CN103111779A - Welding mold - Google Patents
Welding mold Download PDFInfo
- Publication number
- CN103111779A CN103111779A CN2013100733296A CN201310073329A CN103111779A CN 103111779 A CN103111779 A CN 103111779A CN 2013100733296 A CN2013100733296 A CN 2013100733296A CN 201310073329 A CN201310073329 A CN 201310073329A CN 103111779 A CN103111779 A CN 103111779A
- Authority
- CN
- China
- Prior art keywords
- die body
- cavity
- die
- reaction chamber
- welding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000003466 welding Methods 0.000 title claims abstract description 41
- 239000002184 metal Substances 0.000 claims abstract description 29
- 229910052751 metal Inorganic materials 0.000 claims abstract description 29
- 238000013022 venting Methods 0.000 claims abstract description 26
- 239000000843 powder Substances 0.000 claims abstract description 17
- 125000006850 spacer group Chemical group 0.000 claims abstract description 14
- 239000003463 adsorbent Substances 0.000 claims abstract description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052802 copper Inorganic materials 0.000 claims abstract description 4
- 239000010949 copper Substances 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000003915 air pollution Methods 0.000 abstract description 2
- 238000010304 firing Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 10
- 239000003546 flue gas Substances 0.000 description 10
- 239000004020 conductor Substances 0.000 description 8
- 238000007599 discharging Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Images
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention provides a welding mold which comprises a mold body (1) and a mold cover (2). A reaction cavity (11), a drainage grove (12) and a welding cavity (13) are placed inside the mold body (1). The bottom surface of the reaction cavity (11) on top of the drainage grove (12) is provided with a metal spacer (3), wherein the metal spacer (3) prevents metal powder in the reaction cavity (11) from falling into the welding cavity (13) before the metal powder is reacted, and the melting point of the metal spacer is lower than that of metal copper. The top surface of the mold body (1) is provided with an inserting groove for a firing strip to insert. The welding mold is characterized in that the bottom surface of the mold cover (2) is provided with a venting cavity (21). The venting cavity (21 is communicated with an accommodating cavity (24) though a through hole (22), wherein the accommodating cavity (24) is placed on the upper portion of the mold cover (2), and adsorbent (7) which absorbs smog can be placed inside the accommodating cavity (24). A venting hole (23) communicated with the outer world is formed on one side surface of the accommodating cavity (24), while an opening (27) is placed on the other side surface of the accommodating cavity (24), wherein the adsorbent (7) can be put in the opening (27). A seal cover (4) for sealing the opening (27) is detachably covered on the opening (27). The welding mold is simple in structure. The mold cover is improved to ensure that smog produced inside the reaction cavity (11) is fully purified, and air pollution is avoided.
Description
Technical field
The present invention relates to the Mold Making technical field, specifically refer to a kind of weld mold.
Background technology
Welding is to realize the firm important means that connects between metal, and traditional welding must can be worked by the external power supply driving arrangement, and has the defective that efficient is low, labour intensity is large.therefore now for different welding materials, various weld molds have appearred, existing weld mold generally all comprises mold and die cover, form reaction chamber after mold and die cover are involutory in mold, drainage trough and welding chamber, the steel dish is placed in reaction chamber reaction chamber and drainage trough is separated, welding powder is positioned in reaction chamber, after the use burning torch is lighted ignition powder, thermit reaction occurs in welding powder in reaction chamber, the high temperature solution penetration steel dish that this reaction produces, flow to by drainage trough and weld the chamber, and in the welding chamber with the abutting end founding of two conductors to be connected together, thereby complete intermetallic chemistry welding.This weld mold need not the external energy, has the characteristics such as easy to carry, that operating efficiency is high, and whole welding process only needs several seconds time.All offer smoke intaking hole, venthole on the die cover plate of these weld molds in addition, make the flue gas that produces in reaction chamber to discharge by flue.
it is the Chinese utility model " a kind of weld mold " of CN201120131707.8 as the patent No., comprise that one is fixedly connected with collocation in order to weld the die ontology of the first conductor and the second conductor with fixture, one is arranged at retention device in the second conductor with the second conductor contact and the positioner that is connected with die ontology and, adjust positioner, the second conductor is pressed in die ontology, make in welding process the first conductor and the second conductor all the time the position relative fixing near and can not separate, thereby can not cause failure welding not weld even at all, and also can find out in drawing, the lower end of its die cover plate has smoke intaking hole, venthole is provided in a side of the upper end of die cover plate, flue gas is just directly discharged like this, similar with the cover plate of above-mentioned weld mold, can not play to the flue gas of discharging the effect of purification, and the flue gas of directly discharging also can be to environment, therefore its structure awaits to improve.
Summary of the invention
Technical problem to be solved by this invention be provide for the above-mentioned state of the art that a kind of structure is ingenious, handling safety and the weld mold that can purify the flue gas that produces when welding.
the present invention solves the problems of the technologies described above the technical scheme that adopts: a kind of weld mold, comprise die body, die cap, described die cap dismountable type is placed on die body, be provided with the reaction chamber of deposite metal powder in described die body, the welding chamber that supplies weldment to stretch into, described reaction chamber is positioned at the top in welding chamber, the bottom of described reaction chamber by drainage trough with the welding chamber be connected, be provided with the metal powder that prevents reaction chamber in the reaction chamber bottom surface that is arranged in described drainage trough top and fall to welding chamber and fusing point lower than the metal spacer of metallic copper before reaction, be provided with the slot that the bar of igniting that metal powder reacts is inserted at the end face of described die body, it is characterized in that: the bottom surface of described die cap is provided with venting cavity, described venting cavity via through holes is connected with the cavity volume that the adsorbent that absorbs smog can be placed in die cap top, one side of described cavity volume has the passage that is connected with the external world, and be provided with the opening that to put into adsorbent on the another side of described cavity volume, dismountable type ground lid is equipped with the capping for the sealing opening on described opening.
As improvement, described venting cavity is the inverted steps groove structure that the left side is dark, the right is shallow, and described through hole is positioned on the side on the venting cavity left side.
As improvement, described venting cavity has two, and to be arranged on the bottom surface of die cap, in described venting cavity, through hole is connected with described cavity volume respectively with mutually placing side by side.
As improvement, described through hole is connected with the cavity volume of described capping one end respectively.
As improvement, the bottom surface of described die cap is convexly equipped with and is boss, described venting cavity is the basal surface position that is arranged at boss, be concaved with the ring-shaped step ring suitable with the boss peripheral shape on the end face periphery of described die body, when die cap was placed on die body, the periphery of described boss was together with the ring-shaped step ring is supported on.
Improve, it is fixed with each other that screw or bolt and die cap are passed through in described capping again.
Improve again described reaction chamber bottom surface and be positioned at the drainage trough tip position and be provided with suitable with the metal spacer shape and metal spacer can be embedded at wherein ring-shaped step groove.
Further improve, described die body is that left die body and right die body involute, and described reaction chamber, drainage trough and welding chamber are to be symmetrical arranged after involutory and are put together.
Further improve, described right die body involutory surface is provided with the projection for convenient location, is provided with the shrinkage pool suitable with projection on the involutory surface of described left die body again, and when being combined, described projection is for being inserted in shrinkage pool when described right die body and left die body.
At last, described die body is that upper die body and lower mold body are to involute up and down, described reaction chamber and drainage trough are positioned at upper die body, upper die body bottom and lower mold body top involutory rear formation welding chamber, and be provided with the perforation that penetrates for weldment on two sides between upper die body bottom and lower mold body top.
compared with prior art, the invention has the advantages that: the venting cavity of inverted steps groove structure is offered in the bottom of die cap, the cavity volume that venting cavity can place through the through hole in left side and die cap top the adsorbent that absorbs smog is connected, passage is provided with the opposite side of die cap, so just form left, on, the discharge flue of right bending, make the flue gas that produces in reaction chamber pass through the discharge flue of longer distance, and the suction-operated by adsorbent in cavity volume, discharge after purifying after filtration, not only, the exhaust gas volumn of discharging greatly reduces, but also effectively avoided flue gas directly to enter atmosphere and to environment.In sum, the present invention's novelty simple in structure by the improvement to discharge flue on die cover plate, greatly reduces the exhaust gas volumn of discharge, and is fully purified; Also have, the improvement of the die cap flue gas passing away of this mould reduces the velocity of flue gas of discharge greatly, has eliminated the welding powder and in the course of reaction of fierceness, Mars has been discharged outside die body, has avoided the damage to operating personnel, makes use safer.
Description of drawings
Fig. 1 is the stereogram of the embodiment of the present invention;
Fig. 2 is the front projection figure of the die cap in Fig. 1;
Fig. 3 is that Fig. 2 is along the structure cutaway view of A-A line;
Fig. 4 is that Fig. 2 is along the structure cutaway view of B-B line;
Fig. 5 is that the die cap of Fig. 4 is at the structure cutaway view that is filled with under the adsorbent state;
Fig. 6 be in Fig. 1 in the involutory mould in left and right half mould and Fig. 3 cover structure chart on half die body;
Fig. 7 is the stereochemical structure exploded view of die cap;
Fig. 8 is that the weld mold of Fig. 2 is at the stereochemical structure top view of opening under the die cap state;
Fig. 9 is the further stereochemical structure exploded view of Fig. 2;
Figure 10 is the stereochemical structure exploded view of Fig. 2 different visual angles;
Figure 11 is another embodiment of the present invention stereochemical structure exploded view.
The specific embodiment
Embodiment is described in further detail the present invention below in conjunction with accompanying drawing.
as shown in the figure, a kind of weld mold, comprise die body 1, die cap 2, described die cap 2 dismountable types are placed on die body 1, be provided with the reaction chamber 11 of deposite metal powder in described die body 1, the welding chamber 13 of stretching into for weldment, described reaction chamber 11 is positioned at the top in welding chamber 13, the bottom of described reaction chamber 11 by drainage trough 12 with the welding chamber 13 be connected, be provided with the metal powder that prevents reaction chamber 11 in reaction chamber 11 bottom surfaces that are arranged in described drainage trough 12 tops and fall to welding chamber 13 and fusing point lower than the metal spacer 3 of metallic copper before reaction, be provided with the slot 20 that the bar of igniting that metal powder reacts is inserted at the end face of described die body 1, described reaction chamber 11 bottom surfaces and be positioned at drainage trough 12 tip positions and be provided with suitable with metal spacer 3 shapes and metal spacer 3 can be embedded at wherein ring-shaped step groove 111, the bottom surface of described die cap 2 is provided with venting cavity 21, described venting cavity 21 via through holes 22 are connected with the cavity volume 24 that the adsorbent 7 that absorbs smog can be placed in die cap 2 tops, one side of described cavity volume 24 has the passage 23 that is connected with the external world, and be provided with the opening 27 that to put into adsorbent 7 on the another side of described cavity volume 24, adsorbent 7 can adopt the materials such as active carbon, and dismountable type ground lid is equipped with the capping 4 for sealing opening 27 on described opening 27, described venting cavity 21 has two, the inverted steps groove structure dark for the left side, that the right is shallow, being arranged on the bottom surface of die cap 2, in described venting cavity 21, through hole 22 is positioned on the side on the left side of venting cavity 21 with mutually placing side by side, and the cavity volume 24 with described capping 4 one ends is connected respectively, the bottom surface of described die cap 2 is convexly equipped with and is boss 25, described venting cavity 21 is for being arranged at the basal surface position of boss 25, be concaved with the ring-shaped step ring 14 suitable with boss 25 peripheral shape on the end face periphery of described die body 1, when die cap 2 was placed on die body 1, the periphery of described boss 25 was together with ring-shaped step ring 14 is supported on, described capping 4 is rectangle, be provided with a backing plate 6 for enhanced leaktightness between capping 4 and opening 27, described backing plate 6 is embedded in opening 27 by dimensional fits, and be fixed by the described capping 4 in the outside, have through hole 22 on the diagonal angle end face of capping 4, described die cap 2 is provided with corresponding connecting hole 26, by screw 5, capping 4 removably is fixed on die cap 2.
The structure of die body 1 is divided into two kinds of situations, and is specific as follows:
Embodiment 1
Described die body 1 involutes for left die body 15 and right die body 16, described reaction chamber 11, drainage trough 12 and welding chamber 13 are to be symmetrical arranged after involutory and are put together, described right die body 16 involutory surfaces are provided with the projection 161 for convenient location, projection 161 is two, is arranged at respectively the isometry position of right die body 16 involutory surface the right and lefts; Be provided with on the involutory surface of described left die body 15 two with the suitable shrinkage pool 151 of projection 161, when described right die body 16 and 11 pairs of left die bodys were combined, described projection 161 was for being inserted in shrinkage pool 151.
Described die body 1 for upper die body 17 with lower mold body 18 to involute up and down, described reaction chamber 11 and drainage trough 12 are positioned at upper die body 17, upper die body 17 bottoms and lower mold body 18 tops involutory rear formation welding chamber 13, and be provided with the perforation 19 that penetrates for weldment on two sides between upper die body 17 bottoms and lower mold body 18 tops; The upper surface of described lower mold body 18 is provided with two positioning convex points 181, be respectively the left and right sides that the diagonal angle is arranged on the upper surface of lower mold body 18, the lower surface of upper die body 17 be provided with two with the positioning convex point 181 shapes corresponding detent in suitable and position mutually, up and down when being combined, described positioning convex point 181 is for being inserted in detent when described upper die body 17 and lower mold body 18.
when welding like this, die body 1 is fixing, metal spacer 3 is placed on the ring-shaped step groove 111 of reaction chamber 11 bottoms, pour metal powder in reaction chamber 11, the metalwork of needs welding is the docking shape from perforation 19 insertions of welding 13 two ends, chamber respectively, metal powder ignites by the bar of igniting, high-temperature liquid metal after fusing welds chamber 13 with the bottom fusing of metal spacer 3 from drainage trough 12 inflows, complete welding, and the flue gas that reaction produces is from entering in cavity volume 24 by the through hole 22 in the venting cavity 21 of die cap 2, through discharging from passage 23 again after the purification of the adsorbent in cavity volume 24, avoided waste gas directly to discharge the air pollution that causes.
Claims (10)
1. weld mold, comprise die body (1), die cap (2), described die cap (2) dismountable type is placed on die body (1), be provided with the reaction chamber (11) of deposite metal powder in described die body (1), the welding chamber (13) that supplies weldment to stretch into, described reaction chamber (11) is positioned at the top in welding chamber (13), the bottom of described reaction chamber (11) is connected with welding chamber (13) by drainage trough (12), be provided with the metal powder that prevents reaction chamber (11) in reaction chamber (11) bottom surface that is arranged in described drainage trough (12) top and fall to welding chamber (13) and fusing point lower than the metal spacer (3) of metallic copper before reaction, be provided with the slot (20) that the bar of igniting that metal powder reacts is inserted at the end face of described die body (1), it is characterized in that: the bottom surface of described die cap (2) is provided with venting cavity (21), described venting cavity (21) via through holes (22) is connected with the cavity volume (24) that the adsorbent (7) that absorbs smog can be placed in die cap (2) top, one side of described cavity volume (24) has the passage (23) that is connected with the external world, and be provided with the opening (27) that to put into adsorbent (7) on the another side of described cavity volume (24), upward cover the capping (4) that is equipped with for sealing opening (27) in dismountable type ground at described opening (27).
2. weld mold according to claim 1 is characterized in that: described venting cavity (21) is the inverted steps groove structure that the left side is dark, the right is shallow, and described through hole (22) is positioned on the side on venting cavity (21) left side.
3. weld mold according to claim 2, it is characterized in that: described venting cavity (21) has two, to be arranged on the bottom surface of die cap (2), in described venting cavity (21), through hole (22) is connected with described cavity volume (24) respectively with mutually placing side by side.
4. weld mold according to claim 3, it is characterized in that: described through hole (22) is connected with the cavity volume (24) of described capping (4) one ends respectively.
5. arbitrary described weld mold according to claim 1 to 4, it is characterized in that: the bottom surface of described die cap (2) is convexly equipped with and is boss (25), described venting cavity (21) is for being arranged at the basal surface position of boss (25), be concaved with the ring-shaped step ring (14) suitable with boss (25) peripheral shape on the end face periphery of described die body (1), when die cap (2) was placed on die body (1), the periphery of described boss (25) was together with ring-shaped step ring (14) is supported on.
6. arbitrary described weld mold according to claim 1 to 4 is characterized in that: described capping (4) is fixed with each other by screw or bolt and die cap (2).
7. arbitrary described weld mold according to claim 1 to 4 is characterized in that: described reaction chamber (11) bottom surface and be positioned at drainage trough (12) tip position and be provided with suitable with metal spacer (3) shape and metal spacer (3) can be embedded at wherein ring-shaped step groove (111).
8. arbitrary described weld mold according to claim 1 to 4, it is characterized in that: described die body (1) is for left die body (15) and right die body (16) involute, and described reaction chamber (11), drainage trough (12) and welding chamber (13) are to be symmetrical arranged after involutory and are put together.
9. weld mold according to claim 8, it is characterized in that: described right die body (16) involutory surface is provided with the projection (161) for convenient location, be provided with the shrinkage pool (151) suitable with projection (161) on the involutory surface of described left die body (15), when being combined, described projection (161) is for being inserted in shrinkage pool (151) when described right die body (16) and left die body (15).
10. arbitrary described weld mold according to claim 1 to 4, it is characterized in that: described die body (1) for upper die body (17) and lower mold body (18) to involute up and down, described reaction chamber (11) and drainage trough (12) are positioned at upper die body (17), upper die body (17) bottom and lower mold body (18) top involutory rear formation welding chamber (13), and be provided with the perforation (19) that penetrates for weldment on two sides between upper die body (17) bottom and lower mold body (18) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310073329.6A CN103111779B (en) | 2013-03-07 | 2013-03-07 | Weld mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310073329.6A CN103111779B (en) | 2013-03-07 | 2013-03-07 | Weld mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103111779A true CN103111779A (en) | 2013-05-22 |
| CN103111779B CN103111779B (en) | 2015-11-25 |
Family
ID=48410193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310073329.6A Active CN103111779B (en) | 2013-03-07 | 2013-03-07 | Weld mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103111779B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106078014A (en) * | 2016-07-26 | 2016-11-09 | 宁波高新区远创科技有限公司 | For welding the weld mold of powder |
| CN106670687A (en) * | 2017-02-16 | 2017-05-17 | 宁波高新区远创科技有限公司 | Die cover structure for welding die |
| CN109955010A (en) * | 2019-03-27 | 2019-07-02 | 上海永锦电气技术股份有限公司 | A kind of protection type exothermic welding mould |
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| US4889324A (en) * | 1987-03-25 | 1989-12-26 | Erico International Corporation | Exothermic welding apparatus and method |
| WO2008077957A1 (en) * | 2006-12-26 | 2008-07-03 | Fci | Crucible for melting a thermit material having a glass or metal layer; thermit welding device with such crucible |
| US20090173873A1 (en) * | 2008-01-04 | 2009-07-09 | Stidham Curtis R | Exothermic Welding Assembly |
| CN201313237Y (en) * | 2008-12-04 | 2009-09-23 | 西安杰邦科技有限公司 | Novel metal welding die |
| US8074864B2 (en) * | 2009-12-07 | 2011-12-13 | Continental Industries, Inc. | Ignition source system for an exothermic reaction mold device |
| CN202079368U (en) * | 2011-04-28 | 2011-12-21 | 长屏(北京)电磁防护技术有限公司 | Welding mould |
| CN202539805U (en) * | 2012-05-03 | 2012-11-21 | 中建五局第三建设有限公司 | Same or different metal heat release welding connection die |
| CN203109471U (en) * | 2013-03-07 | 2013-08-07 | 何迎春 | Welding mold |
-
2013
- 2013-03-07 CN CN201310073329.6A patent/CN103111779B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4889324A (en) * | 1987-03-25 | 1989-12-26 | Erico International Corporation | Exothermic welding apparatus and method |
| WO2008077957A1 (en) * | 2006-12-26 | 2008-07-03 | Fci | Crucible for melting a thermit material having a glass or metal layer; thermit welding device with such crucible |
| US20090173873A1 (en) * | 2008-01-04 | 2009-07-09 | Stidham Curtis R | Exothermic Welding Assembly |
| CN201313237Y (en) * | 2008-12-04 | 2009-09-23 | 西安杰邦科技有限公司 | Novel metal welding die |
| US8074864B2 (en) * | 2009-12-07 | 2011-12-13 | Continental Industries, Inc. | Ignition source system for an exothermic reaction mold device |
| CN202079368U (en) * | 2011-04-28 | 2011-12-21 | 长屏(北京)电磁防护技术有限公司 | Welding mould |
| CN202539805U (en) * | 2012-05-03 | 2012-11-21 | 中建五局第三建设有限公司 | Same or different metal heat release welding connection die |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106078014A (en) * | 2016-07-26 | 2016-11-09 | 宁波高新区远创科技有限公司 | For welding the weld mold of powder |
| CN106078014B (en) * | 2016-07-26 | 2018-06-05 | 宁波高新区远创科技有限公司 | For welding the weld mold of powder |
| CN106670687A (en) * | 2017-02-16 | 2017-05-17 | 宁波高新区远创科技有限公司 | Die cover structure for welding die |
| CN109955010A (en) * | 2019-03-27 | 2019-07-02 | 上海永锦电气技术股份有限公司 | A kind of protection type exothermic welding mould |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103111779B (en) | 2015-11-25 |
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Effective date of registration: 20151210 Address after: 315000 Zhejiang city of Ningbo province high tech Zone No. 1558 Jiangnan Road, Zhejiang branch building room 1816 Patentee after: NINGBO HIGH-TECH YUANCHUANG TECHNOLOGY CO., LTD. Address before: 315000 Zhejiang city of Ningbo province high tech Zone No. 1558 Jiangnan Road, building 1617 room Zhejiang branch of Ningbo high tech Zone far Technology Co. Ltd. Patentee before: He Yingchun |
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Effective date of registration: 20191028 Address after: 215400 West 8th Floor, Pioneering Center, No. 6 Beijing West Road, Taicang City, Suzhou City, Jiangsu Province Patentee after: Suzhou Bijia Internet Technology Co., Ltd. Address before: 315000 Zhejiang city of Ningbo province high tech Zone No. 1558 Jiangnan Road, Zhejiang branch building room 1816 Patentee before: NINGBO HIGH-TECH YUANCHUANG TECHNOLOGY CO., LTD. |