WO2007138641A1 - 金属と樹脂の複合体とその製造方法 - Google Patents
金属と樹脂の複合体とその製造方法 Download PDFInfo
- Publication number
- WO2007138641A1 WO2007138641A1 PCT/JP2006/310419 JP2006310419W WO2007138641A1 WO 2007138641 A1 WO2007138641 A1 WO 2007138641A1 JP 2006310419 W JP2006310419 W JP 2006310419W WO 2007138641 A1 WO2007138641 A1 WO 2007138641A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- metal
- molded body
- resin
- composite
- injection
- Prior art date
Links
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 105
- 239000002184 metal Substances 0.000 title claims abstract description 99
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- 229920005989 resin Polymers 0.000 title claims description 104
- 239000011347 resin Substances 0.000 title claims description 104
- 238000000034 method Methods 0.000 title description 37
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 68
- 238000001746 injection moulding Methods 0.000 claims abstract description 15
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- 239000002905 metal composite material Substances 0.000 claims abstract description 6
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- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 13
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims description 13
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims description 13
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- 239000004519 grease Substances 0.000 description 21
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
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- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
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- B29C45/14311—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles using means for bonding the coating to the articles
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- Y10T428/24347—From both sides
Definitions
- the present invention integrates a metal shaped article used for a casing of an electronic device, a casing of a household electrical appliance, a structural component, a mechanical component, and the like with a thermoplastic resin shaped product having a standing molded body.
- the present invention relates to a composite of bonded metal and resin and a method for producing the same. More specifically, a thermoplastic resin-shaped product having an upright molded body is joined to a metal shaped product made by various machinings firmly and integrally by injection molding, and the vertical accuracy of the standing molded body with respect to the metal shaped product
- the present invention relates to a composite of a metal and a resin and a method for producing the same.
- the conventional force has been studied for a more rational joining method that does not use an adhesive while using force.
- the present inventors have developed a method for integrating high-strength engineering resin without using an adhesive to iron-based metals such as magnesium, aluminum and its alloys such as light metals and stainless steel.
- injection joining a method for integrating high-strength engineering resin without using an adhesive to iron-based metals such as magnesium, aluminum and its alloys such as light metals and stainless steel.
- injection joining method a method injection joining method in which a metal shaped article is inserted into a mold, and a thermoplastic resin is injected into the mold to join them together.
- This “injection joining” method has been developed by many years of research by the present inventors, and its contents have been disclosed (for example, see Patent Document 1).
- boss with a hole for screwing on a plate-like base
- boss is injection-molded while an aluminum alloy shape is inserted into the mold and used as the base
- the boss will always have an injection gate mark.
- the problem of tilting in the direction occurred. If this screw boss is not set up vertically, it may cause problems when assembled. A similar problem occurred in rib injection joining.
- FIG. 1 More specifically, with respect to the problems that occur when injection joining is performed in the prior art, FIG.
- the explanation is based on 17 and 18.
- FIG. 17 is a perspective view of a composite 100 in which a thermoplastic resin shaped body having a boss portion, a pedestal, and the like is injection-bonded to an aluminum alloy piece (metal shaped object) 20 according to the prior art, and FIG. , Complex
- 100 is a front view of 100, and is an explanatory view schematically showing that an error has occurred in the vertical accuracy of the boss 101.
- FIG. 100 is a front view of 100, and is an explanatory view schematically showing that an error has occurred in the vertical accuracy of the boss 101.
- a lmm-thick A5052 aluminum alloy plate was purchased and cut into multiple 40mm x 60mm rectangular pieces.
- a stainless steel wire is assembled and dipped in a molten salt resin resin to create a dipping jig that is completely covered with salt vinyl resin, so that a large number of aluminum alloy pieces can be accommodated in this jig. I made it.
- a commercially available aqueous solution containing 15% aluminum degreasing agent is stored in a degreasing bath at 70 ° C, and the immersion jig containing the aluminum alloy pieces is immersed in this for 5 minutes, and then in a washing bath. Washed. Subsequently, it was immersed in a preliminary pickling tank containing 1% aqueous hydrochloric acid at 40 ° C. for 1 minute, and then immersed in another washing tank and washed. [0011] Subsequently, it was immersed in an alkaline etching tank containing 1% aqueous caustic soda solution at 40 ° C. for 1 minute, and then immersed in another washing tank and washed with water.
- a mold was produced as a composite 100 as shown in Fig. 17 formed by injection joining. 14 Insert aluminum alloy piece 20 that has been subjected to the above pretreatments such as dipping treatment and cleaning treatment into a mold heated to 0 ° C, and add PPS resin (polyphenylene sulfide resin) S GX120 (manufactured by Tosohichi Co., Ltd.) was injection joined by injection from injection gate 105 at an injection temperature of 310 ° C. About 20 composites 100 were injection molded. The PPS resin was introduced and filled into the boss portion (stand-up molded body) 101 through the runner 103 and the pedestal 102. The hole 104 is a hole formed in the boss portion 101. The integrated composite 100 was placed in a hot air drier at 170 ° C for 1 hour and cooled slowly to eliminate internal distortion.
- PPS resin polyphenylene sulfide resin
- S GX120 manufactured by Tosohichi Co., Ltd.
- thermoplastic resin-shaped product having a erected molded body such as a boss and a rib is integrated with a metal-shaped material by injection joining without reducing the flow rate of the thermoplastic resin.
- this method there is no technique for allowing the vertical accuracy of the standing molded body to fall within a desired accuracy range with respect to the metal shape, and it has been desired to develop it immediately.
- Patent Document 1 Japanese Patent Laid-Open No. 2003-251654
- Patent Document 2 JP 2000-160392 A
- Patent Document 4 Japanese Patent Application Laid-Open No. 07-156195
- the present inventors have made intensive efforts for many years in order to develop and disseminate a technology for integrating a metal shape and a thermoplastic resin shape by the above-described "injection joining” method. .
- the present invention has been made to solve the problems in the “injection joining” method as described above, and achieves the following object.
- An object of the present invention is to provide a metal-resin composite in which a metal shape and a thermoplastic resin-shaped material having an upright molded body are integrated by injection bonding. It is an object of the present invention to provide a metal / wax-resin composite with improved vertical accuracy of the molded body and a method for producing the same.
- the present invention takes the following means to achieve the above object.
- the composite of the metal and rosin of the present invention 1 is
- a metal / resin composite comprising a pre-treated metal shape and a thermoplastic resin shape integrally joined to one surface of the metal shape by injection molding,
- the natural grease-shaped product is provided with a pedestal and an upright molded body erected with this pedestal force.
- thermoplastic resin ejected from the injection gate flows into the opposite part of the standing molded body so that the inflow amount per unit time is substantially equal, It is characterized by being filled.
- the composite of a metal and a resin of the present invention 2 is the present invention 1,
- the runner is bifurcated in the middle by a branching portion, and the gate and the standing molded body are in a plan view with respect to a first straight line passing through the center of the standing molded body.
- the center of the upright molded body orthogonal to the first straight line by using the direction of the resin flow of the thermoplastic resin flowing out of the gate force.
- the thermoplastic resin is introduced and filled into the opposed parts of the upright molded body so that the inflow per unit time is substantially uniform.
- the runner is bifurcated in the middle, and the gate and the standing molded body are a first straight line passing through the center of the standing molded body and a second perpendicular to the first straight line in plan view. Are formed in a symmetric shape with respect to the straight line, and the thermoplastic resin is united at a portion facing the upright molded body with respect to the first straight line and the second straight line. It is characterized in that it is filled so that the inflow per hour is almost equal.
- the metal-coffin composite of the present invention 4 is the invention 3
- the runner is characterized in that it is formed in a symmetrical shape with respect to the first straight line.
- the injection gate and the runner are each formed as a pair
- thermoplastic resin injected from the pair of injection gates is filled so as to have a substantially uniform flow rate per unit time.
- the gate and the standing molded body are formed in a symmetrical shape with respect to a first straight line passing through the center of the standing molded body in plan view, and the communication between the base and the gate is made.
- a notch portion is formed in the vicinity of the portion, and the notch portion passes through the center of the upright molded body orthogonal to the first straight line by using the flow of the thermoplastic resin.
- the thermoplastic resin is introduced into the opposed parts of the upright molded body so that the inflow per unit time is substantially uniform and filled.
- a metal / resin composite comprising a pre-treated metal shape and a thermoplastic resin shape integrally joined to one surface of the metal shape by injection molding
- the natural grease-shaped product has a pedestal and a erected molded body with the pedestal force erected, and is in contact with the pedestal so as to be in contact with the base line of the base.
- a runner through which molten thermoplastic resin injected and melted from the injection gate flows into the standing molded body, and the thermoplastic resin flows into the standing molded body while rotating. And, it is characterized in that it is filled.
- the metal-coffin composite of the present invention 8 is
- the standing molded body is a boss.
- the metal-coffin composite of the present invention 9 is
- the standing molded body is a rib.
- a method for producing a composite of a metal and a resin of the present invention 10 includes:
- Forming a cavity for integrally joining the object to the metal object injecting the thermoplastic resin into the cavity from an injection gate of the mold for injection molding, and applying the thermoplastic resin to the cavity.
- the inflow amount per hour is made to flow almost uniformly into the opposite part of the upright molded body with respect to a straight line passing through the center of the upright molded body, or the thermoplastic resin is rotated.
- the thermoplastic resin is integrally joined to one surface of the metal shaped article by injection molding.
- a metal shaped product (aluminum alloy) is subjected to a liquid treatment, and inserted into an injection mold to be inserted into a PBT (polybutylene terephthalate) -based resin or PPS (polyolefin). Rensulphide) based resin is injected and joined together.
- PBT polybutylene terephthalate
- PPS polyolefin
- an aluminum alloy is suitable, and the aluminum alloy can be any of A1000 to A7000 series according to IS standard, or various types of alloys graded for fabrication according to JIS standard.
- Metal shapes can be cut, cut, bent, drawn, ground, polished, sawed, milled, EDM, drilled, pressed, etc. The shape required for inserts in injection molding Processed into a structure.
- the metal shape processed into the required shape and structure requires that the surface to be bonded be thick and not oxidized or hydroxylated, and the presence of wrinkles on the surface is obvious when left for long periods of time. It is necessary to remove everything by polishing.
- a commercially available aluminum degreasing agent is dissolved in water and immersed in a degreasing solution adjusted to 50 to 70 ° C. for several minutes and washed. Next, it is immersed in an aqueous solution of dilute acid or base with a concentration of several percent, washed with water, and the aluminum alloy surface is dissolved and chemically etched to form a new clean metal surface.
- the aluminum alloy shaped product is immersed in an aqueous solution of ammonia, hydrazine, or a water-soluble amine compound.
- ultra-fine etching is performed to cover the surface of the aluminum alloy shaped product obtained up to the previous process with countless ultra-fine recesses with a diameter of 20 to 50 nm, and these amine compounds are adsorbed on the aluminum alloy surface.
- the purpose is to make it.
- Aluminum alloy shape after this immersion Wash thoroughly with water and place in a hot air dryer to dry. Wrap the parts involved in joining in aluminum foil so that they are not touched by hand.
- thermoplastic resin used in the injection joining of the present invention PBT type resin and PPS type resin are preferable, but other thermoplastic resins may be used.
- a common point of thermoplastic resin is that it is necessary to match the linear expansion coefficient of thermoplastic resin with that of metal.
- the PBT-based resin composition includes a polymer component of PBT alone, a polymer compound of PBT and polycarbonate (PC), a polymer compound of PBT and ABS (atari mouth-tolyl 'butadiene' styrene) resin, and PBT.
- PET polyethylene terephthalate
- PS polystyrene
- the composition contains 20 to 40% of the filler.
- the inclusion of the filler is very important from the viewpoint of matching the linear expansion coefficient between the aluminum alloy shaped product and the thermoplastic resin composition.
- fillers in addition to glass fiber, carbon fiber, aramide fiber, and other high-strength fibers similar to these, calcium carbonate, magnesium carbonate, silica, talc, clay, pulverized carbon fiber aramide fiber, and other similar fillers Inorganic fillers are also included. Even when the filler is not included, a strong force is required to remove the PBT resin composition and the PPS resin composition that are firmly bonded and bonded to the aluminum alloy shape. However, when the combined composite is subjected to a temperature cycle test, the adhesive strength rapidly decreases with repeated cycles.
- thermoplastic resin composition has a linear expansion coefficient several times larger than that of a metal shaped product and cannot be ignored.
- the linear expansion coefficient of aluminum alloy is the maximum among all metal species, and the numerical value is 2.4 to 2.5 X 10V ° C.
- thermoplastic ⁇ , linear expansion coefficient of PBT ⁇ free of example filler is 7 ⁇ 8 X 10- 5 / ° C , there is also about three times the linear expansion of the aluminum alloy.
- Many other thermoplastic resins also have a linear expansion coefficient in the range of 5 to 9 X 10-5 / ° C.
- the linear expansion coefficient can be close to that of aluminum alloy.
- the thermoplastic resin composition has molding shrinkage.
- the molding shrinkage ratio of the thermoplastic resin composition containing no filler is as small as 0.6%, but it can be reduced to about 0.6% by adding 20 to 40% filler. It can be reduced to 3 to 0.5%.
- its cooling shrinkage for example, about 0.2% shrinkage is about 100 ° C from injection to room temperature. There is a difference smaller than the shrinkage rate.
- thermoplastic resin settles after a long time after releasing from the mold, it is possible that internal distortion will occur at the interface and the interface will be broken by a slight impact.
- a strong case of injection bonding strength for example, an integrated product injection-molded according to the method of Patent Document 1, should be left at high temperature (about 150 ° C for PBT resin) for about 1 hour within a few days. The remaining internal distortion can be eliminated. Therefore, an important matter with respect to the thermoplastic resin composition of the present invention is to reduce the linear expansion coefficient of the thermoplastic resin to the level of metal by containing a filler.
- the insert injection molding method of the present invention will be described. Prepare an injection mold, open the mold, insert a pre-processed metal shape into it, close the mold, inject the thermoplastic resin, open the mold and release.
- the injection conditions are preferably matched to the characteristics of the thermoplastic resin used. Care should be taken during injection molding to raise the mold temperature. Under molding conditions in which the shape of the thermoplastic resin can barely be formed, the outer periphery of the thermoplastic resin cannot have the vitality to join.
- the boss 101 (see Fig. 17) of the composite 100 integrated by injection bonding with the conventional technology is tilted in the direction where the injection gate mark is! Hurry up, cause! Then, various analyzes such as flow analysis by a computer were repeated and various studies were conducted.
- various analyzes such as flow analysis by a computer were repeated and various studies were conducted.
- the maximum temperature position when the resin is completely filled is in the direction where the injection gate mark is located from the center axis of the boss. It was always off. Therefore, even after cooling after filling and cooling after mold release, it was thought that the density of the resin would be the lowest at the highest temperature position and would shrink mainly here.
- thermoplastic resin-shaped product having the standing molded body is injection-bonded and integrated on one surface of the metal-shaped material. This is easy to do.
- integral joining is performed by injection joining without reducing the momentum of thermoplastic resin flow, a strong joining force can be obtained, and a thermoplastic resin shaped product can be set up against a metal shaped product.
- the vertical accuracy of the molded body can be increased. For example, it is not possible for the standing molded body to be inclined toward the injection gate trace side as occurred in the prior art.
- a predetermined metal shape is made of a metal such as an aluminum plate, and this is inserted into an injection mold, and a thermoplastic resin shape having an upright molded body is used for vertical accuracy of the upright molded body with respect to the metal shape.
- One or more standing molded bodies can be integrated by injection joining without worrying about the above.
- the metal and resin composite produced by the production method of the present invention makes it possible to easily produce various electronic devices and parts with high productivity.
- electronic devices and parts made of this composite are lightweight and highly accurate, and are effective in simplifying the manufacturing process of electronic devices and improving efficiency.
- FIG. 1 is a perspective view of a composite 40 in which a thermoplastic resin-shaped material is integrated with a metal-shaped material by injection bonding.
- FIG. 2 is a plan view of the composite 40.
- FIG. 2 is a plan view of the composite 40.
- FIG. 3 (A), (B), and (C) are explanatory views schematically showing a mold and a process for forming the composite 40.
- FIG. 4 is a perspective view of a composite 50 in which a thermoplastic resin-like product is integrated with a metal-like product by injection joining.
- FIG. 5 is a plan view of the composite 50.
- FIGS. 6 (A), (B), and (C) schematically show a mold and a process for forming the composite 50. It is explanatory drawing shown.
- FIG. 7 is a perspective view of a composite 30 in which a thermoplastic resin shaped product is integrated with a metal shaped product by injection joining.
- FIG. 8 is a plan view of the composite 30.
- FIG. 9 is a perspective view of a composite 60 in which a thermoplastic resin-shaped material is integrated with a metal-shaped material by injection bonding.
- FIG. 10 is a plan view of the composite 60.
- FIG. 10 is a plan view of the composite 60.
- FIG. 11 is a perspective view of a composite 70 in which a thermoplastic resin shaped product is integrated with a metal shaped product by injection joining.
- FIG. 12 is a plan view of the composite 70.
- FIG. 12 is a plan view of the composite 70.
- FIG. 13 is a perspective view of a composite 80 in which a thermoplastic resin-shaped product is integrated with a metal-shaped product by injection joining.
- FIG. 14 is a plan view of the composite 80.
- FIG. 15 is a perspective view of a composite 90 in which a thermoplastic resin shaped product is integrated with a metal shaped product by injection joining.
- FIG. 16 is a plan view of the composite 90.
- FIG. 17 is a perspective view of a composite body 100 in which a thermoplastic resin shaped product is integrated with a metal shaped product by injection joining.
- FIG. 18 is a front view of the composite 100, and is an explanatory view schematically showing that an error has occurred in the vertical accuracy of the boss portion.
- Fig. 1 is a perspective view of a composite 40 in which a thermoplastic resin molded product having a standing molded body (boss part) is formed on a metal shaped product by injection joining
- Fig. 2 is a plan view of the composite 40.
- 3 (A), (B), (C) are explanatory diagrams schematically showing a mold and a process for forming a composite 40 in which a thermoplastic resin is integrated with a metal shaped article by injection joining. It is.
- Fig. 3 (A) is an explanatory view showing a state where the mold is opened
- Fig. 3 (B) is an explanatory view showing a state where the mold is closed
- Fig. 3 (C) is a view showing the mold. It is explanatory drawing which shows the state which inject
- a commercially available lmm-thick A5052 aluminum alloy plate was purchased and cut into a plurality of 40 mm X 60 mm rectangular pieces.
- the aluminum alloy pieces (hereinafter referred to as aluminum pieces) were subjected to the following liquid treatment as a pretreatment.
- the sample was immersed in an alkaline etching tank containing 1% aqueous caustic soda solution at 40 ° C for 1 minute, and then immersed in another washing tank and washed with water.
- a neutralization tank containing 1% aqueous hydrochloric acid at 40 ° C for 1 minute, and then immersed in another washing tank for cleaning.
- a monohydric hydrazine aqueous solution containing 4% concentration was placed in this treatment tank at 60 ° C. for 1 minute, and then immersed in another washing tank and washed.
- the immersion jig was placed in a warm air dryer for 15 minutes at 40 ° C and 5 minutes at 60 ° C for drying.
- the aluminum piece was taken out and wrapped in aluminum foil and stored.
- a thermoplastic resin-shaped product (hereinafter referred to as a resin-shaped product) having an upright molded body (boss portion) as shown in FIG.
- the mold 10 shown in Fig. 3 (A), (B), and (C) was manufactured.
- the mold 10 includes one mold 11 and the other mold 15. Between one mold 11 and the other mold 15, a cavity 25 for injecting the resin is formed.
- an aluminum piece 20 can be inserted. That is, with one mold 11 and the other mold 15 separated from each other, the aluminum piece 20 is inserted into a predetermined position (see FIG. 3A).
- One mold 11 and the other mold 15 are closed to form a cavity 25 (see FIG. 3 (B)).
- the mold 10 is preferably heated to 140 ° C.
- a PPS resin which is a thermoplastic resin, “trade name SGX120 (manufactured by Tosohichi Co., Ltd.)” (hereinafter referred to as “resin”) is injected from the injection gate 45 to the cavity 25 at an injection temperature of 310 ° C. To ejaculate. In this way, the metal piece having a boss 41 (stand-up formed body) 41 on the aluminum piece 20 and a resin-shaped composite material. The coalescence 40 was injection molded (see Fig. 3 (C)). In Example 1, about 20 composites 40 were injection molded.
- the hole 44 is a hole formed in the boss portion 41 and having an aluminum piece as a bottom.
- the runway 43 is bifurcated in two directions at a branch 46 and communicates with the base 42 at the gates 47 and 47.
- the angle C1 at which two straight lines connecting the gate 4 7 and the center of the boss 41 intersect is preferably about 80 to 180 degrees.
- the width wl of the runner 43 is preferably larger than the width w2 between the branch portion 46 and the outer periphery of the boss portion 41.
- this angle C1 is an angle of about 100 degrees.
- the diameter D of the pedestal 42 is 12 mm
- the width wl of the runner 43 is 2 mm
- the width w2 between the branch portion 46 and the outer peripheral surface of the boss portion 41 is lmm.
- the upper diameter d of the boss portion is 4 mm
- the inner diameter of the hole 44 is 2 mm
- the gradient C of the outer peripheral surface of the boss portion 41 has an inclination of about 2 degrees.
- the height h is 15mm
- the height t of the pedestal 42 is lmm.
- the resin easily flows into the upper side of FIG.
- the relationship between the width w2 and the width wl is as follows: wl> w 2
- the grease flows evenly or almost equally into the opposing parts such as the base 42 and the boss 41.
- the shape of the runner 43, branching part 46, etc. has been improved to prevent the occurrence of unevenness due to the fact that the resin near the injection gate starts to flow in.
- the oil flow is preferentially directed to the side far from the gate 45.
- a branch part, a runway, etc. are not limited to this shape and dimension. In other words, any shape that allows the resin to flow and fill evenly or almost evenly with respect to the straight line X—X and the straight line Y—Y is a matter of course!
- the resin injected from the injection gate 45 flows into the boss portion 41 through the two runners 43 and 43, the gates 47 and 47, and the pedestal 42 branched at the branch portion 46.
- the grease flows into and fills the opposing parts of the boss 41 from both sides equally or almost equally in the direction of the straight line X—X and the direction of the straight line Y—Y. Therefore, in the composite 40, the melted resin flows and fills evenly or substantially evenly into the opposing portions of the boss portion 41. Therefore, when the boss 41 is completely filled with the resin, the highest temperature position of the resin etc. comes to be located near the center of the boss 41. Thereafter, the integrated composite 40 was placed in a hot air dryer at 170 ° C. for 1 hour and gradually cooled to eliminate internal distortion.
- Fig. 4 is a perspective view of a composite 50 in which a resin-shaped product having a boss and the like is integrated with a metal-shaped product by injection joining
- Fig. 5 is a plan view of the composite 50
- Fig. 6 (A), ( B) and (C) are explanatory views schematically showing a mold and a process for forming a composite 50 in which a thermoplastic resin is integrated with a metal shaped article by injection joining.
- Fig. 6 (A) is an explanatory view showing a state where the mold is opened
- Fig. 6 (B) is an explanatory view showing a state where the mold is closed
- Fig. 6 (C) is a case where thermoplastic resin is injected into the mold. It is explanatory drawing which shows a state.
- Example 1 The same liquid treatment as in Example 1 was performed to produce an aluminum piece 20.
- the mold 10a is composed of one mold l la and the other mold 15a. Between one mold 11a and the other mold 15a, a cavity 25a into which the resin is injected is formed. This cavity 25a
- An aluminum piece 20 can be inserted at a predetermined position. That is, the aluminum piece 20 is inserted into a predetermined position with one mold 11a and the other mold 15a separated (see FIG. 6 (A)). One mold 11a and the other mold 15a are closed to form a cavity 25a (see FIG. 6B). At this time, the mold 10a is preferably heated to 140 ° C.
- the shape of the runner and the like reaching the injection gates 55a and 55b is made symmetrical so that the two injection gates 55a and 55b flow into the cavity 25a at the same timing.
- the boss 51, runners 53a, 53b, gates 57a, 57b, pedestal 52, etc. are symmetrical or nearly symmetrical with respect to the straight line connecting the injection gate 55a, the center of the boss 51 and the injection gate 55b. It has become.
- the boss 51, runners 53a and 53b, gates 57a and 57b, pedestal 52, etc. are symmetrical or nearly symmetrical with respect to a straight line perpendicular to the straight line connecting the injection gate 55a, the center of the boss 51 and the injection gate 55b. It has a shape.
- An aluminum piece 20 is inserted into a predetermined position in a mold 10a at 140 ° C, and the resin is injection-molded from injection gates 55a and 55b at an injection temperature of 310 ° C.
- a composite 50 which is a metal and resin shape having a boss 51 on the aluminum piece 20 was formed.
- the hole 54 is a hole formed in the boss 51 and having an aluminum piece as a bottom.
- the grease injected from the injection gates 55a and 55b flows into the boss portion 51 through the two runners 53a and 53b, the gates 57a and 57b, and the pedestal 52 which are in symmetrical positions. The amount of inflow per unit time that the fat flows into the boss 51 is balanced.
- the melted resin flows into and fills the opposite portions of the boss portion 51 so that the both-side forces are equal or almost equal. From this fact, when the boss 51 is completely filled with the resin, the maximum temperature position of the resin etc. is located near the center of the boss 51. Thereafter, the integrated composite 50 was placed in a hot air drier at 170 ° C. for 1 hour and gradually cooled to eliminate internal distortion.
- FIG. 7 is a perspective view of a composite 30 in which a resin-shaped product is injection-bonded to a metal-shaped product
- FIG. 8 is a plan view of the composite 30.
- Example 2 The same liquid treatment as in Example 1 was performed to produce an aluminum piece 20.
- a mold was produced as a composite 30 in which a resin-like product as shown in FIGS. 7 and 8 was integrated by injection joining.
- the mold is almost the same as in Example 1, and the description is omitted.
- the aluminum piece 20 was inserted into a mold set at 140 ° C. and injection joining was performed by injecting the resin from the injection gate at an injection temperature of 310 ° C. About 20 composites 30 were injection molded.
- the hole 34 is a hole formed in the boss 31 and having the aluminum piece 20 as a bottom.
- the runway 33 communicates with the pedestal 32 at the gates 37 and 37.
- notches 36 and 36 are formed and a gate 37 is provided.
- the width w6 of the runway 33 is 2mm.
- the width between the notch 36 and the outer peripheral surface of the boss 31 is preferably smaller than the width w6 of the runner 33.
- the resin injected from the injection gate 35 flows into the boss 31 through the runner 33, the gates 37 and 37, and the base 32.
- the resin flows from the side close to the injection gate 35 of the pedestal 32 (on the injection gate side) to the reflection output gate side of the pedestal 32 due to the flow of the resin, the notch 37, and the like.
- the shape is easy to flow in. In other words, the shape of the runner 33, the base 32, and the notch 36 where the resin is easy to go straight on the reflection gate side of the pedestal 32, and the resin on the injection gate side and reflection gate side of the boss 31 Are flowing evenly or almost evenly.
- the grease that has flowed into the pedestal 32 flows into and is filled from both sides into the opposite part of the boss 31 evenly or substantially uniformly in the direction of the straight line X—X and the direction of the straight line Y—Y. .
- the highest temperature position such as the resin is located at the center of the boss part 31.
- the integrated composite 30 was placed in a hot air drier at 170 ° C for 1 hour and slowly cooled to eliminate internal distortion.
- FIG. 9 is a perspective view of a composite 60 in which a resin-shaped product is integrated with a metal-shaped product by injection joining
- FIG. 10 is a plan view of the composite 60.
- Example 2 The same liquid treatment as in Example 1 was performed to produce an aluminum piece 20.
- a mold was formed on the top of the aluminum piece 20 as a composite 60 in which a resin-like material as shown in FIGS. 9 and 10 was integrated by injection joining.
- the mold is almost the same as in Example 1, and the description is omitted. Also in this sixth embodiment, it can be said that the angle C1 of the first embodiment is 180 degrees.
- the aluminum piece 20 was inserted into a mold heated to 140 ° C, and the resin was injected and joined in such a manner that the resin was injected from the injection gate 65 at an injection temperature of 310 ° C.
- About 20 composites 60 were injection molded.
- the hole 64 is a hole formed in the boss portion 61 and having the aluminum piece 20 as a bottom.
- the runner 63 is branched in two directions at a branching portion 66, and communicates with the pedestal 62 at the gates 67 and 67. The gate 67, the pedestal 62, the boss 61, etc.
- the outer radius r of the runner 63 is 10 mm
- the width w8 of the runner 63 is 2 mm
- the width w7 of the branching portion 66 is 2 mm
- the width w9 near the gate 67 is 3 mm.
- the diameter and width of the runner are not limited to this shape and size.
- the gate and the runner may have a symmetrical shape and can flow into the opposite portions of the boss portion evenly or substantially evenly from both sides.
- the grease injected from the injection gate 65 flows into the bottle section 61 through the runners 63 and 63, the gates 67 and 67, and the pedestal 62 branched in two directions at the branch section 66.
- the grease that has flowed into the pedestal 62 also flows into and fills the opposite portions of the boss portion 61 evenly or almost equally.
- the inflow amount per unit time of the flow of the grease into the boss portion 61 is balanced so that the opposite portions of the boss portion 61 are equal or almost equal from both sides.
- the integrated composite 60 was placed in a hot air drier at 170 ° C for 1 hour and slowly cooled to eliminate internal distortion.
- FIG. 11 is a perspective view of a composite 70 in which a resin-shaped object is integrated with a metal-shaped object by injection bonding.
- FIG. 12 and FIG. 12 are plan views of the composite 70.
- Example 2 The same liquid treatment as in Example 1 was performed to produce an aluminum piece 20.
- a mold was made to mold a composite 70 in which the resin-like material shown in FIGS. The mold is almost the same as in Example 1 and the explanation is omitted.
- the aluminum piece 20 was inserted into a mold heated to 140 ° C, and the resin was injected and joined in such a manner that the resin was injected from the injection gate 75 at an injection temperature of 310 ° C.
- About 20 composites 70 were injection molded.
- the hole 74 is a hole formed in the boss portion 71.
- the runner 73 is configured to be in contact with the outer circumferential line of the pedestal 72, and communicates with the pedestal 72 at the gate 77.
- the width wlO of the runner 73 is 3 mm.
- a notch 74 is formed between the runway 73 and the pedestal 72.
- the height tl of the pedestal 72 is 1.5 mm.
- the runners, notches, etc. are not limited to this shape and size. In other words, if the resin has a shape that can be filled and filled into the boss part while rotating, it is a matter of course!
- the resin injected from the injection gate 75 passes through the runner 73, the gate 77, and the pedestal 72 formed so as to be in contact with the outer peripheral line of the base 72 at the base of the boss 71.
- the tangential force of the circular pedestal 72 also flows into the.
- the notched portion 74 is formed between the runway 73 and the pedestal 72, and the resin that has flowed from the gate 77 is likely to rotate due to the resin flow in the melted resin. It is configured as follows.
- the grease that flows into the pedestal 72 flows and fills the pedestal 72 and the boss 71 while rotating.
- the highest temperature position of the resin or the like is positioned at the center of the boss portion 71.
- the integrated composite 70 was placed in a hot air drier at 170 ° C for 1 hour and slowly cooled to eliminate internal distortion.
- the vertical accuracy of the boss portion 71 was measured with a three-dimensional measuring instrument. That is, the error ⁇ of the boss top side center position relative to the boss bottom side center position was measured. The error ⁇ is -0. 10mm—0.02mm, and the tilt amount is (—0.10mm ⁇ 0.02mm) Z 15mm. It was. The boss portion 71 did not incline toward the injection gate trace side as occurred in the prior art.
- FIG. 13 is a perspective view of a composite 80 in which a resin-shaped product in which a plurality of standing molded bodies are erected on a metal-shaped product is integrated by injection joining
- FIG. 14 is a plan view of the composite 80.
- Example 2 The same liquid treatment as in Example 1 was performed to produce an aluminum piece 20.
- a mold was made on the upper part of the aluminum piece 20 to form a composite 80 in which a resin-shaped product as shown in FIGS. 13 and 14 was integrated by injection joining.
- An aluminum piece 20 was inserted into a mold heated to 140 ° C, and injection bonding was performed by injecting the resin from the injection gate 85 at an injection temperature of 310 ° C. About 20 composites 80 were injection molded. The resin injected from the injection gate 85 flows on the resin base 88. Liquor flows into the boss 81a through the runners 83a and 83b, the gates 87a and 87b, and the pedestal 82. In the boss part 8 lb, the grease flows directly into the boss part 8 lb through the runners 83c and 83d and the gates 87c and 87d.
- the runners 83a, 83b, the gates 87a, 87b, the pedestal 82, the boss 81a are the straight line Q-Q passing through the center of the gate 87a, the boss 81a and the gate 87b, and the straight line P-P perpendicular to this straight line Q-Q.
- the shape is symmetrical or nearly symmetrical with respect to both.
- the runners 83c and 83d, the spouts 87c and 87d, and the boss 81b are also symmetric or nearly symmetric with respect to both the straight line passing through the center of the runner 87c, the boss 81b and the spout 87d, and a line orthogonal to the straight line. It is a simple shape. That is, the grease can flow in and fill from both sides to the opposing portions of the boss portions 81a and 81b from both sides. As a result, when the boss parts 81a and 81b are completely filled with the resin, the highest temperature position such as the resin is located at the center of the boss parts 8la and 81b.
- the integrated composite 80 was placed in a hot air drier at 170 ° C for 1 hour and slowly cooled to cause internal distortion. Was solved. As a result of visual judgment of this composite 80, the inclination of the boss portions 81a and 81b was such that almost no inclination could be confirmed.
- FIG. 15 is a perspective view of a composite 90 in which a resin-shaped product is integrated with a metal-shaped product by injection joining
- FIG. 16 is a plan view of the composite 90.
- Example 2 The same liquid treatment as in Example 1 was performed to produce an aluminum piece 20.
- a mold was made as a molding for forming a composite 90 in which the resin-like material as shown in FIGS.
- the aluminum piece 20 was inserted into a mold heated to 140 ° C, and the resin was injected and bonded by a method of injecting the resin from the injection gates 95a and 95b at an injection temperature of 310 ° C. Approximately 20 composites 90 were injection molded. Between the resin base portion 98 and the pedestal 92a, arc-shaped elongated holes of the branch portions 96a and 96b are formed. The width (wl9) of the branch part (long hole) 96a, 96b is 2 mm, for example, and the diameter D of the pedestal 92a is 12 mm.
- the runways 93a, 93b, the gates 97a, 97b, the pedestal 92a, and the boss 91a are the straight line P-P passing through the center of the gate 99a, the boss 91a and the gate 97b, and the straight line Q- It is symmetric or nearly symmetric with respect to Q.
- the runners 93c and 93d, the gates 97c and 97d, the pedestal 92b, and the boss 91b are symmetric or substantially symmetric with respect to the straight line passing through the center of the gate 97c, the boss 91b and the gate 97d, and a line orthogonal to the straight line. It has a shape.
- the resin injected from the injection gate 95 flows into the resin base 98.
- the grease that has flowed into the grease base 98 flows into the pedestal 92a and the boss 91a through the runners 93a and 93b and the gates 97a and 97b.
- the fat that has flowed into the fat base 98 has runways 93c, 93d, and a spout 9 It flows into pedestal 92b and boss 9 lb through 7c and 97d.
- Grease flows in and fills the bosses 91a and 9 lb facing each other evenly or almost evenly. This indicates that the highest temperature position when the resin is completely filled in the boss 9 la and 9 lb is located at the center of the boss 9 la and 91b.
- the integrated composite 90 was placed in a hot air drier at 170 ° C for 1 hour and slowly cooled to eliminate internal distortion. As a result of visual judgment of this complex 90, almost no inclination could be confirmed.
- the embodiment of the present invention has been described above, it is needless to say that the present invention is not limited thereto.
- the standing molded body is described as a boss portion, it is needless to say that the standing molded body such as a rib portion or other shapes standing on a metal shaped object may be used. Without departing from the purpose and spirit of the present invention, the present invention can be applied to various shapes and sizes within a range.
- the pretreatment applied to the metal shaped object is explained by liquid treatment such as immersion treatment, cleaning treatment, etc., but the surface of the metal shaped object is organically plated using a special organic compound.
- a treatment for anodizing an aluminum alloy metal shape. That is, it may be a composite of a metal and a resin in which a resin-shaped product is integrated by injection joining to a metal-shaped product that has undergone some pretreatment!
- the metal shape may be a shape made of a metal material other than aluminum.
- the composite of metal and resin according to the present invention and the method for producing the same include a casing, a part, a device used for electronic equipment, home appliances, electrical products, industrial parts, industrial equipment, automobiles, etc., and production thereof. Can be used.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020087028540A KR101115817B1 (ko) | 2006-05-25 | 2006-05-25 | 금속과 수지의 복합체와 그 제조 방법 |
PCT/JP2006/310419 WO2007138641A1 (ja) | 2006-05-25 | 2006-05-25 | 金属と樹脂の複合体とその製造方法 |
JP2008517709A JPWO2007138641A1 (ja) | 2006-05-25 | 2006-05-25 | 金属と樹脂の複合体とその製造方法 |
EP06756579.6A EP2020284B1 (en) | 2006-05-25 | 2006-05-25 | Composite of metal with resin and process for producing the same |
US12/302,130 US8231982B2 (en) | 2006-05-25 | 2006-05-25 | Composite of metal and resin, and method for manufacturing same |
CN200680054706XA CN101448618B (zh) | 2006-05-25 | 2006-05-25 | 金属与树脂的复合体及其制造方法 |
HK09110217.7A HK1130229A1 (en) | 2006-05-25 | 2009-11-04 | Composite of metal with resin and process for producing the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/JP2006/310419 WO2007138641A1 (ja) | 2006-05-25 | 2006-05-25 | 金属と樹脂の複合体とその製造方法 |
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WO2007138641A1 true WO2007138641A1 (ja) | 2007-12-06 |
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PCT/JP2006/310419 WO2007138641A1 (ja) | 2006-05-25 | 2006-05-25 | 金属と樹脂の複合体とその製造方法 |
Country Status (7)
Country | Link |
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US (1) | US8231982B2 (ja) |
EP (1) | EP2020284B1 (ja) |
JP (1) | JPWO2007138641A1 (ja) |
KR (1) | KR101115817B1 (ja) |
CN (1) | CN101448618B (ja) |
HK (1) | HK1130229A1 (ja) |
WO (1) | WO2007138641A1 (ja) |
Cited By (3)
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US20100143648A1 (en) * | 2008-12-04 | 2010-06-10 | Chia-Ming Tsai | Fiber-reinforced polymeric casing and method for manufacturing the same |
JP2012121212A (ja) * | 2010-12-08 | 2012-06-28 | Enplas Corp | 遊星歯車装置用キャリアの射出成形用金型 |
US8246154B2 (en) | 2008-02-14 | 2012-08-21 | Seiko Epson Corporation | Liquid injecting head, method of manufacturing liquid injecting head, and liquid injecting apparatus |
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US10574932B2 (en) * | 2008-07-28 | 2020-02-25 | Fox Digital Enterprises, Inc. | System and method of generating subtitling for media |
KR20110068420A (ko) * | 2009-12-16 | 2011-06-22 | (주)디티알 | 폴리머 핀 애자 및 폴리머 핀 애자의 제조 방법 |
WO2011123968A1 (zh) | 2010-04-06 | 2011-10-13 | 铂邑科技股份有限公司 | 具有塑质结合件的金属薄壳件及其制法 |
CN102529093A (zh) * | 2010-12-29 | 2012-07-04 | 瑞虹精密工业股份有限公司 | 于金属基材结合塑胶的方法 |
JP5906017B2 (ja) * | 2011-01-28 | 2016-04-20 | グローブライド株式会社 | 魚釣用リール、魚釣用リールの構成部材、及びそれらの製造方法 |
CN102501386B (zh) * | 2011-12-25 | 2013-01-02 | 常德市耐摩特聚合材料有限公司 | 一种压制-烧结法制作塑料管法兰接头的方法 |
CN102615775A (zh) * | 2012-04-09 | 2012-08-01 | 昆山金利表面材料应用科技股份有限公司 | 一种带有塑料结构的金属件及其制作方法 |
IN2015DN00995A (ja) * | 2013-07-18 | 2015-06-12 | Mitsui Chemicals Inc | |
US10126179B2 (en) * | 2013-10-15 | 2018-11-13 | Panasonic Intellectual Property Management Co., Ltd. | Temperature sensor and manufacturing method therefor |
KR101472416B1 (ko) * | 2013-10-17 | 2014-12-12 | 고려대학교 산학협력단 | 3차원 스트레쳐블 전자소자 및 이의 제조 방법 |
US20160361853A1 (en) * | 2015-06-15 | 2016-12-15 | Exco Technologies Limited Dba Neocon | Method and apparatus for applying an injection moulded part to a finished production part |
CN112013004B (zh) * | 2020-08-14 | 2022-02-01 | 湖北航天技术研究院总体设计所 | 一种复合材料接头的连接结构 |
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- 2006-05-25 US US12/302,130 patent/US8231982B2/en active Active
- 2006-05-25 EP EP06756579.6A patent/EP2020284B1/en not_active Not-in-force
- 2006-05-25 KR KR1020087028540A patent/KR101115817B1/ko active IP Right Grant
- 2006-05-25 JP JP2008517709A patent/JPWO2007138641A1/ja active Pending
- 2006-05-25 WO PCT/JP2006/310419 patent/WO2007138641A1/ja active Application Filing
- 2006-05-25 CN CN200680054706XA patent/CN101448618B/zh active Active
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2009
- 2009-11-04 HK HK09110217.7A patent/HK1130229A1/xx not_active IP Right Cessation
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US8246154B2 (en) | 2008-02-14 | 2012-08-21 | Seiko Epson Corporation | Liquid injecting head, method of manufacturing liquid injecting head, and liquid injecting apparatus |
US20100143648A1 (en) * | 2008-12-04 | 2010-06-10 | Chia-Ming Tsai | Fiber-reinforced polymeric casing and method for manufacturing the same |
JP2012121212A (ja) * | 2010-12-08 | 2012-06-28 | Enplas Corp | 遊星歯車装置用キャリアの射出成形用金型 |
Also Published As
Publication number | Publication date |
---|---|
EP2020284A4 (en) | 2012-01-04 |
JPWO2007138641A1 (ja) | 2009-10-01 |
CN101448618A (zh) | 2009-06-03 |
HK1130229A1 (en) | 2009-12-24 |
KR20090009891A (ko) | 2009-01-23 |
KR101115817B1 (ko) | 2012-03-09 |
US20090117401A1 (en) | 2009-05-07 |
CN101448618B (zh) | 2012-07-04 |
US8231982B2 (en) | 2012-07-31 |
EP2020284A1 (en) | 2009-02-04 |
EP2020284B1 (en) | 2014-02-12 |
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