CN104360444B - Electrode bar production method, electrode bar and fusion splicer comprising electrode bar - Google Patents
Electrode bar production method, electrode bar and fusion splicer comprising electrode bar Download PDFInfo
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- CN104360444B CN104360444B CN201410638492.7A CN201410638492A CN104360444B CN 104360444 B CN104360444 B CN 104360444B CN 201410638492 A CN201410638492 A CN 201410638492A CN 104360444 B CN104360444 B CN 104360444B
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- electrode bar
- blank
- discharge end
- oxide layer
- electrode
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 230000004927 fusion Effects 0.000 title description 2
- 238000009413 insulation Methods 0.000 claims abstract description 32
- 238000000576 coating method Methods 0.000 claims abstract description 21
- 239000011248 coating agent Substances 0.000 claims abstract description 18
- 238000011065 in-situ storage Methods 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 34
- 239000013307 optical fiber Substances 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052684 Cerium Inorganic materials 0.000 claims description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 2
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052746 lanthanum Inorganic materials 0.000 claims description 2
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 2
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical group O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 239000010937 tungsten Substances 0.000 claims description 2
- 229910001930 tungsten oxide Inorganic materials 0.000 claims description 2
- 229910052727 yttrium Inorganic materials 0.000 claims description 2
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- 230000004323 axial length Effects 0.000 claims 1
- 238000002156 mixing Methods 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 6
- 230000015572 biosynthetic process Effects 0.000 abstract 3
- 238000003786 synthesis reaction Methods 0.000 abstract 3
- 239000011152 fibreglass Substances 0.000 abstract 1
- 238000010891 electric arc Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 7
- 239000000835 fiber Substances 0.000 description 7
- 239000003365 glass fiber Substances 0.000 description 6
- 239000011159 matrix material Substances 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- 206010044565 Tremor Diseases 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000005391 art glass Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/255—Splicing of light guides, e.g. by fusion or bonding
- G02B6/2551—Splicing of light guides, e.g. by fusion or bonding using thermal methods, e.g. fusion welding by arc discharge, laser beam, plasma torch
Abstract
The invention discloses an electrode bar production method. The electrode bar production method mainly includes: producing an electrode bar blank, wherein the electrode bar blank at least comprises a discharge end blank with the perimeter of the outer side face larger than the discharge end of a finished electrode bar; then, subjecting the electrode bar blank to heat treatment so as to obtain an insulation oxide layer by in-situ synthesis; finally, processing the discharge end blank of the electrode bar blank so as to obtain the finished electrode bar. Meanwhile, the invention discloses the electrode bar. One insulation oxide layer obtained by in-situ synthesis is arranged on the outer surface of at least the tip of the electrode bar, and the insulation oxide layer is not arranged on the discharge end which is in an allowed conducting state. The electrode bar production method is low in operation difficulty; the insulation oxide layer of the electrode bar is arranged on the tip of the electrode bar by in-situ synthesis, so that the insulation oxide layer and a basal body are higher in binding force, proneness to coating shedding, instable discharge and the like is avoided, and the problem that the electrode bar needs to be replaced frequently due to the fact that the rear of the electrode bar close to the discharge end is contaminated by fiberglass easily is solved.
Description
Technical field
The present invention relates to optical fiber fusion welding technology field, particularly to a kind of making side of the electrode bar for optical fiber splicer
Method and electrode bar, and comprise the optical fiber splicer of this electrode bar.
Background technology
Optical fiber splicer is mainly used in the construction of optical cable and maintenance in optic communication.General work principle is to utilize high-voltage arc
Two optical fiber will be allowed to be fused into one with the gentle propulsion of high-precision motion mechanism while two profile of optic fibre fusings, to realize optical fiber
The coupling of mould field.Wherein, fused fiber splice is by implementing high voltagehigh frequency electric discharge on a pair of electrodes rod, producing welding high-temperature electric
Arc, thus melt fiber end face.
It is necessary to control the temperature of electric arc during fused fiber splice, general welding arc temperature is 2000 DEG C about.Additionally need
Control stablizing of electric arc, if during arc discharge, arc position drift swings, and end face all can be made to be heated and change, thus shadow
Ring welding quality.
Generally electrode bar, because the glass fibre of adhesion optical fiber easily makes discharge position shift in discharge process, affects
Discharge effect；Increase with discharge time, the glass fibre of adhesion increases therewith, after ten million electric discharge, due to the glass of adhesion
The electric discharge quality that fiber has a strong impact on electrode bar needs to change electrode bar.
Content of the invention
The present invention provides a kind of manufacture method of electrode bar, to solve electrode bar adhesion in discharge process in prior art
Glass fibre leads to electrode bar electric discharge fruit to be deteriorated and the frequent technical problem changed of needs.
The present invention provides a kind of electrode bar, is led with solving electrode bar adhesion glass fibre in discharge process in prior art
Electrode bar electric discharge fruit is caused to be deteriorated and need the technical problem often changed.
The present invention also provides a kind of optical fiber splicer being provided with above-mentioned electrode bar.
Technical scheme is as follows：
A kind of manufacture method of electrode bar, comprises the following steps：
First, make an electrode bar blank, described electrode bar blank includes barred body body or barred body body blank, and rod
Tip blank, the top of described rod tip blank has discharge end blank；
Then, high-temperature heat treatment is carried out to described electrode bar blank, make at least described rod tip of described electrode bar blank
The outer surface of blank is formed in situ one layer of insulation oxide layer；
Then, the discharge end blank of described electrode bar blank is processed, to obtain the discharge end of finished electrode rod, from
And obtain the electrode bar in the outer surface of the immediately part at described discharge end rear with insulation oxide layer, and in electrode bar hair
Base is processed described barred body body blank and is obtained barred body body in the case of including described barred body body blank.
The present invention also provides a kind of electrode bar, and including barred body body and excellent tip, described rod tip is located at described barred body originally
One end of body, the tip portion of described rod tip is discharge end, the outer surface setting of at least described rod tip of described electrode bar
One generated in-situ insulation oxide layer, simultaneously described discharge end be not provided with insulation oxide layer, so that described discharge end is in
Allow conducting state.
Present invention simultaneously provides a kind of optical fiber splicer being provided with above-mentioned electrode bar.
Compared with prior art, beneficial effects of the present invention are as follows：
1st, the electrode bar that the present invention provides can make its electric arc sending keep certain path, keeps arc discharge quality；
2nd, the present invention is provided with insulation oxide layer due to the rear of the immediately discharge end in electrode bar, makes the glass of adhesion
Fiber does not interfere with electrode bar electric discharge, greatly reduces the replacing of electrode bar；
3. the insulation oxide layer of the electrode bar of the present invention is generated in-situ, insulation oxide layer and electrode bar matrix
The bond strength on surface is greatly it is not easy to cause insulation oxide layer to come off, thus avoiding electric discharge shakiness and the needs thus leading to
Often change the problem of electrode bar；
4. the insulation oxide layer on the electrode bar surface of the present invention is due to being generated in-situ, rather than spray up,
Thus not containing pore, therefore electrode bar is not readily susceptible to the corrosion of environment；
5. the manufacture method of the electrode bar of the present invention low, the one-shot forming that has an operation easier, the advantages of reduce production cost.
Certainly, the arbitrary product implementing the present invention it is not absolutely required to reach all the above advantage simultaneously.
Brief description
Fig. 1 is the structural representation of the electrode bar of prior art；
Fig. 2 is the structural representation of the electrode bar blank of one embodiment of the invention；
Fig. 3 is the structural representation of the high-temperature process part of electrode bar blank of one embodiment of the invention；
Fig. 4 is the structural representation of the discharge end blank removal redundance of the electrode bar blank of one embodiment of the invention.
Specific embodiment
Existing electrode bar sticks in electrode bar rear end due to glass fibre, can affect discharge effect after long-time use,
Lead to electrode bar to need to change, thus lead to electrode bar to be changed more frequent.For solving this problem, Chinese patent application
" 201110000507.3 " disclose " a kind of electrode bar of tape insulation coating and the optical fiber splicer comprising this electrode bar ", this electricity
Extremely rod sprays a high-temperature insulating coating using supersonic velocity technique in excellent tip excircle, and high-temperature insulating coating is typically using pottery
The insulant such as porcelain or carborundum, this high-temperature insulating coating uncoated described rod pointed tip（Discharge end）On, make excellent pinnacle
End（Discharge end）It is in permission conducting state.Although technique scheme solves glass fibre to a certain extent on electrode bar
The problem of adhesion, but its technique has following defect：Coating is mechanical coupling fashion, coating and base with the combination of matrix
The bond strength in body surface face is poor, the coating self-strength difficult to reach parent metal intensity of itself, therefore easily causes coating and take off
Fall, shakiness of discharging, to a certain extent there is still a need for often change electrode bar.Additionally, technique scheme is due to adopting supersonic speed
Spraying coating process, there is certain pore in coating, easily corroded by environment, and then affects electrode bar discharge effect and electrode bar
Service life.In prior art, another kind of solution is sheathed protective case on electrode bar, but the technique of this method and
Operation is quite loaded down with trivial details.
Refer to Fig. 1, wherein show the structural representation of the electrode bar of a prior art, wherein, generally indicating
The periphery setting coating of the part for b or sheathed protective case, the part being denoted as a is discharge end, and its outer surface is not provided with coating
Also not sheathed protective case.Existing coating process is the electrode bar first processing shape shown in Fig. 1, then b part is applied
Layer setting.But this coating method to set up, using traditional mechanical combination, coating is poor with the bond strength of matrix surface,
The coating self-strength difficult to reach parent metal intensity of itself, easily causes coating shedding, electric discharge shakiness, to a certain extent still
So need often to change electrode bar.In addition, the existing method operation easier that electrode bar is carried out with coating setting is greatly, relatively costly.
For the problems referred to above, the present invention provides a kind of manufacture method of electrode bar, and the method mainly includes the following steps that：
First, make an electrode bar blank, this electrode bar blank can be for example electrode bar blank 2 as shown in Figure 2；Its
In, this electrode bar blank 2 includes barred body body 21 and excellent tip blank 22；The tip portion of this excellent tip blank 22 is provided with electric discharge
End blank 221, this discharge end blank 221 is processed as the centrage of discharge end of finished electrode rod and the centrage of barred body body 21
Overlap.In general, the lateral surface girth of discharge end blank 221 is more than the electric discharge of the finished electrode rod of same axial location
The external diameter at end；Generally select discharge end blank is shaped as relatively regular and simple shape, such as a kind of electric discharge shown in Fig. 2
The shape of end blank, this discharge end blank is identical with the outline of the discharge end of finished electrode rod, but more thick.But at this
In bright, discharge end blank, in addition to can be selected for the shape of the cone shown in Fig. 2, also can adopt other various appearance profiles, this
The example of bright accompanying drawing 2 does not constitute restriction to the shape of the surface profile of discharge end blank, and actually all lateral surface girths are more than
The discharge end blank of the various external surface shape of discharge end external diameter of finished electrode rod of same axial location all can be in the present invention
Middle employing.For example, such as it is in the consideration of processability, the surface profile shape of discharge end blank may be selected the shape of easy processing, removes
Outside cone shape, column, the other shapes such as spherical also may be selected.Additionally, in the embodiment shown in Figure 2, electrode bar blank 2 has
There is the barred body body 21 that size is coincide with finished electrode rod, but barred body body 21 can also be more than same axial direction with lateral surface girth
Replacing, the lateral surface shape of this barred body body blank is optional for the barred body body blank of the barred body body of finished electrode rod of position
Select any shape and be not limited to only cylinder.This barred body body blank can be further processed into electricity in the follow-up course of processing
Extremely excellent barred body body.
In non-limiting embodiments, the step making described electrode bar blank such as electrode bar blank 2 is as follows：
Step A, dispensing, preferably according to following formula dispensing：
Ce cerium<0.0005%,
La lanthanum<0.0005%,
Zr zirconium≤0.0072%,
Y yttrium<0.00061%,
W tungsten remainder.
Above-mentioned preferred formula can ensure the intensity of finished electrode rod made and toughness simultaneously.
Several specific embodiments of above-mentioned dispensing refer to-No. 4 samples of No. 1 sample of table 1 below.
Table 1
Wherein, the intensity of material of above-mentioned 4 samples and toughness all meet the requirement of electrode bar material.
Step B, die mould；
Step C, pre-burning；
Step D, sintering；
Step E, machining, obtain the shape of the electrode bar blank 2 for example shown in Fig. 2.Certainly, same using above-mentioned steps
Other shapes of electrode bar blank can be obtained.
Wherein, above-mentioned die mould, pre-burning, sintering, machining are the routine techniquess that metal electrode bar manufactures field, and it adds
Work technique and parameter can be selected according to prior art by those skilled in the art and be optimized.
Then, high-temperature heat treatment is carried out at least excellent tip blank 22 of electrode bar blank 2, such as only to excellent tip blank
22 carry out high-temperature heat treatment, or carry out high-temperature heat treatment to whole electrode bar blank 2, or to excellent tip blank 22 and with
Its a part of barred body body 21 connecting（Can be the C region described in Fig. 3）Carry out high-temperature heat treatment, make whole electrode bar hair
The outer surface of base 2 or excellent tip blank 22 or excellent tip blank 22 and connected a part of barred body body 21 is formed in situ
One layer of insulation oxide layer；Preferably at high temperature（For example for being manufactured using above-described embodiment formula based on wolfram element
Electrode bar blank 2, usually 3000 DEG C）C shown in the outer surface of excellent tip blank 22 of oxidizing electrode rod blank 2 or Fig. 3
Partial outer surface, makes one layer of insulation of outer surface in-situ preparation of the C portion shown in the outer surface of excellent tip blank 22 or Fig. 3
Tungsten oxide layer；
Then, remove the redundance of the discharge end blank 221 of electrode bar blank 2 by processing, processing mode for example will
Cutting line part shown in Fig. 4 is got on the bus in lathe and is removed, to obtain the discharge end of finished electrode rod, thus obtaining finished electrode
Rod.If electrode bar includes barred body body blank, in this step barred body body blank can be processed as barred body body simultaneously.
Wherein, the method for redundance removing discharge end blank 221 and barred body body blank, in addition to using lathe, it is also possible to use other
Multiple machining process that can reach same purpose.The axial direction of the discharge end of finished electrode rod obtaining after this step is long
Degree is identical with conventional electrodes rod, is generally maintained at below 2mm.
The manufacture method step of the above-mentioned electrode bar that the present invention provides is simple, and operation easier is low, saves manufacturing cost；Pass through
The electrode bar that said method is obtained can make its electric arc sending keep certain path, keeps arc discharge quality；Simultaneously as
The discharge end rear of electrode bar is provided with insulation oxide layer, makes the glass fibre of adhesion not interfere with electrode bar electric discharge, greatly
The big replacing reducing electrode bar；Additionally, the insulation oxide layer of the electrode bar of the present invention is generated in-situ, insulation oxide layer
Big with the bond strength of electrode bar matrix surface it is not easy to cause insulation oxide layer to come off, thus avoiding thus lead to put
Electricity is unstable and needs often to change the problem of electrode bar；Further, the insulation oxide layer on the electrode bar surface of the present invention by
Then generated in-situ, rather than spray up, thus not containing pore, therefore electrode bar is not readily susceptible to the corrosion of environment.
The present invention also provides a kind of electrode bar simultaneously, and this electrode bar includes barred body body and excellent tip, and excellent tip is located at rod
One end of body body, the tip portion of excellent tip is discharge end, and the outer surface setting one of at least described rod tip of electrode bar is former
Position generate insulation oxide layer, simultaneously discharge end be not provided with insulation oxide layer so that described discharge end be in permission conducting
State.Wherein, insulation oxide layer can be arranged in addition to discharge end whole electrode bar or be provided only in addition to discharge end
Excellent tip or a part for the excellent tip being arranged in addition to discharge end and the barred body body being attached thereto（One non-limiting examples
B part as shown in Figure 1）.The above-mentioned electrode bar that the present invention provides, insulation oxide layer in-situ preparation is in the electric discharge of electrode bar
End rear, the bond strength of insulation oxide layer and matrix is big, adhesion strong it is not easy to cause coating shedding, thus avoid by
The unstable problem often changing electrode bar with needs of electric discharge that this leads to.One of present invention electrode bar provided herein is concrete to make
Making method can a kind of manufacture method of electrode bar as described above.
The present invention also provides a kind of optical fiber splicer being provided with any of the above-described kind of electrode bar, and this electrode bar is with common dress
Formula formula is assemblied on described optical fiber splicer.
Present invention disclosed above preferred embodiment is only intended to help illustrate the present invention.Preferred embodiment is not detailed
Describe all of details, also do not limit the specific embodiment that this invention is only described.Obviously, the content according to this specification,
Can make many modifications and variations.This specification is chosen and is specifically described these embodiments, is to preferably explain the present invention
Principle and practical application so that skilled artisan can be best understood by and utilize the present invention.The present invention is only
Limited by claims and its four corner and equivalent.
Claims (7)
1. a kind of manufacture method of electrode bar is it is characterised in that comprise the following steps：
First, make an electrode bar blank, described electrode bar blank includes barred body body or barred body body blank, and excellent tip
Blank, the top of described rod tip blank has discharge end blank；
Then, high-temperature oxydation heat treatment is carried out to described electrode bar blank, make at least described rod tip of described electrode bar blank
The outer surface of blank is formed in situ one layer of insulation oxide layer；
Then, the discharge end blank of described electrode bar blank is processed, removes the insulation oxide layer on its surface and obtain
The discharge end of finished electrode rod, this discharge end is in permission conducting state, thus obtaining the portion at immediately described discharge end rear
The outer surface dividing has the electrode bar of the insulation oxide layer being formed in situ, and includes described this chaeta of barred body in electrode bar blank
Process described barred body body blank in the case of base and obtain barred body body.
2. the manufacture method of electrode bar according to claim 1 is it is characterised in that described insulation oxide layer is tungsten oxide
Layer.
3. the manufacture method of electrode bar according to claim 2 includes joining it is characterised in that making described electrode bar blank
Material process, in described blending process, material content formula is as follows：
Ce cerium<0.0005%,
La lanthanum<0.0005%,
Zr zirconium≤0.0072%,
Y yttrium<0.00061%,
W tungsten remainder.
4. the manufacture method of electrode bar according to claim 1 is it is characterised in that the electrode bar of described making has insulation
The part of oxide skin(coating) is：Excellent tip portion in addition to discharge end, or the excellent tip portion in addition to discharge end and described rod
A part for body body, or the excellent tip portion in addition to discharge end and described barred body body whole.
5. electrode bar according to claim 1 manufacture method it is characterised in that described obtain finished electrode rod put
The axial length at electric end is in below 2mm.
6. the electrode bar that in a kind of claim 1-5, the manufacture method of arbitrary described electrode bar is obtained.
7. a kind of optical fiber splicer of the electrode bar being provided with described in claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410638492.7A CN104360444B (en) | 2014-11-13 | 2014-11-13 | Electrode bar production method, electrode bar and fusion splicer comprising electrode bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410638492.7A CN104360444B (en) | 2014-11-13 | 2014-11-13 | Electrode bar production method, electrode bar and fusion splicer comprising electrode bar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104360444A CN104360444A (en) | 2015-02-18 |
| CN104360444B true CN104360444B (en) | 2017-02-15 |
Family
ID=52527724
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410638492.7A Active CN104360444B (en) | 2014-11-13 | 2014-11-13 | Electrode bar production method, electrode bar and fusion splicer comprising electrode bar |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10332986A (en) * | 1997-05-28 | 1998-12-18 | Sumitomo Electric Ind Ltd | Method and device for machining optical fiber end surface, and assembling method for optical connector |
| JP3524381B2 (en) * | 1998-04-30 | 2004-05-10 | 株式会社フジクラ | Discharge electrode holding device in optical fiber fusion splicer |
| CN1725063A (en) * | 2004-09-30 | 2006-01-25 | 北京大学 | Full optical fibre circular phase converter and its processing method |
| CN102207583A (en) * | 2011-01-04 | 2011-10-05 | 一诺仪器（威海）有限公司 | Electrode bar with insulating coating and optical fiber fusion splicer comprising electrode bar |
| CN203084236U (en) * | 2012-07-06 | 2013-07-24 | 株式会社藤仓 | Optical fiber fusion splicer |
-
2014
- 2014-11-13 CN CN201410638492.7A patent/CN104360444B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10332986A (en) * | 1997-05-28 | 1998-12-18 | Sumitomo Electric Ind Ltd | Method and device for machining optical fiber end surface, and assembling method for optical connector |
| JP3524381B2 (en) * | 1998-04-30 | 2004-05-10 | 株式会社フジクラ | Discharge electrode holding device in optical fiber fusion splicer |
| CN1725063A (en) * | 2004-09-30 | 2006-01-25 | 北京大学 | Full optical fibre circular phase converter and its processing method |
| CN102207583A (en) * | 2011-01-04 | 2011-10-05 | 一诺仪器（威海）有限公司 | Electrode bar with insulating coating and optical fiber fusion splicer comprising electrode bar |
| CN203084236U (en) * | 2012-07-06 | 2013-07-24 | 株式会社藤仓 | Optical fiber fusion splicer |
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| Publication number | Publication date |
|---|---|
| CN104360444A (en) | 2015-02-18 |
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Owner name: INNOINSTRUMENT (WEIHAI) CO., LTD. Free format text: FORMER OWNER: SHANGHAI WENGUANG AUTOMATION TECHNOLOGY CO., LTD. Effective date: 20150525 |
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Effective date of registration: 20150525 Address after: 264209 Weihai high tech Zone, Tianjin, No. 190 Shandong Road Hospital Applicant after: DH INFOTECH (WEIHAI) Inc. Address before: 201103 Shanghai city Xuhui District Yindu Road No. 466, building 3, Room 102 Applicant before: SHANGHAI WENGUANG AUTOMATION TECHNOLOGY CO.,LTD. |
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Address after: 264209 Weihai high tech Zone, Tianjin, No. 190 Shandong Road Hospital Applicant after: INNO INSTRUMENT (WEI HAI) Inc. Address before: 264209 Weihai high tech Zone, Tianjin, No. 190 Shandong Road Hospital Applicant before: DH INFOTECH (WEIHAI) Inc. Address after: 264209 Weihai high tech Zone, Tianjin, No. 190 Shandong Road Hospital Applicant after: INNO INSTRUMENT (CHINA). Inc. Address before: 264209 Weihai high tech Zone, Tianjin, No. 190 Shandong Road Hospital Applicant before: INNO INSTRUMENT (WEI HAI) Inc. |
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Denomination of invention: Production method of electrode rod and electrode rod, as well as optical fiber fusion splicer containing the electrode rod Effective date of registration: 20230423 Granted publication date: 20170215 Pledgee: SHANDONG WEIHAI RURAL COMMERCIAL BANK Co.,Ltd. Pledgor: INNO INSTRUMENT (CHINA). Inc. Registration number: Y2023980038792 |