CN107705926B - A kind of coaxial cable production technology - Google Patents
A kind of coaxial cable production technology Download PDFInfo
- Publication number
- CN107705926B CN107705926B CN201710712607.6A CN201710712607A CN107705926B CN 107705926 B CN107705926 B CN 107705926B CN 201710712607 A CN201710712607 A CN 201710712607A CN 107705926 B CN107705926 B CN 107705926B
- Authority
- CN
- China
- Prior art keywords
- fiber
- coaxial cable
- production technology
- cable production
- melting temperature
- 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.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/225—Screening coaxial cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/016—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing co-axial cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/30—Drying; Impregnating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/34—Apparatus or processes specially adapted for manufacturing conductors or cables for marking conductors or cables
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Communication Cables (AREA)
- Manufacturing Of Electric Cables (AREA)
Abstract
The invention discloses a kind of coaxial cable production technologies, comprising the following steps: 1) copper wire draws and attenuates process；2) foamed insulation injection molding and cooling process；3) copper strips package piece and welding sequence；4) sprayed coating film and curing process；5) it is socketed fibre sleeving process；6) cooling process is melted；7) insulating layer injection molding and cooling process；8) process is dried up；Web in step 5) and step 6) is formed by the first fiber and the second fibrage, and wire is incorporated into the first fiber, and the melting temperature of the second fiber is lower than the melting temperature of the first fiber；Second fibers melt forms skeleton structure, and the melting temperature of second fiber is 100 DEG C -150 DEG C.The present invention using the second fiber and the first fibrage at fibre sleeving, structure is simple, damping effect is good, bending, tensile property are more excellent, make Integral cable that there are more preferably economic benefits convenient for being incorporated into wire using Fiber Materials, improves coaxial cable protective layer items chemical property using Fiber Materials.
Description
It is on April 28th, 2016 that the application, which is the applying date, entitled " a kind of application No. is 201610280317.4
The divisional application of coaxial cable production technology ".
Technical field
The present invention relates to cable production field, in particular to a kind of coaxial cable production technology.
Background technique
Coaxial cable can be divided into two kinds of fundamental types, base band coaxial cable and BBC(broadband coaxial cable).Base band is common at present
Cable, shielding line be made into copper it is netted, characteristic impedance be 50 (such as RG-8, RG-58)；BBC(broadband coaxial cable) is normal
The shielded layer of cable is usually to use aluminium rammed, and characteristic impedance is 75 (such as RG-59).
Coaxial cable can be divided into according to its diameter: thick coaxial cable and thin coaxial cable.Thick cable is suitable for comparing
Large-scale localized network, its gauged distance is long, high reliablity, can basis due to not needing cutting cable when installation
Need to be adjusted flexibly the networking position of computer, but thick cable network must install transceiver cable, installation difficulty is big, so overall
Cost is high.On the contrary, cablet installs then fairly simple, low cost, but since installation process will cut off cable, both ends must be loaded onto substantially
Network connecting head (BNC), then connects at t connector both ends.
Its surrounding layer of existing coaxial cable is often PE resin-insulated material, and damping effect is poor, and uses glass fibre
It is distorted, tensile property is poor, and is enhancing shield effectiveness using mesh shields layer made of copper or aluminium, expensive, life
It produces complicated.
Summary of the invention
The present invention provides a kind of coaxial cable production technology, so that existing coaxial cable is in damping effect, distortion, tension
Performance is poor, and copper or the defect of aluminum shielded layer production cost valuableness is taken to be addressed.To solve the above problems, the present invention is public
Open a kind of coaxial cable production technology, comprising the following steps:
1) copper wire draws and attenuates process: copper wire being drawn and attenuated and is used as electric conductor；
2) foamed insulation injection molding and cooling process: it is exhausted that covering foam insulating material formation foaming is molded in conductive external surface
Edge layer, and the cooling surface for having covered foam insulating material；
3) copper strips package piece and welding sequence: copper strips is wrapped up to foamed insulation surface, and is welded into seamless outer conductor layer；
4) heat-insulated corrosion-resistant film, and dry solidification sprayed coating film and curing process: are sprayed in outer conductor layer；
5) be socketed fibre sleeving process: braided fiber net and wrap set on coax, to form fibre sleeving；
6) it melts cooling process: fibre sleeving is melted, and cooled down with 5 DEG C of -10 DEG C of air purgings；
7) insulating layer injection molding and cooling process: covering polyvinyl chloride is molded in fibre sleeving appearance and forms insulating layer, and cold
But cooling in water；
8) it dries up process: purging dry insulating layer outer surface using air；
Web in the step 5) and step 6) is formed by the first fiber and the second fibrage, first fiber
It is inside incorporated into wire, the melting temperature of second fiber is lower than the melting temperature of the first fiber；The second fibers melt shape
At skeleton structure, the melting temperature of second fiber is 100 DEG C -150 DEG C.By the present invention in that skeleton knot is made with the second fiber
Structure be composed of the first fibrage of wire at fibre sleeving, structure is simple, damping effect is good, bending, tensile property
More excellent, heat-resisting anti-aging property is also more excellent, convenient for being incorporated into wire coaxial cable protective layer is had using Fiber Materials
Preferable shield effectiveness, so that cost is relatively low for Integral cable, lighter in weight has more preferably economic benefits, using Fiber Materials
Convenient for expanding, improving coaxial cable protective layer items chemical property.Production technology of the present invention takes process on assembly line, production
Uninterruptedly, lower production costs.
Optionally, the fibre sleeving melts under the conditions of 100 DEG C -150 DEG C of temperature.
Optionally, the melting time is 5min-15min.Take 100 DEG C -150 DEG C the external heating temperature of fibre and
The melting time of 5min-15min, heating temperature is lower, and heating time is moderate, while heat-insulated corrosion-resistant film effectively obstructs
Influence of the heat transfer to foamed insulation, effectively reduces producting process difficulty.
Optionally, after step 8) the drying insulating layer, in the insulating layer outer surface, spraying is parallel to cable length side
To paint filament.The spraying of insulating layer outer surface is taken to be parallel to the paint filament in coaxial cable length direction, in production
Convenient for directly passing through the abnormal feelings such as visual examination coaxial cable integral diameter is abnormal, whether insulating layer has blistering, heave, leak adhesive
Condition adjusts production equipment in time when easy to produce, defect rate is lower, and it is more convenient to produce.
Optionally, the heat-insulated corrosion-resistant film is solidified using hot air blowing.
Optionally, the temperature of the hot-air is 70 DEG C -110 DEG C.Solidified using warm air blowoff, and hot air temperature is
70 DEG C -110 DEG C, the equipment needed is simple, influence very little of 70 DEG C -110 DEG C of the hot wind to cellular insulation, and it dries up process
The heat exchange of heat mass transfer and thermal convection exchange heat while carrying out, and drying effect is preferable.
Optionally, the wire is copper wire.
Compared with prior art, the technical program has the advantage that
By the present invention in that with the second fiber be made skeleton structure be composed of the first fibrage of wire at fiber
Set, structure is simple, damping effect is good, and bending, tensile property are more excellent, and heat-resisting anti-aging property is also more excellent, using fiber
Material makes coaxial cable protective layer have preferable shield effectiveness convenient for being incorporated into wire, so that cost is relatively low for Integral cable,
Lighter in weight has more preferably economic benefits, is expanded using Fiber Materials, is improved coaxial cable protective layer items chemically
Energy.Production technology of the present invention takes process on assembly line, and production is uninterrupted, lower production costs.
In addition, take 100 DEG C -150 DEG C of external heating temperature and the melting time of 5min-15min, heating temperature compared with
Low, heating time is moderate, while heat-insulated corrosion-resistant film has effectively obstructed influence of the heat transfer to foamed insulation, is effectively reduced
Producting process difficulty.
The spraying of insulating layer outer surface is taken to be parallel to the paint filament in coaxial cable length direction, in production convenient for straight
The abnormal conditions such as visual examination coaxial cable integral diameter is abnormal, whether insulating layer has blistering, heave, leak adhesive were connected, were convenient for
Production equipment is adjusted when production in time, defect rate is lower, and it is more convenient to produce.
Being solidified using warm air blowoff, and hot air temperature is 70 DEG C -110 DEG C, the equipment needed is simple, and 70 DEG C -110
DEG C influence very little of the hot wind to cellular insulation, and it dries up the heat exchange of process heat mass transfer and thermal convection heat exchange while carrying out,
Drying effect is preferable.
Detailed description of the invention
Fig. 1 is coaxial cable process flow chart of the present invention；
Fig. 2 is the structural schematic diagram of coaxial cable embodiment of the present invention；
Fig. 3 is the skeleton and frame aperture structural schematic diagram of coaxial cable embodiment of the present invention；
Fig. 4 is the first fiber and the second fiber weave structure schematic diagram of coaxial cable embodiment of the present invention；
Fig. 5 is the paint filament structural schematic diagram of coaxial cable embodiment of the present invention.
1, electric conductor, 2, foaming insulation layer, 3, outer conductor layer, 4, heat-insulated corrosion-resistant film, 5, fibre sleeving, 6, isolation
Layer, 7, skeleton, 8, web, the 51, first fiber, the 52, second fiber, 61, paint filament.
Specific embodiment
With reference to the accompanying drawing, by specific embodiment, clear, complete description is carried out to technical solution of the present invention.
Embodiment one: the invention discloses a kind of coaxial cable production technology (see attached drawings 1,2,3,4,5), including following step
It is rapid:
1) copper wire draws and attenuates process: copper wire being drawn and attenuated and is used as electric conductor 1；
2) foamed insulation injection molding and cooling process: covering foam insulating material is molded in 1 outer surface of electric conductor and forms foaming
Insulating layer 2, and the cooling surface for having covered foam insulating material；
3) copper strips package piece and welding sequence: copper strips is wrapped up to foamed insulation surface, and is welded into seamless outer conductor layer 3；
4) heat-insulated corrosion-resistant film 4, and dry solidification sprayed coating film and curing process: are sprayed in outer conductor layer 3；
5) be socketed fibre sleeving process: braided fiber net 8 and wrap set on coax, to form fibre sleeving 5；
6) it melts cooling process: fibre sleeving 5 is melted, and cooled down with 5 DEG C of air purgings；
7) insulating layer injection molding and cooling process: being molded in 5 appearance of fibre sleeving and cover polyvinyl chloride formation insulating layer 6, and
It is cooling in cooling water；
8) it dries up process: purging dry 6 outer surface of insulating layer using air.
Web 8 in the step 5) and step 6) is woven by the first fiber 51 and the second fiber 52, and described the
Wire is incorporated into one fiber 51, the melting temperature of second fiber 52 is lower than the melting temperature of the first fiber 51；Described
Two fibers molten 52 melt to form 7 structure of skeleton, and the melting temperature of second fiber 52 is 100 DEG C.By the present invention in that with the second fibre
Dimension 52 is made 7 structure of skeleton and is composed of the fibre sleeving 5 that the first fiber 51 of wire is woven into, and structure is simple, damping effect
Well, bending, tensile property are more excellent, and heat-resisting anti-aging property is also more excellent, are made using Fiber Materials convenient for being incorporated into wire
Coaxial cable protective layer has preferable shield effectiveness, so that cost is relatively low for Integral cable, lighter in weight has more preferably economical
Effect is expanded using Fiber Materials, is improved coaxial cable protective layer items chemical property.Production technology of the present invention takes stream
Process on waterline, production is uninterrupted, has lower production cost.The second fiber uses the hot sticky fibre of polyester in the present embodiment
Dimension.Insulated fireproof on the market, corrosion-resistant, antistatic chemical fibre material can be used in first fiber.
The fibre sleeving 5 melts under the conditions of 100 DEG C of temperature.The melting time is 5min.
After step 8) the drying insulating layer 6, in 6 outer surface of insulating layer, spraying is parallel to the oil in cable length direction
Paint filament 61.The spraying of 6 outer surface of insulating layer is taken to be parallel to the paint filament 61 in coaxial cable length direction, just in production
In directly by visual examination coaxial cable integral diameter, whether abnormal, insulating layer 6 has blistering, heaves, the abnormal conditions such as leak adhesive,
Production equipment is adjusted when easy to produce in time, defect rate is lower, and it is more convenient to produce.
The heat-insulated corrosion-resistant film 4 is solidified using hot air blowing.The temperature of the hot-air is 70 DEG C.It is described
Wire is copper wire.The present invention takes fibrage to form, and copper wire is added and improves shield effectiveness, reduces cable weight.
Embodiment two: web 8 in the step 5) and step 6) by the first fiber 51 and the braiding of the second fiber 52 and
At being incorporated into wire in first fiber 51, the melting temperature of second fiber 52 is lower than the melting temperature of the first fiber 51
Degree；Second fiber molten 52 melts to form 7 structure of skeleton, and the melting temperature of second fiber 52 is 150 DEG C.The melting of step 6)
In cooling process, fibre sleeving 5 is melted, using 5 DEG C of air purging coolings.Take 5 DEG C -10 DEG C of air to purge, cooling compared with
Fastly, the cooling shorter convenient for time of contact on assembly line, the length of purger and spray head sets in actual production process
It sets and is adjusted according to the flow velocity of assembly line.
The fibre sleeving 5 melts under the conditions of 150 DEG C of temperature.The melting time is 15min.Take 100 DEG C -150
DEG C external heating temperature and 5min-15min melting time, heating temperature is lower, and heating time is moderate, while heat-insulated resistance to
Corrosion film has effectively obstructed influence of the heat transfer to foamed insulation, effectively reduces producting process difficulty.
The heat-insulated corrosion-resistant film 4 is solidified using hot air blowing.The temperature of the hot-air is 110 DEG C.It adopts
Solidified with warm air blowoff, and hot air temperature is 70 DEG C -110 DEG C, the equipment needed is simple, 70 DEG C -110 DEG C of hot wind pair
The influence very little of cellular insulation, and its dry up process heat mass transfer heat exchange and thermal convection heat exchange and meanwhile carry out, drying effect compared with
It is good.
When the embodiment of the present invention is implemented, copper wire is drawn and attenuated and is used as electric conductor, it is exhausted to be molded covering foaming in conductive external surface
Edge material forms foaming insulation layer, and the cooling surface for having covered foam insulating material.Copper strips is wrapped up to foamed insulation surface,
And it is welded into seamless outer conductor layer.Heat-insulated corrosion-resistant film, and dry solidification are sprayed in outer conductor layer；Braided fiber net and wrap set
On coax, to form fibre sleeving.Fibre sleeving is melted.And it is cooled down with 5 DEG C of -10 DEG C of air purgings.Fibre sleeving appearance note
Modeling covering polyvinyl chloride forms insulating layer, and cooling in cooling water；Dry insulating layer outer surface is purged using air.
Although the invention has been described by way of example and in terms of the preferred embodiments, but it is not for limiting the present invention, any this field
Technical staff without departing from the spirit and scope of the present invention, may be by the methods and technical content of the disclosure above to this hair
Bright technical solution makes possible variation and modification, therefore, anything that does not depart from the technical scheme of the invention, and according to the present invention
Technical spirit any simple modifications, equivalents, and modifications to the above embodiments, belong to technical solution of the present invention
Protection scope.
Claims (6)
1. a kind of coaxial cable production technology, which comprises the following steps:
1) foamed insulation injection molding and cooling process: covering foam insulating material is molded in conductive external surface and forms foamed insulation
Layer, and the cooling surface for having covered foam insulating material；
2) copper strips package piece and welding sequence: copper strips is wrapped up to foamed insulation surface, and is welded into seamless outer conductor layer；
3) heat-insulated corrosion-resistant film, and dry solidification sprayed coating film and curing process: are sprayed in outer conductor layer；
4) be socketed fibre sleeving process: braided fiber net and wrap set on coax, to form fibre sleeving；
5) it melts cooling process: fibre sleeving is melted, and cooled down with 5 DEG C of -10 DEG C of air purgings；
6) insulating layer injection molding and cooling process: covering polyvinyl chloride is molded in fibre sleeving appearance and forms insulating layer, and in cooling water
Middle cooling；
Web in the step 4) is formed by the first fiber and the second fibrage, is incorporated into metal in first fiber
Silk, the melting temperature of second fiber are lower than the melting temperature of the first fiber；Second fibers melt forms skeleton structure,
The melting temperature of second fiber is 100 DEG C -150 DEG C.
2. coaxial cable production technology as described in claim 1, which is characterized in that the fibre sleeving is at 100 DEG C -150 DEG C
It is melted under the conditions of temperature.
3. coaxial cable production technology as claimed in claim 2, which is characterized in that the melting time is 5min-15min.
4. coaxial cable production technology as described in claim 1, which is characterized in that the heat-insulated corrosion-resistant film is empty using heat
Dry solidification is swept in air-blowing.
5. coaxial cable production technology as claimed in claim 4, which is characterized in that the temperature of the hot-air is 70 DEG C -110
℃。
6. coaxial cable production technology as described in claim 1, which is characterized in that the wire is copper wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710712607.6A CN107705926B (en) | 2016-04-28 | 2016-04-28 | A kind of coaxial cable production technology |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610280317.4A CN105931761B (en) | 2016-04-28 | 2016-04-28 | A kind of coaxial cable production technology |
| CN201710712607.6A CN107705926B (en) | 2016-04-28 | 2016-04-28 | A kind of coaxial cable production technology |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610280317.4A Division CN105931761B (en) | 2016-04-28 | 2016-04-28 | A kind of coaxial cable production technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107705926A CN107705926A (en) | 2018-02-16 |
| CN107705926B true CN107705926B (en) | 2019-04-16 |
Family
ID=56836895
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610280317.4A Active CN105931761B (en) | 2016-04-28 | 2016-04-28 | A kind of coaxial cable production technology |
| CN201710712607.6A Active CN107705926B (en) | 2016-04-28 | 2016-04-28 | A kind of coaxial cable production technology |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610280317.4A Active CN105931761B (en) | 2016-04-28 | 2016-04-28 | A kind of coaxial cable production technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN105931761B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107863190B (en) * | 2017-09-27 | 2020-01-17 | 杭州富通电线电缆有限公司 | Coaxial cable structure and methods of making and using same |
| CN110335725B (en) * | 2019-06-21 | 2021-01-26 | 杭州三元电缆有限公司 | Coaxial cable processing technology |
| CN110310785B (en) * | 2019-07-17 | 2021-01-01 | 杭州双晨电缆有限公司 | Coaxial cable production process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201402656Y (en) * | 2009-04-29 | 2010-02-10 | 江苏亨通电力电缆有限公司 | Heat resistant electric wire capable of enduring ultrahigh temperature of 1000 DEG C |
| CN103211671A (en) * | 2013-02-01 | 2013-07-24 | 东华大学 | Textile multicomponent enhancement structure-gradually degradable ureteral stent tube and preparation method thereof |
| CN103607875A (en) * | 2013-11-20 | 2014-02-26 | 深圳市骏鼎达科技有限公司 | Auto-rolling shielding sleeve |
| CN204464430U (en) * | 2015-01-23 | 2015-07-08 | 中国电子科技集团公司第二十三研究所 | A kind of light-duty radio frequency coaxial-cable |
| CN204959237U (en) * | 2014-08-09 | 2016-01-13 | 苹果公司 | Woven fabrics |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100816587B1 (en) * | 2006-08-17 | 2008-03-24 | 엘에스전선 주식회사 | Foam coaxial cable and method for manufacturing the same |
| CN202601818U (en) * | 2011-10-10 | 2012-12-12 | 中天日立射频电缆有限公司 | Flexible-type radio-frequency coaxial cable having smooth aluminum tube external conductor |
| CN203013293U (en) * | 2012-12-03 | 2013-06-19 | 常州翰力信息科技有限公司 | Coaxial cable |
-
2016
- 2016-04-28 CN CN201610280317.4A patent/CN105931761B/en active Active
- 2016-04-28 CN CN201710712607.6A patent/CN107705926B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201402656Y (en) * | 2009-04-29 | 2010-02-10 | 江苏亨通电力电缆有限公司 | Heat resistant electric wire capable of enduring ultrahigh temperature of 1000 DEG C |
| CN103211671A (en) * | 2013-02-01 | 2013-07-24 | 东华大学 | Textile multicomponent enhancement structure-gradually degradable ureteral stent tube and preparation method thereof |
| CN103607875A (en) * | 2013-11-20 | 2014-02-26 | 深圳市骏鼎达科技有限公司 | Auto-rolling shielding sleeve |
| CN204959237U (en) * | 2014-08-09 | 2016-01-13 | 苹果公司 | Woven fabrics |
| CN204464430U (en) * | 2015-01-23 | 2015-07-08 | 中国电子科技集团公司第二十三研究所 | A kind of light-duty radio frequency coaxial-cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105931761B (en) | 2017-12-15 |
| CN107705926A (en) | 2018-02-16 |
| CN105931761A (en) | 2016-09-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107705926B (en) | A kind of coaxial cable production technology | |
| CN108091445B (en) | A kind of coaxial cable | |
| CN105845261B (en) | Twisted polyethylene cable and its restorative procedure are pressed in one kind | |
| CN106939672B (en) | A kind of metal Roof insulating water-proof system and its construction method | |
| KR102351466B1 (en) | Continuous crosslinking apparatus for making a cable | |
| CN109036665A (en) | The new-energy automobile of resistance to grain electric wire coatings layer and preparation method thereof | |
| CN207909565U (en) | A kind of fugitive electric heating cable | |
| CN211286075U (en) | Waterproof coating structure | |
| CN209843308U (en) | Crosslinked polyethylene cable | |
| CN109637706B (en) | Wind energy cable and production process thereof | |
| CN204760098U (en) | Cable with high temperature resistance | |
| CN104859126A (en) | Electric Wire, Cable, Manufacturing Method Thereof And Rubber Material | |
| CN207092682U (en) | A kind of double bracket uses tent | |
| CN112172272B (en) | Fireproof material for unmanned aerial vehicle | |
| CN107768029A (en) | The method and apparatus of silanes crosslinked cable | |
| CN207503726U (en) | The equipment of silanes crosslinked cable | |
| CN113192673A (en) | Impact-resistant cable and installation method thereof | |
| CN206864233U (en) | A kind of fire resistant cable | |
| JP2009226760A (en) | Microwave irradiation vulcanizing method and apparatus | |
| CN110556211B (en) | Flame-retardant method for cable protective layer | |
| CN209245580U (en) | The foaming of hard polyaminoester mold is combined insulating tube with polyethylene winding | |
| CN207310462U (en) | A kind of silica gel extruder die head | |
| CN206322533U (en) | A kind of steel pipe thermal contraction casing tube | |
| CN112509740A (en) | Low-temperature explosion-proof heat tracing cable | |
| CN207260647U (en) | A kind of double bracket yurt |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |