CN107655256A - A kind of intelligent refrigerator shell processing technology - Google Patents

A kind of intelligent refrigerator shell processing technology Download PDF

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Publication number
CN107655256A
CN107655256A CN201711085161.5A CN201711085161A CN107655256A CN 107655256 A CN107655256 A CN 107655256A CN 201711085161 A CN201711085161 A CN 201711085161A CN 107655256 A CN107655256 A CN 107655256A
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China
Prior art keywords
refrigerator
shell
processing technology
intelligent refrigerator
blank
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Pending
Application number
CN201711085161.5A
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Chinese (zh)
Inventor
刘晓东
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Individual
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Individual
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Priority to CN201711085161.5A priority Critical patent/CN107655256A/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/08—Parts formed wholly or mainly of plastics materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04—Homopolymers or copolymers of esters
    • C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09D133/10—Homopolymers or copolymers of methacrylic acid esters
    • C09D133/12—Homopolymers or copolymers of methyl methacrylate
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/18—Homopolymers or copolymers of nitriles
    • C09D133/20—Homopolymers or copolymers of acrylonitrile
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
    • C09D183/04—Polysiloxanes
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F1/00—Electrolytic cleaning, degreasing, pickling or descaling
    • C25F1/02—Pickling; Descaling
    • C25F1/04—Pickling; Descaling in solution
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2502/00—Acrylic polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2507/00—Polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2518/00—Other type of polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2518/00—Other type of polymers
    • B05D2518/10—Silicon-containing polymers
    • B05D2518/12—Ceramic precursors (polysiloxanes, polysilazanes)
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2227—Oxides; Hydroxides of metals of aluminium
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2296—Oxides; Hydroxides of metals of zinc
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
    • C08K5/098—Metal salts of carboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Electrochemistry (AREA)
  • Metallurgy (AREA)
  • Refrigerator Housings (AREA)

Abstract

A kind of intelligent refrigerator shell processing technology, comprises the following steps：(1) molten state plastic processing is washed away into impurity into after corresponding shape, size, then with clear water by outcase of refrigerator size, obtains blank shell；(2) blank shell is put into electrolyte and carries out electrolysis processing；(3) the blank shell after step (2) electrolysis is handled, which is put into vacuum desiccator, is dried processing；(4) the blank outer surface of outer cover after step (3) drying process is coated into undercoating；(5) intermediate layer is coated after undercoating naturally dry；(6) external coating is coated after the naturally dry of intermediate layer, obtains outcase of refrigerator.Outcase of refrigerator produced by the present invention is compared has more preferable effect of heat insulation with general refrigerator shell, so that refrigerator more energy-conserving and environment-protective, shell has sound-absorbing, sound insulation function, makes noise caused by refrigerator work smaller, at particularly night, the normal rest of people is not interfered with.

Description

A kind of intelligent refrigerator shell processing technology
Technical field
The present invention relates to family's electro-technical field, and in particular to a kind of intelligent refrigerator shell processing technology.
Background technology
Refrigerator is to maintain a kind of refrigeration plant of constant low temperature, and one kind makes food or other articles keep constant low temperature The product for civilian use of cold conditions.There are compressor, ice machine in casing to the cabinet or case that freeze, the hutch with refrigerating plant.
The volume of household electric refrigerator is usually 20~500 liters.The family expenses ice of First compression-type refrigeration in the world in 1910 Case comes out in the U.S..Lido company of nineteen twenty-five Sweden develops family expenses absorption refrigerator.Nineteen twenty-seven, GE ground Make totally enclosed type refrigerator.Nineteen thirty cools down continuous diffusion absorption refrigerator using the air of different heating mode and launched. Succeed in developing novel refrigerant Freon 12 within 1931.The latter half fifties starts to produce family expenses thermoelectric refrigerator, and China was from 50 years In generation, starts to produce refrigerator.
A part of the outcase of refrigerator as refrigerator, its production technology fail to improve significantly, it is necessary to enter always One step is improved.
The content of the invention
The present invention is to solve the above problems, provide a kind of intelligent refrigerator shell processing technology.
The technical problems to be solved by the invention are realized using following technical scheme：
A kind of intelligent refrigerator shell processing technology, comprises the following steps：
(1) by outcase of refrigerator size by molten state plastic processing into after corresponding shape, size, then washed away with clear water miscellaneous Matter, obtain blank shell；
(2) blank shell is put into electrolyte and carries out electrolysis processing；
(3) the blank shell after step (2) electrolysis is handled, which is put into vacuum desiccator, is dried processing；
(4) the blank outer surface of outer cover after step (3) drying process is coated into undercoating；
(5) intermediate layer is coated after undercoating naturally dry；
(6) external coating is coated after the naturally dry of intermediate layer, obtains outcase of refrigerator.
Electrolyte is alkaline electrolyte in the step (2), and electrolyte 3~5,000 are added in every 100L water when electrolysis is handled Gram.
The electrolyte is sodium hydroxide.
It is divided into two stages during electrolysis processing in the step (2), supply voltage is risen to 3KV from 1KV in 20min, Current synchronization rises to 5A from 3A, terminates rear deenergization, switching electric current flow direction, makes supply voltage in 20min again from 1KV liters To 3KV, current synchronization rises to 5A from 3A, repeats switching electric current and flows to 2~3 times.
It is 0.03~0.05MPa to keep vacuum in the step (3) during vacuum drying treatment, by water content drying to not Taken out after more than 8% standby.
The undercoating includes the raw material of following parts by weight：
Polyvinyl alcohol 1.2-2.0 parts, salicylide 1.5-1.8 parts, acrylonitrile-styrene resin 15-20 parts, pearl essence 0.3- 0.7 part, nano silicon 0.2-0.5 parts, surfactant 1.0-1.5 parts, liquid crystal polymer 0.4-0.8 parts, zinc oxide 0.3-0.5 parts.
The surfactant is coupling formulation surfactant.
The coupling formulation surfactant is aluminate coupling agent.
The intermediate layer includes the raw material of following parts by weight：
Phthalimide 0.5-0.8 parts, polymethyl methacrylate 8-10 parts, amber 0.2-0.4 parts, potassium ferric oxalate 0.4- 0.6 part, potassium ferrocyanide 0.2-0.4 parts, beeswax stone flour 0.5-0.8 parts, green sodium oxalate 0.1-0.3 parts, bonding agent 1-3 parts.
The bonding agent is reactive resin bonding agent.
The external coating includes the raw material of following parts by weight：
Polysiloxanes 0.5-0.7 parts, silica flour 1.5-2.5 parts, phenolic resin 0.2-0.5 parts, polyisobutene 0.5-0.8 Part, schmigel 0.5-1.0 parts, organic siliconresin 10-12 parts, asbestos fibre 0.2-0.4 parts.
The undercoating, intermediate layer, external coating thickness ratio are 2:1：2~3.
The undercoating, intermediate layer, external coating thickness are respectively 0.4mm, 0.2mm, 0.6mm.
Beneficial effects of the present invention are：Outcase of refrigerator produced by the present invention compare with general refrigerator shell have preferably every Thermal effect, so that refrigerator more energy-conserving and environment-protective, shell has sound-absorbing, sound insulation function, makes noise caused by refrigerator work It is smaller, particularly night, do not interfere with the normal rest of people.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below Embodiment is closed, the present invention is expanded on further.
A kind of intelligent refrigerator shell processing technology, comprises the following steps：
(1) by outcase of refrigerator size by molten state plastic processing into after corresponding shape, size, then washed away with clear water miscellaneous Matter, obtain blank shell；
(2) blank shell is put into electrolyte and carries out electrolysis processing；
(3) the blank shell after step (2) electrolysis is handled, which is put into vacuum desiccator, is dried processing；
(4) the blank outer surface of outer cover after step (3) drying process is coated into undercoating；
(5) intermediate layer is coated after undercoating naturally dry；
(6) external coating is coated after the naturally dry of intermediate layer, obtains outcase of refrigerator.
Electrolyte is alkaline electrolyte in the step (2), and electrolyte 3~5,000 are added in every 100L water when electrolysis is handled Gram.
The electrolyte is sodium hydroxide.
It is divided into two stages during electrolysis processing in the step (2), supply voltage is risen to 3KV from 1KV in 20min, Current synchronization rises to 5A from 3A, terminates rear deenergization, switching electric current flow direction, makes supply voltage in 20min again from 1KV liters To 3KV, current synchronization rises to 5A from 3A, repeats switching electric current and flows to 2~3 times.
It is 0.03~0.05MPa to keep vacuum in the step (3) during vacuum drying treatment, by water content drying to not Taken out after more than 8% standby.
The undercoating includes the raw material of following parts by weight：
Polyvinyl alcohol 1.2-2.0 parts, salicylide 1.5-1.8 parts, acrylonitrile-styrene resin 15-20 parts, pearl essence 0.3- 0.7 part, nano silicon 0.2-0.5 parts, surfactant 1.0-1.5 parts, liquid crystal polymer 0.4-0.8 parts, zinc oxide 0.3-0.5 parts.
The surfactant is coupling formulation surfactant.
The coupling formulation surfactant is aluminate coupling agent.
The intermediate layer includes the raw material of following parts by weight：
Phthalimide 0.5-0.8 parts, polymethyl methacrylate 8-10 parts, amber 0.2-0.4 parts, potassium ferric oxalate 0.4- 0.6 part, potassium ferrocyanide 0.2-0.4 parts, beeswax stone flour 0.5-0.8 parts, green sodium oxalate 0.1-0.3 parts, bonding agent 1-3 parts.
The bonding agent is reactive resin bonding agent.
The external coating includes the raw material of following parts by weight：
Polysiloxanes 0.5-0.7 parts, silica flour 1.5-2.5 parts, phenolic resin 0.2-0.5 parts, polyisobutene 0.5-0.8 Part, schmigel 0.5-1.0 parts, organic siliconresin 10-12 parts, asbestos fibre 0.2-0.4 parts.
The undercoating, intermediate layer, external coating thickness ratio are 2:1：2~3.
The undercoating, intermediate layer, external coating thickness are respectively 0.4mm, 0.2mm, 0.6mm.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry For personnel it should be appreciated that the present invention is not limited to the above embodiments, that described in above-described embodiment and specification is only the present invention Preference, be not intended to limit the present invention, without departing from the spirit and scope of the present invention, the present invention also have it is various Changes and improvements, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by institute Attached claims and its equivalent thereof.

Claims (7)

1. a kind of intelligent refrigerator shell processing technology, it is characterised in that comprise the following steps：
(1) molten state plastic processing is washed away into impurity into after corresponding shape, size, then with clear water by outcase of refrigerator size, obtained Blank shell；
(2) blank shell is put into electrolyte and carries out electrolysis processing；
(3) the blank shell after step (2) electrolysis is handled, which is put into vacuum desiccator, is dried processing；
(4) the blank outer surface of outer cover after step (3) drying process is coated into undercoating；
(5) intermediate layer is coated after undercoating naturally dry；
(6) external coating is coated after the naturally dry of intermediate layer, obtains outcase of refrigerator.
2. a kind of intelligent refrigerator shell processing technology as claimed in claim 1, it is characterised in that be electrolysed in the step (2) Liquid is alkaline electrolyte.
3. a kind of intelligent refrigerator shell processing technology as claimed in claim 1, it is characterised in that be electrolysed in the step (2) During processing 3~5 kilograms of electrolyte is added in every 100L water.
4. a kind of intelligent refrigerator shell processing technology as claimed in claim 3, it is characterised in that the electrolyte is hydroxide Sodium.
5. a kind of intelligent refrigerator shell processing technology as claimed in claim 1, it is characterised in that be electrolysed in the step (2) It is divided into two stages during processing, supply voltage is risen to 3KV from 1KV in 20min, current synchronization rises to 5A from 3A, after terminating Deenergization, switching electric current flow direction, makes supply voltage rise to 3KV from 1KV, current synchronization rises to 5A from 3A in 20min again.
6. a kind of intelligent refrigerator shell processing technology as claimed in claim 5, it is characterised in that repeat switching electric current and flow to 2 ~3 times.
A kind of 7. intelligent refrigerator shell processing technology as claimed in claim 1, it is characterised in that vacuum in the step (3) During drying process keep vacuum be 0.03~0.05MPa, water content is dried to after no more than 8% take out it is standby.
CN201711085161.5A 2017-11-07 2017-11-07 A kind of intelligent refrigerator shell processing technology Pending CN107655256A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711085161.5A CN107655256A (en) 2017-11-07 2017-11-07 A kind of intelligent refrigerator shell processing technology

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Application Number Priority Date Filing Date Title
CN201711085161.5A CN107655256A (en) 2017-11-07 2017-11-07 A kind of intelligent refrigerator shell processing technology

Publications (1)

Publication Number Publication Date
CN107655256A true CN107655256A (en) 2018-02-02

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6929880B1 (en) * 1999-05-07 2005-08-16 Matsushita Electric Industrial Co., Ltd. Square cell container and method of manufacturing the cell container
CN1870863A (en) * 2005-05-28 2006-11-29 鸿富锦精密工业（深圳）有限公司 Casing of portable electronic device and its manufacturing method
CN101431873A (en) * 2007-11-09 2009-05-13 深圳富泰宏精密工业有限公司 Metal case and manufacturing method thereof
CN106853758A (en) * 2017-01-04 2017-06-16 天津市旭通伟泰汽车部件有限公司 A kind of processing technology of commercial vehicle heater unit housing
CN107295765A (en) * 2017-06-19 2017-10-24 无锡市恒利弘实业有限公司 A kind of plastics mobile terminal shell of metal-like

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6929880B1 (en) * 1999-05-07 2005-08-16 Matsushita Electric Industrial Co., Ltd. Square cell container and method of manufacturing the cell container
CN1870863A (en) * 2005-05-28 2006-11-29 鸿富锦精密工业（深圳）有限公司 Casing of portable electronic device and its manufacturing method
CN101431873A (en) * 2007-11-09 2009-05-13 深圳富泰宏精密工业有限公司 Metal case and manufacturing method thereof
CN106853758A (en) * 2017-01-04 2017-06-16 天津市旭通伟泰汽车部件有限公司 A kind of processing technology of commercial vehicle heater unit housing
CN107295765A (en) * 2017-06-19 2017-10-24 无锡市恒利弘实业有限公司 A kind of plastics mobile terminal shell of metal-like

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