CN216776746U - Door body subassembly and food cooking equipment - Google Patents
Door body subassembly and food cooking equipment Download PDFInfo
- Publication number
- CN216776746U CN216776746U CN202122746790.6U CN202122746790U CN216776746U CN 216776746 U CN216776746 U CN 216776746U CN 202122746790 U CN202122746790 U CN 202122746790U CN 216776746 U CN216776746 U CN 216776746U
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- sealing
- door body
- outer frame
- body assembly
- periphery
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- 238000010411 cooking Methods 0.000 title abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 141
- 238000002360 preparation method Methods 0.000 claims abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 12
- 239000000741 silica gel Substances 0.000 abstract description 12
- 229910002027 silica gel Inorganic materials 0.000 abstract description 12
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000007711 solidification Methods 0.000 abstract description 3
- 230000008023 solidification Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 14
- 238000001125 extrusion Methods 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Securing Of Glass Panes Or The Like (AREA)
Abstract
The utility model relates to the field of door body sealing, and particularly discloses a door body assembly and food cooking equipment. The door body assembly adopts a detachable mode to fix the sealing ring, so that the sealing ring does not need to be adhered by silica gel, special silica gel equipment, a placing station and silica gel solidification preparation time are not needed, and the manufacturing and installation cost is favorably reduced. In addition, the outer frame, the sealing ring and the inner plate are fixed in a detachable mode, so that subsequent maintenance and disassembly are facilitated, and the maintenance cost is reduced. The first positioning piece and the second positioning piece are connected and fixed in an inserting mode, so that the sealing ring is not easy to separate, and the sealing performance of the door body assembly is favorably ensured.
Description
Technical Field
The utility model relates to the field of door body sealing, in particular to a door body assembly and food cooking equipment.
Background
Some heating appliances, such as food cooking devices such as steam ovens, generally require a sealing feature of the door assembly to prevent steam leakage or heat dissipation. Most of sealing measures adopted by door body components in the prior art are that a sealing ring is wrapped around glass, and then the glass surrounding the sealing ring around is adhered to a door frame by silica gel. The sealing method needs special silica gel equipment and needs long standing time (for example, more than 8 hours), so the cost is high. In addition, the fixed mode of silica gel adhesion is not detachable, so that the maintainability is poor, and the door body assembly is difficult to replace and maintain when damaged.
Therefore, how to provide a door body assembly, which can realize the detachable connection of the door body assembly under the condition of ensuring the sealing performance.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the present invention provides a door assembly, which includes an outer frame, a sealing ring and an inner plate, wherein the outer frame surrounds the outer periphery of the inner plate, the sealing ring is connected between the inner periphery of the outer frame and the outer periphery of the inner plate, preferably, the outer periphery of the sealing ring is provided with a plurality of first positioning members, the inner periphery of the outer frame is provided with a plurality of second positioning members, and the first positioning members and the second positioning members are inserted and fixed.
According to the technical scheme, the first positioning piece and the second positioning piece are connected and fixed in an inserting mode, so that the sealing ring is not easy to be separated from the outer frame, and the sealing performance of the door body assembly is favorably ensured. The door body assembly adopts a detachable mode to fix the sealing ring, so that the sealing ring is not required to be adhered by silica gel, special silica gel equipment, a placing station and silica gel solidification preparation time are not required, and the connection mode of plugging and fixing is very convenient to assemble, thereby being beneficial to reducing the manufacturing and installation cost. In addition, the outer frame, the sealing ring and the inner plate are fixed in a detachable mode, so that subsequent maintenance and disassembly are facilitated, and the maintenance cost is reduced.
Preferably, the first positioning member is a positioning cylinder extending outward from the outer periphery of the sealing ring, the second positioning member is a positioning column disposed on the inner periphery of the outer frame, and the positioning column is inserted into a hole in the center of the positioning cylinder and is fixedly connected with the positioning cylinder.
According to the technical scheme, the positioning cylinder of the sealing ring is matched with the positioning column of the outer frame, and the positioning column is inserted into the positioning cylinder, so that the sealing ring can be firmly connected with the outer frame, and the sealing ring is further provided with positioning and limiting functions for the sealing ring.
Preferably, the sealing ring includes a first sealing portion, a second sealing portion and a third sealing portion, the first sealing portion is connected to an outer edge of the second sealing portion and extends in a direction inclined or perpendicular to the second sealing portion, the second sealing portion is parallel to the inner plate, two side surfaces of the second sealing portion are respectively attached to the inner plate and the outer frame, the third sealing portion is inclined or perpendicular to the second sealing portion, and the third sealing portion is attached to an inner edge of the outer frame.
According to the technical scheme, the first sealing portion and the second sealing portion limit the installation position of the inner plate, the positioning effect on the inner plate is achieved, and the installation stability of the inner plate is guaranteed. The second sealing portion and the third sealing portion are attached to the outer frame, so that the contact area of the sealing ring and the outer frame is increased, the connection stability of the sealing ring and the outer frame is improved, and the sealing effect of the sealing ring is also improved. The tortuous structure that forms between second sealing portion, third sealing portion and the frame can avoid vapor to get into from the clearance between frame and the sealing washer to door body group spare's sealed effect has been improved.
Preferably, the outer frame further includes a catching groove portion and a catching hook portion for clamping the inner plate, the catching groove portion and the catching hook portion being oppositely disposed at an inner periphery of the outer frame.
According to the technical scheme, the clamping groove part and the clamping hook part are both used for limiting the inner plate, and the clamping hook part or the clamping groove part which generates elastic deformation can facilitate the disassembly and the assembly of the inner plate in the process of assembling or disassembling the inner plate.
Preferably, the seal ring further comprises an arc-shaped seal surface formed by extending the third seal portion in a direction away from the inner plate.
According to the technical scheme, the arc-shaped sealing surface has a large sealing area, when the door frame on one side of the door body assembly is extruded, the arc-shaped sealing surface can deform and abut against the door frame, the sealing effect between the door frame and the door body assembly is improved, and meanwhile, due to the arc-shaped structure of the arc-shaped sealing surface, the arc-shaped sealing ring has certain buffering and deformation capacity.
Preferably, one side of the outer frame, which faces away from the inner plate, is formed with a placing groove for accommodating the flattened arc-shaped sealing surface.
According to above-mentioned technical scheme, the frame is formed with the standing groove and makes the arc seal face receive the extrusion and can hold in the standing groove when being flattened, avoids the arc seal face to receive excessive extrusion and damage, is favorable to prolonging the life of sealing washer.
Preferably, the inner periphery of the outer frame is provided with a boss portion, and the boss portion is attached to the first sealing portion.
According to the technical scheme, the boss part has a certain height, the contact area of the outer frame and the first sealing part is increased, the outer frame is kept stable in fixed matching with the sealing ring, and meanwhile, the sealing effect can be improved.
Preferably, the outer circumference of the first sealing part is formed with a concave part, and the inner circumference of the outer frame is formed with a convex part, the concave part matching with the convex part.
According to the technical scheme, the concave part is matched with the convex part, so that the outer frame has the limiting and positioning effects on the first sealing part, the sealing ring can be accurately installed at the specified position, and the random movement of the sealing ring can be avoided.
Preferably, the sealing ring further comprises a necking part connecting the positioning cylinder and the first sealing part, a limiting rib is formed on the inner periphery of the outer frame, and a notch for the necking part to pass through is formed in the limiting rib.
According to the technical scheme, the limiting ribs limit the moving range of the necking part, so that the necking part and the notch are matched to limit and position the sealing ring.
The utility model also provides food cooking equipment which comprises the door body assembly.
According to above-mentioned technical scheme, above-mentioned door body group spare is easily the dismouting and the leakproofness is better, is fit for being applied to food cooking equipment. The food cooking equipment using the door body assembly can avoid the overflow of water vapor through the door body assembly of the food cooking equipment or prevent the heat from dissipating to the external space through the door body assembly.
Drawings
Fig. 1 is an exploded perspective view of a door assembly according to an embodiment of the present invention.
Fig. 2 is an enlarged view at a of fig. 1.
Fig. 3 is a front view of a door body assembly according to an embodiment of the present invention.
Fig. 4 is a sectional view at B-B of fig. 3.
Fig. 5 is an enlarged view at C of fig. 4.
Reference numerals:
1, an outer frame; 11 a second positioning member; 12 positioning columns; 13 a slot part; 14 a hook portion; 15 placing the groove; 16 boss portions; 17 a projection; 18 limiting ribs; 181 of a notch; 2, sealing rings; 21 a first positioning member; 22 positioning the cylinder; 23 a first seal portion; 231 a recessed portion; 232 a necked-down portion; 24 a second seal portion; 25 a third seal portion; 26 an arcuate sealing surface; 3 inner panel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides a door body assembly, and fig. 1 is an exploded perspective view of the door body assembly according to an embodiment of the utility model, as shown in fig. 1, the door body assembly includes an outer frame 1, a sealing ring 2 and an inner plate 3, the outer frame 1 surrounds the outer periphery of the inner plate 3, and the sealing ring 2 is connected between the inner periphery of the outer frame 1 and the outer periphery of the inner plate 3.
Fig. 2 is an enlarged view of a portion a in fig. 1, and as shown in fig. 2, a plurality of first positioning members 21 are disposed on an outer periphery of the gasket 2, a plurality of second positioning members 11 are disposed on an inner periphery of the outer frame 1, and the first positioning members 21 and the second positioning members 11 are inserted and fixed. A plurality of first locating parts 21 and a plurality of second locating part 11 cooperate fixedly for sealing washer 2 is difficult for deviating from, is favorable to improving location effect and the fixed effect to sealing washer 2.
The first positioning element 21 and the second positioning element 11 are inserted and fixed, so that the outer frame 1 is connected with the sealing ring 2, and the inner plate 3 is limited and fixed by the outer frame 1 and the sealing ring 2, and the fixing mode is a detachable fixing mode. Therefore, the silica gel adhesion sealing ring 2 is not needed to be used, special silica gel equipment and a placing station are not needed, the silica gel solidification preparation time is not needed, the connection mode of inserting and fixing is very convenient to assemble, and the manufacturing and installation cost is reduced. In addition, frame 1, sealing washer 2 and inner panel 3 are fixed with dismantled and assembled mode, make things convenient for subsequent maintenance to change, are favorable to reducing cost of maintenance.
In the present embodiment, the first positioning member 21 is a positioning cylinder 22 extending outward from the outer periphery of the gasket 2, the second positioning member 11 is a positioning post 12 disposed on the inner periphery of the outer frame 1, and the positioning post 12 is inserted into a hole in the center of the positioning cylinder 22 and fixedly connected to the positioning cylinder 22. The positioning cylinder 22 of the sealing ring 2 is matched with the positioning column 12 of the outer frame 1, and the positioning column 12 is inserted into the positioning cylinder 22, so that the sealing ring 2 can be firmly connected with the outer frame 1.
In other embodiments of the present invention, the positioning column 12 may be disposed on the sealing ring 2, and the positioning cylinder 22 may be disposed on the outer frame 1. In addition, the shapes of the first positioning member 21 and the second positioning member 11 are not limited to circular, and may be other shapes, which are not specifically limited herein.
With continued reference to fig. 2, the sealing ring 2 further has a necking portion 232 connecting the positioning cylinder 22 and the first sealing portion 23, a limiting rib 18 is formed on the inner periphery of the outer frame 1, a notch 181 for the necking portion 232 to pass through is formed on the limiting rib 18, and the necking portion 232 and the notch 181 are matched to limit and position the sealing ring 2.
In this embodiment, a semicircular concave portion 231 is formed on the outer periphery of the sealing ring 2, a semicircular convex portion 17 is formed on the inner periphery of the outer frame 1, and the shape and size of the concave portion 231 match those of the convex portion 17, so that the outer frame 1 can further achieve the effects of limiting and positioning the first sealing portion 23. Therefore, on one hand, the sealing ring 2 can be conveniently and accurately installed to the target position, and on the other hand, the sealing ring 2 can be restrained from moving randomly after being installed.
In conclusion, the first positioning element 21 is fixedly matched with the second positioning element 11 (i.e. the positioning column 12 and the positioning cylinder 22), the necking part 232 is matched with the limiting rib 18, and the concave part 231 is matched with the convex part 17 between the outer frame 1 and the sealing ring 2, so that the door frame and the sealing ring 2 are stably connected by the multiple-structure clamping and inserting fixing mode, and the sealing performance of the door body assembly is effectively ensured.
In the present embodiment, the seal ring 2 has a higher hardness than a common elastic seal ring. Because the structure of the sealing ring 2 in the embodiment is complex, the sealing ring is not suitable for being made of softer materials in order to ensure the stable structure and the sealing effect of the sealing ring 2. The sealing ring 2 with certain hardness can enable the sealing ring 2 to be more firmly connected and matched with the door frame and the inner plate 3, and the sealing performance of the door body assembly is improved.
The inner plate 3 in this embodiment is transparent glass, so that the door body assembly has a transparent visible part, and the door body assembly can be used for facilitating a user to observe the internal condition of the equipment provided with the door body assembly through the door body assembly inner plate 3. In other embodiments of the present invention, the inner plate 3 may be made of an opaque common panel or other suitable materials, which are not limited in this regard.
Fig. 3 is a front view of the door body assembly in an assembled state according to an embodiment of the present invention, and as shown in fig. 3, the outer frame 1 further includes a locking groove portion 13 and a locking hook portion 14 for clamping the inner panel 3, the locking groove portion 13 and the locking hook portion 14 are oppositely disposed on the inner periphery of the outer frame 1, the locking groove portion 13 is disposed on the inner periphery upper edge of the outer frame 1, and the locking hook portion 14 is disposed on the inner periphery lower edge of the outer frame 1, in other embodiments, the locking groove portion 13 may be disposed on the inner periphery lower edge of the outer frame 1, and the locking hook portion 14 may be disposed on the inner periphery upper edge of the outer frame 1, or the locking groove portion 13 and the locking hook portion 14 may be respectively disposed on the left and right sides of the outer frame 1. The arrangement of the bayonet portion 13 facing the bayonet portion 14 means that the notch of the bayonet portion 13 faces the hook extending direction of the bayonet portion 14 to firmly clamp the inner panel 3 from both sides.
In the present embodiment, the hook portion 14 is a hard member, and the groove portion 13 is an elastic member. The catch portion 13 and the catch portion 14 are used for limiting the inner panel 3. The oppositely arranged slot part 13 and hook part 14 make it possible to apply force to take out or put in the inner plate 3 at one end of the slot part 13 in the process of mounting or dismounting the inner plate 3. In the process of mounting or dismounting the inner plate 3, the clamping groove part 13 which generates elastic deformation can facilitate the dismounting of the inner plate 3. In other embodiments, the hook portion 14 may be an elastic member, which is not limited in the present invention.
Fig. 4 is a sectional view at B-B of fig. 3, and fig. 5 is an enlarged view at C of fig. 4, and as shown in fig. 5, specifically, the seal ring 2 includes a first seal portion 23, a second seal portion 24, and a third seal portion 25. The inner periphery of the outer frame 1 is provided with a boss portion 16, and the boss portion 16 is vertically attached to the first seal portion 23. Since the boss portion 16 has a certain height in the left-right direction in fig. 5, the contact area between the outer frame 1 and the first sealing portion 23 is increased, and the boss portion 16 can form a more stable support for the first sealing portion 23, so that the fixed fit between the outer frame 1 and the seal ring 2 is kept stable, and the sealing effect can be improved.
The first sealing portion 23 is attached to the boss portion 16 of the outer frame 1, and the mounting position of the inner plate 3 is further limited on the side away from the outer frame 1, so that the inner plate 3 is prevented from moving randomly in the door body assembly, and the stability of the sealing ring 2 and the inner plate 3 in matching and fixing is improved.
The first sealing portion 23 is formed with a second sealing portion 24 extending in a direction parallel to the inner panel 3, and both side surfaces (left and right side surfaces) of the second sealing portion 24 are respectively bonded to the inner panel 3 and the outer frame 1, and in the present embodiment, the third sealing portion 25 is perpendicular to the second sealing portion 24, and the third sealing portion 25 is bonded to the inner edge of the outer frame 1. Second sealing portion 24 forms "L" shape structure with third sealing portion 25 and laminates with frame 1, has increased the area of contact of sealing washer 2 with frame 1, "L" shape structure tortuous for inside steam is difficult to get into door body group spare along the tortuous clearance between sealing washer 2 and the frame 1 more, has improved the sealed effect of sealing washer 2 from this.
The second sealing portion 24 is attached to one side (left side in fig. 5) of the inner panel 3, and the locking portion 13 and the locking portion 14 (shown in fig. 3) clamp the other side (right side in fig. 5) of the inner panel 3, and both sides of the inner panel 3 are limited and fixed, so that the connection stability of the inner panel 3 in the door frame assembly is ensured.
In other embodiments of the present invention, the third sealing portion 25 is not limited to be disposed perpendicular to the second sealing portion 24, and may be disposed in an inclined manner at other angles.
Sealing washer 2 still includes the sealed face 26 of arc that extends the formation by third sealing portion 25 dorsad from 3 directions of inner panel, and the sealed face 26 of arc has great seal area, and when the extrusion of the door frame that receives the cavity of door body group spare one side, the sealed face of arc can be deformed and butt door frame, improves the sealed effect between door frame and the door body group spare. Meanwhile, due to the arc-shaped structure of the arc-shaped sealing surface 26, the arc-shaped sealing ring 26 has certain buffering and deformation capacities. Frame 1 is formed with standing groove 15 and makes the sealed face 26 of arc receive the extrusion and can hold in standing groove 15 when being flattened, avoids the sealed face 26 of arc to receive excessive extrusion and damage, prolongs the life of sealing washer 2 when being favorable to guaranteeing sealed effect.
The door body assembly provided by the utility model can be applied to food cooking equipment and used as a door body of the food cooking equipment. Food cooking equipment can be microwave oven, evaporate roast all-in-one etc. and need use the product of door body subassembly, do not specifically limit here.
The door body subassembly is easily dismouting and the leakproofness is better, consequently is fit for being applied to the food cooking equipment who has higher requirement to sealing performance, can avoid vapor to spill over or avoid thermal dissipation from food cooking equipment's inside. The characteristic of the easy dismouting of door body group spare also makes things convenient for the door body group spare to food cooking equipment to maintain change and clean.
In addition, the inner plate 3 in this embodiment may be a glass panel, which facilitates the observation of the food during cooking, and in other embodiments, the inner plate 3 may be a transparent or opaque inner plate made of any other suitable material.
Those of skill in the art will appreciate that the specific features of the various embodiments may be adaptively separated or combined. Such splitting or combining of specific features does not cause the technical solutions to deviate from the principle of the present invention, and therefore, the technical solutions after splitting or combining will fall within the protection scope of the present invention. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a door body subassembly, includes frame, sealing washer and inner panel, the frame centers on the periphery of inner panel, the sealing washer connect in the inner periphery of frame and between the periphery of inner panel, its characterized in that, the periphery of sealing washer is provided with a plurality of first setting elements, the inner periphery of frame is provided with a plurality of second setting elements, first setting element with the second setting element connects the socket and fixes.
2. The door body assembly according to claim 1, wherein the first positioning member is a positioning cylinder extending outward from an outer periphery of the sealing ring, the second positioning member is a positioning column disposed on an inner periphery of the outer frame, and the positioning column is inserted into a hole in a center of the positioning cylinder and is fixedly connected with the positioning cylinder.
3. The door body assembly according to claim 2, wherein the gasket includes a first sealing portion, a second sealing portion, and a third sealing portion,
the first sealing part is connected to an outer edge of the second sealing part and extends in a direction inclined or perpendicular to the second sealing part,
the second sealing part is parallel to the inner plate, two side surfaces of the second sealing part are respectively attached to the inner plate and the outer frame,
the third sealing part is inclined or vertical to the second sealing part, and the third sealing part is attached to the inner edge of the outer frame.
4. The door body assembly according to claim 3, wherein the outer frame further includes a catching groove portion and a catching hook portion for catching the inner panel, and the catching groove portion and the catching hook portion are oppositely disposed on an inner periphery of the outer frame.
5. The door body assembly according to claim 3, wherein the seal ring further includes an arcuate seal surface formed by the third seal portion extending away from the inner panel.
6. The door body assembly of claim 5, wherein a receiving groove is formed in a side of the outer frame facing away from the inner panel for receiving the flattened arcuate seal surface.
7. The door body assembly according to claim 3, wherein the outer frame is provided at an inner periphery thereof with a boss portion, and the boss portion is attached to the first sealing portion.
8. The door body assembly according to claim 3, wherein the first sealing portion is formed at an outer periphery thereof with a recess, and the outer frame is formed at an inner periphery thereof with a projection, the recess being matched with the projection.
9. The door body assembly according to claim 3, wherein the gasket further includes a necked-down portion connecting the positioning cylinder and the first sealing portion, and a limiting rib is formed on an inner periphery of the outer frame, and a notch is formed on the limiting rib for the necked-down portion to pass through.
10. A food preparation apparatus, comprising the door body assembly according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122746790.6U CN216776746U (en) | 2021-11-10 | 2021-11-10 | Door body subassembly and food cooking equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122746790.6U CN216776746U (en) | 2021-11-10 | 2021-11-10 | Door body subassembly and food cooking equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216776746U true CN216776746U (en) | 2022-06-21 |
Family
ID=82004011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122746790.6U Active CN216776746U (en) | 2021-11-10 | 2021-11-10 | Door body subassembly and food cooking equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216776746U (en) |
-
2021
- 2021-11-10 CN CN202122746790.6U patent/CN216776746U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240308 Address after: No. 369 Chenggong Road, Jiaxing Economic and Technological Development Zone, Zhejiang Province, 314001 Patentee after: Panasonic Kitchen Appliances Technology (Jiaxing) Co.,Ltd. Country or region after: China Address before: 201203 No. 898 East Dragon Road, Shanghai, Pudong New Area Patentee before: PANASONIC APPLIANCES MICROWAVE OVEN (SHANGHAI) CHINA Co.,Ltd. Country or region before: China |