CN114260653B - Energy-gathering heat-insulation pot frame and production process thereof - Google Patents
Energy-gathering heat-insulation pot frame and production process thereof Download PDFInfo
- Publication number
- CN114260653B CN114260653B CN202111604006.6A CN202111604006A CN114260653B CN 114260653 B CN114260653 B CN 114260653B CN 202111604006 A CN202111604006 A CN 202111604006A CN 114260653 B CN114260653 B CN 114260653B
- Authority
- CN
- China
- Prior art keywords
- cover plate
- energy
- heat
- heat insulation
- upper cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Cookers (AREA)
Abstract
The application relates to a production process of an energy-gathering heat-insulation pot frame, which comprises a first step of forming an upper cover plate and a lower cover plate of the pot frame respectively through a die; secondly, forming the heat insulation layer by stamping through a die; thirdly, the lower ends of the plurality of supporting lugs penetrate through the upper cover disc and extend to the lower part of the lower cover disc, and then the supporting lugs are welded and fixed; fourthly, placing the heat insulation layer on the lower cover plate, covering and installing the upper cover plate on the lower cover plate to form a hollow heat insulation cavity, wherein the heat insulation layer is located in the heat insulation cavity; and fifthly, forming an enamel coating or a high-temperature paint coating on the surface of the pot frame through a spraying process. The energy-gathering heat-insulating pot frame has the effects of improving the energy-gathering heat-insulating effect of the pot frame and improving the combustion efficiency of the combustor.
Description
Technical Field
The application relates to the technical field of pot frame processing technologies, in particular to an energy-gathering heat-insulating pot frame and a production technology thereof.
Background
In daily life, various pot racks are mounted on a gas stove, and in order to improve the heating efficiency of the gas stove and prevent the gas stove panel from being over-heated to damage parts inside a gas stove cavity, the pot racks generally have the functions of heat insulation and heat preservation.
Many pot racks in the prior art are manufactured into hollow structures, the hollow structures are generally composed of retainer rings of the pot racks and energy gathering rings of the pot racks, heat insulation air cavities are formed in the hollow structures, and the pot racks have the functions of heat insulation and heat preservation. But the thermal-insulated heat preservation effect of thermal-insulated air chamber is general, and current pot frame structure can not play the effect of reinforcing combustor combustion efficiency, and the function effect is single, is unfavorable for market competition.
Disclosure of Invention
Aiming at the defects of the technology, the application provides an energy-gathering heat-insulating pot frame and a production process thereof.
In a first aspect, the production process of the energy-gathering heat-insulation pot holder provided by the application adopts the following technical scheme:
a production process of an energy-gathering heat-insulation pot frame comprises the following steps:
s1: forming an upper cover plate and a lower cover plate of the pot frame respectively through a die;
s2: the heat insulation material is punched and cut through a die to form a heat insulation layer;
s3: the upper cover disc is provided with a plurality of supporting lug pieces, and the lower ends of the supporting lug pieces penetrate through
The upper cover disc extends to the lower part of the lower cover disc, and the supporting lug pieces are fixedly installed;
s4: placing the heat insulation layer on the lower cover plate, covering and installing the upper cover plate on the lower cover plate to form a hollow heat insulation cavity, wherein the heat insulation layer is filled in the heat insulation cavity;
s5: and forming an enamel coating or a high-temperature paint coating on the surface of the pot frame by a spraying process.
Preferably, in the S1 step, the upper cover plate and the lower cover plate are both formed into an annular structure in a stretching mode, a plurality of Bernoulli fluid vortex molding surfaces are integrally formed on the upper cover plate, a plurality of supporting legs are further integrally formed on the lower cover plate, and the supporting legs are of cavity structures.
Preferably, in the step S2, a supporting lug mounting hole through which the supporting lug can penetrate is punched on the heat insulating layer.
Preferably, in the step S3, the supporting lug is welded and fixed to the bottom surface of the upper cover plate. Preferably, in the step S1, an upper edge plate is formed on both the outer ring edge and the inner ring edge of the upper cover plate, and a lower edge plate is formed on both the outer ring edge and the inner ring edge of the lower cover plate; and in the step S4, the upper edge plate is bent and coated with and fixed to the lower edge plate.
Preferably, in the step S5, before the high-temperature paint coating is sprayed, the wok stand is subjected to sand blasting treatment, the surface roughness is 35 to 75 μm, and the wok stand is preheated.
Preferably, the thickness of the enamel coating is 50-60 μm, and the sintering temperature is 830-1140 ℃.
In a second aspect, the application provides an energy-gathering heat-insulating pot frame which is manufactured by adopting the production process of the energy-gathering heat-insulating pot frame.
Preferably, the bernoulli fluid vortex molding surface is of a structure with two flat ends and a raised middle part, the plurality of bernoulli fluid vortex molding surfaces are all bent towards the same side, and gas and air can spirally rise along the surface of the bernoulli fluid vortex molding surface.
Preferably, cushion blocks are arranged at the bottoms of the supporting legs of the pot frame.
In summary, the present application includes at least one of the following beneficial technical effects:
the upper cover plate and the lower cover plate of the wok stand are formed by one-step molding through the die, the die is used for stamping heat insulation raw materials to form a heat insulation layer, the heat insulation layer is filled into a heat insulation cavity formed by combining the upper cover plate and the lower cover plate, the wok stand has a better energy-gathering and heat insulation effect, an enamel coating or a high-temperature paint coating is sprayed on the surface of the wok stand to form the enamel coating or the high-temperature paint coating, the high-temperature resistance and corrosion resistance of the wok stand are enhanced, and meanwhile, a user can clean and wipe the surface of the wok stand conveniently.
In addition, in the step S1, the upper cover plate formed by the mold has a plurality of bernoulli fluid vortex molding surfaces which are raised and bent towards the same side, when the pot frame is installed on the gas stove, incompletely combusted gas ejected by the burner fire control can be further mixed with air and spirally lifted and ignited under the guiding action of the surfaces of the plurality of bernoulli fluid vortex molding surfaces, and the combustion efficiency of the burner can be further improved.
Drawings
Fig. 1 is a schematic overall structure diagram of the pot holder of the present application.
Fig. 2 is a schematic diagram of an explosive structure of the pot rack of the present application.
Fig. 3 is a schematic sectional structure view of the pot holder of the present application.
Fig. 4 is an enlarged schematic view of a portion a of fig. 3.
Description of the reference numerals: 1. a pot rack; 2. an upper cover plate; 3. a lower cover plate; 4. a thermal insulation layer; 5. a support tab; 6. a thermally insulating cavity; 7. a bernoulli fluid vortex molded surface; 8. supporting legs; 9. a support tab mounting hole; 10. an upper edge plate; 11. a lower edge plate; 12. and a cushion block.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, the meaning of a plurality is two or more, and greater than, less than, more than, etc. are understood as excluding the number, and greater than, less than, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless explicitly defined otherwise, the terms "disposed," "mounted," "connected," and the like are to be understood in a broad sense, and for example, may be directly connected or indirectly connected through an intermediate; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be a mechanical connection; either as communication within the two elements or as an interactive relationship of the two elements. The specific meaning of the above-mentioned words in the present invention can be reasonably determined by those skilled in the art in combination with the detailed contents of the technical solutions.
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a production process of an energy-gathering heat-insulating pot frame. Referring to fig. 1 to 4, the production process of the energy-gathering and heat-insulating pot frame includes the following steps:
s1: an upper cover plate 2 and a lower cover plate 3 of the pot frame 1 are respectively formed through a mould;
s2: the heat insulation material is punched and cut through a die to form a heat insulation layer 4;
s3: the upper cover disc 2 is provided with a plurality of supporting lugs 5, the lower ends of the supporting lugs 5 penetrate through the upper cover disc 2 and extend to the lower part of the lower cover disc 3, and the supporting lugs 5 are fixedly installed;
s4: placing the heat insulation layer 4 on the lower cover plate 3, covering and installing the upper cover plate 2 on the lower cover plate 3 to form a hollow heat insulation cavity 6, and filling the heat insulation layer 4 in the heat insulation cavity 6;
s5: and forming an enamel coating or a high-temperature paint coating on the surface of the wok stand 1 by a spraying process.
In the embodiment of the invention, the upper cover plate 2 and the lower cover plate 3 of the wok stand 1 are formed by one-step molding through a mold, the mold is used for stamping a heat insulation material to form a heat insulation layer 4, the heat insulation layer 4 is filled in a heat insulation cavity 6 formed by combining the upper cover plate 2 and the lower cover plate 3, so that the wok stand 1 has better energy-gathering and heat insulation effects, and then an enamel coating or a high-temperature paint coating is sprayed on the surface of the wok stand 1 to form the high-temperature resistance and the corrosion resistance of the wok stand 1, and simultaneously, a user can conveniently clean and wipe the surface of the wok stand 1.
In order to more clearly illustrate the technical solution of the present invention, the following description is made in the form of specific embodiments.
Examples
Referring to fig. 1 to 4, the energy-gathering and heat-insulating pot holder and the production process thereof according to the present invention includes the following steps:
s1; and respectively punching and stretching the SPCC cold plate material in a punching die to form an upper cover disc 2 and a lower cover disc 3. Wherein, upper cover dish 2 and lower cover dish 3 are the loop configuration, and upper cover dish 2 and 3 lids of lower cover dish close and to form a hollow thermal-insulated cavity 6, and the top surface undercut of upper cover dish 2 forms one and gathers the portion of gathering, and it still punches to form a plurality of towards the same side crooked bernoulli fluid vortex in S1 step and makes profile 7, and a plurality of bernoulli fluid vortex makes profile 7 all be the structure that the middle uplift is leveled at both ends, and every bernoulli fluid vortex makes profile 7 and gathers the portion bottom surface and all be provided with the transition fillet. In addition, in S1 step, still the punching press is formed with three supporting legs 8 with 3 integrated into one piece of lower cover dish on the lower cover dish 3, three supporting legs 8 along 3 circumference evenly distributed on the bottom surface of lower cover dish, and three supporting legs 8 are the cavity structure, and the cavity and the thermal-insulated cavity 6 of three supporting legs 8 are linked together.
S2: referring to fig. 1 and 2, the heat insulation layer 4 matched with the heat insulation cavity 6 is formed by punching the heat insulation cotton by using a punching die.
S3: referring to fig. 1 and 2, three supporting lugs 5 are disposed on the upper cover plate 2, and the mounting positions of the three supporting lugs 5 correspond to the positions of the three supporting legs 8 one by one. In the present embodiment, the support tab 5 is provided with a riveting portion, and the riveting portion can be fastened at the outer ring edge of the upper lid panel 2. In addition, in S1 step, the punching press of upper cover dish 2 position on gathering can the portion bottom surface and being formed with three support auricle mounting hole 9 that can supply support auricle 5 to wear to establish, three support auricle 5 'S lower extreme can wear to locate in supporting auricle mounting hole 9 and extend to upper cover dish 2 below, wear to locate three support auricle mounting hole 9 back respectively with three support auricle 5' S lower extreme, 2 bottom surfaces of welded fastening upper cover dish and support auricle 5, the welding part polishing is polished evenly. Meanwhile, in the step S2, three supporting lug mounting holes 9 through which the lower ends of the supporting lugs 5 can be inserted are also punched on the heat insulating layer 4.
S4: referring to fig. 2 and 4, in step S1, an upper edge plate 10 is stamped and formed at the outer ring edge and the inner ring edge of the upper cover plate 2, and a lower edge plate 11 is stamped and formed at the outer ring edge and the inner ring edge of the lower cover plate 3, in step S4, the heat insulation layer 4 is placed on the lower cover plate 3, and then the upper cover plate 2 is riveted to the lower cover plate 3 to form the pot holder 1, so that the heat insulation layer 4 is placed in the heat insulation cavity 6 on the pot holder 1. Specifically, in the present embodiment, the upper edge plate 10 is bent and covers the lower edge plate 11 by using a flanging machine, so as to achieve the covering and assembling between the upper tray 2 and the lower tray 3.
S5: the surface of the pot holder 1 is pretreated before being coated with enamel, and the pretreatment can adopt various methods such as degreasing, presintering, chromizing and the like, which are not described herein again. After the pretreatment is finished, the surface of the pot holder 1 is sprayed with glaze slurry by a wet spraying process, the pot holder 1 is dried after the spraying, the sintering process can be carried out after the moisture in the glaze slurry is volatilized, the sintering temperature is 830-1140 ℃, the thickness of the sintered enamel coating is 50-60 mu m, in the embodiment, the sintering temperature is 1060 ℃, and the thickness of the enamel coating is 57 mu m.
In addition, in other embodiments, the surface of the wok stand 1 may also be coated with a high temperature paint by a spraying process, and before the surface of the wok stand 1 is sprayed with the high temperature paint, the surface of the wok stand 1 needs to be subjected to sand blasting or shot blasting, so that the roughness Ra of the surface of the wok stand 1 is 35 to 75 μm, and may preferably be 62 μm. Then, the wok stand 1 is preheated, high-temperature paint is sprayed on the surface of the wok stand 1, and then the wok stand is dried to form a high-temperature paint coating.
Finally, the enamel coating of the wok stand 1 can be colored according to the needs of the user.
In addition, the application also provides an energy-gathering and heat-insulating pot holder, the production process of the energy-gathering and heat-insulating pot holder is consistent to that of the embodiment, and the pot holder 1 in the embodiment is installed on a liquid bearing disc of a gas cooker.
Referring to fig. 1 and 2, a cushion block 12 is further installed at the bottom of the supporting leg 8 of the pot holder 1.
Finally, referring to fig. 1 and fig. 2, in the present embodiment, the bernoulli fluid vortex modeling surface 7 is a structure with two flat ends and a raised middle, and a plurality of bernoulli fluid vortex modeling surfaces 7 are all bent towards the same side, so when the wok stand 1 of the present embodiment is installed on a gas cooker, after the gas ejected from the burner fire hole is ignited, the incompletely combusted gas can flow along the curved surface of the bernoulli fluid vortex modeling surface 7, thereby forming a spiral upward gas flow, and the gas can be further mixed with the air in the spiral rising process and then ignited, which can further improve the combustion efficiency of the burner, and meanwhile, the heat insulation cotton in the wok stand 1 can play a better heat insulation role, so that the heat is gathered above the wok stand 1, and most of the heat can only be transferred upwards, thereby enhancing the energy collection effect of the wok stand 1, greatly reducing the heat energy loss and the emission of harmful gas, greatly improving the heat efficiency of the gas cooker, and being beneficial to the realization of the "double carbon" goal.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The production process of the energy-gathering heat-insulating pot frame is characterized by comprising the following steps of:
s1: an upper cover plate (2) and a lower cover plate (3) of the pot frame (1) are respectively formed through a mould;
s2: the heat insulation material is cut through a die in a stamping mode to form a heat insulation layer (4);
s3: the upper cover disc (2) is provided with a plurality of supporting lugs (5), the lower ends of the supporting lugs (5) penetrate through the upper cover disc (2) and extend to the lower part of the lower cover disc (3), and the supporting lugs (5) are fixedly installed;
s4: placing the heat insulation layer (4) on the lower cover plate (3), covering and installing the upper cover plate (2) on the lower cover plate (3) to form a hollow heat insulation cavity (6), and filling the heat insulation layer (4) in the heat insulation cavity (6);
s5: forming an enamel coating or a high-temperature paint coating on the surface of the pot frame (1) by a spraying process;
the upper cover disc (2) is integrally formed with a plurality of Bernoulli fluid vortex molding surfaces (7), the Bernoulli fluid vortex molding surfaces (7) are of a structure with two flat ends and a raised middle part, and the Bernoulli fluid vortex molding surfaces (7) are raised and bent towards the same side; the Bernoulli fluid vortex molding surface (7) extends from the inner ring edge of the upper cover disc (2) to the outer ring edge, and the raised section gradually shrinks in size; the combustion gases and air can spiral up the surface of the bernoulli fluid vortex profiled surface (7).
2. The production process of the energy-gathering heat-insulating pot holder according to claim 1, characterized in that: in the S1 step, the upper cover plate (2) and the lower cover plate (3) are both formed into an annular structure in a stretching mode, a plurality of supporting legs (8) are further integrally formed on the lower cover plate (3), and the supporting legs (8) are of a cavity structure.
3. The production process of the energy-gathering heat-insulating pot holder according to claim 1, characterized in that: and in the step S2, a supporting lug piece mounting hole (9) through which the supporting lug piece (5) can penetrate is formed in the heat insulation layer (4) in a stamping mode.
4. The production process of the energy-gathering heat-insulating pot holder according to claim 1, characterized in that: and in the step S3, the supporting lug (5) is welded and fixed with the bottom surface of the upper cover disc (2).
5. The production process of the energy-gathering heat-insulating pot holder according to claim 1, characterized in that:
in the step S1, an upper edge plate (10) is formed on the outer ring edge and the inner ring edge of the upper cover disc (2), and a lower edge plate (11) is formed on the outer ring edge and the inner ring edge of the lower cover disc (3);
and in the step S4, the upper edge plate (10) is bent and covers and fixes the lower edge plate (11).
6. The production process of the energy-gathering heat-insulating pot holder according to claim 1, characterized in that: and in the step S5, before the high-temperature paint coating is sprayed, the wok stand (1) is subjected to sand blasting or shot blasting treatment, the surface roughness is 35-75 mu m, and the wok stand (1) is preheated.
7. The production process of the energy-gathering heat-insulating pot holder according to claim 1, characterized in that: the thickness of the enamel coating is 50-60 mu m, and the sintering temperature is 830-1140 ℃.
8. A shaped heat insulating pot holder, characterized in that it is manufactured by the production process according to any one of claims 1 to 7.
9. The energy-concentrating and heat-insulating pot holder according to claim 8, wherein: cushion blocks (12) are arranged at the bottoms of the supporting legs (8) of the pot frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111604006.6A CN114260653B (en) | 2021-12-24 | 2021-12-24 | Energy-gathering heat-insulation pot frame and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111604006.6A CN114260653B (en) | 2021-12-24 | 2021-12-24 | Energy-gathering heat-insulation pot frame and production process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114260653A CN114260653A (en) | 2022-04-01 |
| CN114260653B true CN114260653B (en) | 2023-04-07 |
Family
ID=80830247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111604006.6A Active CN114260653B (en) | 2021-12-24 | 2021-12-24 | Energy-gathering heat-insulation pot frame and production process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114260653B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204141653U (en) * | 2014-10-17 | 2015-02-04 | 吉首大学 | Radiation vane energy-saving cooker frame |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2115483U (en) * | 1992-03-31 | 1992-09-09 | 湘潭市江南金属制品厂 | Rotary flow type burner for gas stove |
| CN201899377U (en) * | 2010-08-27 | 2011-07-20 | 郭志君 | Energy-saving pot holder |
| CN203533556U (en) * | 2013-07-31 | 2014-04-09 | 何富有 | Furnace end |
| CN204213924U (en) * | 2014-10-16 | 2015-03-18 | 珠海格力电器股份有限公司 | A kind of energy-gathering burner and household gas range |
| CN204345748U (en) * | 2014-12-01 | 2015-05-20 | 李钦烈 | Cumulative energy-saving cooker frame |
| CN208907645U (en) * | 2018-10-18 | 2019-05-28 | 杭州老板电器股份有限公司 | Energy-gathering ring and gas-cooker |
| CN210165440U (en) * | 2019-04-11 | 2020-03-20 | 杭州老板电器股份有限公司 | Energy-gathering pot holder and gas stove |
| CN112393310A (en) * | 2019-08-16 | 2021-02-23 | 宁波方太厨具有限公司 | Heat shield for stove and gas stove with same |
| CN110410826A (en) * | 2019-08-23 | 2019-11-05 | 柳洪权 | A kind of energy conservation and environmental protection gas-cooker with coil-shaped bilayer recuperator |
| CN110608457B (en) * | 2019-09-29 | 2021-03-26 | 杭州老板电器股份有限公司 | Pot rack and manufacturing method thereof |
| CN111578345B (en) * | 2020-05-19 | 2021-06-18 | 宁波方太厨具有限公司 | Heat shield and cooker comprising same |
| CN213334563U (en) * | 2020-09-29 | 2021-06-01 | 九阳股份有限公司 | High-efficient adjustable components of a whole that can function independently gather can encircle pot frame |
| CN113237117B (en) * | 2021-05-27 | 2022-10-04 | 宁波方太厨具有限公司 | Energy gathering ring and stove burner |
-
2021
- 2021-12-24 CN CN202111604006.6A patent/CN114260653B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204141653U (en) * | 2014-10-17 | 2015-02-04 | 吉首大学 | Radiation vane energy-saving cooker frame |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114260653A (en) | 2022-04-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114260653B (en) | Energy-gathering heat-insulation pot frame and production process thereof | |
| CN205457999U (en) | Pot | |
| CN201968450U (en) | Dual-purpose pan for induction cooker and gas cooker | |
| CN212261044U (en) | Double-layer ceramic structure heat-insulating bowl | |
| CN201983314U (en) | Heat storage type energy-saving hearth ring | |
| CN219460854U (en) | Kitchen frying pan with high gas flame utilization rate | |
| CN112344396A (en) | Pot bracket component and infrared burner | |
| CN112353258A (en) | Pot and manufacturing method thereof | |
| CN219889599U (en) | Electric heating furnace | |
| CN218583219U (en) | Double-layer energy-gathering heat insulation furnace frame | |
| CN214038552U (en) | Pot bracket component and infrared burner | |
| CN212178974U (en) | Heat insulation cover for kitchen range | |
| CN217365428U (en) | Cooking pot | |
| CN216814259U (en) | Pot rack with energy-gathering and heat-insulating functions | |
| CN216521841U (en) | Heat insulation pot rack | |
| CN219756460U (en) | Pot rack with energy collecting disc and integrated kitchen range | |
| CN202166097U (en) | Gas stove water heater | |
| CN215909104U (en) | Pot rack and gas stove | |
| CN214791374U (en) | Heat shield for stove | |
| CN215502446U (en) | Non-stick pan without oil smoke | |
| CN2497667Y (en) | Energy-saving pot | |
| CN211299579U (en) | Electric oven with ceramic inner cavity | |
| CN209877011U (en) | Electric pottery stove heating element and electric pottery stove | |
| CN214038551U (en) | Pot bracket component and have its infrared burner | |
| CN207797126U (en) | gas cooker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |