CN114457440B - Preparation method of high-strength and high-toughness fishing line - Google Patents
Preparation method of high-strength and high-toughness fishing line Download PDFInfo
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- CN114457440B CN114457440B CN202111623298.8A CN202111623298A CN114457440B CN 114457440 B CN114457440 B CN 114457440B CN 202111623298 A CN202111623298 A CN 202111623298A CN 114457440 B CN114457440 B CN 114457440B
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- shading
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- stress line
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- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 54
- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- 239000002994 raw material Substances 0.000 claims abstract description 28
- 125000006850 spacer group Chemical group 0.000 claims abstract description 25
- 238000002156 mixing Methods 0.000 claims abstract description 12
- 238000004043 dyeing Methods 0.000 claims abstract description 5
- 239000012530 fluid Substances 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 21
- 238000001816 cooling Methods 0.000 claims description 12
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 claims description 6
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 5
- 229940103272 aluminum potassium sulfate Drugs 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 5
- 229920002681 hypalon Polymers 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 5
- -1 polyethylene Polymers 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 5
- GRLPQNLYRHEGIJ-UHFFFAOYSA-J potassium aluminium sulfate Chemical compound [Al+3].[K+].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O GRLPQNLYRHEGIJ-UHFFFAOYSA-J 0.000 claims description 5
- 229910001923 silver oxide Inorganic materials 0.000 claims description 5
- NDVLTYZPCACLMA-UHFFFAOYSA-N silver oxide Substances [O-2].[Ag+].[Ag+] NDVLTYZPCACLMA-UHFFFAOYSA-N 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- PAAZPARNPHGIKF-UHFFFAOYSA-N 1,2-dibromoethane Chemical compound BrCCBr PAAZPARNPHGIKF-UHFFFAOYSA-N 0.000 claims description 3
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 3
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 3
- 238000004040 coloring Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 235000019253 formic acid Nutrition 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000004513 sizing Methods 0.000 claims description 3
- 230000035882 stress Effects 0.000 abstract description 51
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000032683 aging Effects 0.000 abstract description 5
- 238000005299 abrasion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- 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
- D01D5/16—Stretch-spinning methods using rollers, or like mechanical devices, e.g. snubbing pins
-
- 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
- D01D11/00—Other features of manufacture
-
- 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
- D01D13/00—Complete machines for producing artificial threads
-
- 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
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- 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
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/46—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polyolefins
Abstract
The invention discloses a preparation method of a high-strength high-toughness fishing line, belonging to the field of fishing line production, and the preparation method of the high-strength high-toughness fishing line comprises the following steps: s1, linear stretching, namely mixing various raw materials together and processing the raw materials into a linear shape to form a stress line; s2, wrapping the gap layer, and wrapping the spacer material on the outer side of the stress line to form the gap layer; s3, forming the shading sleeve, and wrapping the shading material on the outer side of the gap layer to form the shading sleeve; s4, the gap layer is removed, the gap layer between the stress line and the shading sleeve is removed through heating, S5, dyeing is carried out, the stress line and the shading sleeve are colored, contact between the stress line and sunlight can be reduced, the aging phenomenon after the stress line is irradiated by sunlight is reduced, the strength and toughness of the stress line are guaranteed, the production process is simple, the production difficulty is low, and the production cost is low.
Description
Technical Field
The invention relates to the field of fishing line production, in particular to a preparation method of a high-strength and high-toughness fishing line.
Background
CN110820335A disclosed in application publication No. CN101348067B, although the tensile strength and the shear strength of the fishing line are high, the thermoplasticity and the abrasion resistance are poor, and the fishing line is convenient to process and use.
However, the problem that the strength and toughness of the existing fishing line are gradually reduced along with the aging degree of the fishing line due to the fact that the existing fishing line is rapidly aged after being contacted with sunlight is not solved, and therefore a preparation method of the high-strength high-toughness fishing line is provided.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a preparation method of a high-strength and high-toughness fishing line, which can be realized by reducing the contact between a stress line and sunlight, reducing the aging phenomenon of the stress line after the stress line is irradiated by the sunlight, ensuring the strength and toughness of the stress line, and has the advantages of simple production process, low production difficulty and low production cost.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A preparation method of a high-strength high-toughness fishing line comprises the following steps:
s1, linear stretching, namely mixing various raw materials together and processing the raw materials into a linear shape to form a stress line;
s2, wrapping the gap layer, and wrapping the spacer material on the outer side of the stress line to form the gap layer;
s3, forming the shading sleeve, and wrapping the shading material on the outer side of the gap layer to form the shading sleeve;
s4, dismantling the gap layer, and removing the gap layer between the stress line and the shading sleeve through heating;
the S1 comprises the following steps:
s101, mixing raw materials, namely mixing and stirring polyethylene fibers, aluminum potassium sulfate, chlorosulfonated polyethylene, nano titanium dioxide and nano silver oxide until the raw materials are fully and uniformly stirred;
s102, carrying out hot melting on the raw materials, and heating the mixed raw materials until the raw materials are heated into fluid;
s103, forming silk threads, namely producing the hot-melted raw materials into linear shapes through mechanical equipment to form stress lines;
the S2 comprises the following steps:
s201, dissolving the spacing material, and heating the spacing material to melt the spacing material into spacing liquid;
s202, threading a linear pipe, namely threading a stress line into the linear pipe, and enabling the stress line to be positioned in the middle of the linear pipe;
s203, grouting and forming, namely, pouring spacer fluid into the linear pipe to fill a gap between the linear pipe and the stress line;
s204, standing and forming, namely standing the spacer fluid after grouting is finished until the spacer fluid is cooled to form a gap layer;
s205, removing the linear pipe, wherein the linear pipe is removed from the outer side of the formed gap layer;
the S3 comprises the following steps:
s301, dissolving the shading material, and heating the shading material to melt the shading material into shading liquid;
s302, wrapping shading liquid, and wrapping the shading liquid outside the gap layer through mechanical wrapping equipment;
s303, cooling and forming, namely standing the gap layer wrapped with the shading liquid until the gap layer is cooled to form a shading sleeve;
the S4 comprises the following steps:
s401, heating the gap layer until the gap layer is re-melted into spacer fluid by heating the gap layer;
s402, washing spacer fluid, namely washing the spacer fluid between the stress line and the shading sleeve by using water until the spacer fluid is completely removed from the space between the stress line and the shading sleeve;
s403, drying, namely heating the stress line and the light-shielding sleeve pipe after the clearance layer is removed, wherein the heating time is 0.5h to 08h.
Further, the polyethylene fiber, the aluminum potassium sulfate, the chlorosulfonated polyethylene, the nano titanium dioxide and the nano silver oxide are mixed according to the mixing ratio of 80 to 82.
Further, the heating temperature of the raw material hot melting is 240-300 ℃.
Further, the spacing material is any one of formic acid, formamide, 1,2-dibromoethane and ethylenediamine.
Further, the preparation method also comprises the following steps:
s5, dyeing, namely coloring the stress line and the shading sleeve;
and S6, sizing the wear-resistant layer, and wrapping the wear-resistant material on the outer sides of the stress line and the shading sleeve to form the wear-resistant layer.
Further, the step S6 includes the following steps:
s601, dissolving the wear-resistant material, and heating the wear-resistant material to melt the wear-resistant material into wear-resistant liquid;
s602, wrapping the wear-resistant material, and driving the stress line and the shading sleeve to pass through the wear-resistant liquid at a constant speed through mechanical power equipment to wrap the wear-resistant material on the outer sides of the stress line and the shading sleeve;
and S603, mechanically cooling, namely cooling the wear-resistant materials wrapped on the outer sides of the stress line and the shading sleeve through mechanical cooling equipment to quickly form a wear-resistant layer wrapped on the outer sides of the stress line and the shading sleeve.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) According to the scheme, the shading sleeve is arranged on the outer side of the stress line, so that the contact between the stress line and sunlight can be effectively reduced, and the aging phenomenon of the stress line after being irradiated by sunlight is effectively reduced, so that the strength and toughness of the stress line are effectively guaranteed.
Drawings
FIG. 1 is a flow chart of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
Example 1:
referring to fig. 1, a method for preparing a high-strength and high-toughness fishing line includes the following steps:
the first step is as follows: linear stretching, namely mixing various raw materials together and processing the mixture into a linear shape to form a stress line;
specifically, the first step comprises the following steps:
mixing raw materials, namely mixing polyethylene fibers, aluminum potassium sulfate, chlorosulfonated polyethylene, nano titanium dioxide and nano silver oxide according to the proportion of 80 to 82, 3 to 4, 1 to 1.5, and 3 to 5, and stirring the mixed raw materials until the raw materials are fully and uniformly stirred, wherein the stirring time is preferably 0.3-0.5 h;
the raw materials are hot-melted, and the mixed raw materials are heated until the raw materials are heated into fluid, wherein the heating temperature is preferably 240-300 ℃;
and (3) forming the silk threads, namely, producing the hot-melted raw materials into linear shapes by mechanical equipment to form stress lines.
The second step is that: the gap layer is wrapped, and the spacer material is wrapped on the outer side of the stress line to form the gap layer;
the second step comprises the following steps:
dissolving the spacing material, and heating the spacing material to melt the spacing material into spacing liquid;
the spacing material is a material with a melting point lower than 10 ℃, preferably any one of formic acid, formamide, 1,2-dibromoethane and ethylenediamine;
the linear pipe is inserted into the pipe, and the stress line is positioned in the middle of the linear pipe;
grouting and forming, namely pouring spacer fluid into the linear pipe to fill a gap between the linear pipe and the stress line;
standing and forming, namely standing the spacer fluid after grouting is finished until the spacer fluid is cooled to form a gap layer;
and (4) removing the linear pipe, and removing the linear pipe from the outer side of the formed gap layer.
The third step: forming a shading sleeve, and wrapping the shading material on the outer side of the gap layer to form the shading sleeve;
the third step comprises the following steps:
dissolving the shading material, and heating the shading material to melt the shading material into shading liquid;
here, the light-shielding material is any flexible material that can shield sunlight;
the shading liquid is wrapped, and the shading liquid is wrapped outside the gap layer through mechanical wrapping equipment;
and cooling and forming, namely standing the gap layer wrapped with the shading liquid until the gap layer is cooled to form the shading sleeve.
The fourth step: removing the gap layer, and removing the gap layer between the stress line and the shading sleeve by heating;
the fourth step comprises the following steps:
heating the gap layer until the gap layer is re-melted into spacer fluid by heating the gap layer;
washing the spacer fluid with water, namely washing the spacer fluid between the stress line and the shading sleeve with water until the spacer fluid is completely removed from between the stress line and the shading sleeve;
and (3) drying, namely heating the stress line and the shading sleeve pipe after the clearance layer is removed, wherein the heating time is preferably 0.5h to 08h.
The fifth step: dyeing, namely coloring the stress line and the shading sleeve;
dyeing is mature prior art, and detailed description is not repeated in the technical scheme;
and a sixth step: sizing the wear-resistant layer, and wrapping the wear-resistant material on the outer sides of the stress line and the shading sleeve to form the wear-resistant layer;
here, the sixth step includes the steps of:
dissolving the wear-resistant material, and heating the wear-resistant material to melt the wear-resistant material into wear-resistant liquid;
the wear-resistant material is wrapped, and the stress line and the shading sleeve are driven by mechanical power equipment to pass through the wear-resistant liquid at a constant speed, so that the wear-resistant material is wrapped on the outer sides of the stress line and the shading sleeve;
and (4) mechanical cooling, namely cooling the wear-resistant materials wrapped on the outer sides of the stress line and the shading sleeve through mechanical cooling equipment, so that the wear-resistant materials are quickly formed into a wear-resistant layer wrapped on the outer sides of the stress line and the shading sleeve.
In conclusion, the shading sleeve is arranged on the outer side of the stress line, so that the contact between the stress line and sunlight can be effectively reduced, and the aging phenomenon of the stress line after the stress line is irradiated by the sunlight can be effectively reduced, so that the strength and toughness of the stress line can be effectively ensured.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (6)
1. A preparation method of a high-strength high-toughness fishing line is characterized by comprising the following steps: the method comprises the following steps:
s1, linear stretching, namely mixing various raw materials together and processing the raw materials into a linear shape to form a stress line;
s2, wrapping the gap layer, and wrapping the spacer material on the outer side of the stress line to form the gap layer;
s3, forming the shading sleeve, and wrapping the shading material on the outer side of the gap layer to form the shading sleeve;
s4, dismantling the gap layer, and removing the gap layer between the stress line and the shading sleeve through heating;
the S1 comprises the following steps:
s101, mixing raw materials, namely mixing and stirring polyethylene fibers, aluminum potassium sulfate, chlorosulfonated polyethylene, nano titanium dioxide and nano silver oxide until the raw materials are fully and uniformly stirred;
s102, carrying out hot melting on the raw materials, and heating the mixed raw materials until the raw materials are heated into fluid;
s103, forming silk threads, namely producing the hot-melted raw materials into linear shapes through mechanical equipment to form stress lines;
the S2 comprises the following steps:
s201, dissolving the spacing material, and heating the spacing material to melt the spacing material into spacing liquid;
s202, threading a linear tube, namely threading a stress wire into the linear tube, and positioning the stress wire at the middle position of the linear tube;
s203, grouting and forming, namely, pouring spacer fluid into the linear pipe to fill a gap between the linear pipe and the stress line;
s204, standing and forming, namely standing the spacer fluid after grouting is finished until the spacer fluid is cooled to form a gap layer;
s205, removing the linear pipe, wherein the linear pipe is removed from the outer side of the formed gap layer;
the S3 comprises the following steps:
s301, dissolving the shading material, and heating the shading material to melt the shading material into shading liquid;
s302, wrapping shading liquid, and wrapping the shading liquid outside the gap layer through mechanical wrapping equipment;
s303, cooling and forming, namely standing the gap layer wrapped with the shading liquid until the gap layer is cooled to form a shading sleeve;
the S4 comprises the following steps:
s401, heating the gap layer until the gap layer is re-melted into spacer fluid by heating the gap layer;
s402, washing spacer fluid, namely washing the spacer fluid between the stress line and the shading sleeve by using water until the spacer fluid is completely removed from the space between the stress line and the shading sleeve;
s403, drying, namely heating the stress line and the light-shielding sleeve pipe after the clearance layer is removed, wherein the heating time is 0.5h to 08h.
2. The preparation method of the high-strength high-toughness fishing line according to claim 1, wherein the preparation method comprises the following steps: the polyethylene fiber, the aluminum potassium sulfate, the chlorosulfonated polyethylene, the nano titanium dioxide and the nano silver oxide are mixed according to the mixing ratio of 80 to 82.
3. The preparation method of the high-strength high-toughness fishing line according to claim 1, wherein the preparation method comprises the following steps: the heating temperature of the raw material hot melting is 240-300 ℃.
4. The preparation method of the high-strength high-toughness fishing line according to claim 1, wherein the preparation method comprises the following steps: the spacing material is any one of formic acid, formamide, 1,2-dibromoethane and ethylenediamine.
5. The preparation method of the high-strength high-toughness fishing line according to claim 1, wherein the preparation method comprises the following steps: the preparation method also comprises the following steps:
s5, dyeing, namely coloring the stress line and the shading sleeve;
s6, sizing the wear-resistant layer, and wrapping the wear-resistant material on the outer sides of the stress line and the shading sleeve to form the wear-resistant layer.
6. The preparation method of the high-strength high-toughness fishing line according to claim 5, wherein the preparation method comprises the following steps: the S6 comprises the following steps:
s601, dissolving the wear-resistant material, and heating the wear-resistant material to melt the wear-resistant material into wear-resistant liquid;
s602, wrapping the wear-resistant material, and driving the stress line and the shading sleeve to pass through the wear-resistant liquid at a constant speed through mechanical power equipment to wrap the wear-resistant material on the outer sides of the stress line and the shading sleeve;
and S603, mechanically cooling, namely cooling the wear-resistant materials wrapped on the outer sides of the stress line and the shading sleeve through mechanical cooling equipment to quickly form a wear-resistant layer wrapped on the outer sides of the stress line and the shading sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111623298.8A CN114457440B (en) | 2021-12-28 | 2021-12-28 | Preparation method of high-strength and high-toughness fishing line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111623298.8A CN114457440B (en) | 2021-12-28 | 2021-12-28 | Preparation method of high-strength and high-toughness fishing line |
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| Publication Number | Publication Date |
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| CN114457440A CN114457440A (en) | 2022-05-10 |
| CN114457440B true CN114457440B (en) | 2023-02-28 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5665300A (en) * | 1996-03-27 | 1997-09-09 | Reemay Inc. | Production of spun-bonded web |
| JP2002306023A (en) * | 2001-04-13 | 2002-10-22 | Kazuo Yoshimura | Fishhook |
| CN201995484U (en) * | 2011-01-08 | 2011-10-05 | 江门市新会区大新化学纤维厂 | High-strength bionic fishing thread |
| CN103302906A (en) * | 2013-06-01 | 2013-09-18 | 山东爱地高分子材料有限公司 | Ultra-high-modulus polyethylene fiber reinforced plastic rod and manufacturing method thereof |
| CN105636435A (en) * | 2014-09-19 | 2016-06-01 | Faps股份有限责任公司 | Method for manufacturing fishing rods and fishing rod created using this method |
| CN109056103A (en) * | 2018-06-28 | 2018-12-21 | 巢湖市荷花渔网有限公司 | A kind of preparation method of high resiliency fishing lines |
-
2021
- 2021-12-28 CN CN202111623298.8A patent/CN114457440B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5665300A (en) * | 1996-03-27 | 1997-09-09 | Reemay Inc. | Production of spun-bonded web |
| JP2002306023A (en) * | 2001-04-13 | 2002-10-22 | Kazuo Yoshimura | Fishhook |
| CN201995484U (en) * | 2011-01-08 | 2011-10-05 | 江门市新会区大新化学纤维厂 | High-strength bionic fishing thread |
| CN103302906A (en) * | 2013-06-01 | 2013-09-18 | 山东爱地高分子材料有限公司 | Ultra-high-modulus polyethylene fiber reinforced plastic rod and manufacturing method thereof |
| CN105636435A (en) * | 2014-09-19 | 2016-06-01 | Faps股份有限责任公司 | Method for manufacturing fishing rods and fishing rod created using this method |
| CN109056103A (en) * | 2018-06-28 | 2018-12-21 | 巢湖市荷花渔网有限公司 | A kind of preparation method of high resiliency fishing lines |
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| CN114457440A (en) | 2022-05-10 |
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Effective date of registration: 20231114 Address after: 222000 No. 1, Ningdong Road, Wuwei Village, Ninghai Township, Haizhou District, Lianyungang City, Jiangsu Province Patentee after: Lianyungang fuxingkang fishing gear Co.,Ltd. Address before: 224051 middle road of hope Avenue, Yancheng City, Jiangsu Province, No. 1 Patentee before: YANCHENG INSTITUTE OF TECHNOLOGY |
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