CN204322396U - LED lamp radiating shell and injection forming equipment thereof - Google Patents
LED lamp radiating shell and injection forming equipment thereof Download PDFInfo
- Publication number
- CN204322396U CN204322396U CN201420459236.7U CN201420459236U CN204322396U CN 204322396 U CN204322396 U CN 204322396U CN 201420459236 U CN201420459236 U CN 201420459236U CN 204322396 U CN204322396 U CN 204322396U
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- CN
- China
- Prior art keywords
- gas injection
- resettlement section
- channel
- closure member
- forming equipment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 238000002347 injection Methods 0.000 title claims abstract description 121
- 239000007924 injection Substances 0.000 title claims abstract description 121
- 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 24
- 239000004568 cement Substances 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims description 30
- 239000007788 liquid Substances 0.000 claims description 26
- 238000010438 heat treatment Methods 0.000 claims description 17
- 230000004308 accommodation Effects 0.000 claims description 8
- 230000017525 heat dissipation Effects 0.000 claims description 8
- 241000543741 Hexamermis Species 0.000 claims description 7
- 238000007493 shaping process Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of LED lamp radiating shell and injection forming equipment thereof, the gas injection device that this injection forming equipment comprises forming body and is connected with this forming body, described gas injection device comprises pedestal and the gas injection element that is arranged in described pedestal and closure member; This forming body is provided with forming tank, the first passage that described pedestal comprises the first resettlement section for accommodating described gas injection element and is connected with described first resettlement section respectively; Also comprise and be arranged on this bottom, the first resettlement section and the second resettlement section be communicated with this first resettlement section, this closure member is arranged in this second resettlement section movably; Described gas injection element comprises four-way, this four-way coordinates with this first passage, and form gas injection passage, this second resettlement section is connected between this first resettlement section and this forming tank, this closure member mobile can extrude the plastic cement melt entering this second resettlement section, makes it seal.
Description
Technical field
The present invention relates to lamp fittings, more particularly, relate to a kind of LED lamp radiating shell and injection forming equipment thereof.
Background technology
From our life staying idle at home, (such as summer has a shower) is all using liquid auxiliary heat dissipation to large-scale machining center, and heat can be taken away by its good mobility by liquid fast.Correlation technique, adopts liquid auxiliary heat dissipation in LED lamp, major embodiment for inject iknsulating liquid in the bulb, the heat conduction that LED light-emitting component produces is taken away by liquid.But injecting the assembly technology of liquid to whole lamp in LED bulb requires higher, also need the insulating properties ensureing liquid simultaneously, increase the production cost of LED lamp.In addition, existing blow molding method can stay next charging aperture on product, makes shaping product can not realize closing.
Summary of the invention
The technical problem to be solved in the present invention is, provide a kind of can be sealed LED lamp radiating shell and injection forming equipment.
For solving the problems of the technologies described above, present invention employs following technical scheme: the gas injection device that this injection forming equipment comprises forming body and is connected with this forming body, described gas injection device comprises pedestal and the gas injection element that is arranged in described pedestal and closure member; This forming body is provided with forming tank, the first passage that described pedestal comprises the first resettlement section for accommodating described gas injection element and is connected with described first resettlement section respectively; Also comprise and be arranged on this bottom, the first resettlement section and the second resettlement section be communicated with this first resettlement section, this closure member is arranged in this second resettlement section movably; Described gas injection element comprises four-way, this four-way coordinates with this first passage, and form gas injection passage, this second resettlement section is connected between this first resettlement section and this forming tank, this closure member mobile can extrude the plastic cement melt entering this second resettlement section, makes it seal.
A LED lamp radiating shell shaping according to above-mentioned injection forming equipment, comprises the heat sink body of injection mo(u)lding, forms airtight accommodation space in the sidewall of this main body, be filled with auxiliary heat dissipation liquid in described accommodation space.
Compared with prior art, this injection forming equipment, by arranging this closure member, while heat radiation plastic parts empty aborning, can be eliminated the charging aperture that blowing is formed, makes the surface of product keep level and smooth.Thus the technology needing two steps just can complete in the prior art is merged into a step, this LED lamp radiating shell and injection forming equipment thereof are had can seal, the simple advantage of technique.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the cross-sectional view of the injection forming equipment in some embodiments of the invention;
Fig. 2 is the cross-sectional view of the pedestal of the gas injection device of injection forming equipment shown in Fig. 1;
Fig. 3 is the cross-sectional view of the gas injection element of the gas injection device of injection forming equipment shown in Fig. 1;
Fig. 4 is the cross-sectional view of the heating closure member of the gas injection device of injection forming equipment shown in Fig. 1;
Fig. 5 is the cross-sectional view of injection forming equipment shown in Fig. 1 under the first using state;
Fig. 6 is the cross-sectional view of injection forming equipment shown in Fig. 1 under the second using state;
Fig. 7 is the cross-sectional view in a third condition of use of injection forming equipment shown in Fig. 1;
Fig. 8 is the perspective view of the LED lamp radiating shell in some embodiments of the invention;
Fig. 9 is the longitudinal profile structural representation of the radiating shell of LED lamp shown in Fig. 8.
Detailed description of the invention
Below in conjunction with specific embodiment and Figure of description, the present invention is described in further details.
Fig. 1 shows the injection forming equipment 1 in some embodiments of the invention, and this injection forming equipment 1 can be used for the manufacture of plastic parts, is particularly useful for the manufacture of the radiating shell 300 with liquid auxiliary heat dissipation of LED lamp (such as LED bulb).The support 30 that this injection forming equipment 1 can comprise forming body 10, be connected to the gas injection device 20 of forming body 10 and be connected with gas injection device 20.In some instances, gas injection device 20 and forming body 10 link together, separably so that the plastic parts demoulding after shaping.Support 30 is for supporting gas injection device 20.
Forming body 10 can comprise forming tank 11 in certain embodiments, and forming tank 11 is formed to lower recess by the end face of forming body 10, and for as main molding space, the shape of this forming tank 11 can be designed to various shape as required.The present invention in certain embodiments for convenience of description, is only described for the forming tank 11 that vertical section is rectangular.
Gas injection device 20 can comprise the pedestal 21 that can be installed on forming body 10 and the gas injection element be arranged in pedestal 21 23 in certain embodiments and heat closure member 25.Gas injection element 23 for injecting Compressed Gas in plastic cement melt, and injects liquid in cooled plastic parts.Closure member 25 is around being arranged on around this gas injection element 23.Inlet on plastic parts, for after inject liquid in plastic parts, is closed by heating closure member 25.
Together consult Fig. 2, pedestal 21 comprise in certain embodiments a surface 210 for fitting with forming body 10, for accommodate gas injection element 23 the first resettlement section 211, for accommodating second resettlement section 213 of heating closure member 25 and the first passage 215, second channel 217 and the third channel 219 that are connected with the first resettlement section 211 respectively.The size of this second resettlement section 213 is greater than this first resettlement section 211.
Surface 210 can be a plane in certain embodiments, and it closely fits in the end face of forming body 10, and forms die cavity together with forming tank 11.First resettlement section 211 can be column in certain embodiments, and perpendicular with surface 210.Second resettlement section 213 can be tubular in certain embodiments, it is surrounded on the bottom of the first resettlement section 211 and is connected with this first resettlement section 211, and both match, formation one is around the sealing boss forming space (as shown in Figure 5) of the bottom of the first resettlement section 211, to form the sealing boss around gas injection element 23 bottom in forming process.In some instances, first passage 215 is connected with the upper end of the first resettlement section 211, and second channel 217 and third channel 219 are communicated in the two opposite sides of the first resettlement section 211 respectively.In certain embodiments, as required, the pore size of first passage 215, third channel 219 and second channel 217 can be made to successively decrease.
Again as shown in Figure 2, first passage 215, second channel 217 are respectively arranged with the first accepting hole 2150, second accepting hole 2170, the 3rd accepting hole 2190 with third channel 219 with the first resettlement section 211 place of being connected, for supplying the first check valve 22, second check valve 24 and the 3rd check valve 26 accommodating (together consulting Fig. 1) respectively.The mode that first check valve 22, second check valve 24 and the 3rd check valve 26 all can adopt conventional spring to add steel ball realizes.The around openings that first accepting hole 2150, second accepting hole 2170, the 3rd accepting hole 2190 are connected with the first resettlement section 211 is also respectively arranged with the first accepting groove 2152, second accepting groove 2172, the 3rd accepting groove 2192 of annular, for supplying the first sealing ring 2154, second sealing ring 2174 and the 3rd sealing ring 2194 accommodating (together consulting Fig. 1) respectively.
As shown in Figure 3, gas injection element 23 can be column in certain embodiments, the shape and size in the cross section of the shape and size of its cross section outline and the first resettlement section 211 of pedestal 21 are suitable, so that gas injection element 23 closely can be contained in the first resettlement section 211 and to move in this first resettlement section 211.In certain embodiments, gas injection element 23 can be arranged in described first resettlement section 211 between a primary importance and a second place with moving around; When being positioned in primary importance, this gas injection element 23 bottom extend in sealing boss forming space; When being positioned in the second place, this gas injection element 23 bottom departs from from sealing boss forming space.Gas injection element 23 can move around between a primary importance (position shown in Fig. 1 and Fig. 5) near the surface 210 of pedestal 21 and the second place (position shown in Fig. 6) away from surface 210 along the length direction of the first resettlement section 211.Gas injection element 23 can comprise air tube in certain embodiments.
Gas injection element 23 can comprise four-way 230, Five-channel 232 and Hexamermis spp 234 in certain embodiments, this four-way 230, Five-channel 232 and Hexamermis spp 234 respectively with the first passage 215 of pedestal 21, second channel 217 and third channel 219 corresponding matching, to form gas injection passage, exhaust passage and reservoir channel respectively, in order to realize respectively injecting Compressed Gas in die cavity, discharging Compressed Gas and inject the operating procedures such as liquid.
Particularly, when gas injection element 23 is positioned in primary importance, as shown in Figure 5, four-way 230, Five-channel 232 and Hexamermis spp 234 are connected with second channel 217 with the first passage 215 of pedestal 21, third channel 219 respectively, form gas injection passage, exhaust passage and reservoir channel respectively, the first check valve 22, second check valve 24 and the 3rd check valve 26 are respectively used to the flow direction and the break-make that control gas or liquid in gas injection passage, exhaust passage and reservoir channel.Second sealing ring 2174 and the 3rd sealing ring 2194 are respectively used to sealing exhaust passage and reservoir channel.
When gas injection element 23 is positioned in the second place, as shown in Figure 6, gas injection element 23 departs from from sealing boss 101, and order sealing boss 101 is in treats sealing state.In addition, exhaust passage and reservoir channel disconnect, and only gas injection passage remains conducting, and the first sealing ring 2154 seals up gas injection passage.
In certain embodiments, on the upper surface that the entrance and exit of four-way 230 lays respectively at gas injection element 23 and lower surface, on the lower surface that the entrance and exit of Five-channel 232 lays respectively at gas injection element 23 and side wall surface, on the side wall surface that the entrance and exit of Hexamermis spp 234 lays respectively at gas injection element 23 and lower surface.
In certain embodiments, gas injection element 23 also comprises the 4th accepting groove 236,4th accepting groove 236 circumference is formed on gas injection element 23 sidewall, for accommodating the 4th sealing ring 2361, with the contact surface between corresponding sealed gas-filling element 23 and heating closure member 25.
As shown in Figure 4, heating closure member 25 can be tubular in certain embodiments, the shape and size in the cross section of the shape and size of its cross section outline and the second resettlement section 213 of pedestal 21 are suitable, can closely be contained in the second resettlement section 213 to heat closure member 25.In certain embodiments, heating closure member 25 is less than the length of the second resettlement section 213, makes it can move around between the 3rd position (position shown in Fig. 6) and the 4th position (position shown in Fig. 7) on a close surface 210 on a surface 210 away from pedestal 21 along the length direction of the second resettlement section 213.When being positioned on the 3rd position, heating closure member 25 is separated with sealing boss forming space, can form sealing boss 101 to allow seal in boss forming space.When being positioned on the 4th position, heating closure member 25 extend into sealing boss forming space in, with shaping sealing boss generation effect.
In certain embodiments, the central through hole heating closure member 25 can comprise the Part I 250 of a column and the Part II 252 of taper.The shape and size in the foreign steamer storehouse in the cross section of the transverse shape of Part I 250 and size and gas injection element 23 match, so that gas injection element 23 can be arranged in heating closure member 25.The upper end of Part II 252 is in close proximity to the lower end of Part I 250.Heating closure member 25 can comprise electric iron in certain embodiments.
Below in conjunction with forming process, the present invention will be further described.
When plastic parts in some embodiments of the invention adopts injection forming equipment 1 shaping, can comprise the steps:
(1) require to calculate plastic parts volume V according to part dimension and wall thickness.
(2) injected the die cavity of injection forming equipment 1 by the plastic cement melt 100 slightly larger than plastic parts volume (such as, 1.05V) by injection hole (not shown), this injection hole can be different from gas injection port.
(3) in the plastic cement melt 100 in die cavity, inject Compressed Gas by the gas injection passage of gas injection device 20, make plastic cement melt 100 under the effect of Compressed Gas, be full of whole die cavity and form sealing boss 101.Particularly, plastic cement melt 100 and surface of mould cavity contact position are first solidified, plastic cement melt 100 flow front continues flow forward along a line of least resistance under the driving of Compressed Gas simultaneously, until be full of whole die cavity, and forms the sealing boss 101 around gas injection port.
(4) according to the size setting dwell time of part, plastic cement melt 100 is attached on surface of mould cavity more equably, and coagulation forming.
(5) Compressed Gas in the plastic parts after shaping is discharged by the exhaust passage of gas injection device 20.
(6) in plastic parts, inject liquid by the reservoir channel of gas injection device 20, and reserve suitable expansion room for liquid.Particularly, suppose that the thermal coefficient of expansion of liquid is x, the volume in die cavity is V1, and the operational difference of plastic parts is Δ T, then the volume injecting liquid calculates by formula V2=(V1/ (1+x* Δ T)) * 95%.
(7) drive gas injection element 23 primary importance to be as shown in Figure 5 moved upwards up to the second place shown in Fig. 6, gas injection element 23 is departed from sealing boss 101.
(8) heating closure member 25 is heated to predetermined temperature (such as 260 DEG C);
(9) drive heating closure member 25 the 3rd position as shown in Figure 6 to move to the 4th position shown in Fig. 7, will boss 101 heat distortion be sealed and extrude the object reaching sealing to centre.
(10) cooling heating closure member 25 makes sealing solidify finally to realize liquid 200 to be sealed in plastic parts 20 inside again, finally demould taking-up forming plastic cement part.
Fig. 8 and Fig. 9 shows a kind of LED lamp housing 30, and this LED cell-shell 30 comprises the main body 301 of cup-shaped, and this main body 301 can adopt the plastic material of excellent heat dissipation performance to pass through injection mo(u)lding.Also can by the annular accommodation space 303 of formation one of gas injection near the position of opening on the sidewall of this main body 301.As shown in Figure 9, the cross section abbreviation triangle of this annular accommodation space 303.This annular accommodation space 303 is filled with the liquid such as water, cooling agent, to realize liquid auxiliary heat dissipation.Understandably, accommodation space 303 is not limited to annular, and it also can be any shape.LED cell-shell 30 can adopt above-mentioned injection forming equipment 1 and above-mentioned injection moulding method to make, particularly, as long as the shape of corresponding for cavity shape LED cell-shell 30 is carried out designing, this point for a person skilled in the art, be easy to realize, do not repeat them here.
This injection forming equipment, by arranging this closure member, while heat radiation plastic parts empty aborning, can be eliminated the charging aperture that blowing is formed, makes the surface of product keep level and smooth.Thus the technology needing two steps just can complete in the prior art is merged into a step, this LED lamp radiating shell and injection forming equipment thereof are had can seal, the simple advantage of technique.
Injection forming equipment in some embodiments of the invention can while production heat radiation plastic parts, by liquid injection in radiating piece plastic cement, to improve the radiating effect of LED lamp radiating shell, the character of liquid auxiliary heat dissipation to liquid realized by the present invention does not have anything to specially require, and just can realize with water.The present invention has saved production cost, has reduced manufacture difficulty while raising heat dispersion.
Understandable, the setting of this exhaust passage is in order to reservoir channel liquid can be injected.Not needing the occasion injecting liquid, this exhaust passage and this reservoir channel can not be set, thus simplify structure.Certainly, the injection hole of this plastic cement melt 100 also can be arranged on this gas injection element 23, thus simplifies structure.This closure member 25 can not have heating function.Because utilize this closure member 25 to extrude this plastic cement melt 100 in this plastic cement melt 100 cooling procedure and also can realize enclosing function.
It should be pointed out that for those skilled in the art, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. an injection forming equipment, the gas injection device (20) comprising forming body (10) and be connected with this forming body (10), described gas injection device (20) comprises pedestal (21) and the gas injection element (23) that is arranged in described pedestal (21) and closure member (25); This forming body (10) is provided with forming tank (11), it is characterized in that:
The first passage (215) that described pedestal (21) comprises the first resettlement section (211) for accommodating described gas injection element (23) and is connected with described first resettlement section (211) respectively; Also comprise and be arranged on this (211) bottom, the first resettlement section and the second resettlement section (213) be communicated with this first resettlement section, this closure member (25) is arranged in this second resettlement section movably;
Described gas injection element (23) comprises four-way (230), this four-way (230) coordinates with this first passage (215), form gas injection passage, this second resettlement section is connected between this first resettlement section and this forming tank, this closure member mobile can extrude the plastic cement melt (100) entering this second resettlement section, makes it seal.
2. injection forming equipment according to claim 1, is characterized in that, described pedestal (21) also comprises the second channel (217) and third channel (219) that are connected with described first resettlement section (211); Described gas injection element (23) comprises Five-channel (232) and Hexamermis spp (234), this Five-channel (232) and Hexamermis spp (234) coordinate with second channel (217) and third channel (219) respectively, form exhaust passage and reservoir channel respectively.
3. injection forming equipment according to claim 1, it is characterized in that, the size of described second resettlement section (213) is greater than the size of described first resettlement section (211), and described closure member (25) is around being arranged on this gas injection component ambient.
4. injection forming equipment according to claim 3, it is characterized in that, described closure member (25) is heating closure member, described closure member (25) is in tubular, and its central through hole comprises the Part I (250) of a column and the Part II (252) of taper; Described Part I (250) is suitable with described gas injection element (23), and the upper end of described Part II (252) is in close proximity to the lower end of described Part I (250).
5. the injection forming equipment according to any one of Claims 1-4, it is characterized in that, described gas injection element (23) can be arranged in described first resettlement section (211) between a primary importance and a second place with moving around; When being positioned in described primary importance, described gas injection element (23) bottom extend in described sealing boss forming space; When being positioned in the described second place, described gas injection element (23) bottom departs from from described sealing boss forming space.
6. the injection forming equipment according to any one of Claims 1-4, it is characterized in that, described first passage (215) is connected with the upper end of described first resettlement section (211), and described second channel (217) and described third channel (219) are communicated in the two opposite sides of described first resettlement section (211) respectively; Described gas injection element (23) is in column, and on the entrance and exit of described four-way (230) upper surface that lays respectively at gas injection element (23) and lower surface, on the lower surface that the entrance and exit of described Five-channel (232) lays respectively at described gas injection element (23) and side wall surface, on the side wall surface that the entrance and exit of described Hexamermis spp (234) lays respectively at described gas injection element (23) and lower surface.
7. injection forming equipment according to claim 6, it is characterized in that, described first passage (215), second channel (217) are respectively arranged with the first accepting hole (2150), the second accepting hole (2170), the 3rd accepting hole (2190) with third channel (219) with the first resettlement section (211) place of being connected, for supplying the first check valve (22), the second check valve (24) and the 3rd check valve (26) accommodating respectively.
8. injection forming equipment according to claim 7, it is characterized in that, the around openings that described first accepting hole (2150), the second accepting hole (2170), the 3rd accepting hole (2190) are connected with the first resettlement section (211) is also respectively arranged with the first accepting groove (2152), the second accepting groove (2172), the 3rd accepting groove (2192) of annular, for supplying the first sealing ring (2154), the second sealing ring (2174) and the 3rd sealing ring (2194) accommodating respectively.
9. injection forming equipment according to claim 6, it is characterized in that, described gas injection element (23) also comprises the 4th accepting groove (236), described 4th accepting groove (236) circumference is formed on the sidewall of described gas injection element (23), for accommodating the 4th sealing ring (2361), seal the contact surface between described gas injection element (23) and described heating closure member (25) with correspondence.
10. the LED lamp radiating shell that the injection forming equipment according to any one of claim 1 to 9 is shaping, comprise the heat sink body (301) of injection mo(u)lding, it is characterized in that, form airtight accommodation space (303) in the sidewall of this main body (301), described accommodation space is filled with auxiliary heat dissipation liquid in (303).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420459236.7U CN204322396U (en) | 2014-08-14 | 2014-08-14 | LED lamp radiating shell and injection forming equipment thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420459236.7U CN204322396U (en) | 2014-08-14 | 2014-08-14 | LED lamp radiating shell and injection forming equipment thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204322396U true CN204322396U (en) | 2015-05-13 |
Family
ID=53158796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420459236.7U Withdrawn - After Issue CN204322396U (en) | 2014-08-14 | 2014-08-14 | LED lamp radiating shell and injection forming equipment thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204322396U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104162952A (en) * | 2014-08-14 | 2014-11-26 | 立达信绿色照明股份有限公司 | LED lamp radiating shell and injection molding equipment thereof |
-
2014
- 2014-08-14 CN CN201420459236.7U patent/CN204322396U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104162952A (en) * | 2014-08-14 | 2014-11-26 | 立达信绿色照明股份有限公司 | LED lamp radiating shell and injection molding equipment thereof |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20170116 Address after: Xingtai Industrial Park Economic Development Zone, Changtai County, Fujian city of Zhangzhou province 363999 Patentee after: ZHANGZHOU LIDAXIN PHOTOELECTRON TECHNOLOGY CO., LTD. Address before: 363999 Xingda Road, Fujian city of Zhangzhou province Changtai Xingtai County Development Zone Patentee before: Leedarson Green Lighting Co., Ltd. |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20150513 Effective date of abandoning: 20170419 |
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| AV01 | Patent right actively abandoned |