CN202468521U - Cooling oil cylinder and oil cylinder cooling system for hot runner - Google Patents
Cooling oil cylinder and oil cylinder cooling system for hot runner Download PDFInfo
- Publication number
- CN202468521U CN202468521U CN2012200722235U CN201220072223U CN202468521U CN 202468521 U CN202468521 U CN 202468521U CN 2012200722235 U CN2012200722235 U CN 2012200722235U CN 201220072223 U CN201220072223 U CN 201220072223U CN 202468521 U CN202468521 U CN 202468521U
- Authority
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- China
- Prior art keywords
- oil cylinder
- water
- cylinder
- cooling oil
- cooling
- 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.)
- Expired - Fee Related
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 93
- 238000009826 distribution Methods 0.000 claims description 26
- 238000005485 electric heating Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 230000032258 transport Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 10
- 238000007789 sealing Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 239000000110 cooling liquid Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 235000019628 coolness Nutrition 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Classifications
-
- 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
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/28—Closure devices therefor
- B29C45/2806—Closure devices therefor consisting of needle valve systems
- B29C45/281—Drive means therefor
-
- 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
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2737—Heating or cooling means therefor
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a cooling oil cylinder, comprising a cylinder body, a cylinder core and a water transmission block. The cylinder core is internally arranged in the cylinder body; a first water passing hole is arranged in the lateral wall of the cylinder body; the water transmission block is arranged at the bottom of the cylinder body; a through hole is arranged in the middle of the water transmission block; a clamping ring is contained in the through hole; a valve needle is mounted on the cylinder core; the valve needle extends out from the cylinder body after passing through the clamping ring; a second water passing hole is arranged inside the water transmission block; a water passing groove is arranged on the side wall of the clamping ring; and communicated water paths are formed by oppositely connecting the first water passing hole with the water passing groove, and oppositely connecting the second water passing hole with the water passing groove. The utility model further provides an oil cylinder cooling system for a hot runner. The oil cylinder cooling system comprises a split-flow board and said cooling oil cylinder. According to the cooling oil cylinder in the embodiment of the utility model, the water paths are formed among the side wall of the cylinder body, the clamping ring and the water transmission block at the bottom of the cylinder body, so that heat of the clamping ring can be rapidly brought away. Therefore, the clamping ring and the other sealing rings on the oil cylinder can be effectively prevented from being aged, and the service life of the cooling oil cylinder can be prolonged.
Description
Technical field
The utility model relates to the hot runner mould technical field, is specifically related to a kind of cooling oil cylinder and hot runner oil cylinder cooling system, in particular for the cooling oil cylinder and the hot runner oil cylinder cooling system of injection machine.
Background technique
High speed development along with the hot runner technology; Traditional air pressure needle valve TOP-TIP is because defectives such as the less and job insecurities of its pressure; Can not satisfy production requirement fully, and cylinder system is accurate with its control, transmission stablizes, provides characteristics such as pressure is bigger more and more to receive people's favor.Cylinder system generally includes cylinder body, cylinder core.
Because hot runner mould, the heat transmission of needle and the interior friction of himself; Hydraulic jack temperature when work can constantly raise; This makes that being in the Sealing of working under the high ambient conditions for a long time is more prone to ageing failure; Shorten the working life of oil cylinder, influence the proper functioning of TOP-TIP.
The model utility content
The utility model provides a kind of cooling oil cylinder, can solve in the oil cylinder working procedure because the overheated burn-in effects that miscellaneous part brought to oil cylinder of needle.
The utility model provides a kind of cooling oil cylinder, comprising: cylinder body, cylinder core and fortune water piece, the built-in cylinder core of cylinder body; Have first water port in the cylinder side wall, cylinder base is fortune water piece, has through hole in the middle of the fortune water piece; The ccontaining collar of this through hole is equipped with needle on the cylinder core, and needle passes collar and extends to outside the cylinder body; Built-in second water port of fortune water piece, the collar sidewall has water-flowing trough, and first water port, second water port and water-flowing trough are to being connected into the water route of a connection.
The utility model also provides a kind of hot runner oil cylinder cooling system; Comprise: flow distribution plate and above-mentioned cooling oil cylinder; The cooling oil cylinder is fixed on the flow distribution plate, has hot runner in the flow distribution plate, and hot runner has runner inlet and runner exit; The place is equipped with heat flow tube at runner exit, and the needle of cooling oil cylinder passes the ozzle that flow distribution plate extends to heat flow tube.
Preferably, the cooling oil cylinder is fixed on the flow distribution plate through supporting post.
Technique scheme can be found out; Because the cooling oil cylinder among the utility model embodiment forms the water route between the fortune water piece of cylinder side wall, bottom and collar; Can apace the collar heat be taken away; Therefore can prevent effectively that other seal rings on collar and the oil cylinder are aging, improve the working life of cooling oil cylinder.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the worm's eye view of cooling oil cylinder among the utility model embodiment 1;
Fig. 2 is an A-A face sectional view among Fig. 1;
Fig. 3 is a B-B face sectional view among Fig. 1;
Fig. 4 is a C-C face sectional view among Fig. 1;
Fig. 5 is the worm's eye view of fortune water piece among the utility model embodiment 1;
Fig. 6 is a D-D face sectional view among Fig. 5;
Fig. 7 is an E-E face sectional view among Fig. 5;
Fig. 8 is the sectional structure chart of hot runner oil cylinder cooling system among the utility model embodiment 2.
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technological scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making all other embodiments that obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment 1:
The utility model embodiment provides a kind of cooling oil cylinder, comprising: cylinder body, cylinder core and fortune water piece, the built-in cylinder core of cylinder body; Have first water port in the cylinder side wall, cylinder base is fortune water piece, has through hole in the middle of the fortune water piece; The ccontaining collar of this through hole is equipped with needle on the cylinder core, and needle passes collar and extends to outside the cylinder body; Built-in second water port of fortune water piece, the collar sidewall has water-flowing trough, and first water port, second water port and water-flowing trough are to being connected into the water route of a connection.
Particularly, make detailed description in conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7.
See Fig. 2, Fig. 4, cylinder body 1 built-in cylinder core 2, cylinder body 1 bottom is fortune water piece 3; Be fixed together through long screw 11 between cylinder body 1 and 3 in the water of fortune; Long screw 11 runs through fortune water piece 3 and can be fixed on other equipment, in order further to reinforce cylinder body 1 and to transport being connected between the water piece 3, has upwards connected screw hole 31 in fortune water piece 3 bottoms; And offered flight with these screw hole 31 corresponding positions at cylinder body, so just can use screw or double-screw bolt that cylinder body 1 is further fixing with fortune water piece 3.Fluid mouth 12, fluid mouth 13 have been offered on the sidewall of cylinder body 1; It is understandable that fluid mouth 12 and fluid mouth 13 are connected with hydraulic pressure installation, the fluid flow direction of hydraulic pressure installation control fluid mouth 12 and fluid mouth 13, thus control cylinder core 2 moves up and down; The sidewall of cylinder core 2 is provided with seal groove; Seal ring is housed in seal groove, can guarantees that cylinder core 2 does not have the gap with the inwall of cylinder body 1 and contacts, prevent leakage of oil.Fortune water piece 3 is provided with draw-in groove 14, the draw-in groove 34 of working in coordination with cylinder body 1 in the joint; Be provided with bayonet lock stationary housing 1 and fortune water piece 3 in draw-in groove 14 and the draw-in groove 34; So just, help cylinder body 1 and 3 contrapositions fast in the process of installing of fortune water piece, and can prevent to transport relatively rotating between water piece 3 and the cylinder body 1.Collar 4 is fixed in the through hole of fortune water piece 3, and spool 5 is installed on the cylinder core 2, and spool 5 passes collar 4 and extends to outside the cylinder body 1.
See Fig. 3, have first water port 15 in cylinder body 1 sidewall, fortune water piece 3 built-in second water ports 35, collar 4 sidewalls have water-flowing trough 45, the first water ports 15, second water port 35 and 45 pairs of water routes that are connected into a connection of water-flowing trough.It is understandable that first water port 15 is external cooling liquid storage facilities, the end in first water port 15 flows into cooling liquid, and this cooling liquid just circulates through described water route.Because said water route has surrounded collar 4, therefore can timely the heat on the collar 4 be taken away; The heat that cylinder body 1 and 2 frictions of cylinder core are produced can in time be taken away through the sidewall of cylinder body 1 in the water route therefore; The water route can in time take away to the heat of fortune water piece other device transmission, for example through the fortune water piece 3 of cylinder body 1 bottom; When the cooling oil cylinder is fixed on the flow distribution plate of injection machine equipment; Fortune water piece 3 directly contacts with flow distribution plate, and flow distribution plate belongs to heater, can give fortune water piece 3 with heat delivered.The bottom of fortune water piece 3 can also be connected with and be used for the cooling oil cylinder is fixed on the supporting post on other equipment, and supporting post can also reduce the heat transmission of other equipment to fortune water piece 3 when playing fixed supporting role.
Be tightly connected in order to guarantee to form between collar 4 and the fortune water piece 3; Between collar 4 and fortune water piece 3, be provided with the seal ring 6 that is used for waterproof; Seal ring 6 is distributed in the upper and lower sides of water-flowing trough 45; The seal ring that is arranged in water-flowing trough 45 upsides can prevent that the water of water-flowing trough from entering into cylinder body 1, and the seal ring that is arranged in water-flowing trough 45 downsides can prevent that the water of water-flowing trough 45 from draining to the cooling oil cylinder and influencing other equipment outward.As a same reason, the joint in first water port 15 and second water port 35 is provided with the seal ring 7 that is used for waterproof, guarantees the sealing in said water route.
Below in conjunction with Fig. 5, Fig. 6, Fig. 7 the structure of the fortune water piece 3 in the present embodiment is made detailed introduction.
See Fig. 5, have through hole 36 at the middle part of fortune water piece, the internal diameter size of this through hole 36 should be consistent with the external diameter size of above-mentioned collar 4, makes collar 4 just in time be contained in this through hole 36.
See Fig. 6, Fig. 7, the draw-in groove 34 on the fortune water piece should be corresponding with the draw-in groove 14 on the cylinder body 1, and second water port 35 is corresponding unimpeded to guarantee said water route with water-flowing trough 45 on collar 4 circumference.In order to let above-mentioned long screw 11 can run through fortune water piece 3, on fortune water piece, be provided with screw hole 37 accordingly.
Embodiment 2:
As shown in Figure 8; Hot runner oil cylinder cooling system in the present embodiment comprises: flow distribution plate 9 and cooling oil cylinder 8; The cooling oil cylinder that cooling oil cylinder 8 among the utility model embodiment adopts in the foregoing description 1; Concrete introduction for this cooling oil cylinder can be repeated no more referring to the detailed description among the embodiment 1 here.Cooling oil cylinder 8 is fixed on the flow distribution plate 9; Has hot runner 91 in the flow distribution plate 9; Hot runner 91 has runner inlet 911 and runner exit 912, and 912 places are equipped with heat flow tube 92 at runner exit, and the needle 5 of cooling oil cylinder 8 passes the ozzle 921 that flow distribution plate 9 extends to heat flow tube 92.It is understandable that, can be provided with a plurality of runner exits on the flow distribution plate 9, and, make a plurality of runner exits work simultaneously, promote working efficiency at the corresponding installation cooling oil cylinder of each runner exit.
As the preferred implementation in the present embodiment, cooling oil cylinder 8 is fixed on the flow distribution plate 9 through supporting post 81, can reduce the heat transmission of 9 pairs of coolings of flow distribution plate oil cylinder 8.
In order to guarantee to have good flowability in the hot runner 91 of liquid in flow distribution plate 9, be installed on heating tube 93 on the flow distribution plate 9.This heating tube 93 can be installed in the upper side of flow distribution plate, also can be installed in the downside of flow distribution plate, as mode more preferably, in the present embodiment heating tube 93 is installed on the whole flow distribution plate 9 with the form of twining.Be appreciated that equally; In order to guarantee that liquid has good flowability in heat flow tube 92; Be wound with electric heating wire 922 on the tube wall of heat flow tube 92, electric heating wire 922 can directly be wrapped on the tube wall of heat flow tube 92, in order to guarantee the trouble free service of electric heating wire 922; Electric heating wire 922 is wrapped in the tube wall of heat flow tube 92 in the present embodiment, and this canoe can be accomplished when making heat flow tube in the lump.
More than a kind of cooling oil cylinder and hot runner oil cylinder cooling system that the utility model embodiment is provided carried out detailed introduction; Used concrete example among this paper the principle and the mode of execution of the utility model are set forth, above embodiment's explanation just is used to help to understand the core concept of the utility model; Simultaneously, for one of ordinary skill in the art, according to the thought of the utility model, the part that on embodiment and application area, all can change, in sum, this description should not be construed as the restriction to the utility model.
Claims (9)
1. a cooling oil cylinder is characterized in that, comprising: cylinder body, cylinder core and fortune water piece, the built-in cylinder core of cylinder body; Have first water port in the cylinder side wall, cylinder base is fortune water piece, has through hole in the middle of the fortune water piece; The ccontaining collar of this through hole is equipped with needle on the cylinder core, and needle passes collar and extends to outside the cylinder body; Built-in second water port of fortune water piece, the collar sidewall has water-flowing trough, and first water port, second water port and water-flowing trough are to being connected into the water route of a connection.
2. a kind of cooling oil cylinder as claimed in claim 1 is characterized in that: be provided with the seal ring that is used for waterproof between collar and the fortune water piece.
3. according to claim 1 or claim 2 a kind of cooling oil cylinder, it is characterized in that: fortune water piece is provided with the draw-in groove of working in coordination with cylinder body in the joint, is provided with the bayonet lock stationary housing in the draw-in groove and transports the water piece.
4. according to claim 1 or claim 2 a kind of cooling oil cylinder, it is characterized in that: the joint of first water port and second water port is provided with the seal ring that is used for waterproof.
5. according to claim 1 or claim 2 a kind of cooling oil cylinder, it is characterized in that: the bottom of fortune water piece is connected with and is used for the cooling oil cylinder is fixed on the supporting post on other equipment.
6. hot runner oil cylinder cooling system; It is characterized in that, comprising: any described cooling oil cylinder in flow distribution plate and the claim 1 to 5, the cooling oil cylinder is fixed on the flow distribution plate; Has hot runner in the flow distribution plate; Hot runner has runner inlet and runner exit, and the place is equipped with heat flow tube at runner exit, and the needle of cooling oil cylinder passes the ozzle that flow distribution plate extends to heat flow tube.
7. a kind of hot runner oil cylinder cooling system as claimed in claim 6 is characterized in that: the cooling oil cylinder is fixed on the flow distribution plate through supporting post.
8. like claim 6 or 7 described a kind of hot runner oil cylinder cooling systems, it is characterized in that: twine electric heating wire on the tube wall of heat flow tube.
9. like claim 6 or 7 described a kind of hot runner oil cylinder cooling systems, it is characterized in that: be installed on heating tube on the flow distribution plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200722235U CN202468521U (en) | 2012-02-29 | 2012-02-29 | Cooling oil cylinder and oil cylinder cooling system for hot runner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200722235U CN202468521U (en) | 2012-02-29 | 2012-02-29 | Cooling oil cylinder and oil cylinder cooling system for hot runner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202468521U true CN202468521U (en) | 2012-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200722235U Expired - Fee Related CN202468521U (en) | 2012-02-29 | 2012-02-29 | Cooling oil cylinder and oil cylinder cooling system for hot runner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202468521U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103507240A (en) * | 2013-09-18 | 2014-01-15 | 苏州好特斯模具有限公司 | Water-cooled cylinder |
| CN104265737A (en) * | 2014-09-12 | 2015-01-07 | 苏州好特斯模具有限公司 | Rapid cooling waterway supporting plate |
| CN104441490A (en) * | 2014-12-24 | 2015-03-25 | 沈坚 | Cylinder cover for water-cooled single-point needle valve |
| CN104441491A (en) * | 2014-12-24 | 2015-03-25 | 沈坚 | Cylinder for water-cooled single-point needle valve |
| CN104827628A (en) * | 2015-05-05 | 2015-08-12 | 浙江恒道科技有限公司 | Oil and gas universal driving cylinder with buffering function |
| CN105584012A (en) * | 2014-11-14 | 2016-05-18 | 英格斯模具制造（中国）有限公司 | Detachable cooling waterway insert and oil cylinder provided with same |
| TWI555627B (en) * | 2014-11-04 | 2016-11-01 | 丁裕釗 | Pre-set type hot runner device having valve needle |
| CN106217768A (en) * | 2016-07-27 | 2016-12-14 | 苏州好特斯模具有限公司 | Thermostatic type oil gas cylinder single-point needle valve hot flow path |
| CN108506271A (en) * | 2018-03-29 | 2018-09-07 | 重庆维庆液压机械有限公司 | Hydraulic cylinder with automatic cooling effect |
| CN110126208A (en) * | 2019-04-15 | 2019-08-16 | 东莞市贝斯特热流道科技有限公司 | A kind of flow distribution plate and hot runner system |
| IT201900000647A1 (en) * | 2019-01-15 | 2020-07-15 | Inglass Spa | CONDITIONED JACK FOR PLASTIC INJECTION MOLDING EQUIPMENT |
-
2012
- 2012-02-29 CN CN2012200722235U patent/CN202468521U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103507240A (en) * | 2013-09-18 | 2014-01-15 | 苏州好特斯模具有限公司 | Water-cooled cylinder |
| CN104265737A (en) * | 2014-09-12 | 2015-01-07 | 苏州好特斯模具有限公司 | Rapid cooling waterway supporting plate |
| TWI555627B (en) * | 2014-11-04 | 2016-11-01 | 丁裕釗 | Pre-set type hot runner device having valve needle |
| CN105584012A (en) * | 2014-11-14 | 2016-05-18 | 英格斯模具制造（中国）有限公司 | Detachable cooling waterway insert and oil cylinder provided with same |
| CN104441491A (en) * | 2014-12-24 | 2015-03-25 | 沈坚 | Cylinder for water-cooled single-point needle valve |
| CN104441490A (en) * | 2014-12-24 | 2015-03-25 | 沈坚 | Cylinder cover for water-cooled single-point needle valve |
| CN104827628A (en) * | 2015-05-05 | 2015-08-12 | 浙江恒道科技有限公司 | Oil and gas universal driving cylinder with buffering function |
| CN106217768A (en) * | 2016-07-27 | 2016-12-14 | 苏州好特斯模具有限公司 | Thermostatic type oil gas cylinder single-point needle valve hot flow path |
| CN108506271A (en) * | 2018-03-29 | 2018-09-07 | 重庆维庆液压机械有限公司 | Hydraulic cylinder with automatic cooling effect |
| CN108506271B (en) * | 2018-03-29 | 2019-12-03 | 重庆维庆液压机械有限公司 | Hydraulic cylinder with automatic cooling effect |
| IT201900000647A1 (en) * | 2019-01-15 | 2020-07-15 | Inglass Spa | CONDITIONED JACK FOR PLASTIC INJECTION MOLDING EQUIPMENT |
| CN111434480A (en) * | 2019-01-15 | 2020-07-21 | 英格拉斯股份公司 | Adjustable lifter for injection moulding apparatus for plastic material |
| WO2020148591A1 (en) * | 2019-01-15 | 2020-07-23 | Inglass S.P.A. | Conditioned jack for injection molding apparatus of plastic materials |
| US11325292B2 (en) | 2019-01-15 | 2022-05-10 | Inglass S.P.A. | Conditioned jack for injection molding apparatus of plastic materials |
| CN110126208A (en) * | 2019-04-15 | 2019-08-16 | 东莞市贝斯特热流道科技有限公司 | A kind of flow distribution plate and hot runner system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN MOULD-TIP INJECTION TECHNOLOGY LIMITED Free format text: FORMER NAME: MOULD-TIP INJECTION TECHNOLOGY (SHENZHEN) LIMITED |
|
| CP03 | Change of name, title or address |
Address after: 518132 Guangdong province Shenzhen Guangming New District Gongming office. The community Fifth Industrial Zone sixth, Sixth Industrial District sixteenth Building 1 floor 3 floor Patentee after: Mai Shidefu Science and Technology Co., Ltd. of Shenzhen Address before: 518132 Guangdong province Shenzhen Guangming New District Gongming office. The community Sixth Industrial District sixteenth Building 1 floor, 2 floor, A District, 3 floor Patentee before: Mould-Tip (Shenzhen) Injection Technology Limited |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20200229 |