CN107713586A - A kind of noble metal Double-layer bowl and preparation method thereof - Google Patents
A kind of noble metal Double-layer bowl and preparation method thereof Download PDFInfo
- Publication number
- CN107713586A CN107713586A CN201711091369.8A CN201711091369A CN107713586A CN 107713586 A CN107713586 A CN 107713586A CN 201711091369 A CN201711091369 A CN 201711091369A CN 107713586 A CN107713586 A CN 107713586A
- Authority
- CN
- China
- Prior art keywords
- bowl
- flange
- face
- noble metal
- lower casing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910000510 noble metal Inorganic materials 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 238000004080 punching Methods 0.000 claims abstract description 13
- 239000011888 foil Substances 0.000 claims description 15
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 4
- 241000233855 Orchidaceae Species 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000005476 soldering Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 20
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 6
- 229910052737 gold Inorganic materials 0.000 description 6
- 239000010931 gold Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 239000004332 silver Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 229910052762 osmium Inorganic materials 0.000 description 1
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G19/00—Table service
- A47G19/02—Plates, dishes or the like
Landscapes
- Laminated Bodies (AREA)
Abstract
The present invention relates to a kind of noble metal Double-layer bowl and preparation method thereof.Double-layer bowl includes hemisphere shell sape bowl face and hemisphere shell sape bottom of bowl, bowl face and bottom of bowl are made by noble metal, bowl face is provided with the punching press patterned layer of bowl face central protuberance, bottom of bowl is provided with the punching press patterned layer backwards to bottom of bowl central protuberance, the curvature of bowl face is more than the curvature of bottom of bowl, and the outward flange of bowl face and bottom of bowl is equipped with flange；Bowl face is superimposed on bottom of bowl, and the flange of bowl face, which is fixed, to be fitted on the flange of bottom of bowl.The present invention is using bowl face, the double-decker of bottom of bowl, fixation is bonded to each other by flange between bottom of bowl, bowl face, bowl face, bottom of bowl curvature are different to leave gap between the two, can make the patterned layer of projection in bowl face, bottom of bowl respectively, it will not have an impact between each other, both overall appearance effect had been improved, the intensity of bowl has been enhanced again, without increasing sheet thickness, grammes per square metre is not too large, make product more attractive while improve the quality of product, cost will not be too high, is advantageous to marketing.
Description
Technical field
The present invention relates to noble metal handicraft, more particularly to a kind of noble metal Double-layer bowl and preparation method thereof.
Background technology
Noble metal means gold, silver, platinum family (platinum, osmium, iridium, ruthenium, rhodium, palladium) element, and your gold for circulating on the market more
Category is Jin Heyin.Noble metal is more used to manufacture collectibles, jewellery etc..Now with the continuous progress of technology, noble metal
Thickness the more can do the more thin, can so reduce grammes per square metre, reduce purchase cost.Noble metal bowl is wherein the one of noble metal handicraft
Kind.In the prior art, noble metal bowl is generally made up of gold or silver, a typically Rotating fields, generally use engraving or color printing
Mode forms pattern on its surface.The pattern of stereoeffect is realized according to the mode of reverse mould, floral designs embossment is not fine enough,
Need subsequently to hold mould by hand, processing efficiency is not high.And if it is intended to the two sides projection that single layer structure is done, then need thicker piece
Material, and pattern position and embossment height, by section line Curvature Effect, the section line of bowl is steeper, and manufacture difficulty is higher.
The content of the invention
The defects of it is an object of the invention to overcome prior art, and a kind of noble metal Double-layer bowl and its making side are provided
Method, it just can be realized two-sided formation raised design without thick sheet.
To achieve the above object, the present invention uses following technical scheme：
A kind of noble metal Double-layer bowl, it includes hemisphere shell sape bowl face and hemisphere shell sape bottom of bowl, and bowl face and bottom of bowl are by your gold
Category is made, and bowl face is provided with the punching press patterned layer of bowl face central protuberance, and bottom of bowl is provided with the punching press backwards to bottom of bowl central protuberance
Patterned layer, the curvature of bowl face are more than the curvature of bottom of bowl, and the outward flange of bowl face and bottom of bowl is equipped with flange；Bowl face be superimposed on bottom of bowl it
On, the flange of bowl face, which is fixed, to be fitted on the flange of bottom of bowl.
Further, noble metal Double-layer bowl also includes acrylic shell, and shell includes the bowl-shape upper casing being mutually permanently connected
With bowl-shape lower casing, bowl face and bottom of bowl are located in the space that upper casing encloses with lower casing；Upper casing is located on bowl face, and lower casing is located at bowl
Under bottom.
Further, the outward flange of upper casing and lower casing is equipped with flange, and the flange of lower casing is provided with annular protrusion, and upper casing is set
There is the annular groove of corresponding annular protrusion；The flange of upper casing is bonded to each other fixation, and annular protrusion insertion annular with lower casing flange
In groove, the flange of bowl face and bottom of bowl is clamped between upper casing flange and lower casing flange.
Further, cushion rubber, and the flange of lower casing and the flange of bottom of bowl are accompanied between the flange of upper casing and the flange of bowl face
Between also accompany cushion rubber.
Further, the bottom of bottom of bowl is provided with ring foot.
The invention also discloses the preparation method of noble metal Double-layer bowl, and it comprises the following steps：
Noble metal raw material are rolled into thickness 0.035mm-0.04mm paillon foil by step (1), then according to being sized
Cut into circle；
The circular paillon foil cut out is carried out stretching and punching press pattern by step (2), makes bowl face and bottom of bowl with flange；
Between the flange of the flange of bowl face and bottom of bowl is heated to 200 degrees Celsius to 400 degrees Celsius by step (3) respectively, so
Bottom of bowl is put into afterwards and clapped in the mould of side, then overlays bowl face on bottom of bowl, the flange of flange and bottom of bowl to bowl face applies
55 tons to 65 tons of pressure so that bowl face flange is realized with bottom of bowl flange is bonded fixation；
Step (4), the bowl face bottom of bowl to fit together is put into the lower casing of acrylic shell, is then placed in outside acrylic
The upper casing of shell, upper casing is compressed with lower casing and is bonded.
Further, in step (2), the circular paillon foil cut out is subjected to four stretchings, stretching depth gradually increases；
Oil pressure in hydraulic press is put into after four stretchings and goes out pattern, makes bowl face；Stretched, placed into twice again after four stretchings
Oil pressure goes out pattern in hydraulic press, makes bottom of bowl.
Further, in step (2), the ring foot for forming bottom of bowl is processed in stretching twice and oil pressure step after.
Further, in step (4), ultrasonic bonding can be used by the method for the flange of the upper casing of acrylic shell and lower casing
Blue soldering is fixed.
Compared with the prior art, the invention has the advantages that：
The present invention is bonded to each other fixation using bowl face, the double-decker of bottom of bowl between bottom of bowl, bowl face by flange, bowl face,
Bottom of bowl curvature is different to leave gap between the two, can make the patterned layer of projection in bowl face, bottom of bowl respectively, between each other not
It can have an impact, both improve overall appearance effect, enhance the intensity of bowl again, at the same it is high in machining efficiency, without increasing sheet material
Thickness, grammes per square metre is not too large, makes product more attractive while improves the quality of product, cost will not be too high, is advantageous to market and pushes away
Extensively.
Brief description of the drawings
Fig. 1 is Double-layer bowl exploded view of the present invention.
Fig. 2 is Double-layer bowl sectional arrangement drawing of the present invention.
Fig. 3 is that bowl face of the present invention makes workpiece schematic diagram.
Fig. 4 is that bottom of bowl of the present invention makes workpiece schematic diagram.
Embodiment
In order to more fully understand the technology contents of the present invention, technical scheme is made with reference to specific embodiment
It is further described and illustrates.
The Double-layer bowl concrete structure of the embodiment of the present invention is as shown in Figure 1, 2.
As shown in Figure 1, 2, Double-layer bowl includes hemisphere shell sape bowl face 10 and hemisphere shell sape bottom of bowl 20.Bowl face 10 and bottom of bowl 20 are equal
It is made up of noble metal, material is preferable using gold or silver.Bowl face 10 is provided with the punching press patterned layer 11 of the central protuberance of bowl face 10, and
Bottom of bowl 20 is provided with the punching press patterned layer 21 backwards to the central protuberance of bottom of bowl 20.The outward flange of bowl face 10 is equipped with flange 12, bottom of bowl 20
Outward flange be provided with flange 22.Bowl face 10 is superimposed on bottom of bowl 20, and the flange 12 of bowl face 10 fixes the method for fitting in bottom of bowl 20
On orchid 22.The curvature of bowl face 10 is more than the curvature of bottom of bowl 20, thus both stack and occur gap between the two afterwards.In addition, bowl
The bottom at bottom 20 is provided with ring foot 23.
As shown in Fig. 2 Double-layer bowl also includes an acrylic shell, shell includes the bowl-shape upper casing 30 being mutually permanently connected
With bowl-shape lower casing 40.Bowl face 10 and bottom of bowl 20 are located in the space that upper casing 30 encloses with lower casing 40.Upper casing 30 is located at bowl face 10
On, lower casing 40 is located under bottom of bowl 20.
As shown in Fig. 2 the outward flange of upper casing 30 is equipped with flange 31, the outward flange of lower casing 40 is provided with flange 41, lower casing 40
Flange 41 is provided with annular protrusion 42, and upper casing 30 is provided with the annular groove 32 of corresponding annular protrusion 42.The flange 31 of upper casing 30 with
The flange 41 of lower casing 40 is bonded to each other fixation, and annular protrusion 42 is inserted in annular groove 32, the flange 12 and bottom of bowl 20 of bowl face 10
Flange 22 be clamped between the flange 31 of upper casing 30 and the flange 41 of lower casing 40.In addition, the flange 31 of upper casing 30 and the method for bowl face 10
The cushion rubber 41 to shield is accompanied between orchid 12, and guarantor has also been accompanied between the flange 41 of lower casing 40 and the flange 22 of bottom of bowl 20
The cushion rubber 52 of shield effect.
The preparation method of Double-layer bowl comprises the following steps：
(1) noble metal raw material are rolled into thickness 0.035mm-0.04mm paillon foil, then according to being sized cutting
Into circle；
(2) the circular paillon foil cut out is subjected to stretching and punching press pattern, makes bowl face and bottom of bowl with flange；
(3) between the flange of the flange of bowl face and bottom of bowl being heated into 200 degrees Celsius to 400 degrees Celsius respectively, then will
Bottom of bowl, which is put into, claps in the mould of side, then overlays bowl face on bottom of bowl, and the flange of flange and bottom of bowl to bowl face applies 55 tons
To 65 tons of pressure so that bowl face flange is realized with bottom of bowl flange is bonded fixation；
Step (4), the bowl face bottom of bowl to fit together is put into the lower casing of acrylic shell, is then placed in outside acrylic
The upper casing of shell, upper casing is compressed with lower casing and is bonded.
In step (1), first carrying out repeatedly rolling to noble metal raw material (gold or silver) using milling train makes its thinning, successively
Carry out roughing, in roll and finish rolling, need to carry out stress relief annealing process every time between rolling.It is rolled into thickness 0.035mm-0.04mm
Paillon foil after, paillon foil is cut into circle according to the size set, circular paillon foil is to make bowl face and bottom of bowl to wait to draw
Stretch workpiece.The paillon foil for making bowl face is identical with the diameter for the paillon foil for making bottom of bowl.
Step (2) is the making step of bowl face and bottom of bowl.When making bowl face, the circular paillon foil that first cuts out step (1)
Four stretchings are carried out, stretching depth gradually increases.Stretch process schematic diagram when making bowl face as shown in figure 3, stretch for the first time
After obtain Fig. 3 workpiece P11, second stretch after obtain workpiece P12, third time obtains workpiece P13 after stretching, after the 4th stretching
Obtain workpiece P14.Workpiece P14 flange outward flange need to carry out deburring processing.Workpiece P14 is then put into oil pressure in hydraulic press
Go out pattern, make bowl face.The pattern of projection is carved with the cavity plate of hydraulic press, when workpiece P14 carries out oil pressure, cavity plate is by bowl face
Obtain the punching press patterned layer towards its central protuberance.When making bottom of bowl, the circular paillon foil for first cutting out step (1) is carried out six times
Stretching, stretching depth gradually increase.Stretch process schematic diagram when making bottom of bowl after stretching as shown in figure 4, obtain Fig. 4 for the first time
Workpiece P21, obtains workpiece P22 after second of stretching, third time obtains workpiece P23, workpiece is obtained after the 4th stretching after stretching
P24, workpiece P25 is obtained after the 5th stretching, workpiece P26 is obtained after the 6th stretching.Workpiece P24 and Fig. 3 workpiece P14 depth one
Cause, and the five, the six stretchings cause bottom of bowl finished product depth to be more than bowl face finished product depth.5th stretching and the 6th stretching can also
Go out ring foot simultaneously.Workpiece P26 is then put into oil pressure in hydraulic press and goes out pattern, makes bottom of bowl, i.e. workpiece P27.Workpiece P27's
Flange outward flange need to carry out deburring processing.Simultaneously can be by the complete punch forming of ring foot during workpiece P26 oil pressure.The punch-pin of hydraulic press
On be carved with the pattern of projection, when workpiece P26 carries out oil pressure, punch-pin is by the punching press obtained on bottom of bowl finished product backwards to its central protuberance
Patterned layer.
Step (3) purpose is to be fixed bowl face and bottom of bowl assembling by clapping side technique.First by the flange and bottom of bowl of bowl face
Flange be heated between 200 degrees Celsius to 400 degrees Celsius so that flange softens, then bottom of bowl is put into the bat side of stamping machine
In mould, then bowl face is overlayed on bottom of bowl, and allows both to align, the flange of flange and bottom of bowl to bowl face applies once
55 tons to 65 tons of pressure so that bowl face flange is realized with bottom of bowl flange is bonded fixation.Clap side fitting it is fixed after by bowl face and
Bottom of bowl, which is taken out, cools down pending next step processing.
Step (4) is casing step.First bowl face bottom of bowl is put into the lower casing of acrylic shell, is then placed in acrylic
The upper casing of shell, finally upper casing is compressed with lower casing and is bonded.Ultrasonic bonding is used in the present embodiment by the upper of acrylic shell
The flange soldering of the flange and lower casing of shell is fixed.It is this be welded as it is non-disconnectable be connected, and in other embodiments, can by hand will be upper
Shell compresses with lower casing to be engaged, and this mode accordingly, is provided with clamping to be detachably connected between upper casing flange and the flange of lower casing
Fixing mechanism.
The present invention is bonded to each other fixation using bowl face, the double-decker of bottom of bowl between bottom of bowl, bowl face by flange, bowl face,
Bottom of bowl curvature is different to leave gap between the two, can make the patterned layer of projection in bowl face, bottom of bowl respectively, between each other not
It can have an impact, both improve overall appearance effect, enhance the intensity of bowl again, make product more attractive while improve product
Quality, be advantageous to marketing.
The technology contents set forth above that the present invention is only further illustrated with embodiment, in order to which reader is easier to understand,
But embodiments of the present invention are not represented and are only limitted to this, any technology done according to the present invention extends or recreation, is sent out by this
Bright protection.
Claims (10)
- A kind of 1. noble metal Double-layer bowl, it is characterised in that it includes hemisphere shell sape bowl face and hemisphere shell sape bottom of bowl, the bowl face and Bottom of bowl is made by noble metal, and the bowl face is provided with the punching press patterned layer of bowl face central protuberance, and the bottom of bowl is provided with the back of the body Punching press patterned layer to bottom of bowl central protuberance, the curvature of the bowl face are more than the curvature of bottom of bowl, the outside of the bowl face and bottom of bowl Edge is equipped with flange；The bowl face is superimposed on bottom of bowl, and the flange of the bowl face, which is fixed, to be fitted on the flange of bottom of bowl.
- 2. noble metal Double-layer bowl as claimed in claim 1, it is characterised in that it also includes acrylic shell, the shell bag The bowl-shape upper casing being mutually permanently connected and bowl-shape lower casing are included, the bowl face and bottom of bowl are located at the space that upper casing encloses with lower casing It is interior；The upper casing is located on bowl face, and the lower casing is located under bottom of bowl.
- 3. noble metal Double-layer bowl as claimed in claim 2, it is characterised in that the outward flange of the upper casing and lower casing is equipped with method Orchid, the flange of the lower casing are provided with annular protrusion, and the upper casing is provided with the annular groove of corresponding annular protrusion；The upper casing Flange is bonded to each other fixation with lower casing flange, and in annular protrusion insertion annular groove, the flange of the bowl face and bottom of bowl clamps Between upper casing flange and lower casing flange.
- 4. noble metal Double-layer bowl as claimed in claim 3, it is characterised in that between the flange of the upper casing and the flange of bowl face Cushion rubber is accompanied, and cushion rubber is also accompanied between the flange of lower casing and the flange of bottom of bowl.
- 5. noble metal Double-layer bowl as claimed in claim 1, it is characterised in that the bottom of the bottom of bowl is provided with ring foot.
- 6. the preparation method of noble metal Double-layer bowl as claimed in claim 1, it is characterised in that it comprises the following steps：(1) noble metal raw material are rolled into thickness 0.035mm-0.04mm paillon foil, then according to being sized cutting into circle Shape；(2) the circular paillon foil cut out is subjected to stretching and punching press pattern, makes bowl face and bottom of bowl with flange；(3) between the flange of the flange of bowl face and bottom of bowl being heated into 200 degrees Celsius to 400 degrees Celsius respectively, then by bottom of bowl It is put into and claps in the mould of side, then overlay bowl face on bottom of bowl, the flange of flange and bottom of bowl to bowl face applies 55 tons to 65 The pressure of ton so that bowl face flange is realized with bottom of bowl flange is bonded fixation.
- 7. preparation method as claimed in claim 6, it is characterised in that also include after step (3)：Step (4), the bowl face bottom of bowl to fit together is put into the lower casing of acrylic shell, is then placed in acrylic shell Upper casing, upper casing is compressed with lower casing and is bonded.
- 8. preparation method as claimed in claim 6, it is characterised in that in step (2), the circular paillon foil cut out is carried out Four stretchings, stretching depth gradually increase；Oil pressure in hydraulic press is put into after four stretchings and goes out pattern, makes bowl face；Four drawings Stretched twice again after stretching, place into oil pressure in hydraulic press and go out pattern, make bottom of bowl.
- 9. preparation method as claimed in claim 8, it is characterised in that in step (2), stretching twice and oil pressure step after Processing forms the ring foot of bottom of bowl in rapid.
- 10. preparation method as claimed in claim 7, it is characterised in that in step (4), ultrasonic bonding can be used by sub- gram The flange soldering of the flange and lower casing of the upper casing of power shell is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711091369.8A CN107713586A (en) | 2017-11-08 | 2017-11-08 | A kind of noble metal Double-layer bowl and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711091369.8A CN107713586A (en) | 2017-11-08 | 2017-11-08 | A kind of noble metal Double-layer bowl and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107713586A true CN107713586A (en) | 2018-02-23 |
Family
ID=61223034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711091369.8A Pending CN107713586A (en) | 2017-11-08 | 2017-11-08 | A kind of noble metal Double-layer bowl and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107713586A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2173552Y (en) * | 1993-11-26 | 1994-08-10 | 林忠生 | Heat isolation metal bowl |
| CN1097294A (en) * | 1993-12-28 | 1995-01-18 | 林忠生 | Heat insulating metal bowl and manufacturing process thereof |
| CN102294930A (en) * | 2011-07-26 | 2011-12-28 | 深圳市金宝盈珠宝首饰有限公司 | Manufacturing method of embossed metal craft |
| CN102873157A (en) * | 2012-10-26 | 2013-01-16 | 苏州银艺文化发展有限公司 | Fabrication method of precious metal bowl |
| CN202669359U (en) * | 2012-07-10 | 2013-01-16 | 江苏金一文化发展有限公司 | Nine-dragon silver bowl |
| CN208988360U (en) * | 2017-11-08 | 2019-06-18 | 深圳市金宝盈文化股份有限公司 | A kind of noble metal Double-layer bowl |
-
2017
- 2017-11-08 CN CN201711091369.8A patent/CN107713586A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2173552Y (en) * | 1993-11-26 | 1994-08-10 | 林忠生 | Heat isolation metal bowl |
| CN1097294A (en) * | 1993-12-28 | 1995-01-18 | 林忠生 | Heat insulating metal bowl and manufacturing process thereof |
| CN102294930A (en) * | 2011-07-26 | 2011-12-28 | 深圳市金宝盈珠宝首饰有限公司 | Manufacturing method of embossed metal craft |
| CN202669359U (en) * | 2012-07-10 | 2013-01-16 | 江苏金一文化发展有限公司 | Nine-dragon silver bowl |
| CN102873157A (en) * | 2012-10-26 | 2013-01-16 | 苏州银艺文化发展有限公司 | Fabrication method of precious metal bowl |
| CN208988360U (en) * | 2017-11-08 | 2019-06-18 | 深圳市金宝盈文化股份有限公司 | A kind of noble metal Double-layer bowl |
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Application publication date: 20180223 |
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