CN108973029A - Waterproof video harness and the injection mold and production technology for producing waterproof video harness - Google Patents
Waterproof video harness and the injection mold and production technology for producing waterproof video harness Download PDFInfo
- Publication number
- CN108973029A CN108973029A CN201811139286.6A CN201811139286A CN108973029A CN 108973029 A CN108973029 A CN 108973029A CN 201811139286 A CN201811139286 A CN 201811139286A CN 108973029 A CN108973029 A CN 108973029A
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- Prior art keywords
- core
- wire
- positioning
- glue core
- leading
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14336—Coating a portion of the article, e.g. the edge of the article
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The present invention relates to the injection molds and production technology of a kind of waterproof video harness and production waterproof video harness, including electric wire, position glue core, sheath and the core wire being arranged in electric wire, one end of the electric wire forms leading-out terminal, the core wire extends outwardly from leading-out terminal extraction, the positioning glue core is cylindricality, the both ends difference outwardly convex for positioning glue core forms circular cone, the periphery of positioning glue core is radially formed the consistent c-type wire casing of four structures, the leading-out terminal of electric wire is arranged in the circular cone of described positioning glue core one end, the core wire of leading-out terminal is connected in c-type wire casing, the sheath injection molding is on the surface of positioning glue core and the surface of leading-out terminal.Waterproof video harness of the invention is positioned by the core wire line that goes out of the positioning glue core to electric wire, and is sealed using the sheath of injection molding to positioning glue core and leading-out terminal, improves the waterproof performance of product, while winding displacement is neatly reasonable.
Description
Technical field
The present invention relates to a kind of harness for automobile more particularly to a kind of waterproof video harness and production waterproof video line
The injection mold and production technology of beam.
Background technique
After harness refers to that the contact terminal (connector) as made of copper material punching is crimped with wire and cable, outside plastic compression again
Insulator or added metal shell etc. tie up the component to form connection circuit with harness.Automotive wire bundle is the network of automobile circuit
Automobile circuit is also just not present without harness in main body.Core wire inside existing automotive wire bundle connects external contact from line outlet
When terminal, it is be easy to cause the snarling of core wire, leads to wiring trouble, is not easy to the maintenance in later period, and the line outlet of harness is closed
Bad, the poor waterproof properties of property.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of neat reasonable, structures of internal wiring to simplify, waterproof performance is good
Waterproof video harness and produce waterproof video harness injection mold and production technology.
In order to achieve the goal above, the present invention uses such a waterproof video harness, including electric wire, positioning glue core, shield
The core wire in electric wire is covered and is arranged in, one end of the electric wire forms leading-out terminal, and the core wire extends outwardly from leading-out terminal extraction,
The positioning glue core is cylindricality, and the both ends difference outwardly convex of positioning glue core forms circular cone, positions the periphery of glue core radially
The consistent c-type wire casing of multiple structures is formed, the leading-out terminal of electric wire is arranged in the circular cone of described positioning glue core one end, leading-out terminal
Core wire is connected in c-type wire casing, and the sheath injection molding is on the surface of positioning glue core and the surface of leading-out terminal.
The core wire at electric outlet end is located in the c-type wire casing on positioning glue core by above-mentioned waterproof video harness, guarantees core
The outlet arrangement of line is neat, and positions the circular cone of glue core and connect convenient for the leading-out terminal of positioning glue core and electric wire, passes through note
Molding sheath is moulded to seal positioning glue core and leading-out terminal, improves the waterproof performance of harness entirety.
One end that the present invention is further arranged to sheath forms wire hole, and the other end of sheath forms multiple core wire holes, institute
It states electric wire to be set in wire hole, core wire is set in core wire hole.
The leading-out terminal of electric wire and positioning glue core can be isolated from the outside completely by above-mentioned sheath, improve the performance of harness waterproof,
According to the radical of electric wire internal core wire, the core wire hole of corresponding number is formed when sheath injection molding.
The present invention is further arranged to c-type wire casing and forms opening in positioning glue wicking surface, and the width of the opening is less than core
The diameter of line, described position form separating part, form multistage groove on the separating part between c-type wire casing adjacent on glue core.
The opening of above-mentioned c-type wire casing is less than core line diameter, guarantees that core wire can be steadily connected on positioning glue core, Bu Huifa
Raw displacement positions glue core under the premise of can play fixed core wire, and the multistage groove of separating part reduces positioning glue core material requested,
Reduce the production cost of product.
The both ends that the present invention is further arranged to separating part to form pillar.
Above-mentioned pillar plays positioning action when harness carries out sheath injection molding, it is ensured that sheath can wrap up after the completion of injection molding
Entirely, the waterproofing grade of video harness is improved.
The quantity that the present invention is further arranged to c-type wire casing is four, and the angle between adjacent C molded line slot is 90 degree.
The positioning glue core of aforementioned four c-type wire casing is easy to process, and of wire casing needed for capable of reaching video harness internal core wire
Number.
The quantity that the present invention is further arranged to core wire is four, and the quantity in core wire hole is four.
A kind of injection mold producing above-mentioned waterproof video harness, including upper die and lower die are set between the upper die and lower die
It is equipped with positioning mould, the upper mold is bolted in positioning mould, and the upper mold forms internal model, and lower die forms core insert,
Above-mentioned three constitutes a closed forming cavity, the positioning mould face molding when the upper internal model, core insert, positioning mould cooperation
The position shape demarcation plate of chamber, the demarcation plate two sides form symmetrical through slot, and setting is both provided with movable block in two through slots, institute
It states and extends to positioning mould surface formation square column at the top of movable block, be provided with limit plate at the top of movable block, the limit plate is solid
Being scheduled in positioning mould prevents movable block from being moved forward and backward, and multiple circular grooves are formed on the bottom of the movable block, is provided with bullet in circular groove
Spring, movable block can move up and down in through slot, the bottom of the movable block and the surface of demarcation plate be respectively formed about two it is right
The positioning wire casing of title, the upper die and lower die are respectively formed the consistent injection molding cavity of structure, and the injection molding cavity is connected to forming cavity, described
Trade mark stamp is both provided in upper internal model and core insert.
A kind of production technology producing above-mentioned waterproof video harness, comprising the following steps:
(1) it cuts wire stripping: according to the requirement of video harness length, cutting wire stripping being carried out by required length to electric wire and is formed out
Line end, the core wire that leading-out terminal is exposed smooth out with the fingers straight separation；
(2) core wire positions: the circular cone for positioning glue core one end being against leading-out terminal, a core wire is first packed into positioning glue core
C-type wire casing in, then by remaining core wire be sequentially loaded into positioning glue core c-type wire casing in, it is ensured that be mounted on positioning glue core on
Core wire it is smooth；
(3) electric wire that positioning glue core is installed in step (2) injection molding positioning: is placed on injection mold together with electric outlet end
Forming cavity in, position the end of a thread of core wire on glue core and be set in the positioning wire casing in positioning mould, the pillar of positioning glue core is withstood
Forming cavity makes electric wire not shift in injection molding, and upper die and lower die with positioning mould extrusion fit, drive square column to act respectively,
The spring of movable block bottom is compressed, and keeps two movable blocks in positioning mould mobile towards demarcation plate, core wire is firmly fixed
On positioning wire casing, forming cavity is allowed to be isolated from the outside；
(4) injection molding: on the basis of step (3) is had good positioning, being molded waterproof material into injection molding cavity, waterproof material into
Enter and be full of forming cavity, the surface on the surface and leading-out terminal that position glue core is wrapped up by waterproof material completely, waits waterproof material solid
Change is shaped to sheath；
(5) it is opened pickup: opening upper die and lower die, movable block resets under the action of the spring, takes out in positioning wire casing
Core to get arrive waterproof video harness.
The present invention avoids the snarling of harness internal core, simultaneously by the way that positioning glue core is arranged in video harness leading-out terminal
The core that video harness leading-out terminal stretches out keeps smooth, is easy to the injection molding of video wire harness sheath, in sheath injection molding
Cheng Zhong, the cooperation of stablizing for positioning glue core and forming cavity guarantee that the encapsulated place of sheath wraps tightly electric wire and core, obtain waterproof video line
Beam waterproofing grade can reach IP68, therefore the waterproof performance of video harness is greatly improved using the injection mold and production technology.
Detailed description of the invention
Fig. 1 is perspective view of the embodiment of the present invention.
Fig. 2 is that the embodiment of the present invention removes perspective view after sheath.
Fig. 3 is main view of the embodiment of the present invention.
Fig. 4 is that the embodiment of the present invention removes main view after sheath.
Fig. 5 is that the embodiment of the present invention removes sheath lateral side view.
Fig. 6 is positioning glue core main view of the embodiment of the present invention.
Fig. 7 is positioning glue core side view of the embodiment of the present invention.
Fig. 8 is positioning glue core perspective view of the embodiment of the present invention.
Fig. 9 is sheath perspective view of the embodiment of the present invention.
Figure 10 is injection mold explosive view of the embodiment of the present invention.
Figure 11 is injection mold explosive view of the embodiment of the present invention.
Figure 12 is video of embodiment of the present invention harness and positioning mould perspective view.
Figure 13 is positioning mould explosive view of the embodiment of the present invention.
Figure 14 is positioning mould top view of the embodiment of the present invention.
Figure 15 is in Figure 14 along A-A cross-sectional view.
Figure 16 is waterproof video harness production technological process of the embodiment of the present invention.
Specific embodiment
As shown in figures 1-8, the present invention is a kind of waterproof video harness, including electric wire 1, positioning glue core 2, sheath 3 and setting
One end of four core wires 4 in electric wire, the electric wire 1 forms leading-out terminal 11, and the core wire 4 is drawn from leading-out terminal 11 to extension
It stretches, the positioning glue core 2 is cylindricality, and the both ends difference outwardly convex of positioning glue core 2 forms circular cone 21, positions the outer of glue core 2
It is radially formed four structures consistent c-type wire casing 22 week, c-type wire casing 22 forms opening 23 on positioning 2 surface of glue core, described to open
The width of mouth 23 is less than the diameter of core wire 4, and the angle between adjacent C molded line slot 22 is 90 degree, positions c-type adjacent on glue core 2
Separating part 24 is formed between wire casing 22, forms multistage groove 241 on the separating part 24, the both ends of separating part 24 to form convex
The leading-out terminal 11 of electric wire is arranged in the circular cone 21 of column 25, described positioning 2 one end of glue core, and the core wire 4 of leading-out terminal 11 is connected to c-type
In wire casing 22,3 injection molding of sheath is on the surface of positioning glue core 2 and the surface of leading-out terminal 11.
As illustrated in figs 1 and 9, one end of sheath 3 forms wire hole 31, and the other end of sheath 3 forms multiple core wire holes 32, institute
It states electric wire 1 to be set in wire hole 31, core wire 4 is set in core wire hole 32.According to the radical of electric wire internal core wire, it is molded in sheath
The core wire hole of corresponding number is formed when molding, guarantees the waterproof performance of video harness.
As shown in fig. 10-15, the injection mold of above-mentioned waterproof video harness, including upper mold 5, lower die 6, the upper mold are produced
Positioning mould 7 is provided between 5 and lower die 6, the upper mold 5 forms upper internal model 51, and lower die 6 forms core insert 61, the upper internal model
51, above-mentioned three constitutes a closed forming cavity 8, the 7 face forming cavity 8 of positioning mould when core insert 61, positioning mould 7 cooperate
Position shape demarcation plate 71,71 two sides of demarcation plate form symmetrical through slot 72, and setting is both provided with work in two through slots 72
Motion block 73, the top of the movable block 73 extend to 7 surface of positioning mould and form square column 731, and the top setting of movable block 73 is limited
Position plate 74, the limit plate 74, which is fixed in positioning mould 75, prevents movable block 73 from being moved forward and backward, the bottom of the movable block 73
Multiple circular grooves 732 are formed, spring 733 is provided in circular groove 732, movable block 73 can move up and down in through slot 72, the activity
The bottom of block 73 and the surface of demarcation plate 71 are respectively formed two positioning wire casings 75 symmetrical above and below, and the upper mold 5 and lower die 6 are divided
Not Xing Cheng the consistent injection molding cavity 9 of structure, the injection molding cavity 9 is connected to forming cavity 8, is all arranged on the upper internal model 51 and core insert 61
There is trade mark stamp 10.
As shown in Figure 10-16, a kind of production technology producing above-mentioned waterproof video harness, comprising the following steps:
(1) it cuts wire stripping: according to the requirement of video harness length, cutting wire stripping being carried out by required length to electric wire and is formed out
Line end, the core wire that leading-out terminal is exposed smooth out with the fingers straight separation；
(2) core wire positions: the circular cone for positioning glue core one end being against leading-out terminal, a core wire is first packed into positioning glue core
C-type wire casing in, then by remaining core wire be sequentially loaded into positioning glue core c-type wire casing in, it is ensured that be mounted on positioning glue core on
Core wire it is smooth；
(3) electric wire that positioning glue core is installed in step (2) injection molding positioning: is placed on injection mold together with electric outlet end
Forming cavity in, position the end of a thread of core wire on glue core and be set in the positioning wire casing in positioning mould, the pillar of positioning glue core is withstood
Forming cavity makes electric wire not shift in injection molding, and upper die and lower die with positioning mould extrusion fit, drive square column to act respectively,
The spring of movable block bottom is compressed, and keeps two movable blocks in positioning mould mobile towards demarcation plate, core wire is firmly fixed
On positioning wire casing, forming cavity is allowed to be isolated from the outside；
(4) injection molding: on the basis of step (3) is had good positioning, being molded waterproof material into injection molding cavity, waterproof material into
Enter and be full of forming cavity, the surface on the surface and leading-out terminal that position glue core is wrapped up by waterproof material completely, waits waterproof material solid
Change is shaped to sheath；
(5) it is opened pickup: opening upper die and lower die, movable block resets under the action of the spring, takes out in positioning wire casing
Core to get arrive waterproof video harness.
The present invention avoids the snarling of harness internal core, simultaneously by the way that positioning glue core is arranged in video harness leading-out terminal
The core that video harness leading-out terminal stretches out keeps smooth, is easy to the injection molding of video wire harness sheath, in sheath injection molding
Cheng Zhong, the cooperation of stablizing for positioning glue core and forming cavity guarantee that the encapsulated place of sheath wraps tightly electric wire and core, obtain waterproof video line
Beam waterproofing grade can reach IP68, therefore the waterproof performance of video harness is greatly improved using the injection mold and production technology.
The present invention avoids the snarling of harness internal core, simultaneously by the way that positioning glue core is arranged in video harness leading-out terminal
The core that video harness leading-out terminal stretches out keeps smooth, is easy to the injection molding of video wire harness sheath, in sheath injection molding
Cheng Zhong, the cooperation of stablizing for positioning glue core and forming cavity guarantee that the encapsulated place of sheath wraps tightly electric wire and core, obtain waterproof video line
Beam waterproofing grade can reach IP68, therefore the waterproof performance of video harness is greatly improved using the injection mold and production technology.
Claims (8)
1. a kind of waterproof video harness, it is characterised in that: including electric wire, glue core, sheath and the core wire being arranged in electric wire are positioned,
One end of the electric wire forms leading-out terminal, and the core wire extends outwardly from leading-out terminal extraction, and the positioning glue core is cylindricality, positioning
The both ends difference outwardly convex of glue core forms circular cone, and the periphery of positioning glue core is radially formed the consistent c-type line of multiple structures
The leading-out terminal of electric wire is arranged in the circular cone of slot, described positioning glue core one end, and the core wire of leading-out terminal is connected in c-type wire casing, institute
Sheath injection molding is stated on the surface of positioning glue core and the surface of leading-out terminal.
2. waterproof video harness according to claim 1, it is characterised in that: one end of the sheath forms wire hole, shield
The other end of set forms multiple core wire holes, and the electric wire is set in wire hole, and core wire is set in core wire hole.
3. waterproof video harness according to claim 1 or 2, it is characterised in that: the c-type wire casing is in positioning glue wicking surface
Formation opening, the width of the opening are less than the diameter of core wire, and described position forms separation between c-type wire casing adjacent on glue core
Portion forms multistage groove on the separating part.
4. waterproof video harness according to claim 3, it is characterised in that: the both ends of the separating part to form convex
Column.
5. waterproof video harness according to claim 1 or 2, it is characterised in that: the quantity of the c-type wire casing is four,
Angle between adjacent C molded line slot is 90 degree.
6. waterproof video harness according to claim 2, it is characterised in that: the quantity of the core wire is four, core wire hole
Quantity be four.
7. a kind of injection mold for producing above-mentioned waterproof video harness, it is characterised in that: including upper die and lower die, the upper mold and
Positioning mould is provided between lower die, the upper mold forms internal model, and lower die forms core insert, the upper internal model, core insert, positioning
Above-mentioned three constitutes a closed forming cavity when mould cooperation, and the position shape demarcation plate of the positioning mould face forming cavity is described
Demarcation plate two sides form symmetrical through slot, and setting is both provided with movable block in two through slots, extend at the top of the movable block
It positions mould surface and forms square column, be provided with limit plate at the top of movable block, the limit plate, which is fixed in positioning mould, makes movable block
Cannot be moved forward and backward, multiple circular grooves are formed on the bottom of the movable block, be provided with spring in circular groove, movable block can be in through slot on
Lower movement, the bottom of the movable block and the surface of demarcation plate are respectively formed two positioning wire casings symmetrical above and below, the upper mold
It is respectively formed the consistent injection molding cavity of structure with lower die, the injection molding cavity is connected to forming cavity, all sets on the upper internal model and core insert
It is equipped with trade mark stamp.
8. a kind of production technology for producing above-mentioned waterproof video harness, which comprises the following steps:
(1) it cuts wire stripping: according to the requirement of video harness length, electric wire being carried out to cut wire stripping formation outlet by required length
End, the core wire that leading-out terminal is exposed smooth out with the fingers straight separation；
(2) core wire positions: the circular cone for positioning glue core one end being against leading-out terminal, a core wire is first packed into the C of positioning glue core
In molded line slot, then remaining core wire is sequentially loaded into the c-type wire casing of positioning glue core, it is ensured that the core being mounted on positioning glue core
Line is smooth；
(3) injection molding positioning: by installed in step (2) positioning glue core electric wire together with electric outlet end be placed on injection mold at
Type is intracavitary, and the end of a thread for positioning core wire on glue core is set in the positioning wire casing in positioning mould, and the pillar of positioning glue core withstands molding
Chamber makes electric wire not shift in injection molding, and upper die and lower die with positioning mould extrusion fit, drive square column to act respectively, activity
The spring of block bottom is compressed, and keeps two movable blocks in positioning mould mobile towards demarcation plate, and it is fixed that core wire is securely seated between
On bit line slot, forming cavity is allowed to be isolated from the outside；
(4) injection molding: on the basis of step (3) is had good positioning, waterproof material is molded into injection molding cavity, waterproof material enters simultaneously
Surface full of forming cavity, the surface and leading-out terminal that position glue core is wrapped up by waterproof material completely, and waterproof material is waited to be solidified into
Type；
(5) it is opened pickup: opening upper die and lower die, movable block resets under the action of the spring, takes out the line in positioning wire casing
Core to get arrive waterproof video harness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811139286.6A CN108973029A (en) | 2018-09-28 | 2018-09-28 | Waterproof video harness and the injection mold and production technology for producing waterproof video harness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811139286.6A CN108973029A (en) | 2018-09-28 | 2018-09-28 | Waterproof video harness and the injection mold and production technology for producing waterproof video harness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108973029A true CN108973029A (en) | 2018-12-11 |
Family
ID=64544082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811139286.6A Withdrawn CN108973029A (en) | 2018-09-28 | 2018-09-28 | Waterproof video harness and the injection mold and production technology for producing waterproof video harness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108973029A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111231210A (en) * | 2020-02-21 | 2020-06-05 | 齐鲁工业大学 | Power line processing device and method |
| CN113161934A (en) * | 2021-04-20 | 2021-07-23 | 常州船用电缆有限责任公司 | Clamp for connecting cable and connector and connecting manufacturing method thereof |
| WO2023005690A1 (en) * | 2021-07-30 | 2023-02-02 | 长春捷翼汽车零部件有限公司 | Method for producing wiring harness, and wiring harness |
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| CN113161934A (en) * | 2021-04-20 | 2021-07-23 | 常州船用电缆有限责任公司 | Clamp for connecting cable and connector and connecting manufacturing method thereof |
| CN113161934B (en) * | 2021-04-20 | 2022-06-07 | 常州船用电缆有限责任公司 | Clamp for connecting cable and connector and connecting manufacturing method thereof |
| WO2023005690A1 (en) * | 2021-07-30 | 2023-02-02 | 长春捷翼汽车零部件有限公司 | Method for producing wiring harness, and wiring harness |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181211 |
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| WW01 | Invention patent application withdrawn after publication |