CN203766367U - Double-face embossment precious metal foil piece forming system - Google Patents
Double-face embossment precious metal foil piece forming system Download PDFInfo
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- CN203766367U CN203766367U CN201420149280.8U CN201420149280U CN203766367U CN 203766367 U CN203766367 U CN 203766367U CN 201420149280 U CN201420149280 U CN 201420149280U CN 203766367 U CN203766367 U CN 203766367U
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- 238000005520 cutting process Methods 0.000 claims abstract description 13
- 238000003490 calendering Methods 0.000 claims abstract description 10
- 229910000510 noble metal Inorganic materials 0.000 claims description 96
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- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a double-face embossment precious metal foil piece forming system which comprises a calendering device, a cutting device, an embossing device and a composite pressing device. The calendering device is used for calendering a precious metal blank to be a precious metal foil piece material in preset thickness, the cutting device is used for forming the precious metal foil piece to be a precious metal foil in preset shape and size, the embossing device is used for embossing an embossment pattern on a die on one side surface of the precious metal foil, the composite pressing device is used for enabling surfaces, without patterns embossed thereon, of two precious metal foils to be opposite to each other and pressing to form an integrated double-face embossment precious metal foil piece, and a bonding layer is arranged between the surfaces. Compared with the prior art, the double-face embossment precious metal foil piece forming system has the advantages that on the basis that biggest area is realized while minimum gram weight of the foil piece is met furthest, the double-face embossment precious metal foil piece can be obtained by applying the forming system, and high product yield can be realized due to high manufacturability.
Description
Technical field
The utility model relates to noble metal products processing and manufacturing technology, is specifically related to a kind of formation system of double-side relief noble metal paillon foil.
Background technology
Noble metal has very high value preserving characteristic, and enjoys favor with this, for example gold product.On market, many gold artifacts be take gold as carrier, by creative design and modern crafts, noble metal and culture are organically blended, and this product has distinct cultural feature, show higher design value, technique value and memorial value.According to product form, its main forms has: coin, chapter, bar, brick and gold foil etc.
As everyone knows, goldleaf is the thin slice that is extended and formed by gold, and its processing is to have more than 2,000 year historical extraordinary traditional handicraft.In prior art, the gold bar that is 99.99% gold content, through the special processing of tens procedures, just becomes as goldleaf, and one gram of true yellow gold can be made the proof gold paper tinsel into about 0.5 square metre, and true goldleaf is as light as a feather, soft like silks and satins, as thin as cicada's wings.
In order to obtain good ornamental value, on goldleaf product, load cultural intention, conventionally adopt imprint process to form embossing pattern on goldleaf surface, that is to say, by the concavo-convex variation formation space pattern on goldleaf surface.Yet, based on realizing the development trend of maximum area under the minimum grammes per square metre of gold paillon foil, be subject to the restriction of imprint process, can only form pattern in a side of goldleaf, to obtain reliable product yield; In existing product when design,, adopt mimeograph technique to form the required pattern film presenting on the opposite side surface at goldleaf, with make up cannot dual-side imprinting embossing pattern defect.
Obviously, although this processing mode can two-sidedly present pattern but still Shortcomings.Goldleaf surface coverage pattern film is by the color and luster advantage of direct losses gold itself, and in addition, mimeograph pattern film cannot compare favourably with three-dimensional embossing pattern on goldleaf body, further directly affects customer experience.In addition, the problems referred to above exist equally in other noble metal foil flake products processing.
In view of this, the technology that shapes urgently looking for another way for existing noble metal paillon foil is optimized, and meeting on the basis of the development trend that realizes maximum area under the minimum grammes per square metre of paillon foil, obtains double-side relief noble metal paillon foil.
Utility model content
For above-mentioned defect, the technical problem that the utility model solves is to provide a kind of formation system of double-side relief noble metal paillon foil, to meet to greatest extent the trend requirement that realizes maximum area under the minimum grammes per square metre of paillon foil.
The formation system of the double-side relief noble metal paillon foil that the utility model provides, comprises calender device, cutting means, imprinting apparatus and compound device for exerting; Wherein, described calender device is for forming the calendering of noble metal blank the noble metal foil sheet material of predetermined thickness; The noble metal foil that it is reservation shape, size by described noble metal foil sheet forming that described cutting means is used for; Described imprinting apparatus is for impressing the side surface in described noble metal foil by the embossing pattern on mould; Described compound device for exerting is used for the surface of the not imprinted pattern of two described noble metal foils is relative, and tack coat is set, the shape all-in-one-piece double-side relief noble metal paillon foil of exerting pressure between the two.
Preferably, also comprise and being arranged between described cutting means and described imprinting apparatus: annealing device, for described noble metal foil is carried out to annealing in process; Cleaning device, for cleaning described noble metal foil; Drying unit, for drying the described noble metal foil after cleaning.
Preferably, described imprinting apparatus is specially hydraulic press; Described mould comprises: for placing the counterdie of described noble metal foil to be imprinted; With with the suitable patrix of described counterdie, the lower surface of described patrix has the grain pattern that forms described embossing pattern.
Preferably, described counterdie has and the shape of described noble metal foil, the inside container cavity of size adaptation, described noble metal foil is built in to described inner container cavity, and the below of described noble metal foil arranges flexible gasket, described patrix applies pressure to the upper surface of described noble metal foil after being moved in described inner container cavity downwards.
Preferably, described calender device has two pressure rollers that are oppositely arranged, and the one or both in two described pressure rollers, can be with respect to the frame in radial relative displacement of described calender device, to regulate two radial spacings between described pressure roller.
Preferably, described pressure roller is by being arranged on the mother lead screw mechanism between described pressure roller and frame, with respect to described frame in radial relative displacement.
Preferably, the adjustable radial spacing between described pressure roller is 0.00061cm～2cm.
Preferably, described annealing device is heating blower.
Preferably, described cleaning device is specially nitrogen injection equipment and ultrasonic cleaning apparatus.
Preferably, also comprise vacuum plastic sealing device, for forming protective clear layer in described double-side relief noble metal paillon foil appearance.
The formation system of the double-side relief noble metal paillon foil that application the utility model provides, can be according to the product demand of minimum grammes per square metre area maximum, the noble metal of finished product grammes per square metre is shaped to the paillon foil material of two predetermined thickness, and carries the noble metal foil that is cut to reservation shape, size; Wherein, utilize imprinting apparatus one side impression formation embossing pattern respectively, thereby realize the grammes per square metre area maximum of every one side impression; Next, the surface of the not imprinted pattern of two noble metal foils is relative, and tack coat is set between the two, utilize the compound device for exerting shape all-in-one-piece double-side relief noble metal paillon foil of exerting pressure, obtain thus the double-side relief noble metal paillon foil of finished product grammes per square metre.Compared with prior art, the utility model reasonable in design, operability is higher; Can meet the trend requirement of minimum grammes per square metre area maximum on the one hand, process and product yield are stable; Meanwhile, the noble metal paillon foil of applying this technique acquisition can be take noble metal as base material forms double-side relief in both side surface, fully demonstrates the color and luster advantage of noble metal itself, has preferably customer experience.
In preferred version of the present utility model, between cutting means and imprinting apparatus, have additional annealing device, can improve plasticity and the toughness of noble metal foil, to avoid subsequent handling to occur deformation, affect product quality; In addition, the setting of cleaning device and drying unit can be removed the impurity that may be attached to noble metal paillon foil surface completely, for obtaining better product quality, provides reliable guarantee.
In another preferred version of the present utility model, counterdie has and the shape of noble metal foil, the inside container cavity of size adaptation, noble metal foil is built in to inner container cavity, and the below of noble metal foil arranges flexible gasket, patrix applies pressure to the upper surface of noble metal foil after being moved in inner container cavity downwards.In moulding process, the flexible gasket of noble metal foil below can reduce the part intensity of exerting pressure, and from avoiding relevant position pressurized damaged, can further improve product yield.
The formation system of the double-side relief paillon foil that the utility model provides, is applicable to any noble metal paillon foil processing, is specially adapted to the processing of gold foil flake products.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of double-side relief noble metal paillon foil formation system described in the specific embodiment;
Fig. 2 is each layer of position relationship schematic diagram of gold paillon foil described in the specific embodiment;
Fig. 3 is the process flow diagram of formation system described in the application specific embodiment;
Fig. 4 shows described in the specific embodiment matching relationship schematic diagram between upper and lower mould;
Fig. 5 shows the schematic diagram of calender device described in a kind of embodiment;
The double-side relief gold paillon foil front view that Fig. 6 obtains for formation system described in the application specific embodiment;
Fig. 7 is the side view of the paillon foil of double-side relief gold shown in Fig. 6.
In figure:
Calender device 10, pressure roller 11, frame 12, runner 13, driving gear 14, driven gear 15, cutting means 20, imprinting apparatus 30, counterdie 31, inner container cavity 311, patrix 32, compound device for exerting 40;
Gold foil 1, tack coat 2, plastic sheet 3.
The specific embodiment
Forming technique based on existing noble metal paillon foil surface relief pattern, the utility model looks for another way and has carried out system improvement design, to meet to greatest extent the trend requirement that realizes maximum area under the minimum grammes per square metre of paillon foil.Below in conjunction with Figure of description, illustrate present embodiment.
Without loss of generality, the gold that the gold content of usining is below 99.99%, as noble metal base material is elaborated as preferred embodiment, should be appreciated that the selection of substrate material does not form the restriction to double-side relief noble metal paillon foil forming technology described in the utility model.Refer to Fig. 1, the figure shows the overall structure schematic diagram of the formation system of double-side relief noble metal paillon foil described in present embodiment.
The formation system of this double-side relief noble metal paillon foil mainly comprises calender device 10, cutting means 20, imprinting apparatus 30 and compound device for exerting 40, along the technological process of production, set gradually said apparatus, obviously, between said apparatus, relative position relation can be arranged according to actual needs, repeats no more herein.
Wherein, the gold that gold content is 99.99% can adopt vacuum casting to obtain, and gold material dissolves through high temperature in by electric arc furnaces, is then poured in resistant to elevated temperatures casting mold, then makes blank through crystallisation by cooling, annealing; Thus, can eliminate metallic crystal volume expansion and pollution that its raw material causes oxygen uptake, cast out the former golden blank of high-quality.Through cleaning, enter after the assay was approved calendering technique processed.Utilize calender device 10 blank calendering can be formed to the noble metal foil sheet material (in figure, double dot dash line bar is illustrated) of predetermined thickness;
Here, the calendering of predetermined thickness gold foil sheet material is specially bed thickness gradually and rolls,, set up as required the relative distance between upper and lower milling roller, repeatedly roll that to reach predetermined thickness be 0.00064cm, after having rolled, reduce gradually the relative distance between upper and lower milling roller, bed thickness rolls gradually at every turn.Like this, can avoid rolling rear distortion, guarantee gold foil sheet thickness uniformity.
The gold that is 99.99% for gold content, the thickness of this many paillon foils of Huang material can reach 0.00061cm～0.00064cm.Certainly, rolled the restriction of rolling size, can after gold sheet reaches certain size, tentatively be cut, remake further bed thickness gradually and roll, until reach predetermined thickness.
Wherein, utilize cutting means 20 can be by noble metal foil sheet forming the noble metal foil for reservation shape, size; For example, can punching press cut apart the rectangle paillon foil that forms long 13cm, wide 6.2cm, monolithic grammes per square metre approaches 1 gram.Certainly, also can cut apart and form 8*8cm according to actual product design, 10.9*10.9cm, 4.5*1.5cm, the rectangle of 2.75*2.75cm, also can be for circular or other are irregularly shaped.Should be appreciated that it specifically cuts the restriction that shape is not subject to rectangle in figure.
Wherein, utilize imprinting apparatus 30 that the embossing pattern on mould is impressed to the side surface in described noble metal foil; This impression operation preferred oil press carries out, and the mould of the pattern that meets the requirements is arranged on hydraulic press, by hydraulic press, can print off copying pattern in the surface pressure of gold paillon foil.Certainly, and operating mode that embossing pattern relatively shallow less for paillon foil size, also can adopt manual pressure instrument to enter coining manipulation.
In order intactly embossing pattern to be presented in to the surface of gold foil, obtain best visual effect, the pressure of exerting pressure can be 3700kg/cm
2～4100kg/cm
2, specifically can exert pressure twice, the upper die and lower die in course of exerting pressure are all heated to 60 ℃～80 ℃, and the gold plasticity of synchronously heating in moulding process effectively promotes, and the retention time of exerting pressure is 2s～4s.What thus, can further improve embossing pattern copies impression effect.
Wherein, utilize compound device for exerting 40 that the surface of the not imprinted pattern of two described noble metal foils is relative, and tack coat is set between the two, the shape all-in-one-piece double-side relief noble metal paillon foil of exerting pressure.Can the surface of the not imprinted pattern of two gold foils 1 is relative, as shown in Figure 2, the pattern of the gold foil 1 above being positioned at is as seen with the signal of solid line bar, and the pattern of the gold foil 1 below being positioned at is invisible to be illustrated with dashed bars.And tack coat 2 is set, the shape all-in-one-piece double-side relief noble metal paillon foil of exerting pressure between the two.This tack coat be take PETG (be called for short PET) for base material and in the coated on both sides PUR formation of described base material, like this, the thickness of tack coat can be as thin as 0.00010cm～0.00015cm, to reduce to greatest extent the impact on product thickness, like this, the gold consumption 2g of take is example, and the average thickness of compound rear double-side relief gold paillon foil can be controlled at 0.00132cm～0.00143cm.Especially, whether the check gold consumption gross weight that needs to weigh after selected two gold foils 1 is 2g.
It should be noted that, in figure, on two gold foils 1, pattern is incomplete same, should be appreciated that relevant indicators is only signal, and the embossing pattern of actual product is selected to design according to actual needs, and obviously, two-sided patterned design can be identical, also can be different.
Further, between cutting means 20 and imprinting apparatus 30, heat treatment, cleaning and drying unit (not shown) can also be set.Wherein, utilize annealing device that noble metal foil is carried out to annealing in process, gold paillon foil slowly can be heated to 500 ℃-600 ℃ particularly, retention time length 10s-15s, then cooling with Reasonable Speed.Object is to make to soften through the gold of calendering, improves plasticity and toughness, makes chemical composition homogenising, removes residual stress, obtains the physical property of expection; To avoid subsequent handling to occur deformation, affect product quality.Preferably, annealing device can adopt heating blower.
Wherein, utilize cleaning device to remove surface impurity, first, can adopt nitrogen injection equipment, remove the granule foreigns such as dust, then adopt ultrasonic cleaning apparatus fully to clean.
Wherein, after utilizing drying unit finally to dry the paillon foil having cleaned, can play loss and carry out quality inspection.Certified products balance enters impression operation.
Please also refer to Fig. 3, the processing step of the preferred formation system of brief description application of aforementioned:
A1. the calendering of noble metal blank is formed to the noble metal foil sheet material of predetermined thickness;
A2. noble metal foil sheet forming steps A 1 being obtained is the noble metal foil of reservation shape, size;
A3. noble metal foil steps A 2 being obtained carries out annealing in process;
A4. clean, dried the noble metal foil of annealing, to be imprinted;
A5. noble metal foil to be imprinted is placed in to counterdie; According to required pattern, select patrix, the upper surface of noble metal foil of applying pressure to forms described embossing pattern;
A6. the surface of the not imprinted pattern of two described noble metal foils is relative, and tack coat is set, the shape all-in-one-piece double-side relief noble metal paillon foil of exerting pressure between the two.
In addition, application of aforementioned imprinting apparatus 30 can be placed in counterdie by gold foil to be imprinted; According to required pattern, select patrix, the upper surface of gold foil of applying pressure to forms corresponding three-dimensional embossing pattern; Here, the patrix that directly forms space pattern can steel be raw material, through high frequency heat, forges and makes mould base, and essence cutting is made mould pattern by high-precision nanometer light carving, and pattern lines tempering is processed and formed.Make the gold foil 1 that the one side shown in Fig. 2 has embossing pattern.
Here, can do further to optimize to impressing mould, counterdie 31 has and the shape of gold foil, the inside container cavity 311 of size adaptation, while proceeding to impression operation, first flexible gasket and gold foil are built in this inside container cavity, then, operation patrix 32 applies pressure to the upper surface of gold foil after being moved in inner container cavity 311 downwards.Please also refer to Fig. 4, the figure shows described in present embodiment matching relationship schematic diagram between upper and lower mould.In addition, flexible gasket can also be set below gold foil before exerting pressure, to reduce the part intensity of exerting pressure, from avoiding relevant position pressurized damaged.Particularly, can select the materials such as papery sheet material or flexible heat-resisting glued membrane, as long as meet the heat-resisting function needs of gold foil pressurized breakage of avoiding, all can.
Be understandable that, bed thickness gradually based on calender device 10 rolls function needs, in two pressure rollers that are oppositely arranged 11 of this calender device 10, pressure roller 11 above can be with respect to the radially relative displacement of frame 12 of calender device 10, to regulate two radial spacing L between pressure roller 11, and then realize satisfied bed thickness gradually and roll.Please also refer to Fig. 5, this illustrates a kind of embodiment schematic diagram of calender device.
Top pressure roller 11 is by being arranged on the mother lead screw mechanism (omitting not shown in figure) between pressure roller 11 and frame 12, that is to say, by rotating drive power, be converted into the straight-line displacement of pressure roller, with with respect to radially relative displacement of frame 12, according to bed thickness gradually, roll the radial spacing L regulating between two pressure rollers 11.Here, the adjustable radial spacing L between pressure roller is 0.00061cm～2cm.Shown in figure, by runner 13, manually apply driving force with vernier control, can certainly adopt motor automatically to control.Runner 13 coaxially arranges a driving gear 14, two driven gears 15 of synchronous drive and its engagement, and then drive respectively Liang Ge mother lead screw mechanism by two driven gears 15, realize top pressure roller 11 both side ends synchronous shift.
Further, compound device for exerting 40 is being exerted pressure in compound and can heated.The pressure of preferably, exerting pressure is 5kg/cm
2～10kg/cm
2, the temperature of heating is 45 ℃～60 ℃, to obtain good bond effect.
In addition; for the ease of taking this double-side relief gold paillon foil, can also increase vacuum plastic sealing device (not shown), for forming protective clear layer in double-side relief noble metal paillon foil appearance; being convenient to take on the basis of gold paillon foil, do not affect the visual effect of gold self color and luster.Preferably, this protective clear layer can adopt plastic sheet, and the neighboring of plastic sheet is along stretching out in double-side relief gold paillon foil, vacuumizes rear sealing.
The rectangle gold foil 1 of long 13cm, wide 6.2cm of take is example, and the appearance and size of plastic sheet 3 can be the rectangle of long 13.4cm, wide 6.6cm.Specifically please also refer to Fig. 6 and Fig. 7, wherein, Fig. 6 is the double-side relief gold paillon foil front view that above-mentioned technique obtains, Fig. 7 is the side view of the paillon foil of double-side relief gold shown in Fig. 6, in figure, tack coat 2 is between two gold foils 1, certainly, vacuumize after sealing, (shown in figure for vacuumizing the state before sealing) will be close to and be closed to two plastic sheets 3 of periphery.
It should be noted that; protective clear layer is not limited to employing plastic sheet, also can adopt other transparent materials such as glass or safety glass, comparatively speaking; adopt plastic sheet process costs lower, and its flexibility can reduce the impact of protective layer on user's direct feel to greatest extent.
Here, imprint process operation must be carried out in dust-free workshop, to obtain preferably product quality.Wherein, operating procedure and points for attention are simply described as follows:
(1) facility environment cleaning maintenance puts in place, and equipment operation is normal, is to produce the preliminary condition ensureing.
(2) check that manufacturing process determination document supplemental characteristic clearly understands product requirement and quality.
(3) preparing product mold checks product original text and prevents that mould from taking by mistake and press wrong product by mistake.
(4) prepare and check all frock clamps of producing this product and arrange and put in place.
(5) start to load adjustment counterdie leveling, complete school mould.
(6) according to operation part after the pressure of the good equipment of operation pressure value adjustment, clean out.
(7) examination is prepared to sample by prior notice quality inspection portion, and confirmation is good batch production after confirming.
(8) start to load gold plaque pressure testing, note the dustproof and fingerprint secondary pollution of gold plaque while loading gold plaque, by plastic sheet, press from both sides instrument, Jia Yijiao picks up gently and puts into mould circle, and gold plaque moves middle attention and do not fall; Note being placed in the equilibrium degree in mould circle.
Special instruction, it is the processing of 99.99% gold paillon foil that the forming technology of above-mentioned double-side relief noble metal paillon foil is not limited to gold content, the double-side relief that also goes for other noble metal paillon foils such as karat gold, fine silver is shaped.
The above is only preferred embodiment of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. a formation system for double-side relief noble metal paillon foil, is characterized in that, comprising:
Calender device, for forming the calendering of noble metal blank the noble metal foil sheet material of predetermined thickness;
Cutting means, for the noble metal foil that is reservation shape, size by described noble metal foil sheet forming;
Imprinting apparatus, for impressing the embossing pattern on mould the side surface in described noble metal foil; With
Compound device for exerting, for the surface of the not imprinted pattern of two described noble metal foils is relative, and arranges tack coat between the two, the shape all-in-one-piece double-side relief noble metal paillon foil of exerting pressure.
2. the formation system of double-side relief noble metal paillon foil according to claim 1, is characterized in that, also comprises and being arranged between described cutting means and described imprinting apparatus:
Annealing device, for carrying out annealing in process by described noble metal foil;
Cleaning device, for cleaning described noble metal foil; With
Drying unit, for drying the described noble metal foil after cleaning.
3. the formation system of double-side relief noble metal paillon foil according to claim 1 and 2, is characterized in that, described imprinting apparatus is specially hydraulic press; Described mould comprises:
For placing the counterdie of described noble metal foil to be imprinted; With
With the suitable patrix of described counterdie, the lower surface of described patrix has the grain pattern that forms described embossing pattern.
4. the formation system of double-side relief noble metal paillon foil according to claim 3, it is characterized in that, described counterdie has and the shape of described noble metal foil, the inside container cavity of size adaptation, described noble metal foil is built in to described inner container cavity, and the below of described noble metal foil arranges flexible gasket, described patrix applies pressure to the upper surface of described noble metal foil after being moved in described inner container cavity downwards.
5. the formation system of double-side relief noble metal paillon foil according to claim 4, it is characterized in that, described calender device has two pressure rollers that are oppositely arranged, and the one or both in two described pressure rollers, can be with respect to the frame in radial relative displacement of described calender device, to regulate two radial spacings between described pressure roller.
6. the formation system of double-side relief noble metal paillon foil according to claim 5, is characterized in that, described pressure roller is by being arranged on the mother lead screw mechanism between described pressure roller and frame, with respect to described frame in radial relative displacement.
7. the formation system of double-side relief noble metal paillon foil according to claim 6, is characterized in that, the adjustable radial spacing between described pressure roller is 0.00061cm～2cm.
8. the formation system of double-side relief noble metal paillon foil according to claim 2, is characterized in that, described annealing device is heating blower.
9. the formation system of double-side relief noble metal paillon foil according to claim 8, is characterized in that, described cleaning device is specially nitrogen injection equipment and ultrasonic cleaning apparatus.
10. the formation system of double-side relief noble metal paillon foil according to claim 9, is characterized in that, also comprises vacuum plastic sealing device, for forming protective clear layer in described double-side relief noble metal paillon foil appearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420149280.8U CN203766367U (en) | 2014-03-28 | 2014-03-28 | Double-face embossment precious metal foil piece forming system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420149280.8U CN203766367U (en) | 2014-03-28 | 2014-03-28 | Double-face embossment precious metal foil piece forming system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203766367U true CN203766367U (en) | 2014-08-13 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106079966A (en) * | 2016-06-21 | 2016-11-09 | 深圳市百泰国礼投资有限公司 | A kind of memorial money and manufacture method |
| CN106515288A (en) * | 2015-09-09 | 2017-03-22 | 深圳市金宝盈文化股份有限公司 | Paper base and precious metal combined stamping process |
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2014
- 2014-03-28 CN CN201420149280.8U patent/CN203766367U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106515288A (en) * | 2015-09-09 | 2017-03-22 | 深圳市金宝盈文化股份有限公司 | Paper base and precious metal combined stamping process |
| CN106515288B (en) * | 2015-09-09 | 2019-03-26 | 深圳市金宝盈文化股份有限公司 | Paper base and the compound imprint process of noble metal |
| CN106079966A (en) * | 2016-06-21 | 2016-11-09 | 深圳市百泰国礼投资有限公司 | A kind of memorial money and manufacture method |
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