CN103407540A - Adhesive connection method of original bamboo and bicycle metal joint - Google Patents
Adhesive connection method of original bamboo and bicycle metal joint Download PDFInfo
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- CN103407540A CN103407540A CN2013103515306A CN201310351530A CN103407540A CN 103407540 A CN103407540 A CN 103407540A CN 2013103515306 A CN2013103515306 A CN 2013103515306A CN 201310351530 A CN201310351530 A CN 201310351530A CN 103407540 A CN103407540 A CN 103407540A
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- 239000002184 metal Substances 0.000 title claims abstract description 91
- 235000017166 Bambusa arundinacea Nutrition 0.000 title claims abstract description 55
- 235000017491 Bambusa tulda Nutrition 0.000 title claims abstract description 55
- 241001330002 Bambuseae Species 0.000 title claims abstract description 55
- 235000015334 Phyllostachys viridis Nutrition 0.000 title claims abstract description 55
- 239000011425 bamboo Substances 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 35
- 239000000853 adhesive Substances 0.000 title abstract 6
- 230000001070 adhesive effect Effects 0.000 title abstract 6
- 238000005238 degreasing Methods 0.000 claims abstract description 14
- 230000008569 process Effects 0.000 claims abstract description 12
- 239000003822 epoxy resin Substances 0.000 claims abstract description 11
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 11
- 238000003754 machining Methods 0.000 claims abstract description 8
- 238000007514 turning Methods 0.000 claims abstract description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 21
- 239000002253 acid Substances 0.000 claims description 19
- 238000005554 pickling Methods 0.000 claims description 13
- 210000000981 epithelium Anatomy 0.000 claims description 12
- 238000009835 boiling Methods 0.000 claims description 10
- 239000003292 glue Substances 0.000 claims description 9
- 238000005516 engineering process Methods 0.000 claims description 8
- 229910019142 PO4 Inorganic materials 0.000 claims description 7
- 235000006408 oxalic acid Nutrition 0.000 claims description 7
- 239000010452 phosphate Substances 0.000 claims description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 7
- 241001480508 Entomophthora Species 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 6
- 239000000344 soap Substances 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 241000238631 Hexapoda Species 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 239000000314 lubricant Substances 0.000 claims description 3
- 238000003801 milling Methods 0.000 claims description 3
- 238000007127 saponification reaction Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000003750 conditioning effect Effects 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 8
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 abstract description 4
- 239000002131 composite material Substances 0.000 abstract description 4
- 238000007781 pre-processing Methods 0.000 abstract 2
- 229920000049 Carbon (fiber) Polymers 0.000 abstract 1
- 239000004917 carbon fiber Substances 0.000 abstract 1
- 238000005553 drilling Methods 0.000 abstract 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract 1
- 238000005498 polishing Methods 0.000 abstract 1
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 14
- 238000003466 welding Methods 0.000 description 9
- 229910052786 argon Inorganic materials 0.000 description 7
- 239000007788 liquid Substances 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 230000003203 everyday effect Effects 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
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- 241000018646 Pinus brutia Species 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
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- 239000000428 dust Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 150000002843 nonmetals Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 150000004965 peroxy acids Chemical class 0.000 description 1
- 235000021110 pickles Nutrition 0.000 description 1
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- Chemical Treatment Of Metals (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention discloses an adhesive connection method of original bamboo and a bicycle metal joint. The adhesive connection method includes that the pre-processing process and the machining process are performed on the original bamboo, the pre-processing process includes that digesting, degreasing, desugaring and mould-proof and moth-proof processing are sequentially performed on the original bamboo to enhance the toughness and strength of the original bamboo, and the machining process comprises drilling, sawing, turning and surface polishing; phosphating and the lining chamfering process are performed on the metal joint; the original bamboo is snapped into a mounting hole of the metal joint, epoxy resin adhesive is added to the position of the metal joint and short carbon fiber wires are added to the epoxy resin adhesive. According to the adhesive connection method of the original bamboo and the bicycle metal joint, connection between natural bamboo materials and metal and between the natural bamboo materials and composite materials is achieved and the stable connection between the metal and the composite materials and between ferrous metal and non-ferrous metal is achieved.
Description
Technical field
The invention belongs to bicycle trade manufacturing technology field, relate in particular to bicycle, the front fork part, the preparation method of forward and backward shelf part.
Background technology
Bicycle trade, in manufacturing cycle frame, front fork and shelf process, is used in a large number argon tungsten-arc welding between each metal parts, welding, thereby reaches the purpose of connection at present.But argon arc welding can produce following harm to human body because of its characteristic in the course of processing: radiological hazard and generation pernicious gas.
From the processing effect of argon tungsten-arc welding, there is following problem:
1, can not carry out being connected between two kinds of different metal materials or metal and non-metallic material.
2, in the course of processing, energy resource consumption is large, produces a large amount of smoke pollution environment.Simultaneously the technical ability of operating personal is had relatively high expectations, tooling cost is high.
3, argon arc welding is because of the large characteristic in heat-affected zone in the course of processing, and workpiece usually can cause the shortcomings such as distortion, lower hardness after welding
Summary of the invention
The technical problem to be solved in the present invention is to provide the gummed method of attachment of former bamboo and bike metal joint, by the gummed mode, has realized between natural bamboo material and metal, being connected between composite material.Between metal and composite material, the stable connection between ferrous meatal and non-metals.
For achieving the above object, technical scheme of the present invention is as follows:
The gummed method of attachment of former bamboo and bike metal joint comprises the following steps:
1) at first to former bamboo through pre-treating technology, process for machining;
Former bamboo is through pre-treating technology: former bamboo is successively through boiling, and degreasing, desugar and mildew-resistant, insect-prevention treatment, strengthen former bamboo toughness and intensity,
Former bamboo process for machining: boring, sawed-off, turning, surface finish;
2) secondly, metal joint is processed through phosphatization, and carries out the inwall chamfer angle technique;
3) finally former bamboo engaging is entered in the metal joint mounting hole, and add epoxide-resin glue in joint.
In a preferred embodiment of the invention, in described epoxide-resin glue, add the fine short silk of carbon.
In a preferred embodiment of the invention, described metal joint is processed as angle, and the inwall of metal joint arranges a chamfering, and described chamfering is convenient to former bamboo and is fitted in the metal joint mounting hole.
In a preferred embodiment of the invention, inwall chamfer angle technique: remove burr 360 ° of metal joint termination inwalls with milling tools.
In a preferred embodiment of the invention, described boiling: with the former bamboo 2-2.5 hour of buck boiling, buck is 1:10 with the water quality ratio;
Degreasing, desugar: 2-3 hour is toasted in degreasing first at 30 ℃～40 ℃ temperature, and insulation is to consistent with outdoor temperature: secondary degreasing toasts 1-2 hour at 40 ℃～50 ℃ temperature;
Mildew-resistant, insect protected: soaked entomophthora spirit duration 15 minutes, the entomophthora spirit is 1:10 with the water quality ratio.
In a preferred embodiment of the invention, described phosphatization processing intent is to form one deck phosphate film on the surface of metal joint, comprises the following steps:
1), pickling: metal joint is immersed respectively to three hydrochloric acid troughs of normal temperature, variable concentrations, remove the fire coat on metal joint surface;
2), clear water rinses: clear water rinses and removes the hcl corrosion product on metal joint surface;
3), oxalic acid is washed: metal joint is put into Phosphating Slot immediately after oxalic acid is washed; Increase the activity of metal, so that the epithelium that subsequent processing generates is more fine and close;
4), epithelium is processed: metal joint is immersed to phosphate, and metal surface contacts with conditioning fluid, at the insoluble compound of Surface Creation, is attached to metal surface and forms epithelium;
5), clear water: remove the epithelium surface residues;
6), lubricant: step 5) is cleaned to complete metal joint, put into the saponification pond, reaction forms hard metallic soap layer, can increase its lubricity.
In a preferred embodiment of the invention, in three hydrochloric acid troughs, the hydrochloric acid of configuration variable concentrations, be respectively 5%<low concentration≤10%, 10%<intermediate concentration≤20%, 20%<high concentration≤25%, metal joint are that low concentration arrives intermediate concentration and arrives the high concentration acid solution again through the hydrochloric acid trough order.
By technique scheme, the invention has the beneficial effects as follows:
The point of connection intensity of processing by the present invention is high, and the intensity at point of connection place is higher than connecting material one side's of institute intensity itself;
Processing is simple, and ageing height is applicable to producing in enormous quantities; Operating skill to engineering worker requires low; Course of processing safety, environmental protection, environmentally safe; The processing price is low, is about 40% of argon arc welding tooling cost.
The accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of chamfering of the present invention.
Wherein 1: metal joint, 2: epoxide-resin glue, 3; Former bamboo.
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
Shown in seeing figures.1.and.2, comprise metal joint 1, former bamboo 3, enter former bamboo 3 engagings in metal joint 1 mounting hole, and in joint, add epoxide-resin glue 2,
Metal joint is processed as angle, alleviates cutting force in the vibrations process, and the inwall of metal joint arranges one 45 degree chamferings 4, and chamfering is convenient to former bamboo and is fitted in the metal joint mounting hole.
In epoxide-resin glue, add the fine short silk of carbon, strengthen degree of adhesion, reduce the epoxide-resin glue flowing power.
The gummed method of attachment of former bamboo and bike metal joint comprises the following steps:
1) at first to former bamboo through pre-treating technology, process for machining;
Former bamboo is through pre-treating technology: former bamboo is successively through boiling, and degreasing, desugar and mildew-resistant, insect-prevention treatment, strengthen former bamboo toughness and intensity,
Former bamboo process for machining: boring, sawed-off, turning, surface finish;
2) secondly, metal joint is processed through phosphatization, strengthens and former bamboo degree of adhesion; And carry out the inwall chamfer angle technique, vehicle frame is the cutting of metal joint to former bamboo wood material when exerted pressure by external force,
3) finally former bamboo engaging is entered in the metal joint mounting hole, and add epoxide-resin glue in joint.
Inwall chamfer angle technique: remove burr 360 ° of metal joint termination inwalls with milling tools.
Metal joint is successively through blanking, argon arc welding or forging, phosphatization and paint baking.
Phosphatization is processed:
1, purpose: remove the fire coat on metal joint surface, and form one deck phosphate film in metal surface, take out in line and the courses of processing such as cold pier or shaping, to the scratch of tool and mould to reduce metal joint.
2, work flow:
1), pickling: by whole metal joint immerse respectively normal temperature, concentration is three hydrochloric acid trough numbers minute of 5-25%, its objective is the fire coat of removing the metal joint surface, hydrochloric acid 5%<low concentration≤10% normal temperature 5-15 minute wherein, 10%<middle concentration≤20% normal temperature 5-10 minute, 20%<high concentration≤25% normal temperature 3-5 minute.
2), clear water: the hcl corrosion product of removing the metal joint surface.
3), oxalic acid: increase the activity of metal, so that the epithelium that subsequent processing generates is more fine and close.
4), epithelium is processed: metal joint is immersed to phosphate, and steel surface contacts with chemical synthesis treatment liquid, and iron and steel dissolves and generates insoluble compound, is attached to steel surface and forms epithelium.
5), clear water: remove the epithelium surface residues.
6), lubricant: because the friction coefficient of phosphate coating is not very low, can not gives and add sufficient lubricity in man-hour, form hard metallic soap layer but react with metallic soap (as soda soap), can increase its lubricity.
Pickling
1) the concentration of hydrochloric acid solution general control is 5%～25%.Before starting working every day, to check pickle concentration, and check every groove acid solution position, when the acid tank liquid level is inadequate, need adds acid or add water according to acid tank concentration, add to required liquid level; When ferrous particle concentration is higher, generally no longer add eo-acid.When acid strength is less than 5%, when iron protochloride content is greater than 150 grams per liter, need to change eo-acid.
2) hydrochloric acid of configuration variable concentrations in three hydrochloric acid troughs, be respectively 5%<low concentration≤10%, 10%<intermediate concentration≤20%, 20%<high concentration≤25%, metal joint sequentially arrives the high concentration acid solution for low concentration arrives intermediate concentration again through the peracid pond, to the only pickling in low concentration and intermediate concentration acid solution of rear medium carbon alloy steel of annealing.
The thicknesses of pickling time and temperature, acid strength, scale thickness form and biscuit etc. are relevant, and concrete pickling time is determined according to actual conditions.
3) for metal joint soak time synchronous in sour pond, the biscuit that annealed wire and non-annealed wire, oxidation skin depth and oxide skin are thin is forbidden to be arranged on same suspension hook to be produced;
4) treat can not be stained with greasy dirt on the material of pickling, especially will prevent the oil dripping contaminated materials of driving a vehicle, if find greasy dirt, should first with alkali, clean.
5) want the pickling of pine bundle during pickling, do not prick waist.In operation, to conscientiously check, diligent stirring.
6) for the metal joint that the abnormal metal joint surface scale of annealing is difficult to remove or surperficial dirt is difficult to remove, should in weak acid, soak after 10～20 minutes and wash, washing is placed on that acid-washing region is overseas later got rusty 1～2 day after, pickling again;
7) in the pickling operation, driving damages if meet or other special statuss such as power failure and can not continue to operate the time, note being immersed in the quality of metal joint in acid, and process to supervisor's reflection.
Rinse
1) metal joint should stop a moment when pickling tank, slinging above acid tank, in case too much acid solution is brought in rinsing bowl;
2) water in rinsing bowl keeps the running water overflow;
When 3) water rinses on metal joint dirt, connect suspension rod and rinse well together, until the water dripped down on suspension rod is without yellow rust water;
Oxalic acid is washed
1) to first carry out liquor analysis before starting working every day, when free acid exceeds standard or sediment when too much, change;
2) metal joint will be put into Phosphating Slot immediately after oxalic acid is washed, and aloft length of the halt is oversize, and because metal joint is very strong through the pickled surface activity, easily unboiled water becomes rusty.
Phosphatization:
1) before work, to first carry out liquor analysis every day,
2) the complete covering metal joint of the liquid level of Phosphating Slot;
3) forbidden to carry out stirring during the large line of phosphatization, need be carried out stirring during the little line of phosphatization;
Washing:
When 1) metal joint is sling from phosphating pond, should above Phosphating Slot, stop a moment, in case too much phosphatization liquid medicine is brought in tank, destroy tank water quality;
2) after phosphatization metal joint in when washing, driving should move up and down several under, the acid that metal joint includes is thoroughly clean, in case too much acid solution is brought in the saponification pond, saponifier is degenerated too early;
3) often detect the overflow situation of tank water, prevent the water quality acidification, get the water sample of 100ml, by full acidity assaying method, full acidity 2pt is following could be used.
Lubricated: lubricated complete metal joint should be with hand touch smooth surface and dry without white dust, be the best.
Former bamboo is successively through boiling, and degreasing, desugar and mildew-resistant, insect-prevention treatment, strengthen former bamboo toughness and intensity.
Boiling: with the former bamboo 2-2.5 hour of buck boiling, buck is 1:10 with the water quality ratio;
Degreasing, desugar: 2-3 hour is toasted in degreasing first at 30 ℃～40 ℃ temperature, and insulation is to consistent with outdoor temperature: secondary degreasing toasts 1-2 hour at 40 ℃～50 ℃ temperature;
Mildew-resistant, insect protected: soaked entomophthora spirit duration 15 minutes, the entomophthora spirit is 1:10 with the water quality ratio.
Former bamboo is chosen the natural bamboo in 3 to 5 years bamboo ages.
The point of connection intensity of processing by the present invention is high, and the intensity at point of connection place is higher than connecting material one side's of institute intensity itself;
Processing is simple, and ageing height is applicable to producing in enormous quantities; Operating skill to engineering worker requires low; Course of processing safety, environmental protection, environmentally safe; The processing price is low, is about 40% of argon arc welding tooling cost.
Above demonstration and described groundwork of the present invention and principal character and advantage of the present invention.The technical personnel of the industry should be understood; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification sheets, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (7)
1. the gummed method of attachment of former bamboo and bike metal joint, is characterized in that, comprises the following steps:
1) at first to former bamboo through pre-treating technology, process for machining;
Former bamboo is through pre-treating technology: former bamboo is successively through boiling, and degreasing, desugar and mildew-resistant, insect-prevention treatment, strengthen former bamboo toughness and intensity,
Former bamboo process for machining: boring, sawed-off, turning, surface finish;
2) secondly, metal joint is processed through phosphatization, and carries out the inwall chamfer angle technique;
3) finally former bamboo engaging is entered in the metal joint mounting hole, and add epoxide-resin glue in joint.
2. the gummed method of attachment of former bamboo according to claim 1 and bike metal joint is characterized in that: in described epoxide-resin glue, add the fine short silk of carbon.
3. the gummed method of attachment of former bamboo according to claim 1 and bike metal joint, it is characterized in that: described metal joint is processed as angle, and the inwall of metal joint arranges a chamfering, and described chamfering is convenient to former bamboo and is fitted in the metal joint mounting hole.
4. the gummed method of attachment of former bamboo according to claim 1 and bike metal joint is characterized in that: the inwall chamfer angle technique: 360 ° of metal joint termination inwalls, remove burr with milling tools.
5. the gummed method of attachment of former bamboo according to claim 1 and bike metal joint is characterized in that: described boiling: with the former bamboo 2-2.5 hour of buck boiling, buck is 1:10 with the water quality ratio;
Degreasing, desugar: 2-3 hour is toasted in degreasing first at 30 ℃～40 ℃ temperature, and insulation is to consistent with outdoor temperature: secondary degreasing toasts 1-2 hour at 40 ℃～50 ℃ temperature;
Mildew-resistant, insect protected: soaked entomophthora spirit duration 15 minutes, the entomophthora spirit is 1:10 with the water quality ratio.
6. the gummed method of attachment of former bamboo according to claim 1 and bike metal joint is characterized in that: described phosphatization processing intent is to form one deck phosphate film on the surface of metal joint, comprises the following steps:
1), pickling: metal joint is immersed respectively to three hydrochloric acid troughs of normal temperature, variable concentrations, remove the fire coat on metal joint surface;
2), clear water rinses: clear water rinses and removes the hcl corrosion product on metal joint surface;
3), oxalic acid is washed: metal joint is put into Phosphating Slot immediately after oxalic acid is washed; Increase the activity of metal, so that the epithelium that subsequent processing generates is more fine and close;
4), epithelium is processed: metal joint is immersed to phosphate, and metal surface contacts with conditioning fluid, at the insoluble compound of Surface Creation, is attached to metal surface and forms epithelium;
5), clear water: remove the epithelium surface residues;
6), lubricant: step 5) is cleaned to complete metal joint, put into the saponification pond, reaction forms hard metallic soap layer, can increase its lubricity.
7. the gummed method of attachment of former bamboo according to claim 6 and bike metal joint, it is characterized in that: the hydrochloric acid of configuration variable concentrations in three hydrochloric acid troughs, be respectively 5%<low concentration≤10%, 10%<intermediate concentration≤20%, 20%<high concentration≤25%, metal joint are that low concentration arrives intermediate concentration and arrives the high concentration acid solution again through the hydrochloric acid trough order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310351530.6A CN103407540B (en) | 2013-08-13 | 2013-08-13 | Former bamboo and the glued method of attachment of bicycle metal joint |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310351530.6A CN103407540B (en) | 2013-08-13 | 2013-08-13 | Former bamboo and the glued method of attachment of bicycle metal joint |
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| CN103407540A true CN103407540A (en) | 2013-11-27 |
| CN103407540B CN103407540B (en) | 2016-11-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108082377A (en) * | 2016-11-22 | 2018-05-29 | 苏州可汗极米科技有限公司 | A kind of connection structure of bamboo bicycle rack |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108082377A (en) * | 2016-11-22 | 2018-05-29 | 苏州可汗极米科技有限公司 | A kind of connection structure of bamboo bicycle rack |
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