CN101146650A - Hand-held machine tool having a grinding disk - Google Patents
Hand-held machine tool having a grinding disk Download PDFInfo
- Publication number
- CN101146650A CN101146650A CN200680009141.3A CN200680009141A CN101146650A CN 101146650 A CN101146650 A CN 101146650A CN 200680009141 A CN200680009141 A CN 200680009141A CN 101146650 A CN101146650 A CN 101146650A
- Authority
- CN
- China
- Prior art keywords
- grinding
- hole
- downside
- hand held
- grinding dish
- 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.)
- Granted
Links
- 238000000227 grinding Methods 0.000 title claims abstract description 101
- 238000005187 foaming Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 34
- 238000000605 extraction Methods 0.000 abstract 3
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 239000003570 air Substances 0.000 description 5
- 239000004744 fabric Substances 0.000 description 5
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
- B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
- B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
- B24B23/028—Angle tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
- B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
- B24B23/03—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor the tool being driven in a combined movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
- B24B23/04—Portable grinding machines, e.g. hand-guided; Accessories therefor with oscillating grinding tools; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
- B24B55/10—Dust extraction equipment on grinding or polishing machines specially designed for portable grinding machines, e.g. hand-guided
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D9/00—Wheels or drums supporting in exchangeable arrangement a layer of flexible abrasive material, e.g. sandpaper
- B24D9/08—Circular back-plates for carrying flexible material
Abstract
A hand-held machine tool comprises a housing (12) and a grinding disk (30) disposed on the underside (13) thereof. Said grinding disk has an upper face (46) facing the housing (12) and a lower face (48) comprising a hook-and-loop fastener (50) for receiving a grinding strip (52), and a center opening (34) extending through the upper face and lower face (48, 46), especially for engagement of a fastening means (28) for coupling the disk to the hand-held machine tool. Wholes (32, 33) extend through the grinding disk (30) between its lower and upper face (46, 48) and communicate with an extraction channel (42), the center opening (34) extending axially through the grinding disk (30). In order to improve grinding dust extraction, the center opening (34) communicates with one of the wholes (32) via a connecting channel (58) that radially or transversely extends on the lower face (48), and is used as an extraction opening.
Description
Technical field
The present invention relates to a kind ofly as claim 1 hand held power machine with a grinding dish as described in the preamble, this grinding dish has the hole that some are used to aspirate dust.
Background technology
According to DE 1,953 042 known a kind of hand held power machines with a grinding dish, this grinding dish has the hole that some are used to aspirate dust.Fall grinding dust below grinding dish or the abrasive sheet and pass the hole that radially is arranged on beyond the grinding disk center by upwards and then sucking-off radially outward and be transported in the dust container.The grinding dust of the grinding dust pulvilliform formula that forms in the central region of grinding dish is blown away by means of the overvoltage on the centre bore and will be by being arranged on the hole sucking-off of radially outer at this because grinding dust pad disturb contacting of abrasive sheet and the workpiece that will be ground and tend to owing to heat melt and strong bond on abrasive sheet and hinder effective grinding.
Suction that separates above the grinding dish and the structure that blows out system make the processed complexization of hand held power machine and are expensive.With hand held power machine when workpiece is taken away, the blowing out effect at grinding dish middle part causes the swirling flow of grinding dust and has a negative impact for operator's ambient air.
Summary of the invention
Advantage of the present invention with claim 1 feature is, thoroughly and apace not only can siphon away below the grinding dish at the grinding dust at the radial hole place of its outer edge continuously but also can siphon away the grinding dust that falls at the middle part by simple mechanism, make no longer may form the grinding dust pad at middle part and no longer produce the swirling flow of grinding dust.The service life of improving ground effect and improving abrasive sheet is because prevent that the grinding dust is bonding.In addition owing to the free-pouring suction air in grinding dish or abrasive sheet central region also produces cooling effect in this zone.Get rid of grinding dust bonding on abrasive sheet thus more reliably.
Described interface channel is arranged on as outwardly open slot in the downside of grinding dish, and this slot can be covered by the adhesion clasp, realizes concentrated suction in the grinding dish realizing the well attached of abrasive sheet simultaneously in the mode of simple economy thus.
Described grinding dish is made up of grinding plate skeleton shape, that support, it carries the pad of a foaming, an adhesion clasp layer is positioned on the downside of pad, one of them metal ring disk centring in central opening and axial restraint, especially injection (einspritzen) grinding plate with fill up between, select a firm especially grinding dish structure thus.
Four interface channels lead in this central opening and cross extends radially outwardly and lead to there in four holes, make thus that the grinding dish forms effectively simply especially, large tracts of land and concentrated suction.
The hole of eight mutual evenly spaced, especially oval or microscler about 20mm sizes is set, thus the strong especially dust suction of assurance in the grinding dish.
Aperture on the boring ratio grinding dish upside on the described downside to more stretch out and each other axially and radial misalignments ground intersect, therefore the hole cross section of the reality between upside and the downside has been determined in its zone of intersecting, guaranteed one thus radially to the suction air flow of interior orientation on the upside of grinding dish, this suction air flow has guaranteed the dust conveying.
Described down hole towards in the transition in hole with an inclined-plane infundibulate ground expansion, reduce the flow resistance between the hole and last hole down thus.
Hole on grinding dish upside and downside is greater than the hole cross section of reality, improves thus that dust is caught and collecting effect.
Hole depth from the downside to the upside be grinding dish axial width up to 40% and hole depth from the upside to the downside be grinding dish axial width up to 80%, obtain actual hole cross section thus, it improves the dust collection effect.
Described abrasive sheet has a centre bore that links with grinding disk center opening, thus can be especially effectively siphons away the grinding dust from the central area of grinding dish.
Described interface channel intersects and therefore forms radial and axially the through hole of an inner radial with the hole of radially outer, realize the suction of effective center by simple hole one channel geometries thus.
The wide about 5mm of described interface channel has improved the center suction thus greatly, and processing simultaneously expends low.
Description of drawings
Describe the present invention in detail by means of the embodiment in the accompanying drawing below.In the accompanying drawing:
Fig. 1 illustrates the side view according to hand held power machine of the present invention,
Fig. 2 illustrates the bottom view of grinding dish,
Fig. 3 illustrates the profile of grinding dish,
Fig. 4 illustrates the vertical view according to the adaptive abrasive sheet of the present invention.
The specific embodiment
Fig. 1 illustrates the side view according to hand held power machine 10 of the present invention, and it is constructed to eccentric milling drum.This milling drum has a cylindrical housings 12, and its handle 14 extends back and an on ﹠ off switch 16 is set on the handle downside, and this on ﹠ off switch turns on and off switch 18 by operator's finger pressure.Control is arranged in the current loop of the motor 20 of housing 12 thus.When this electric motor starting, motor shaft 24 and dust blower fan 26, eccentric part 28 and 30 rotations of grinding dish.This motor 20 can be connected on the unshowned power supply by cable 22.
The dust blower fan 26 of rotation combines with other mechanism common, that do not mention and is producing a negative pressure on the upside 46 of grinding dish 30 and producing a suction effect on the hole 32,33 at grinding dish 30 thus.Thus on the downside 48 of grinding the dish 30 or grinding dust that below abrasive sheet 52, forms hole 32 on being sucked and upwards being drawn on the following hole 33.In addition, this negative pressure causes an autotelic suction simultaneously on the centre bore on the central area of grinding dish 30 downsides 48 34, the grinding dust that wherein drops on the there jointly passes interface channel 58 and radially outward directs into hole 32,33 and upwards direct into therefrom to blow out and take over 42 and dust container 44 along with the suction air flow 40 that forms above grinding dish 30.
Described grinding dish 30 is made up of with grinding plate 36 grinding pads 38 that be connected, casting in case of necessity with one a grinding plate 36, this grinding plate is made by elasticity of flexure, the hard relatively plastics, this grinding pad is made by soft flexible foamed plastic, and it carries one deck adhesion fabric 50 and is used for fixing the abrasive sheet 52 with suede back layer 53 on its downside 48.This abrasive sheet 52 has a centre bore 55 and diametrically near outer peripheral a plurality of evenly spaced dust hole 54, these dust holes overlap and are positioned on the identical reference circle 56 with described hole 33 down.
These holes 32,33 axially pass grinding dish 30 and also pass adhesion fabric 50 and this form on the downside 48 hole 33 and one on grinding dish 30 upsides 46 with respect to hole 33 radially towards the hole 32 of outward flange dislocation.This hole 32 is part blind holes, and it passes about 70 to 80% of grinding dish 30.The hole 33 of downside 48 is part blind holes, and it passes about 30 to 40% of grinding dish 30.The hole of being offered by opposition side 32,33 mutually axially and radially pass like this makes its zone of intersecting determine the hole cross section of the waist shape of the reality between upside and the downside 46,48.
The cross section of intersecting area is less than the cross section in hole 32,33 and make the flow velocity of the dust air of wearing high and realize that thus good dust transmits.
The bottom view of grinding dish 30 shown in Figure 2 illustrates the cross of the shape in the hole 33 on the downside 48 and position and interface channel 58 and arranges, in these holes 33 four are connected with centre bore 34 these interface channels and aspirate at the assurance center.Described interface channel 58 can be covered by adhesion fabric 50, is only leading to realization center, the inlet position suction of centre bore 34 thus.Prerequisite is that described adhesion fabric 50 has a hole that overlap substantially with centre bore, that be not shown specifically.Described abrasive sheet 52 (Fig. 1) also must have a centre bore 55 or it must overlap substantially with centre bore 34.Also guarantee good middle part suction by abrasive sheet, this abrasive sheet has a plurality of apertures in central region.
Fig. 3 illustrates grinding dish 30 and has the profile of the grinding dish 30 in last dust hole 32 and following dust hole 33, wherein the radial and axial mutual dislocation between upside 46 and downside 48 as can be seen.Can see the centre bore 34 on the downside 48 in addition, this centre hole axis is promptly only worn grinding pad 38 basically thoroughly to reach grinding plate 36 towards upside 46 directions always.The adhesion tissue layer 50 bonding with downside 48 has and hole 33,34 and the dead slot of interface channel 58 congruences, make centre bore 55 and dust hole 54 and hole 33,34 and interface channel 58 UNICOMs and guarantee efficiently dust suction of abrasive sheet 52 (Fig. 4) by same congruence thus.
Shown in the zone of centre bore 34 at the first passage between centre bore 34 edges and the interface channel 58 inlet 60 and radially outer the second channel inlet 64 between 33 edges, hole.Can see in suction system at the bottom of the blind hole in hole 33 down a inclined plane 62 in addition with the intersecting area in last hole 32.Can see that grinding plate 36 is in the layout on the upside 46 and grinding pad 38 layout on the downside 48 at grinding dish 30 basically.At the center gear hub 66 is set on the upside 46 of grinding plate 36, it is used for taking the device engagement so that grinding dish 30 rotates along with the rotation of motor shaft 24 with a unshowned gear shape.In addition, be provided with an internal point 37, it aligns with centre bore 34 on gear hub 66 and the grinding dish downside 48.Passing internal point 37 one of interlocking is used for grinding dish 30 is fixed on the unshowned threaded of taking on the device 29.
Fig. 4 illustrates the vertical view according to adaptive abrasive sheet 52 of the present invention, and it has a plurality of dust hole 54 and centre bores 55 that are used for the center suction radially on a public reference circle 56.In two tabular surfaces of abrasive sheet 52 one carries a unshowned grinding layer and the back side to have and is used for the matte layer that is connected with the adhesion fabric 50 of grinding dish 30, is used for clamping or fixing abrasive sheet 52 according to operation.
Claims (12)
1. hand held power machine, have a housing (12) and a grinding dish (30) that is arranged on its downside (13), this grinding dish has a upside (46) and a downside (48) in the face of housing (12), this downside has the adhesion clasp (50) that is used to receive abrasive sheet (52), this grinding dish has one and wears described upside and downside (48 thoroughly, 46) central opening (34), in particular for passing of a fixed mechanism (29) to connect with this hand held power machine, this grinding dish also has some holes of axially wearing thoroughly (32,33), they make grinding dish (30) at its downside and upside (46,48) between break-through and they can with a suction channel (42) UNICOM, wherein, central opening (34) axially passes grinding dish (30), it is characterized in that described central opening (34) radially or laterally links in one of the last interface channel (58) that extends of this downside (48) and these holes (32) by one and is used as suction opening.
2. hand held power machine as claimed in claim 1 is characterized in that, described interface channel (58) is arranged on as outwardly open slot in the downside of grinding dish (30), and this interface channel can be covered by adhesion clasp (50).
3. hand held power machine as claimed in claim 1 or 2, it is characterized in that, described grinding dish (30) is made up of grinding plate (36) skeleton shape, that support, this grinding plate carries the pad (38) of a foaming, an adhesion clasp layer (50) is positioned on the downside of this pad, wherein, metal ring disk centring is in central opening (34) and axial restraint, especially be injected between grinding plate (36) and this pad (38).
4. as each described hand held power machine in the claim 1,2 or 3, it is characterized in that four interface channels (58) lead in the central opening (34) and cross extends radially outwardly and lead to there among four of these holes (32,33).
5. as claim 1, each described hand held power machine in 2,3 or 4 is characterized in that, eight mutual evenly spaced, especially oval or microscler holes (32,33) are set in grinding dish (30).
6. as each described hand held power machine in the claim 1 to 5, it is characterized in that, hole (33) on the described downside (48) radially more stretch out than the hole (32) on the upside (46) of grinding dish (30) and each other axially and radial misalignments ground intersect, therefore cross section, i.e. the hole cross section of reality between upside and the downside (46,48) determined in its zone of intersecting.
7. as each described hand held power machine in the claim 1 to 6, it is characterized in that, described down hole (33) towards in the transition in hole (32) with the expansion of an inclined-plane (62) infundibulate ground.
8. hand held power machine as claimed in claim 6 is characterized in that, the hole cross section of described reality is less than the upside of grinding dish (30) and the cross section in the hole (32,33) on the downside (46,48).
9. as each described hand held power machine in the claim 1 to 8, it is characterized in that, described hole (33) from downside (48) towards upside (46) grinding dish (30) axial width up to 40% extend and described hole (32) from upside (46) towards downside (48) extending at the axial width of grinding dish (30) up to 80%.
10. as each described hand held power machine in the claim 1 to 9, it is characterized in that described abrasive sheet (52) has the centre bore (55) that a central opening (34) with grinding dish (30) links.
11. hand held power machine as claimed in claim 10 is characterized in that, has a radial and axial crossing zone between this hole (55) and interface channel (58), this zone forms the through hole (60) of an inner radial.
12. hand held power machine as claimed in claim 1 is characterized in that, the wide about 5mm of described interface channel (58).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200510014045 DE102005014045A1 (en) | 2005-03-23 | 2005-03-23 | Hand tool with a sanding plate |
| DE102005014045.9 | 2005-03-23 | ||
| PCT/EP2006/050689 WO2006100153A1 (en) | 2005-03-23 | 2006-02-06 | Hand-held machine tool having a grinding disk |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101146650A true CN101146650A (en) | 2008-03-19 |
| CN101146650B CN101146650B (en) | 2012-11-14 |
Family
ID=36019373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200680009141.3A Expired - Fee Related CN101146650B (en) | 2005-03-23 | 2006-02-06 | Hand-held machine tool having a grinding disk |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1866125B1 (en) |
| CN (1) | CN101146650B (en) |
| DE (1) | DE102005014045A1 (en) |
| WO (1) | WO2006100153A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101633146B (en) * | 2009-03-03 | 2012-09-05 | 熊根稳 | Dust cleaning polisher |
| CN106799686A (en) * | 2015-11-26 | 2017-06-06 | 成都九十度工业产品设计有限公司 | A kind of sand paper disc is sticked to the pan |
| CN106903567A (en) * | 2017-03-17 | 2017-06-30 | 桂林创源金刚石有限公司 | A kind of diamond abnormity emery wheel and vertical processing cooling system |
| CN108857725A (en) * | 2018-07-26 | 2018-11-23 | 芜湖市黄山松工业地坪新材料有限公司 | A kind of construction material sander |
| CN110328589A (en) * | 2019-08-06 | 2019-10-15 | 王君 | It is a kind of to rotate the furniture flat sanding machine for generating negative pressure by eccentric shaking |
| CN112388468A (en) * | 2019-08-16 | 2021-02-23 | 博世电动工具（中国）有限公司 | Hand-held power tool |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006061635A1 (en) * | 2006-12-27 | 2008-07-03 | Robert Bosch Gmbh | Hand-guided machine tool e.g. eccentric grinder, has support point that shifts between container and housing in axis direction with respect to longitudinal axis during rotation of container around longitudinal axis |
| DE102007007787A1 (en) | 2007-02-16 | 2008-08-21 | Robert Bosch Gmbh | Sanding pad for an eccentric sanding machine |
| DE102009054811B4 (en) | 2009-12-17 | 2021-06-17 | Robert Bosch Gmbh | Hand machine tool |
| DE102010028123A1 (en) | 2010-04-22 | 2011-10-27 | Robert Bosch Gmbh | Sharpening plate device for hand-guided grinder, has sand paper arranged on bottom side of sharpening plate, and hook-and-loop fastener whose sections are extended to sharpening plate over partial flange of bottom side of sharpening plate |
| DE202010017513U1 (en) | 2010-12-20 | 2012-06-01 | Robert Bosch Gmbh | Grinding plate device for a hand-held grinder |
| DE102011075586A1 (en) | 2011-05-10 | 2012-11-29 | Robert Bosch Gmbh | Grinding plate device for a hand-held grinder |
| DE102011079294A1 (en) | 2011-07-18 | 2013-01-24 | Robert Bosch Gmbh | Suction device for battery-operated hand tool e.g. cordless drill, has battery interface that is provided to dock the battery pack |
| DE102013225885A1 (en) * | 2013-12-13 | 2015-06-18 | Robert Bosch Gmbh | Battery operated eccentric sander with a rechargeable battery |
| DE102015216615A1 (en) | 2015-08-31 | 2017-03-02 | Robert Bosch Gmbh | Sanding plate for a hand-held power tool, as well as power tool system |
| CN107443229A (en) * | 2017-08-31 | 2017-12-08 | 太仓贝斯特机械设备有限公司 | A kind of grinding type peeling machine and its method of work for monitoring grinding disc |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4205977A1 (en) * | 1992-02-27 | 1993-09-02 | Bosch Gmbh Robert | GRINDING PLATE FROM MULTIPLE MATERIAL LAYERS |
| DE9414167U1 (en) * | 1994-09-01 | 1996-01-11 | Bosch Gmbh Robert | Sanding disc |
| DE19945060B4 (en) * | 1999-09-20 | 2010-12-02 | Robert Bosch Gmbh | Sander machine |
| DE20016263U1 (en) | 2000-09-20 | 2001-10-18 | Kolthoff & Co | Backing pad for surface finishing tools |
-
2005
- 2005-03-23 DE DE200510014045 patent/DE102005014045A1/en not_active Withdrawn
-
2006
- 2006-02-06 WO PCT/EP2006/050689 patent/WO2006100153A1/en not_active Application Discontinuation
- 2006-02-06 EP EP06708036A patent/EP1866125B1/en active Active
- 2006-02-06 CN CN200680009141.3A patent/CN101146650B/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101633146B (en) * | 2009-03-03 | 2012-09-05 | 熊根稳 | Dust cleaning polisher |
| CN106799686A (en) * | 2015-11-26 | 2017-06-06 | 成都九十度工业产品设计有限公司 | A kind of sand paper disc is sticked to the pan |
| CN106903567A (en) * | 2017-03-17 | 2017-06-30 | 桂林创源金刚石有限公司 | A kind of diamond abnormity emery wheel and vertical processing cooling system |
| CN108857725A (en) * | 2018-07-26 | 2018-11-23 | 芜湖市黄山松工业地坪新材料有限公司 | A kind of construction material sander |
| CN110328589A (en) * | 2019-08-06 | 2019-10-15 | 王君 | It is a kind of to rotate the furniture flat sanding machine for generating negative pressure by eccentric shaking |
| CN110328589B (en) * | 2019-08-06 | 2021-11-26 | 王君 | Furniture flat plate sander capable of generating negative air pressure through eccentric vibration rotation |
| CN112388468A (en) * | 2019-08-16 | 2021-02-23 | 博世电动工具（中国）有限公司 | Hand-held power tool |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102005014045A1 (en) | 2006-09-28 |
| WO2006100153A1 (en) | 2006-09-28 |
| EP1866125A1 (en) | 2007-12-19 |
| EP1866125B1 (en) | 2012-01-11 |
| CN101146650B (en) | 2012-11-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121114 |