CN218197859U - Automobile door plate - Google Patents
Automobile door plate Download PDFInfo
- Publication number
- CN218197859U CN218197859U CN202221563191.9U CN202221563191U CN218197859U CN 218197859 U CN218197859 U CN 218197859U CN 202221563191 U CN202221563191 U CN 202221563191U CN 218197859 U CN218197859 U CN 218197859U
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- plate
- door panel
- inner door
- door plate
- door plant
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 39
- 230000002787 reinforcement Effects 0.000 claims abstract description 6
- 239000002131 composite material Substances 0.000 claims description 22
- 239000004743 Polypropylene Substances 0.000 claims description 19
- -1 polypropylene Polymers 0.000 claims description 19
- 229920001155 polypropylene Polymers 0.000 claims description 19
- 239000011199 continuous fiber reinforced thermoplastic Substances 0.000 claims description 17
- 238000001746 injection moulding Methods 0.000 claims description 10
- 238000007723 die pressing method Methods 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims 1
- 229920000297 Rayon Polymers 0.000 abstract description 12
- 230000001771 impaired effect Effects 0.000 abstract description 4
- 238000004026 adhesive bonding Methods 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000004308 accommodation Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 239000004918 carbon fiber reinforced polymer Substances 0.000 description 3
- 239000010985 leather Substances 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 238000004512 die casting Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model belongs to the technical field of the car, a car door plant is provided, include: an inner door panel; the outer door plate and the inner door plate are connected together in the areas of the outer edges of the outer door plate and the inner door plate through gluing, and an accommodating space is formed between the inner door plate and the outer door plate; the reinforcing assembly is adhered in the accommodating space and provided with a waist beam reinforcing plate and an anti-collision rod, the waist beam reinforcing plate is adhered to the upper part of the inner door plate, and the anti-collision rod is obliquely connected to the inner door plate. Compared with the prior art, the utility model has the advantages of all be connected through the viscose between this car door plant's outer door plant and interior door plant and reinforcement assembly and the interior door plant, the viscose is connected and can be made whole glued face all bear load, alleviates structure weight and surperficial smooth pleasing to the eye, sets up the holding power that the waist rail reinforcing plate can increase door plant upper portion on the whole on the interior door plant, connects sealed door plant upper portion that can be fine through the viscose, and the crash bar can reduce the impaired degree of hindering of door plant when the collision.
Description
Technical Field
The utility model belongs to the technical field of the car, concretely relates to car door plant.
Background
The automobile door plate is a passage for a driver and passengers to get in and out of the automobile, and can isolate the interference outside the automobile, lighten the side impact to a certain extent and protect passengers. The automobile door has good quality, wherein the important point is that the opening and closing and the installation of the automobile door are convenient, but the main problems of the existing automobile are that the hardness is not high, white marks are easy to be kicked, scratched or scratched in the using process of a user, the scratch resistance of the automobile door is not good, and the whole automobile inner door plate is heavy, is not beneficial to installation and has larger improvement space.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem to prior art's current situation, and provide an automobile door plant.
In order to solve the technical scheme problem, the utility model provides an automobile door plate, include: an inner door panel;
the outer door plate and the inner door plate are connected together in the areas of the outer edges of the outer door plate and the inner door plate through glue, and an accommodating space is formed between the inner door plate and the outer door plate;
the reinforcing assembly is adhered to the accommodating space and provided with a waist beam reinforcing plate and an anti-collision rod, the waist beam reinforcing plate is adhered to the upper portion of the inner door plate, and the anti-collision rod is obliquely connected to the inner door plate.
In the above-mentioned automobile door panel, the outer door panel includes a first part and a second part that are attached to each other, the first part is a base frame part of the outer door panel, and the second part is a layer-spreading reinforcement part or a clown part of the outer door panel.
In the above automobile door panel, the first portion is made of polypropylene, the second portion is made of a continuous fiber reinforced thermoplastic composite material, the second portion is laid on the inner side of the first portion and forms an inner side structure of the outer door panel, the thickness of the first portion is 2-3 mm, the thickness of the second portion is 0.4mm, the first portion is formed by injection molding, and the second portion is formed by die pressing.
In the above automobile door panel, the first part is made of a continuous fiber reinforced thermoplastic composite material, the second part is made of polypropylene, the second part is laid at the peripheral edge of the first part, the thickness of the first part is 1.5-2 mm, the first part is formed by die pressing, and the second part is formed by injection molding.
In the above-mentioned automobile door panel, the outer side of the first portion is a smooth plane or a frosted surface.
In the foregoing automobile door panel, the inner door panel includes an inner door panel body and an appearance portion, the inner door panel body is a continuous fiber reinforced thermoplastic composite, and the appearance portion is disposed around the inner door panel body and forms a semi-enclosed structure.
In the above-described automobile door panel, the exterior part is provided as a continuous fiber reinforced thermoplastic composite, the surface of the exterior part has skin lines, and the inner door panel body and the exterior part are integrally molded.
In the above-mentioned automobile door panel, the appearance part is a polypropylene piece, and the inner door panel body and the appearance part are integrally formed by mold pressing and injection molding.
In the above automobile door panel, the inner door panel body includes a first functional portion, a second functional portion and a connecting portion, the first functional portion and the second functional portion are correspondingly disposed left and right, the first functional portion is connected to the second functional portion through the connecting portion, the first functional portion and the second functional portion are both made of continuous fiber reinforced thermoplastic composite members, and the connecting portion is made of polypropylene members.
In foretell car door plant, be connected with the planking reinforcing plate on the waist rail reinforcing plate, the planking reinforcing plate with the inside up end viscose of outer door plant, be provided with the handle on the outer door plant, be provided with the handle hole on the outer door plant, the handle with the position in handle hole corresponds, interior door plant one side adhesion has the connection reinforcing plate, crash bar one end with connect reinforcing plate threaded connection, be provided with the mounting panel on the interior door plant, the mounting panel with crash bar's other end threaded connection.
Compared with the prior art, the utility model discloses mainly there is following advantage:
(1) The outer door plate and the inner door plate as well as the reinforcing component and the inner door plate are connected through the viscose, and the viscose connection can enable the whole gluing surface to bear load, so that the structure weight is reduced, and the surface is smooth and attractive.
(2) Set up the holding power that the waist rail reinforcing plate can increase door plant upper portion on the whole on the interior door plant, connect sealed door plant upper portion that can be fine through the viscose, slope installation crash bar on the accommodation space of interior door plant, the crash bar can reduce the door plant impaired degree when the collision to and the crash bar slope sets up can the stability enhancement.
(3) Select for use the first portion that continuous fibers reinforcing thermoplasticity combined material made to strengthen the structural strength of whole outer door plant to need to lay in the appearance problems such as deckle edge, the incision is inhomogeneous of solution continuous fibers reinforcing thermoplasticity combined material in process of production that can be fine at the edge all around of first portion with polypropylene.
(4) The inner door plate body is set to be a carbon fiber reinforced thermoplastic composite part and is surrounded by the appearance part to form a semi-surrounding structure, so that the thermal expansion coefficient is reduced, the strength is increased, and the production cost and the product weight are reduced.
(5) The appearance portion is set as the carbon fiber heat increasing thermoplastic composite part with the skin grain on the surface, the inner door plate body and the appearance portion are integrally molded, secondary processing is not needed, and air in the vehicle cannot be polluted.
(6) The inner door panel body and the appearance part are integrally formed through mould pressing and injection molding, and the appearance part formed by a polypropylene piece does not need to be subjected to dermatoglyph treatment.
(7) The manufacturing process of respectively carrying out compression molding on the first functional part and the second functional part and then carrying out injection molding on the connecting part and the appearance part is simpler, has lower manufacturing requirements and is more convenient to realize.
Drawings
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, in which:
FIG. 1 is an exploded view of an automotive door panel;
FIG. 2 is an exploded view of another perspective of an automotive door panel;
FIG. 3 is a perspective view of a first embodiment of an outer door panel;
FIG. 4 isbase:Sub>A schematic cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is a schematic cross-sectional view taken along line B-B of FIG. 3;
FIG. 6 is a perspective view of a second embodiment of an outer door panel;
FIG. 7 is a sectional view taken along line C-C of FIG. 6;
FIG. 8 is a cross-sectional view taken along line D-D of FIG. 6;
FIG. 9 is a perspective view of a first embodiment of an inner door panel;
FIG. 10 is a perspective view of a second inner door panel embodiment;
FIG. 11 is a schematic view of the structure of section E-E of FIG. 10;
FIG. 12 is a schematic structural view of a third embodiment of an inner door panel.
In the figure, 1, an inner door panel body; 2. an outer door panel; 3. a wale reinforcement plate; 4. an anti-collision bar; 5. A first portion; 6. a second portion; 7. an appearance part; 8. a first functional part; 9. a second function section; 10. a connecting portion; 11. an outer panel reinforcement plate; 12. a handle; 13. a handle hole; 14. connecting the reinforcing plate; 15. and (7) mounting the plate.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1 and fig. 2, the utility model discloses an automobile door panel, include: an inner door panel; outer door plant 2, outer door plant 2 and interior door plant are in the same place through adhesive bonding in the region of its outward flange separately, are formed with accommodation space between interior door plant and the outer door plant 2, strengthen the subassembly adhesion in accommodation space, strengthen the subassembly and have wale reinforcing plate 3 and crash bar 4, and 3 adhesions of wale reinforcing plate are on interior door plant upper portion, and 4 inclinations of crash bar are connected on interior door plant.
Automobile door panel is whole to be become by interior door plant and outer door plant 2, all be connected through the viscose between outer door plant 2 and interior door plant and reinforcement assembly and the interior door plant, the viscose is connected and to be made whole glued face all bear load, alleviate structure weight and surperficial smooth pleasing to the eye, interior door plant upper portion links together with outer door plant 2 through setting up waist rail reinforcing plate 3 and planking reinforcing plate 11, can increase the holding power on door plant upper portion on the whole, connect sealed door plant upper portion that can be fine through the viscose, slope installation crash bar 4 in the accommodation space of interior door plant, crash bar 4 can reduce the impaired degree of door plant when the collision, and 4 slopes of crash bar set up and can increase stability.
As shown in fig. 3, 4 and 5, the outer door panel 2 includes a first portion 5 and a second portion 6 attached to each other, the first portion 5 is a basic frame portion of the outer door panel 2, the second portion 6 is a layer-spreading reinforcing portion or a clown portion of the outer door panel 2, and both the first portion 5 and the second portion 6 are made of non-metal materials, so as to achieve the purposes of reducing the overall weight of the door and reducing the manufacturing cost of the vehicle.
Based on the design concept, the specific structure of the outer door panel 2 may have the following two embodiments:
example one
The material of the first part 5 is polypropylene, the material of the second part 6 is continuous fiber reinforced thermoplastic composite material, the second part 6 is laid on the inner side of the first part 5 and forms the inner side structure of the outer door panel 2, the thickness of the first part 5 is 2-3 mm, the thickness of the second part 6 is 0.4mm, the first part 5 is formed by injection molding, and the second part 6 is formed by die pressing.
When the outer door panel 2 basic frame is made of polypropylene materials, the outer door panel 2 can have good appearance performance, but the outer door panel 2 base material made of polypropylene has a large expansion coefficient, the size change range of the outer door panel 2 is large under the influence of alternating temperature, and the clearance surface difference of a vehicle body can be further influenced.
Example two
As shown in fig. 6, 7 and 8, the material of the first part 5 is a continuous fiber reinforced thermoplastic composite material, the material of the second part 6 is polypropylene, the second part 6 is laid at the peripheral edge of the first part 5, the thickness of the first part 5 is 1.5-2 mm, the first part 5 is formed by die pressing, and the second part 6 is formed by injection molding.
The whole body of the 5 basic frames of the first part adopts continuous fiber reinforced thermoplastic composite materials to form the whole appearance of the outer door plate 2 through a die pressing process, the continuous fiber reinforced thermoplastic materials can generate burrs at the edge notches after being formed into the shape of the outer door plate 2 through the die pressing process, the notches are uneven and other appearance problems, in the scheme, polypropylene is selected as the material of the second part 6, the second part 6 is injected at the peripheral edges of the first part 5 to effectively solve the problems, the whole outer door plate 2 has a beautiful outer surface, the further optimization is realized, the thickness of the first part 5 is 1.5-2 mm, and the thickness of the second part 6 can be determined according to the fit clearance between the outer door plate 2 and the rest parts of the automobile door plate.
It is further preferred that the outside of the first portion 5 is a smooth flat or frosted surface.
The inner door plate comprises an inner door plate body 1 and an appearance part 7, wherein the inner door plate body 1 is a continuous fiber reinforced thermoplastic composite part, and the appearance part 7 is arranged around the inner door plate body 1 and forms a semi-enclosed structure.
The inner door plate 1 is arranged as a carbon fiber reinforced thermoplastic composite part and is provided with the appearance part 7 to surround the composite part to form a semi-surrounding structure, so that the thermal expansion coefficient is reduced, the strength is increased, and the production cost and the product weight are reduced.
Based on the design concept, the specific structure of the inner door panel can have the following three embodiments
Example one
As shown in fig. 9, the exterior part 7 is formed as a continuous fiber reinforced thermoplastic composite material, the surface of the exterior part 7 has skin lines, and the inner door panel body 1 and the exterior part 7 are integrally molded.
The general automobile inner door plate is wrapped by leather, the wrapped leather needs to be subjected to secondary processing after injection molding, the process is complex, the cost is high, and the leather made of polyvinyl chloride can emit pungent smell to pollute the air in an automobile. In the present embodiment, the exterior part 7 is formed as a carbon fiber-reinforced thermoplastic composite member having a skin grain on the surface thereof, and the inner door panel body 1 and the exterior part 7 are integrally molded without secondary processing, so that air in the vehicle is not polluted.
Example two
As shown in fig. 10 and 11, the exterior portion 7 is formed of polypropylene, and the inner door panel body 1 and the exterior portion 7 are integrally molded by die-casting.
In contrast to the inner door panel embodiment, the outer appearance part 7 is provided as a polypropylene piece.
In the present embodiment, the inner door panel body 1 and the design portion 7 are integrally molded by die-casting, and the design portion 7 made of a polypropylene material does not need to be skin-textured.
EXAMPLE III
As shown in fig. 12, different from embodiment 1, the inner door panel is provided in a split manner, specifically, the inner door panel body 1 includes a first functional portion 8, a second functional portion 9, and a connecting portion 10, the first functional portion 8 and the second functional portion 9 are provided in a left-right correspondence, the first functional portion 8 is connected to the second functional portion 9 through the connecting portion 10, both the first functional portion 8 and the second functional portion 9 are provided as continuous fiber reinforced thermoplastic composite members, and the connecting portion 10 is provided as a polypropylene member.
Specifically, because need install hinge, stopper and lock, first function portion 8 and second function portion 9 need higher intensity, set up first function portion 8 and second function portion 9 into carbon fiber and add the thermoplastic composite member at least, connecting portion 10 is located between first function portion 8 and second function portion 9, and first function portion 8 and second function portion 9 pass through connecting portion 10 to be connected, and connecting portion 10 is used for first function portion 8 and second function portion 9, and is lower to the intensity requirement.
Be connected with planking reinforcing plate 11 on wale reinforcing plate 3, the inside up end viscose of planking reinforcing plate 11 and outer door plant 2 is provided with handle 12 on the outer door plant 2, is provided with handle hole 13 on the outer door plant, and handle 12 corresponds with the position in handle hole 13, and interior door plant one side adhesion has connection reinforcing plate 14, 4 one ends of crash bar with be connected 14 threaded connection of reinforcing plate, be provided with mounting panel 15 on the interior door plant, the other end threaded connection of mounting panel 15 and crash bar 4.
Set up behind planking reinforcing plate 11 on wale reinforcing plate 3 and link together with outer door plant 2, the holding power on door plant upper portion can be increased on the whole, connect sealed door plant upper portion that can be fine through the viscose, the part correspondence of unblanking is installed on handle hole 13 on outer door plant 2, when the door plant is opened to needs, open the door plant through handle 12, handle 12 is pulled the one end of back near door plant department to the rotation in handle hole 13, slope installation crash bar 4 on the accommodation space of inner door plant, the one end threaded connection of crash bar 4 is on connecting reinforcing plate 14, set up mounting panel 15 on inner door plant, in this scheme, it distributes to be the slope with mounting panel 15 to connect reinforcing plate 14, the crash bar 4 other end is connected on mounting panel 15, crash bar 4 can reduce the impaired degree of door plant when the collision, and crash bar 4 slope sets up and can increase stability.
It should be noted that all the directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
Furthermore, the descriptions in the present application as to "first," "second," "a," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "secured" are to be construed broadly, and thus, for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In addition, the technical solutions of the embodiments of the present invention can be combined with each other, but it is necessary to use a person skilled in the art to realize the basis, and when the technical solutions are combined and contradictory to each other or cannot be realized, the combination of the technical solutions should not exist, and is not within the protection scope of the present invention.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein will be apparent to those skilled in the art without departing from the scope and spirit of the invention as defined in the accompanying claims.
Claims (10)
1. An automotive door panel, comprising:
an inner door panel;
the outer door plate and the inner door plate are connected together in the areas of the outer edges of the outer door plate and the inner door plate through glue, and an accommodating space is formed between the inner door plate and the outer door plate;
the reinforcing assembly is adhered to the inside of the accommodating space and provided with a waist rail reinforcing plate and an anti-collision rod, the waist rail reinforcing plate is adhered to the upper portion of the inner door plate, and the anti-collision rod is obliquely connected to the inner door plate.
2. The automobile door panel according to claim 1, wherein the outer door panel comprises a first portion and a second portion attached to each other, the first portion is a base frame portion of the outer door panel, and the second portion is a ply reinforcement portion or a clown portion of the outer door panel.
3. The automotive door panel according to claim 2, wherein the first portion is made of polypropylene, the second portion is made of a continuous fiber reinforced thermoplastic composite material, the second portion is laid on the inner side of the first portion and forms an inner structure of the outer door panel, the thickness of the first portion is 2-3 mm, the thickness of the second portion is 0.4mm, the first portion is formed by injection molding, and the second portion is formed by die pressing.
4. The automotive door panel according to claim 2, wherein the first portion is made of a continuous fiber reinforced thermoplastic composite material, the second portion is made of polypropylene, the second portion is laid on the peripheral edge of the first portion, the thickness of the first portion is 1.5-2 mm, the first portion is formed by die pressing, and the second portion is formed by injection molding.
5. The automotive door panel of claim 2, wherein the first portion outer side is smooth or frosted.
6. The automotive door panel of claim 1, wherein the inner door panel includes an inner door panel body that is a continuous fiber reinforced thermoplastic composite and an appearance portion disposed about the inner door panel body and forming a semi-enclosed structure.
7. The door panel according to claim 6, wherein the exterior portion is provided as a continuous fiber reinforced thermoplastic composite, the exterior portion has a skin grain on a surface thereof, and the inner door panel body and the exterior portion are integrally molded.
8. The door panel according to claim 6, wherein the exterior portion is formed as a polypropylene member, and the inner door panel body and the exterior portion are integrally formed by press molding.
9. The automobile door panel according to claim 6, wherein the inner door panel body comprises a first functional portion, a second functional portion and a connecting portion, the first functional portion and the second functional portion are arranged in a left-right correspondence, the first functional portion is connected with the second functional portion through the connecting portion, the first functional portion and the second functional portion are both arranged as a continuous fiber reinforced thermoplastic composite, and the connecting portion is arranged as a polypropylene member.
10. The automobile door plate according to claim 1, wherein an outer plate reinforcing plate is connected to the waist rail reinforcing plate, the outer plate reinforcing plate is glued to the upper end face of the inside of the outer door plate, a handle is arranged on the outer door plate, a handle hole is formed in the outer door plate, the handle corresponds to the handle hole in position, a connection reinforcing plate is glued to one side of the inner door plate, one end of the anti-collision rod is in threaded connection with the connection reinforcing plate, a mounting plate is arranged on the inner door plate, and the mounting plate is in threaded connection with the other end of the anti-collision rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221563191.9U CN218197859U (en) | 2022-06-21 | 2022-06-21 | Automobile door plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221563191.9U CN218197859U (en) | 2022-06-21 | 2022-06-21 | Automobile door plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218197859U true CN218197859U (en) | 2023-01-03 |
Family
ID=84648566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221563191.9U Active CN218197859U (en) | 2022-06-21 | 2022-06-21 | Automobile door plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218197859U (en) |
-
2022
- 2022-06-21 CN CN202221563191.9U patent/CN218197859U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: NINGBO MINTH AUTOMOTIVE PARTS RESEARCH&DEVELOPMENT Co.,Ltd. Assignor: NINGBO XINTAI MACHINERY Co.,Ltd. Contract record no.: X2023980053787 Denomination of utility model: A type of car door panel Granted publication date: 20230103 License type: Common License Record date: 20231225 |