CN202517713U - Vertical longitudinal stretching machine - Google Patents
Vertical longitudinal stretching machine Download PDFInfo
- Publication number
- CN202517713U CN202517713U CN 201220102546 CN201220102546U CN202517713U CN 202517713 U CN202517713 U CN 202517713U CN 201220102546 CN201220102546 CN 201220102546 CN 201220102546 U CN201220102546 U CN 201220102546U CN 202517713 U CN202517713 U CN 202517713U
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- roll
- preheat
- draw
- vertical longitudinal
- driving mechanism
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Abstract
The utility model discloses a vertical longitudinal stretching machine, and relates to stretching equipment for a thin film. The vertical longitudinal stretching machine comprises a case, and a preheating area, a stretching area, an annealing area and a cooling area are arranged in sequence from top to bottom in the case. The vertical longitudinal stretching machine is characterized in that the stretching area comprises at least two stretching rollers and at least two stretching roller driving mechanisms; the number of the stretching rollers is the same as that of the stretching roller driving mechanisms; the stretching rollers correspond to the stretching roller driving mechanisms one to one; and each stretching roller is respectively connected with the corresponding stretching roller driving mechanism. Compared with the prior art, the vertical longitudinal stretching machine has the beneficial effects that the film drive is convenient as a distance between any two adjacent preheating rollers or stretching rollers can be regulated, and moreover, the quality of the processed thin film can be effectively guaranteed.
Description
Technical field
The utility model relates to a kind of stretcher of film; Carry out stretching longitudinally more specifically to a kind of film of under the situation of uniform temperature, draw ratio, curtain coating, sheet production line being produced along film; Then film is heat-treated, afterwards film is cooled to the vertical longitudinal stretching machine of room temperature.
Background technology
The film that curtain coating, sheet production line are produced is through after vertically stretching along film; Film can improve the performance of film to a great extent; No matter be off-line or, can both significantly improve gas barrier property, rigidity, flatness, hot strength and the perforate property of film, and the flatness of film improves in line drawing; Then the speed of following process will be faster, and output also can be higher.
The longitudinal stretching machine that film is carried out longitudinal stretching is divided into bedroom and vertical, no matter horizontal and vertical theory structure all is the same, but horizontal floor space is big, so all select for use vertical usually.
The roll gap of adjacent two rollers in the vertical longitudinal stretching machine preheating zone and in the drawing zone, the short slit of the employing that has, the employing slit crack that has.Said short slit, the roll gap that refers to adjacent two rollers are less than 2.5mm, and the slit crack then is more than the 5mm.Even some vertical longitudinal stretching machine adopts " zero slit " (roll gap of adjacent two rollers is 0) to stretch or modes such as " pressure roller stretchings ".The slit is short more, and the film generation card neck probability of phenomena that is stretched is just more little.The card neck phenomenon generally can cause the width of film to reduce 5%-20%, and the card neck phenomenon also can significantly reduce for the very important gas permeability of hygiene film simultaneously, and therefore existing usually vertical longitudinal stretching chance selects short slit to stretch.
But; The shortcoming of existing vertical longitudinal stretching machine is: the spacing between each adjacent roller is fixed, and can't regulate, if therefore the spacing between the adjacent roller is less; Then be difficult to walk sheet (before promptly beginning processing, letting film pass each roller) along the path that stretches.
Summary of the invention
The utility model technical problem to be solved is the shortcoming that can't regulate to the spacing between each adjacent roller of prior art; A kind of vertical longitudinal stretching machine is provided; Spacing between this vertical longitudinal stretching machine preheating zone, each adjacent roller of drawing zone can be regulated; Therefore be convenient to sheet, and the quality of the film that can effectively guarantee to process.The technical scheme that adopts is following:
A kind of vertical longitudinal stretching machine; Comprise cabinet; Be provided with preheating zone, drawing zone, annealed zone and cooling zone in the cabinet from top to bottom successively; Said drawing zone comprises at least two draw rolls and at least two draw roll driving mechanisms, and the number of the number of said draw roll and draw roll driving mechanism is identical and both are corresponding one by one, and each draw roll connects corresponding draw roll driving mechanism respectively; Said preheating zone comprises preheat roll driving mechanism and at least two preheat rolls; The preheat roll driving mechanism drives the motion of each preheat roll respectively, it is characterized in that: at least one preheat roll is provided with the flexible detent mechanism of corresponding preheat roll in said any two adjacent preheat rolls, and said preheat roll is rotating is fixed on the flexible detent mechanism of corresponding preheat roll; At least one draw roll is provided with the flexible detent mechanism of corresponding draw roll in said any two adjacent draw rolls, and said draw roll is rotating is fixed on the flexible detent mechanism of corresponding draw roll.Like this, when walking sheet, can increase adjacent preheat roll gap, conveniently walk sheet.Each draw roll adopts different draw roll driving mechanism single driving respectively, and therefore the speed of every draw roll can be regulated separately.
More excellent scheme, the flexible detent mechanism of said preheat roll is a cylinder, said preheat roll is rotating to be fixed on the axis of the piston of corresponding cylinder; The flexible detent mechanism of said draw roll is a cylinder, and said draw roll is rotating to be fixed on the axis of the piston of corresponding cylinder.
In order to reduce, alleviate the card neck phenomenon, the roll gap scope of any two the adjacent preheat rolls in said preheating zone is 0-2.5mm when carrying out film stretching, and the roll gap scope of any two the adjacent draw rolls of drawing zone is 0-2.5mm.Like this, preheating zone, drawing zone adopt short slit to stretch.
More excellent scheme; Said drawing zone also comprises at least two die heaters; The number of said draw roll is identical with the number of die heater and both are corresponding one by one; Be equipped with the high temperature oil helical flow path in said each draw roll, and the high temperature oil helical flow path of each draw roll is connected high temperature oil through corresponding die heater respectively.Every draw roll can carry out temperature setting and adjusting separately like this, and the surface temperature of the periphery of each draw roll is even.
More excellent scheme, said drawing zone also comprises at least two rubber rolls, the number of said draw roll is identical with the number of rubber roll and both are corresponding one by one, said each rubber roll respectively with corresponding draw roll pressing.Can prevent that like this film from skidding.
More excellent scheme, said drawing zone also comprises at least two cylinders, and the number of said rubber roll is identical with the number of cylinder and both are corresponding one by one, and each rubber roll is rotating respectively to be fixed on the axis of the piston of corresponding cylinder.Cylinder can let rubber roll that draw roll is kept suitable pressure, thereby more effectively prevents film generation skidding.
More excellent scheme, said preheat roll driving mechanism adopts synchronous tape drive mechanism, and the synchronous band of said synchronous tape drive mechanism drives each preheat roll simultaneously and is synchronized with the movement, and guarantees each preheat roll speed synchronization.
More excellent scheme, said preheating zone also comprises die heater, establishes high temperature oil helical flow path and all high temperature oil helical flow paths in each preheat roll is equal respectively through this die heater connection high temperature oil.Because each preheat roll uses same die heater, therefore the high temperature oil temperature from die heater entering helical flow path is identical, thereby the temperature on each preheat roll surface can both be consistent.
More excellent scheme, said preheating zone also comprises rubber roll and cylinder, said rubber roll is rotating to be fixed on the axis of the piston of cylinder, and said rubber roll and the preheat roll pressing that is positioned at the top.Can play tracting film like this and prevent the effect that film skids.
More excellent scheme, said annealed zone comprise lehr rollers driving mechanism and at least two lehr rollers, and the lehr rollers driving mechanism drives each lehr rollers motion respectively.
More excellent scheme, said lehr rollers driving mechanism adopts synchronous tape drive mechanism, and the synchronous band of said synchronous tape drive mechanism drives each lehr rollers simultaneously and is synchronized with the movement, and guarantees each lehr rollers speed synchronization.
More excellent scheme, said annealed zone also comprises die heater, establishes helical flow path and all helical flow paths in each lehr rollers is equal respectively through this die heater connection high temperature oil.Because each lehr rollers is used same die heater, therefore the high temperature oil temperature from die heater entering helical flow path is identical, thereby the temperature on each lehr rollers surface can both be consistent.
More excellent scheme, said annealed zone also comprises rubber roll and cylinder, said rubber roll is rotating to be fixed on the axis of the piston of cylinder, and said rubber roll be positioned at the lehr rollers pressing of below.Can play the effect of tracting film like this.
More excellent scheme, said cooling zone comprise chill roll driving mechanism and at least two chill rolls, and the chill roll driving mechanism drives each chill roll motion respectively.
More excellent scheme, said chill roll driving mechanism adopts synchronous tape drive mechanism, and the synchronous band of said synchronous tape drive mechanism drives each chill roll simultaneously and is synchronized with the movement, and guarantees that each chill roll speed is synchronous.
More excellent scheme, said cooling zone also comprises die heater, establishes helical flow path and all helical flow paths in each chill roll is equal respectively through this die heater connection cooling water.Because each lehr rollers is used same die heater, therefore the cooling water temperature from die heater entering helical flow path is identical, thereby the temperature on each lehr rollers surface can both be consistent.
More excellent scheme, said cooling zone also comprises rubber roll and cylinder, said rubber roll is rotating to be fixed on the axis of the piston of cylinder, and said rubber roll be positioned at the lehr rollers pressing of below.Can play the effect of tracting film like this.
More excellent scheme, said preheat roll, draw roll, lehr rollers, chill roll all adopt the surface to be provided with the steel rider of chromium coating.
More excellent scheme, said draw roll driving mechanism adopts servomotor.
The utility model beneficial effect against existing technologies is, because the spacing of any two adjacent preheat rolls or draw roll can be regulated, therefore is convenient to sheet, and the quality of the film that can effectively guarantee to process.
Description of drawings
Fig. 1 is the structural representation of the utility model preferred embodiment;
Fig. 2 is the fundamental diagram of preferred embodiment drawing zone shown in Figure 1;
Fig. 3 is the partial structurtes sketch map that preferred embodiment shown in Figure 1 is walked the sheet state.
The specific embodiment
Shown in Fig. 1-3, the vertical longitudinal stretching machine in this preferred embodiment comprises cabinet 6, is provided with preheating zone 1, drawing zone 2, annealed zone 3 and cooling zone 4 in the cabinet 6 from top to bottom successively.
Said preheating zone 1 comprises preheat roll driving mechanism, first preheat roll 101, second preheat roll 102, the 3rd preheat roll 103, the 4th preheat roll 104, and the preheat roll driving mechanism drives first preheat roll 101, second preheat roll 102, the 3rd preheat roll 103,104 motions of the 4th preheat roll respectively.
Said preheat roll driving mechanism adopts synchronous tape drive mechanism (cannot see among the figure).The synchronous band of said synchronous tape drive mechanism drives first preheat roll 101, second preheat roll 102, the 3rd preheat roll 103 simultaneously, the 4th preheat roll 104 is synchronized with the movement, and guarantees first preheat roll 101, second preheat roll 102, the 3rd preheat roll 103, the 4th preheat roll 104 speed synchronization.
Said preheating zone 1 also comprises first die heater (cannot see among the figure), and first preheat roll 101, second preheat roll 102, the 3rd preheat roll 103, the 4th preheat roll 104 establish high temperature oil helical flow path (cannot see among the figure) in all and all high temperature oil helical flow paths are connected high temperature oil through this die heater respectively.Because each preheat roll all uses same die heater, therefore the high temperature oil temperature from die heater entering helical flow path is identical, thereby the temperature on each preheat roll surface can both be consistent.
Said preheating zone 1 also comprises first rubber roll 106 and first cylinder 108, and said first rubber roll 106 is rotating to be fixed on the first piston axle of first cylinder 108, and said first rubber roll 106 and first preheat roll, 101 pressings that are positioned at the top.Can play tracting film 5 like this and prevent the effect that film 5 skids.
The flexible detent mechanism of said second preheat roll is second cylinder 105, and said second preheat roll 102 is rotating to be fixed on second the axis of the piston of the second corresponding cylinder 105.
The 4th preheat roll 104 is provided with the flexible detent mechanism of the 4th corresponding preheat roll, and said the 4th preheat roll 104 rotating being fixed on the flexible detent mechanism of the 4th corresponding preheat roll.Like this, when walking sheet, can increase adjacent preheat roll gap, conveniently walk sheet.
The flexible detent mechanism of said the 4th preheat roll is the 3rd cylinder 107, and said the 4th preheat roll 104 is rotating to be fixed on the 3rd the axis of the piston of the 3rd corresponding cylinder 107.
Said drawing zone 2 comprises first draw roll 201, second draw roll 202, the 3rd draw roll 203, the 4th draw roll 204, the first draw roll driving mechanism, the second draw roll driving mechanism, the 3rd draw roll driving mechanism, the 4th draw roll driving mechanism.Said first draw roll 201 is corresponding with the first draw roll driving mechanism, and first draw roll 201 connects the first draw roll driving mechanism; Said second draw roll 202 is corresponding with the second draw roll driving mechanism, and second draw roll 202 connects the second draw roll driving mechanism; Said the 3rd draw roll 203 is corresponding with the 3rd draw roll driving mechanism, and the 3rd draw roll 203 connects the 3rd draw roll driving mechanism; Said the 4th draw roll 204 is corresponding with the 4th draw roll driving mechanism, and the 4th draw roll 204 connects the 4th draw roll driving mechanism.Because each draw roll adopts different draw roll driving mechanism single driving respectively, therefore the speed of every draw roll can be regulated separately.In the present embodiment, each draw roll driving mechanism adopts servomotor.
Said drawing zone 2 also comprises second die heater, the 3rd die heater, the 4th die heater, the 5th die heater (cannot see among the figure).The number of said draw roll is identical with the number of die heater and both are corresponding one by one; Be equipped with the high temperature oil helical flow path in said first draw roll 201, second draw roll 202, the 3rd draw roll 203, the 4th draw roll 204, and the high temperature oil helical flow path of the first draw roll 201 high temperature oil helical flow path of connecting high temperature oil, second draw roll 202 through second die heater high temperature oil helical flow path of connecting high temperature oil, the 3rd draw roll 203 through the 3rd die heater is connected high temperature oil, the 4th draw roll 204 through the 4th die heater high temperature oil helical flow path is connected high temperature oil through the 5th die heater.Every draw roll can carry out temperature setting and adjusting separately like this, and the surface temperature of the periphery of each draw roll is even.
Said drawing zone 2 also comprises second rubber roll 205, the 3rd rubber roll 207, the 4th rubber roll 206, the 5th rubber roll 209, four-cylinder 213, the 5th cylinder 208, the 6th cylinder 210, the 7th cylinder 214.Second rubber roll, 205 rotating being fixed on the four-cylinder 213, and second rubber roll 205 and 201 pressings of first draw roll.The 3rd rubber roll 207 rotating being fixed on the 5th cylinder 208, and the 3rd rubber roll 207 and 202 pressings of second draw roll.The 4th rubber roll 206 rotating being fixed on the 6th cylinder 210, and the 4th rubber roll 206 and 203 pressings of the 3rd draw roll.The 5th rubber roll 209 rotating being fixed on the 7th cylinder 214, and the 5th rubber roll 209 and 204 pressings of the 4th draw roll.Cylinder can let the rubber roll pair draw roll corresponding with it keep suitable pressure, thereby skidding takes place the more effective film 5 that prevents.
The 3rd draw roll 203 is provided with the flexible detent mechanism of the 3rd corresponding draw roll.The flexible detent mechanism of said the 3rd draw roll is the 9th cylinder 212, and said the 3rd draw roll 203 is rotating to be fixed on the 9th the axis of the piston of the 9th corresponding cylinder 212.
Like this, when walking sheet, can increase adjacent draw roll gap, conveniently walk sheet.
Said annealed zone 3 comprises lehr rollers driving mechanism (cannot see among the figure), first lehr rollers 301, second lehr rollers 302, the 3rd lehr rollers 303, and the lehr rollers driving mechanism drives first lehr rollers 301, second lehr rollers 302,303 motions of the 3rd lehr rollers respectively.
The lehr rollers driving mechanism adopts synchronous tape drive mechanism.The synchronous band of said synchronous tape drive mechanism drives first lehr rollers 301, second lehr rollers 302, the 3rd lehr rollers 303 simultaneously and is synchronized with the movement, and guarantees first lehr rollers 301, second lehr rollers 302, the 3rd lehr rollers 303 speed synchronization.
Said annealed zone 3 also comprises the 6th die heater (cannot see among the figure), and first lehr rollers 301, second lehr rollers 302, the 3rd lehr rollers 303 establish helical flow path in all and all helical flow paths are connected high temperature oil through the 6th die heater respectively.Because each lehr rollers uses same die heater, it is identical therefore to get into the high temperature oil temperature of helical flow path from die heater, thereby the temperature on first lehr rollers 301, second lehr rollers 302, the 3rd lehr rollers 303 surfaces can both be consistent.
Said annealed zone 3 also comprises the 6th rubber roll 304 and the tenth cylinder 305, and said the 6th rubber roll 304 is rotating to be fixed on the axis of the piston of the tenth cylinder 305, and said the 6th rubber roll 304 be positioned at the 3rd lehr rollers 303 pressings of below.Can play the effect of tracting film 5 like this.
Said cooling zone 4 comprises chill roll driving mechanism (cannot see among the figure), first chill roll 401, second chill roll 402, and the chill roll driving mechanism drives first chill roll 401,402 motions of second chill roll respectively.
The chill roll driving mechanism adopts synchronous tape drive mechanism.The synchronous band of said synchronous tape drive mechanism drives each chill roll simultaneously and is synchronized with the movement, and guarantees that each chill roll speed is synchronous.
Said cooling zone 4 also comprises the 7th die heater (cannot see among the figure), and first chill roll 401, second chill roll 402 establish helical flow path in all and all helical flow paths are connected cooling water through the 7th die heater respectively.Because each lehr rollers is used same die heater, therefore the cooling water temperature from die heater entering helical flow path is identical, thereby the temperature on each lehr rollers surface can both be consistent.
Said cooling zone 4 also comprises the 7th rubber roll 403 and the 11 cylinder 404, and said the 7th rubber roll 403 is rotating to be fixed on the axis of the piston of the 11 cylinder 404, and said the 7th rubber roll 403 be positioned at second lehr rollers, 402 pressings of below.Can play the effect of tracting film 5 like this.
In order to reduce, alleviate the card neck phenomenon, the roll gap of said preheating zone 1 adjacent two rollers is 2mm when carrying out film 5 stretchings, and the roll gap of drawing zone 2 adjacent two rollers is 2mm.
Said preheat roll, draw roll, lehr rollers, chill roll all adopt the surface to be provided with the steel rider of chromium coating.
Introduce the course of work below:
At first, film 5 entering preheating zones, successively through after four preheat roll heating, film 5 deliquescing.
Then, film 5 gets into drawing zone 2.At 2, four draw rolls of drawing zone film 5 is stretched and to bring out orientation, its principle is as shown in Figure 2, and the length velocity relation of four draw rolls is: V4＞V3＞V2＞V1.
Then, film 5 entering annealed zones 3.3, three lehr rollers maintain the orientation that film 5 brings out in drawing process in the annealed zone.
At last, film 5 entering cooling zones 4.4, two chill rolls are reduced to room temperature with the temperature of film 5 in the cooling zone.
The preferred embodiment that the above is merely the utility model is not the practical range that is used for limiting the utility model; Be all equivalents of being done according to the claim scope of the utility model, be the utility model claim scope and cover.
Claims (10)
1. vertical longitudinal stretching machine; Comprise cabinet; Be provided with preheating zone, drawing zone, annealed zone and cooling zone in the cabinet from top to bottom successively; Said drawing zone comprises at least two draw rolls and at least two draw roll driving mechanisms, and the number of the number of said draw roll and draw roll driving mechanism is identical and both are corresponding one by one, and each draw roll connects corresponding draw roll driving mechanism respectively; Said preheating zone comprises preheat roll driving mechanism and at least two preheat rolls; The preheat roll driving mechanism drives the motion of each preheat roll respectively, it is characterized in that: at least one draw roll is provided with the flexible detent mechanism of corresponding draw roll in said any two adjacent draw rolls, and said draw roll is rotating is fixed on the flexible detent mechanism of corresponding draw roll; At least one preheat roll is provided with the flexible detent mechanism of corresponding preheat roll in said any two adjacent preheat rolls, and said preheat roll is rotating is fixed on the flexible detent mechanism of corresponding preheat roll.
2. vertical longitudinal stretching machine as claimed in claim 1 is characterized in that: the flexible detent mechanism of said preheat roll is a cylinder, and said preheat roll is rotating to be fixed on the axis of the piston of corresponding cylinder; The flexible detent mechanism of said draw roll is a cylinder, and said draw roll is rotating to be fixed on the axis of the piston of corresponding cylinder.
3. vertical longitudinal stretching machine as claimed in claim 1 is characterized in that: the roll gap scope of any two the adjacent preheat rolls in said preheating zone is 0-2.5mm when carrying out film stretching, and the roll gap scope of any two the adjacent draw rolls of drawing zone is 0-2.5mm.
4. vertical longitudinal stretching machine as claimed in claim 1; It is characterized in that: said drawing zone also comprises at least two die heaters; The number of said draw roll is identical with the number of die heater and both are corresponding one by one; Be equipped with the high temperature oil helical flow path in said each draw roll, and the high temperature oil helical flow path of each draw roll is connected high temperature oil through corresponding die heater respectively.
5. vertical longitudinal stretching machine as claimed in claim 4 is characterized in that: said drawing zone also comprises at least two rubber rolls, and the number of said draw roll is identical with the number of rubber roll and both are corresponding one by one, said each rubber roll respectively with corresponding draw roll pressing.
6. vertical longitudinal stretching machine as claimed in claim 5; It is characterized in that: said drawing zone also comprises at least two cylinders; The number of said rubber roll is identical with the number of cylinder and both are corresponding one by one, and each rubber roll is rotating respectively to be fixed on the axis of the piston of corresponding cylinder.
7. vertical longitudinal stretching machine as claimed in claim 1 is characterized in that: said preheat roll driving mechanism adopts synchronous tape drive mechanism, and the synchronous band of said synchronous tape drive mechanism drives each preheat roll simultaneously and is synchronized with the movement.
8. vertical longitudinal stretching machine as claimed in claim 7 is characterized in that: said preheating zone also comprises die heater, establishes high temperature oil helical flow path and all high temperature oil helical flow paths in each preheat roll is equal respectively through this die heater connection high temperature oil.
9. vertical longitudinal stretching machine as claimed in claim 8 is characterized in that: said preheating zone also comprises rubber roll and cylinder, and said rubber roll is rotating to be fixed on the axis of the piston of cylinder, and said rubber roll and the preheat roll pressing that is positioned at the top.
10. vertical longitudinal stretching machine as claimed in claim 1 is characterized in that: said annealed zone comprises lehr rollers driving mechanism and at least two lehr rollers, and the lehr rollers driving mechanism drives each lehr rollers motion respectively; Said cooling zone comprises chill roll driving mechanism and at least two chill rolls, and the chill roll driving mechanism drives each chill roll motion respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220102546 CN202517713U (en) | 2012-03-17 | 2012-03-17 | Vertical longitudinal stretching machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220102546 CN202517713U (en) | 2012-03-17 | 2012-03-17 | Vertical longitudinal stretching machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202517713U true CN202517713U (en) | 2012-11-07 |
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ID=47100677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220102546 Expired - Lifetime CN202517713U (en) | 2012-03-17 | 2012-03-17 | Vertical longitudinal stretching machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202517713U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105346043A (en) * | 2015-12-08 | 2016-02-24 | 芜湖恒一塑料设备制造有限公司 | Multi-stage stretching device for plastic flat wires |
-
2012
- 2012-03-17 CN CN 201220102546 patent/CN202517713U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105346043A (en) * | 2015-12-08 | 2016-02-24 | 芜湖恒一塑料设备制造有限公司 | Multi-stage stretching device for plastic flat wires |
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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 | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Lu Shengping Industrial Zone Jinping District 515041 Guangdong city of Shantou province No. 28 Patentee after: Guangdong Dacheng Technology Co., LTD Address before: Lu Shengping Industrial Zone Jinping District 515041 Guangdong city of Shantou province No. 28 Patentee before: Guangdong Designer Machinery Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 7 / F, management committee building, Jinping private science and Technology Park, middle section of Da Xue Road, Shantou City, Guangdong Province Patentee after: Guangdong Dacheng Technology Co.,Ltd. Address before: Lu Shengping Industrial Zone Jinping District 515041 Guangdong city of Shantou province No. 28 Patentee before: GUANGDONG DESIGNER TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121107 |