CN202206878U - Cigarette liquid atomization device of an electric cigarette - Google Patents
Cigarette liquid atomization device of an electric cigarette Download PDFInfo
- Publication number
- CN202206878U CN202206878U CN2011203299869U CN201120329986U CN202206878U CN 202206878 U CN202206878 U CN 202206878U CN 2011203299869 U CN2011203299869 U CN 2011203299869U CN 201120329986 U CN201120329986 U CN 201120329986U CN 202206878 U CN202206878 U CN 202206878U
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- China
- Prior art keywords
- heating wire
- cotton
- thread bush
- tobacco juice
- fiberglass tubes
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Abstract
The utility model discloses a cigarette liquid atomization device of an electric cigarette, comprising an atomization device mounted in an atomization sleeve, a suction nozzle assembly and an electrode connection piece respectively cooperatedly mounted on two ends of the atomization sleeve, wherein the electrode connection piece comprises: positive, negative electrode connection pieces; the atomization device comprises a glass fiber pipe, a glass fiber core, a heating wire, a cotton cloth and a fiber cotton; the heating wire is adhered on the glass fiber core, the cotton cloth is enwrapped on an outer wall of the glass fiber pipe and an exposed end of the glass fiber core is tightly pressed between the cotton cloth and the glass fiber pipe; the fiber cotton is enwrapped on the outer part of the cotton cloth and an annular space for housing the cigarette liquid is formed between the cotton cloth and the fiber cotton, characterized in that: the end of the glass fiber core and two ends of the heating wire extend outside through the glass fiber pipe. Two ends of the heating wire are directly used as a conduction wire for connecting with a power source and connected with the positive, negative electrode connection pieces of the power source, thus the use of the solder tin is prevented, therefore the foreign flavor generated by the electric cigarette at high temperature is eliminated, the structure is simple and the cigarette liquid atomization device also facilitates the environment protection.
Description
Technical field
The utility model relates to the electronic cigarette field, relates in particular to a kind of tobacco juice atomising device of electronic cigarette.
Background technology
Cigarette extensively receives especially liking of men of people as a kind of preference.Yet the tar in the cigarette is harmful to the health of human body, and it is carcinogens that tens of kinds of compositions are wherein arranged, and secondary smoking is also very big to the harm that the non-smoker causes, and therefore in most of public arenas the regulation that no smoking is arranged all.But concerning a smoker, want to accomplish that non-smoking is very very difficult thing.So, a lot of cigarette substitutes has just appearred on the market, and modal is a kind of non-combustible electronic atomized cigarette that does not contain harmful tar.
Electronic cigarette in the market mostly is an overall structure; The front end of electronic cigarette is mainly electric supply installation; The rear end is mainly atomising device, is atomising device power supply time through electric supply installation, and the LED lamp of electric supply installation also can be lighted and situation during the simulated cigarette burning.
Atomizer of the prior art is drawn together fiberglass tubes, glass core, heating wire, cotton and cellucotton, and heating wire is wrapped on the glass core, and said heating wire is positioned at the inside of fiberglass tubes; Said cotton is wrapped on the outer wall of fiberglass tubes, and the end of exposing of glass core is pressed between cotton and fiberglass tubes; Said cellucotton is wrapped in outside the cotton, is formed for the hoop space of ccontaining tobacco juice between said cotton and the cellucotton, two leads of welding on heating wire, and lead extracts the both positive and negative polarity that is connected to power supply from fiberglass tubes.
General use is plumbous type solder flux in the time of welding, but also uses the welding auxiliary agents such as treasured of weldering.Electronic cigarette when in use, internal temperature is higher, can cause some peculiar smell, and solder flux, auxiliary agent generally all are little poison, suction also can cause certain injury to health for a long time.
The utility model content
The purpose of the utility model is to solve the problem that exists in the prior art, and a kind of tobacco juice atomising device of electronic cigarette is provided, and has eliminated the peculiar smell that produces when sucking electronic cigarette effectively, and it is simple in structure, and is beneficial to environmental protection.
The technical scheme of the utility model is: a kind of tobacco juice atomising device of electronic cigarette; Comprise that being installed on atomizing overlaps interior atomizer, cooperates component suction nozzle and the electrode connecting parts that is installed on said atomizing cover two ends respectively, said electrode connecting parts comprises the positive and negative electrode connector; Said atomizer comprises fiberglass tubes, glass core, heating wire, cotton and cellucotton; Said heating wire is attached on the glass core, and said heating wire is positioned at fiberglass tubes; Said cotton is wrapped on the outer wall of fiberglass tubes, and the end of exposing of glass core is pressed between cotton and fiberglass tubes; Said cellucotton is wrapped in outside the cotton; Be formed for the hoop space of ccontaining tobacco juice between said cotton and the cellucotton; The end of said glass core and the two ends of heating wire all outwards pass through fiberglass tubes; Said heating wire one end is connected with the positive electrode connector, and the other end is connected with the negative electrode connector.
Preferably: said heating wire is the spring heating wire, and said glass core pierces into and stretch out the spring spiral coil of heating wire.
Preferably: said negative electrode connector is for having internal thread or externally threaded thread bush, and said anodal connector is an electrode retaining collar; Said thread bush cooperates an end that is installed on the atomizing cover, and said electrode retaining collar is installed on the inside of thread bush, is provided with the dead ring of realizing electrical isolation between said thread bush and the electrode retaining collar.
Preferably: an end of said heating wire is pressed between thread bush and the dead ring, thereby connects with the negative electrode connector; The other end is pressed between dead ring and the electrode retaining collar, thereby links together with the positive electrode connector.
Preferably: also be provided with suction nozzle cover and oil blocking ring, said suction nozzle cover cooperates an end that is installed on the atomizing cover, and said oil blocking ring is installed between atomizer and the suction nozzle cover.
Preferably: said fiberglass tubes comprises body; Have two slotted openings that always lead to body upper end-face edge place on the sidewall of said body; One end of said glass core and an end of heating wire are in a slotted opening; The other end of said glass core and the other end of heating wire are stuck in another slotted opening, and said cotton encases said slotted opening on the outer wall of fiberglass tubes.
Preferably: the fiberglass tubes that is divided into both sides by said slotted opening is opened V-shaped, and inserts respectively in the groove that thread bush offers, and gets up with silica stationary around it.
Preferably: said thread bush is fixed on the inwall of atomizer cover, on the contact-making surface of atomizer and thread bush, also is provided with O shape circle, and said O shape is enclosed and is installed in the O shape groove that the thread bush outer wall offers.
The beneficial effect of the utility model is: the lead that connects power supply is directly served as at the two ends of heating wire; The two ends of heating wire directly are connected on the positive and negative electrode connector of power supply; Avoided the use of scolding tin; Thereby eliminated electronic cigarette and made the peculiar smell of generation at high temperature, simple in structure, and be beneficial to environmental protection; On the contact-making surface of thread bush and atomizing cover, be provided with O type circle, stoped the leakage of tobacco juice effectively.
Description of drawings
Fig. 1 is the cutaway view at the utility model heating wire place;
Fig. 2 is the cutaway view at the utility model fiberglass tubes place;
Fig. 3, Fig. 4 are the structural representation of second kind of embodiment of thread bush in the utility model;
Fig. 5, Fig. 6 are the structural representation of second kind of embodiment at suction nozzle place in the utility model;
Fig. 7, Fig. 8 are the thread bush of the utility model, the structural representation of the another kind of combination in suction nozzle place;
Fig. 9 is the explosive view of tobacco juice atomising device among Fig. 1, Fig. 2;
Figure 10 is the explosive view of tobacco juice atomising device among Fig. 5, Fig. 6;
Figure 11 is the structural representation of the utility model fiberglass tubes;
Figure 12 uses the structural representation of novel heating wire for this.
The specific embodiment
Below in conjunction with accompanying drawing the described tobacco juice atomising device of the utility model is described further.
Like Fig. 1,2 and shown in Figure 9, said tobacco juice atomising device comprises electrode connecting parts, atomizer and component suction nozzle, and said atomizer is installed in the atomizing cover 10, and said electrode connecting parts and component suction nozzle cooperate the two ends that are installed on atomizing cover 10 respectively.Said electrode connecting parts comprises the positive and negative electrode connector; In the present embodiment, thread bush 3 forms this anode connector and anodal connector respectively with electrode retaining collar 1, wherein; Thread bush 3 cooperates an end that is installed on atomizing cover 10; Electrode retaining collar 1 is installed on the inside of thread bush 3, and is isolated through dead ring 2 between thread bush 3 and the electrode retaining collar 1, realizes the purpose that insulate mutually between positive and negative electrode.Said thread bush 3 can adopt the external thread sleeve shown in the inner screw sheath shown in Fig. 1 and 2 or Fig. 3 and 4, and the thread bush 3 of said tobacco juice atomising device should spin mutually with the thread bush of the electric supply installation of electronic cigarette.
Said atomizer comprises fiberglass tubes 7, glass core 6, heating wire 5, cotton 8 and cellucotton 9.Said heating wire 5 is a spring heating wire 5, and this heating wire is according to the explained hereafter moulding of processed springs, and is shown in figure 12.6 in glass core is through in the spring spiral coil after 5 moulding of heating wire, and respectively exposes the suitable glass core of a segment length at the heating wire two ends.Said heating wire 5 is positioned at fiberglass tubes 7; The two ends of said glass core 6 and heating wire 5 outwards pass through fiberglass tubes 7, and said cotton 8 is wrapped on the outer wall of fiberglass tubes 7, and the end of exposing of glass core 6 is pressed between cotton 8 and fiberglass tubes 7; It is the outside that cotton 8 wraps in the glass core tightly; It is fully combined with glass core 6, and in addition, said cotton 8 can be sealed the formed gap of opening part that fiberglass tubes 7 supplies glass core 6 and heating wire 5 to pass; Add the tobacco juice tool and be a bit sticky, cotton 8 just can prevent effectively that tobacco juice from flowing into fiberglass tubes 7 inside from this gap.Said cellucotton 9 is wrapped in outside the cotton 8; Tobacco juice then is stored in the hoop space that cotton 8 and cellucotton 9 surrounded; Atomizing cover 10 then is placed in cellucotton 9 outsides; Present embodiment is through cellucotton 9, cotton 8 and glass core 6 absorbing and storing tobacco juices, with and be that heating wire provides enough atomizing tobacco juices uninterruptedly.
In fiberglass tubes 7 that heating wire 6 is packed into, and be convenient to draw glass core 6 and heating wire 5 through fiberglass tubes 7, said fiberglass tubes 7 can adopt structure shown in figure 11; Said fiberglass tubes 7 comprises body 71; Have two slotted openings 72 that always lead to the upper end-face edge place of body 71 on the sidewall of said body 71, like this, an end of glass core 6 and an end of heating wire 6 are stuck in the slotted opening 72; And the other end of glass core and the other end of heating wire 5 be stuck in another slotted opening 72; And move down fiberglass tubes 7, and glass core 6 and heating wire 5 are moved to the closed bottom of slotted opening 72, slotted opening 72 is divided into both sides with an end of fiberglass tubes 7; The both sides fiberglass tubes is opened V-shaped and is separately fixed in the groove that thread bush 3 offers, on every side with silica gel 110 sealings.So far, just can heating wire 5 be fixed on the inside of fiberglass tubes 7.Because the narrower in width of slotted opening 72,, therefore, under the stickiness effect of the package action of cotton 8 and tobacco juice, can prevent that fully tobacco juice from passing through the inside of slotted opening 72 inflow fiberglass tubes 7 as long as glass core 6 can block within it with heating wire 5 just.The two ends of heating wire 5 divide insert between thread bush 3 and the dead ring 2 and electrode retaining collar 1 and dead ring 2 between be electrically connected, with when thread bush 3 and the electrode retaining collar 1 external electric supply installation, can be that heater strip 5 is supplied power through electric supply installation.On the contact-making surface of thread bush and atomizing cover, also be provided with the oil resistance device, such as be provided with the O type circle 4 of a silica gel, it is installed in the O type groove of thread bush 3, seal through sealing substances such as silica gel when the cover 10 that will atomize presses, and prevent that tobacco juice from spilling.
Like Fig. 5,6,7, shown in 8 and 10, said suction nozzle cover 12 cooperates the other end that is installed on atomizing cover 10.Suction nozzle cover 12 adopts silica gel material, can play the effect of oil resistance, and tobacco juice can be drawn onto tobacco juice the dirty smoker of sening as an envoy to of the effect of suction force in the time of can effectively preventing to aspirate through suction nozzle cover 12; And can easily suction nozzle cover 12 be taken off, electronic cigarette is carried out the secondary oiling.
Like Fig. 1, shown in 2 and 9; Component suction nozzle also can comprise oil blocking ring 11 and suction nozzle cover 12; Said suction nozzle cover 12 cooperates the other end that is installed on atomizing cover 10, and oil blocking ring 11 is installed between atomizer and the suction nozzle cover 12, and said oil blocking ring 11 adopts silica gel material; Tobacco juice can flow out under the effect of suction force when preventing to aspirate through oil blocking ring 11, and suction nozzle cover 12 can prevent further that then the smoker is drawn onto tobacco juice.
Being merely the utility model preferred embodiment in sum, is not the practical range that is used for limiting the utility model.Be that all equivalences of doing according to the content of the utility model claim change and modification, all should belong to the technological category of the utility model.
Claims (8)
1. the tobacco juice atomising device of an electronic cigarette comprises that being installed on atomizing overlaps interior atomizer, cooperates component suction nozzle and the electrode connecting parts that is installed on said atomizing cover two ends respectively, and said electrode connecting parts comprises the positive and negative electrode connector; Said atomizer comprises fiberglass tubes, glass core, heating wire, cotton and cellucotton; Said heating wire is attached on the glass core, and said heating wire is positioned at fiberglass tubes; Said cotton is wrapped on the outer wall of fiberglass tubes, and the end of exposing of glass core is pressed between cotton and fiberglass tubes; Said cellucotton is wrapped in outside the cotton; Be formed for the hoop space of ccontaining tobacco juice between said cotton and the cellucotton; It is characterized in that: the end of said glass core and the two ends of heating wire all outwards pass through fiberglass tubes; Said heating wire one end is connected with the positive electrode connector, and the other end is connected with the negative electrode connector.
2. tobacco juice atomising device according to claim 1 is characterized in that: said heating wire is the spring heating wire, and said glass core pierces into and stretch out the spring spiral coil of heating wire.
3. tobacco juice atomising device according to claim 1 is characterized in that: said negative electrode connector is for having internal thread or externally threaded thread bush, and said anodal connector is an electrode retaining collar; Said thread bush cooperates an end that is installed on the atomizing cover, and said electrode retaining collar is installed on the inside of thread bush, is provided with the dead ring of realizing electrical isolation between said thread bush and the electrode retaining collar.
4. tobacco juice atomising device according to claim 3 is characterized in that: an end of said heating wire is pressed between thread bush and the dead ring, thereby connects with the negative electrode connector; The other end is pressed between dead ring and the electrode retaining collar, thereby links together with the positive electrode connector.
5. tobacco juice atomising device according to claim 1 is characterized in that: also be provided with suction nozzle cover and oil blocking ring, said suction nozzle cover cooperates an end that is installed on the atomizing cover, and said oil blocking ring is installed between atomizer and the suction nozzle cover.
6. according to each described tobacco juice atomising device in the claim 1 to 5; It is characterized in that: said fiberglass tubes comprises body; Have two slotted openings that always lead to body upper end-face edge place on the sidewall of said body; One end of said glass core and an end of heating wire are in a slotted opening, and the other end of said glass core and the other end of heating wire are stuck in another slotted opening, and said cotton encases said slotted opening on the outer wall of fiberglass tubes.
7. tobacco juice atomising device according to claim 6 is characterized in that: the fiberglass tubes that is divided into both sides by said slotted opening is opened V-shaped, and inserts respectively in the groove that thread bush offers, and gets up with silica stationary around it.
8. tobacco juice atomising device according to claim 7 is characterized in that: said thread bush is fixed on the inwall of atomizer cover, on the contact-making surface of atomizer and thread bush, also is provided with O shape circle, and said O shape is enclosed and is installed in the O shape groove that the thread bush outer wall offers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203299869U CN202206878U (en) | 2011-09-05 | 2011-09-05 | Cigarette liquid atomization device of an electric cigarette |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203299869U CN202206878U (en) | 2011-09-05 | 2011-09-05 | Cigarette liquid atomization device of an electric cigarette |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202206878U true CN202206878U (en) | 2012-05-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203299869U Expired - Lifetime CN202206878U (en) | 2011-09-05 | 2011-09-05 | Cigarette liquid atomization device of an electric cigarette |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202206878U (en) |
Cited By (14)
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| CN102894485A (en) * | 2012-10-23 | 2013-01-30 | 深圳市合元科技有限公司 | Atomization device for electronic cigarette as well as atomizer and electronic cigarette |
| CN102920028A (en) * | 2012-11-15 | 2013-02-13 | 深圳市合元科技有限公司 | Atomizer for electronic cigarette and electronic cigarette |
| WO2014032276A1 (en) * | 2012-08-31 | 2014-03-06 | Liu Qiuming | Electronic cigarette with multiple tastes |
| WO2014106329A1 (en) * | 2013-01-05 | 2014-07-10 | Liu Qiuming | Electronic cigarette device, electronic cigarette and atomization device thereof |
| WO2014110717A1 (en) * | 2013-01-15 | 2014-07-24 | Liu Qiuming | Organic cotton electronic cigarette |
| CN104023570A (en) * | 2012-08-31 | 2014-09-03 | 刘秋明 | Electronic cigarette and electronic cigarette device |
| WO2014153744A1 (en) * | 2013-03-27 | 2014-10-02 | 吉瑞高新科技股份有限公司 | Electronic cigarette |
| EP2801270A3 (en) * | 2013-05-07 | 2015-01-21 | Shenzhen First Union Technology Co., Ltd. | Atomizing device and electronic cigarette having same |
| WO2015123831A1 (en) * | 2014-02-19 | 2015-08-27 | 吉瑞高新科技股份有限公司 | Electronic cigarette and method for assembling same |
| CN105340360A (en) * | 2013-03-15 | 2016-02-17 | 菲利普莫里斯生产公司 | Method of manufacture for heater assembly for use with liquid filled cartridge |
| WO2016023183A1 (en) * | 2014-08-13 | 2016-02-18 | 惠州市吉瑞科技有限公司 | Atomizer and electronic cigarette |
| CN105661648A (en) * | 2016-02-29 | 2016-06-15 | 深圳麦克韦尔股份有限公司 | Electronic cigarette, atomization device thereof and assembling method of atomization device |
| CN106617323A (en) * | 2017-03-13 | 2017-05-10 | 重庆中烟工业有限责任公司 | Electronic cigarette atomizer |
| CN107568798A (en) * | 2016-07-05 | 2018-01-12 | 朱晓春 | Top air inlet atomizer assembly and the electronic cigarette with top air inlet atomizer assembly |
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2011
- 2011-09-05 CN CN2011203299869U patent/CN202206878U/en not_active Expired - Lifetime
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| EP2740371A4 (en) * | 2012-08-31 | 2015-07-22 | Kimree Hi Tech Inc | Electronic cigarette and electronic cigarette device |
| WO2014032276A1 (en) * | 2012-08-31 | 2014-03-06 | Liu Qiuming | Electronic cigarette with multiple tastes |
| EP2732713A4 (en) * | 2012-08-31 | 2015-07-22 | Kimree Hi Tech Inc | Electronic cigarette with multiple tastes |
| JP2014528718A (en) * | 2012-08-31 | 2014-10-30 | 劉 秋明LIU, Qiuming | Multi-flavored electronic cigarette |
| CN104023570A (en) * | 2012-08-31 | 2014-09-03 | 刘秋明 | Electronic cigarette and electronic cigarette device |
| CN104023569A (en) * | 2012-08-31 | 2014-09-03 | 刘秋明 | Electronic Cigarette With Multiple Tastes |
| CN102894485A (en) * | 2012-10-23 | 2013-01-30 | 深圳市合元科技有限公司 | Atomization device for electronic cigarette as well as atomizer and electronic cigarette |
| CN102894485B (en) * | 2012-10-23 | 2015-04-01 | 深圳市合元科技有限公司 | Atomization device for electronic cigarette as well as atomizer and electronic cigarette |
| CN102920028A (en) * | 2012-11-15 | 2013-02-13 | 深圳市合元科技有限公司 | Atomizer for electronic cigarette and electronic cigarette |
| CN102920028B (en) * | 2012-11-15 | 2016-01-27 | 深圳市合元科技有限公司 | Nebulizer for electronic cigarette and electronic cigarette |
| WO2014106329A1 (en) * | 2013-01-05 | 2014-07-10 | Liu Qiuming | Electronic cigarette device, electronic cigarette and atomization device thereof |
| WO2014110717A1 (en) * | 2013-01-15 | 2014-07-24 | Liu Qiuming | Organic cotton electronic cigarette |
| US20140338684A1 (en) * | 2013-01-15 | 2014-11-20 | Qiuming Liu | Organic cotton electronic cigarette |
| US9161573B2 (en) * | 2013-01-15 | 2015-10-20 | Huizhou Kimree Technology Co., Ltd., Shenzhen Branch | Electronic cigarette |
| US10869501B2 (en) | 2013-03-15 | 2020-12-22 | Philip Morris Products S.A. | Method of manufacture for a heater assembly for use with a liquid filled cartridge |
| US11632827B2 (en) | 2013-03-15 | 2023-04-18 | Philip Morris Products S.A. | Method of manufacture for a heater assembly for use with a liquid filled cartridge |
| CN105340360A (en) * | 2013-03-15 | 2016-02-17 | 菲利普莫里斯生产公司 | Method of manufacture for heater assembly for use with liquid filled cartridge |
| WO2014153744A1 (en) * | 2013-03-27 | 2014-10-02 | 吉瑞高新科技股份有限公司 | Electronic cigarette |
| EP2801270A3 (en) * | 2013-05-07 | 2015-01-21 | Shenzhen First Union Technology Co., Ltd. | Atomizing device and electronic cigarette having same |
| CN106028851A (en) * | 2014-02-19 | 2016-10-12 | 吉瑞高新科技股份有限公司 | Electronic cigarette and method for assembling same |
| WO2015123831A1 (en) * | 2014-02-19 | 2015-08-27 | 吉瑞高新科技股份有限公司 | Electronic cigarette and method for assembling same |
| WO2016023183A1 (en) * | 2014-08-13 | 2016-02-18 | 惠州市吉瑞科技有限公司 | Atomizer and electronic cigarette |
| CN105661648A (en) * | 2016-02-29 | 2016-06-15 | 深圳麦克韦尔股份有限公司 | Electronic cigarette, atomization device thereof and assembling method of atomization device |
| CN105661648B (en) * | 2016-02-29 | 2019-05-03 | 深圳麦克韦尔股份有限公司 | The assemble method of electronic cigarette and its atomising device and atomising device |
| CN107568798A (en) * | 2016-07-05 | 2018-01-12 | 朱晓春 | Top air inlet atomizer assembly and the electronic cigarette with top air inlet atomizer assembly |
| CN106617323A (en) * | 2017-03-13 | 2017-05-10 | 重庆中烟工业有限责任公司 | Electronic cigarette atomizer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: XU ZHONGLI Effective date: 20121213 Owner name: SHENZHEN FIRST UNION TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: LI YONGHAI Effective date: 20121213 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518000 SHENZHEN, GUANGDONG PROVINCE TO: 518104 SHENZHEN, GUANGDONG PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20121213 Address after: 518104 Guangdong City, Baoan District, Fuyong, Tong Tong Street high-tech park C building, the first and the two or three floor of the first floor, the second floor of the Patentee after: Shenzhen Heyuan Technology Co.,Ltd. Address before: 518000, C, building first, second, third, Tong Gao hi tech park, Fuyong street, Baoan District, Guangdong, Shenzhen Patentee before: Li Yonghai Patentee before: Xu Zhongli |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120502 |