CN1522811A - Method for fabricating radiator and its structure - Google Patents
Method for fabricating radiator and its structure Download PDFInfo
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- CN1522811A CN1522811A CNA031037704A CN03103770A CN1522811A CN 1522811 A CN1522811 A CN 1522811A CN A031037704 A CNA031037704 A CN A031037704A CN 03103770 A CN03103770 A CN 03103770A CN 1522811 A CN1522811 A CN 1522811A
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Abstract
The present invention relates to a method for manufacturing heat radiator. Firstly, a base plate and several radiating fins are provided, said base plate has several grooves and several recessed holes, these recessed holes and grooves are alternatively arranged on one side of said base plate, and the heat-radiating fins are respectively arranged on the grooves. A compression die is inserted into the recessed hole so as to make the recessed hole be compressed and deformed, and make the adjacent groove be relatively compressed, so that the heat-radiating fin can be tightly inlaid in the groove.
Description
Technical field
The present invention relates to a kind of preparation method and structure thereof of radiator.
Background technology
In recent years, with person's integrated circuit (Integrated Circuit, IC) integrated level of the internal wiring of wafer (integration) is constantly soaring, the heat dissipation of cooling system also requires to improve relatively.Generally speaking, the central processing unit of PC, in the electronic components such as north bridge wafer and drawing wafer, for the IC wafer that can remove this type of electronic component rapidly when the working at high speed, the heat energy that it produced, make that the IC wafer still can the long term maintenance normal operation when working at high speed, known technology is to utilize radiator (Heat Sink) directly to contact the surface of electronic component, so that bigger area of dissipation to be provided, and the cooling blast that provided of the radiator fan of coupled system inside (fan), the heat energy that makes radiator promptly to absorb electronic component to be produced, and apace heat energy is dissipated to extraneous atmospheric environment.
Fig. 1 illustrates the generalized section of known a kind of radiator.Please refer to Fig. 1, radiator 100 is mainly by a base plate (base plate) 110 and 120 formations of a plurality of radiating fin (fin), wherein the end face 112 of base plate 110 has a plurality of grooves (groove) 114, and radiating fin 120 is arranged on the groove 114 of base plate 110 in regular turn, and forms multiple support channels (channel) 122 between adjacent two radiating fins 120.In addition, the bottom surface 116 of base plate 110 is the surface of corresponding contact electronic component 10 by a heat-conducting glue (not illustrating) for example, promptly to absorb the heat energy that electronic component 10 is produced when operating, and with the root edge of thermal energy conduction to each radiating fin 120, the person of connecing conducts to the surface of radiating fin 120 again, and the cooling blast (cooling airflow) that the radiator fan of internal system (not illustrating) is provided is when the channel 122, can take away the heat energy on the surface of radiating fin 120 apace, so can reach the purpose of cooling electronic components 10 by the radiator 100 bigger area of dissipation that provides.In addition, more optionally dispose a radiator fan (not illustrating) on this radiator 100, in order to increase the heat dissipation of this radiator 100.
Yet tradition is utilized the base material of aluminium (Al) as base plate 110, and utilizes the mode that extrudes, forges or cut to make the base plate 110 of radiator, the mode of radiating fin 120 with welding is fixed on the base plate at last again.Because the heat that the employed welding material of welding can increase between base plate 110 and the radiating fin 120 passes impedance, and influence the integral heat sink usefulness of radiator 100, the arithmetic speed of adding wafer constantly promotes, when estimating the arithmetic speed arrival 3.0GHz of wafer, certainly will need better base material of heat dispersion and more effective mode to make radiator, wherein the radiator with fine copper or copper alloy will become following main product.
The known mode of die forging (swaging) of also can utilizing is made radiator 100, wherein the base plate 110 of radiator 100 is not one-body molded with radiating fin 120, so the 3rd of USPO's bulletin, 216, in No. 496 patents (inventor Katz), utilize the mode of die forging that radiating fin 120 is embedded in the groove 114 of base plate 110.Please refer to the schematic flow sheet of the preparation method of the known a kind of radiator shown in Fig. 2 (A), Fig. 2 (B).Shown in Fig. 2 (A), at first radiating fin 120 is disposed at respectively on the groove 114 of base plate 110, yet the width of radiating fin 120 is slightly less than the width of groove 114, so radiating fin 120 fails to be embedded in fully among the groove 114.The person of connecing is shown in Fig. 2 (B), the cutter 20 of one extrusion die is placed in the channel 122 between adjacent two radiating fins 120, and after the piston ring land 118 between the knife edge 22 extruded channels 114 of cutter 20, to make piston ring land 118 pressurizeds and produce plastic deformation, and outwards push to groove 114 by the both sides of the knife edge 22, therefore contiguous groove 114 is pushed, and makes radiating fin 120 closely be embedded in the groove 114.
Though the known processing cost of its radiator of mode of die forging of utilizing is higher than the processing cost that tradition is utilized its radiator of mode of welding, the heat-conductive characteristic between radiating fin and the base plate can significantly promote.Wherein, can fluid-tight engagement between base plate and the radiating fin, must consider following factors: the amount of plastic deformation of A. piston ring land is enough big; B. the blade of cutter is enough dark; C. the lateral cross section of cutter is enough wide, and radiating fin can closely be embedded in the groove.It should be noted that, shown in Fig. 2 (B), when cutter 20 provides bigger external force with extruding piston ring land 118, and the amount of plastic deformation that makes piston ring land 118 is when increasing, and extruded piston ring land 118 can be pushed to the bottom of groove 114 on the contrary because can't lead off fully to the both sides of groove 114, the effect that causes radiating fin 120 to be subjected to upwards pushing, and change its degree of depth, and can stay space 26 between the bottom of groove 114 and the radiating fin 120, and then influence the heat-conducting effect of radiating fin and base plate.In addition, cutter 20 increases because of impacting power, and the knife edge 22 of cutter 20 is relatively impaired more serious, shortens the service life of cutter 20 on the contrary.
For solving the effect that above-mentioned radiating fin is subjected to upwards pushing, in No. 5638715 patent of the U.S. (inventor Lipinski), it utilizes the piston ring land of a plurality of rolling disk extrusion grooves both sides, yet rolling disk can't be as cutter the insertion groove keel, so utilize the piston ring land of rolling disk extrusion, its amount of plastic deformation is big inadequately, and the degree of depth of extruding can't reach bottom to groove, causes the compactness reduction of base plate and radiating fin.
Summary of the invention
Purpose of the present invention is exactly that a kind of preparation method of radiator is being provided, and in the amount of plastic deformation of moderate reduction piston ring land and increase under the situation of the degree of depth of cutter extruding, still can reach the purpose that radiating fin and base plate are closely inlayed.
Another object of the present invention is providing a kind of radiator exactly, wherein the bottom of radiating fin has recessed edge of dentation or indentation, so that piston ring land is when producing plastic deformation, can not push bottom to groove, and then make that radiating fin can not be subjected to upwards pushing, to reach the heat-conducting effect that increases radiating fin and base plate.
For reaching above-mentioned purpose, the present invention proposes a kind of preparation method of radiator, and a base plate and a plurality of radiating fin at first are provided, and base plate has a plurality of grooves and a plurality of depression, and these grooves and these depressions alternately are arranged on the side of base plate, and radiating fin is disposed on the groove respectively.Insert an extrusion die in depression, so that depression is squeezed and is out of shape, and pushes contiguous groove relatively, so that radiating fin can closely be embedded in the groove.
Above-mentioned depression is positioned on the piston ring land of wantonly two adjacent grooves, and the cutter of extrusion die can stretch in the depression, and inserts the bottom of depression, so that piston ring land produces plastic deformation, and pushes contiguous groove, so that radiating fin closely is embedded in the groove.
The preparation method of described radiator, wherein this extrusion die has a plurality of cutters, and correspondence is arranged between those radiating fins, and those cutters are pushed the both sides of those depressions earlier, insert the bottom of those depressions afterwards more respectively.
The preparation method of described radiator, wherein the front end of those cutters reaches the degree of depth of those grooves haply.
The preparation method of described radiator, wherein the material of this base plate is any in copper or the copper alloy.
The preparation method of described radiator, wherein the material of this radiating fin is selected from the group that aluminium, copper and these metal alloys are formed.
For reaching above-mentioned purpose, the present invention proposes a kind of radiating bottom plate, be suitable for assembling a radiating fin, this radiating bottom plate mainly comprises a plurality of grooves and a plurality of depression, these a plurality of grooves correspond respectively to those radiating fins, and groove and depression are alternately arranged, so that depression is between wantonly two adjacent grooves, and the degree of depth of depression is less than the degree of depth of groove.
Described according to preferred embodiment of the present invention, above-mentioned depression is positioned on the piston ring land of wantonly two adjacent grooves, and depression and groove can utilize and extrude shaping, forging and molding or shaping by stock removal and complete, and the shape of depression can cooperate the profile of cutter and change to some extent.
Described radiating bottom plate, wherein rectangular, trapezoidal, arc of those depressions and taper one of them.
For reaching above-mentioned purpose, the present invention proposes a kind of radiator, mainly is made of a base plate and a plurality of radiating fin.Wherein, base plate has a plurality of grooves, and radiating fin is disposed at respectively on these grooves, and the bottom of each radiating fin has the recessed edge of at least one profile of tooth, and correspondence is embedded in each groove, and the degree of depth of the height of the recessed edge of profile of tooth and groove is suitable.
Described radiator, wherein the recessed edge of those profiles of tooth forms a line with a spacing.
Described radiator, wherein the recessed edge of those profiles of tooth is a slit.
For reaching above-mentioned purpose, the present invention proposes a kind of radiator, mainly is made of a base plate and a plurality of radiating fin.Wherein, base plate has a plurality of grooves, and radiating fin is disposed at respectively on these grooves, and the bottom of each radiating fin has at least one indentation, and correspondence is embedded in each groove, and the degree of depth of the height of indentation and groove is suitable.Above-mentioned indentation example is the side that is depressed in the bottom of radiating fin.
Description of drawings
Fig. 1 illustrates the generalized section of known a kind of radiator;
Fig. 2 (A), Fig. 2 (B) illustrate the schematic flow sheet of the preparation method of known a kind of radiator respectively;
Fig. 3 (A), Fig. 3 (B), Fig. 3 (C) illustrate the schematic flow sheet of preparation method of a kind of radiator of a preferred embodiment of the present invention in regular turn;
Fig. 4 (A), Fig. 4 (B), Fig. 4 (C) illustrate the schematic diagram of depression of the base plate of three kinds of preferred embodiments of the present invention;
Fig. 5 illustrates the radiating fin of a preferred embodiment of the present invention and the three-dimensional part sectioned view of base plate;
Fig. 6 illustrates vertical schematic diagram of radiating fin of another preferred embodiment of Fig. 5.
The specific embodiment
For above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, a preferred embodiment cited below particularly, and conjunction with figs. are described in detail below:
Fig. 3 (A) illustrates the schematic flow sheet of preparation method of a kind of radiator of a preferred embodiment of the present invention in regular turn to Fig. 3 (C).
Please refer to Fig. 3 A, radiator 200 mainly is made of a base plate 210 and a plurality of radiating fin 220, and wherein the material of base plate 210 for example is fine copper or copper alloy, and the material of radiating fin 220 is for example formed by aluminium, copper and these alloy.Base plate 210 has a plurality of grooves 214 and a plurality of depression 216, and groove 214 and depression 216 alternately are arranged in the end face 212 of base plate 210, and groove 214 is all inequality with the degree of depth, the width of depression 216.
In the present embodiment, groove 214 is in order to holding radiating fin 220, and the purpose of depression 216 is to reduce the amount of plastic deformation of the piston ring land 218 between adjacent two grooves 214.Shown in Fig. 3 (A), depression 216 is for example with the mode of cutting (skiving) the part material with the piston ring land 218 of removing base plate 210, or utilizes the mode that extrudes (extrusion) or forge (forging), is shaped on the base plate 210.Equally, groove 214 mode that can also cut, extrude or forge forms.In addition, when making depression 216, can control the width and the degree of depth of depression 216, make the width C of depression 216, and the depth d of depression 216 is relatively less than the depth D of groove relatively less than the bore R of the cutter 20 of extrusion die.
Same radiating fin 220 is disposed at respectively on the groove 214 of base plate 210 shown in Fig. 3 (A), yet the width of radiating fin 220 is slightly less than the width of groove 214, so radiating fin 220 fails to be embedded in fully among the groove 214.Therefore, can utilize die forging (swaging) mode so that radiating fin 220 be embedded among the groove 214.Please refer to Fig. 3 B, the cutter 20 of one extrusion die is placed in the channel 222 between adjacent two radiating fins 220, and the knife edge 22 both sides of cutter 20 are the both sides of extruding depression 216 earlier, so that depression 216 produces plastic deformation earlier, and the depression 216 of distortion produces the both sides of side force with fixed radiator fin 220, the person of connecing please refer to Fig. 3 (C), the knife edge 22 (or front end) of cutter 20 is inserted into the bottom of depression 216 again, so that cutter 20 is deeply to piston ring land 218, so that piston ring land 218 is squeezed and produces plastic deformation, and outwards push to groove 214 by the both sides of the knife edge 22, therefore contiguous groove 214 is pushed, and makes radiating fin 220 closely be embedded in the groove 214.
It should be noted that because part piston ring land 218 forms a depression 216, so when cutter 20 extruding piston ring lands 218 and during the generation plastic deformation, the plasticity variable quantity of piston ring land 218 will reduce.In addition, the knife edge 22 both sides of cutter 20 are pushed after the depression 216 earlier, and the knife edge 22 by cutter 20 is squeezed to piston ring land 218 again, so the strength of cutter 20 extruding need not increase, the degree of depth that can make cutter 20 be squeezed in piston ring land 218 is deepened, even can reach the degree of depth of groove 214.Yet, in the known technology, if cutter will reach the degree of depth of groove, the strength that cutter is squeezed in piston ring land relatively increases, so not only the knife edge of cutter damages easily, influence the service life of cutter, and its plasticity variable quantity of extruded piston ring land is too big and can't lead off, so cause minus effect crowded on the radiating fin.
Please refer to Fig. 4 (A) to Fig. 4 (C), it illustrates the schematic diagram of depression of the base plate of three kinds of preferred embodiments of the present invention.The cutter of general extrusion die can be divided into pointed haply, and three kinds of wedge shape and cylindricalitys, and the present invention is directed to the cutter of different kenels change the shape of depression, yet the width of depression is all relatively less than the bore of cutter.Shown in Fig. 4 (A), under preferable situation, utilize pointed cutter 30 to be positioned at the wedge shape depression 216 of piston ring land 218 with extruding, depression 216 also can be taper or V-arrangement certainly.In addition, shown in Fig. 4 (B), under preferable situation, utilize the cutter 32 of wedge shape to be positioned at the trapezoidal depression 216 of piston ring land 218 with extruding.Moreover, shown in Fig. 4 (C), under preferable situation, utilize the cutter 34 of cylindricality to be positioned at the arc depression 216 of piston ring land 218 with extruding.Certainly, the above embodiments do not limit the cutter that uses other different kenels or the depression of other shapes, and the degree of depth of depression and width all can be controlled in optimum size, and cooperate the cutter of different kenels to use.
Please refer to Fig. 5, it illustrates the radiating fin of a preferred embodiment of the present invention and the three-dimensional part sectioned view of base plate.Radiating fin 320 is arranged on the groove 314 of base plate 310 in regular turn, and depression 316 is positioned on the piston ring land 318 of adjacent grooves 314.As the arrow indication, the longitudinal length of its pocket 316 length with radiating fin 320 haply is suitable, so, when the both sides of the cutter of extrusion die extruding depression 316 and bottom, outwards push to groove 314 making the longitudinal surface 70 comprehensive ground of piston ring land 318, and the longitudinal surface 72 of radiating fin 320 can closely be embedded in the groove 314, so promote the compactness of radiating fin 320 and base plate 310 greatly.
In addition,, push bottom on the contrary, cause radiating fin to be subjected to upwards pushing, and the bottom of radiating fin can stay the phenomenon in space to groove in order to overcome extruded piston ring land because of leading both sides fully off to groove.The present invention forms the recessed edge 322 of a dentation in the bottom of radiating fin 320, degree of depth with groove 314 is suitable highly haply for it.Wherein, the recessed edge 322 of dentation for example forms a line with a spacing P (or equidistantly), or the recessed edge 322 of dentation also can dwindle its width to form a slit (not illustrating).So, when cutter extruding piston ring land 318, the extruded piston ring land 318 of part can be embedded between the recessed edge 322 of dentation, and the air that residues in radiating fin 320 bottoms can be via outwards flowing out between the recessed edge 322 of dentation, so effect that radiating fin 320 can not be subjected to upwards pushing, and the change degree of depth, and can residual clearance between the bottom of groove 314 and the radiating fin 320, therefore obviously promote the integral heat sink effect of radiator.
Please refer to Fig. 6, it illustrates vertical schematic diagram of radiating fin of another preferred embodiment of Fig. 5.Except the radiating fin 320 of above-mentioned the 5th figure, the bottom of radiating fin 320 also can form an indentation 324, and indentation 324 is vertically arranged in the longitudinal surface 72 of radiating fin 320 haply, and the height of indentation 324 degree of depth with groove 314 is suitable haply.Wherein, indentation 324 does not limit and is positioned on the single longitudinal surface 72, also can lay respectively on two longitudinal surfaces 72,74.Same as above, when cutter extruding piston ring land 318, the extruded piston ring land 318 of part can be embedded in the indentation 324, and the air that residues in radiating fin 320 bottoms can outwards flow out via indentation 324, so effect that radiating fin 320 can not be subjected to upwards pushing, and the change degree of depth, and can residual clearance between the bottom of groove 314 and the radiating fin 320, therefore obviously promote the integral heat sink effect of radiator.
In sum, the preparation method of radiator of the present invention and structure thereof have following advantage at least:
1, with regard to the preparation method of radiator, when the piston ring land of cutter extruded channels, utilize depression to reduce the amount of plastic deformation of piston ring land, and behind the knife edge of the cutter elder generation extruding depression, blade by cutter pushes piston ring land again, therefore the strength that presses down of cutter need not increase, but cutter presses down in the degree of depth of piston ring land and can significantly improve, so the compactness of lifting radiating fin and base plate.In addition, also increase relatively the service life of cutter.
2, with regard to the structure of radiator, utilize the bottom of radiating fin to form the recessed edge of dentation (or indentation), so that the extruded piston ring land of part can be embedded in the recessed edge of dentation (or indentation), and the air that residues in the radiating fin bottom can outwards flow out via the recessed edge of dentation (or indentation), so effect that radiating fin can not be subjected to upwards pushing, and the change degree of depth, and can residual clearance between the bottom of groove and the radiating fin, therefore obviously promote the integral heat sink effect of radiator.
Though the present invention discloses as above with a preferred embodiment; right its is not in order to limiting the present invention, anyly has the knack of this skill, without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention defines with claims and is as the criterion.
Claims (14)
1, a kind of preparation method of radiator is characterized in that, comprises at least:
One base plate and a plurality of radiating fin are provided, and this base plate has a plurality of grooves and a plurality of depression, and those depressions lay respectively between adjacent those grooves, and those radiating fins are disposed at respectively on those grooves; And
Insert an extrusion die in those depressions, so that those depressions are squeezed and are out of shape, and push those contiguous grooves relatively, so that those radiating fins can closely be embedded in those grooves.
2, the preparation method of radiator according to claim 1, it is characterized in that wherein this extrusion die has a plurality of cutters, correspondence is arranged between those radiating fins, and those cutters are pushed the both sides of those depressions earlier, insert the bottom of those depressions afterwards more respectively.
3, the preparation method of radiator according to claim 2 is characterized in that, wherein the front end of those cutters reaches the degree of depth of those grooves haply.
4, the preparation method of radiator according to claim 1 is characterized in that, wherein the material of this base plate is any in copper or the copper alloy.
5, the preparation method of radiator according to claim 1 is characterized in that, wherein the material of this radiating fin is selected from the group that aluminium, copper and these metal alloys are formed.
6, a kind of radiating bottom plate is suitable for disposing a plurality of radiating fins, it is characterized in that, this radiating bottom plate comprises at least:
A plurality of grooves correspond respectively to those radiating fins; And
A plurality of depressions, and those depressions lay respectively between adjacent those grooves, and the degree of depth of those depressions is less than the degree of depth of those grooves.
7, radiating bottom plate according to claim 6 is characterized in that, the mode that wherein forms those grooves comprise extrude shaping, die casting shaping and shaping by stock removal one of them.
8, radiating bottom plate according to claim 6 is characterized in that, the mode that wherein forms those depressions comprise extrude shaping, die casting shaping and shaping by stock removal one of them.
9, radiating bottom plate according to claim 6 is characterized in that, wherein rectangular, trapezoidal, arc of those depressions and taper one of them.
10, a kind of radiator is characterized in that, comprises at least:
One base plate has a plurality of grooves; And
A plurality of radiating fins are disposed at respectively on those grooves, and the bottom of each those radiating fin has the recessed edge of at least one profile of tooth, and correspondence is embedded in each those groove, and the degree of depth of the height of the recessed edge of those profiles of tooth and these grooves is suitable.
11, radiator according to claim 10 is characterized in that, wherein the recessed edge of those profiles of tooth forms a line with a spacing.
12, radiator according to claim 10 is characterized in that, wherein the recessed edge of those profiles of tooth is a slit.
13, a kind of radiator is characterized in that, comprises at least:
One base plate has a plurality of grooves; And
A plurality of radiating fins are disposed at respectively on those grooves, and the bottom of each those radiating fin has at least one indentation, and correspondence is embedded in each those groove, and the degree of depth of the height of those indentations and these grooves is suitable.
14, radiator according to claim 13 is characterized in that, wherein these indentations are depressed in the side of the bottom of those radiating fins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03103770 CN1262368C (en) | 2003-02-19 | 2003-02-19 | Method for fabricating radiator and its structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03103770 CN1262368C (en) | 2003-02-19 | 2003-02-19 | Method for fabricating radiator and its structure |
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| Publication Number | Publication Date |
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| CN1522811A true CN1522811A (en) | 2004-08-25 |
| CN1262368C CN1262368C (en) | 2006-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 03103770 Expired - Fee Related CN1262368C (en) | 2003-02-19 | 2003-02-19 | Method for fabricating radiator and its structure |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100407414C (en) * | 2005-05-30 | 2008-07-30 | 陈世明 | Technique for riveting base plate of radiator and fins |
| CN102554053A (en) * | 2012-01-16 | 2012-07-11 | 昆山能缇精密电子有限公司 | Edge extrusion riveting process of solar energy heat radiation base plate and riveting mold for edge extrusion riveting process |
| CN102581147A (en) * | 2011-01-12 | 2012-07-18 | 苏州麦德尔机械有限公司 | Production method for cooling device of wind generating set |
| US8434228B2 (en) | 2006-03-15 | 2013-05-07 | Ferraz Shawmut Thermal Management | Heat exchanger and a method of manufacturing it |
| CN103418708A (en) * | 2013-09-05 | 2013-12-04 | 美尔森电气保护系统(上海)有限公司 | Rolling technology of inserting sheet type air cooling radiator |
| TWI575215B (en) * | 2011-12-22 | 2017-03-21 | chong-xian Huang | Radiator and its manufacturing method |
| CN111702055A (en) * | 2019-03-18 | 2020-09-25 | 马勒国际有限公司 | Method for stamping a component |
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2003
- 2003-02-19 CN CN 03103770 patent/CN1262368C/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100407414C (en) * | 2005-05-30 | 2008-07-30 | 陈世明 | Technique for riveting base plate of radiator and fins |
| US8434228B2 (en) | 2006-03-15 | 2013-05-07 | Ferraz Shawmut Thermal Management | Heat exchanger and a method of manufacturing it |
| CN102581147A (en) * | 2011-01-12 | 2012-07-18 | 苏州麦德尔机械有限公司 | Production method for cooling device of wind generating set |
| TWI575215B (en) * | 2011-12-22 | 2017-03-21 | chong-xian Huang | Radiator and its manufacturing method |
| CN102554053A (en) * | 2012-01-16 | 2012-07-11 | 昆山能缇精密电子有限公司 | Edge extrusion riveting process of solar energy heat radiation base plate and riveting mold for edge extrusion riveting process |
| CN102554053B (en) * | 2012-01-16 | 2015-03-18 | 昆山能缇精密电子有限公司 | Edge extrusion riveting mold of solar energy heat radiation base plate |
| CN103418708A (en) * | 2013-09-05 | 2013-12-04 | 美尔森电气保护系统(上海)有限公司 | Rolling technology of inserting sheet type air cooling radiator |
| CN103418708B (en) * | 2013-09-05 | 2015-08-12 | 美尔森电气保护系统(上海)有限公司 | The rolling technology of blade inserting air-cooled radiator |
| CN111702055A (en) * | 2019-03-18 | 2020-09-25 | 马勒国际有限公司 | Method for stamping a component |
| CN111702055B (en) * | 2019-03-18 | 2022-04-26 | 马勒国际有限公司 | Method for stamping a component |
| US11738500B2 (en) | 2019-03-18 | 2023-08-29 | Mahle International Gmbh | Method for embossing a component |
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|---|---|
| CN1262368C (en) | 2006-07-05 |
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Effective date of registration: 20110719 Address after: Chinese Taiwan New Taipei City three District Road No. 9 Hing 123 12 floor Patentee after: Shengye Technology Co., Ltd. Address before: Hsinchu City, Taiwan, China Patentee before: Xiao Fuyuan |
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Granted publication date: 20060705 Termination date: 20180219 |
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| CF01 | Termination of patent right due to non-payment of annual fee |