CN104973775A - Optical fiber preform suspension device - Google Patents
Optical fiber preform suspension device Download PDFInfo
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- CN104973775A CN104973775A CN201510303890.8A CN201510303890A CN104973775A CN 104973775 A CN104973775 A CN 104973775A CN 201510303890 A CN201510303890 A CN 201510303890A CN 104973775 A CN104973775 A CN 104973775A
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- quartz
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- rod
- backing pin
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Abstract
The invention relates to an optical fiber preform suspension device, and relates to the technical field of optical fiber production auxiliary facilities. The device comprises a quartz suspension rod and an optical fiber preform limiting mechanism. The device is characterized in that the device also comprises a three-jaw chuck on a suspension rod platform and a quartz suspension rod cavity. The upper end of the quartz suspension rod is fixed with the three-jaw chuck. A set of tail handle limiting screw holes are provided at the middle of the quartz suspension rod. A pair of pin holes are provided at a position below and corresponding to the set of tail handle limiting screw holes. A flange-shaped stopper projection is formed on the outer wall on the lower end of the quartz suspension rod. The optical fiber preform limiting mechanism comprises a left semicircular pin stopping ring, a right semicircular pin stopping ring, a pin and a set of tail handle limiting screws. The pin is inserted in the pair of pin holes. The set of tail handle limiting screws are distributed on the set of tail handle limiting screw holes. The left and right semicircular pin stopping rings are fixed on the outer wall of the quartz suspension rod, facing each other, at a position corresponding to the pin. The ends of the pin are fixed by the pin stopping rings. Therefore, the mold is simpler. With the device, a swinging phenomenon caused by eccentricity is prevented, and safety is ensured.
Description
Technical field
The invention belongs to the technical field of auxiliary facilities of optical fiber production, be specifically related to a kind of preform suspension system.
Background technology
Aforesaid preform is the starting material manufacturing quartzy series fibre, specifically, is the prefabricated big stick-means of intimidation for pulling optical fiber (i.e. optical fiber), is usually sintered by silica particulate material and forms.As is known in the industry, in the process by prefabricated big stick-means of intimidation and preform drawing optical fiber, need that fixed form is outstanding to be fixed on suspension system to hang by prefabricated big stick-means of intimidation.
The technical intelligence of preform suspension system can be seen in disclosed Chinese patent literature, typically as invention patent mandate notification number CN102211864B recommendation has " a kind of suspension system of preform ", its structure as shown in Figure 2, comprise a quartz to hang rod 1 and and hang excellent 1 preform matched with quartz and limit mechanism's 2(patent and claim eccentric strap), hang on rod 1 at quartz and be configured with the excellent groove of extension, limit in mechanism 2 at preform and namely on eccentric strap, offer a lockhole, during use, the bulb of the preform caudal peduncle end being formed at preform 3 to be hung in lockhole.Simple and the technique effect that can objectively embody described in the 0008th section, its specification sheets of this patent formula structure.But there is following shortcoming: one, owing to employing the eccentric strap with lockhole, thus need to make the end of preform caudal peduncle form a bulb being able to be limited by lockhole, so cause certain difficulty to the processing of preform; They are two years old, hang rod due to preform relative to quartz to hang with eccentric state and limit in mechanism in preform, that is the longitudinal center of preform do not hang with quartz rod longitudinal center consistent, and because the bulb of preform caudal peduncle end is in unfixed free state, thus unavoidably exist to shake in the process of drawing optical fiber and put situation, even there is ball head and scurry out and accidents caused anxiety from the open slot of logical firmly lockhole.And for example Authorization Notice No. CN202849257U provides " a kind of extension rod frame of preform ", and this patent has the effect with the different Qu Tonggong of aforementioned CN102211864B, but there is aforesaid shortcoming equally.
For above-mentioned prior art, be necessary to be improved, the applicant has done positive design and has defined technical scheme described below for this reason.
Summary of the invention
Task of the present invention be to provide a kind of contribute to abandoning preform caudal peduncle end spherule and use the structure that simplifies preform and simplify for moulding fiber prefabricated rods mould structure, be conducive to making the longitudinal center of preform and quartz to hang excellent longitudinal center being consistent and using to avoid occurring shaking in drawing process putting situation and being of value to and avoid preform to hang rod from quartz shaking off and use safing preform suspension system.
Task of the present invention has been come like this, a kind of preform suspension system, comprise a quartz hang rod and one for the preform caudal peduncle that is formed on preform is limited and hang the excellent preform matched with quartz and limit mechanism, be characterised in that: also include a thread jaw chuck, this thread jaw chuck be fixed in a state of use be arranged on fibre-optical drawing place hanging rod platform on, bar construction hung by described quartz has a quartz to hang excellent chamber, it is through to lower end from the upper end of the short transverse of quartz extension rod that excellent chamber hung by this quartz, and excellent upper end hung by this quartz and described thread jaw chuck is fixed, the middle part of the short transverse of rod is hung and the circumferential direction hanging rod around quartz offers with space state and to hang one group of caudal peduncle that excellent chamber communicates with quartz and limit screw hole at quartz, and offer pair of pin axis hole in the position of the below corresponding to one group of caudal peduncle restriction screw hole, this hangs the circumferential direction of rod with the state maintenance correspondence being separated by 180 ° to pin shaft hole around quartz, and being configured with a Flange-shaped Parts being raised in the surface of quartz extension rod on the outer wall of the lower end of quartz extension rod keeps off convex, described preform limits the caudal peduncle that mechanism comprises a left semicircle backing pin ring, a right semi-circle backing pin ring, a bearing pin and one group of quantity equal with the quantity that described one group of caudal peduncle limits screw hole and limits screw, bearing pin is inserted on described pair of pin axis hole, one group of caudal peduncle limits screw and is distributed on one group of described caudal peduncle restriction screw hole, left and right semicircle backing pin ring is fixed on quartz in the position corresponding to described bearing pin with the state faced each other and hangs on the outer wall of rod, and the end winding support to bearing pin.
In a specific embodiment of the present invention, it is suitable that the diameter of described preform caudal peduncle is that the diameter in excellent chamber hung by the quartz hanging rod with described quartz, and be configured with bearing pin through hole on preform caudal peduncle, described bearing pin is through this bearing pin through hole.
In another specific embodiment of the present invention, the length of described preform caudal peduncle is that the height hanging rod with described quartz adapts.
In another specific embodiment of the present invention, a bearing pin left limit groove is configured with at the middle part of described left semicircle backing pin ring and towards the side of described right semi-circle backing pin ring, and a bearing pin right limit groove is configured with at the middle part of right semi-circle backing pin ring and towards the side of left semicircle backing pin ring, one end of described bearing pin is corresponding with bearing pin left limit groove, and the other end is corresponding with bearing pin right limit groove.
In another specific embodiment of the present invention, a left semicircle backing pin ring fixing threaded hole is respectively offered at the two ends of described left semicircle backing pin ring, and respectively offer a right semi-circle backing pin ring fixing threaded hole at the two ends of described right semi-circle backing pin ring and in the position corresponding to left semicircle backing pin ring fixing threaded hole, in the position corresponding to left and right semicircle backing pin ring fixing threaded hole, the state obvolvent that left and right semicircle backing pin ring coordinates to face each other is fixed on described optical fiber by backing pin ring set screw and hangs on rod.
Also have in a specific embodiment of the present invention, bottom surface and the described Flange-shaped Parts of described left semicircle pin lock ring and right semi-circle backing pin ring are kept off convex upper surface and are contacted.
One of technique effect of technical scheme provided by the invention, because the tubular body arranged inside structure that rod is a hollow hung by quartz, thus can match for predispersed fiber rod caudal peduncle, without the need to housing prefabricated rods caudal peduncle end formed hang bulb, make preform caudal peduncle and the mould for moulding fiber prefabricated rods simpler; Two, because preform inserts by its preform caudal peduncle quartz that quartz hangs rod, to hang Bang Qiang Hou Nengshiqi longitudinal center consistent with the longitudinal center that rod hung by quartz, in use there will not be the rolling caused because of bias to put phenomenon; Three, limit screw hole, pair of pin axis hole and on lower end outer wall, be configured with Flange-shaped Parts gear convex owing to having offered one group of caudal peduncle on quartz extension rod, thus hangs the reliable restriction effect that to embody after excellent cooperation preform caudal peduncle when preform limits mechanism and quartz, there will not be the situation of shaking off from quartz extension rod and ensured safety.
Accompanying drawing explanation
Fig. 1 is embodiments of the invention structure iron.
Fig. 2 is the structure iron of the preform suspension system in prior art.
Embodiment
In order to enable the auditor of Patent Office especially the public clearly understand technical spirit of the present invention and beneficial effect, applicant will elaborate below by way of example, but be not all the restriction to the present invention program to the description of embodiment, any conceive according to the present invention done be only pro forma but not substantial equivalent transformation and all should be considered as technical scheme category of the present invention.
Everyly in the following description relate to upper and lower, left and right, the concept of directivity (or claim directionality) of front and rear is all for the location status residing for the figure be described, object is to facilitate public understanding, thus can not be understood as being particularly limited to technical scheme provided by the invention.
Refer to Fig. 1, the structural system of preform suspension system comprise a quartz hang rod 1 and one for the preform caudal peduncle 31 be formed on preform 3 is limited and hangs excellent 1 preform matched with quartz and limits mechanism 2.
As the technical essential of technical scheme provided by the invention, the structural system of aforementioned preform suspension system also includes a thread jaw chuck 4, the hanging rod platform 5 that this thread jaw chuck 4 adopts thread jaw chuck set screw 42 to be fixed on to be arranged on fibre-optical drawing place in a state of use towards under side.Aforementioned quartz is hung rod 1 and is configured with an excellent chamber 11 of quartz extension, it is through to lower end from the upper end of the short transverse of quartz extension rod 1 that excellent chamber 11 hung by this quartz, and to hang upper end and the aforesaid thread jaw chuck 4 of rod 1 fixing for this quartz in a state of use, specifically, locked by three card bases 41 of thread jaw chuck 4, the middle part of the short transverse of rod 1 is hung and the circumferential direction hanging rod 1 around quartz offers with space state and to hang one group of (the present embodiment is four) caudal peduncle that excellent chamber 11 communicates with quartz and limit screw hole 12 at quartz, and offer pair of pin axis hole 13 in the position of the below corresponding to one group of caudal peduncle restriction screw hole 12, this hangs the circumferential direction of rod 1 with the state maintenance correspondence being separated by 180 ° to pin shaft hole 13 around quartz, and on the outer wall of the lower end of quartz extension rod 1, be configured with a Flange-shaped Parts being raised in the surface of quartz extension rod 1 keep off convex 14.
Please continue to refer to Fig. 1, aforesaid preform limits mechanism 2 and comprises a left semicircle backing pin ring 21, one right semi-circle backing pin ring 22, the caudal peduncle that one bearing pin 23 is equal with the quantity that aforesaid one group of caudal peduncle limits screw hole 12 with one group of quantity limits screw 24, bearing pin 23 is inserted on described pair of pin axis hole 13, one group of caudal peduncle limits screw 24 and is distributed on one group of caudal peduncle restriction screw hole 12, namely each caudal peduncle limits screw hole 12 and is assigned one piece of caudal peduncle restriction screw 24, left, right semi-circle backing pin ring 21, 22 are fixed on quartz in the position corresponding to bearing pin 23 with the state faced each other hangs on the outer wall of rod 1, and to the end winding support of bearing pin 23.
Preferably, it is suitable that the diameter in excellent chamber 11 hung by the quartz that rod 1 hung by the diameter of aforesaid preform caudal peduncle 31 and aforesaid quartz, and be configured with bearing pin through hole 311 on preform caudal peduncle 31, and aforesaid bearing pin 23 is through this bearing pin through hole 311.Preferably, the height that rod 1 hung by the length of preform caudal peduncle 31 and aforementioned quartz adapts.
As shown in Figure 1, a bearing pin left limit groove 211 is configured with at the middle part of aforesaid left semicircle backing pin ring 21 and towards the side of aforesaid right semi-circle backing pin ring 22, and a bearing pin right limit groove 221 is configured with at the middle part of right semi-circle backing pin ring 22 and towards the side of left semicircle backing pin ring 21, one end of aforementioned bearing pin 23 is corresponding with bearing pin left limit groove 211, and the other end is corresponding with bearing pin right limit groove 221.It can thus be appreciated that, played by left and right semicircle backing pin ring 21,22 and effect is limited to bearing pin 23 and bearing pin through hole 311, stop because scurry out pair of pin axis hole 13 and bearing pin through hole 31 and the preform caudal peduncle 31 causing the preform 3 of heaviness (usually reaching hundred jin even heavier) of bearing pin 23 is hung excellent chamber 11 from quartz and to be shaken off and accidents caused.
A left semicircle backing pin ring fixing threaded hole 212(internal thread hole is respectively offered) at the two ends of aforesaid left semicircle backing pin ring 21, and respectively offer a right semi-circle backing pin ring fixing threaded hole 222(internal thread hole at the two ends of aforesaid right semi-circle backing pin ring 22 and corresponding to the position of left semicircle backing pin ring fixing threaded hole 212), in the position corresponding to left and right semicircle backing pin ring fixing threaded hole 212,222, the state obvolvent that left and right semicircle backing pin ring 21,22 coordinates to face each other is fixed on aforesaid optical fiber by backing pin ring set screw 6 and hangs on rod 1.
Bottom surface and the basal surface of aforesaid left semicircle pin lock ring 21 and right semi-circle backing pin ring 22 contact with the upper surface that aforesaid Flange-shaped Parts keeps off convex 14, that is keep off convex 14 by Flange-shaped Parts and play the effect preventing left and right semicircle backing pin ring 21,22 from slippage (shaking off) downwards quartz extension rod 1, fully to ensure safety.
During use, the preform caudal peduncle 31 of preform 3 inserts the quartzy quartz hanging rod 1 and hangs in excellent chamber 11, and make the bearing pin through hole 311 on preform caudal peduncle 31 corresponding with pair of pin axis hole 13, then bearing pin 23 inserted pair of pin axis hole 13 and make bearing pin 23 through bearing pin through hole 311, limit screw 24 to one group of caudal peduncle again to operate, limit by one group of caudal peduncle the position that screw 24 is corresponding to caudal peduncle restriction screw hole 12 and the preform caudal peduncle 31 being positioned at the excellent chamber 11 of quartz extension is locked.The state holding-solid then coordinated to face each other by left and right semicircle backing pin ring 21,22 by backing pin ring set screw 6 is hung on rod 1 at quartz, now, the two ends of aforementioned bearing pin 23 correspond respectively to the left and right stopper slot 211,221 of bearing pin, namely limited by the left and right stopper slot 211,221 of bearing pin, and aforesaid one group of caudal peduncle limits screw 24 and contacts with the upper surface of left and right semicircle backing pin ring 21,22, and the basal surface of left and right semicircle backing pin ring 21,22 is bearing on Flange-shaped Parts gear convex 14.Thread jaw chuck 4 is inserted in the upper end finally quartz being hung rod 1, operate key (also can claim operator handle) aligning thread jaw chuck gathering hole 43 by operator by thread jaw chuck to operate, by claw 41, the upper end that rod 1 hung by quartz is clamped, preform 3 is just hung with vertical hanging state and is fixed on quartz and hangs on rod 1, for follow-up fiber draw process drawing optical fiber.In aforesaid operation, also first quartz can be hung rod 1 and fix with thread jaw chuck 4.Because the concrete structure of thread jaw chuck 4 and function belong to known technology, thus applicant does not give above and repeating.
In sum, technical scheme provided by the invention overcomes the shortcoming in prior art, successfully completes invention task, embodies the technique effect described in the superincumbent technique effect hurdle of applicant objectively.
Claims (6)
1.
a kind of preform suspension system, comprise a quartz hang rod (1) and one for the preform caudal peduncle (31) be formed on preform (3) is limited and hang with quartz the preform excellent (1) matched and limit mechanism (2), it is characterized in that: also include a thread jaw chuck (4), this thread jaw chuck (4) be fixed in a state of use be arranged on fibre-optical drawing place hanging rod platform (5) on, described quartz is hung rod (1) and is configured with a quartz excellent chamber of extension (11), it is through to lower end from the upper end of the short transverse of quartz extension rod (1) that excellent chamber (11) hung by this quartz, and the upper end of this quartz extension rod (1) and described thread jaw chuck (4) are fixed, the middle part of the short transverse of rod (1) is hung and the circumferential direction hanging rod (1) around quartz offers with space state and to hang one group of caudal peduncle that excellent chamber (11) communicates with quartz and limit screw hole (12) at quartz, and offer pair of pin axis hole (13) in the position of the below corresponding to one group of caudal peduncle restriction screw hole (12), this hangs the circumferential direction of rod (1) with the state maintenance correspondence being separated by 180 ° to pin shaft hole (13) around quartz, and on the outer wall of the lower end of quartz extension rod (1), be configured with a Flange-shaped Parts being raised in the surface of quartz extension rod (1) keep off convex (14), described preform limits mechanism (2) and comprises a left semicircle backing pin ring (21), one right semi-circle backing pin ring (22), the caudal peduncle that one bearing pin (23) is equal with the quantity that described one group of caudal peduncle limits screw hole (12) with one group of quantity limits screw (24), bearing pin (23) is inserted on described pair of pin axis hole (13), one group of caudal peduncle limits screw (24) and is distributed on one group of described caudal peduncle restriction screw hole (12), left, right semi-circle backing pin ring (21, 22) being fixed on quartz in the position corresponding to described bearing pin (23) with the state faced each other hangs on the outer wall of rod (1), and to the end winding support of bearing pin (23).
2.
preform suspension system according to claim 1, it is characterized in that the diameter of described preform caudal peduncle (31) is that the diameter in excellent chamber (11) hung by the quartz hanging rod (1) with described quartz suitable, and be configured with bearing pin through hole (311) on preform caudal peduncle (31), described bearing pin (23) is through this bearing pin through hole (311).
3.
preform suspension system according to claim 1 and 2, is characterized in that the length of described preform caudal peduncle (31) is that the height hanging rod (1) with described quartz adapts.
4.
preform suspension system according to claim 1, to it is characterized in that at the middle part of described left semicircle backing pin ring (21) and side towards described right semi-circle backing pin ring (22) is configured with a bearing pin left limit groove (211), and a bearing pin right limit groove (221) is configured with at the middle part of right semi-circle backing pin ring (22) and towards the side of left semicircle backing pin ring (21), one end of described bearing pin (23) is corresponding with bearing pin left limit groove (211), and the other end is corresponding with bearing pin right limit groove (221).
5.
preform suspension system according to claim 1, it is characterized in that respectively offering left semicircle backing pin ring fixing threaded hole (212) at the two ends of described left semicircle backing pin ring (21), and respectively offer right semi-circle backing pin ring fixing threaded hole (222) at the two ends of described right semi-circle backing pin ring (22) and in the position corresponding to left semicircle backing pin ring fixing threaded hole (212), a left side is being corresponded to by backing pin ring set screw (6), right semi-circle backing pin ring fixing threaded hole (212, 222) position is by a left side, right semi-circle backing pin ring (21, 22) the state obvolvent coordinated to face each other is fixed on described optical fiber and hangs on rod (1).
6.
preform suspension system according to claim 1, is characterized in that the upper surface that the bottom surface of described left semicircle pin lock ring (21) and right semi-circle backing pin ring (22) and described Flange-shaped Parts keep off convex (14) contacts.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510303890.8A CN104973775B (en) | 2015-06-04 | 2015-06-04 | Preform suspension arrangement |
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|---|---|---|---|
| CN201510303890.8A CN104973775B (en) | 2015-06-04 | 2015-06-04 | Preform suspension arrangement |
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| CN104973775A true CN104973775A (en) | 2015-10-14 |
| CN104973775B CN104973775B (en) | 2017-03-29 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106746588A (en) * | 2016-12-05 | 2017-05-31 | 青海中利光纤技术有限公司 | Target rod plucking device |
| CN108101353A (en) * | 2018-02-02 | 2018-06-01 | 青海中利光纤技术有限公司 | The suspension arrangement of preform sunpender |
| CN108101355A (en) * | 2017-12-29 | 2018-06-01 | 江苏通鼎光棒有限公司 | A kind of body core stick heat preservation degassing equipment of production capacity extension |
| CN108341590A (en) * | 2018-04-20 | 2018-07-31 | 江苏亨通光纤科技有限公司 | Preform regulating device |
| CN109467310A (en) * | 2019-01-07 | 2019-03-15 | 威海长和光导科技有限公司 | Bar device is hung in drawing optical fibers production |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102211864A (en) * | 2011-04-29 | 2011-10-12 | 苏州凯西石英电子有限公司 | Suspension device of optical fibre performing rod |
| CN202849257U (en) * | 2012-08-27 | 2013-04-03 | 浙江富通光纤技术有限公司 | Rod suspension rack of fiber prefabricated rod |
| JP2014218406A (en) * | 2013-05-10 | 2014-11-20 | 住友電気工業株式会社 | Drawing device of glass preform and production method of glass preform |
| CN204675997U (en) * | 2015-06-04 | 2015-09-30 | 青海中利光纤技术有限公司 | Preform suspension system |
-
2015
- 2015-06-04 CN CN201510303890.8A patent/CN104973775B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102211864A (en) * | 2011-04-29 | 2011-10-12 | 苏州凯西石英电子有限公司 | Suspension device of optical fibre performing rod |
| CN202849257U (en) * | 2012-08-27 | 2013-04-03 | 浙江富通光纤技术有限公司 | Rod suspension rack of fiber prefabricated rod |
| JP2014218406A (en) * | 2013-05-10 | 2014-11-20 | 住友電気工業株式会社 | Drawing device of glass preform and production method of glass preform |
| CN204675997U (en) * | 2015-06-04 | 2015-09-30 | 青海中利光纤技术有限公司 | Preform suspension system |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106746588A (en) * | 2016-12-05 | 2017-05-31 | 青海中利光纤技术有限公司 | Target rod plucking device |
| CN106746588B (en) * | 2016-12-05 | 2023-02-17 | 青海中利光纤技术有限公司 | Target bar removing device |
| CN108101355A (en) * | 2017-12-29 | 2018-06-01 | 江苏通鼎光棒有限公司 | A kind of body core stick heat preservation degassing equipment of production capacity extension |
| CN108101355B (en) * | 2017-12-29 | 2023-11-03 | 通鼎互联信息股份有限公司 | Mother core rod heat preservation degasification equipment of productivity expansion |
| CN108101353A (en) * | 2018-02-02 | 2018-06-01 | 青海中利光纤技术有限公司 | The suspension arrangement of preform sunpender |
| CN108101353B (en) * | 2018-02-02 | 2023-12-15 | 青海中利光纤技术有限公司 | Suspension device of optical fiber preform boom |
| CN108341590A (en) * | 2018-04-20 | 2018-07-31 | 江苏亨通光纤科技有限公司 | Preform regulating device |
| CN108341590B (en) * | 2018-04-20 | 2023-12-15 | 江苏亨通光纤科技有限公司 | Optical fiber preform adjusting device |
| CN109467310A (en) * | 2019-01-07 | 2019-03-15 | 威海长和光导科技有限公司 | Bar device is hung in drawing optical fibers production |
| CN109467310B (en) * | 2019-01-07 | 2023-12-22 | 威海长和光导科技有限公司 | Rod hanging device for optical fiber drawing production |
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| CN104973775B (en) | 2017-03-29 |
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Application publication date: 20151014 Assignee: JIANGSU ZHONGLI GROUP Co.,Ltd. Assignor: QINGHAI ZHONGLI OPTICAL FIBER TECHNOLOGY Co.,Ltd. Contract record no.: X2020980001450 Denomination of invention: Optical fiber preform suspension device Granted publication date: 20170329 License type: Exclusive License Record date: 20200413 |