; Thereby, it is possible to along described garden path 2 extension route and complete the chamfering deburring at the outside top edge of the dental calculus 21 that satisfies the need.
Above embodiment is just for explanatory information of the present invention, and the scope of not intended to be limiting the claims in the present invention.
Claims (5)
1. one kind uses the garden path of screw drive depositing dust to set out on a journey the edge-neatening apparatus of dental calculus (21), for carrying out chamfering deburring to the outside top edge on described road dental calculus (21), comprising frame (9), be arranged at the road wheel (92) of frame (9) lower end and be arranged at walking promotion handle (91) of frame (9) upper end, described frame (9) is positioned at described road wheel (92) top and is fixedly installed lateral bearing bar (93), described lateral bearing bar (93) is slided from inside to outside successively and carries directive wheel sliding sleeve (951) and deburring grinding wheel assembly sliding sleeve (931) and the cross section of described lateral bearing bar (93) is square to prevent described directive wheel sliding sleeve (951) and deburring grinding wheel assembly sliding sleeve (931) from rotating thereon, the directive wheel (952) that described directive wheel sliding sleeve (951) is provided with in order to engage with the interior side roll on described road dental calculus (21) by longitudinal rod (95), described longitudinal rod (95) is connected by roll adjustment transverse link (94) with the bottom of described deburring grinding wheel assembly sliding sleeve (931), described roll adjustment transverse link (94) is provided with adjusting screw nut (941, 942) in order to regulate and to fix the distance between described directive wheel sliding sleeve (951) and deburring grinding wheel assembly sliding sleeve (931), described lateral bearing bar (93) is arranged with between described directive wheel sliding sleeve (951) and described frame (9) top pressure spring (9511) in order to described directive wheel (952) to be pressed to by described directive wheel sliding sleeve (951) and described longitudinal rod (95) inner side on described road dental calculus (21), described deburring grinding wheel assembly sliding sleeve (931) carries deburring grinding wheel assembly (8) by articulated mounting (9311), described deburring grinding wheel assembly (8) comprises the screw thread splined sleeve (84) be rotatably connected with described articulated mounting (9311), described screw thread splined sleeve (84) and with the axial adjustment stud (83) of its threaded engagement, with described axial adjustment stud (83) axial restraint and the external splines cylinder (81) that is connected rotationally of circumference and the polishing drive motors (82) that is fixedly connected with described external splines cylinder (81), described polishing drive motors (82) external surface is provided with waterproof case (821), wherein, the internal thread wall (842) of described screw thread splined sleeve (84) is provided with axially extended spline (841) in order to be slidably matched with the external splines (811) on described external splines cylinder (81), described polishing drive motors (82) power is connected with grinding wheel (88) in order to carry out chamfering deburring to the outside top edge on described road dental calculus (21), described frame (9) is also provided with water tank (76), the frame (9) of described water tank (76) lower end is fixed with the drive motors (79) that laterally slides, described transverse direction drive motors (79) output that slides is fixed with drive screw (77), described drive screw (77) left end is installed in rotation on longitudinal rod (71) upper end, described longitudinal rod (71) lower end is fixed on upper end, described lateral bearing bar (93) left side, the upper threaded engagement of described drive screw (77) is provided with nut movable block (72), and described nut movable block (72) lower slide is arranged on one end is fixed on longitudinal rod (71), the other end is fixed on the guide rod (78) in frame (9), described nut movable block (72) bottom is provided with water collector (73), described water collector (73) is connected with described water tank (76) by soft water pipe, described water collector (73) lower end is provided with several atomizers (74) in order to reduce the dust produced when grinding wheel (88) is repaired described road dental calculus (21).
2. a kind of garden path of screw drive depositing dust that uses as claimed in claim 1 is set out on a journey the edge-neatening apparatus of dental calculus (21), wherein, the shape of described grinding wheel (88) is as general as cylindrical, the extreme circumferential edge of circumferential is provided with taper polishing portion (882), columniform distal end faces place is provided with end face polishing portion (881).
3. a kind of garden path of screw drive depositing dust that uses as claimed in claim 1 or 2 is set out on a journey the edge-neatening apparatus of dental calculus (21), wherein, described articulated mounting (9311) comprises angle orientation fixed mechanism to be fixed on the positioning after the adjustment the angle of described screw thread splined sleeve (84) relative to described deburring grinding wheel assembly sliding sleeve (931).
4. a kind of garden path of screw drive depositing dust that uses as claimed in claim 1 or 2 is set out on a journey the edge-neatening apparatus of dental calculus (21), wherein, the upper surface of described axial adjustment stud (83) is provided with and rotates adjustment tank (831) for utilizing instrument to drive the rotation of described axial adjustment stud (83).
5. a kind of according to any one of claim 1-4 uses the garden path of screw drive depositing dust to set out on a journey the using method of edge-neatening apparatus of dental calculus (21), wherein, first, according to the width of road dental calculus (21) and need the angle of chamfering and adjust relative to the rotational angle between described deburring grinding wheel assembly sliding sleeve (931) relative to the lateral separation of described longitudinal rod (95) and described deburring grinding wheel assembly (8) described deburring grinding wheel assembly (8), afterwards, utilize the rotation of described axial adjustment stud (83) and polishing pressure is adjusted to the axial outreach adjustment of described grinding wheel (88), then, start described polishing drive motors (82), and utilize walking promote handle (91) and promote edge-neatening apparatus, make described road wheel (92) along garden path (2) walking, and directive wheel (952) is close to the inner side of road dental calculus (21), thereby, it is possible to along described garden path (2) extension route and complete the chamfering deburring at the outside top edge of the dental calculus that satisfies the need (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510264884.6A CN104846722B (en) | 2015-05-22 | 2015-05-22 | Use edge-neatening apparatus and the using method thereof of road dental calculus on the garden path of screw drive depositing dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510264884.6A CN104846722B (en) | 2015-05-22 | 2015-05-22 | Use edge-neatening apparatus and the using method thereof of road dental calculus on the garden path of screw drive depositing dust |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104846722A true CN104846722A (en) | 2015-08-19 |
| CN104846722B CN104846722B (en) | 2016-11-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510264884.6A Expired - Fee Related CN104846722B (en) | 2015-05-22 | 2015-05-22 | Use edge-neatening apparatus and the using method thereof of road dental calculus on the garden path of screw drive depositing dust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104846722B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107116425A (en) * | 2017-07-05 | 2017-09-01 | 绍兴绍运制版有限公司 | The once polishing former of bright roller |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3102812A1 (en) * | 1981-01-28 | 1982-08-26 | Fritz 8391 Tittling Hackl | Device for cutting a bevel on a kerb by means of a percussion implement |
| CN200951521Y (en) * | 2006-10-11 | 2007-09-26 | 太原市恒山机电设备有限公司 | Abrasion wheel pressing down constant pressure power composition control apparatus of steel blank repairing grinder |
| CN201179575Y (en) * | 2008-02-22 | 2009-01-14 | 天津市达鑫精密机械设备有限公司 | Numerical control bevel gear toothed portion chamfering machine |
| CN103894327A (en) * | 2014-04-24 | 2014-07-02 | 华晨汽车集团控股有限公司 | Coating grinding tool |
-
2015
- 2015-05-22 CN CN201510264884.6A patent/CN104846722B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107116425A (en) * | 2017-07-05 | 2017-09-01 | 绍兴绍运制版有限公司 | The once polishing former of bright roller |
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| Publication number | Publication date |
|---|---|
| CN104846722B (en) | 2016-11-23 |
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