CN102118000B - Method for manufacturing photovoltaic connector - Google Patents
Method for manufacturing photovoltaic connector Download PDFInfo
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- CN102118000B CN102118000B CN2010105354697A CN201010535469A CN102118000B CN 102118000 B CN102118000 B CN 102118000B CN 2010105354697 A CN2010105354697 A CN 2010105354697A CN 201010535469 A CN201010535469 A CN 201010535469A CN 102118000 B CN102118000 B CN 102118000B
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- plastics
- injection moulding
- tapered end
- melt temperature
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000004033 plastic Substances 0.000 claims abstract description 73
- 229920003023 plastic Polymers 0.000 claims abstract description 73
- 238000001746 injection moulding Methods 0.000 claims abstract description 68
- 238000001816 cooling Methods 0.000 claims abstract description 21
- 239000004020 conductor Substances 0.000 claims description 29
- 239000000155 melt Substances 0.000 claims description 22
- 239000000565 sealant Substances 0.000 claims description 17
- 239000004727 Noryl Substances 0.000 claims description 12
- 229920001207 Noryl Polymers 0.000 claims description 12
- 239000004417 polycarbonate Substances 0.000 claims description 10
- 229920000515 polycarbonate Polymers 0.000 claims description 10
- 229920000098 polyolefin Polymers 0.000 claims description 8
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 4
- 229920006380 polyphenylene oxide Polymers 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 24
- 238000007789 sealing Methods 0.000 abstract description 6
- 238000002844 melting Methods 0.000 abstract 6
- 230000008018 melting Effects 0.000 abstract 6
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000000465 moulding Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 238000009413 insulation Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000005336 cracking Methods 0.000 description 5
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
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- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention provides a method for manufacturing a photovoltaic connector, comprising the following steps of: connecting a connector conductive body with a cable conductive body; placing the connector conductive body and the cable conductive body in a forming mold I, melting plastic I and then injecting into the forming mold I, cooling and taking out to finish the injection molding of a connection layer so as to form a connector body, wherein the melting temperature of the plastic I is between 180 DEG C and 250 DEG C; melting plastic II and then injecting into a forming mold II, cooling and taking out to finish the injection molding of a tapered end so as to form the tapered end, wherein the melting temperature of the plastic II is between 160 DEG C and 230 DEG C; and placing the tapered end and the connector body in a forming mold III, melting plastic III and then injecting into the forming mold III, cooling and taking out to finish the injection molding of a sealing layer so as to form the finished connector product, wherein the melting temperature of the plastic III is between 100 DEG C and 150 DEG C. In the invention, the technical process is simple; and the components of the plastic materials are not limited and are wider in choice, thereby having high flexibility in the actual production and being beneficial to controlling the cost.
Description
Technical field
The present invention relates to field of connectors, particularly the manufacture method of photovoltaic connector.
Background technology
The enhancing of Along with people's environmental consciousness; Photovoltaic industry has obtained develop rapidly in recent years; Photovoltaic generation mainly relies on setting battery sheet in the sun to obtain direct current through opto-electronic conversion, connects inverter, the alternating current that formation can directly be used through photovoltaic connector then; Photovoltaic connector generally also is arranged in the abominable outdoor bad border; Therefore photovoltaic connector must have good heat-resistance, low temperature and performance such as corrosion-resistant, also will possess suitable hardness simultaneously to reach the purpose of resistance to compression, resistance to deformation, and the heating of electric conductor is also very important in addition.
Owing to above reason; Present photovoltaic connector generally all adopt melt temperature at the plastics more than 200 ℃ as sheathing material; All have good hardness, performance such as high temperature resistant, low temperature resistant and corrosion-resistant after the general moulding of these plastics; Adopt single injection-molded technology simultaneously, the simple cost of technical process is lower.But such manufacture method has very fatal defective; The external protection resistance to elevated temperatures of cable is limited, and generally below 180 ℃, happy and harmonious temperature is easy to destroy the external protection of cable in injection moulding process at the plastics more than 200 ℃; Particularly edge's cable external protection of connector shell destroys obviously; And this position in use receives torsion through regular meeting, and the cable that is destroyed external protection is easy to break under the The Long-term Effect of torsion, causes serious consequences such as electric leakage.If change the connector shell plastics into melt temperature low plastic material; Can well solve the damaged problem of cable external protection; Brought resistance to elevated temperatures poor but melt temperature is low; Particularly directly wrap up the part of electric conductor, electric conductor can send the plastic casing temperature that great amount of heat causes wrapping up and rise, thereby and low will causing of the plastic casing melt temperature of parcel directly had serious consequences by the electric conductor fusing.Therefore, the shell of photovoltaic connector need satisfy simultaneously electric conductor parcel position high temperature resistant, with the low performance of cable contact site melt temperature, obviously utilize a kind of technology of plastic material single injection-molded to be difficult to reach these requirements.
Summary of the invention
To above-mentioned defective; The manufacture method of photovoltaic connector provided by the invention; Adopt three kinds of different plastics materials to carry out three injection mo(u)ldings, it is good, low with cable contact site casing plastic melt temperature to reach electric conductor wrapping portion casing plastic resistance to elevated temperatures, thereby neither damages the high temperature that the cable external protection can be resisted electric conductor again; This manufacture method is skillfully constructed, technical process is very not complicated yet simultaneously, has good marketing prospect.
The manufacture method of photovoltaic connector provided by the invention may further comprise the steps:
The connector electric conductor is connected with the cable conduction body;
Above-mentioned connector electric conductor and cable conduction body are placed in the mould one; This mould one is injected in plastics one fusing back; The cooling back is taken out and is accomplished the articulamentum injection moulding, form connector body, and the melt temperature of these plastics one is between 180 ℃ to 250 ℃;
In plastics two fusing back injection moulding moulds two, the cooling back is taken out and is accomplished the tapered end injection moulding, form tapered end, and the melt temperature of these plastics two is between 160 ℃ to 230 ℃;
Above-mentioned tapered end and connector body are placed in the mould three, plastics three are dissolved the back inject this mould three, and the cooling back is taken out and accomplished the sealant injection moulding, form the connector finished product, and the melt temperature of these plastics three is between 100 ℃ to 150 ℃.
Specifically: connector electric conductor and cable conduction body are set up and are put into mould one after the good electrical connection and carry out the articulamentum injection moulding; The melt temperature of the plastics one that the articulamentum injection moulding is used is between 180 ℃ to 250 ℃; Higher melt temperature makes articulamentum have great high-temperature resistant; Can resist the heat that electric conductor sends, these plastics one also need possess key propertys such as good insulation performance, tension, cracking resistance except melt temperature is higher certainly;
The injection moulding process of tapered end is independently to carry out, and tapered end is the clamping unit when connecting locking, need possess good hardness and fracture resistance, and the plastic material that possesses these characteristics still is many, so the face selected of plastics two is wider;
Earlier tapered end is installed on the connector body during injection moulding for the third time; Put into mould three and carry out injection moulding, form sealant, the sealing layer is with the complete covering protection in damaged position of articulamentum and cable contact site; Simultaneously tapered end and connector body are fixed; The melt temperature of plastics three is between 100 ℃ to 150 ℃, and injection moulding process can not destroy the external protection of cable, also should possess good flexible after these plastics three moulding simultaneously.
Photovoltaic connector manufacture method of the present invention is divided into articulamentum, tapered end and three parts of sealant with connector, carries out injection moulding respectively, and the performance of various piece can both be met the demands.Simultaneously select corresponding plastic material according to the performance requirement of various piece, the composition of plastic material does not need to limit, and selects widely, and the flexibility height helps controlling cost in actual production.
Preferably, the melt temperature of above-mentioned plastics one is between 200 ℃ to 220 ℃, and the melt temperature of above-mentioned plastics two is between 190 ℃ to 210 ℃, and the melt temperature of above-mentioned plastics three is between 115 ℃ to 130 ℃.
Preferably, above-mentioned plastics one are polyphenylene oxide or Noryl.
Preferably, above-mentioned plastics two are modified polycarbonate.
Preferably, above-mentioned plastics three are Noryl or improved polyalkene.
Preferred version is that the inventor used more reasonable materials in process of the test, and essence in fact of the present invention is the technology of three injection mouldings, and the selection of non-plastic material.
Compared with prior art, the manufacture method of photovoltaic connector provided by the invention is divided into articulamentum, tapered end and three parts of sealant with connector; Articulamentum uses the higher plastic material of melt temperature to carry out an injection moulding, satisfies the resistant to elevated temperatures requirement of articulamentum, and hardness and the high plastic material of fracture resistance carry out an injection moulding after the tapered end use moulding; Satisfy tapered end and tighten desired chucking dynamics and fastness; Sealant uses the lower plastic material of melt temperature to carry out an injection moulding, avoids the damage of cable external protection, and lower melt temperature generally has reasonable pliability simultaneously; In the connector use, avoid causing damage to the cable external protection; The photovoltaic connector each several part performance characteristics of three injection mo(u)ldings is outstanding, and production process is flexible, and technology is simple; Plastic material is selected wide, has good marketing prospect.
Embodiment
Below be embodiment provided by the invention:
Embodiment 1
The manufacture method of the photovoltaic connector that the embodiment of the invention 1 provides may further comprise the steps:
The connector electric conductor is connected with the cable conduction body; Above-mentioned connector electric conductor and cable conduction body are placed in the mould one, under 180 ℃ temperature, polyphenylene oxide are melted and inject this mould one, and the cooling back is taken out and accomplished the articulamentum injection moulding, the formation connector body;
With in modified polycarbonate fusing and the injection moulding mould two, the cooling back is taken out and is accomplished the tapered end injection moulding, forms tapered end under 160 ℃ temperature;
Above-mentioned tapered end and connector body are placed in the mould three, under 100 ℃ temperature, Noryl are dissolved and inject this mould three, the cooling back is taken out and is accomplished the sealant injection moulding, forms the connector finished product.
Explain: connector electric conductor and cable conduction body are set up and are put into mould one after the good electrical connection and carry out the articulamentum injection moulding; The melt temperature of the polyphenylene oxide that the articulamentum injection moulding is used is 180 ℃; Higher melt temperature makes articulamentum have great high-temperature resistant; Can resist the heat that electric conductor sends, these plastics one also need possess key propertys such as good insulation performance, tension, cracking resistance except melt temperature is higher certainly;
The injection moulding process of tapered end is independently to carry out, and tapered end is the clamping unit when connecting locking, need possess good hardness and fracture resistance, and modified polycarbonate can satisfy these requirements;
Earlier tapered end is installed on the connector body during injection moulding for the third time; Put into mould three and carry out injection moulding, form sealant, the sealing layer is with the complete covering protection in damaged position of articulamentum and cable contact site; Simultaneously tapered end and connector body are fixed; The melt temperature of Noryl is 100 ℃, and 100 ℃ temperature can not destroyed the external protection of cable in injection moulding process, also should possess good flexible after these plastics three moulding simultaneously.
Embodiment 2
The manufacture method of the photovoltaic connector that the embodiment of the invention 2 provides may further comprise the steps:
The connector electric conductor is connected with the cable conduction body; Above-mentioned connector electric conductor and cable conduction body are placed in the mould one, under 250 ℃ temperature, Noryl are melted and inject this mould one, and the cooling back is taken out and accomplished the articulamentum injection moulding, the formation connector body;
With in modified polycarbonate fusing and the injection moulding mould two, the cooling back is taken out and is accomplished the tapered end injection moulding, forms tapered end under 230 ℃ temperature;
Above-mentioned tapered end and connector body are placed in the mould three, under 150 ℃ temperature, improved polyalkene are dissolved and inject this mould three, the cooling back is taken out and is accomplished the sealant injection moulding, forms the connector finished product.
Explain: connector electric conductor and cable conduction body are set up and are put into mould one after the good electrical connection and carry out the articulamentum injection moulding; The melt temperature of the Noryl that the articulamentum injection moulding is used is 250 ℃; Higher melt temperature makes articulamentum have great high-temperature resistant; Can resist the heat that electric conductor sends, these plastics one also need possess key propertys such as good insulation performance, tension, cracking resistance except melt temperature is higher certainly;
The injection moulding process of tapered end is independently to carry out, and tapered end is the clamping unit when connecting locking, need possess good hardness and fracture resistance, and modified polycarbonate can satisfy these requirements;
Earlier tapered end is installed on the connector body during injection moulding for the third time; Put into mould three and carry out injection moulding, form sealant, the sealing layer is with the complete covering protection in damaged position of articulamentum and cable contact site; Simultaneously tapered end and connector body are fixed; The melt temperature of improved polyalkene is 150 ℃, and 150 ℃ temperature can not destroyed the external protection of cable in injection moulding process, also should possess good flexible after these plastics three moulding simultaneously.
Embodiment 3
The manufacture method of the photovoltaic connector that the embodiment of the invention 3 provides may further comprise the steps:
The connector electric conductor is connected with the cable conduction body; Above-mentioned connector electric conductor and cable conduction body are placed in the mould one, under 200 ℃ temperature, Noryl are melted and inject this mould one, and the cooling back is taken out and accomplished the articulamentum injection moulding, the formation connector body;
With in modified polycarbonate fusing and the injection moulding mould two, the cooling back is taken out and is accomplished the tapered end injection moulding, forms tapered end under 190 ℃ temperature;
Above-mentioned tapered end and connector body are placed in the mould three, under 115 ℃ temperature, improved polyalkene are dissolved and inject this mould three, the cooling back is taken out and is accomplished the sealant injection moulding, forms the connector finished product.
Explain: connector electric conductor and cable conduction body are set up and are put into mould one after the good electrical connection and carry out the articulamentum injection moulding; The melt temperature of the Noryl that the articulamentum injection moulding is used is 200 ℃; Higher melt temperature makes articulamentum have great high-temperature resistant; Can resist the heat that electric conductor sends, these plastics one also need possess key propertys such as good insulation performance, tension, cracking resistance except melt temperature is higher certainly;
The injection moulding process of tapered end is independently to carry out, and tapered end is the clamping unit when connecting locking, need possess good hardness and fracture resistance, and modified polycarbonate can satisfy these requirements;
Earlier tapered end is installed on the connector body during injection moulding for the third time; Put into mould three and carry out injection moulding, form sealant, the sealing layer is with the complete covering protection in damaged position of articulamentum and cable contact site; Simultaneously tapered end and connector body are fixed; The melt temperature of improved polyalkene is 115 ℃, and 115 ℃ temperature can not destroyed the external protection of cable in injection moulding process, also should possess good flexible after these plastics three moulding simultaneously.
Embodiment 4
The manufacture method of the photovoltaic connector that the embodiment of the invention 4 provides may further comprise the steps:
The connector electric conductor is connected with the cable conduction body; Above-mentioned connector electric conductor and cable conduction body are placed in the mould one, under 220 ℃ temperature, Noryl are melted and inject this mould one, and the cooling back is taken out and accomplished the articulamentum injection moulding, the formation connector body;
With in modified polycarbonate fusing and the injection moulding mould two, the cooling back is taken out and is accomplished the tapered end injection moulding, forms tapered end under 210 ℃ temperature;
Above-mentioned tapered end and connector body are placed in the mould three, under 130 ℃ temperature, improved polyalkene are dissolved and inject this mould three, the cooling back is taken out and is accomplished the sealant injection moulding, forms the connector finished product.
Explain: connector electric conductor and cable conduction body are set up and are put into mould one after the good electrical connection and carry out the articulamentum injection moulding; The melt temperature of the Noryl that the articulamentum injection moulding is used is 220 ℃; Higher melt temperature makes articulamentum have great high-temperature resistant; Can resist the heat that electric conductor sends, these plastics one also need possess key propertys such as good insulation performance, tension, cracking resistance except melt temperature is higher certainly;
The injection moulding process of tapered end is independently to carry out, and tapered end is the clamping unit when connecting locking, need possess good hardness and fracture resistance, and modified polycarbonate can satisfy these requirements;
Earlier tapered end is installed on the connector body during injection moulding for the third time; Put into mould three and carry out injection moulding, form sealant, the sealing layer is with the complete covering protection in damaged position of articulamentum and cable contact site; Simultaneously tapered end and connector body are fixed; The melt temperature of improved polyalkene is 130 ℃, and 130 ℃ temperature can not destroyed the external protection of cable in injection moulding process, also should possess good flexible after these plastics three moulding simultaneously.
Photovoltaic connector insulation property, mechanical performance, the decay resistance aspect of finding the manufacture method system that above embodiment provides through test all reach requirement fully; And connector and cable contact site cable external protection do not damage phenomenon, can improve the useful life and the reliability of photovoltaic connector greatly.
The photovoltaic connector manufacture method that the embodiment of the invention provides is divided into articulamentum, tapered end and three parts of sealant with photovoltaic connector, carries out injection moulding respectively, and the performance of various piece can both be met the demands.Simultaneously select corresponding plastic material according to the performance requirement of various piece, the composition of plastic material does not need to limit, and selects widely, and the flexibility height helps controlling cost in actual production.
Cited plastic material is that the inventor is at used some plastic materials relatively more commonly used of process of the test among the embodiment; In fact essence of the present invention is the technology of three injection mouldings; And the selection of non-plastic material, the selection of plastic material should have sizable vast.
Compared with prior art, the manufacture method of photovoltaic connector provided by the invention is divided into articulamentum, tapered end and three parts of sealant with connector; Articulamentum uses the higher plastic material of melt temperature to carry out an injection moulding, satisfies the resistant to elevated temperatures requirement of articulamentum, and hardness and the high plastic material of fracture resistance carry out an injection moulding after the tapered end use moulding; Satisfy tapered end and tighten desired chucking dynamics and fastness; Sealant uses the lower plastic material of melt temperature to carry out an injection moulding, avoids the damage of cable external protection, and lower melt temperature generally has reasonable pliability simultaneously; In the connector use, avoid causing damage to the cable external protection; The photovoltaic connector each several part performance characteristics of three injection mo(u)ldings is outstanding, and production process is flexible, and technology is simple; Plastic material is selected wide, has good marketing prospect
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (2)
1. the manufacture method of a photovoltaic connector is characterized in that, may further comprise the steps:
The connector electric conductor is connected with the cable conduction body;
Above-mentioned connector electric conductor and cable conduction body are placed in the mould one; This mould one is injected in plastics one fusing back; The cooling back is taken out and is accomplished the articulamentum injection moulding, form connector body, and the melt temperature of these plastics one is between 180 ℃ to 250 ℃;
In plastics two fusing back injection moulding moulds two, the cooling back is taken out and is accomplished the tapered end injection moulding, form tapered end, and the melt temperature of these plastics two is between 160 ℃ to 230 ℃;
Above-mentioned tapered end and connector body are placed in the mould three, plastics three are dissolved the back inject this mould three, and the cooling back is taken out and accomplished the sealant injection moulding, form the connector finished product, and the melt temperature of these plastics three is between 100 ℃ to 150 ℃;
Wherein: above-mentioned plastics one are polyphenylene oxide or Noryl;
Above-mentioned plastics two are modified polycarbonate;
Above-mentioned plastics three are Noryl or improved polyalkene.
2. the manufacture method of photovoltaic connector according to claim 1; It is characterized in that: the melt temperature of above-mentioned plastics one is between 200 ℃ to 220 ℃; The melt temperature of above-mentioned plastics two is between 190 ℃ to 210 ℃, and the melt temperature of above-mentioned plastics three is between 115 ℃ to 130 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105354697A CN102118000B (en) | 2010-11-09 | 2010-11-09 | Method for manufacturing photovoltaic connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105354697A CN102118000B (en) | 2010-11-09 | 2010-11-09 | Method for manufacturing photovoltaic connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102118000A CN102118000A (en) | 2011-07-06 |
| CN102118000B true CN102118000B (en) | 2012-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105354697A Active CN102118000B (en) | 2010-11-09 | 2010-11-09 | Method for manufacturing photovoltaic connector |
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| Country | Link |
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| CN (1) | CN102118000B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103956627A (en) * | 2014-02-26 | 2014-07-30 | 常熟市福莱德连接器科技有限公司 | Cable gluing waterproof process of one-piece injection molded connector and gluing device thereof |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108539561A (en) * | 2017-03-06 | 2018-09-14 | 宁夏隆基宁光仪表股份有限公司 | A kind of preparation method of Portable photovoltaic junction box connector |
| CN113400568A (en) * | 2021-06-17 | 2021-09-17 | 北京机械设备研究所 | Method for protecting tail part of cable assembly part |
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| CN101106224A (en) * | 2006-07-12 | 2008-01-16 | 蒂科电子Amp有限责任公司 | Electrical connecting device and method for its production and electrical line and solar modular arrangement with a connecting device of this type |
| CN201466405U (en) * | 2009-07-29 | 2010-05-12 | 苏州迅通太阳能科技有限公司 | Photovoltaic component connector |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202008013119U1 (en) * | 2008-05-09 | 2008-12-18 | Yamaichi Electronics Deutschland Gmbh | connector system |
| US7850476B2 (en) * | 2008-10-29 | 2010-12-14 | Tyco Electronics Corporation | Low profile solar laminate connector assembly |
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2010
- 2010-11-09 CN CN2010105354697A patent/CN102118000B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101106224A (en) * | 2006-07-12 | 2008-01-16 | 蒂科电子Amp有限责任公司 | Electrical connecting device and method for its production and electrical line and solar modular arrangement with a connecting device of this type |
| CN201466405U (en) * | 2009-07-29 | 2010-05-12 | 苏州迅通太阳能科技有限公司 | Photovoltaic component connector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103956627A (en) * | 2014-02-26 | 2014-07-30 | 常熟市福莱德连接器科技有限公司 | Cable gluing waterproof process of one-piece injection molded connector and gluing device thereof |
| CN103956627B (en) * | 2014-02-26 | 2016-03-02 | 常熟市福莱德连接器科技有限公司 | A kind of cable gluing waterproof technology of integral molded plastic connector and automatic double surface gluer thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102118000A (en) | 2011-07-06 |
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Address after: No. 19 Zhongtian Road, Zone E, Changkun Industrial Park, Changshu City, Suzhou City, Jiangsu Province, 215500 Patentee after: CHANGSHU FRIENDS CONNECTOR TECHNOLOGY. Co.,Ltd. Address before: No. 2 Zhongtian Road, Zone E, Changkun Industrial Park, Shajiabang Town, Changshu City, Jiangsu Province, 215500 Patentee before: CHANGSHU FRIENDS CONNECTOR TECHNOLOGY. Co.,Ltd. |
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