CN201170433Y - Magnesium metal product reinforcing structure - Google Patents
Magnesium metal product reinforcing structure Download PDFInfo
- Publication number
- CN201170433Y CN201170433Y CNU2007202016921U CN200720201692U CN201170433Y CN 201170433 Y CN201170433 Y CN 201170433Y CN U2007202016921 U CNU2007202016921 U CN U2007202016921U CN 200720201692 U CN200720201692 U CN 200720201692U CN 201170433 Y CN201170433 Y CN 201170433Y
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- Prior art keywords
- magnesium
- fabricated metals
- strengthening structure
- fabricated
- metals
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- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 230000003014 reinforcing effect Effects 0.000 title 1
- 229910052751 metal Inorganic materials 0.000 claims abstract description 65
- 239000002184 metal Substances 0.000 claims abstract description 65
- 229910000861 Mg alloy Inorganic materials 0.000 claims abstract description 21
- 239000011777 magnesium Substances 0.000 claims description 52
- 229910052749 magnesium Inorganic materials 0.000 claims description 52
- 150000002739 metals Chemical class 0.000 claims description 41
- 229910000831 Steel Inorganic materials 0.000 claims description 22
- 239000010959 steel Substances 0.000 claims description 22
- 238000005728 strengthening Methods 0.000 claims description 18
- 238000005242 forging Methods 0.000 claims description 11
- 238000007514 turning Methods 0.000 claims description 7
- 238000005520 cutting process Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 3
- 238000004026 adhesive bonding Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- 230000006355 external stress Effects 0.000 abstract description 8
- 230000002787 reinforcement Effects 0.000 abstract description 8
- 238000005253 cladding Methods 0.000 abstract 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 13
- 229910052782 aluminium Inorganic materials 0.000 description 12
- 239000004411 aluminium Substances 0.000 description 11
- 239000000463 material Substances 0.000 description 7
- 238000012545 processing Methods 0.000 description 7
- 230000008485 antagonism Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 230000002596 correlated effect Effects 0.000 description 4
- 150000002680 magnesium Chemical class 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 238000005034 decoration Methods 0.000 description 3
- 238000004512 die casting Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 208000002193 Pain Diseases 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- HVYWMOMLDIMFJA-DPAQBDIFSA-N cholesterol Chemical compound C1C=C2C[C@@H](O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2 HVYWMOMLDIMFJA-DPAQBDIFSA-N 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 210000003027 ear inner Anatomy 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 210000002569 neuron Anatomy 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- 241001503987 Clematis vitalba Species 0.000 description 1
- 208000001132 Osteoporosis Diseases 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 241001439627 Schistostoma Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical compound [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 description 1
- 238000007743 anodising Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 210000002318 cardia Anatomy 0.000 description 1
- 230000000747 cardiac effect Effects 0.000 description 1
- 235000012000 cholesterol Nutrition 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 206010012601 diabetes mellitus Diseases 0.000 description 1
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- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 208000035475 disorder Diseases 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 208000020442 loss of weight Diseases 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 208000005346 nocturnal enuresis Diseases 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
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- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000003053 toxin Substances 0.000 description 1
- 231100000765 toxin Toxicity 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
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Abstract
本实用新型涉及一种镁金属制品补强结构，其主要包括一镁金属制品，所述镁金属制品为镁合金锻造而成，其局部上设有覆层的补强金属。如此，藉由覆层补强金属的增设，可有效增加结构强度，对抗外部应力防止断裂。
The utility model relates to a magnesium metal product reinforcement structure, which mainly includes a magnesium metal product, which is forged from a magnesium alloy and partially provided with a cladding reinforcement metal. Thus, by adding the cladding reinforcement metal, the structural strength can be effectively increased to resist external stress and prevent fracture.
Description
Technical field:
The utility model relates to a kind of magnesium fabricated metals strengthening structure, refers to that especially its magnesium fabricated metals is made through forging processing with magnesium alloy, is provided with the excess weld metal of multiple layer on its part, by this, and can effectively increase structural strength, prevents fracture with the antagonism external stress.
Background technique:
Owing to can obtain splendid outward appearance after aerial stability of aluminium and the anodising, so aluminium has become in the world one of metal of extensive use the most over nearly 50 years.It has wide range of applications, except in construction substrate, aviation industry, container transport, machinery, household electric appliance etc., even every product structure firm in appearance that will make is attractive in appearance in the articles for daily use, but still the convenience that can enjoy light weight, be easy to carry about with one, also all can use aluminum alloy material makes, for example, stroller handle, mountain-climbing crutch, mountain-climbing back of the body frame, mountain-climbing clasp etc.
In fact, aluminum metal is a kind of harmful element, if excess intake, unfavorable to health, the tap water purifier has the compound of aluminium in the daily life, the acid rain phenomenon also can be absorbed into aluminium element in fruit, vegetables and the grain indirectly, and the cooker of aluminium matter, tableware can be separated out aluminium ion, even aluminium dress can aluminum content exceeds 20 times than vial.At the end of the seventies, the expert finds that if a large amount of aluminium of taking in, aluminium can gather, the function of infringement nerve cell in the nerve cell of human body.Aluminium content in patient's Alzheimer brain exceeds 10 to 30 times than the normal person.Excessive aluminium also can hinder the normal calcium of human body, phosphorus metabolism, reduces the activity of stomach cardia, causes problems such as osteoporosis, the disorders of digestion and aging ahead of time.Opposite, the magnesium elements that belongs to light metal together then is the main component that constitutes bone, is one of indispensable mineral substance of human body.It can assist the absorption of calcium and potassium, has the effect of prevention of cardiac, diabetes, bed-wetting, reduction cholesterol.
Magnesium is a kind of high-performance light structural material, compares with other material to have many-sided advantage.The proportion of magnesium alloy is 1.7, is 2/3 of aluminum alloy proportion 2.7,21% of iron and steel proportion 7.9, and its light-weighted advantage is fairly obvious.In addition, magnesium alloy materials also has that strength/weight ratio is good, rigidity is good, shock-resistant, wear-resisting, and the magnesium goods can all reclaim pollution-freely again simultaneously, meet environmental protection, can absorb electromagnetic wave and the good characteristic of absorbing, thereby receive the favor of 3C industry greatly.
Under the trend of present global lightweight, heavily environmental protection, magnesium alloy has become the favorite of new world architecture with material, the magnesium alloy development pole is composed potentiality, and many industries all attempt replacing plastics or Al-alloy products with magnesium alloy, but because the shortcoming of magnesium-alloy material: cost of material is than aluminium height; Manufacturing technology is mostly still with die casting and the solid-state ejection formation of fritting, and mobile relatively poor because of magnesium makes the die casting processing procedure high more for the thin more Workpiece shaping difficulty of thickness, and the product reject ratio promotes relatively; The problem generation that has hot tearing, oxidation, flow liner, strength deficiency and eject distortion, and because of its finished product thickness is difficult to control proper, so back segment is handled must trimming, mend soil, application, baking vanish etc., not only manufacturing step is quite loaded down with trivial details, and can make material mix the toxin leaching material, cause the puzzlement of reclaiming on the categorized treatment, cause correlated product to be its shortcoming by the environmental requirement of American-European advanced country.
For this reason, the inventor actively drops into research and development, after constantly testing, finally impact forging is processed successfully be used in the magnesium alloy workpiece manufacturing and use, its material not only becomes fine and close and more firm via forging compression back quality, and formed product is effective can make labyrinth, and production can effectively promote rate of good product fast, the more favourable following process of the smooth surface of magnesium alloy after impact forging, and can effectively exempt loaded down with trivial details steps such as original die casting processing procedure also needs trimming, mends soil, application.
But, though can grasp with more advanced foundry engieering to come magnesium alloy is processed at present, but magnesium post or magnesium pipe for some galleyproof types, it is using the fooled bigger position of external stress of facing, the for example telescopic pipe parts of joining, or handgrip turning etc. are if use single magnesium alloy materials to make, structural strength still dislikes not enough in practicality, and the not potential problems of the easy fracture of tolerance are probably arranged.
Therefore, how above-mentioned shortcoming being forgone, provide a kind of structure to simplify with local plied timber as reinforcement, and can significantly promote Structure of magnesium alloy intensity, make effective antagonism external stress prevent fracture, promptly is the technology emphasis place that the utility model institute desire solves.
The model utility content:
Technical problem to be solved in the utility model is: at above-mentioned the deficiencies in the prior art, a kind of magnesium fabricated metals strengthening structure is provided, is processed into through forging with magnesium alloy, its part is provided with the excess weld metal of multiple layer, can effectively increase structural strength, prevent fracture with the antagonism external stress.
In order to solve the problems of the technologies described above, the technological scheme that the utility model adopted is: a kind of magnesium fabricated metals strengthening structure, it mainly comprises a magnesium fabricated metals, is characterized in: described magnesium fabricated metals is magnesium alloy forged forming, and its part is provided with the excess weld metal of multiple layer.
So, by setting up of multiple layer excess weld metal, can effectively increase structural strength, the antagonism external stress prevents fracture; Particularly place hollow part or the hollow portion of being provided with at collar shape steel ring, make in conjunction with the time magnesium metal can fill up hollow part or the hollow portion of entering, integrally formed stinging mutually to increase adhesive strength, and when being located at the outside, also can produce the string diagram sample after utilizing its hollow part to fill up naturally as decoration, or be used as the prominent point of on-slip, even form the sign of product, and can reach dual practical effect simultaneously as reinforcement and decoration.
Description of drawings:
Fig. 1 is a combination section of the present utility model.
Fig. 2 is the schematic representation that the utility model is made clasp.
Fig. 3 is the schematic representation that the utility model is made straight tube.
Fig. 4 is the schematic representation that the utility model excess weld metal is located at mouth of pipe inside.
Fig. 5 is the schematic representation that the utility model excess weld metal is located at mouth of pipe outside.
Fig. 6 is the cut-away view that the utility model is made telescopic pipe.
Fig. 7 is the schematic representation that the utility model is made bend pipe.
Fig. 8 is the running schematic representation that the utility model bend pipe is made.
Fig. 9 is that the utility model is made the handle schematic representation with the prominent point of on-slip.
Figure 10 is the schematic representation that the utility model collar shape steel are provided with hollow part.
Figure 11 is that the utility model is made the handle schematic representation with the prominent point of on-slip.
Label declaration:
1 magnesium fabricated metals, the 15 on-slip point of dashing forward
16 signs, 2 excess weld metal
20 cutting back steel, 21 collar shape steel
22 hollow part, 3 clasps
41 mouthfuls of ends of 4 straight tubes
45 telescopic pipes, 5 bend pipes
55 handles
Embodiment:
For further understanding constitution content of the present utility model and other characteristics, lift preferred embodiment of the present utility model now, and conjunction with figs. is described in detail as follows:
To shown in Figure 11, the utility model is a kind of magnesium alloy product strengthening structure as Fig. 1, and it mainly comprises:
One magnesium fabricated metals 1, it is made through forging processing with magnesium alloy, its part is provided with the excess weld metal 2 of multiple layer;
Wherein this magnesium fabricated metals 1 can have a long strip outward appearance, or is set as tabular body or blocks, and this excess weld metal 2 can be cutting back steel 20, or has the metallic material of equal toughness of steel.
By this, when its structure is formed, availablely be spirally connected, modes such as forging welding, gluing, on the stressed important part of magnesium fabricated metals 1, be provided with the excess weld metal 2 of multiple layer, so can effectively increase structural strength, resist external stress with multiple layer excess weld metal 2, therefrom rupture to prevent magnesium fabricated metals 1.
Especially, with the forging welding mode in conjunction with the time, softening at magnesium metal and plied timber, place pressurized connecting shaping in the mould, the higher excess weld metal 2 of its temperature in being pressed into the lower magnesium alloy of temperature after, this excess weld metal 2 also can carry out heat exchange to the magnesium metal again heats indirectly, impels the magnesium alloy temperature more to promote, make both more mix and be the eutectic state and be right after one, so that composite structure produces adhesive strength is better.
And because this magnesium fabricated metals 1 is to utilize to forge processing technique, not only good forming effect can be made various labyrinths, produces and can effectively promote rate of good product fast, and the surface of magnesium fabricated metals 1 also can be more smooth after impact forging, favourable follow-up easy processing.
In addition, in practicality, the utlity model has purposes quite widely, for example shown in Figure 2, galleyproof type magnesium fabricated metals 1 can be made mountain-climbing clasp 3 correlated products such as grade of solid many foldings, obvious loss of weight when the climber is worn, and on its structure, because of inside, clasp 3 turning, the embedding cutting back steel 20 that arc is arranged are so make its structure can bear not easy-rupturing of bigger load-carrying.
Or to shown in Figure 5, this magnesium fabricated metals 1 also can be the waney Taper Pipe of straight tube 4 or front and back (figure does not show) as Fig. 3, and this excess weld metal 2 then can be made as collar shape steel 21, being embedded in the inside of the straight nose end 41 of magnesium system, or is arranged with the outside of nose end 41.
As shown in Figure 6, utilize the collar shape steel 21 of this different sizes, put inside and outside at the straight tube 4 of different bores or awl nose end 41 respectively, can further use mutual cover winding and become a telescopic pipe 45, be used as correlated products such as mountain-climbing telescopic crutch or retractable spontoon, and the collar shape steel 21 that have mutual cover inside and outside its telescopic joint position of mat are as reinforcement, make that product is more durable to bear external force and non-explosive schistostoma is opened.
See also shown in Figure 7ly, wherein this magnesium fabricated metals 1 also can be made as bend pipe 5, and this excess weld metal 2 can be arc sleeve ring-type steel 21, burying the inside at bend pipe 5 turnings underground, or is set in the outside at the turning of bend pipe 5.During manufacturing, because magnesium fabricated metals 1 is to adopt to forge processing, so can be as shown in Figure 8 during combination, with bore the bigger different tubing of difference are overlapped in advance mutually, insert the crowded type that shortens into of impact forging in the mould again, utilize this mode can conveniently make handle 55, the stroller handle of the hundle-bar 55 of two-fold as shown in Figure 9 or single folding correlated products such as (figure do not show) with bending.
Remove this, extremely shown in Figure 11 as Fig. 9, if the enhancement adhesive strength, the ring of its collar shape steel 21 is placed and also is provided with hollow part 22 or hollow portion (not shown), make in conjunction with the time magnesium metal can fill up hollow part 22 or the hollow portion of entering, integrally formed stinging mutually to increase adhesive strength, if and in conjunction with the time these collar shape steel 21 be located at the outside of magnesium system straight tube 4 or bend pipe 5, after the magnesium metal fills up hollow part 22 or hollow portion, also can produce the string diagram sample naturally with as decorating, or be used as the prominent point 15 of on-slip, even form the sign 16 of product, so can reach dual practical effect simultaneously as reinforcement and decoration.
In sum, the utility model is as the metallurgical property and the physical property best applications of magnesium alloy, it is more easy that it not only can make the magnesium metallic cause on the type, and quality is hard, rate of good product significantly improves, and on local location, can be used as reinforcement by plied timber again, and can effectively increase structural strength, prevent fracture in order to the antagonism external stress.
Claims (13)
1. magnesium fabricated metals strengthening structure, it mainly comprises a magnesium fabricated metals, it is characterized in that: described magnesium fabricated metals is magnesium alloy forged forming, its part is provided with the excess weld metal of multiple layer.
2. magnesium fabricated metals strengthening structure as claimed in claim 1 is characterized in that: described magnesium fabricated metals is a long strip, and this excess weld metal is the cutting back steel.
3. magnesium fabricated metals strengthening structure as claimed in claim 2 is characterized in that: described magnesium fabricated metals is the clasp of solid many foldings, and the inner embedding cutting back steel that arc is arranged in turning.
4. magnesium fabricated metals strengthening structure as claimed in claim 1 is characterized in that: described magnesium fabricated metals is the waney Taper Pipe of straight tube or front and back, and this excess weld metal is the collar shape steel, is embedded in the inside of nose end, or is set in the outside of nose end.
5. magnesium fabricated metals strengthening structure as claimed in claim 4 is characterized in that: described magnesium fabricated metals is a telescopic pipe, overlaps winding mutually by the straight tube of many different bores or Taper Pipe and forms.
6. magnesium fabricated metals strengthening structure as claimed in claim 1 is characterized in that: described magnesium fabricated metals is a bend pipe, and this excess weld metal is arc sleeve ring-type steel, is embedded in the inside at bend pipe turning, or is set in the outside at bend pipe turning.
7. magnesium fabricated metals strengthening structure as claimed in claim 6 is characterized in that: described magnesium fabricated metals has the handle of single folding or two-fold.
8. magnesium fabricated metals strengthening structure as claimed in claim 4 is characterized in that: the ring of described collar shape steel is placed hollow part or the hollow portion of being provided with, in conjunction with the time magnesium metal fill up hollow part or the hollow portion of entering, integrally formedly sting mutually.
9. magnesium fabricated metals strengthening structure as claimed in claim 6 is characterized in that: the ring of described collar shape steel is placed hollow part or the hollow portion of being provided with, in conjunction with the time magnesium metal fill up hollow part or the hollow portion of entering, integrally formedly sting mutually.
10. magnesium fabricated metals strengthening structure as claimed in claim 8, it is characterized in that: described collar shape steel are located at the outside of magnesium system straight tube or Taper Pipe.
11. magnesium fabricated metals strengthening structure as claimed in claim 9, it is characterized in that: described collar shape steel are located at the outside of magnesium system bend pipe.
12. magnesium fabricated metals strengthening structure as claimed in claim 1 is characterized in that: described magnesium fabricated metals and excess weld metal is spirally connected, forging welding or gluing.
13. magnesium fabricated metals strengthening structure as claimed in claim 1 is characterized in that: described magnesium fabricated metals is tabular or block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007202016921U CN201170433Y (en) | 2007-12-19 | 2007-12-19 | Magnesium metal product reinforcing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007202016921U CN201170433Y (en) | 2007-12-19 | 2007-12-19 | Magnesium metal product reinforcing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201170433Y true CN201170433Y (en) | 2008-12-24 |
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ID=40209486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007202016921U Expired - Fee Related CN201170433Y (en) | 2007-12-19 | 2007-12-19 | Magnesium metal product reinforcing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201170433Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734628A (en) * | 2012-07-06 | 2012-10-17 | 常熟市兰达兰基钢管附件有限公司 | Handbrake handle pipe of automobile |
-
2007
- 2007-12-19 CN CNU2007202016921U patent/CN201170433Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734628A (en) * | 2012-07-06 | 2012-10-17 | 常熟市兰达兰基钢管附件有限公司 | Handbrake handle pipe of automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081224 Termination date: 20151219 |
|
| EXPY | Termination of patent right or utility model |