CN108788169A - A kind of device and method of the high-volume low cost production small ball of noble metal standard - Google Patents
A kind of device and method of the high-volume low cost production small ball of noble metal standard Download PDFInfo
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- CN108788169A CN108788169A CN201810747789.5A CN201810747789A CN108788169A CN 108788169 A CN108788169 A CN 108788169A CN 201810747789 A CN201810747789 A CN 201810747789A CN 108788169 A CN108788169 A CN 108788169A
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- noble metal
- ball
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- carbon dust
- line segment
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- 229910000510 noble metal Inorganic materials 0.000 title claims abstract description 79
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims description 19
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims abstract description 51
- 229910052737 gold Inorganic materials 0.000 claims abstract description 51
- 239000010931 gold Substances 0.000 claims abstract description 51
- 239000010970 precious metal Substances 0.000 claims abstract description 13
- 238000000926 separation method Methods 0.000 claims abstract description 13
- 238000004364 calculation method Methods 0.000 claims abstract description 11
- 238000007493 shaping process Methods 0.000 claims abstract description 10
- 238000005498 polishing Methods 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 238000000465 moulding Methods 0.000 claims abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 30
- 229910052799 carbon Inorganic materials 0.000 claims description 26
- 239000000428 dust Substances 0.000 claims description 26
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 18
- 239000010410 layer Substances 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 229910052697 platinum Inorganic materials 0.000 claims description 9
- 229910003460 diamond Inorganic materials 0.000 claims description 6
- 239000010432 diamond Substances 0.000 claims description 6
- 239000002365 multiple layer Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 238000003723 Smelting Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000004927 clay Substances 0.000 claims description 3
- 238000010790 dilution Methods 0.000 claims description 3
- 239000012895 dilution Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 238000003912 environmental pollution Methods 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 230000003993 interaction Effects 0.000 claims description 3
- 238000002372 labelling Methods 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000001556 precipitation Methods 0.000 claims description 3
- 238000010257 thawing Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/06—Metallic powder characterised by the shape of the particles
- B22F1/065—Spherical particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F2009/065—Melting inside a liquid, e.g. making spherical balls
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- Adornments (AREA)
Abstract
The invention discloses the devices that a kind of high-volume low cost produces the small ball of noble metal standard, including several melt gold vessel ware and filter；Molten gold vessel ware includes body, and body upper port is equipped with support end face, and support end face outer edge is equipped with side elevation；Body side wall is equipped with stomata；Filter is in barrel-shaped, and filter wall and bottom are equipped with filter hole.Its production method is：(1) based on a kind of related data for calculating and requiring to calculate corresponding grammes per square metre product；(2) precious metal wire that calculation result data makes accurate line footpath is pressed；(3) normal line bits are precisely cut by calculation result data；(4) mass is positioned over special molten device as required；(5) molding is melted in heating；(6) refrigerated separation；(7) polishing of noble metal ball and micro-shaping；(8) noble metal ball finely screens.Single noble metal investment savings class product weight in kind can be reduced to the sections 0.001g-0.5g by the present invention, and form mass and standardized commodity.
Description
Technical field
The present invention relates to the small ball producing device of noble metal and the production of method more particularly to a kind of high-volume low cost are expensive
The device and method of the small ball of metal master.
Background technology
The noble metal products such as gold, platinum, the silver of small grammes per square metre for 0.001-0.5g weight section, in existing life
It is difficult to the accurate of size and weight, the processing costs mistake such as spent manpower, material, time in production technology manufacturing process
Height, and the low production efficiency of conventional production equipment and technique, it is of high cost；Meanwhile product appearance brightness, flatness be not good enough, product
Matter is not good enough.Therefore, it researches and develops a kind of by new device and method, energy low cost high-volume manufacture 0.001-0.5g weight section
Small grammes per square metre noble metal investment savings class product, becomes those skilled in the art's agricultural technology problem urgently to be resolved hurrily.
Invention content
The present invention is to provide a kind of high-volume low cost using surface tension of liquid principle to solve above-mentioned deficiency
Produce the device and method of the small ball of noble metal standard.
The above-mentioned purpose of the present invention is realized by technical solution below：A kind of high-volume low cost production noble metal mark
The device of accurate small ball, it is characterised in that：Gold vessel ware and filter are melted including several；The molten gold vessel ware includes body,
Body upper port is equipped with the support end face that gold vessel ware is melted for placing support upper layer, and support end face outer edge is equipped with side elevation；Institute
It states body side wall and is equipped with stomata；The filter is in barrel-shaped, and filter wall and bottom are equipped with filter hole.
The method for producing the small ball of noble metal standard by the device, includes the following steps：
(1) based on a kind of data for the relevant criterion line bits for calculating and requiring to calculate corresponding grammes per square metre product：With your required gold
The weight of the small ball of category standard extrapolates ball corresponding volume, then extrapolates the circle that Correspondent cy linder body line is considered to be worth doing with volume data and cut
Face diameter and pillar height, cylinder pillar height should be controlled with circle section diameter ratio 1: 1 to 1: 1.5, and example produces 0.005g gold balls
Pearl, then the line footpath of corresponding cylinder line segment should be 0.61-0.705mm, cylinder line segment height corresponds to 0.91-0.705mm, this
Calculating requirement can ensure that precious metal wire bits are more likely formed standard ball pearl liquid particles after thawing；
(2) precious metal wire that calculation result data manufactures accurate line footpath is pressed：Using the diamond Precision wire eye in customization aperture
Strain plate produces the noble metal precision silk thread that precision reaches the correspondence standard line footpath of micron, spare；
(3) normal line bits are precisely cut by calculation result data：Result of calculation number is pressed using numerical control diamond wire saw machine
According to requiring corresponding cylinder precious metal wire segment length to cut normal line bits in batches on tangent line plate, cutting accuracy is micron list
Position, the noble metal cylinder line segment cut into are spare；
(4) mass is positioned in special molten gold vessel ware as required：It is made using the high temperature resistants hard material such as graphite, clay
Special molten gold vessel ware, molten gold vessel ware internal labeling have containing mark, and the fine carbon dust of about 1cm thickness, carbon dust are spread in molten gold vessel ware
Particle is smaller, and manufactured noble metal ball surface is more smooth, and the noble metal standard line segment of well cutting is laid in fine carbon dust
On, gap is more than or equal to 5 times of ball diameter between ensureing each line segment, and if sphere diameter is 1mm, then gap should be no less than between line segment
5mm forms first layer；Then use with first layer same procedure, continue to repave one layer；The molten gold vessel ware is at least one layer,
Place carbon dust and precious metal wire bits molten gold vessel ware can multiple-layer stacked to the accommodated maximum space size of high-temperature smelting pot, once may be used
Process ten thousand small balls of noble metal of 5-10；
(5) molding is melted in heating：Step (4) is completed to the molten gold vessel ware of the multiple-layer stacked of carbon dust and noble metal standard line segment
It is put into the molten golden stove of medium temperature/high-temperature box type open-type, is heated to the melting point values temperatures above of corresponding noble metal, makes noble metal line segment
It is melted into liquid, it can self-assembling formation liquid ball shape under surface tension of liquid effect and fine carbon dust repulsive interaction；
(6) refrigerated separation：By molten gold vessel ware after taking out cooling in high temperature furnace, refrigerated separation, is made by water into the water
Detached with by fine carbon dust, obtain the small ball of solid-state like noble metal, the carbon dust water of dissolved dilution after precipitation by carbon dust and
It can be recycled after water separation, reduce environmental pollution；
(7) polishing of noble metal ball and micro-shaping：Noble metal ball after separation is cleaned is put into dedicated polishing machine
It is polished shaping, makes ball shape closer to standard spherical shape, while ball surface being thrown into shiny surface, is improved beautiful
Degree；
(8) noble metal ball finely screens：By polish shaping after the small ball of noble metal by weight with sphere diameter numerical value model
It encloses standard fine grain and screens out the underproof ball of fraction.
The noble metal includes but not limited to gold or platinum.
This method overall flow only manufactures the small ball of noble metal of single material, can not mixture manufacturing unlike material
The small ball of noble metal.
Compared with the prior art, the present invention has the advantages of：It is small heavy that the sections 0.001g-0.5g are breached by technological innovation
The noble metal products of gauge lattice cannot extensive, standardization and low cost processing limitation, produce that minimum, aesthetics is good
, the noble metal of size and weight standard investment savings class product, form mass and standardized commodity, it is existing with existing market
There is noble metal products comparison to highlight two big innovation advantages：
(1) it is compared with noble metal (gold, platinum etc.) products in kind on existing market：The noble metal of prior art production
(gold, platinum etc.) products in kind, the especially noble metal products such as investment savings class material object gold, the minimum of market sale are in kind
It is unit that unit is not less than 1g substantially, and customer's single purchase expenditure is larger, and purchase threshold is excessively high, and 1g is hereinafter, especially
For the sections 0.001-0.5g products in kind by technology restriction, yield is few, and flow is complicated, and loss is big, and processing cost is excessively high, product premium
Excessively high, market is in space state, causes the consumption of noble metal (gold, platinum etc.) products in kind can not with investment savings market
For Pu Hui to general marketplace, noble metal (gold, platinum etc.) the small ball produced using the method for the present invention greatly reduces production
Cost improves prouctiveness, and external form is carefully and neatly done exquisite beautiful, and the purchase of noble metal material object is dispersed into more small unit,
The threshold that consumer buys investment is extremely low, convenient for daily scattered small amount accumulation purchase, considerably increases noble metal products in kind
The spatial content of popular consumption market.
(2) it is compared with noble metal (gold, platinum etc.) the book keeping operation class product on existing market：Book keeping operation class noble metal products
Trade unit is small, and threshold is relatively low, but customer is unable to visual contact and the noble metal merchandised every time of perception is in kind, can only accumulate compared with
Material object is just convertible into when large volume or weight, the experience perception in kind during outlay is weaker, and when not obtaining material object
Trust it is weaker, the small ball of noble metal produced using the method for the present invention, customer can feel in outlay each time
Know that experience is in kind and by the process more than few change, Product Experience and trust are good.
Description of the drawings
Fig. 1 is the structural schematic diagram that gold vessel ware is melted in the present invention.
Fig. 2 is the structural schematic diagram of filter in the present invention.
Specific implementation mode
The present invention is described in further detail with reference to embodiment.
As shown in Figure 1 and Figure 2, a kind of mass of the invention manufactures the device of the low small ball of processing cost noble metal, packet
Include several molten gold vessel wares 1 and filter 2；The molten gold vessel ware 1 includes body 1-1, and body 1-1 upper ports are equipped with for placing
Upper layer is supported to melt the support end face 1-2 of gold vessel ware 1, support end face 1-2 outer edges are equipped with side elevation 1-3；The body 1-1 side walls
Equipped with stomata 1-4；The filter 2 is in barrel-shaped, and 2 side wall of filter and bottom are equipped with filter hole 2-1.
The method for producing the small ball of noble metal standard by the device, includes the following steps：
(1) based on a kind of data for the relevant criterion line bits for calculating and requiring to calculate corresponding grammes per square metre product：With your required gold
The weight of the small ball of category standard extrapolates ball corresponding volume, then extrapolates the circle that Correspondent cy linder body line is considered to be worth doing with volume data and cut
Face diameter and pillar height, cylinder pillar height should be controlled with circle section diameter ratio 1: 1 to 1: 1.5, and example produces 0.005g gold balls
Pearl, then the line footpath of corresponding cylinder line segment should be 0.61-0.705mm, cylinder line segment height corresponds to 0.91-0.705mm, this
Calculating requirement can ensure that precious metal wire bits are more likely formed standard ball pearl liquid particles after thawing；
(2) precious metal wire that calculation result data manufactures accurate line footpath is pressed：Using the diamond Precision wire eye in customization aperture
Strain plate produces the noble metal precision silk thread that precision reaches the correspondence standard line footpath of micron, spare；
(3) normal line bits are precisely cut by calculation result data：Result of calculation number is pressed using numerical control diamond wire saw machine
According to requiring corresponding cylinder precious metal wire segment length to cut normal line bits in batches on tangent line plate, cutting accuracy is micron list
Position, the noble metal cylinder line segment cut into are spare；
(4) mass is positioned in special molten gold vessel ware as required：It is made using the high temperature resistants hard material such as graphite, clay
Special molten gold vessel ware, molten gold vessel ware internal labeling have containing mark, and the fine carbon dust of about 1cm thickness, carbon dust are spread in molten gold vessel ware
Particle is smaller, and manufactured noble metal ball surface is more smooth, and the noble metal standard line segment of well cutting is laid in fine carbon dust
On, gap is more than or equal to 5 times of ball diameter between ensureing each line segment, and if sphere diameter is 1mm, then gap should be no less than between line segment
5mm forms first layer；Then use with first layer same procedure, continue to repave one layer；The molten gold vessel ware is at least one layer,
Place carbon dust and precious metal wire bits molten gold vessel ware can multiple-layer stacked to the accommodated maximum space size of high-temperature smelting pot, once may be used
Process ten thousand small balls of noble metal of 5-10；
(5) molding is melted in heating：Step (4) is completed to the molten gold vessel ware of the multiple-layer stacked of carbon dust and noble metal standard line segment
It is put into the molten golden stove of medium temperature/high-temperature box type open-type, is heated to the melting point values temperatures above of corresponding noble metal, makes noble metal line segment
It is melted into liquid, it can self-assembling formation liquid ball shape under surface tension of liquid effect and fine carbon dust repulsive interaction；
(6) refrigerated separation：By molten gold vessel ware after taking out cooling in high temperature furnace, refrigerated separation, is made by water into the water
Detached with by fine carbon dust, obtain the small ball of solid-state like noble metal, the carbon dust water of dissolved dilution after precipitation by carbon dust and
It can be recycled after water separation, reduce environmental pollution；
(7) polishing of noble metal ball and micro-shaping：Noble metal ball after separation is cleaned is put into dedicated polishing machine
It is polished shaping, makes ball shape closer to standard spherical shape, while ball surface being thrown into shiny surface, is improved beautiful
Degree；
(8) noble metal ball finely screens：By polish shaping after the small ball of noble metal by weight with sphere diameter numerical value model
It encloses standard fine grain and screens out the underproof ball of fraction.
The noble metal includes but not limited to gold or platinum.
This method overall flow only manufactures the small ball of noble metal of single material, can not mixture manufacturing unlike material
The small ball of noble metal.
Example the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and embodiment content, it is relevant to be applied directly or indirectly in other
Technical field is included within the scope of the present invention.
Claims (3)
1. a kind of device of the high-volume low cost production small ball of noble metal standard, it is characterised in that：Including several molten gold
Vessel and filter；The molten gold vessel ware includes body, and body upper port is equipped with the branch that gold vessel ware is melted for placing support upper layer
End face is supportted, support end face outer edge is equipped with side elevation；The body side wall is equipped with stomata；The filter is in barrel-shaped, filtering
Device side wall and bottom are equipped with filter hole.
2. a kind of device of mass low cost production small ball of noble metal according to claim 1, it is characterised in that：
The method for producing the small ball of noble metal standard by the device, includes the following steps：
(1) based on a kind of data for the relevant criterion line bits for calculating and requiring to calculate corresponding grammes per square metre product：With required noble metal mark
The weight of accurate small ball extrapolates ball corresponding volume, then extrapolated with volume data Correspondent cy linder body line bits circle section it is straight
Diameter and pillar height, cylinder pillar height should be controlled with circle section diameter ratio 1: 1 to 1: 1.5, and example produces 0.005g gold balls, then
The line footpath of corresponding cylinder line segment should be 0.61-0.705mm, and cylinder line segment height corresponds to 0.91-0.705mm, this calculating
It is required that can ensure that precious metal wire bits are more likely formed standard ball pearl liquid particles after thawing；
(2) precious metal wire that calculation result data manufactures accurate line footpath is pressed：Using the diamond Precision wire eye bracing wire in customization aperture
Plate produces the noble metal precision silk thread that precision reaches the correspondence standard line footpath of micron, spare；
(3) normal line bits are precisely cut by calculation result data：It is wanted by calculation result data using numerical control diamond wire saw machine
Corresponding cylinder precious metal wire segment length is asked to cut normal line bits in batches on tangent line plate, cutting accuracy is units of micrometers, is cut
The noble metal cylinder line segment being cut into, it is spare；
(4) mass is positioned in special molten gold vessel ware as required：It is made using the high temperature resistants hard material such as graphite, clay special
Molten gold vessel ware, molten gold vessel ware internal labeling have containing mark, and the fine carbon dust of about 1cm thickness, carbon powder particle are spread in molten gold vessel ware
Smaller, manufactured noble metal ball surface is more smooth, and the noble metal standard line segment of well cutting is laid on fine carbon dust, protects
Gap is more than or equal to 5 times of ball diameter between hindering each line segment, and if sphere diameter is 1mm, then gap should be no less than 5mm between line segment,
Form first layer；Then use with first layer same procedure, continue to repave one layer；The molten gold vessel ware is at least one layer, places
Good carbon dust and precious metal wire bits molten gold vessel ware can multiple-layer stacked to the accommodated maximum space size of high-temperature smelting pot, can once process
Ten thousand small balls of noble metal of 5-10；
(5) molding is melted in heating：The molten gold vessel ware that step (4) is completed to the multiple-layer stacked of carbon dust and noble metal standard line segment is put into
In the molten golden stove of medium temperature/high-temperature box type open-type, it is heated to the melting point values temperatures above of corresponding noble metal, noble metal line segment is made to melt
It, can self-assembling formation liquid ball shape under surface tension of liquid effect and fine carbon dust repulsive interaction at liquid；
(6) refrigerated separation：By molten gold vessel ware after taking-up cools down in high temperature furnace, refrigerated separation, is acted on by water and being incited somebody to action into the water
Fine carbon dust separation, obtains the small ball of solid-state like noble metal, and the carbon dust water of dissolved dilution is after precipitation by carbon dust and moisture
It can be recycled from after, reduce environmental pollution；
(7) polishing of noble metal ball and micro-shaping：Noble metal ball after separation is cleaned, which is put into dedicated polishing machine, to carry out
Shaping is polished, makes ball shape closer to standard spherical shape, while ball surface being thrown into shiny surface, improves aesthetics；
(8) noble metal ball finely screens：By polish shaping after the small ball of noble metal by weight with sphere diameter numberical range mark
Quasi- fine sieve removes the underproof ball of fraction.
3. a kind of method of high-volume low cost production small ball of noble metal standard according to claim 1 or 2, special
Sign is：The noble metal includes but not limited to gold or platinum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810747789.5A CN108788169A (en) | 2018-07-02 | 2018-07-02 | A kind of device and method of the high-volume low cost production small ball of noble metal standard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810747789.5A CN108788169A (en) | 2018-07-02 | 2018-07-02 | A kind of device and method of the high-volume low cost production small ball of noble metal standard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108788169A true CN108788169A (en) | 2018-11-13 |
Family
ID=64074613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810747789.5A Pending CN108788169A (en) | 2018-07-02 | 2018-07-02 | A kind of device and method of the high-volume low cost production small ball of noble metal standard |
Country Status (1)
| Country | Link |
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| CN (1) | CN108788169A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH108113A (en) * | 1996-06-21 | 1998-01-13 | Sumitomo Metal Mining Co Ltd | Production of metallic ball |
| JP2007321179A (en) * | 2006-05-30 | 2007-12-13 | Katsuyoshi Kondo | Functional precious metal product and manufacturing method therefor |
| CN101475392A (en) * | 2009-01-21 | 2009-07-08 | 中国化工供销太原贵金属有限公司 | Method for manufacturing noble metal smelting vessel |
| CN104233039A (en) * | 2013-06-10 | 2014-12-24 | 苹果公司 | Method and apparatus for forming a gold metal matrix composite |
| CN209006685U (en) * | 2018-07-02 | 2019-06-21 | 王尚木 | A kind of device of the high-volume low cost production small ball of noble metal standard |
-
2018
- 2018-07-02 CN CN201810747789.5A patent/CN108788169A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH108113A (en) * | 1996-06-21 | 1998-01-13 | Sumitomo Metal Mining Co Ltd | Production of metallic ball |
| JP2007321179A (en) * | 2006-05-30 | 2007-12-13 | Katsuyoshi Kondo | Functional precious metal product and manufacturing method therefor |
| CN101475392A (en) * | 2009-01-21 | 2009-07-08 | 中国化工供销太原贵金属有限公司 | Method for manufacturing noble metal smelting vessel |
| CN104233039A (en) * | 2013-06-10 | 2014-12-24 | 苹果公司 | Method and apparatus for forming a gold metal matrix composite |
| CN209006685U (en) * | 2018-07-02 | 2019-06-21 | 王尚木 | A kind of device of the high-volume low cost production small ball of noble metal standard |
Non-Patent Citations (1)
| Title |
|---|
| 邹宁馨等: "现代首饰工艺与设计", 中国纺织出版社, pages: 58 - 59 * |
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Application publication date: 20181113 |