CN114888195A - Manufacturing method of pot with patterns on inner and outer surfaces and pot manufactured by using same - Google Patents
Manufacturing method of pot with patterns on inner and outer surfaces and pot manufactured by using same Download PDFInfo
- Publication number
- CN114888195A CN114888195A CN202210358743.0A CN202210358743A CN114888195A CN 114888195 A CN114888195 A CN 114888195A CN 202210358743 A CN202210358743 A CN 202210358743A CN 114888195 A CN114888195 A CN 114888195A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000003825 pressing Methods 0.000 claims abstract description 11
- 229910000838 Al alloy Inorganic materials 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 238000004049 embossing Methods 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 7
- 238000005488 sandblasting Methods 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 6
- 238000005121 nitriding Methods 0.000 claims description 4
- 238000005498 polishing Methods 0.000 claims description 4
- 238000009417 prefabrication Methods 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 238000009966 trimming Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 13
- 239000010985 leather Substances 0.000 description 13
- 238000010411 cooking Methods 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000003801 milling Methods 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009172 bursting Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/18—Making hollow objects characterised by the use of the objects vessels, e.g. tubs, vats, tanks, sinks, or the like
- B21D51/22—Making hollow objects characterised by the use of the objects vessels, e.g. tubs, vats, tanks, sinks, or the like pots, e.g. for cooking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
- B44B5/00—Machines or apparatus for embossing decorations or marks, e.g. embossing coins
- B44B5/0004—Machines or apparatus for embossing decorations or marks, e.g. embossing coins characterised by the movement of the embossing tool(s), or the movement of the work, during the embossing operation
- B44B5/0019—Rectilinearly moving embossing tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
- B44B5/00—Machines or apparatus for embossing decorations or marks, e.g. embossing coins
- B44B5/02—Dies; Accessories
Abstract
The invention provides a method for manufacturing a cookware with patterns on both the inner and outer surfaces, which can directly press the patterns on the inner and outer surfaces of a cookware blank to form a dermatoglyph effect. Firstly, preparing a pot blank, and then directly pressing patterns on the inner surface and the outer surface of the pot blank by using a forming die. In addition, the invention also provides a leather-grain pot which is prepared by the method and has patterns on the inner side and the outer side.
Description
Technical Field
The invention relates to a preparation method of a pot, in particular to a preparation method of a pot with patterns on the inner and outer surfaces, belonging to the technical field of cooking utensils.
Background
Along with the increasing living standard of people, the appearance requirement of a user on the cooking article is higher and higher, and the cooking article with the personalized decoration texture is favored by people.
The imitated leather pattern is currently and mostly used on the surface of injection molding products of high-grade automobiles or furniture (such as sofas and the like); there are also some techniques for making leather grain on the surface of steel product, the leather grain on the surface of steel product is usually formed by chemical corrosion of printed pattern or rolled by rolling mill with leather grain etched on the surface of upper press roll, but the above method is expensive.
Disclosure of Invention
In view of the above, the present invention provides a method for manufacturing a pan with patterns on both inner and outer surfaces, which can directly press the patterns on the inner and outer surfaces of the pan blank to form a dermatoglyph effect, and is low in manufacturing cost and suitable for mass production line production of dermatoglyphic pans.
The manufacturing method of the pot with the patterns on the inner and outer surfaces comprises the following specific steps:
step 1: preparation of Pot blank
Preparing the pot blank by using an aluminum alloy sheet as a raw material, and carrying out extrusion forming on the aluminum alloy sheet to form the pot blank;
step 2: embossing patterns on the inner and outer surfaces of the pot blank by using a forming die
The forming die presses the patterns on the outer circumferential surface of the pot blank through the female die with the patterns prefabricated on the inner profile surface, and presses the patterns on the inner circumferential surface of the pot blank through the male die with the patterns prefabricated on the outer profile surface.
As a preferred embodiment of the present invention: the depth value of the patterns on the male die in the forming die is 0.011-0.015 mm/1 degree of die drawing inclination.
As a preferred embodiment of the present invention: when the depth of the pot blank is less than 70mm, the depth value of the patterns on the female die is 0.007-0.011 mm/draft angle of 1 degree; when the depth of the pot blank is more than or equal to 70mm, the depth value of the patterns on the female die is 0.005-0.009 mm/draft angle of the die is 1 degree.
As a preferred embodiment of the present invention: the pattern on the inner molded surface of the female die is prefabricated and formed in the following mode:
firstly, taking the deepest pattern depth to be processed on a female die as the uniform initial pattern depth, and processing patterns with the consistent depth on the molded surface in the female die; and then trimming the patterns according to the required depth of each part, so that the pattern depth of different parts on the inner molded surface of the female die reaches the set depth requirement.
As a preferred embodiment of the present invention: and after the pattern depth of each part on the inner molded surface of the female die reaches a set requirement, sequentially polishing and sand blasting the inner molded surface of the female die.
As a preferred embodiment of the present invention: the prefabrication forming mode of the patterns on the outer molded surface of the male die is as follows:
firstly, processing patterns with consistent pattern depth on the outer molded surface of the male die by taking the deepest pattern depth to be processed on the male die as the uniform initial pattern depth; and then trimming the patterns according to the required depth of each part, so that the pattern depth of different parts on the outer molded surface of the male die reaches the set depth requirement.
As a preferred embodiment of the present invention: and after the pattern depth of each part on the male die outer profile reaches a set requirement, sequentially polishing, sandblasting and surface nitriding the male die outer profile.
As a preferred embodiment of the present invention: the male die and the female die are made of 1.2344 die steel materials.
In addition, the invention provides another manufacturing method of the pot with patterns on the inner and outer surfaces, which comprises the following steps:
step 1: adopt the aluminium alloy piece as pot body piece, utilize the knurling mould to suppress the decorative pattern at the internal and external surface of pot body piece:
the embossing mold includes: the end face of the mould is prefabricated with a plane mould A with patterns and the end face of the mould is prefabricated with a plane mould B with patterns; the flat template A is used for pressing patterns on the upper surface of the pot body sheet, and the flat template B is used for pressing patterns on the lower surface of the pot body sheet;
and 2, step: placing the pot body piece with patterns on the upper and lower surfaces in a pot body forming die, and forming the pot body by extruding the pot body piece; thereby forming the leather-grain pot with patterns on the inner and outer surfaces.
In addition, the invention provides a pot, which is a skin-textured pot with patterns on the inner and outer surfaces, and is manufactured by the manufacturing method.
Has the advantages that:
(1) the method can directly press patterns on the inner surface and the outer surface of the pot blank to form the dermatoglyph effect, has low manufacturing cost and is suitable for the mass production line type production of dermatoglyph pots; the prepared dermatoglyph pot has the advantages of large contact area, great improvement of non-adhesiveness and good wear resistance; in addition, the manufacturing cost is low, the roughness is considered on the surface of the dermatoglyph, and the roughness is directly pressed on the surface of the pot body without two processes.
(2) The expansion coefficient of the punch and the die in the extrusion process is considered, and the depth and the inclination of the patterns prefabricated on the punch and the die are correspondingly adjusted according to the characteristics of the aluminum alloy, so that the pressed patterns can be accurately re-engraved on the patterns prefabricated on the punch and the die.
(3) In order to accurately repeat carving of the required pattern on the inner surface and the outer surface of the pot, the accuracy of the patterns on the male die and the female die needs to be ensured, and a special processing mode is adopted to achieve the accurate pattern depths of different positions when the patterns are prefabricated on the male die and the female die.
Drawings
FIG. 1 is a flow chart of a method of making a pot having patterns on both the inner and outer surfaces in example 1;
fig. 2 is a schematic structural diagram of a forming mold used in the cooking device manufacturing method in embodiment 1.
Wherein: 1-upper bottom plate, 2-male die, 3-female die, 4-heat sleeve, 5-top block and 6-lower bottom plate
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
Example 1:
the embodiment provides a manufacturing method of a pot with patterns on the inner surface and the outer surface, which is used for manufacturing a leather-grain pot with leather grain effect on the inner surface and the outer surface.
As shown in fig. 1, the preparation method comprises the following specific steps:
step 1: preparation of Pot blank
The raw material for preparing the leather pattern pot is an aluminum alloy sheet; firstly, extruding and forming an aluminum alloy sheet to form a pot blank;
step 2: embossing patterns on the inner and outer surfaces of the pot blank by using a forming die
As shown in fig. 2, the molding die includes: the hot forming die comprises an upper base plate 1, a male die 2, a female die 3, a hot jacket 4, a top block 5 and a lower base plate 6; the female die 3 is an annular structure with a central through hole, the central through hole is divided into two parts along the axis, the two parts are respectively a cylindrical hole and a curved surface hole, the shape of the inner molded surface of the curved surface hole is consistent with that of the outer circumferential surface of the leather pattern pot to be processed, and the inner molded surface of the curved surface hole is prefabricated with patterns with set shapes and used for pressing the patterns on the outer circumferential surface of the pot blank to form the leather pattern effect.
The male die 2 is of a solid structure and is provided with a cylindrical section and an arc section, the outer molded surface of the arc section is consistent with the shape of the inner circumferential surface of the leather pattern pot to be processed, and the outer molded surface of the arc section is prefabricated with patterns with set shapes and used for pressing the patterns on the inner circumferential surface of the pot blank to form a leather pattern effect; in addition, the end face of the end of the convex die 2 at which the arc-shaped section is located can also be prefabricated with patterns with set shapes, and the patterns are pressed on the inner bottom surface of the pot blank to form a dermatoglyph effect.
The whole connection relationship is as follows: the female die 3 is fixed on the upper surface of the lower bottom plate 6 through bolts, wherein a curved hole of the female die 3 is positioned above the cylindrical hole; the top block 4 is positioned in the cylindrical hole of the female die 3, the size of the top block 4 is consistent with that of the cylindrical hole, and the upper surface of the top block 4 can also be prefabricated with patterns with set shapes for pressing the patterns on the outer bottom surface of the pot blank to form a dermatoglyph effect.
An annular step is processed on the outer circumferential surface of the female die 3, and a thermal sleeve 4 (namely an explosion-proof ring) is sleeved on the outer circumference of the female die 3, supported on the annular step surface and axially limited by the annular step surface; the thermal sleeve 4 is a protective sleeve for preventing the female die 3 from bursting. The male die 2 is fixed on the lower surface of the upper base plate 1 through bolts and is opposite to the central line through hole of the female die 3. The punch 2 can be moved along an axis to effect pressing of a pot blank placed on the top block 4 inside the die 3.
Because the pot blank to be processed is made of aluminum alloy and extruded by the leather grains, the selection of the die is different from that of a common extrusion die, and the toughness of the die when the die is pressed is fully considered (because the leather grains are easy to crack when extruded); for this purpose, 1.2344 die steel or similar steel is used for the punch 2, the die 3 and the top block 5.
Considering the expansion coefficient when the male die 2 and the female die 3 are pressed during extrusion, the depth and the inclination of the patterns prefabricated on the male die 2 and the female die 3 need to be correspondingly adjusted according to the characteristics of the aluminum alloy.
The method specifically comprises the following steps: the depth of the patterns prefabricated on the male die 2 changes according to the draft angle, the depth of the patterns on the male die 2 is 0.013 mm/draft angle 1 degree, for example, when the draft angle is 10 degrees, the depth of the patterns on the male die 2 is 0.13 mm; the depth of the patterns prefabricated on the female die 3 is related to the pot blank at the same time, and when the depth of the pot blank is less than 70mm, the depth of the patterns on the female die 3 is 0.009 mm/1 degree of draft angle; when the depth of the pot blank is more than or equal to 70mm, the depth value of the pattern on the female die 3 is 0.007 mm/1 degree of draft angle.
When patterns need to be processed on the inner surface and the outer surface of the pot blank, the pot blank is placed on the top block 4 in the female die 3, and the male die 2 is driven to move downwards by equipment such as an oil press or an electric screw press to extrude the pot blank; therefore, patterns are pressed on the inner surface and the outer surface of the pot blank through the male die 2, the female die 3 and the top block 5, and the effect of inner and outer skin patterns is achieved.
The method can directly press patterns on the inner and outer surfaces of the pan blank to form the dermatoglyph effect, has low manufacturing cost and is suitable for mass production line type production of dermatoglyph pans.
Example 2:
in addition to the above example 1, the pattern is prepared in the manner that the patterns on the punch 2, the die 3 and the top block 5 are:
firstly, drawing a pattern to be prefabricated through automatic mapping and modeling or directly taking the existing standard dermatoglyph, and then processing the pattern on the male die 2 and the female die 3 in a way of biting (chemical corrosion).
The existing corrosion pattern biting technology can not accurately control the pattern depth, and for solving the problem, when the patterns are prefabricated on the male die 2 and the female die 3, the following mode is adopted:
taking the prefabrication of patterns on the female die 3 as an example: firstly, the deepest depth of the patterns is used as the unified initial pattern depth to process the patterns on the inner molded surface of the curved surface hole of the female die 3, and then milling or grinding and the like are carried out according to the depth required by each part by CNC high-speed milling or a precise electric spark machine tool or a CNC tool grinder so as to achieve the precise pattern depth of different parts.
After the depth of the patterns of each part reaches the set requirement, the part of the inner surface of the female die 3, which is prefabricated with the patterns, is firstly trimmed and polished, then surface sand blasting is carried out, and finally local laser quenching is carried out on the part which is easy to wear. The part with patterns on the outer surface of the male die 2 is trimmed and polished, then is subjected to surface sand blasting, finally is subjected to local laser quenching on the part easy to wear, and finally is subjected to surface nitriding treatment; the purpose of nitriding is to increase the smoothness of the die and utilize the physical non-stick property of the nitrided surface to achieve the purpose that the pressed pot blank does not need to be subjected to sand blasting treatment and has physical non-stick property.
Example 3:
the embodiment provides another manufacturing method of patterns on the outer surface of a cooker, which is used for manufacturing a leather-patterned cooker with leather-patterned effects on the inner side and the outer side.
The preparation method comprises the following specific steps:
step 1: the raw material for preparing the leather grain pot is an aluminum alloy sheet, namely the aluminum alloy sheet is adopted as a pot body sheet, and patterns are firstly pressed on the inner surface and the outer surface of the pot body sheet by using an embossing die:
the embossing die includes: the end face of the mould is prefabricated with a plane mould A with patterns and the end face of the mould is prefabricated with a plane mould B with patterns; wherein the plane template A is used for pressing patterns on the upper surface of the pot body sheet, and the plane template B is used for pressing patterns on the lower surface of the pot body sheet.
Because the pot body piece is made of aluminum alloy and extruded by patterns, the selection of the die is different from that of a common extrusion die, and the toughness of the die when being pressed (because the skin pattern is easy to crack when being extruded) is fully considered; for this purpose, 1.2344 die steel material or the like is used for the flat die A and the flat die B.
Step 2: placing the pot body piece with patterns on the upper and lower surfaces in a pot body forming die, and forming the pot body by extruding the pot body piece; thereby forming the leather-grain pot with patterns on the inner and outer surfaces.
The method can directly press patterns on the inner and outer surfaces of the pan blank to form the dermatoglyph effect, has low manufacturing cost and is suitable for mass production line type production of dermatoglyph pans.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The manufacturing method of the pot with patterns on the inner and outer surfaces is characterized in that:
step 1: preparation of Pot blank
Preparing the pot blank by using an aluminum alloy sheet as a raw material, and carrying out extrusion forming on the aluminum alloy sheet to form the pot blank;
step 2: embossing patterns on the inner and outer surfaces of the pot blank by using a forming die
The forming die presses the patterns on the outer circumferential surface of the pot blank through the female die with the patterns prefabricated on the inner profile surface, and presses the patterns on the inner circumferential surface of the pot blank through the male die with the patterns prefabricated on the outer profile surface.
2. The method of manufacturing a pot having patterns on both inner and outer surfaces as set forth in claim 1, wherein: the depth value of the patterns on the male die in the forming die is 0.011-0.015 mm/1 degree of draft angle.
3. The method of claim 1, wherein the pan has patterns on both the inner and outer surfaces, and the method comprises: when the depth of the pot blank is less than 70mm, the depth value of the patterns on the female die is 0.007-0.011 mm/draft angle of 1 degree; when the depth of the pot blank is more than or equal to 70mm, the depth value of the patterns on the female die is 0.005-0.009 mm/draft angle of the die is 1 degree.
4. The method of manufacturing a pot having patterns on both inner and outer surfaces as claimed in claim 1 or 3, wherein: the pattern prefabrication forming mode on the inner molded surface of the female die is as follows:
firstly, processing patterns with consistent depth on the molded surface in the female die by taking the deepest pattern depth to be processed on the female die as the uniform initial pattern depth; and then trimming the patterns according to the required depth of each part, so that the pattern depth of different parts on the inner molded surface of the female die reaches the set depth requirement.
5. The method of manufacturing a pot having patterns on both inner and outer surfaces as claimed in claim 4, wherein: and after the pattern depth of each part on the inner molded surface of the female die reaches a set requirement, sequentially polishing and sand blasting the inner molded surface of the female die.
6. The method of manufacturing a pot having patterns on both inner and outer surfaces as claimed in claim 1 or 2, wherein: the prefabrication forming mode of the patterns on the outer molded surface of the male die is as follows:
firstly, processing patterns with consistent pattern depth on the outer molded surface of the male die by taking the deepest pattern depth to be processed on the male die as the uniform initial pattern depth; and then trimming the patterns according to the required depth of each part, so that the pattern depth of different parts on the outer molded surface of the male die reaches the set depth requirement.
7. The method of manufacturing a pot having patterns on both inner and outer surfaces as claimed in claim 6, wherein: and after the pattern depth of each part on the male die outer profile reaches a set requirement, sequentially polishing, sandblasting and surface nitriding the male die outer profile.
8. The method of manufacturing a pot having patterns on both inner and outer surfaces as claimed in any one of claims 1 to 7, wherein: the male die and the female die are made of 1.2344 die steel materials.
9. The manufacturing method of the pot with patterns on the inner and outer surfaces is characterized in that:
step 1: adopt the aluminium alloy piece as pot body piece, utilize the knurling mould to suppress the decorative pattern at the internal and external surface of pot body piece:
the embossing mold includes: the end face of the mould is prefabricated with a plane mould A with patterns and the end face of the mould is prefabricated with a plane mould B with patterns; the flat template A is used for pressing patterns on the upper surface of the pot body sheet, and the flat template B is used for pressing patterns on the lower surface of the pot body sheet;
and 2, step: placing the pot body piece with patterns on the upper and lower surfaces in a pot body forming die, and forming the pot body by extruding the pot body piece; thereby forming the leather-grain pot with patterns on the inner and outer surfaces.
10. The pot, its characterized in that: a pan having patterns on both the inner and outer surfaces thereof, manufactured by the manufacturing method according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210358743.0A CN114888195A (en) | 2022-04-06 | 2022-04-06 | Manufacturing method of pot with patterns on inner and outer surfaces and pot manufactured by using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210358743.0A CN114888195A (en) | 2022-04-06 | 2022-04-06 | Manufacturing method of pot with patterns on inner and outer surfaces and pot manufactured by using same |
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| Publication Number | Publication Date |
|---|---|
| CN114888195A true CN114888195A (en) | 2022-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210358743.0A Pending CN114888195A (en) | 2022-04-06 | 2022-04-06 | Manufacturing method of pot with patterns on inner and outer surfaces and pot manufactured by using same |
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| Country | Link |
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| CN (1) | CN114888195A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2441594Y (en) * | 2000-07-27 | 2001-08-08 | 宁新华 | Digital pattern grinder for tire mold |
| CN1994759A (en) * | 2006-12-22 | 2007-07-11 | 何祺晃 | Process for producing patterns on surface of metal faucet |
| CN105921639A (en) * | 2016-04-26 | 2016-09-07 | 浙江爱仕达电器股份有限公司 | Manufacturing method for IH (Induction Heating) rice cooker liner and liner manufactured by method |
| CN107649563A (en) * | 2017-09-19 | 2018-02-02 | 浙江康家宝炊具有限公司 | The preparation method of pan outer surface decorative pattern and the pot of application this method manufacture |
| CN109349911A (en) * | 2018-10-19 | 2019-02-19 | 江门市依山金属制品有限公司 | A kind of outer surface has the slaughterhouse manufacture craft of part ridge design |
| CN111266414A (en) * | 2020-03-10 | 2020-06-12 | 浦项(张家港)不锈钢股份有限公司 | Method for controlling pattern depth on surface of stainless steel |
| CN111604656A (en) * | 2020-06-05 | 2020-09-01 | 山东玲珑机电有限公司 | Method for processing pattern block of tire mold |
-
2022
- 2022-04-06 CN CN202210358743.0A patent/CN114888195A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2441594Y (en) * | 2000-07-27 | 2001-08-08 | 宁新华 | Digital pattern grinder for tire mold |
| CN1994759A (en) * | 2006-12-22 | 2007-07-11 | 何祺晃 | Process for producing patterns on surface of metal faucet |
| CN105921639A (en) * | 2016-04-26 | 2016-09-07 | 浙江爱仕达电器股份有限公司 | Manufacturing method for IH (Induction Heating) rice cooker liner and liner manufactured by method |
| CN107649563A (en) * | 2017-09-19 | 2018-02-02 | 浙江康家宝炊具有限公司 | The preparation method of pan outer surface decorative pattern and the pot of application this method manufacture |
| CN109349911A (en) * | 2018-10-19 | 2019-02-19 | 江门市依山金属制品有限公司 | A kind of outer surface has the slaughterhouse manufacture craft of part ridge design |
| CN111266414A (en) * | 2020-03-10 | 2020-06-12 | 浦项(张家港)不锈钢股份有限公司 | Method for controlling pattern depth on surface of stainless steel |
| CN111604656A (en) * | 2020-06-05 | 2020-09-01 | 山东玲珑机电有限公司 | Method for processing pattern block of tire mold |
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