CN102259144A - Manufacture method for shim of multi-head rotary electric shaver - Google Patents
Manufacture method for shim of multi-head rotary electric shaver Download PDFInfo
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- CN102259144A CN102259144A CN2011101975471A CN201110197547A CN102259144A CN 102259144 A CN102259144 A CN 102259144A CN 2011101975471 A CN2011101975471 A CN 2011101975471A CN 201110197547 A CN201110197547 A CN 201110197547A CN 102259144 A CN102259144 A CN 102259144A
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Abstract
The invention provides a manufacture method for the shim of a multi-head rotary electric shaver, comprising the working procedures of shaping by stamping and tapping, wherein the working procedure of shaping by stamping is divided into pre-drawing and forming drawing; and the working procedure of tapping is carried out between pre-drawing and forming drawing. The manufacture method comprises the following concrete step: firstly pre-drawing on stamping equipment; punching on the stamping equipment; and carrying out forming drawing on the stamping equipment, wherein the size of the bottom surface of a workpiece during punching contains all areas requiring for punching. Compared with the prior art, the manufacture method disclosed by the invention is characterized in that a stamping method is used for tapping, so that the manufacture method is simple to process and has small material loss but avoid environmental pollution generated by the electrolysis process; the top wall only needs to be levelled and ground, the grinding amount is small, and the precision is easy to master; and stamping for punching and lower grinding amount improve the machining efficiency of the shim by above 20 times.
Description
Technical field
What the present invention relates to is a kind of manufacture method of stationary knife of multi-head rotary electric shaver, belongs to the hand-held cutting tool of rotary-cutter type in the operation.
Background technology
Rotary electric shaver is that a kind of moving knife porose stationary knife outer with covering on moving knife that relies on motor-driven to rotate done relative shear and instrument that beard and hair is cut, and bull is meant that an electric shaver has a plurality of cutter heads that are made of moving stationary knife.The stationary knife of multi-head rotary electric shaver and single head stationary knife structure basically identical, it is the cap shape part that the roof of the circle wall that makes it not rotate by being connected with the shaver housing and perforate constitutes, its mesopore is into must the hole, and incline is again the sword that cooperates with moving knife in the hole.In stationary knife, the circle wall will have certain thickness so that enough rigidity and manufacturing and housing connecting elements to be provided, having the mesh part in the roof then can not be too thick because of its thickness that requires of the elasticity and the back chipping degree that shaves, generally enclose wall thickness at 0.4 ~ 0.7mm, the mesh part is arranged at 0.07 ~ 0.12 mm.The manufacture method of this stationary knife in the past, be earlier the sheet material punching out of 0.5 mm left and right thickness to be become cap shape part, on roof, stamp out the endless belt then, leave with hobbing technology again and link up the slotted hole inside and outside the endless belt or use the electrolysis process perforate, carry out the hardness modulation again, at last with the roof skiving.But there are many deficiencies in described method, and first mainly is because roof and circle wall thickness difference are bigger, and promptly the skiving amount is bigger, then can make the precision of roof thickness be difficult to assurance and processing time consuming, efficient is low; Also can make material hardness degenerate and produce inhomogeneously, and then make cutter the net bad and wearability variation of sharpness in use.The secondth, with the perforate of metalworking mode, roof must be made monocycle or double-ring, in the middle of it sink in zone, leaves straight slotted hole with the technology of hobbing inside and outside ring.The 3rd is when hole shape on the net formula blade is designed to curve shape better appearance and that the skin sense is comfortable, metalworking can't realize, use the Electrolyzed Processing mode to realize and have only, but the Electrolyzed Processing mode not only process slowly, and environment had pollute and ample resources is wasted.In addition, because of being wear down end face perforate again after the whole punching out, so in the knuckle part of the edge of stationary knife roof with the circle wall, it is thick that Xu Kou is advanced in the side of making, advancing must weak effect, and the particularly long beard that must and curl is difficult to enter, cause the decrease in efficiency that shaves.
Owing to will have the side to advance Xu Kou with the knuckle place of enclosing wall at the edge of stationary knife roof, therefore after the roof with cap shape part needs perforate part skiving, still can not adopt the method perforate thereon of punching out, make perforate in the prior art can only select metalworking or electrolytic method.
Summary of the invention
At above-mentioned deficiency, technical problem to be solved by this invention is the hole opening technology of seeking except that metalworking and electrolysis process, with the manufacture method of stationary knife that a kind of new multi-head rotary electric shaver is provided.
The manufacture method of the stationary knife of multi-head rotary electric shaver provided by the invention, comprise punch forming and perforate operation, said punch forming is divided into pre-pull and stretch and moulding pull and stretch, said perforate operation is placed between pre-pull and stretch and the moulding pull and stretch, be that concrete manufacture method is dark for carry out earlier prestretching on pressing equipment, punch on pressing equipment, carry out the moulding pull and stretch at last on pressing equipment, the workpiece bottom size comprises the entire area of needs punching when wherein punching.
The manufacture method of the stationary knife of multi-head rotary electric shaver provided by the invention, drilling process are placed between pre-pull and stretch operation of cap shape part and the moulding drawing sequence, make and can realize finishing punching with Sheet Metal Forming Technology.And the bottom surface behind the pre-pull and stretch comprises the entire area of needs punching, carries out the moulding pull and stretch after the punching again and makes place, outermost hole part finally by knuckle, becomes the side and enters the palpus hole.Compared with prior art, the present invention adopts the method for punching perforate, makes that processing is simple, spillage of material is few, the environmental pollution of not adopting electrolysis process and being produced, and roof need only be done the levelling grinding, and stock removal is very little, and precision is grasped easily; Punching out punching and less stock removal make the working (machining) efficiency of stationary knife improve more than 20 times.Stationary knife so that this method obtains because of the pore wall thickness basically identical on the whole stationary knife, makes shave stay root all definite and shorter with thin roof thickness, obtains higher shave efficient and sense of touch.Also can be because of the cutting degree improve than deflection decline, the precision that not make material hardness change greatly and to cause because of metalworking, sharpness, noise and the sense of shearing skin all obviously improve during use.
The manufacture method of the stationary knife of multi-head rotary electric shaver provided by the invention, comprise punch forming and perforate operation, it is characterized in that it is that the thickness of roof requirement adds that the sheet stamping of allowance becomes to have circle wall and roof that said punch forming comprises with thickness, the cap shape part of perforate on the roof, the punch forming of cap shape part is divided into pre-pull and stretch and moulding pull and stretch, said perforate operation is placed between pre-pull and stretch and the moulding pull and stretch, be that concrete manufacture method is dark for carry out earlier prestretching on pressing equipment, on pressing equipment, punch again, carry out the moulding pull and stretch at last on pressing equipment, the workpiece bottom size comprises the entire area of needs punching when wherein punching; Said punch forming also comprise with sheet stamping become one second the circle wall, cap shape part and second the circle wall machine respectively after with second the circle wall be installed in the cap shape part.
The manufacture method of the stationary knife of multi-head rotary electric shaver provided by the invention, product is divided into two parts forms, be about to enclose wall be divided into two-layer, one deck and roof one, another layer is determined two kinds of different wall thickness of desired circle wall and roof as stiffening ring on raw material.Make roof need only do the levelling grinding, stock removal is very little, and precision is grasped easily; Punching out punching and less stock removal make the working (machining) efficiency of stationary knife improve more than 20 times.Stationary knife so that this method obtains because of the pore wall thickness unanimity on the whole stationary knife, makes shave stay root all definite and shorter with thin roof thickness, obtains higher shave efficient and sense of touch.Also can be because of the cutting degree improve than deflection decline, the precision that not make material hardness change greatly and to cause because of metalworking, sharpness, noise and the sense of shearing skin all obviously improve during use.Also can improve the versatility of product and the rigidity of enhancing product simultaneously.
The said second circle wall will point to an end bevel of cap shape part before in being installed to cap shape part earlier, inclined-plane and outside wall surface formation sharp edge, and angle is less than 30 °.The shape of the second circle wall upper edge makes stationary knife circle wall and inboard, roof knuckle place that an outside recessed endless belt be arranged, and making into not only to have the degree of depth the same with other parts in the marginal portion of stationary knife in the hole, and the obstruction of not enclosing wall in the hole.And in the prior art, as shown in Figure 3, cap shape part 11 has the plane 1b of the circle wall thickness that forms because of the hobbing feed because of hole 1a on the roof at circle wall one end, makes beard 3 not enter tool bore from nose end.Thereby the invention solves the deficiency that beard (particularly long beard or volume beard) can not enter the hole fully, further improved the efficient that shaves.
The manufacture method of the stationary knife of multi-head rotary electric shaver provided by the invention, to make and form width be that slotted hole and/or the equivalent diameter of 0.2 ~ 0.3mm is the hole of 0.4 ~ 0.5mm to employed mould in drilling process.Because adopt the punching out punching, the hole gauge lattice on the roof are not restricted by metalworking technology, therefore not only slotted hole can be designed to various curve shapes, can also be designed to circular hole or various irregularly-shaped hole.Simultaneously, roof not only can be made monocycle or double-ring, can also make more rings or not form annular; Roof is the plane not necessarily, can also make cambered surface.So not only enriched the face shaping of stationary knife, also can realize the stationary knife moulding properer with skin.Must the hole reaching everywhere in advancing of the marginal portion of stationary knife simultaneously and must the hole go up equally in the degree of depth (place, hole wall thickness) with advancing of other parts, all be roof thickness, eliminated because of place, hole wall thickness greatly and with the inconsistent some shortcomings that cause in other positions.
The manufacture method of the stationary knife of multi-head rotary electric shaver provided by the invention, the pre-pull and stretch of said cap shape part, punching, moulding pull and stretch all divide multistage carrying out, the moulding of the second circle wall also divides multistage carrying out, so that the non-design variations of material that will cause because of pull and stretch, punching, moulding etc. reduces.
Said the second circle wall is installed to method in the cap shape part, can from following four kinds, select one or more, one is that the second circle wall is enclosed within the cap shape part in the mode of interference fit, and their assemble method is on pressing equipment the second circle wall pressure to be gone in the cap shape part after cap shape part is finished the moulding pull and stretch.Two is that the second circle wall is enclosed within the cap shape part in the mode of welding, and their assemble method is after cap shape part is finished the moulding pull and stretch the second circle wall to be inserted in the cap shape part, welds with electric resistance welding method.Three is that the second circle wall is to be enclosed within the cap shape part in the mode that bonds, and their assemble method is that the second circle wall pressure that outer wall is scribbled metal-to-metal adhesive after cap shape part is finished the moulding pull and stretch on pressing equipment is gone in the cap shape part.Four is that the second circle wall is to be enclosed within the cap shape part with riveted way, and their assemble method is after cap shape part is finished the moulding pull and stretch the second circle wall to be inserted in to clash into sags and crests outside two-layer circle wall.
The manufacture method of the stationary knife of multi-head rotary electric shaver provided by the invention, the pre-pull and stretch of cap shape part, punching and its process of moulding pull and stretch are: earlier thin plate is cut into banded strip, again strip is sent in the mould of pressing equipment through feeding guide, the mould of pressing equipment is a straight line and arranges, from the strip direction of advance, have successively and cut mould, pre-pull and stretch module, punching module, moulding pull and stretch module, shearing die in advance; Wherein cut mould in advance and be meant workpiece is needed with material except that involving the needed mould that separates with strip some that shearing die is the mould that workpiece is separated with strip fully; Module has been meant the multiple tracks mould.
Said punching die combination has Drawing Die, increases pull and stretch with reality and divides progression, further reduces non-design variations amount.
The manufacture method of the stationary knife of multi-head rotary electric shaver provided by the invention, the punching out of the second circle wall is earlier thin plate to be cut into banded strip, again strip is sent in the mould of pressing equipment through feeding guide, the mould of pressing equipment is a straight line and arranges, from the strip direction of advance, have successively and cut mould, pre-pull and stretch module, moulding pull and stretch module, shearing die in advance; Wherein cutting mould in advance is meant workpiece is needed with material except that the mould that involves the needed mould that separates with strip some and the workpiece mid portion is cut off or refer to the workpiece mid portion is cut off, pre-pull and stretch module is the mould that the flat board that will mesopore be arranged pulls into tubular, the moulding pull and stretch is to pull into circle wall shape and with upper end punching press mould in the slope, and shearing die is the mould that workpiece is separated with strip fully; Module has been meant the multiple tracks mould.
The manufacture method of the stationary knife of multi-head rotary electric shaver provided by the invention, the processing and being assembled on the pressing equipment of two parts of the processing of cap shape part, the second circle wall are carried out, and detailed process is:
The feeding guide of cap shape part strip before the assembling mould successively by cutting mould, pre-pull and stretch module, punching module, moulding pull and stretch module in advance, the feeding guide of the second circle wall strip before the assembling mould successively by cutting mould, pre-pull and stretch module, moulding pull and stretch module in advance, the assembling die combination has the shearing die of cap shape part, the feeding guide of the second circle wall strip by the assembling mould after shearing die by the second circle wall;
Punching press is finished product and is collected at the blanking port of the second circle wall shearing die.
Said second feeding guide that encloses the wall strip encloses the shearing die of wall in the past also by sizing die, riveting die later on and by second by the assembling mould, sizing die is to make after the assembling of two parts the more firm mould of kimonos, and riveting die is that cap is adorned the mould that part circle wall lower edge and the second circle wall lower edge stamp out sags and crests.
Description of drawings
Fig. 1 is the structure chart with the inventive method products obtained therefrom one embodiment, and Fig. 2 is an I regional enlarged drawing among Fig. 1, among the figure: 1-cap shape part, the 2-second circle wall, 3-beard, a-hole;
Fig. 3 is the structure chart of prior art centre circle wall and roof knuckle part, among the figure: 11-cap shape part, 1a-hole, 1b-plane, 3-beard.
Fig. 4 is the technical process schematic diagram of one embodiment of the invention, among the figure: the 20-second circle wall strip, 21-pressing equipment workbench, the 22-second circle wall is cut mould in advance, the empty mould of 23-position, the pre-Drawing Die of the 24-second circle wall, the 25-second circle wall shaping mould, 26-cap shape part strip, 27-assembles mould, the 28-sizing die, 29-riveting die, the 30-second circle wall shearing die, 31-cap shape forming parts Drawing Die, 32-cap shape part punching mould, the pre-Drawing Die of 33-cap shape part, 34-cap shape part is cut mould in advance.
The specific embodiment
1, a kind of manufacture method of stationary knife of multi-head rotary electric shaver, the product structure that make as shown in Figure 1, 2, it has two parts, the one, cap shape part 1, another part is the second circle wall 2, and cap shape part has stamping forming circle wall and roof, has hole a on the roof.The hole is the passage that beard or other hairs enter, and the inboard rib that constitutes of hole and roof also is the stationary knife blade.Cap shape part is with the thick thin plate punching out of 0.14 ~ 0.28mm, and the second circle wall so that in the gained stationary knife two-layer circle wall thickness thickness be to be purpose about conventional 0.5 mm, adopt the material of respective thickness.The circle wall part inwall of the second circle wall outer wall and cap shape part is made interference fit, makes their strong bonded.The second circle wall upper end is the inclined-plane, and high one side, inclined-plane is at its outer wall, and the acutance of formation is 28 °.After second circle wall and the cap shape part was harmonious, the circle wall part inwall of cap shape part was close to by its sharp-pointed portion, and at Kongzui outer rim upper/lower positions slightly, made the stationary knife of formation that one annular chamber that has enlarged be arranged in enclosing wall and roof knuckle place.Beard or other hairs 3 can pass from the outermost of stationary knife outermost marginal pore fully, and making shaves stays root extremely short, makes sense of touch good.And in the prior art, the outermost wall of outermost marginal pore is the plane that the hobbing cutlery is produced on thicker circle wall, and the circle wall to roof at the thickness at knuckle place because of the restriction of grinding process by thick to thin transition, so, as shown in Figure 3, beard or other hairs 3 should here be stopped, and stay root longer than other positions behind the shave, need be with other parts of stationary knife shave again, otherwise sense of touch is relatively poor.
Its manufacturing process is
Cutting: select for use the thin plate of 0.14 ~ 0.28mm thickness to be cut into cap shape part strip and to select for use the thin plate of 0.22 ~ 0.36mm thickness to be cut into the second circle wall part strip;
The setting of mould is the center with the joining of two feeding guides, and the mould that this central point is installed is that cap shape part and second is enclosed the assembling mould that wall fits together, and the assembling mould also makes up the shearing die that cap shape part is cut off strip.See by the strip direction of advance, before this central point, install along the feeding guide of cap shape part strip and to cut mould 34, one room mould, the pre-Drawing Die 33 in three roads, four roads punching mould 32, four road moulding Drawing Die 31 together in advance.Install along the feeding guide of the second circle wall strip and to cut mould 22, one room mould 23, the pre-pull and stretch module 24 in three roads, three road moulding pull and stretch modules 25 together in advance.After this central point, three road sizing dies 27, one riveting die 28, one room mould 29, one shearing die 30 are installed along the feeding guide of the second circle wall strip.The room mould is established for reserving the mold work space.Punching press is finished product and is collected at the blanking port of the second circle wall shearing die.
When mould designed, the external diameter of workpiece inner diameter of workpiece after cap dress part moulding Drawing Die is at last finished was an interference fit after last one shaping mould of the second circle wall finished.
2, the manufacture method of the stationary knife of another kind of multi-head rotary electric shaver, on a pressing equipment, sheet stamping is become to have the cap shape part semi-finished product of circle wall and roof, punching on another pressing equipment is again carried out the moulding pull and stretch at last on the 3rd pressing equipment.Heat-treat after finishing.
3, connect example, on the 4th pressing equipment, sheet stamping become the second circle wall, after on the 5th pressing equipment cap shape part of both matched in clearance and the second circle wall liner being harmonious, fastening and rivet.
4, by example 2, on the 4th pressing equipment, sheet stamping become the second circle wall, after on the 5th pressing equipment cap shape part of both matched in clearance and the second circle wall liner being harmonious, fastening and weld.
5, by example 2, on the 4th pressing equipment, sheet stamping become the second circle wall, after on the 5th pressing equipment cap shape part of both matched in clearance and the second circle wall liner being harmonious, fasten, being harmonious before, enclose the wall outer wall and be coated with and brush the metal adhesive glue second.
6, cap shape part machines through the progressive die on same pressing equipment with strip.
Claims (10)
1. the manufacture method of the stationary knife of a multi-head rotary electric shaver, comprise punch forming and perforate operation, it is characterized in that said punch forming is divided into pre-pull and stretch and moulding pull and stretch, said perforate operation is placed between pre-pull and stretch and the moulding pull and stretch, be that concrete manufacture method is dark for carry out earlier prestretching on pressing equipment, punch on pressing equipment, carry out the moulding pull and stretch at last on pressing equipment, the workpiece bottom size comprises the entire area of needs punching when wherein punching.
2. the manufacture method of the stationary knife of a multi-head rotary electric shaver, comprise punch forming and perforate operation, it is characterized in that it is that the thickness of roof requirement adds that the sheet stamping of allowance becomes to have circle wall and roof that said punch forming comprises with thickness, the cap shape part of perforate on the roof, the punch forming of cap shape part is divided into pre-pull and stretch and moulding pull and stretch, said perforate operation is placed between pre-pull and stretch and the moulding pull and stretch, be that concrete manufacture method is dark for carry out earlier prestretching on pressing equipment, on pressing equipment, punch again, carry out the moulding pull and stretch at last on pressing equipment, the workpiece bottom size comprises the entire area of needs punching when wherein punching; Said punch forming also comprise with sheet stamping become one second the circle wall, cap shape part and second the circle wall machine respectively after with second the circle wall be installed in the cap shape part.
3. the manufacture method of the stationary knife of multi-head rotary electric shaver as claimed in claim 2, it is characterized in that to point to earlier before the said second circle wall is in being installed to cap shape part an end bevel of cap shape part, inclined-plane and outside wall surface form sharp edge, and angle is less than 30 °.
4. the manufacture method of the stationary knife of multi-head rotary electric shaver as claimed in claim 1 or 2 is characterized in that in drilling process employed mould makes that to form width be that slotted hole and/or the equivalent diameter of 0.2 ~ 0.3mm is the hole of 0.4 ~ 0.5mm.
5. as the manufacture method of the stationary knife of claim 1 or 2 or 3 described multi-head rotary electric shavers, it is characterized in that said the second circle wall being installed to method in the cap shape part, be from following four kinds, to select one or more, one is that the second circle wall is enclosed within the cap shape part in the mode of interference fit, and their assemble method is on pressing equipment the second circle wall pressure to be gone in the cap shape part after cap shape part is finished the moulding pull and stretch; Two is that the second circle wall is enclosed within the cap shape part in the mode of welding, and their assemble method is after cap shape part is finished the moulding pull and stretch the second circle wall to be inserted in the cap shape part, welds with electric resistance welding method; Three is that the second circle wall is enclosed within the cap shape part in the mode that bonds, and their assemble method is that the second circle wall pressure that outer wall is scribbled metal-to-metal adhesive after cap shape part is finished the moulding pull and stretch on pressing equipment is gone in the cap shape part; Four is that the second circle wall is enclosed within the cap shape part with riveted way, and their assemble method is after cap shape part is finished the moulding pull and stretch the second circle wall to be inserted in to clash into sags and crests outside two-layer circle wall.
6. the manufacture method of the stationary knife of multi-head rotary electric shaver as claimed in claim 1 or 2, pre-pull and stretch, punching and its process of moulding pull and stretch of it is characterized in that cap shape part are: earlier thin plate is cut into banded strip, again strip is sent in the mould of pressing equipment through feeding guide, the mould of pressing equipment is a straight line and arranges, from the strip direction of advance, have successively and cut mould, pre-pull and stretch module, punching module, moulding pull and stretch module, shearing die in advance; Wherein cut mould in advance and be meant workpiece is needed with material except that involving the needed mould that separates with strip some that shearing die is the mould that workpiece is separated with strip fully; Module has been meant the multiple tracks mould.
7. the manufacture method of the stationary knife of multi-head rotary electric shaver as claimed in claim 6 is characterized in that said punching die combination has Drawing Die.
8. as the manufacture method of the stationary knife of claim 2 or 3 described multi-head rotary electric shavers, the punching out that it is characterized in that the second circle wall is earlier thin plate to be cut into banded strip, again strip is sent in the mould of pressing equipment through feeding guide, the mould of pressing equipment is a straight line and arranges, from the strip direction of advance, have successively and cut mould, pre-pull and stretch module, moulding pull and stretch module, shearing die in advance; Wherein cutting mould in advance is meant workpiece is needed with material except that the mould that involves the needed mould that separates with strip some and the workpiece mid portion is cut off or refer to the workpiece mid portion is cut off, pre-pull and stretch module is the mould that the flat board that will mesopore be arranged pulls into tubular, the moulding pull and stretch is to finish circle wall design shape mould, and shearing die is the mould that workpiece is separated with strip fully; Module has been meant the multiple tracks mould.
9. the manufacture method of the stationary knife of multi-head rotary electric shaver as claimed in claim 2, it is characterized in that cap shape part processing, second the circle wall processing and being assembled on the same pressing equipment of two parts carry out, detailed process is:
Cap shape part strip is installed in the feeding guide on the pressing equipment workbench, will encloses the wall strip simultaneously and be installed in the circle wall feeding guide on the pressing equipment workbench, two guide rails intersect at the assembling mould;
The feeding guide of cap shape part strip before the assembling mould successively by cutting mould, pre-pull and stretch module, punching module, moulding pull and stretch module in advance, the feeding guide of the second circle wall strip before the assembling mould successively by cutting mould, pre-pull and stretch module, moulding pull and stretch module in advance, the assembling die combination has the shearing die of cap shape part, the feeding guide of the second circle wall strip by the assembling mould after shearing die by the second circle wall;
Punching press is finished product and is collected at the blanking port of the second circle wall shearing die.
10. the manufacture method of the stationary knife of multi-head rotary electric shaver as claimed in claim 9, it is characterized in that said second feeding guide that encloses the wall strip encloses the shearing die of wall in the past also by sizing die, riveting die later on and by second by the assembling mould, sizing die is to make after the assembling of two parts the more firm mould of kimonos, and riveting die is that cap is adorned the mould that part circle wall lower edge and the second circle wall lower edge stamp out sags and crests.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110197547 CN102259144B (en) | 2011-07-15 | 2011-07-15 | Manufacture method for shim of multi-head rotary electric shaver |
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| CN 201110197547 CN102259144B (en) | 2011-07-15 | 2011-07-15 | Manufacture method for shim of multi-head rotary electric shaver |
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| CN102259144A true CN102259144A (en) | 2011-11-30 |
| CN102259144B CN102259144B (en) | 2013-06-19 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103753608B (en) * | 2013-12-23 | 2016-08-17 | 温州朗威电器有限公司 | Shaver and shaver cutter net and the manufacturing process of shaver cutter net |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3881373A (en) * | 1974-03-13 | 1975-05-06 | Matsushita Electric Works Ltd | Method of making outer blade for electric shaver |
| JPH08141228A (en) * | 1994-11-15 | 1996-06-04 | Sanzen Seiko Kk | Production of outer edge for electrical razor |
| CN2877994Y (en) * | 2005-12-12 | 2007-03-14 | 舟山市金达电机电器有限公司 | Multi-head rotation electric shaver tool bit |
| CN201361885Y (en) * | 2009-02-16 | 2009-12-16 | 浙江金达电机电器有限公司 | Stationary knife of multihead rotary type electric shaver |
| CN101767164A (en) * | 2009-12-31 | 2010-07-07 | 潍坊裕元电子有限公司 | Method for producing thin-wall metal circular ring and grading stamping mould used therefor |
-
2011
- 2011-07-15 CN CN 201110197547 patent/CN102259144B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3881373A (en) * | 1974-03-13 | 1975-05-06 | Matsushita Electric Works Ltd | Method of making outer blade for electric shaver |
| JPH08141228A (en) * | 1994-11-15 | 1996-06-04 | Sanzen Seiko Kk | Production of outer edge for electrical razor |
| CN2877994Y (en) * | 2005-12-12 | 2007-03-14 | 舟山市金达电机电器有限公司 | Multi-head rotation electric shaver tool bit |
| CN201361885Y (en) * | 2009-02-16 | 2009-12-16 | 浙江金达电机电器有限公司 | Stationary knife of multihead rotary type electric shaver |
| CN101767164A (en) * | 2009-12-31 | 2010-07-07 | 潍坊裕元电子有限公司 | Method for producing thin-wall metal circular ring and grading stamping mould used therefor |
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| CN102259144B (en) | 2013-06-19 |
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