CN102069436B - Eyeglass chamfering machine - Google Patents
Eyeglass chamfering machine Download PDFInfo
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- CN102069436B CN102069436B CN2010102797053A CN201010279705A CN102069436B CN 102069436 B CN102069436 B CN 102069436B CN 2010102797053 A CN2010102797053 A CN 2010102797053A CN 201010279705 A CN201010279705 A CN 201010279705A CN 102069436 B CN102069436 B CN 102069436B
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Abstract
The invention discloses an eyeglass chamfering machine, which solves the problems that the structure of the existing eyeglass chamfering machine is complicated, and the quality for carrying out chamfering on the periphery by the existing eyeglass chamfering machine can not be guaranteed. The technical measures adopted by the invention are as follows: the eyeglass chamfering machine disclosed by the invention comprises a base, a motor, a chamfering wheel and a clamping component, wherein the motor is connected with the chamfering wheel; and the eyeglass chamfering machine is characterized in that an upright column is arranged on the base, and the chamfering wheel is arranged on the front side face of the upright column; a sliding seat is arranged on the base, and the sliding seat and the chamfering wheel are arranged at the same side of the upright column; a horizontal sliding mechanism is arranged between the base and the sliding seat, the sliding seat can slide on the base, the slideable direction of the sliding seat is parallel to the front side face of the upright column, the clamping component is arranged on the sliding seat, and the clamping component can enable a clamped subject to rotate; and a vertical sliding mechanism is arranged between the sliding seat and the base, and under the action of the vertical sliding mechanism, the sliding seat can slide along the direction perpendicular to the front side face of the upright column.
Description
Technical field
The present invention relates to a kind of glasses process equipment, relate in particular to a kind of lens facing attachment that is used for lens periphery acute angle is carried out chamfer machining.
Technical background
Lens is after the preparatory processing moulding, and the edge of its periphery both end sides is comparatively sharp keen, and when the assembling that realizes between lens and the eye frame, inconvenience is plugged in the mounting groove of spectacle frame lens on the one hand; On the other hand, the edge that lens is comparatively sharp keen also can bring potential safety hazard to the operator.It is to utilize hand mill to polish off the sharp edge of lens that lens is comparatively simply handled, but the lens of handling through this mode, and dimensions can not guarantee unanimity, and itself safety in utilization of this processing mode is not high yet.
At Chinese patent application of the present invention (application number: 200810024719.3) disclose a kind of lens facing attachment; It comprises chamfering abrasive wheel combination, two eyeglass chucks, motor, grinding wheel drive mitor, tank, driving-belt, head, casing and switches, and said two eyeglass chucks are fixed on the head top, and a rear end links to each other with motor in the two eyeglass chucks; Another rear end is provided with binding nut; Said chamfering abrasive wheel is fixed in the casing rotating shaft through nut, and said rotating shaft is connected with grinding wheel drive mitor through driving-belt II, and said driving-belt II and grinding wheel drive mitor all are located at bottom of shell; Said casing upper end is provided with sliding bar; The head movable set is on this sliding bar, and said rotating shaft and horizontal direction are the α angle, and α is 10～20 °; Said chamfering abrasive wheel is combined by emery wheel I, emery wheel II and the mutual setting-in of polishing wheel, and is fixed on no frame eyeglass dedicated slot of formation and framed mirror sheet dedicated slot in the rotating shaft.Disclosed lens facing attachment in this patent application; Be used for the clamp assemblies that lens carries out clamping is positioned at the head of a cantilever-type, when realizing the eyeglass chamfering, shelve head naturally; The edge of clamping lens pastes with the chamfering wheel outer surface mutually in the clamp assemblies; In the course of the work, chamfering wheel and lens all rotate under the drive of motor, thereby form fillet surface in the periphery of lens.
This facing attachment is undesirable to the chamfering effect of lens; Because most lenses is a non-circular shape; Follow chamfering wheel when rotating together at lens, head section deflection angle with respect to the horizontal plane can change, when head takes place by corresponding the variation; The pressure that lens acts on the chamfering wheel also can change, and chamfering wheel also is directly proportional with between the two interaction force to the wear extent of lens.Therefore, when the lens chamfering, lens wear extent difference everywhere is bigger, and the lens quality after the chamfering can not guarantee.
Summary of the invention
For overcoming above-mentioned defective, the technical issues that need to address of the present invention are: a kind of lens facing attachment is provided, and it can make eyeglass peripheral region amount of grinding everywhere reach unanimity, and is convenient to guarantee the quality of lens.
In order to solve the technical problem technical scheme of the present invention: a kind of lens facing attachment comprises base, motor, chamfering wheel, clamp assemblies; Motor and chamfering wheel link; It is characterized in that, on base, be provided with column, said chamfering wheel is installed on the leading flank of column; On base, be provided with slide, slide and chamfering wheel are positioned at the same side of column; Be provided with horizontal slide mechanism between base and the slide, slide can slide on base, and the slidably direction of slide is parallel to the leading flank of column, and described clamp assemblies is arranged on the slide, and clamp assemblies can make gripped object rotate; Between slide and base, be provided with vertical slide mechanism, under the effect of vertical slide mechanism, slide can slide along the leading flank direction perpendicular to column.The fillet surface that has frustoconical on the chamfering wheel, under the drive of motor, chamfering wheel rotates.Clamp assemblies is used for the clamping lens, lens is held the assembly firm grip live after, under operator's pulling, lens can be followed clamp assemblies and rotated together.Slide can be realized the slip of horizontal direction because of the horizontal existence of slide mechanism, and the edge that can realize lens when slide slides contacts with chamfering wheel or breaks away from, and then the chamfering of realization lens periphery.During vertical slide mechanism work, make the clamp assemblies of being located on the slide be able to change along the distance of chamfering wheel on axially.
As preferably, said column is a hollow, in the column of hollow, is provided with the driving-belt that connects motor and chamfering wheel.Driving-belt is arranged in the column of hollow, makes this facing attachment compact conformation, and the job security of facing attachment is high.
As preferably, the inboard of said column upper end is provided with water container, and an end of a conduit communicates with water container, and the other end leads to the fillet surface of chamfering wheel.Water container is embedded in the upper end of column, and the water that contains in the water container can flow to the fillet surface place of chamfering wheel under the conducting of conduit, thereby lubricated and cooling effect are provided when working for chamfering wheel.
As preferably, said column is provided with the coupling head of hollow, and coupling head connects column sidewall and water container sidewall, and an end of said conduit is connected in the coupling head.Be provided with coupling head, can guarantee the fastness that connects between water container and the column, and the structure setting through coupling head, coupling head is had close or the effect of conducting conduit.
As preferably, the upper surface of said base is provided with collecting tank, on the bottom surface of collecting tank, is provided with the mozzle that leads to the outside.Collecting tank is used to collect the water of emitting in the water container when facing attachment is worked, thereby has guaranteed the cleaning of facing attachment working environment.
As preferably, said slide comprises connection seat and second line of a couplet joint chair, and last connection seat is provided with gusset piece, and described clamp assemblies is fixed on the gusset piece; Distolateral hinged in the upper and lower connection seat; Second line of a couplet joint chair is the inclined-plane towards the face of last connection seat; This inclined-plane is low inside and high outside, be provided with on the last connection seat run through connection seat, the lower end withstands on the adjustment bolt on the said inclined-plane, be threaded between adjustment bolt and the last connection seat.Can be between the upper and lower connection seat through operation adjustment bolt; Realize relative deflection angle between the two; Thereby realize the angle of inclination of clamp assemblies, carry out to change the angle between lens and the chamfering wheel fillet surface, to adapt to the different processing requests of lens.
As preferably, on base, be provided with middle seat, said horizontal slide mechanism comprises the slide bar of being located on the middle seat, said second line of a couplet joint chair is socketed on the slide bar slidably.Generally speaking, in slide, can be provided with linear bearing, the smoothness when guaranteeing to slide between slide and the slide bar.Through the slip of slide on slide bar, realize contacting or disengaging between clamp assemblies and the chamfering wheel, simple in structure, the convenient setting.
As preferably, said clamp assemblies comprises the vertical rod that is arranged on vertically on the gusset piece, is hinged on the depression bar of vertical rod upper end and is located at the rotating disk on the gusset piece; Rotating disk is provided with the cushion block that upper surface is an arc; One end of depression bar extend into the position of cushion block, is provided with pressure head in this end of depression bar, and pressure head is rotatable on depression bar; The other end of depression bar adjusting screw(rod) that has been threaded, but the bottom roof pressure of adjusting screw(rod) is in vertical rod.When rotating the adjustment screw rod, can change the clamping force between pressure head and the cushion block through depression bar, in practical application, can make lens clamped or taken out.The curved surfaces of cushion block is used for fitting with the surface of lens, and the curved surfaces of cushion block has the branch of convex globoidal and cancave cambered surface, and cushion block directly is plugged in the rotating disk, and cushion block can be realized changing as required.
As preferably, said pressure head is provided with O shape elastic ring towards the end face of cushion block, and the surface of cushion block is provided with some anti-bothriums, and anti-bothrium leads to the outside of cushion block.O shape elastic ring is to be bonded on the end face of pressure head, is provided with this elastic ring, and effectively the protective spectacles sheet is not damaged.Anti-bothrium is formed in the groove on cushion block surface; Cushion block is generally processed by having certain flexible vulcanie, when lens and cushion block surface fit, under the effect of anti-bothrium; Lens is difficult for fitting together with the cushion block surface, and this has made things convenient for taking of lens.
As preferably, the axial location place of said rotating disk is provided with connecting column, and the upper end of connecting column is provided with open slot; Upper end at connecting column is provided with suction nozzle, and suction nozzle comprises sucker and the sucker disk seat cylindraceous that links together, and a pin bridge joint is on the sidewall of sucker disk seat, and this pin is positioned at described open slot simultaneously.When cushion block surface be the spill cambered surface, be provided with open-work at the center position of this cushion block, the sucker on the said suction nozzle is projected into the outside on cushion block surface, and the adsorbable firmly lens of sucker is convenient to the location of lens; When the cushion block surface was convex-shaped arc surface, this cushion block surface was complete, and described suction nozzle is positioned at the inside of cushion block, does not have active force between suction nozzle and the lens.
Therefore, beneficial effect of the present invention:
1, this lens facing attachment is when work; On lens and the chamfering wheel the contacted part of fillet surface can the people for adjusting; Thereby can be according to actual needs; Reach actual processing situation and come the edge of lens is processed, make the chamfering of lens periphery meet actual processing needs, the processing high conformity of lens periphery.
2, this lens facing attachment only need be provided with a chamfering wheel, and is simple in structure, convenient to the chamfer machining of lens.
3, can realize lens slip in the horizontal direction through slide and horizontal slide mechanism; Convenience when having guaranteed the lens chamfer machining; And two cover clamping assemblies can be set on slide; This two covers clamping assembly can be distinguished clamping a slice lens simultaneously, thereby can effectively improve the process velocity to lens.
4, be provided with vertical slide mechanism, can make between clamping device and the chamfering wheel along the distance of chamfering wheel on axially to change, thereby can make this lens facing attachment can adapt to the chamfering requirement of multiple different size specification lens.
Description of drawings
Accompanying drawing 1 is the structural representation that has lens facing attachment of the present invention.
Accompanying drawing 2 is right views of slide.
Accompanying drawing 3 is vertical views of going up connection seat.
Accompanying drawing 4 is front views of rotating disk.
Accompanying drawing 5 is vertical views of rotating disk.
Accompanying drawing 6 is front views of pressure head.
Accompanying drawing 7 is front views of suction nozzle.
Accompanying drawing 8 is front views of cushion block.
The specific embodiment
The agent structure of lens facing attachment of the present invention comprises base 1, motor, lead angle wheel 22, clamp assemblies.Motor and lead angle wheel 22 link, and when work, drive lead angle wheel 22 and rotate.Clamp assemblies is used for the clamping lens, and lens can be stirred clamp assemblies with hand after being held, and lens is rotated.Have the frustoconical fillet surface on the lead angle wheel 22, this fillet surface is used for the periphery of lens is processed as the machined surface of lead angle wheel 22, thereby processes more blunt fillet surface at the peripheral region of lens.Base 1 is the housing of a sealing, and described motor is set in the base 1, on base 1, is provided with button 3, and the work that is used to control motor whether.On the front panel of base 1, also be provided with the up-down handwheel; Rotate this up-down handwheel and can change the position of motor in base 1; Thereby can change the distance between motor and the lead angle wheel 22; When between motor and lead angle wheel 22, linking, can change the rate of tension of driving-belt through rotating lifting wheel 2 through driving-belt.
On base 1 trailing flank, be provided with a root post 20 vertically, this column 20 is a hollow.Said lead angle wheel 22 is arranged on the leading flank of column 20, links through driving-belt between lead angle wheel 22 and the motor, and driving-belt is positioned at the column 20 of hollow.On base 1, be provided with slide, slide and lead angle wheel 22 are positioned at the homonymy of column 20.Be provided with horizontal slide mechanism between slide and the base 1, slide can slide on base 1, and the glide direction of slide on base 1 is parallel with the leading flank of column 20.
Described slide comprises block last connection seat 11 and second line of a couplet joint chair 10, and distolateral hinged in the upper and lower connection seat, second line of a couplet joint chair 10 is the inclined-plane towards the surface of last connection seat 11, and this inclined-plane is outer low and inner high.At the outer distolateral adjustment bolt 12 that is provided with of last connection seat 11, this adjustment bolt 12 runs through connection seat 11, and the bottom roof pressure of adjustment bolt 12 is on described inclined-plane.On last connection seat 11, be provided with penetrating slotted hole 28, this slotted hole 28 and adjustment bolt 12 are positioned at the homonymy of connection seat 11.In this slotted hole 28, be plugged with caging bolt 13, caging bolt 13 is threaded on the second line of a couplet joint chair 10.
On last connection seat 11, be fixedly connected with a gusset piece 14, described clamp assemblies is two covers, and this two covers clamping assembly is fixed on the gusset piece 14, and they divide the both sides that are listed in lead angle wheel 22.The structure of clamp assemblies comprises the vertical rod 15 that is arranged on vertically on the gusset piece 14, is hinged on the depression bar 17 of vertical rod 15 upper ends and is located at the rotating disk 25 on the gusset piece 14; Rotating disk 25 is provided with the cushion block 24 that upper surface is an arc; One end of depression bar 17 extend into the position of cushion block 24; This end at depression bar 17 is provided with pressure head 23; Pressure head 23 is connected in depression bar 17 rotationally, the other end of depression bar 17 adjusting screw(rod) 16 that has been threaded, but the bottom roof pressure of adjusting screw(rod) 16 is on the upper surface of vertical rod 15.
On gusset piece 14, be fixed with circular seat ring 26; Said rotating disk 25 is stepped; The outer peripheral face of rotating disk 25 lower end side is provided with circular stopper slot 29; On seat ring 26, be threaded and run through the spacing screw rod 27 of its wall body, the inner end of spacing screw rod 27 is plugged in the stopper slot 29 with gap, and rotating disk 25 can circumferentially rotate in seat ring 26.
On the lower surface of pressure head 23, be bonded with O shape rubber ring 32, when pressure head 23 was pressed to lens, O shape rubber ring 32 contacted with the lens surface.
It is discoid that above-mentioned cushion block 24 is ladder, and the upper surface of rotating disk 25 is provided with disc grafting hole, and cushion block 24 lower end side are plugged in this grafting hole with gap.The upper surface of cushion block 24 has two kinds of versions, i.e. convex globoidal and cancave cambered surface, and when clamp assemblies clamped lens, the arcwall face on the cushion block 24 and the back side of lens or front fitted.Be taking of convenient glasses sheet, on the surface of cushion block 24, be provided with some anti-bothriums 36, anti-bothrium 36 is formed by the groove that is located at cushion block 24 surfaces, and all anti-bothriums 36 all communicate, and anti-bothrium 36 leads to the outside of cushion block 24.In the above grafting hole of rotating disk 25, be provided with connecting column 30 vertically, connecting column 30 is positioned at the axial location place of rotating disk 25.On the upper surface of connecting column 30, be provided with open slot 31; Upper end at connecting column 30 is provided with suction nozzle, and suction nozzle comprises that tubaeform sucker 33 of the elasticity that links together and metal sucker disk seat 34, one pins 35 bridge joints cylindraceous are on the sidewall of sucker disk seat 34.When suction nozzle and connecting column 30 linked together, this pin 35 was plugged in the open slot 31.Suction nozzle just just can work when the upper surface of cushion block 24 is cancave cambered surface, if when the upper surface of cushion block 24 is cancave cambered surface, the center position of cushion block 24 upper surfaces is provided with open-work, and sucker 33 can pass this open-work and be projected into the outside of cushion block 24 upper surfaces on the suction nozzle.When being convex globoidal for cushion block 24 upper surfaces, suction nozzle is coated over the inside of cushion block 24.
After lens was held assembly and grasps, when pulling rotating disk 25, rotating disk 25 can drive lenses and rotate together.When realizing the clamping of lens, need to rotate adjusting screw(rod) 16, the upper surface of roof pressure vertical rod 15 is passed through in the bottom of adjusting screw(rod) 16, and makes an end of depression bar 17 impel pressure head 23 to press to lens.And when need taking out lens, backward rotation adjusting screw(rod) 16 is upwards pulled depression bar 17, and pressure head 23 and lens are separated.
Seat 8 on base 1, being provided with, said horizontal slide mechanism comprise the slide bar of being located on the middle seat 89, and slide bar 9 is parallel to the leading flank of column 20.Second line of a couplet joint chair 10 in the above-mentioned slide is socketed on the slide bar 9, and slide drives clamp assemblies and on slide bar 9, slides.
Between middle seat 8 and base 1, be provided with vertical slide mechanism; This vertical slide mechanism comprises the pedestal that is fixed on the base 1, is connected in screw rod on the pedestal rotationally; The inner of screw rod is threaded with dovetail groove coasting mechanism 6, and the outer end of screw rod is fixedly connected with moves handwheel 5.Screw rod is vertical with above-mentioned slide bar 9; When handwheel 5 is moved in rotation; Move handwheel 5 and drive the screw rods rotation, thereby make dovetail groove coasting mechanism 6 take place to slide relatively, so make clamping device and lead angle take turns 22 on fore-and-aft direction near or deviate from mutually; To adapt to the chamfering operation of different size specification lens, be convenient to the firm grip of clamp assemblies to lens.
Being clamped in respectively through the ground lens of automatic edge polisher on the cover of two on this facing attachment clamping assembly; Have scale on the above-mentioned rotating disk 25; Make the chamfer angle that lens is adjusted to needs processing through rotary turnplate 25; Chamfering wheel that can not specification can grind different chamfer angles to lens, makes lens have U.S. thin effect after lens is handled through facing attachment.
Claims (9)
1. a lens facing attachment comprises base, motor, chamfering wheel, clamp assemblies, and motor and chamfering wheel link, and it is characterized in that, on base, is provided with column (20), and said chamfering wheel (22) is installed on the leading flank of column (20); On base (1), be provided with slide, slide and chamfering wheel (22) are positioned at the same side of column (20); Be provided with horizontal slide mechanism between base (1) and the slide, slide can slide on base, and the slidably direction of slide is parallel to the leading flank of column (20), and described clamp assemblies is arranged on the slide, and clamp assemblies can make gripped object rotate; Between slide and base (1), be provided with vertical slide mechanism, under the effect of vertical slide mechanism, slide can slide along the leading flank direction perpendicular to column (20); Said slide comprises connection seat (11) and second line of a couplet joint chair (10), and last connection seat (11) is provided with gusset piece (14), and described clamp assemblies is fixed on the gusset piece (14); Distolateral hinged in the upper and lower connection seat; Second line of a couplet joint chair (10) is the inclined-plane towards the face of last connection seat (11); This inclined-plane is low inside and high outside; On last connection seat (11), be provided with run through connection seat (11), the lower end withstands on the adjustment bolt (12) on the said inclined-plane, the adjustment bolt (12) with last connection seat (11) between be threaded.
2. lens facing attachment according to claim 1 is characterized in that, said column (20) is a hollow, in the column (20) of hollow, is provided with the driving-belt that connects motor and chamfering wheel (22).
3. lens facing attachment according to claim 2; It is characterized in that; The inboard of said column (20) upper end is provided with water container (18), and an end of a conduit (21) communicates with water container (18), and the other end leads to the fillet surface of chamfering wheel (22).
4. lens facing attachment according to claim 3; It is characterized in that; Said column (20) is provided with the coupling head (19) of hollow, and coupling head (19) connects column (20) sidewall and water container (18) sidewall, and an end of said conduit (21) is connected in the coupling head (19).
5. lens facing attachment according to claim 4 is characterized in that, the upper surface of said base (1) is provided with collecting tank (7), on the bottom surface of collecting tank (7), is provided with the mozzle (4) that leads to the outside.
6. according to claim 1,2,3,4 or 5 described lens facing attachments; It is characterized in that; On base (1), be provided with middle seat (8), said horizontal slide mechanism comprises the slide bar of being located on the middle seat (8) (9), and said second line of a couplet joint chair (10) is socketed on the slide bar (9) slidably.
7. according to claim 1,2,3,4 or 5 described lens facing attachments; It is characterized in that said clamp assemblies comprises the vertical rod (15) that is arranged on vertically on the gusset piece (14), is hinged on the depression bar (17) of vertical rod (15) upper end and is located at the rotating disk (25) on the gusset piece (14); Rotating disk (25) is provided with the surface and is the cushion block of arc (24); One end of depression bar (17) extend into the position of cushion block (24); This end at depression bar (17) is provided with pressure head; Pressure head is gone up rotatable at depression bar (17), the other end of depression bar (17) adjusting screw(rod) (16) that has been threaded, adjusting screw(rod) (16) but the bottom roof pressure in vertical rod (15).
8. lens facing attachment according to claim 7; It is characterized in that; Said pressure head is provided with O shape elastic ring (32) towards the end face of cushion block (24), and the surface of cushion block (24) is provided with some anti-bothriums (36), and anti-bothrium (36) leads to the outside of cushion block (24).
9. lens facing attachment according to claim 7 is characterized in that, the axial location place of said rotating disk (25) is provided with connecting column (30), and the upper end of connecting column (30) is provided with open slot (31); Upper end at connecting column (30) is provided with suction nozzle; Suction nozzle comprises sucker (33) and the sucker disk seat cylindraceous (34) that links together; One pin (35) bridge joint is on the sidewall of sucker disk seat (34), and this pin (35) is positioned at described open slot (31) simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102797053A CN102069436B (en) | 2010-09-14 | 2010-09-14 | Eyeglass chamfering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102797053A CN102069436B (en) | 2010-09-14 | 2010-09-14 | Eyeglass chamfering machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102069436A CN102069436A (en) | 2011-05-25 |
| CN102069436B true CN102069436B (en) | 2012-04-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102797053A Expired - Fee Related CN102069436B (en) | 2010-09-14 | 2010-09-14 | Eyeglass chamfering machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102069436B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108161637B (en) * | 2017-12-27 | 2019-10-01 | 武汉华星光电技术有限公司 | Edging chamfering system and display panel chamfering production method |
| CN108747681A (en) * | 2018-06-21 | 2018-11-06 | 明光康诚伟业机电设备有限公司 | A kind of mobile phone camera glass chamfering device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57173447A (en) * | 1981-04-16 | 1982-10-25 | Nakamuratome Seimitsu Kogyo Kk | Working device for outer circumference of material difficult to be ground |
| DE4414784C2 (en) * | 1994-04-28 | 1996-07-18 | Wernicke & Co Gmbh | System for grinding the peripheral edge and / or an optical surface of spectacle lenses |
| DE10254238B4 (en) * | 2002-11-20 | 2007-04-19 | Bärenz, Manfred | Eyeglass lens edging machine |
| DE202004001299U1 (en) * | 2004-01-29 | 2004-05-19 | Altmeyer, Heike | Symmetrical double drilling machine |
| JP2007206783A (en) * | 2006-01-31 | 2007-08-16 | Disco Abrasive Syst Ltd | Apparatus and method for molding memory card |
| CN201089103Y (en) * | 2007-07-18 | 2008-07-23 | 张建文 | Edge grinding machine |
-
2010
- 2010-09-14 CN CN2010102797053A patent/CN102069436B/en not_active Expired - Fee Related
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| CN102069436A (en) | 2011-05-25 |
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Granted publication date: 20120411 Termination date: 20120914 |