KR100789694B1 - Lacquered metal ware and its manufacturing method - Google Patents

Lacquered metal ware and its manufacturing method Download PDF

Info

Publication number
KR100789694B1
KR100789694B1 KR1020060074465A KR20060074465A KR100789694B1 KR 100789694 B1 KR100789694 B1 KR 100789694B1 KR 1020060074465 A KR1020060074465 A KR 1020060074465A KR 20060074465 A KR20060074465 A KR 20060074465A KR 100789694 B1 KR100789694 B1 KR 100789694B1
Authority
KR
South Korea
Prior art keywords
lacquer
kitchen
lacquered
metal
iron
Prior art date
Application number
KR1020060074465A
Other languages
Korean (ko)
Other versions
KR20060094071A (en
Inventor
최의영
Original Assignee
최의영
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 최의영 filed Critical 최의영
Priority to KR1020060074465A priority Critical patent/KR100789694B1/en
Publication of KR20060094071A publication Critical patent/KR20060094071A/en
Application granted granted Critical
Publication of KR100789694B1 publication Critical patent/KR100789694B1/en

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00—Cooking-vessels
    • A47J27/002—Construction of cooking-vessels; Methods or processes of manufacturing specially adapted for cooking-vessels
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J36/00—Parts, details or accessories of cooking-vessels
    • A47J36/02—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
    • 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
    • B05D7/14—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 to metal, e.g. car bodies
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S220/00—Receptacles
    • Y10S220/912—Cookware, i.e. pots and pans

Abstract

본 발명은 옻칠한 금속제 주방용기의 제조방법에 관한 것이다.  The present invention relates to a method for producing a lacquered metal kitchen vessel.

이를 보다 상세히 설명하면 전기밥솥이나 프라이팬, 식기 컵 등의 주철계(Fe계) 금속제로 된 주방용기 및 식기류의 표면에 천연재질인 옻칠을 함으로서 기존의 화공소재의 코팅제에서 발생될 수 있는 환경호르몬이나 발암물질이 전혀 생기지 않으며, 조리 중 옻칠된 용기에서 용출되는 인체에 유익한 Fe +2 (철분)은 빈혈을 예방하고, 살균효과가 우수하고 민간요법상의 여러 가지 약리 작용이 있고 이것을 계속 사용함으로 인체에 유익한 물질을 흡수함으로서 가장 이상적인 웰빙형 주방용기가 되게 한 것이다.To explain this in more detail, the surface of kitchenware and tableware made of cast iron-based (Fe-based) metals such as electric rice cookers, frying pans, tableware cups, etc. is applied to the surface of the environmental chemicals that can be generated from coatings of existing chemical materials. Fe + 2 (iron), which is beneficial to the human body, which does not form any carcinogens and is eluted from a lacquered container during cooking, prevents anemia, has an excellent bactericidal effect, has various pharmacological effects in folk medicine, and continues to use it. By absorbing the beneficial substances it is the most ideal well-equipped kitchen dish.

종래에도 옻성분을 도포한 금속제 식기류가 다수 공지된 바 있었으나, 이러한 것들은 제조공정이 복잡할 뿐만 아니라 표면처리가 미흡하여 옻칠부분이 쉽게 벗겨지는 폐단이 있었다.   In the past, a number of metal utensils coated with lacquer components have been known, but these have not only complicated manufacturing processes but also poor surface treatment, resulting in easy removal of the lacquer portion.

본 발명은 이상의 문제점을 해결하고자 안출한 것으로 이의 발명요지는 생형이나 CO2 공법에 의한 주물을 제작한 후, 다듬질, 가공, 쇼트공정을 거친 후 상기 주방용기를 700~1000℃ 고온에서 표면에 Fe3O4 의 산화피막을 만들어 쉽게 녹이 쓸지 않게 하고, 다음에 산화피막이 형성된 표면에 일정한 두께로 옻칠을 한 후 150~300℃의 온도로 가열하여 옻의 독성을 분해시키고 접착력을 좋게 한 후, 이를 자연 냉각시킨 후 상기 옻칠한 제품을 뜨거운 물속 (100℃이상)에 넣어 옻독을 제거하는 열탕 처리공정의 순으로 제조하는 것인바, 이는 인체에 유익한 철분의 생성과 살균효과가 우수하고 약리작용이 있으며, 인체에 유해한 환경호르몬이나 발암물질이 전혀 없는 무공해 주방용기이다. The present invention has been made to solve the above problems, the present invention is to produce the casting by the raw mold or CO 2 method, and after finishing, processing, and short process, the kitchen vessel Fe 700 on the surface at a high temperature 700 ~ 1000 ℃ Make an oxide film of 3 O 4 so that it does not rust easily, and then lacquer the surface where the oxide film is formed to a certain thickness and heat it to a temperature of 150 ~ 300 ℃ to decompose the toxicity of lacquer and improve adhesion. After the natural cooling to put the lacquered product in hot water (100 ℃ or more) in order of boiling water treatment process to remove the lacquer, which is good for the production and sterilization of iron beneficial to the human body and has a pharmacological effect It is a pollution-free kitchen container with no environmental hormones or carcinogens.

옻칠한 금속제 주방 용기의 제조방법 Manufacturing method of lacquered metal kitchen container

Description

옻칠한 금속제 주방 용기의 제조방법 {Lacquered metal ware and its manufacturing method}  Lacquered metal ware and its manufacturing method

도1은 본 발명의 제조공정표시도1 is a manufacturing process display of the present invention

※도면의 주요부분에 대한 부호의 설명※ Explanation of symbols for main parts of drawing

1-주조공정 2-다듬질 공정 3-가공공정1-casting process 2-finishing process 3-machining process

4-쇼트 공정 5-열처리공정 6-1차 코팅공정4-shot process 5-heat treatment process 6-1st coating process

7-2차 코팅공정 8-열탕처리공정7-2nd coating process 8-hot water treatment process

본 발명은 옻칠한 금속제 주방용기의 제조방법에 관한 것이다.   The present invention relates to a method for producing a lacquered metal kitchen vessel.

이를 보다 상세히 설명하면 전기밥솥이나 프라이팬, 식기 컵 등과 같은 무쇠로 된 주방용기의 표면에 옻칠을 함으로서 표면이 미려하고 인체에 유익한 성분의 생성과 환경호르몬등 인체에 해로운 성분이 전혀 없는 웰빙형 주방용기의 제조방법에 관한 것이다.  To explain this in more detail, lacquer on the surface of cast iron kitchenware such as electric rice cooker, frying pan, tableware cup, etc. It relates to a manufacturing method of.

종래에도 옻성분을 도포한 금속제 식기류가 다수 공지된 바 있었으나, 이러한 것들은 제조공정이 복잡할 뿐만 아니라 표면처리가 미흡하여 접착력이 떨어져 옻칠부분이 쉽게 벗겨지는 폐단이 있었던 것이다.  In the past, a number of metal utensils coated with lacquer components have been known, but these are not only complicated manufacturing processes but poor surface treatment, so that the lacquer portions are easily peeled off due to poor adhesion.

본 발명은 상기의 문제점을 해결하고자 안출한 것으로서,  The present invention has been made to solve the above problems,

이의 발명요지는 생형이나 CO2공법에 의한 주조공정, 다듬질공정, 가공공정, 쇼트공정을 거쳐 제조된 주물로 된 주방요기의 일반적인 제조공정에 있어서 상기한 주방용기의 표면에 700~1000℃의 고온에서 표면에 녹을 방지하기 위한 산화철(Fe3O4)의 피막을 형성하는 산화철 피막공정과 상기 피막공정후 그 위에 일정한 두께로 옻을 도포하는 1차 코팅공정과 가열 건조공정, 다시 옻칠하는 2차 코팅공정, 상기 옻칠한 제품을 뜨거운(100℃이상) 물속에 투입하여 옻독을 제거하는 열탕처리공정의 순으로 제조하는 것인 바, 이는 인체에 유익한 철분의 생성과 살균효과가 우수하고 약리작용이 있을 뿐만 아니라 인체에 치명적인 환경호르몬이나 발암물질이 전혀 없는 가장 이상적인 주방용 기기이다.The present invention is a high temperature of 700 ~ 1000 ℃ on the surface of the kitchen vessel in the general manufacturing process of the kitchen ware made of casting manufactured by the casting process, the finishing process, the processing process, the short process by the raw mold or CO 2 method Iron oxide film forming process to form a film of iron oxide (Fe 3 O 4 ) to prevent rust on the surface and the first coating process and heat drying process to apply lacquer to a certain thickness thereon after the coating process, and secondary lacquer again Coating process, the lacquered product is put into hot (100 ℃ or more) water in order to manufacture a hot water treatment process to remove the lacquer, which is good for the production of iron and sterilization effect beneficial to the human body and pharmacological action In addition, it is the most ideal kitchen device with no environmental hormones or carcinogens.

이를 도면에 의거하여 상세하게 설명하면 다음과 같다.  This will be described in detail with reference to the drawings as follows.

본 발명에서 금속제 주물주방용기의 표면에 옻칠박막을 형성하는 공정은 다음과 같다.  In the present invention, a process of forming a lacquer thin film on the surface of a metal casting kitchen container is as follows.

제1공정: 주조공정-생형이나 CO2 공법을 이용하여 금속을 주조하여 주방용기를 제조하는 공정(1)1st process: casting process-The process of manufacturing a kitchen container by casting a metal using a die-casting or a CO 2 method (1)

제2공정: 다듬질공정-주물로 주형된 주방용기의 표면을 깨끗하게 다듬질작업을 하는 다듬질공정(2)Second Process: Finishing Process-Finishing process to clean the surface of kitchenware cast by casting (2)

제3공정: 가공공정-제품의 종류에 따라 사용목적에 적합하게 가공하는 공정(3)Third step: Machining process-process to suit the intended purpose according to the type of product (3)

제4공정 : 쇼트공정-스틸볼(Steel Ball)로 제품의 표면을 때려 미세한 요철면을 만드는 쇼트공정(4)4th process: Short process-Short process to make fine uneven surface by hitting the surface of the product with steel ball (4)

상기한 제1공정에서 제4공정까지는 일반적인 주물 제조공정인 바 이에 본 발명의 옻성분을 도포하는 공정에 있어서는 ,  In the first step to the fourth step, the general casting manufacturing process, so in the step of applying the lacquer component of the present invention,

제5공정 : 산화철 피막처리공정(5)- 상기한 바와 같이 쇼트공정을 마친 주방용기를 700~1000℃의 온도에서 산화철(Fe3O4) 피막처리공정(5)을 실시한다.Step 5: Oxide treatment step (5) subjected to the iron oxide (Fe 3 O 4) coating treatment step 5, the kitchen vessel have completed a short step at a temperature of 700 ~ 1000 ℃ as described above.

제6공정: 1차 코팅공정(6)-상기한 5공정의 산화철 피막처리공정을 마친 제품의 표면에 일정한 두께로 옻칠을 한 후 100~300℃의 온도에서 일정시간 가열한 후 자연 건조시킨다.Sixth step: primary coating step (6)-after the iron oxide film treatment step of the above five steps, the surface of the product is lacquered to a certain thickness and then heated at a temperature of 100 ~ 300 ℃ for a certain time and then dried naturally.

제7공정: 2차 코팅공정(7)-상기한 6공정을 진행한 후 통풍이 잘되는 곳에서 완전히 자연건조된 금속 주방용기의 표면부에 100~300℃에서 용융한 옻액으로 재차 일정한 두께로 다시 옻칠을 실시한 다음, 상기와 같은 방법으로 자연 건조시킨다.7th process: 2nd coating process (7)-after the above 6 process again in a well-ventilated place in the surface of the metal kitchen vessel completely natural dried molten lacquer at 100 ~ 300 ℃ again to a constant thickness again After lacquering, it is naturally dried in the same manner as above.

제8공정: 열탕처리공정(8)-상기와 같이 2차에 걸쳐 옻칠을 한 금속주방용기의 표면을 완전하게 건조시킨 후 상기 주방용기를 100℃의 끓는 물속 투입하여 일정시간 가열함으로서 용기 속에 내포된 옻독을 완전히 제거한다.Eighth step: Hot water treatment step (8)-After completely drying the surface of the lacquered metal kitchen vessel as described above, the kitchen vessel is put into boiling water at 100 ℃ boiled in a container by heating for a certain time Completely remove the poisoned lactose.

그리고 본 발명은 상기의 주철계 주방용기뿐만 아니라 스테인레스(sus)와 동(cu) 및 알루미늄(Al)등의 재질로 된 주방용기에도 적용할 수 있으며, 옻칠의 종류에는 여러 가지가 있는 바 이중에서 중요한 옻칠의 종류를 대별하면 다음과 같다.  In addition, the present invention can be applied to kitchenware made of materials such as stainless (sus), copper (cu) and aluminum (Al) as well as the cast iron-based kitchenware, and there are various kinds of lacquer bars. The major types of lacquer can be classified as follows.

· 천연칠액 : 옻나무에서 채취한 칠액(漆液)에 나뭇잎, 껍질, 벌레 등의 이물질이 들어 있는 칠액 Natural lacquer: A lacquer containing lacquer, bark, insects, etc.

· 생칠 : 천연칠액을 여과기에 넣어 이물질을 제거한 칠액 Raw paint: Put the natural lacquer into the filter to remove foreign substances

· 정제칠액 : 천연칠액을 교반기에 넣고 가열, 탈수시킨 후 다시 원심분리기에서 이물질을 제거한 칠액으로서 정제 투명칠 및 정제 흑칠로 구분됨. · Refined lacquer: The natural lacquer is placed in a stirrer, heated and dehydrated, and the foreign matter is removed from the centrifuge.

· 정제투명칠 : 정제시 유류(油類)를 혼합하지 않은 일반 흑색칠. · Refining clear paint: Normal black paint with no oil.

· 정제 흑칠 : 광택을 내기 위하여 유류를 혼합한 도립칠(塗立漆). Refined black lacquer: An inverted lacquer that is mixed with oil to create a gloss.

상기와 같은 공정순으로 제조되는 본 발명의 실시예는 아래와 같다.  An embodiment of the present invention manufactured in the above process order is as follows.

도1에서와 같이 금속재질로 된 전기밥솥의 내부나 프라이팬과 같은 주방용기뿐만 아니라 수저 및 컵과 같은 식기종류의 표면에 옻액(lacquer)을 칠한 것인 바, 이는 인체에 유익한 철분을 섭취할 수 있고, 옻의 약리작용 및 살균작용을 통해 신체의 기능을 증진시키고 환경 호르몬이나 발암물질이 전혀없는 윤택한 생활(웰빙)을 할 수 있게 하는 것이다.   As shown in FIG. 1, lacquer is coated on the surface of a tableware type such as a cutlery and a cup, as well as the inside of a metal rice cooker or a frying pan, which can ingest iron beneficial to the human body. The pharmacological and bactericidal action of lacquer enhances the function of the body and enables a healthy life (well-being) without any environmental hormones or carcinogens.

상기한 바와 같이 본 발명은 금속제 주방용기의 표면에 옻칠을 하였기 때문에 이러한 주방용기를 계속 사용하게 되면 인체에 유익한 Fe +2 (철분)을 계속적으로 섭취할 수 있고, 또한 옻의 약리작용으로 인해 신체의 기능을 증진시킬 수 있으며, 살균작용으로 인해 음식이 쉽게 상하지 않는 친환경적인 매우 유용한 발명인 것이다.As described above, the present invention is lacquered on the surface of the metal kitchen container, so if you continue to use the kitchen container can continue to ingest Fe + 2 (iron), which is beneficial to the human body, and also due to the pharmacological action of lacquer It can enhance the function of, and because of the sterilization effect is not very easy to eat food is environmentally friendly.

Claims (1)

주조공정(제1공정)→다듬질공정(제2공정)→가공공정(제3공정)→쇼트공정(제4공정)의 순으로 제조된 통상적인 금속재질로 된 주방용기에 있어서, 상기의 금속주방용기를 700~1000℃ 온도에서 산화철(Fe3O4) 피막형성 작업을 하는 열처리 공정(제5공정)을 실시한 다음, 상기 산화철피막이 형성된 금속주방용기의 표면에 100~300℃의 온도에서 용융한 옻액을 일정한 두께로 칠한 후 자연 건조시키는 1차 코팅공정(제6공정)을 실시한 후 다시 100∼300℃의 온도에서 용융한 옻액으로 재차 옻칠한 후 자연 건조시키는 2차 코팅공정(제7공장)을 실시한 다음 일정한 두께의 옻칠된 금속주방용기를 100℃의 끓는 물에 넣어 일정시간 끓여 옻독을 제거하는 열탕처리공정(제8공정)의 순으로 진행함을 특징으로 하는 옻칠한 주물 주방용기의 제조방법. In the kitchen vessel made of a conventional metal material manufactured in the following order: casting process (first process) → finishing process (second process) → processing process (third process) → short process (fourth process). The kitchen vessel is subjected to a heat treatment step (fifth step) of forming iron oxide (Fe 3 O 4 ) film at a temperature of 700 ~ 1000 ℃, and then melted at a temperature of 100 ~ 300 ℃ on the surface of the metal kitchen container formed with the iron oxide film After applying a lacquer to a certain thickness, perform the first coating process (6th step) to naturally dry, and then again apply lacquer again with molten lacquer at a temperature of 100-300 ℃ and then dry naturally (second plant 7) ), And then put a lacquered metal kitchen container of a certain thickness into boiling water at 100 ° C. and boil it for a certain period of time to remove the lacquer. Manufacturing method.
KR1020060074465A 2006-08-08 2006-08-08 Lacquered metal ware and its manufacturing method KR100789694B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020060074465A KR100789694B1 (en) 2006-08-08 2006-08-08 Lacquered metal ware and its manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020060074465A KR100789694B1 (en) 2006-08-08 2006-08-08 Lacquered metal ware and its manufacturing method

Publications (2)

Publication Number Publication Date
KR20060094071A KR20060094071A (en) 2006-08-28
KR100789694B1 true KR100789694B1 (en) 2008-01-02

Family

ID=37601985

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020060074465A KR100789694B1 (en) 2006-08-08 2006-08-08 Lacquered metal ware and its manufacturing method

Country Status (1)

Country Link
KR (1) KR100789694B1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021028902A1 (en) * 2019-08-13 2021-02-18 Caniel Industry A.T.G Ltd. A cooking vessel and a method of producing the same
WO2021145628A1 (en) 2020-01-16 2021-07-22 코오롱인더스트리 주식회사 Heat-resistant coating composition
KR20210092679A (en) 2020-01-16 2021-07-26 코오롱인더스트리 주식회사 Heat resistant coating composition

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101118610B1 (en) * 2010-05-20 2012-03-13 이경동 Lacquer color pattern formation method of using brass products, and its color pattern formed by brass products
KR101452417B1 (en) * 2014-04-24 2014-10-23 김범용 brassware surface of sanding treatment and lacquer method and brassware production methods
KR101682658B1 (en) * 2015-11-19 2016-12-20 황인수 Tea caldron preparation method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040021491A (en) * 2002-09-04 2004-03-10 남도금형(주) Food storage container with lacquer

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040021491A (en) * 2002-09-04 2004-03-10 남도금형(주) Food storage container with lacquer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021028902A1 (en) * 2019-08-13 2021-02-18 Caniel Industry A.T.G Ltd. A cooking vessel and a method of producing the same
WO2021145628A1 (en) 2020-01-16 2021-07-22 코오롱인더스트리 주식회사 Heat-resistant coating composition
KR20210092679A (en) 2020-01-16 2021-07-26 코오롱인더스트리 주식회사 Heat resistant coating composition

Also Published As

Publication number Publication date
KR20060094071A (en) 2006-08-28

Similar Documents

Publication Publication Date Title
KR100789694B1 (en) Lacquered metal ware and its manufacturing method
CN100584992C (en) Foodware with multilayer stick resistant ceramic coating and method of making
CN205234252U (en) Eat built -in pot body of material disconnect -type medical stone pottery
CN103349491A (en) Titanium or titanium alloy composite pot and preparation technology
KR100524524B1 (en) A cooking vessel and manufacturing method thereof
CN1219112C (en) Tableware surface treatment and products thereby
KR101118610B1 (en) Lacquer color pattern formation method of using brass products, and its color pattern formed by brass products
CN107245562B (en) The method that a kind of pair of cast iron cooker is surface-treated
KR100926516B1 (en) Method for manufacturing vessel coated lacquer poison and vessel manufactured thereof
CN103054068A (en) Preparing process of salted duck eggs
KR100648864B1 (en) Coating method for cooker using charcoal coating composition
CN105686619B (en) Health ceramic cooker production technology
CN105249806B (en) A kind of dry blowing formula Chinese medicine stone ceramic pot body
US5989631A (en) Process for equipping a kitchenware object with an anti-adhesion coating
CN106852427A (en) A kind of method that red stoneware stews bird's nest
KR101185774B1 (en) Method for coating kitchen container
CN107105934B (en) Cooking vessel made of anodized aluminum alloy
CN101502378A (en) Cook ware for resisting oxidation of oil product and preparation method thereof
KR101264145B1 (en) Method for coating kitchen container
KR200412839Y1 (en) A kitchen utensils for carbon forming
CN105342361A (en) Food separation type medical stone and ceramic built-in pot
KR20060040783A (en) A method of lacquer pattern and metallic kitchen goods prepared thereby
CN201119746Y (en) Metal cooking appliance with ceramic film
KR102567110B1 (en) Cooking utensils with a pre-seasoning layer and manufacturing method thereof
KR200415236Y1 (en) A kitchen utensils for heat-resistant ceramic forming

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20121009

Year of fee payment: 6

FPAY Annual fee payment

Payment date: 20130913

Year of fee payment: 7

FPAY Annual fee payment

Payment date: 20140901

Year of fee payment: 8

FPAY Annual fee payment

Payment date: 20150907

Year of fee payment: 9

FPAY Annual fee payment

Payment date: 20160919

Year of fee payment: 10

FPAY Annual fee payment

Payment date: 20170907

Year of fee payment: 11

FPAY Annual fee payment

Payment date: 20180912

Year of fee payment: 12

FPAY Annual fee payment

Payment date: 20191202

Year of fee payment: 13