CN112497779A - Production process of injection-molded printed floor mat - Google Patents
Production process of injection-molded printed floor mat Download PDFInfo
- Publication number
- CN112497779A CN112497779A CN202011113213.7A CN202011113213A CN112497779A CN 112497779 A CN112497779 A CN 112497779A CN 202011113213 A CN202011113213 A CN 202011113213A CN 112497779 A CN112497779 A CN 112497779A
- Authority
- CN
- China
- Prior art keywords
- injection
- printing
- floor mat
- plastic part
- printing machine
- 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.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
- B29C69/001—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore a shaping technique combined with cutting, e.g. in parts or slices combined with rearranging and joining the cut parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/0092—Drying moulded articles or half products, e.g. preforms, during or after moulding or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0011—Pre-treatment or treatment during printing of the recording material, e.g. heating, irradiating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0041—Digital printing on surfaces other than ordinary paper
- B41M5/0047—Digital printing on surfaces other than ordinary paper by ink-jet printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0041—Digital printing on surfaces other than ordinary paper
- B41M5/0064—Digital printing on surfaces other than ordinary paper on plastics, horn, rubber, or other organic polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C2045/1784—Component parts, details or accessories not otherwise provided for; Auxiliary operations not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
- B29K2027/06—PVC, i.e. polyvinylchloride
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of injection-molded printed floor mat production, and discloses a production process of an injection-molded printed floor mat, which comprises the following steps: step 1, injection molding of a plastic part; step 2: after the injection mold in the step 1 is shaped, air blowing cooling is carried out; and step 3: printing pretreatment; and 4, step 4: printing treatment; and 5: after the printing is finished, the air dryer on the printing machine dries the plastic part by blowing, and finally the injection-molded printing ground mat is collected and stacked on the material rack to be packaged. According to the invention, the plastic piece is taken out of the mold and put on the cold water spray placement frame for continuous cooling to normal temperature, the plastic piece can be taken out and put on the conveying belt for conveying within about 10 seconds, and the fan is continuously arranged on the conveying belt for air drying the plastic piece, so that the processing efficiency is improved; and quantitative polyurethane resin YS-40PU is added into each color of ink box in the printing machine, so that the anti-falling performance of the printing is improved.
Description
Technical Field
The invention relates to the technical field of injection-molded printed floor mats, in particular to a production process of an injection-molded printed floor mat.
Background
At present, a floor mat is a product which can effectively scrape off mud and dust and moisture at an entrance and keep the indoor floor clean. The foot bath liquid has the characteristics of elasticity, softness, comfortable foot feel and the like, is a unique ultraviolet-resistant additive, prevents fading and embrittlement, and can bear the outdoor environment of exposure to sunlight and rain. The materials used for manufacturing the floor mat in the market are various and are divided according to the materials, and the floor mat mainly comprises the forms of nylon, terylene, polypropylene fiber, acrylic fiber, pure cotton, superfine fiber, coconut fiber, rubber flocking and the like.
With the continuous improvement of the living standard of people, people not only have higher requirements on the functions of the floor mat, but also have higher and higher requirements on the modeling and the attractiveness of the floor mat, so that a plurality of manufacturers can print on the surface of the floor mat to meet the requirement of customers on the attractiveness.
Disclosure of Invention
The invention aims to provide a production process of an injection-molded printed floor mat, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the production process of the injection-molded printed floor mat comprises the following steps:
step 1: injection molding of a plastic part: the PVC resin, the YS-40PU polyurethane resin, the DOP plasticizer, the activated calcium carbonate and the auxiliary materials are put into a stirrer step by step for full heating, stirring and mixing, the materials are put into an injection molding machine after being stirred uniformly, and the materials are injected into an injection mold of the ground mat in an injection molding nozzle with a continuous heat preservation effect;
step 2: after the injection mold in the step 1 is shaped, firstly, air is blown for cooling, the injection mold is opened after the temperature is reduced to 50 ℃, the plastic part is taken out and put on a cold water spraying and placing frame for continuous cooling to the normal temperature, the plastic part can be taken out and put on a conveying belt for conveying after about 10 seconds, and a fan is continuously arranged on the conveying belt for air drying the plastic part;
and step 3: printing pretreatment: placing the dried plastic piece on a printing machine, arranging cutters around a preheating plate of the printing machine, and cutting edges of the plastic piece through descending of the cutters while preheating, wherein the preheating plate can preheat the upper surface of the plastic piece to 30 ℃;
and 4, step 4: printing treatment: defining cherry blossom patterns on a computer of a printing machine, adding polyurethane resin YS-40PU in a quantitative proportion into an ink box of the printing machine, starting the printing machine, and directly spraying and printing computer pattern printing drawings on the surface of a plastic part;
and 5: after the printing is finished, the air dryer on the printing machine dries the plastic part by blowing, and finally the injection-molded printing ground mat is collected and stacked on the material rack to be packaged.
In a preferred embodiment of the present invention, in the step 1, the stirring speed of the stirrer is 300r/min, and the temperature of the stirrer is maintained at 140 ℃.
As a preferred embodiment of the present invention, in step 2, the height of the cold water spray placement frame is set to 1.8m, and the cold water spray placement frame is set to 5 layers, each layer is fixed with a water pipe for spraying, and the sprayed water source is filtered and then recycled.
In a preferred embodiment of the present invention, in step 2, one fan needs to be arranged every 20cm on the support on the conveyor belt, and 5 fans need to be arranged.
In a preferred embodiment of the present invention, in the step 3, the preheating plate is a silica gel heating plate, and can form a close fit with the plastic member.
In the step 4, polyurethane resin YS-40PU is added into each color cartridge in the printing machine in a ratio of 1:40, and the mixture is stirred and mixed uniformly by hand.
In a preferred embodiment of the present invention, in step 5, an air dryer on the printing machine blows air laterally to the plastic part until the temperature is reduced to normal temperature.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the plastic piece is taken out of the mold and put on the cold water spray placement frame for continuous cooling to normal temperature, the plastic piece can be taken out and put on the conveying belt for conveying within about 10 seconds, and the fan is continuously arranged on the conveying belt for air drying the plastic piece, so that the processing efficiency is improved; and quantitative polyurethane resin YS-40PU is added into each color of ink box in the printing machine, so that the anti-falling performance of the printing is improved.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic view of the overall structure of the production process of an injection-molded printed floor mat of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention; in the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, the present invention provides a technical solution: a production process of an injection-molded printed floor mat comprises the following steps:
step 1: injection molding of a plastic part: the PVC resin, the YS-40PU polyurethane resin, the DOP plasticizer, the activated calcium carbonate and the auxiliary materials are put into a stirrer step by step for full heating, stirring and mixing, the materials are put into an injection molding machine after being stirred uniformly, and the materials are injected into an injection mold of the ground mat in an injection molding nozzle with a continuous heat preservation effect;
step 2: after the injection mold in the step 1 is shaped, firstly, air is blown for cooling, the injection mold is opened after the temperature is reduced to 50 ℃, the plastic part is taken out and put on a cold water spraying and placing frame for continuous cooling to the normal temperature, the plastic part can be taken out and put on a conveying belt for conveying after about 10 seconds, and a fan is continuously arranged on the conveying belt for air drying the plastic part;
and step 3: printing pretreatment: placing the dried plastic piece on a printing machine, arranging cutters around a preheating plate of the printing machine, and cutting edges of the plastic piece through descending of the cutters while preheating, wherein the preheating plate can preheat the upper surface of the plastic piece to 30 ℃;
and 4, step 4: printing treatment: defining cherry blossom patterns on a computer of a printing machine, adding polyurethane resin YS-40PU in a quantitative proportion into an ink box of the printing machine, starting the printing machine, and directly spraying and printing computer pattern printing drawings on the surface of a plastic part;
and 5: after the printing is finished, the air dryer on the printing machine dries the plastic part by blowing, and finally the injection-molded printing ground mat is collected and stacked on the material rack to be packaged.
In this example, in step 1, the stirring speed of the stirrer was 300r/min, and the temperature was kept at 140 ℃.
In this embodiment, in step 2, the height of the cold water spray placement frame is set to 1.8m and set to 5 layers, each layer is fixed with a water pipe for spraying, and the sprayed water source is recycled after being filtered.
In this embodiment, in step 2, a fan needs to be arranged every 20cm on the support on the conveyor belt, and 5 fans need to be arranged.
In this embodiment, in step 3, the preheating plate is a silica gel heating plate, which can form a close fit to the plastic part.
In this embodiment, in step 4, a certain amount of the polyurethane resin YS-40PU is added to each color cartridge in the printing machine at a ratio of 1:40, and the mixture is stirred and mixed uniformly by hand.
In the embodiment, in the step 5, the air dryer on the printing machine blows air laterally to the plastic part until the temperature is reduced to the normal temperature, the plastic part is taken out of the mold and then placed on the cold water spraying placement frame to be continuously cooled to the normal temperature, the plastic part can be taken out and placed on the transmission belt for transmission within about 10 seconds, and the fan is continuously arranged on the transmission belt to air-dry the plastic part, so that the processing efficiency is improved; and quantitative polyurethane resin YS-40PU is added into each color of ink box in the printing machine, so that the anti-falling performance of the printing is improved.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A production process of an injection-molded printed floor mat is characterized in that: the production process of the injection-molded printed floor mat comprises the following steps:
step 1: injection molding of a plastic part: the PVC resin, the YS-40PU polyurethane resin, the DOP plasticizer, the activated calcium carbonate and the auxiliary materials are put into a stirrer step by step for full heating, stirring and mixing, the materials are put into an injection molding machine after being stirred uniformly, and the materials are injected into an injection mold of the ground mat in an injection molding nozzle with a continuous heat preservation effect;
step 2: after the injection mold in the step 1 is shaped, firstly, air is blown for cooling, the injection mold is opened after the temperature is reduced to 50 ℃, the plastic part is taken out and put on a cold water spraying and placing frame for continuous cooling to the normal temperature, the plastic part can be taken out and put on a conveying belt for conveying after about 10 seconds, and a fan is continuously arranged on the conveying belt for air drying the plastic part;
and step 3: printing pretreatment: placing the dried plastic piece on a printing machine, arranging cutters around a preheating plate of the printing machine, and cutting edges of the plastic piece through descending of the cutters while preheating, wherein the preheating plate can preheat the upper surface of the plastic piece to 30 ℃;
and 4, step 4: printing treatment: defining cherry blossom patterns on a computer of a printing machine, adding polyurethane resin YS-40PU in a quantitative proportion into an ink box of the printing machine, starting the printing machine, and directly spraying and printing computer pattern printing drawings on the surface of a plastic part;
and 5: after the printing is finished, the air dryer on the printing machine dries the plastic part by blowing, and finally the injection-molded printing ground mat is collected and stacked on the material rack to be packaged.
2. A process for producing an injection printed floor mat as claimed in claim 1, wherein: in the step 1, the stirring speed of the stirrer is 300r/min, and the temperature rise is kept within 140 ℃.
3. A process for producing an injection printed floor mat as claimed in claim 1, wherein: in the step 2, the height of the cold water spraying placement frame is set to be 1.8m, the cold water spraying placement frame is set to be 5 layers, each layer is fixedly provided with a water pipe for spraying, and the sprayed water source is recycled after being filtered.
4. A process for producing an injection printed floor mat as claimed in claim 1, wherein: in the step 2, a fan needs to be arranged on the support on the transmission belt every 20cm, and 5 fans need to be arranged.
5. A process for producing an injection printed floor mat as claimed in claim 1, wherein: in the step 3, the preheating plate is a silica gel heating plate and can form a close fit to the plastic part.
6. A process for producing an injection printed floor mat as claimed in claim 1, wherein: in the step 4, polyurethane resin YS-40PU with a quantitative ratio of 1:40 is added into each ink box of each color in the printing machine, and the ink boxes are required to be stirred and mixed uniformly by hand.
7. A process for producing an injection printed floor mat as claimed in claim 1, wherein: and in the step 5, the air dryer on the printing machine blows air to the plastic part in the lateral direction until the temperature is reduced to the normal temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011113213.7A CN112497779A (en) | 2020-10-17 | 2020-10-17 | Production process of injection-molded printed floor mat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011113213.7A CN112497779A (en) | 2020-10-17 | 2020-10-17 | Production process of injection-molded printed floor mat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112497779A true CN112497779A (en) | 2021-03-16 |
Family
ID=74954156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011113213.7A Pending CN112497779A (en) | 2020-10-17 | 2020-10-17 | Production process of injection-molded printed floor mat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112497779A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206170585U (en) * | 2016-11-26 | 2017-05-17 | 滁州市天悦塑胶制品有限公司 | Injection mold's cooling and blow water installation |
| CN106863700A (en) * | 2017-01-26 | 2017-06-20 | 浙江熙家橡塑科技有限公司 | A kind of production technology for being molded stamp ground cushion |
-
2020
- 2020-10-17 CN CN202011113213.7A patent/CN112497779A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206170585U (en) * | 2016-11-26 | 2017-05-17 | 滁州市天悦塑胶制品有限公司 | Injection mold's cooling and blow water installation |
| CN106863700A (en) * | 2017-01-26 | 2017-06-20 | 浙江熙家橡塑科技有限公司 | A kind of production technology for being molded stamp ground cushion |
Non-Patent Citations (2)
| Title |
|---|
| 倪书波等: "《汽车维修综合基础》", 31 May 2011, 东北师范大学出版社 * |
| 曾晓鹰等: "《电子束固化涂料及应用》", 31 December 2014, 天津大学出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106079387B (en) | The vacuum plastics sucking molding technique and device of the regenerated leather epidermis of automobile column plaque | |
| CN104727202B (en) | Recoverable artificial lawn and preparation method thereof | |
| US5407617A (en) | Method of forming latex-, PVC- and plasticizer-free foamed floor or wall coverings | |
| CN205167511U (en) | Device is air -dried with cooling to granulation | |
| CN213198377U (en) | Special polyethylene's polymerization granulator | |
| CN105946206B (en) | The vacuum plastics sucking molding technique and device of the regenerated leather epidermis of fascia | |
| CN112497779A (en) | Production process of injection-molded printed floor mat | |
| CN105881876B (en) | The vacuum plastics sucking molding technique and device of the regenerated leather epidermis of Automobile door-plate | |
| CN107232768A (en) | A kind of carbon fiber tea tray or tea table | |
| CN107586374A (en) | A kind of preparation method of mobile phone shell | |
| US20130227881A1 (en) | Recycled plastic composite composition | |
| CN111576787A (en) | Novel coffee grounds wood-plastic composite floor | |
| CN206230770U (en) | A kind of automotive trim foam-forming mould | |
| CN212242530U (en) | Double-layer coated PVC wood-plastic section and special equipment | |
| KR101786215B1 (en) | Pillow manufacturing method | |
| CN211372916U (en) | Storage box cover plate of refrigerator with light-transmitting surface | |
| CN207630324U (en) | A kind of plastic products production raw material Quick pre-heating device | |
| CN208052558U (en) | A kind of plastics sucking moulding device | |
| JPH0649760A (en) | Method for forming steric form by heat-welding of lap and apparatus therefor | |
| CN214469938U (en) | High heat stabilization time material production drying device | |
| TWI281526B (en) | Biodegradable multicolored mat and method for manufacturing same | |
| CN206937755U (en) | A kind of plastic forming device on plastics-production line | |
| CN213082447U (en) | Slipper vamp production line | |
| CN206796362U (en) | A kind of foaming furnace for PVC plastic adhesive floor | |
| CN220183168U (en) | Quantitative filling equipment for candles |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210316 |
|
| RJ01 | Rejection of invention patent application after publication |