CN106757433A - A kind of preparation method of woven-jacket hose - Google Patents
A kind of preparation method of woven-jacket hose Download PDFInfo
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- CN106757433A CN106757433A CN201710026986.3A CN201710026986A CN106757433A CN 106757433 A CN106757433 A CN 106757433A CN 201710026986 A CN201710026986 A CN 201710026986A CN 106757433 A CN106757433 A CN 106757433A
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- water band
- woven
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-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/12—Stretch-spinning methods
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/06—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin as constituent
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/10—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained by reactions only involving carbon-to-carbon unsaturated bonds as constituent
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/12—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyamide as constituent
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
- D03D13/004—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft with weave pattern being non-standard or providing special effects
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D3/00—Woven fabrics characterised by their shape
- D03D3/02—Tubular fabrics
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/08—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
- F16L11/085—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall comprising one or more braided layers
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a kind of preparation method of woven-jacket hose.Constitute by weight, by 20~24 parts of polyacrylamide starch, 22~26 parts of basalt powders, 18~22 parts of oyster shell whitings, the molten fat polyethylene of height of 10 ~ 20 parts of solid-states, 5 ~ 15 parts of ethene derivatives, 0.3 ~ 0.5 part of antioxidant 1010,5~15 parts of butadiene rubbers and 6~12 parts of polyamide wax mixing, ultrasound are disperseed at a high speed；Wire drawing is carried out using plastic-wire drawing machine；The positioning of warp and parallel is carried out using plastics filament winder；The warp of wire drawing, parallel are processed by winder, doubling, twisting, wet steaming, plastic foil is then coated with by polyurethane adhesive multiple stiffener along water strip length direction to inner surface in tubular water band；The inner surface of water band is translated into outer surface, and coating plastic film, leveling sizing with device using turning over.The zone face of the water band that the present invention makes is smooth, attractive in appearance, with intensity is high, lightweight, low cost, long lifespan the characteristics of.
Description
Technical field
The present invention relates to water band field, more particularly to a kind of preparation method of woven-jacket hose.
Background technology
Flexible water pipe is played a very important role in each side such as agriculture project, city trees and shrubs pouring, industrial production, mesh
Before, the medium-to-high grade water band of research and development mainly has both at home and abroad：Common long filament water band, EPDM (ethylene propylene diene rubber) water band, PU（Poly- ammonia
Ester）Water band, two-sided PU water band etc., its outstanding advantages is：Lightweight, peel strength is high, cold-resistant, corrosion-resistant, ageing-resistant, easy volume
Around, long service life；But have the disadvantage that price is high, be difficult to promote.Low grade products has：Common PVC products, rubber tube, coating sail
The water band such as cloth, their advantage is：It is moderate；Have the disadvantage：It is heavy, low intensity, easy aging, easy bursting by freezing, frangibility etc..
The water band pipe that China commercially possesses at present is about following several：Individual layer is directly extruded using thermoplastic
Transparent or semitransparent water band pipe, using the water band pipe produced with thermosetting plastics or paste resin gum dipping process after braiding, with heat
Thermoplastic plastic extrudes inner tube, winds enhancement layer, the dimension modeling water band pipe of compound extruded outer layer, the canvas water using ribbon technique productions
Band pipe.；Water band pipe is moulded with the dimension of thermoplastic compound extruded technique productions, though waste product can be reclaimed directly, finished product is qualified
Rate is low, in use, because of inside and outside zone isolation low intensity easy " absciss layer ", so as to cause Reusability rate low；Ribbon canvas
Water band pipe market price is high, and the pipe that given up after cannot be reclaimed and cause the wasting of resources.
Therefore, prior art needs further improvement.
The content of the invention
Problem to be solved by this invention is, there is provided a kind of preparation method of woven-jacket hose, to reduce cost, mitigates weight
Amount, and improve service life.
The present invention is adopted the following technical scheme that：
A kind of preparation method of woven-jacket hose, including step：.
（1）Constitute by weight, by 20~24 parts of polyacrylamide starch, 22~26 parts of basalt powders, 18~22 parts
Oyster shell whiting, the molten fat polyethylene of height of 10 ~ 20 parts of solid-states, 5 ~ 15 parts of ethene derivatives, 0.3 ~ 0.5 part of antioxidant 1010,5~
15 parts of butadiene rubbers and 6~12 parts of polyamide wax mixing, ultrasound are disperseed at a high speed, and ultrasonic frequency is 20~40KHz, rate of dispersion
About 5000~5400r/min, jitter time is 30~60min；
（2）Wire drawing is carried out using plastic-wire drawing machine；
（3）The positioning of warp and parallel is carried out using plastics filament winder；
（4）The warp of wire drawing, parallel are processed by winder, doubling, twisting, wet steaming, tubular water band, winder speed is woven into
650-700m/min, tension scale 4-6；Warp and parallel typically pool capital number of share of stock for warp 8-10 strands, parallel 6-8 strands；Stock yarn is twisted with the fingers
Degree is generally warp 180-200 sth. made by twisting/m, parallel 140-160 sth. made by twisting/m；Line is wet to steam 70-80 DEG C of temperature, time 20-30min；
（5）Plastic foil is then coated with by polyurethane adhesive multiple stiffener along water strip length direction to inner surface in tubular water band,
Stiffener is made up of polyurethane material；
（6）The inner surface of water band is translated into outer surface, and coating plastic film with device using turning over, leveling sizing completes water band and makes.
The preparation method of described woven-jacket hose, wherein, constitute by weight, 22~24 parts of polyacrylamides are formed sediment
Powder, 24~25 parts of basalt powders, 20~22 parts of oyster shell whitings, the molten fat polyethylene of height of 10~15 parts of solid-states, 8~12 parts of ethylene derivatives
Thing, 0.3 ~ 0.5 part of antioxidant 1010,6~12 parts of butadiene rubbers and 8~10 parts of polyamide wax mixing.
The preparation method of described woven-jacket hose, wherein, constitute by weight, by 22 parts of polyacrylamide starch, 24
Part basalt powder, 20 parts of oyster shell whitings, the molten fat polyethylene of height of 10 parts of solid-states, 8 parts of ethene derivatives, 0.4 part of antioxidant
1010th, 12 parts of butadiene rubbers and 8 parts of polyamide wax mixing.
The preparation method of described woven-jacket hose, wherein, water band is using the 2/2 woven twill weave of disconnected twill-weave structure.
Compared with prior art, the preparation method of the woven-jacket hose that the present invention is provided, using Multi-layer composite structure, braiding
Thing enhancing, the new technology of surface coating prepare product, can avoid current low grade products, such as common PE, PVC, rubber, plastic cement
The water bands such as coating sail are heavy, low intensity, easily aging, easy bursting by freezing, the shortcoming of frangibility, and medium-to-high grade Agricultural hose, such as general
The water such as elongated silk water band, EPDM (ethylene propylene diene rubber) water band, PU water band and two-sided PU are protected with price shortcoming high, physical property
Hold good, high comprehensive performance, leakage, seepage rate are very low, and zone face is smooth, attractive in appearance, with intensity is high, lightweight, low cost, the longevity
The characteristics of ordering long, should be widely promoted and use.
Specific embodiment
In order that the technical problems to be solved by the invention, technical scheme and beneficial effect become more apparent, below tie
Embodiment is closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used to solve
The present invention is released, is not intended to limit the present invention.
Embodiment one
The preparation method of woven-jacket hose, it includes step：
（1）Constitute by weight, by 20 parts of polyacrylamide starch, 26 parts of basalt powders, 18 parts of oyster shell whitings, 15 parts of solid-states
The molten fat polyethylene of height, 5 parts of ethene derivatives, 0.3 part of antioxidant 1010,5 parts of butadiene rubbers and 10 parts of polyamide wax mixing,
Ultrasonic to disperse at a high speed, ultrasonic frequency is 20KHz, rate of dispersion about 5000r/min, and jitter time is 30min；
（2）Wire drawing is carried out using plastic-wire drawing machine；
（3）The positioning of warp and parallel is carried out using plastics filament winder；
（4）The warp of wire drawing, parallel are processed by winder, doubling, twisting, wet steaming, tubular water band, winder speed is woven into
650m/min, tension scale 4；Warp and parallel typically pool capital number of share of stock for 8 strands of warp, 6 strands of parallel；Spinning twist is generally warp
180 sth. made by twisting/m, parallel 140 twists with the fingers/m；The wet steaming temperature 70 C of line, time 20min；
（5）Plastic foil is then coated with by polyurethane adhesive multiple stiffener along water strip length direction to inner surface in tubular water band,
Stiffener is made up of polyurethane material；
（6）The inner surface of water band is translated into outer surface, and coating plastic film with device using turning over, leveling sizing completes water band and makes.
Embodiment two
The preparation method of woven-jacket hose, it includes step：
（1）Constitute by weight, by 24 parts of polyacrylamide starch, 26 parts of basalt powders, 18 parts of oyster shell whitings, 10 parts of solid-states
The molten fat polyethylene of height, 5 parts of ethene derivatives, 0.5 part of antioxidant 1010,5 parts of butadiene rubbers and 12 parts of polyamide waxes are mixed
Close, ultrasound is disperseed at a high speed, and ultrasonic frequency is 40KHz, rate of dispersion about 5400r/min, and jitter time is 60min；
（2）Wire drawing is carried out using plastic-wire drawing machine；
（3）The positioning of warp and parallel is carried out using plastics filament winder；
（4）The warp of wire drawing, parallel are processed by winder, doubling, twisting, wet steaming, tubular water band, winder speed is woven into
700m/min, tension scale 6；Warp and parallel typically pool capital number of share of stock for 10 strands of warp, 8 strands of parallel；Spinning twist is generally warp
Line 200 twists with the fingers/m, and parallel 160 twists with the fingers/m；Line is wet to steam 80 DEG C of temperature, time 30min；
（5）Plastic foil is then coated with by polyurethane adhesive multiple stiffener along water strip length direction to inner surface in tubular water band,
Stiffener is made up of polyurethane material；
（6）The inner surface of water band is translated into outer surface, and coating plastic film with device using turning over, leveling sizing completes water band and makes.
Embodiment three
The preparation method of woven-jacket hose, it includes step：
（1）Constitute by weight, by 22 parts of polyacrylamide starch, 24 parts of basalt powders, 20 parts of oyster shell whitings, 10 parts of solid-states
The molten fat polyethylene of height, 8 parts of ethene derivatives, 0.5 part of antioxidant 1010,6 parts of butadiene rubbers and 10 parts of polyamide waxes are mixed
Close, ultrasound is disperseed at a high speed, and ultrasonic frequency is 40KHz, rate of dispersion about 5400r/min, and jitter time is 60min；
（2）Wire drawing is carried out using plastic-wire drawing machine；
（3）The positioning of warp and parallel is carried out using plastics filament winder；
（4）The warp of wire drawing, parallel are processed by winder, doubling, twisting, wet steaming, tubular water band, winder speed is woven into
700m/min, tension scale 6；Warp and parallel typically pool capital number of share of stock for 10 strands of warp, 8 strands of parallel；Spinning twist is generally warp
Line 200 twists with the fingers/m, and parallel 160 twists with the fingers/m；Line is wet to steam 80 DEG C of temperature, time 30min；
（5）Plastic foil is then coated with by polyurethane adhesive multiple stiffener along water strip length direction to inner surface in tubular water band,
Stiffener is made up of polyurethane material；
（6）The inner surface of water band is translated into outer surface, and coating plastic film with device using turning over, leveling sizing completes water band and makes.
Example IV
The preparation method of described woven-jacket hose, it includes step：
（1）Constitute by weight, by 22 parts of polyacrylamide starch, 24 parts of basalt powders, 20 parts of oyster shell whitings, 10 parts of solid-states
The molten fat polyethylene of height, 8 parts of ethene derivatives, 0.4 part of antioxidant 1010,12 parts of butadiene rubbers and 8 parts of polyamide wax mixing；
（2）Wire drawing is carried out using plastic-wire drawing machine；
（3）The positioning of warp and parallel is carried out using plastics filament winder；
（4）The warp of wire drawing, parallel are processed by winder, doubling, twisting, wet steaming, tubular water band, winder speed is woven into
700m/min, tension scale 6；Warp and parallel typically pool capital number of share of stock for 10 strands of warp, 8 strands of parallel；Spinning twist is generally warp
Line 200 twists with the fingers/m, and parallel 160 twists with the fingers/m；Line is wet to steam 80 DEG C of temperature, time 30min；
（5）Plastic foil is then coated with by polyurethane adhesive multiple stiffener along water strip length direction to inner surface in tubular water band,
Stiffener is made up of polyurethane material；
（6）The inner surface of water band is translated into outer surface, and coating plastic film with device using turning over, leveling sizing completes water band and makes.
Preferably, in the various embodiments described above, water band is using the 2/2 woven twill weave of disconnected twill-weave structure.
It should be appreciated that application of the invention is not limited to above-mentioned citing, and for those of ordinary skills, can
To be improved according to the above description or converted, all these modifications and variations should all belong to the guarantor of appended claims of the present invention
Shield scope.
Claims (4)
1. a kind of preparation method of woven-jacket hose, it is characterised in that including step：
（1）Constitute by weight, by 20~24 parts of polyacrylamide starch, 22~26 parts of basalt powders, 18~22 parts of shells
Powder, the molten fat polyethylene of height of 10 ~ 20 parts of solid-states, 5 ~ 15 parts of ethene derivatives, 0.3 ~ 0.5 part of antioxidant 1010,5~15 parts
Butadiene rubber and 6~12 parts of polyamide wax mixing, ultrasound are disperseed at a high speed, and ultrasonic frequency is 20~40KHz, and rate of dispersion is about
5000~5400r/min, jitter time is 30~60min；
（2）Wire drawing is carried out using plastic-wire drawing machine；
（3）The positioning of warp and parallel is carried out using plastics filament winder；
（4）The warp of wire drawing, parallel are processed by winder, doubling, twisting, wet steaming, tubular water band, winder speed is woven into
650-700m/min, tension scale 4-6；Warp and parallel typically pool capital number of share of stock for warp 8-10 strands, parallel 6-8 strands；Stock yarn is twisted with the fingers
Degree is generally warp 180-200 sth. made by twisting/m, parallel 140-160 sth. made by twisting/m；Line is wet to steam 70-80 DEG C of temperature, time 20-30min；
（5）Plastic foil is then coated with by polyurethane adhesive multiple stiffener along water strip length direction to inner surface in tubular water band,
Stiffener is made up of polyurethane material；
（6）The inner surface of water band is translated into outer surface, and coating plastic film with device using turning over, leveling sizing completes water band and makes.
2. the preparation method of woven-jacket hose according to claim 1, it is characterised in that constitute by weight, by 22~
24 parts of polyacrylamide starch, 24~25 parts of basalt powders, 20~22 parts of oyster shell whitings, height of 10~15 parts of solid-states melt the poly- second of fat
Alkene, 8~12 parts of ethene derivatives, 0.3 ~ 0.5 part of antioxidant 1010,6~12 parts of butadiene rubbers and 8~10 parts of polyamide waxes
Mixing.
3. the preparation method of woven-jacket hose according to claim 1, it is characterised in that constitute by weight, by 22 parts
Polyacrylamide starch, 24 parts of basalt powders, 20 parts of oyster shell whitings, the molten fat polyethylene of height of 10 parts of solid-states, 8 parts of ethene derivatives,
0.4 part of antioxidant 1010,12 parts of butadiene rubbers and 8 parts of polyamide wax mixing.
4. the preparation method of woven-jacket hose according to claim 1, it is characterised in that water band is using 2/2 disconnected twill-weave
The woven twill weave of structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710026986.3A CN106757433A (en) | 2017-01-15 | 2017-01-15 | A kind of preparation method of woven-jacket hose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710026986.3A CN106757433A (en) | 2017-01-15 | 2017-01-15 | A kind of preparation method of woven-jacket hose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106757433A true CN106757433A (en) | 2017-05-31 |
Family
ID=58945597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710026986.3A Pending CN106757433A (en) | 2017-01-15 | 2017-01-15 | A kind of preparation method of woven-jacket hose |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111086230A (en) * | 2018-10-22 | 2020-05-01 | 东莞科威医疗器械有限公司 | Turnover forming device and forming method of flow guide partition plate |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001254874A (en) * | 2000-01-05 | 2001-09-21 | Giken Seisakusho Co Ltd | Rubber hose and manufacturing method |
| CN1631660A (en) * | 2005-02-05 | 2005-06-29 | 罗衍宾 | Method for manufacturing polypropylene woven water tape and products thereof |
| CN2806934Y (en) * | 2005-07-15 | 2006-08-16 | 罗衍宾 | Woven and film coated hose |
| CN105463856A (en) * | 2016-01-06 | 2016-04-06 | 江苏工程职业技术学院 | Novel ultra-high molecular weight polyethylene woven fire-fighting hose and manufacturing method thereof |
| CN105924936A (en) * | 2016-06-29 | 2016-09-07 | 龚灿锋 | Power cable for offshore oil drilling platform |
| CN106009704A (en) * | 2016-07-07 | 2016-10-12 | 孝感市奇思妙想文化传媒有限公司 | Flame-retardant acid-alkali-resistant wear-resistant fire fighting hose material |
-
2017
- 2017-01-15 CN CN201710026986.3A patent/CN106757433A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001254874A (en) * | 2000-01-05 | 2001-09-21 | Giken Seisakusho Co Ltd | Rubber hose and manufacturing method |
| CN1631660A (en) * | 2005-02-05 | 2005-06-29 | 罗衍宾 | Method for manufacturing polypropylene woven water tape and products thereof |
| CN2806934Y (en) * | 2005-07-15 | 2006-08-16 | 罗衍宾 | Woven and film coated hose |
| CN105463856A (en) * | 2016-01-06 | 2016-04-06 | 江苏工程职业技术学院 | Novel ultra-high molecular weight polyethylene woven fire-fighting hose and manufacturing method thereof |
| CN105924936A (en) * | 2016-06-29 | 2016-09-07 | 龚灿锋 | Power cable for offshore oil drilling platform |
| CN106009704A (en) * | 2016-07-07 | 2016-10-12 | 孝感市奇思妙想文化传媒有限公司 | Flame-retardant acid-alkali-resistant wear-resistant fire fighting hose material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111086230A (en) * | 2018-10-22 | 2020-05-01 | 东莞科威医疗器械有限公司 | Turnover forming device and forming method of flow guide partition plate |
| CN111086230B (en) * | 2018-10-22 | 2022-04-15 | 东莞科威医疗器械有限公司 | Turnover forming device and forming method of flow guide partition plate |
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