CN102534818A - Silk making technology - Google Patents
Silk making technology Download PDFInfo
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- CN102534818A CN102534818A CN2011104563223A CN201110456322A CN102534818A CN 102534818 A CN102534818 A CN 102534818A CN 2011104563223 A CN2011104563223 A CN 2011104563223A CN 201110456322 A CN201110456322 A CN 201110456322A CN 102534818 A CN102534818 A CN 102534818A
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- silk
- degreasing
- submissive
- liquid
- soak
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- 238000005516 engineering process Methods 0.000 title claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 59
- 238000005238 degreasing Methods 0.000 claims abstract description 46
- 239000003599 detergent Substances 0.000 claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 21
- 238000009987 spinning Methods 0.000 claims abstract description 10
- 239000007864 aqueous solution Substances 0.000 claims description 21
- 241000208125 Nicotiana Species 0.000 claims description 20
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims description 20
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- 239000013527 degreasing agent Substances 0.000 claims description 17
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 12
- 239000004115 Sodium Silicate Substances 0.000 claims description 6
- 238000007654 immersion Methods 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 6
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 6
- 238000009835 boiling Methods 0.000 abstract description 10
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 8
- 239000001569 carbon dioxide Substances 0.000 abstract description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 4
- 238000003763 carbonization Methods 0.000 abstract description 2
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 241000255789 Bombyx mori Species 0.000 abstract 4
- 108010013296 Sericins Proteins 0.000 abstract 3
- 238000005406 washing Methods 0.000 abstract 3
- 238000001035 drying Methods 0.000 abstract 2
- 238000005507 spraying Methods 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 description 16
- 238000003756 stirring Methods 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
Landscapes
- Detergent Compositions (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses a silk making technology, belonging to the technical field of silkworm cocoon silk making. The silk making technology disclosed by the invention is finished through the technological processes of reeling off raw silk, immersing, washing, softening and drying, and specifically comprises the following steps of: spraying a reeling degreasing solution to silkworm cocoons, reeling off raw silk from the silkworm cocoon, and making the raw silk into degreased flaky silk, on which sericin is still adhered, through a spinning machine; immersing the obtained degreased flaky silk on which sericin is still adhered in a washing detergent, washing with clean water, and immersing in the clean water, thereby obtaining degreased silk of which the adhered sericin is separated; and immersing the degreased silk into a softening liquid, as well as dehydrating and drying the softened silk finally. According to the silk making technology disclosed by the invention, a silk boiling process in the conventional silkworm cocoon silk making technology is avoided, so that environmental pollution caused by generation of a large amount of carbon dioxide is prevented, and zero carbonization production is realized; meanwhile, the damage, caused by a high-temperature silk boiling operation, on the silk is also prevented, and the silk made according to the silk making technology disclosed by the invention is more flexible and durable and has better heat retention and comfortableness.
Description
Technical field
The present invention relates to a kind of technology for making tobacco threds, belong to silk cocoon throwing technical field.
Background technology
The following technological process of the general employing of present existing silk cocoon technology for making tobacco threds: " reel off raw silk from cocoons---silk boiling---clean---submissive---oven dry "; Wherein, " silk boiling " is meant: will extract out through spinning machine, also do not have the silk of degreasing, place the pond of the aqueous solution that degreasing has been housed, be under 95 ℃ of-120 ℃ of conditions in temperature; Boil about 2 hours, silk is done ungrease treatment.This " silk boiling " technology is to produce steam through boiler, utilizes steam that the degreasing aqueous solution is boiled; To reach 95 ℃-120 ℃ required " silk boiling " temperature, this process tends to produce a large amount of carbon dioxide, causes environmental pollution; Simultaneously; Because silk is azelon, through the silk that high temperature boils, its toughness and durability are impaired.Therefore, the silk core that the silk that adopts the silk cocoon technology for making tobacco threds of existing containing of " silk boiling " technology to be made is processed is prone to knot plate, durable, thereby has influenced the warmth retention property and the comfortableness of core.
Summary of the invention
The object of the invention is to provide a kind of technology for making tobacco threds; Said technology for making tobacco threds need not through " silk boiling " process; But take off dried, airing again through 1 ℃-30 ℃ the aqueous solution soaking of separating a degreaser, detergent liquid, submissive liquid, cleaning of configuration at normal temperatures, after submissive through the silk that will pass through after reeling off raw silk from cocoons, and can avoid producing a large amount of carbon dioxide pollution environment, the silk that adopts this technology for making tobacco threds to make simultaneously is more tough; More durable, warmth retention property and comfortableness are better.
For addressing the above problem, the technical scheme that the present invention adopted is: a kind of technology for making tobacco threds is through reeling off raw silk from cocoons---soak---clean---submissive---airing technical process and accomplish, its concrete processing step is following:
(1) reel off raw silk from cocoons: silk is separated through separating thread degreaser spray in the silk cocoon limit, and the limit processes through spinning machine that degreasing silk gum still adheres to the sheet silk on the silk;
(2) soak: the silk gum of degreasing that taking-up step (1) makes still adheres to the sheet silk on the silk; Place detergent liquid to soak 33-39 hour, still to adhere to sheet silk and the weight ratio of detergent liquid on the silk be 1:40 to degreasing silk gum, in the immersion process; Whenever stirred once at a distance from 3 hours; The sheet silk that lets degreasing silk gum still adhere on the silk fully soaks in detergent liquid, and the silk gum that adheres on the silk is separated with silk, obtains soaked silk;
(3) clean: after the soaked silk of step (2) acquisition is cleaned with clear water, steeped 3-6 hour with clear water again, obtain the silk of degreasing;
(4) submissive: the silk of the degreasing that step (3) is obtained takes off dried, places submissive liquid to soak then 0.5-1 hour, and the weight ratio of the silk of degreasing and submissive liquid is 1:20, soak end after, obtain the silk after submissive;
(5) airing: with step (4) obtain submissive after silk take off dried, airing, promptly obtain the silk for preparing.
Spinning machine in the said processing step (1) is the metal cylinder drum-type structure.
Degreaser of separating in the said processing step (1) is to be caustic soda and the water of the 92-98% ratio by weight 1:90 ~ 1:400 with mass fraction, 1 ℃-30 ℃ the aqueous solution that is prepared from normal temperatures.
Detergent liquid in the said processing step (2) is to be hydrogen peroxide solution, sodium silicate solid, liquid detergent and the water of 22-32% with mass fraction, by weight the ratio of 2:1:1:110 ~ 2:1:1:400, and 1 ℃-30 ℃ the aqueous solution that is prepared from normal temperatures.
Submissive liquid in the said processing step (4) is to be hydrogen peroxide solution, TF-404 softener and the water of the 22-32% ratio by weight 1:2:400 with mass fraction, 1 ℃-30 ℃ the aqueous solution that is prepared from normal temperatures.
The present invention with respect to the beneficial effect of prior art is: technology for making tobacco threds according to the invention is without existing silk cocoon technology for making tobacco threds " silk boiling " process; Therefore can avoid realizing zero carbonization production because of using the boiler producing steam to produce a large amount of carbon dioxide pollution environment; Simultaneously, owing to do not adopt " silk boiling " process, also can avoid the damage of high temperature silk boiling to silk, therefore, the silk that adopts technology for making tobacco threds according to the invention to prepare is more tough, more durable, warmth retention property and comfortableness are better.
The specific embodiment
Through embodiment the present invention is explained further details below, these embodiment only are used for explaining the present invention, do not limit the scope of the invention.
Embodiment 1 adopts technology for making tobacco threds of the present invention to carry out silk cocoon throwing according to following concrete steps:
(1) reel off raw silk from cocoons: silk is separated through separating thread degreaser spray in the silk cocoon limit, and the limit processes through the spinning machine of metal cylinder drum-type structure that degreasing silk gum still adheres to the sheet silk on the silk;
(2) soak: take out the silk gum of degreasing that step (1) makes and still adhere to the sheet silk on the silk, place detergent liquid to soak 33 hours, still to adhere to sheet silk and the weight ratio of detergent liquid on the silk be 1:40 to degreasing silk gum; In the immersion process; Whenever stirred once at a distance from 3 hours, stir altogether 11 times, the sheet silk that lets degreasing silk gum still adhere on the silk fully soaks in detergent liquid; The silk gum that adheres on the silk is separated with silk, obtain soaked silk;
(3) clean: after the soaked silk of step (2) acquisition is cleaned with clear water, steeped 3 hours with clear water again, obtain the silk of degreasing;
(4) submissive: the silk of the degreasing that step (3) is obtained takes off dried, places submissive liquid to soak then 0.7 hour, and the weight ratio of the silk of degreasing and submissive liquid is 1:20, soak end after, obtain the silk after submissive;
(5) airing: with step (4) obtain submissive after silk take off dried, airing, promptly obtain the silk for preparing.
Wherein, it is following to separate the preparation of a degreaser, detergent liquid, submissive liquid:
(1) separate the preparation of a degreaser: with mass fraction is 92% caustic soda and the water ratio by weight 1:90,1 ℃ the aqueous solution that is prepared from normal temperatures;
(2) preparation of detergent liquid: with mass fraction is 22% hydrogen peroxide solution, sodium silicate solid, liquid detergent and water, by weight the ratio of 2:1:1:320, and 1 ℃ the aqueous solution that is prepared from normal temperatures;
(3) preparation of submissive liquid: with mass fraction 22% hydrogen peroxide solution, TF-404 softener and water ratio by weight 1:2:400,1 ℃ the aqueous solution that is prepared from normal temperatures.
Embodiment 2 adopts technology for making tobacco threds of the present invention to carry out silk cocoon throwing according to following concrete steps:
(1) reel off raw silk from cocoons: silk is separated through separating thread degreaser spray in the silk cocoon limit, and the limit processes through the spinning machine of metal cylinder drum-type structure that degreasing silk gum still adheres to the sheet silk on the silk;
(2) soak: take out the silk gum of degreasing that step (1) makes and still adhere to the sheet silk on the silk, place detergent liquid to soak 36 hours, still to adhere to sheet silk and the weight ratio of detergent liquid on the silk be 1:40 to degreasing silk gum; In the immersion process; Whenever stirred once at a distance from 3 hours, stir altogether 12 times, the sheet silk that lets degreasing silk gum still adhere on the silk fully soaks in detergent liquid; The silk gum that adheres on the silk is separated with silk, obtain soaked silk;
(3) clean: after the soaked silk of step (2) acquisition is cleaned with clear water, steeped 5 hours with clear water again, obtain the silk of degreasing;
(4) submissive: the silk of the degreasing that step (3) is obtained takes off dried, places submissive liquid to soak then 0.5 hour, and the weight ratio of the silk of degreasing and submissive liquid is 1:20, soak end after, obtain the silk after submissive;
(5) airing: with step (4) obtain submissive after silk take off dried, airing, promptly obtain the silk for preparing.
Wherein, it is following to separate the preparation of a degreaser, detergent liquid, submissive liquid:
(1) separate the preparation of a degreaser: with mass fraction is 96% caustic soda and the water ratio by weight 1:180,15 ℃ the aqueous solution that is prepared from normal temperatures;
(2) preparation of detergent liquid: with mass fraction is 27% hydrogen peroxide solution, sodium silicate solid, liquid detergent and water, by weight the ratio of 2:1:1:110, and 15 ℃ the aqueous solution that is prepared from normal temperatures;
(3) preparation of submissive liquid: with mass fraction 27% hydrogen peroxide solution, TF-404 softener and water ratio by weight 1:2:400,15 ℃ the aqueous solution that is prepared from normal temperatures.
Embodiment 3 adopts technology for making tobacco threds of the present invention to carry out silk cocoon throwing according to following concrete steps:
(1) reel off raw silk from cocoons: silk is separated through separating thread degreaser spray in the silk cocoon limit, and the limit processes through the spinning machine of metal cylinder drum-type structure that degreasing silk gum still adheres to the sheet silk on the silk;
(2) soak: take out the silk gum of degreasing that step (1) makes and still adhere to the sheet silk on the silk, place detergent liquid to soak 39 hours, still to adhere to sheet silk and the weight ratio of detergent liquid on the silk be 1:40 to degreasing silk gum; In the immersion process; Whenever stirred once at a distance from 3 hours, stir altogether 13 times, the sheet silk that lets degreasing silk gum still adhere on the silk fully soaks in detergent liquid; The silk gum that adheres on the silk is separated with silk, obtain soaked silk;
(3) clean: after the soaked silk of step (2) acquisition is cleaned with clear water, steeped 6 hours with clear water again, obtain the silk of degreasing;
(4) submissive: the silk of the degreasing that step (3) is obtained takes off dried, places submissive liquid to soak then 0.8 hour, and the weight ratio of the silk of degreasing and submissive liquid is 1:20, soak end after, obtain the silk after submissive;
(5) airing: with step (4) obtain submissive after silk take off dried, airing, promptly obtain the silk for preparing.
Wherein, it is following to separate the preparation of a degreaser, detergent liquid, submissive liquid:
(1) separate the preparation of a degreaser: with mass fraction is 94% caustic soda and the water ratio by weight 1:350,25 ℃ the aqueous solution that is prepared from normal temperatures;
(2) preparation of detergent liquid: with mass fraction is 25% hydrogen peroxide solution, sodium silicate solid, liquid detergent and water, by weight the ratio of 2:1:1:210, and 25 ℃ the aqueous solution that is prepared from normal temperatures;
(3) preparation of submissive liquid: with mass fraction 25% hydrogen peroxide solution, TF-404 softener and water ratio by weight 1:2:400,25 ℃ the aqueous solution that is prepared from normal temperatures.
Embodiment 4 adopts technology for making tobacco threds of the present invention to carry out silk cocoon throwing according to following concrete steps:
(1) reel off raw silk from cocoons: silk is separated through separating thread degreaser spray in the silk cocoon limit, and the limit processes through the spinning machine of metal cylinder drum-type structure that degreasing silk gum still adheres to the sheet silk on the silk;
(2) soak: take out the silk gum of degreasing that step (1) makes and still adhere to the sheet silk on the silk, place detergent liquid to soak 36 hours, still to adhere to sheet silk and the weight ratio of detergent liquid on the silk be 1:40 to degreasing silk gum; In the immersion process; Whenever stirred once at a distance from 3 hours, stir altogether 12 times, the sheet silk that lets degreasing silk gum still adhere on the silk fully soaks in detergent liquid; The silk gum that adheres on the silk is separated with silk, obtain soaked silk;
(3) clean: after the soaked silk of step (2) acquisition is cleaned with clear water, steeped 4 hours with clear water again, obtain the silk of degreasing;
(4) submissive: the silk of the degreasing that step (3) is obtained takes off dried, places submissive liquid to soak then 1 hour, and the weight ratio of the silk of degreasing and submissive liquid is 1:20, soak end after, obtain the silk after submissive;
(5) airing: with step (4) obtain submissive after silk take off dried, airing, promptly obtain the silk for preparing.
Wherein, it is following to separate the preparation of a degreaser, detergent liquid, submissive liquid:
(1) separate the preparation of a degreaser: with mass fraction is 98% caustic soda and the water ratio by weight 1:400,30 ℃ the aqueous solution that is prepared from normal temperatures;
(2) preparation of detergent liquid: with mass fraction is 32% hydrogen peroxide solution, sodium silicate solid, liquid detergent and water, by weight the ratio of 2:1:1:400, and 30 ℃ the aqueous solution that is prepared from normal temperatures;
(3) preparation of submissive liquid: with mass fraction 32% hydrogen peroxide solution, TF-404 softener and water ratio by weight 1:2:400,30 ℃ the aqueous solution that is prepared from normal temperatures.
Claims (5)
1. technology for making tobacco threds is characterized in that: be through reeling off raw silk from cocoons---soak---cleans---submissive---airing technical process completion, its concrete processing step is following:
(1) reel off raw silk from cocoons: silk is separated through separating thread degreaser spray in the silk cocoon limit, and the limit processes through spinning machine that degreasing silk gum still adheres to the sheet silk on the silk;
(2) soak: the silk gum of degreasing that taking-up step (1) makes still adheres to the sheet silk on the silk; Place detergent liquid to soak 33-39 hour, still to adhere to sheet silk and the weight ratio of detergent liquid on the silk be 1:40 to degreasing silk gum, in the immersion process; Whenever stirred once at a distance from 3 hours; The sheet silk that lets degreasing silk gum still adhere on the silk fully soaks in detergent liquid, and the silk gum that adheres on the silk is separated with silk, obtains soaked silk;
(3) clean: after the soaked silk of step (2) acquisition is cleaned with clear water, steeped 3-6 hour with clear water again, obtain the silk of degreasing;
(4) submissive: the silk of the degreasing that step (3) is obtained takes off dried, places submissive liquid to soak then 0.5-1 hour, and the weight ratio of the silk of degreasing and submissive liquid is 1:20, soak end after, obtain the silk after submissive;
(5) airing: with step (4) obtain submissive after silk take off dried, airing, promptly obtain the silk for preparing.
2. technology for making tobacco threds according to claim 1 is characterized in that: the spinning machine in the said processing step (1) is the metal cylinder drum-type structure.
3. technology for making tobacco threds according to claim 1; It is characterized in that: the degreaser of separating in the said processing step (1) is to be caustic soda and the water of the 92-98% ratio by weight 1:90 ~ 1:400 with mass fraction, 1 ℃-30 ℃ the aqueous solution that is prepared from normal temperatures.
4. technology for making tobacco threds according to claim 1; It is characterized in that: the detergent liquid in the said processing step (2) is to be hydrogen peroxide solution, sodium silicate solid, liquid detergent and the water of 22-32% with mass fraction; By weight the ratio of 2:1:1:110 ~ 2:1:1:400,1 ℃-30 ℃ the aqueous solution that is prepared from normal temperatures.
5. technology for making tobacco threds according to claim 1; It is characterized in that: the submissive liquid in the said processing step (4) is to be hydrogen peroxide solution, TF-404 softener and the water of the 22-32% ratio by weight 1:2:400 with mass fraction, 1 ℃-30 ℃ the aqueous solution that is prepared from normal temperatures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110456322 CN102534818B (en) | 2011-12-31 | 2011-12-31 | Silk making technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110456322 CN102534818B (en) | 2011-12-31 | 2011-12-31 | Silk making technology |
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| Publication Number | Publication Date |
|---|---|
| CN102534818A true CN102534818A (en) | 2012-07-04 |
| CN102534818B CN102534818B (en) | 2013-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110456322 Active CN102534818B (en) | 2011-12-31 | 2011-12-31 | Silk making technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102534818B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105506961A (en) * | 2015-12-18 | 2016-04-20 | 张莘蔓 | Method for puffing refined silk |
| CN106835298A (en) * | 2017-02-20 | 2017-06-13 | 于银强 | Silk cocoon technology for making tobacco threds |
| CN110574981A (en) * | 2019-10-10 | 2019-12-17 | 湛江半岛丝绸制品有限公司 | silk liner, preparation process thereof and close-fitting thermal garment |
| CN113186635A (en) * | 2021-05-07 | 2021-07-30 | 广州番禺职业技术学院 | Preparation method of rabbit hair-like real silk fabric |
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|---|---|---|---|---|
| JPH05263306A (en) * | 1992-03-13 | 1993-10-12 | Kanebo Ltd | Improved silk fiber structure and its production |
| CN1475619A (en) * | 2003-07-16 | 2004-02-18 | 许景峰 | Industrial production of natural cocoon sheet and method of in situ processing natural cocoon silk quilt |
| CN1730731A (en) * | 2005-08-05 | 2006-02-08 | 于清春 | Pod discharging, bleaching process |
| CN1923090A (en) * | 2006-09-11 | 2007-03-07 | 潘新平 | Manufacturing method of washable mulberry silk quilt |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5263306B2 (en) * | 2011-01-11 | 2013-08-14 | 株式会社日立製作所 | Transmitting station and transmitting method |
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2011
- 2011-12-31 CN CN 201110456322 patent/CN102534818B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05263306A (en) * | 1992-03-13 | 1993-10-12 | Kanebo Ltd | Improved silk fiber structure and its production |
| CN1475619A (en) * | 2003-07-16 | 2004-02-18 | 许景峰 | Industrial production of natural cocoon sheet and method of in situ processing natural cocoon silk quilt |
| CN1730731A (en) * | 2005-08-05 | 2006-02-08 | 于清春 | Pod discharging, bleaching process |
| CN1923090A (en) * | 2006-09-11 | 2007-03-07 | 潘新平 | Manufacturing method of washable mulberry silk quilt |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105506961A (en) * | 2015-12-18 | 2016-04-20 | 张莘蔓 | Method for puffing refined silk |
| CN106835298A (en) * | 2017-02-20 | 2017-06-13 | 于银强 | Silk cocoon technology for making tobacco threds |
| CN110574981A (en) * | 2019-10-10 | 2019-12-17 | 湛江半岛丝绸制品有限公司 | silk liner, preparation process thereof and close-fitting thermal garment |
| CN113186635A (en) * | 2021-05-07 | 2021-07-30 | 广州番禺职业技术学院 | Preparation method of rabbit hair-like real silk fabric |
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| CN102534818B (en) | 2013-12-18 |
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Free format text: FORMER OWNER: XU YIZHONG Effective date: 20140804 Owner name: ZHANJIANG BANDAO SILK PRODUCTS CO., LTD. Free format text: FORMER OWNER: XU YIXU Effective date: 20140804 |
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Effective date of registration: 20140804 Address after: 524000, No. 7, Beiqiao Road, Chikan District, Guangdong, Zhanjiang Patentee after: Zhanjiang Peninsula Silk Product Co.,Ltd. Address before: 524000, No. 7, Beiqiao Road, Chikan District, Zhanjiang City, Guangdong province (Zhanjiang Peninsula Silk Product Co., Ltd.) Patentee before: Xu Yixu Patentee before: Xu Yizhong |
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Application publication date: 20120704 Assignee: Guangxi cocoon love Biotechnology Co.,Ltd. Assignor: Zhanjiang Peninsula Silk Product Co.,Ltd. Contract record no.: X2020980006729 Denomination of invention: Silk making process Granted publication date: 20131218 License type: Common License Record date: 20201012 |
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Effective date of registration: 20231007 Address after: Building 3, No. 23 Jinkang West Road, Mazhang District, Zhanjiang City, Guangdong Province, 524094 Patentee after: Guangdong Spring Silkworm Biotechnology Co.,Ltd. Address before: Room 2410, 24th Floor, Building A, Sunshine City Times Center, No.19 Tiqiang Road, Nanning Area, China (Guangxi) Free Trade Pilot Zone, Nanning City, Guangxi Zhuang Autonomous Region, 530201 Patentee before: Zhongyi Cold Water Silkworm Peptide (Guangxi) Technology Investment Co.,Ltd. |
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Effective date of registration: 20240401 Address after: Room 904, Unit 2, Building 25, Aohua Garden, No.103 Xiuxiang Avenue, Xingning District, Nanning City, Guangxi Zhuang Autonomous Region, 530010 Patentee after: Cold Water Silkworm Peptide Biotechnology (Guangxi) Co.,Ltd. Country or region after: China Address before: Building 3, No. 23 Jinkang West Road, Mazhang District, Zhanjiang City, Guangdong Province, 524094 Patentee before: Guangdong Spring Silkworm Biotechnology Co.,Ltd. Country or region before: China |
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