CN102897441B - Heelpiece assembly - Google Patents
Heelpiece assembly Download PDFInfo
- Publication number
- CN102897441B CN102897441B CN201210429584.5A CN201210429584A CN102897441B CN 102897441 B CN102897441 B CN 102897441B CN 201210429584 A CN201210429584 A CN 201210429584A CN 102897441 B CN102897441 B CN 102897441B
- Authority
- CN
- China
- Prior art keywords
- heelpiece
- periphery wall
- base plate
- limit rib
- limited trough
- 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
Landscapes
- Refrigerator Housings (AREA)
Abstract
The invention discloses a kind of heelpiece assembly, comprise heelpiece and base plate.Wherein heelpiece is provided with position-limited trough.Base plate is located at the bottom of heelpiece for supporting heelpiece, and base plate is provided with the positioning plate coordinated with position-limited trough.Heelpiece assembly of the present invention; be suitable for when packing refrigerating apparatus such as refrigerator; be supported on the bottom protection refrigerator of refrigerator, and by offering position-limited trough on heelpiece, base plate arranged the positioning plate coordinated with position-limited trough; thus when assembling heelpiece assembly; can be fixed on base plate by heelpiece easily, efficiency of assembling be high, and assembling firmly; eliminate traditional adhesive tape simultaneously, greatly reduce cost.
Description
Technical field
The present invention relates to art of refrigeration units, especially relate to a kind of heelpiece assembly.
Background technology
The main material of current refrigerator industry inner packing heelpiece load-bearing is eps foam, in order to prevent eps foam heelpiece 1 ' broken in transfer, transportation, hollow sheeting can be set up as collet 2 ' in heelpiece 1 ' bottom, hollow sheeting collet 2 ' peripheral flanging 21 ' encases EPS heelpiece 1 ', as shown in Figure 8, then use adhesive tape 3 ' by periphery firm pasting.But, this fixed form is when heelpiece 1 ', flange 21 ' are dirtier, adhesive tape 3 ' can be caused to paste insecure, there is locally to get loose the phenomenon even all peeled off, affect packaging efficiency and the effect of refrigerator, and in the process of refrigerator transfer, transport, adhesive tape 3 ' is easy peeling off phenomenon also, thus cause hollow sheeting 2 ' to be separated with heelpiece 1 ', easily cause heelpiece 1 ' broken, time serious, directly affect refrigerator.
Summary of the invention
The present invention is intended at least to solve one of technical matters existed in prior art.For this reason, one object of the present invention is to propose a kind of heelpiece assembly, and described heelpiece assembly cost is low and assembling intensity is high.
According to heelpiece assembly of the present invention, comprising: heelpiece, described heelpiece is provided with position-limited trough; And base plate, described base plate is located at the bottom of described heelpiece for supporting described heelpiece, and described base plate is provided with the positioning plate coordinated with described position-limited trough.
According to heelpiece assembly of the present invention, by offering position-limited trough on heelpiece, base plate is arranged the positioning plate coordinated with position-limited trough, thus when assembling heelpiece assembly, can be fixed on base plate by heelpiece easily, efficiency of assembling be high, and assembling firmly, eliminate traditional adhesive tape simultaneously, greatly reduce cost.
In addition, according to heelpiece assembly of the present invention, following additional technical feature can also be had:
In one embodiment of the invention, described heelpiece and described base plate are general rectangular.
In one embodiment of the invention, described position-limited trough is the annular groove opened wide downwards.
In one embodiment of the invention, described positioning plate is to the plate body part of the contiguous described base plate outer peripheral face upwards flange that formed of punching press.
In one embodiment of the invention, the top of the periphery wall of described heelpiece is provided with the boss of the annular of outwardly described periphery wall, the lower surface of described boss is provided with the limit rib of annular, spaced a predetermined distance between the periphery wall of described limit rib and described heelpiece, wherein said position-limited trough is limited jointly by the periphery wall of described heelpiece and described limit rib.
In one embodiment of the invention, described limit rib reduces from bottom to up gradually near the distance between the bottom and described heelpiece periphery wall of the side of described heelpiece periphery wall.Thus, facilitate positioning plate to be plugged in position-limited trough, be conducive to improving efficiency of assembling.
In one embodiment of the invention, the eps foam part that is formed as one of described limit rib, described boss, described heelpiece.Thus, simplify manufacturing process, facilitate integral production to process.
In one embodiment of the invention, described heelpiece assembly also comprises reinforcement, and described reinforcement is located on the periphery wall of described limit rib and described boss.Thus, improve the intensity of limit rib, avoid limit rib to fracture and cause heelpiece to be separated with base plate.
In one embodiment of the invention, described reinforcement is metal sheet or plastic flagstone or eps foam plate.
In one embodiment of the invention, round-corner transition is passed through between the periphery wall of described heelpiece and the bottom surface of described heelpiece.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the birds-eye view of heelpiece assembly according to an embodiment of the invention;
Fig. 2 is the cutaway view along A-A in Fig. 1;
Fig. 3 is the partial enlarged drawing of heelpiece;
Fig. 4 is the cutaway view along B-B in Fig. 1;
Fig. 5 is the rear perspective view of heelpiece according to an embodiment of the invention;
Fig. 6 is the schematic diagram after heelpiece assembly, refrigerator, packed in cases;
Fig. 7 is the enlarged drawing that Fig. 6 centre circle shows C portion;
Fig. 8 is the partial schematic diagram of existing heelpiece assembly.
Description of reference numerals:
Heelpiece assembly 100;
Refrigerator 200, carton 210, strap 220;
Heelpiece 1, position-limited trough 11, boss 12, limit rib 13, oblique angle 14;
Base plate 2, positioning plate 21.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " cw ", orientation or the position relationship of the instruction such as " conter clockwise " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
Describe the heelpiece assembly 100 according to the embodiment of the present invention below with reference to Fig. 1-Fig. 7, heelpiece assembly 100 is suitable for when packing refrigerating apparatus such as refrigerator 200, and be supported on the bottom protection refrigerator 200 of refrigerator 200, in other words, refrigerator 200 is fixed on heelpiece assembly 100.
Heelpiece assembly 100 according to an embodiment of the invention, comprises heelpiece 1 and base plate 2.Wherein heelpiece 1 is provided with position-limited trough 11, base plate 2 is located at the bottom of heelpiece 1 for supporting heelpiece 1, base plate 2 is provided with the positioning plate 21 coordinated with position-limited trough 11, thus when installing heelpiece 1 and base plate 2, can directly the positioning plate 21 on base plate 2 be plugged in the position-limited trough 11 of heelpiece 1, realize the fixing, easy to operate of heelpiece 1 and base plate 2, and fixed.
According to the heelpiece assembly 100 of the embodiment of the present invention, by offering position-limited trough 11 on heelpiece 1, base plate 2 is arranged the positioning plate 21 coordinated with position-limited trough 11, thus when assembling heelpiece assembly 100, can be fixed on a base plate 2 by heelpiece 1 easily, efficiency of assembling is high, and assembling firmly, eliminate traditional adhesive tape simultaneously, greatly reduce cost.
As shown in Figure 1 and Figure 5, heelpiece 1 is general rectangular, and that is, heelpiece 1 is general rectangular heelpiece 1, and accordingly, base plate 2 is general rectangular, and namely base plate 2 is general rectangular plate.
In preferred embodiments more of the present invention, positioning plate 21 is that in other words, positioning plate 21 is for dividing the flange carrying out Sheet Metal Forming Technology and formed to the board body part of base plate 2 outer edge to the plate body part of the contiguous base plate 2 outer peripheral face upwards flange that formed of punching press.Certainly, be understandable that, base plate 2 and positioning plate 21 also can be the Plastic Parts that integrated injection molding is formed, such as, be PP moulding.
With reference to Fig. 2-Fig. 4, the top of the periphery wall of heelpiece 1 is provided with the boss 12 of the annular of outwardly heelpiece periphery wall, that is, boss 12 is annular and is located at the top of the periphery wall of heelpiece 1, the periphery wall of boss 12 outwardly heelpiece 1 diametrically, the end face of boss 12 preferably with the either flush of heelpiece 1, the bottom surface of boss 12 and the bottom surface of heelpiece 1 are spaced apart vertical, such as in a preferred embodiment of the invention, the spacing between the bottom surface of boss 12 and the bottom surface of heelpiece 1 is 35mm.
As shown in figs 2-4, the lower surface of boss 12 is provided with the limit rib 13 of annular, spaced a predetermined distance between the periphery wall of limit rib 13 and heelpiece 1, and wherein position-limited trough 11 is limited jointly by the periphery wall of heelpiece 1 and limit rib 13.Specifically, limit rib 13 is located at the lower surface of boss 12 and downward definite length extended, the width of limit rib 13 is less than the width of annular boss 12, the periphery wall of limit rib 13 is preferably concordant with the periphery wall of boss 12, the internal face of limit rib 13 and the periphery wall of heelpiece 1 spaced apart thus limit above-mentioned position-limited trough 11 between, position-limited trough 11 is the annular groove opened wide downwards.Certainly, be understandable that, the periphery wall of limit rib 13 also can be positioned at the inner side of boss 12 periphery wall, and such as limit rib 13 is located at the middle part of boss 12 lower surface.
Preferably, as shown in Figure 4, limit rib 13 reduces from bottom to up gradually near the distance between the bottom and heelpiece periphery wall of the side of heelpiece 1 periphery wall, in other words, distance between the hypomere of limit rib 13 madial wall and heelpiece periphery wall reduces from bottom to up gradually, that is, the epimere of this hypomere and limit rib 13 madial wall can be arc transition, can certainly be formed as the oblique angle 14 shown in Fig. 4.Thus, when assembling heelpiece assembly 100, can more easily positioning plate 21 be plugged in position-limited trough 11, improve efficiency of assembling.It should be noted that, the bottom in above-mentioned is that the muscle body of contiguous limit rib 13 lower surface divides.
Such as, in a preferred embodiment of the invention, angle between oblique angle 14 and horizontal surface is 75 °, limit rib 13 is 15mm in the length on vertical, vertical distance between the bottom surface of limit rib 13 and the bottom surface of heelpiece 1 is 20mm, the radial width of limit rib 13 is 10mm, the height at oblique angle 14 is 5mm, as shown in figs. 4 and 7, thus, after by refrigerating apparatus, such as refrigerator 200 is supported on heelpiece assembly 100, at the outside of refrigerator 200 cover upper paper box 210, then by strap 220, heelpiece assembly 100 and carton 210 are fixed together, strap 220 can not directly fasten heelpiece 1, thus avoid heelpiece 1 occurs strangling trace, vertical distance simultaneously between the bottom surface of limit rib 13 and the bottom surface of heelpiece is 20mm, when packaged refrigerator 200 is just put, owing to there is height visual angle, user can't directly see heelpiece 1, thus improve the overall appearance of refrigerator 200.
In order to improve the efficiency of assembling of heelpiece assembly 100 further, by round-corner transition between the periphery wall of heelpiece 1 and the bottom surface of heelpiece 1, as shown in Figure 4.Certainly, between the periphery wall of heelpiece 1 and the bottom surface of heelpiece 1 also by chamfered transition.
Preferably, the EPS(ExpandablePolystyrene that limit rib 13, boss 12, heelpiece 1 are formed as one, expandable polystyrene) foam element.Thus, simplify production technology, facilitate overall processing manufacture, reduce cost, improve intensity simultaneously.
Because the quality of refrigerating apparatus such as refrigerator 200 is larger, therefore when refrigerator 200 is supported on heelpiece 1, in transfer, in transportation, refrigerator 200 may be applied to the larger power of heelpiece 1 one or owing to colliding with, jolt, the factors such as vibrations make base plate 2 be subject to a larger power, thus cause producing relative motion trend between heelpiece 1 and base plate 2, when refrigerator 200 is applied to the power of heelpiece 1 or other effect external force is on a base plate 2 excessive, limit rib 13 may be directly caused to rupture, positioning plate 21 departs from position-limited trough 11 and coordinates, in view of this, preferably, heelpiece assembly 100 also comprises reinforcement (scheming not shown), reinforcement can be located on the periphery wall of limit rib 13 and boss 12.
Specifically, reinforcement can be formed as tabular part, and its part is sticked on the periphery wall of limit rib 13, and another part is sticked on the periphery wall of boss 12, greatly can improve the intensity of limit rib 13 thus, avoid limit rib 13 to fracture and cause base plate 2 to be separated with heelpiece 1.Reinforcement can be metal piece such as metal sheet, metal sheet is pasted on the periphery wall of limit rib 13 and the periphery wall of boss 12 by adhesive agent, metal sheet is preferably formed to annular, in other words, metal sheet circumferentially can be pasted on the whole periphery wall of limit rib 13 and the whole periphery wall of boss 12.Certainly, metal sheet also can be multiple and circumferentially be spaced on the periphery wall of periphery wall and the boss 12 of turning up the soil and being evenly distributed on limit rib 13.
Certainly, the present invention is not limited to this, in another embodiment of the present invention, reinforcement also can be eps foam plate, eps foam plate can be formed as annular and circumferentially be located on the whole periphery wall of limit rib 13 and the whole periphery wall of boss 12, and eps foam plate also can be multiple and circumferentially be spaced on the periphery wall of periphery wall and the boss 12 of turning up the soil and being evenly distributed on limit rib 13.Eps foam plate is preferably integrally formed with limit rib 13, boss 12, heelpiece 1, certainly, is understandable that, eps foam plate also can be processed separately, and the mode then by pasting is pasted on the periphery wall of limit rib 13 and the periphery wall of boss 12.In yet another embodiment of the present invention, reinforcement also can be plastic flagstone, and the set-up mode of plastic flagstone can be identical with the set-up mode of above-mentioned metal sheet, eps foam plate, no longer describes in detail at this.
In preferred embodiments more of the present invention, the width of positioning plate 21 can slightly larger than the groove width of position-limited trough 11, in other words, positioning plate 21 thickness is radially slightly larger than the width of position-limited trough 11, when positioning plate 21 is fastened in position-limited trough 11 thus, form the situation of similar axis hole interference fit, thus base plate 2 and heelpiece 1 are fixed together more securely.Certainly, be understandable that, also can smear adhesive agent between the cell wall of positioning plate 21 and position-limited trough 11 to improve the constant intensity of the two further.
According to the heelpiece assembly 100 of the embodiment of the present invention, owing to not needing to use adhesive tape sticking heelpiece 1 and base plate 2, therefore there will not be the phenomenon that adhesive tape local gets loose, peels off, and heelpiece assembly 100 efficiency of assembling of the present invention is high, and be applicable to various refrigerating apparatus such as refrigerator 200, refrigerator-freezer, beverage cabinet, wine cabinet etc.
In the description of this specification sheets, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (6)
1. a heelpiece assembly, is characterized in that, comprising:
Heelpiece, described heelpiece is provided with position-limited trough; And
Base plate, described base plate is located at the bottom of described heelpiece for supporting described heelpiece, described base plate is provided with the positioning plate coordinated with described position-limited trough, the top of the periphery wall of described heelpiece is provided with the boss of the annular of outwardly described periphery wall, the lower surface of described boss is provided with the limit rib of annular, spaced a predetermined distance between the periphery wall of described limit rib and described heelpiece, wherein said position-limited trough is limited jointly by the periphery wall of described heelpiece and described limit rib; Described positioning plate is to the plate body part of the contiguous described base plate outer peripheral face upwards flange that formed of punching press;
Described limit rib reduces from bottom to up gradually near the distance between the bottom and described heelpiece periphery wall of the side of described heelpiece periphery wall;
Reinforcement, described reinforcement is located on the periphery wall of described limit rib and described boss.
2. heelpiece assembly according to claim 1, is characterized in that, described heelpiece and described base plate are general rectangular.
3. heelpiece assembly according to claim 1, is characterized in that, described position-limited trough is the annular groove opened wide downwards.
4. heelpiece assembly according to claim 1, is characterized in that, the eps foam part that described limit rib, described boss and described heelpiece are formed as one.
5. heelpiece assembly according to claim 1, is characterized in that, described reinforcement is metal sheet or plastic flagstone or eps foam plate.
6. the heelpiece assembly according to any one of claim 1-5, is characterized in that, passes through round-corner transition between the periphery wall of described heelpiece and the bottom surface of described heelpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210429584.5A CN102897441B (en) | 2012-10-31 | 2012-10-31 | Heelpiece assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210429584.5A CN102897441B (en) | 2012-10-31 | 2012-10-31 | Heelpiece assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102897441A CN102897441A (en) | 2013-01-30 |
| CN102897441B true CN102897441B (en) | 2016-01-13 |
Family
ID=47569989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210429584.5A Active CN102897441B (en) | 2012-10-31 | 2012-10-31 | Heelpiece assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102897441B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407701B (en) * | 2013-06-09 | 2016-06-08 | 合肥美的电冰箱有限公司 | For the packing base wad assembly of refrigerator |
| CN103552770B (en) * | 2013-11-11 | 2015-11-25 | 合肥美的电冰箱有限公司 | Packaging base assembly and preparation method thereof |
| CN107553880A (en) * | 2017-10-07 | 2018-01-09 | 阳铭 | Integrated chassis heelpiece and its mould, manufacturing equipment and method |
| CN110422430B (en) * | 2019-08-01 | 2020-10-30 | 珠海格力电器股份有限公司 | Packaging base, bottom packaging structure and household appliance packaging assembly |
| CN110895081A (en) * | 2019-12-24 | 2020-03-20 | 长虹美菱股份有限公司 | A base is assembled to plastic uptake shell for refrigerator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0950612A1 (en) * | 1998-04-18 | 1999-10-20 | Flexible Reinforcements, Ltd. | Reusable protection system |
| CN2730795Y (en) * | 2004-08-19 | 2005-10-05 | 广东科龙电器股份有限公司 | Package structure |
| CN201099481Y (en) * | 2007-10-15 | 2008-08-13 | 海信（北京）电器有限公司 | Package bottom structure of refrigerator and ice chest |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2761143B2 (en) * | 1992-04-10 | 1998-06-04 | 株式会社東芝 | Package |
| JP2000335557A (en) * | 1999-05-25 | 2000-12-05 | Sanyo Electric Co Ltd | Packing equipment |
| JP2002053194A (en) * | 2000-08-11 | 2002-02-19 | Fujitsu General Ltd | Packing apparatus |
-
2012
- 2012-10-31 CN CN201210429584.5A patent/CN102897441B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0950612A1 (en) * | 1998-04-18 | 1999-10-20 | Flexible Reinforcements, Ltd. | Reusable protection system |
| CN2730795Y (en) * | 2004-08-19 | 2005-10-05 | 广东科龙电器股份有限公司 | Package structure |
| CN201099481Y (en) * | 2007-10-15 | 2008-08-13 | 海信（北京）电器有限公司 | Package bottom structure of refrigerator and ice chest |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102897441A (en) | 2013-01-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102897441B (en) | Heelpiece assembly | |
| CN103552770B (en) | Packaging base assembly and preparation method thereof | |
| US20140110912A1 (en) | Barrel Cooler With Components Assembleable on Site | |
| CN203101681U (en) | A SC optical fiber connector radio frequency label device | |
| CN202470578U (en) | Refrigerator | |
| CN203064312U (en) | Tea caddy structure | |
| CN104061730B (en) | Refrigerator | |
| CN107945384A (en) | A kind of tray of automatic vending machine | |
| CN202163708U (en) | Package box | |
| CN204115381U (en) | For wine frame and the refrigerator with this wine frame of refrigerator | |
| CN201825308U (en) | Packaging box with fixing device | |
| RU2012123743A (en) | CONTAINER FOR TRANSPORTATION OF FOOD | |
| CN202695920U (en) | Light-emitting diode permanent seat | |
| CN202267308U (en) | Refrigerator head cover | |
| CN102544876A (en) | Composite panel of ground socket and production process thereof | |
| CN203601803U (en) | Packaging base assembly | |
| CN207860810U (en) | Antistatic turnover pallet component | |
| CN204718289U (en) | Temperature-sensitive cassette holder and refrigerator | |
| CN204438532U (en) | For water heater water tank and there is its water heater | |
| CN202582024U (en) | Freezer enclosure frame | |
| JP2014118197A (en) | Packaging container composed of container body and lid body | |
| CN203977158U (en) | For the postnotum of roller washing machine with there is its roller washing machine | |
| CN202234404U (en) | Food container with strengthened structure | |
| CN204896331U (en) | Base packaging structure of outer machine of air -conditioner | |
| WO2017177512A1 (en) | Liquid crystal panel packing case |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |