WO2020020386A2 - 一种复合钢锅及其制造工艺 - Google Patents

一种复合钢锅及其制造工艺 Download PDF

Info

Publication number
WO2020020386A2
WO2020020386A2 PCT/CN2019/108059 CN2019108059W WO2020020386A2 WO 2020020386 A2 WO2020020386 A2 WO 2020020386A2 CN 2019108059 W CN2019108059 W CN 2019108059W WO 2020020386 A2 WO2020020386 A2 WO 2020020386A2
Authority
WO
WIPO (PCT)
Prior art keywords
pot
layer
inner working
working layer
composite steel
Prior art date
Application number
PCT/CN2019/108059
Other languages
English (en)
French (fr)
Other versions
WO2020020386A3 (zh
Inventor
叶霖峰
Original Assignee
金华乐嘉厨具有限公司
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 金华乐嘉厨具有限公司 filed Critical 金华乐嘉厨具有限公司
Publication of WO2020020386A2 publication Critical patent/WO2020020386A2/zh
Publication of WO2020020386A3 publication Critical patent/WO2020020386A3/zh

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
    • 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

Definitions

  • the invention relates to a steel pot and a manufacturing process thereof, and in particular to a composite steel pot and a manufacturing process thereof.
  • the conventional composite steel pot in the prior art is shown in Figure 1-2, which includes an inner layer (4), an intermediate layer (5), and an outer layer (6).
  • the inner layer (4) is a working layer and an intermediate layer.
  • (5) is a thermally conductive layer made of magnetically permeable material
  • the outer layer (6) is a heated layer
  • the outer layer (6) and the middle layer (5) are located at the bottom of the inner layer (4), at the outer edge of the joint.
  • the invention aims at the problem that the pot body is deformed due to spraying and high-temperature baking in the prior art, which affects the appearance quality of the product, and the bottom plate deformation caused by the high-temperature deformation of the bottom plate cannot pass, and provides a composite steel pot and a manufacturing process thereof.
  • a composite steel pot and a manufacturing process thereof include a pot body.
  • the pot body includes an inner working layer and an outer heating layer made of a magnetically conductive material.
  • the bottom of the inner working layer protrudes downward to form a pot bottom boss.
  • the bottom of the outer heating layer protrudes downward to form a base, and the base is provided with a first groove;
  • the outer side wall of the inner working layer is provided with an inner annular boss near the pot mouth, and the outer side wall of the outer heating layer is close to the pot mouth
  • the inner annular boss and the base strengthen the volatile pot mouth and the pot bottom respectively, which greatly improves the strength of the whole pot body, reduces the deformation probability of the pot body spraying and heating, and improves the quality rate of the product.
  • the outer heat-receiving layer made of magnetically permeable material wraps the outer surface of the inner working layer. When used, the active area is increased, and the heat conduction efficiency is improved.
  • the material of the inner working layer is a stainless steel inner working layer or an aluminum inner working layer.
  • the outer bottom surface of the pot body is flat, and the thickness of the pot bottom gradually increases from the center to the outside.
  • the outer surface of the inner bottom working layer of the pot bottom boss smoothly transitions.
  • the outer heat receiving layer is an iron outer heat receiving layer or a stainless steel outer heat receiving layer.
  • the magnetically conductive outer heat receiving layer greatly improves the heat conduction efficiency of the outer heat receiving layer.
  • the top surface of the inner annular boss is flush with the mouth of the pot, its side is an arc surface, the arc of the arc surface is the same as the arc at the same height as the inner surface of the inner working layer, and its bottom surface is the same as the outer working layer. Smooth surface transition.
  • the inner annular boss greatly improves the strength at the mouth of the pot, effectively reducing its probability of heat deformation
  • a manufacturing process of a composite steel pot includes the following steps:
  • A. Oiling of tablets use an oiler to oil both sides of the tablets;
  • One-time compression molding using a stamping machine to press the oiled sheet material to form an inner working layer, press the bottom of the inner working layer to form a pot bottom boss, and close the outer side wall of the inner working layer to the pot
  • the inner annular boss is punched at the mouth; then the magnetically permeable sheet after oiling is punched to form an outer heating layer, and the bottom of the outer heating layer is punched down to form a base with a first groove, and the outer layer
  • the outer wall of the heating layer is punched near the mouth of the pot to form an outer annular boss with a second groove;
  • the present invention adopts the above scheme and has the following beneficial effects: the present invention makes the aluminum alloy or stainless steel and the magnetically permeable layer material tightly adhered together again under a high tonnage pressure, and the aluminum alloy material acts in a cold solid state or a heated state by the high tonnage pressure. It flows down to make the multi-layer structure more dense, and the molecular structure is more finely arranged, which increases the adhesion of aluminum alloy or stainless steel and the magnetic permeable layer material.
  • the multilayer body composite steel material is integrally formed, and the bottom step of the pot body and the pot The step provided at the mouth reinforces the entire pot body, which greatly reduces the thermal deformation in the reinforced position, and solves the problems of ordinary inlay type bottom, full bottom is easy to fall off, easy to leak water, and the bottom concave test is not easy to pass.
  • FIG. 1 is a cross-sectional view of a conventional double bottom pot body in the prior art described in the background art.
  • FIG. 2 is an exploded view of the pot body in FIG. 1.
  • FIG. 3 is a schematic structural diagram of a pot body according to the present invention.
  • FIG. 4 is an exploded view of a pot body with a multilayer structure in the present invention.
  • FIG. 5 is an enlarged view at A in FIG. 4.
  • FIG. 6 is an enlarged view at B in FIG. 4.
  • a composite steel pot and, as shown in FIGS. 3-5, it includes a pot body 1.
  • the pot body 1 includes an inner working layer 11 and an outer heating layer 12 made of a magnetically permeable material.
  • the bottom is raised downward to form a pot bottom boss 3, and the bottom of the outer heating layer 12 is raised downward to form a base 121.
  • the base 121 is provided with a first groove 1211.
  • the outer side wall of the inner working layer 11 is close to the pot mouth.
  • An inner annular boss 4 is provided.
  • An outer annular boss 122 is provided on the outer side wall of the outer heat receiving layer 12 near the mouth of the pot.
  • a second groove 1221 is provided on the inner side of the outer annular boss 122.
  • the outer heat receiving layer 12 is wrapped in Outside the inner working layer 11, the boss 3 is received in the first groove 1211, and the inner annular boss 4 is received in the second groove 1221.
  • the material of the inner working layer 11 is a stainless inner working layer or an aluminum inner working layer.
  • the outer bottom surface of the pot body 1 is flat, and the thickness of the pot bottom gradually increases from the center to the outside.
  • the outer heat receiving layer 12 is an iron outer heat receiving layer or a stainless steel outer heat receiving layer.
  • the top surface 41 of the inner annular boss 4 is flush with the mouth of the pot, and its side surface 42 is an arc surface.
  • the arc of the arc surface is the same as the arc at the same height as the inner surface of the inner working layer 11, and its bottom surface 43 is the same as the inner working.
  • the outer surface of the layer 11 transitions smoothly.
  • a manufacturing process of a composite steel pot includes the following steps:
  • A. Oiling of tablets use an oiler to oil both sides of the tablets;
  • Secondary imitation molding Wrap the outer heating layer 12 outside the inner working layer 11 so that the boss 3 is received in the first groove 1211, and the inner annular boss 4 is received in the second groove 1221. Inside, the inner working layer 11 and the outer heating layer 12 are punched into an integrated pot body by a punching machine.
  • Test the concave bottom of the finished composite steel pot 1. Measure the diameter of the bottom of the pot; 2. Use an angle plate to draw eight lines on the bottom of the pot, each line passing through the center of the bottom of the pot, and the angle of each two lines With a difference of 45 °, measure one point with the largest amount of undercut on each line and record the undercut size at eight points; 3. Heat the pot to 200 ° C, measure the undercut size at the above eight points, and calculate the change Value; 4. The bottom diameter is recessed within 0.3% -0.6% * diameter, and the bottom diameter is recessed within 0.6% * diameter under cold room temperature conditions as qualified products.
  • Example 2 and Example 3 are test data of a common full-bottomed (non-porous double-bottomed) pot and a multilayer steel imitation pressure cooker, respectively.
  • the present invention is compared with an ordinary induction cooker suitable for a double-bottomed pan: the multilayer composite steel pan is difficult to deform the bottom after being heated, has a large magnetic conductive area, and has more uniform heat conduction. Compared with ordinary full-bottomed pans, the magnetic conductive area of the bottom heating protrusion will not be reduced, and the thermal efficiency will not be lost.
  • the process of the invention covers: under high-tonnage pressure, other materials, aluminum alloys, and stainless steel or magnetically permeable layer materials are tightly bonded together again.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Cookers (AREA)

Abstract

本发明涉及钢锅及其制造工艺，公开了一种复合钢锅及其制造工艺，包括锅体(1)，锅体(1)包括内层作业层(11)和外层受热层(12)，外层受热层(12)将内层作业层(11)包裹，锅体(1)的底部及锅口外沿设有用于加强结构强度的凸台；制造时先对片料涂油再对多层结构分别仿压成型再将多层结构仿压在一起。本发明通过高吨位压力下使各层紧密粘合在一起，通过高吨位压力作用使锅体的材料在冷固态下或者加热状态下流动，密度更致密，分子结构更细密排布，增加铝合金与不锈钢或者导磁层材料的附着力；另外锅体多层复合钢材料一体成型，口部与底部台阶式加强作用使锅体喷涂高温烘烤下不易变形。

Description

一种复合钢锅及其制造工艺 技术领域
本发明涉及钢锅及其制造工艺，尤其涉及了一种复合钢锅及其制造工艺。
背景技术
目前，现有技术中的普通复合钢锅如图1-2所示，其包括内层(4)、中间层(5)和外层(6)，内层(4)为作业层，中间层(5)为导磁材料制成的导热层，外层(6)为受热层，外层(6)与中间层(5)均位于内层(4)的底部，在接合处的外边缘处形成缝隙带来易脱落、易渗水、底凹测试不容易通过的缺陷，另外多层复合钢锅普通冲压成型如拉伸、旋压成型，锅体会因为喷涂高温烘烤而变形，影响产品外观质量，底板高温变形导致底凹测试不能通过。
发明内容
本发明针对现有技术中锅体会因为喷涂高温烘烤而变形，影响产品外观质量，底板高温变形导致底凹测试不能通过的问题，提供了一种复合钢锅及其制造工艺。
为了解决上述技术问题，本发明通过下述技术方案得以解决：
一种复合钢锅及其制造工艺，包括锅体，锅体包括内层作业层和由导磁材料制成的外层受热层，内层作业层的底部向下凸起形成锅底凸台，外层受热层的底部向下凸起形成底座，底座上设有第一凹槽；内层作业层的外侧壁靠近锅口处设有内环形凸台，外层受热层的外侧壁靠近锅口处设有外环形凸台，外环形凸台的内侧设有第二凹槽；外层受热层包裹在内层作业层外侧，凸台容置在第一凹槽内，内环形凸台容置在第二凹槽内。其中内环形凸台和底座的分别对易变性的锅口和锅底进行加强，大大提高整个锅体的强度，减小了锅体喷涂受 热的变形概率，提高了产品的优良率。另外，导磁材料制成的外层受热层对内层作业层外表面包裹，使用时作用面积增大，热传导效率提高。
作为优选，内层作业层的材料为不锈钢内层作业层或铝内层作业层。
作为优选，锅体的外底面为平面，锅底的厚度由中心向外侧逐渐增厚。
作为优选，锅底凸台与内层作业层的外表面圆滑过渡。
作为优选，外层受热层为铁外层受热层或不锈钢外层受热层。该种导磁的外层受热层大大提高了外层受热层的导热效率。
作为优选，内环形凸台的顶面与锅口平齐，其侧面为弧形面，弧形面的弧度与内层作业层内表面相同高度处的弧度相同，其底面与内层作业层外表面圆滑过渡。内环形凸台大大提高了锅口处的强度，有效的降低其受热变形概率
一种复合钢锅的制造工艺，其包括以下步骤：
A.片料涂油：采用涂油机对片料的两面进行涂油；
B.一次仿压成型:采用冲压机将涂油后的片料进行冲压形成内层作业层，将内层作业层的底部冲压形成锅底凸台，并将内层作业层的外侧壁靠近锅口处冲压形成内环形凸台；再将涂油后的导磁的片料冲压形成外层受热层，外层受热层的底部向下冲压形成带有第一凹槽的底座，并将外层受热层的外侧壁靠近锅口处冲压形成带有第二凹槽的外环形凸台；
C.二次仿压成型:将外层受热层包裹在内层作业层外侧，使得凸台容置在第一凹槽内，内环形凸台容置在第二凹槽内，再采用冲压机将内层作业层和外层受热层冲压成一体式锅体。
本发明采用了以上方案具有以下有益效果：本发明通过高吨位压力下使铝合金或不锈钢与导磁层材料再次紧密粘合在一起，通过高吨位压力作用铝合金材料在冷固态下或者加热状态下流动，使多层结构连接更致密，分子结构更细 密排布，增加铝合金或不锈钢和导磁层材料的附着力；另外锅体多层复合钢材料一体成型，锅体的底部台阶和锅口设置的台阶对整个锅体进行了结构加强，使得在加强位置的受热变形大大减小，解决普通镶嵌式复底、全复底易脱落、易渗水、底凹测试不容易通过的难题。
附图说明
图1为背景技术中所述现有技术中的普通复底锅体剖视图。
图2为图1中锅体的爆炸图。
图3为本发明的锅体结构示意图。
图4为本发明中多层结构的锅体的爆炸图。
图5为图4中A处的放大图。
图6为图4中B处的放大图。
附图中各数字标号所指代的部位名称如下：1—锅体、11—内层作业层、12—外层受热层、121—底座、1211—第一凹槽、122—外环形凸台、1221—第二凹槽、3—凸台、4—内环形凸台、41—内环形凸台顶面、42—内环形凸台的侧面、43—内环形凸台的底面。
具体实施方式
下面结合附图与实施例对本发明作进一步详细描述。
实施例1
一种复合钢锅及，如图3-5所示，其包括锅体1，锅体1包括内层作业层11和由导磁材料制成的外层受热层12，内层作业层11的底部向下凸起形成锅底凸台3，外层受热层12的底部向下凸起形成底座121，底座121上设有第一凹槽1211；内层作业层11的外侧壁靠近锅口处设有内环形凸台4，外层受热层12的外侧壁靠近锅口处设有外环形凸台122，外环形凸台122的内侧设有第二 凹槽1221；外层受热层12包裹在内层作业层11外侧，凸台3容置在第一凹槽1211内，内环形凸台4容置在第二凹槽1221内。
内层作业层11的材料为不锈钢内层作业层或铝内层作业层。
锅体1的外底面为平面，锅底的厚度由中心向外侧逐渐增厚。
锅底凸台3与内层作业层11的外表面圆滑过渡。
外层受热层12为铁外层受热层或不锈钢外层受热层。
内环形凸台4的顶面41与锅口平齐，其侧面42为弧形面，弧形面的弧度与内层作业层11内表面相同高度处的弧度相同，其底面43与内层作业层11外表面圆滑过渡。
一种复合钢锅的制造工艺，其包括以下步骤：
A.片料涂油：采用涂油机对片料的两面进行涂油；
B.一次仿压成型：采用冲压机将涂油后的片料进行冲压形成内层作业层11，将内层作业层11的底部冲压形成锅底凸台3，并将内层作业层11的外侧壁靠近锅口处冲压形成内环形凸台4；再将涂油后的导磁的片料冲压形成外层受热层12，外层受热层12的底部向下冲压形成带有第一凹槽1211的底座121，并将外层受热层12的外侧壁靠近锅口处冲压形成带有第二凹槽1221的外环形凸台122；
C.二次仿压成型：将外层受热层12包裹在内层作业层11外侧，使得凸台3容置在第一凹槽1211内，内环形凸台4容置在第二凹槽1221内，再采用冲压机将内层作业层11和外层受热层12冲压成一体式锅体。
仿压成型时，采用高吨位压力，使得多层结构紧密粘合在一起。
对成品复合钢锅进行锅底凹底测试：1.测量锅体底部直径；2.用角度板在锅底画出八条线，各条线均穿过锅底的中心，每两条线线角度相差45°，在每条线上量出一个底凹量最大的点并记录八点的底凹尺寸；3.将锅体加热到 200℃，测量上述八个点的底凹尺寸，并算出变化值；4.底部直径内凹在0.3％-0.6％*直径，冷态室温状态下底部直径内凹在0.6％*直径以内的为合格产品。
实施例2
普通全复底(无孔复底)测试结果：
LGA-测试样底凹值
Figure PCTCN2019108059-appb-000001
实施例3
多层钢仿压锅测试结果：
LGA-测试样底凹值
Figure PCTCN2019108059-appb-000002
其中，实施例2和实施例3分别为普通全复底(无孔复底)锅和多层钢仿压锅测试数据。
通过以上数据可知本发明同普通电磁炉适用复底锅相比：本多层复合钢锅受热后底部不易变形，导磁面积大、导热更均匀。同普通全复底锅相比不会因为底部受热凸起导磁面积减小，失去热效率。本发明工艺同时覆盖：高吨位压力下使其它材料、铝合金与不锈钢或者导磁层材料再次紧密粘合在一起。通过高吨位压力作用使其它材料、铝合金材料在冷固态下或者加热状态下流动，使其它材料、铝合金密度更致密，分子结构更细密排布，同时增加铝合金与不锈钢或者导磁层材料的附着力。相比于现有技术中在锅底增加复合层，本申请中的复合钢锅的底层为全包围，其大大增加了散热效率，解决了不同材料间的散热不均衡问题，从而降低了底凹的概率。
总之，以上仅为本发明的较佳实施例，凡依本发明申请专利范围所作的均等变化与修饰，皆应属本发明专利的涵盖范围。

Claims (7)

  1. 一种复合钢锅，包括锅体(1)，其特征在于：锅体(1)包括内层作业层(11)和由导磁材料制成的外层受热层(12)，内层作业层(11)的底部向下凸起形成锅底凸台(3)，外层受热层(12)的底部向下凸起形成底座(121)，底座(121)上设有第一凹槽(1211)；内层作业层(11)的外侧壁靠近锅口处设有内环形凸台(4)，外层受热层(12)的外侧壁靠近锅口处设有外环形凸台(122)，外环形凸台(122)的内侧设有第二凹槽(1221)；外层受热层(12)包裹在内层作业层(11)外侧，凸台(3)容置在第一凹槽(1211)内，内环形凸台(4)容置在第二凹槽(1221)内。
  2. 根据权利要求1所述的一种复合钢锅，其特征在于：内层作业层(11)的材料为不锈钢内层作业层或铝内层作业层。
  3. 根据权利要求1所述的一种复合钢锅，其特征在于：锅体(1)的外底面为平面，锅底的厚度由中心向外侧逐渐增厚。
  4. 根据权利要求1所述的一种复合钢锅，其特征在于：锅底凸台(3)的外表面与内层作业层(11)的外表面连接处为弧形面。
  5. 根据权利要求1所述的一种复合钢锅，其特征在于：外层受热层(12)为铁制外层受热层或不锈钢制外层受热层。
  6. 根据权利要求1所述的一种复合钢锅，其特征在于：内环形凸台(4)的顶面(41)为锅口的顶面，内环形凸台(4)的侧面(42)为弧形面，内环形凸台(4)的底面(43)与内层作业层(11)的外表面连接处为弧形面。
  7. 一种复合钢锅制造工艺，其用于制造权利要求1-6任一项所述的复合钢锅，其特征在于，包括以下步骤：
    A.片料涂油：采用涂油机对片料的两面进行涂油；
    B.一次仿压成型：采用冲压机将涂油后的片料进行冲压形成内层作业层(11)，将内层作业层(11)的底部冲压形成锅底凸台(3)，并将内层作业层(11)的外侧壁靠近锅口处冲压形成内环形凸台(4)；再将涂油后的导磁的片料冲压形成外层受热层(12)，外层受热层(12)的底部向下冲压形成带有第一凹槽(1211)的底座(121)，并将外层受热层(12)的外侧壁靠近锅口处冲压形成带有第二凹槽(1221)的外环形凸台(122)；
    二次仿压成型：将外层受热层(12)包裹在内层作业层(11)外侧，使得凸台(3)容置在第一凹槽(1211)内，内环形凸台(4)容置在第二凹槽(1221)内，再采用冲压机将内层作业层(11)和外层受热层(12)冲压成一体式锅体。
PCT/CN2019/108059 2018-07-27 2019-09-26 一种复合钢锅及其制造工艺 WO2020020386A2 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810845383.0 2018-07-27
CN201810845383.0A CN108903595A (zh) 2018-07-27 2018-07-27 一种复合钢锅及其制造工艺

Publications (2)

Publication Number Publication Date
WO2020020386A2 true WO2020020386A2 (zh) 2020-01-30
WO2020020386A3 WO2020020386A3 (zh) 2020-08-06

Family

ID=64418691

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/108059 WO2020020386A2 (zh) 2018-07-27 2019-09-26 一种复合钢锅及其制造工艺

Country Status (2)

Country Link
CN (1) CN108903595A (zh)
WO (1) WO2020020386A2 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108903595A (zh) * 2018-07-27 2018-11-30 金华乐嘉厨具有限公司 一种复合钢锅及其制造工艺
CN112872225B (zh) * 2020-12-29 2022-08-30 瓯锟科技温州有限公司 一种金属复合锅具的连续化生产线
CN113068991B (zh) * 2021-03-03 2022-08-23 宁波喜尔美厨房用品有限公司 一种电磁加热低噪音不锈钢锅具及其制备方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07255607A (ja) * 1994-03-22 1995-10-09 Niyuumatetsuku:Kk 調理器具
US6648162B1 (en) * 2001-12-21 2003-11-18 Innovation Ip Holding Co. Button actuated pressure release and locking device for pressure cookers
CN1785101A (zh) * 2004-12-08 2006-06-14 周赛方 锅子及其生产方法
US20060289486A1 (en) * 2005-06-21 2006-12-28 Meyer Intellectual Properties Limited Cookware having a reinforced rim
CN101057741A (zh) * 2006-04-17 2007-10-24 胡千里 一种锅及其制造方法
CN201814359U (zh) * 2010-08-25 2011-05-04 戴桂芳 一种双层复合锅
CN201894540U (zh) * 2010-12-08 2011-07-13 新会盅盛金属有限公司 一种不粘锅
CN103349492B (zh) * 2013-07-15 2016-03-23 熊朝光 不锈钢不粘炒锅的制造方法及其产品
CN103783999A (zh) * 2014-01-16 2014-05-14 武义瑞普厨具有限公司 新型复合炊具及其制造方法
CN205162726U (zh) * 2015-10-16 2016-04-20 浙江三禾厨具有限公司 双层复合锅
CN205162824U (zh) * 2015-10-16 2016-04-20 浙江三禾厨具有限公司 新型复合锅
CN108903595A (zh) * 2018-07-27 2018-11-30 金华乐嘉厨具有限公司 一种复合钢锅及其制造工艺
CN209235719U (zh) * 2018-07-27 2019-08-13 金华乐嘉厨具有限公司 一种复合钢锅

Also Published As

Publication number Publication date
CN108903595A (zh) 2018-11-30
WO2020020386A3 (zh) 2020-08-06

Similar Documents

Publication Publication Date Title
WO2020020386A2 (zh) 一种复合钢锅及其制造工艺
WO2021147164A1 (zh) 一种多层复合锅具及其制造方法
CN205162726U (zh) 双层复合锅
CN201814359U (zh) 一种双层复合锅
CN206006885U (zh) 锅体和锅具
JP6459609B2 (ja) 真空二重容器
CN100496359C (zh) 三层复合板多种炉具通用的炊具及其制作方法
CN201015535Y (zh) 一种压铸复底锅
CN2801009Y (zh) 复合锅
CN102049605A (zh) 一种铝质锅底的铝钢复合工艺及应用该工艺的铝钢复合锅
CN205285955U (zh) 一种多用炒锅
KR102230574B1 (ko) 복합강 팬의 제조 방법
CN101438932A (zh) 一种电饭煲内锅及其制造方法
CN106419489B (zh) 一种钛或钛合金复合锅的制备方法
CN206137855U (zh) 多层复合底铝锅
CN205162824U (zh) 新型复合锅
CN104799675B (zh) 一种复合材料锅具及其制造方法
KR100394832B1 (ko) 알루미늄 도금강판을 이용한 프라이팬 및 그 제조방법
CN107550233A (zh) 一种铝锅及其新复底工艺
CN205162727U (zh) 复合复底锅
CN208081071U (zh) 一种铝锅
CN206761424U (zh) 内锅结构及烹饪器具
WO2020024418A1 (zh) 5g时代抗高频辐射与绝热能的声腔屏蔽罩
CN105290360A (zh) 一种复合底铝锅的生产工艺
CN219446258U (zh) 一种复底模具

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19841292

Country of ref document: EP

Kind code of ref document: A2

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19841292

Country of ref document: EP

Kind code of ref document: A2

122 Ep: pct application non-entry in european phase

Ref document number: 19841292

Country of ref document: EP

Kind code of ref document: A2

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 06/08/2021)

122 Ep: pct application non-entry in european phase

Ref document number: 19841292

Country of ref document: EP

Kind code of ref document: A2