CN114631674A - Whole-chain multicolor processing production process of gold-chain jewelry - Google Patents
Whole-chain multicolor processing production process of gold-chain jewelry Download PDFInfo
- Publication number
- CN114631674A CN114631674A CN202011487438.9A CN202011487438A CN114631674A CN 114631674 A CN114631674 A CN 114631674A CN 202011487438 A CN202011487438 A CN 202011487438A CN 114631674 A CN114631674 A CN 114631674A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000009713 electroplating Methods 0.000 claims abstract description 102
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical group [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims abstract description 72
- 238000005498 polishing Methods 0.000 claims abstract description 36
- 238000000034 method Methods 0.000 claims abstract description 26
- 239000002994 raw material Substances 0.000 claims abstract description 19
- 238000005266 casting Methods 0.000 claims abstract description 15
- 238000000926 separation method Methods 0.000 claims abstract description 13
- 238000005562 fading Methods 0.000 claims abstract description 12
- 239000000126 substance Substances 0.000 claims abstract description 12
- 238000002791 soaking Methods 0.000 claims abstract description 10
- 238000005282 brightening Methods 0.000 claims abstract description 7
- 238000007747 plating Methods 0.000 claims abstract description 7
- 238000007689 inspection Methods 0.000 claims abstract description 5
- 239000000047 product Substances 0.000 claims description 43
- 229910052737 gold Inorganic materials 0.000 claims description 29
- 239000010931 gold Substances 0.000 claims description 29
- 239000003814 drug Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 12
- 239000011265 semifinished product Substances 0.000 claims description 12
- 238000005491 wire drawing Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 10
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 claims description 8
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 8
- 239000010410 layer Substances 0.000 claims description 6
- 238000003908 quality control method Methods 0.000 claims description 6
- 238000001228 spectrum Methods 0.000 claims description 6
- 231100000331 toxic Toxicity 0.000 claims description 6
- 230000002588 toxic effect Effects 0.000 claims description 6
- 229910052697 platinum Inorganic materials 0.000 claims description 4
- 239000002344 surface layer Substances 0.000 claims description 4
- 238000004876 x-ray fluorescence Methods 0.000 claims description 4
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 230000002087 whitening effect Effects 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 2
- 239000011241 protective layer Substances 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000009940 knitting Methods 0.000 abstract description 2
- 230000003796 beauty Effects 0.000 abstract 1
- 230000008569 process Effects 0.000 description 8
- 230000006872 improvement Effects 0.000 description 7
- 238000003466 welding Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000036541 health Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 238000004040 coloring Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- JUWSSMXCCAMYGX-UHFFFAOYSA-N gold platinum Chemical compound [Pt].[Au] JUWSSMXCCAMYGX-UHFFFAOYSA-N 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 239000010437 gem Substances 0.000 description 1
- 239000010977 jade Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C27/00—Making jewellery or other personal adornments
- A44C27/001—Materials for manufacturing jewellery
- A44C27/002—Metallic materials
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C27/00—Making jewellery or other personal adornments
- A44C27/001—Materials for manufacturing jewellery
- A44C27/005—Coating layers for jewellery
- A44C27/006—Metallic coatings
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/10—Electroplating with more than one layer of the same or of different metals
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
- C25D7/005—Jewels; Clockworks; Coins
Abstract
The invention discloses a gold chain jewelry whole chain multicolor processing production process, which comprises the process steps of raw material treatment, casting, wire making, chain knitting, chain carving, chain wrapping, chain carving and chain bonding, brightening, electroplating electric white, electroplating a protective layer, carving, electroplating electric black, natural soaking and fading, assembling, electroplating color separation treatment, QC inspection, multiple times of light plating and polishing and the like; the invention can make the appearance of the produced gold chain brighter and increase the beauty of the gold chain through a plurality of times of electroplating polishing and brightening processing, and simultaneously adopts the processing technology of physical electroplating protection to form a protective layer on the surface of the gold chain, thereby avoiding the loss of the gold chain caused by the processing of a chemical method and causing the difficult control of the actual weight of the gold chain.
Description
Technical Field
The invention relates to the technical field of gold chain jewelry production, in particular to a whole-chain multicolor processing production process of gold chain jewelry.
Background
The jewelry is made of various metal materials or gem and jade materials, is matched with clothes to play a role of decoration, and has higher value because most of the jewelry uses rare and precious metals and jewelry, while modern clothes are mainly woven, in addition, a plurality of low-value materials are used, and the existing jewelry mostly adopts gold chains;
the traditional gold chain production process is carried out by adopting a chemical reaction method in many steps, the chemical reaction method can cause loss to a gold chain, meanwhile, the traditional polishing and grinding method can also cause a large amount of loss to influence the quality of the gold chain, the gold powder which is lost in the later period is troublesome to treat, and meanwhile, the existing production process is simple in steps, rough in workmanship and capable of influencing the sale of the gold chain.
Disclosure of Invention
Aiming at the problems, the invention aims to provide a whole-chain multicolor processing production process of gold chain jewelry, which is different from the traditional whole-chain monochromatic processing process and the traditional welding multicolor processing process, the whole-chain multicolor processing production process of the gold chain jewelry can enable the appearance of the produced gold chain to be brighter and the attractiveness of the gold chain to be increased by multiple times of electroplating polishing and brightening processing, meanwhile, a processing process protected by physical electroplating is adopted to enable the surface of the gold chain to form a protective layer, so that the phenomenon that the gold chain is lost by processing by a chemical method and the actual weight of the gold chain is difficult to control is avoided, meanwhile, the processing process of the invention is simple to operate, the traditional polishing and chemical reaction processing methods are replaced by multiple times of electroplating processing, the loss waste caused by the multiple times of polishing and the chemical reaction processing methods is avoided or reduced, and the process is suitable for popularization.
In order to realize the purpose of the invention, the invention is realized by the following technical scheme: a whole-chain multicolor processing production process of gold-chain jewelry comprises the following steps:
step one, performing spectrum detection on a gold block raw material, casting the raw material with qualified color, performing wire drawing and wire making by using a wire drawing die after casting forming, then performing chaining processing on a qualified wire drawing finished product, and performing glazing on a plurality of chain bodies after chaining is completed;
step two, engraving chain processing is carried out on the semi-finished product after chain engraving and polishing, chain engraving and chain packaging processing, secondary polishing processing and brightening processing are carried out on the qualified product after chain engraving, and polishing is carried out again on the qualified product after secondary polishing;
step three, electroplating electro-whitening processing is carried out on the qualified product after the polishing in the step three, the qualified product after the electro-whitening processing flows into an electroplating protection processing procedure, a protection layer is formed on the surface layer of the gold chain by electroplating, and then chain carving and pattern carving processing are carried out on the qualified product after the electroplating protection processing;
step four, electroplating and electroblackening the qualified product subjected to chain carving and pattern carving, naturally soaking and fading the qualified product after electroplating and electroblackening, and enabling the qualified product subjected to natural soaking and fading to flow into the next processing procedure;
and step five, assembling the semi-finished products of the qualified products processed in the step four, electroplating the assembled semi-finished products again to realize electroplating color separation treatment, and then carrying out QC (quality control) inspection on the qualified products subjected to color separation treatment to obtain the qualified products which can be delivered.
The further improvement lies in that: the spectrum detection in the step one is to detect the gold content by using an X-ray fluorescence spectrometer, so that nondestructive detection can be realized, and the gold block raw materials in the step one comprise gold and platinum.
The further improvement is that: the temperature for casting and molding in the first step is 1770 ℃ and the time is 8 minutes.
The further improvement lies in that: the step one of plating and polishing and the step two of plating and polishing are to plate and polish the chain body, and the step two of polishing makes the surface of the gold chain brighter.
The further improvement is that: the electroplating time of the electroplating electro-whitening processing in the third step is 52 seconds, the electroplating temperature is controlled at 60 ℃, and the electroplating processing time is 28 seconds during the electroplating protection processing in the third step.
The further improvement lies in that: and in the electroplating electro-whitening processing in the third step and the electroplating electro-blackening processing in the fourth step, the surface of the whole gold chain needs to be completely electroplated without dead corners, and the electroplating time of the electroplating electro-blackening processing in the fourth step is 180 seconds.
The further improvement is that: the electroplating electro-whitening processing in the third step, the electroplating protection processing in the third step and the electroplating electro-blackening processing in the fourth step adopt the environment-friendly liquid medicine which does not contain cyanogen and toxic and harmful substances
The further improvement lies in that: in the fifth step, the electroplating color separation treatment needs to be carried out after the layering sequence is determined, meanwhile, the electroplating layers at other parts cannot be damaged during electroplating, and in the fifth step, the integrity of the electroplating color separation treatment part needs to be inspected emphatically during QC inspection.
The invention has the beneficial effects that: the invention can make the appearance of the produced gold chain more bright and increase the beautiful appearance of the gold chain by a plurality of times of electroplating polishing and brightening processing, and simultaneously adopts the processing technology of physical electroplating protection to form a protective layer on the surface of the gold chain, thereby avoiding the loss of the gold chain caused by the processing of a chemical method and causing the difficulty in controlling the actual weight of the gold chain.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a process flow diagram of example 1 of the present invention.
FIG. 2 is a process flow diagram of example 2 of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
According to the figure 1, the embodiment provides a whole-chain multicolor processing production process of gold jewelry, which comprises the following steps:
the method comprises the following steps of firstly, taking gold and platinum gold block raw materials, carrying out spectrum detection by using an X-ray fluorescence spectrometer, carrying out nondestructive detection on the gold content in the raw materials, casting the raw materials with qualified color, wherein the casting forming temperature is 1770 ℃, the casting forming time is 8 minutes, the gold block raw materials are melted more cleanly, no impurities or air holes are formed in the surfaces of the gold block raw materials, carrying out wire drawing and wire making by using a wire drawing die after the casting forming, then carrying out chaining processing on qualified wire drawing finished products, and carrying out light plating and polishing on a multi-chain body after the chaining is finished, wherein the raw materials are selected from gold and platinum, and other gold types;
step two, engraving chain processing is carried out on the semi-finished product after chain knitting is subjected to polishing, and the qualified product after chain engraving is subjected to polishing processing and then is subjected to polishing again, wherein the polishing processing can enable the surface of the gold chain to be brighter, the chain body to be easier to color, and the chain body is also the first step of keeping the chain body for a long time without oxidation and color fading;
step three, electroplating and whitening processing are carried out on the surface of the qualified product after being polished in the step three, no dead angle is left, the electroplating time is 52 seconds, the electroplating temperature is controlled at 60 ℃, the qualified product after being electroplated and whitened flows into an electroplating protection processing procedure, the electroplating processing time is 28 seconds, no harmful substance is generated due to low temperature, the time is shorter, energy is saved, a protective layer is formed on the surface layer of a gold chain by electroplating, then chain carving processing is carried out on the qualified product after being electroplated and protected, the adopted electroplating liquid medicine is environment-friendly liquid medicine which does not contain cyanogen and toxic and harmful substances, no harm is generated to human bodies after being electroplated, and the health standard is met;
step four, electroplating electroblackening processing is carried out on the surface of the qualified product after chain carving processing, the electroplating time is 180 seconds, natural soaking and fading are carried out on the surface of the qualified product after electroplating electroblackening processing, no dead angle is left, the qualified product after natural soaking and fading flows into the next processing procedure, the electroplating mode is more advanced, electroplating coloring is more uniform, the phenomena that welding spots and a chain body are left and are not firm as the existing blocking electroplating and then are connected through a spot welding technology are avoided, the adopted electroplating liquid medicine is cyanogen-free and does not contain toxic and harmful substances, the wearing of the electroplating liquid medicine to a human body is not harmful, and the electroplating liquid medicine accords with the health standard;
and step five, assembling the semi-finished products of the qualified products processed in the step four, electroplating the assembled semi-finished products again, realizing electroplating color separation treatment, wherein the electroplating color separation treatment needs to determine the layering sequence firstly and then electroplates, and simultaneously ensures that electroplating layers at other parts cannot be damaged during electroplating.
Example 2
According to the illustration in fig. 2, the embodiment provides a whole-chain multicolor processing production process of gold jewelry, which comprises the following steps:
the method comprises the following steps of firstly, taking gold and platinum gold block raw materials, carrying out spectrum detection by using an X-ray fluorescence spectrometer, carrying out nondestructive detection on the gold content in the raw materials, casting the raw materials with qualified color, wherein the casting forming temperature is 1770 ℃, the casting forming time is 8 minutes, the gold block raw materials are melted more cleanly, no impurities or air holes are formed in the surfaces of the gold block raw materials, carrying out wire drawing and wire making by using a wire drawing die after the casting forming, then carrying out chaining processing on qualified wire drawing finished products, and carrying out light plating and polishing on a multi-chain body after the chaining is finished, wherein the raw materials are selected from gold and platinum, and other gold types;
step two, engraving chain processing is carried out on the semi-finished product after chain engraving and polishing, chain engraving and chain packaging processing, secondary polishing and polishing processing are carried out on the qualified product after chain engraving, and polishing are carried out on the qualified product after secondary polishing and polishing, wherein the polishing processing can enable the surface of the gold chain to be brighter, the chain body to be easier to color and the chain body to be kept for a longer time without oxidation and color fading;
step three, electroplating and whitening processing are carried out on the surface of the qualified product after being polished in the step three, no dead angle is left, the electroplating time is 52 seconds, the electroplating temperature is controlled at 60 ℃, the qualified product after being electroplated and whitened flows into an electroplating protection processing procedure, the electroplating processing time is 28 seconds, no harmful substance is generated due to low temperature, the time is shorter, energy is saved, a protective layer is formed on the surface layer of a gold chain by electroplating, then chain carving processing is carried out on the qualified product after being electroplated and protected, the adopted electroplating liquid medicine is environment-friendly liquid medicine which does not contain cyanogen and toxic and harmful substances, no harm is generated to human bodies after being electroplated, and the health standard is met;
step four, electroplating electroblackening processing is carried out on the surface of the qualified product after chain carving processing, the electroplating time is 180 seconds, natural soaking and fading are carried out on the surface of the qualified product after electroplating electroblackening processing, no dead angle is left, the qualified product after natural soaking and fading flows into the next processing procedure, the electroplating mode is more advanced, electroplating coloring is more uniform, the phenomena that welding spots and a chain body are left and are not firm as the existing blocking electroplating and then are connected through a spot welding technology are avoided, the adopted electroplating liquid medicine is cyanogen-free and does not contain toxic and harmful substances, the wearing of the electroplating liquid medicine to a human body is not harmful, and the electroplating liquid medicine accords with the health standard;
and step five, assembling the semi-finished products of the qualified products processed in the step four, electroplating the assembled semi-finished products again, realizing electroplating color separation treatment, wherein the electroplating color separation treatment needs to determine the layering sequence firstly and then electroplates, and simultaneously ensures that electroplating layers at other parts cannot be damaged during electroplating.
The gold chain jewelry whole chain multicolor processing production process can enable the appearance of the produced gold chain to be brighter and increase the attractiveness of the gold chain by multiple times of electroplating polishing and brightening processing, and simultaneously adopts the processing process of physical electroplating protection to form a protective layer on the surface of the gold chain, so that the phenomenon that the actual weight of the gold chain is difficult to control due to loss of the gold chain caused by processing by a chemical method is avoided.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A whole-chain multicolor processing production process of gold jewelry is characterized by comprising the following steps:
step one, performing spectrum detection on a gold block raw material, casting the raw material with qualified color, performing wire drawing and wire making by using a wire drawing die after casting forming, then performing chaining processing on a qualified wire drawing finished product, and performing glazing on a plurality of chain bodies after chaining is completed;
step two, engraving chain processing is carried out on the semi-finished product after chain engraving and polishing, chain engraving and chain packaging processing, secondary polishing processing and brightening processing are carried out on the qualified product after chain engraving, and polishing is carried out again on the qualified product after secondary polishing;
step three, electroplating and whitening the qualified product after being polished in the step three, enabling the qualified product after being electroplated and whitened to flow into an electroplating protection processing procedure, forming a protection layer on the surface layer of the gold chain by electroplating, and then performing chain carving and pattern carving on the qualified product after being electroplated and protected;
step four, electroplating and electroblackening the qualified product subjected to chain carving and pattern carving, naturally soaking and fading the qualified product after electroplating and electroblackening, and enabling the qualified product subjected to natural soaking and fading to flow into the next processing procedure;
and step five, assembling the semi-finished products of the qualified products processed in the step four, electroplating the assembled semi-finished products again to realize electroplating color separation treatment, and then carrying out QC (quality control) inspection on the qualified products subjected to color separation treatment to obtain the qualified products which can be delivered.
2. The whole-chain multicolor processing production process of gold jewelry according to claim 1, which is characterized in that: the spectrum detection in the step one is to detect the gold content by using an X-ray fluorescence spectrometer, so that nondestructive detection can be realized, and the gold block raw materials in the step one comprise gold and platinum.
3. The whole-chain multicolor processing production process of gold jewelry according to claim 1, which is characterized in that: the temperature for casting and molding in the first step is 1770 ℃ and the time is 8 minutes, and the chaining processing in the first step is carried out.
4. The whole-chain multicolor processing production process of gold jewelry according to claim 1, which is characterized in that: the step one of plating and polishing and the step two of plating and polishing are to plate and polish the chain body, and the step two of polishing makes the surface of the gold chain brighter.
5. The whole-chain multicolor processing production process of gold chain jewelry as claimed in claim 1, which is characterized in that: the electroplating time of the electroplating electro-whitening processing in the third step is 52 seconds, the electroplating temperature is controlled at 60 ℃, and the electroplating processing time is 28 seconds during the electroplating protection processing in the third step.
6. The whole-chain multicolor processing production process of gold jewelry according to claim 1, which is characterized in that: the electroplating electro-whitening processing in the third step and the electroplating electro-blackening processing and natural soaking fading processing in the fourth step need to completely electroplate the surface of the whole gold chain without dead corners, and the electroplating time of the electroplating electro-blackening processing in the fourth step is 180 seconds.
7. The whole-chain multicolor processing production process of gold jewelry according to claim 1, which is characterized in that: the electroplating electro-whitening processing in the third step, the electroplating protection processing in the third step and the electroplating electro-blackening processing in the fourth step adopt the environment-friendly liquid medicine which does not contain cyanogen and toxic and harmful substances.
8. The whole-chain multicolor processing production process of gold jewelry according to claim 1, which is characterized in that: in the fifth step, the electroplating color separation treatment needs to be carried out after the layering sequence is determined, meanwhile, the electroplating layers at other parts cannot be damaged during electroplating, and in the fifth step, the integrity of the electroplating color separation treatment part needs to be inspected emphatically during QC inspection.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011487438.9A CN114631674A (en) | 2020-12-16 | 2020-12-16 | Whole-chain multicolor processing production process of gold-chain jewelry |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011487438.9A CN114631674A (en) | 2020-12-16 | 2020-12-16 | Whole-chain multicolor processing production process of gold-chain jewelry |
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| CN114631674A true CN114631674A (en) | 2022-06-17 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020127128A1 (en) * | 2001-03-12 | 2002-09-12 | Gadi Har-Shai | Sintered jewelry and decorative articles |
| CN108272192A (en) * | 2018-02-07 | 2018-07-13 | 氢时代株式会社 | A kind of production method of the hard gold plating jewellery of nanometer |
| CN111719063A (en) * | 2019-03-18 | 2020-09-29 | 深圳市凯仕莱珠宝有限公司 | Production formula and process of 24K new pure gold |
| CN111979442A (en) * | 2019-05-24 | 2020-11-24 | 深圳市凯仕莱珠宝有限公司 | Production formula and production process of golden water wave tablet |
-
2020
- 2020-12-16 CN CN202011487438.9A patent/CN114631674A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020127128A1 (en) * | 2001-03-12 | 2002-09-12 | Gadi Har-Shai | Sintered jewelry and decorative articles |
| CN108272192A (en) * | 2018-02-07 | 2018-07-13 | 氢时代株式会社 | A kind of production method of the hard gold plating jewellery of nanometer |
| CN111719063A (en) * | 2019-03-18 | 2020-09-29 | 深圳市凯仕莱珠宝有限公司 | Production formula and process of 24K new pure gold |
| CN111979442A (en) * | 2019-05-24 | 2020-11-24 | 深圳市凯仕莱珠宝有限公司 | Production formula and production process of golden water wave tablet |
Non-Patent Citations (1)
| Title |
|---|
| 史忠文等: "《首饰铸造与抛镀工艺"》", 28 February 2011, 上海交通大学出版社, pages: 77 * |
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