CN110757733A - Upper and lower horn mouth plastic part forming die - Google Patents
Upper and lower horn mouth plastic part forming die Download PDFInfo
- Publication number
- CN110757733A CN110757733A CN201910914349.9A CN201910914349A CN110757733A CN 110757733 A CN110757733 A CN 110757733A CN 201910914349 A CN201910914349 A CN 201910914349A CN 110757733 A CN110757733 A CN 110757733A
- Authority
- CN
- China
- Prior art keywords
- injection molding
- die
- horn mouth
- movable
- double
- 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.)
- Granted
Links
- 238000001746 injection moulding Methods 0.000 claims abstract description 47
- 239000000463 material Substances 0.000 claims description 14
- 238000000465 moulding Methods 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- 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
- B29C45/26—Moulds
-
- 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
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
-
- 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
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
-
- 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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
-
- 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
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model provides an upper and lower horn mouth plastic part forming die, still including cover half and the movable mould that sets up from top to bottom, pour one side that the head is located cover half and movable mould, the opposite side of cover half and movable mould still sets up the stopper, the cover half, the movable mould has formed two horn mouth injection molding die cavities with the stopper jointly with pouring the head, two horn mouth injection molding die cavities are used for injection moulding two horn mouth injection molding, it stretches into to the interior of two horn mouth injection molding die cavities to pour the head, and keep the certain distance with the stopper, form the subchannel, the subchannel is located the central point of two horn mouth injection molding, it can remove along with the hob together and remove, the stopper can remove about through the screw rod in driving motor the place ahead, the below of movable mould is provided with many hydraulic stems, the hydraulic stem passes through hydraulic. The invention has the following beneficial effects: the piece is moulded to upper and lower horn mouth that can once only injection moulding, and the precision is high, and is efficient, and easy operation degree of automation is high moreover.
Description
Technical Field
The invention belongs to the field of molds, and particularly relates to an upper and lower horn mouth plastic part forming mold and a discharging method thereof.
Background
With the rapid development of the plastic industry, the application of plastic molds is more and more extensive, and the injection molding of upper and lower bell mouth plastic parts is required.
However, the molding method of the upper and lower bell mouth plastic parts is very troublesome, and half of the bell mouth is required to be molded on one injection molding machine, then the mold is removed, then the half of the bell mouth is put on the other injection molding machine, then the secondary injection molding is carried out, the interfaces are connected, and then the other half of the mold is removed to form the upper and lower bell mouth plastic parts as shown in fig. 4.
At present, a mould for molding an upper bell mouth and a lower bell mouth by one-time injection molding does not exist in the market, because the bell mouths are oppositely opened, the demoulding is not easy, and the blanking is not good after the demoulding, so that the technical blank exists.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an upper and lower bell mouth plastic part forming die and a discharging method thereof, which are used for solving the problem that the existing die cannot be used for injection molding one upper and lower bell mouth plastic part at one time.
The invention is realized by the following technical scheme.
A molding die for upper and lower bell mouth plastic parts comprises a feed inlet, wherein a screw rod is arranged below the feed inlet, a pouring head is arranged at the front end of the screw rod, a main runner is arranged at the end part of the pouring head, the molding die further comprises a fixed die and a movable die which are arranged up and down, the pouring head is positioned at one side of the fixed die and the movable die, a limit block is further arranged at the other side of the fixed die and the movable die, the fixed die, the movable die, the limit block and the pouring head jointly form a double-bell mouth injection molding part cavity, the double-bell mouth injection molding part cavity is used for injection molding of double-bell mouth injection parts, the pouring head extends into the double-bell mouth injection part cavity and keeps a certain distance with the limit block to form a sub-runner, the sub-runner is positioned at the central position of the double-bell mouth injection parts, the pouring head can move left and right along with the screw rod, and the limit block can, and a plurality of hydraulic rods are arranged below the movable die and controlled to lift through a hydraulic system. The injection molding of the whole upper and lower bell mouth plastic part is completed on one machine, the original process is effectively reduced, the automation degree is high, and the precision of the processed part is high.
Preferably, a material pushing rod is further arranged on a vertical surface of the fixed die and the movable die. The convenience is discharged when cover half and movable mould are opened.
Preferably, the diameter of the foremost end of the main flow passage is the smallest. When the whole pouring head retreats, the main runner and the sub-runners are easy to break and separate because the position is the position with the minimum caliber.
Preferably, the entire machine is also provided with a hydraulic control unit and an electric control unit. The hydraulic control unit and the electric control unit can input programs, and after the programs are input, the machine can operate according to a fixed operation flow, so that manual judgment is reduced, and the automation degree is improved.
A discharging method of an upper and lower horn mouth plastic part forming die is characterized in that the step A) comprises the steps of clamping a fixed die and a movable die, respectively inserting a limiting block and a pouring head into two sides of the fixed die and the movable die, wherein the fixed die, the movable die, the limiting block and the pouring head form a double-horn mouth plastic part cavity together; step B), the screw rod drives the material in the feeding port to enter the main runner and then enter the sub-runner, and the double-bell injection molding piece is injection molded in the double-bell injection molding piece cavity; step C), respectively keeping the limiting block and the pouring head away from the fixed die and the movable die, and then descending the movable die under the action of the hydraulic rod to drive the double-horn-mouth injection molding piece to descend together; and D) a material pushing rod is further arranged on the vertical surface of the fixed die and the movable die, the material pushing rod is aligned with the lowered double-horn-mouth injection molding piece to perform a pushing action, and the double-horn-mouth injection molding piece is pushed out of the whole die device.
Compared with the prior art: the piece is moulded to upper and lower horn mouth that can once only injection moulding, and the precision is high, and is efficient, and easy operation degree of automation is high moreover.
Drawings
FIG. 1 is a schematic view of the present invention.
FIG. 2 is a second schematic structural diagram of the present invention.
Fig. 3 is a third schematic structural diagram of the present invention.
FIG. 4 is a schematic structural view of a dual flare injection molded part of the present invention.
Fig. 5 is an enlarged view of the invention at a in fig. 1.
FIG. 6 is a cross-sectional view of a dual flare injection molded part of the present invention.
Detailed Description
The invention is further described with reference to the following drawings and detailed description.
A molding die for upper and lower horn mouth plastic parts comprises a feed inlet 1, wherein a screw rod 2 is arranged below the feed inlet 1, a pouring head 6 is arranged at the front end of the screw rod 2, a main runner 61 is arranged at the end part of the pouring head 6, the molding die further comprises a fixed die 4 and a movable die 5 which are arranged up and down, the pouring head 6 is positioned at one side of the fixed die 4 and the movable die 5, a limiting block 7 is further arranged at the other side of the fixed die 4 and the movable die 5, the fixed die 4, the movable die 5, the limiting block 7 and the pouring head 6 jointly form a double-horn mouth injection molding cavity, the double-horn mouth injection molding cavity is used for injection molding of a double-horn mouth injection molding part 9, the pouring head 6 extends into the double-horn mouth injection molding cavity and keeps a certain distance from the limiting block 7 to form a sub-runner 62, and the sub-runner 62 is positioned at the central position of the double-horn, the pouring head 6 can move left and right along with the screw rod 2, the limiting block 7 can move left and right through the screw rod in front of the driving motor 8, a plurality of hydraulic rods are arranged below the movable die 5 and controlled to lift through a hydraulic system, the material pushing rods are further arranged on the vertical surfaces of the fixed die 4 and the movable die 5, the diameter of the foremost end of the main runner 61 is minimum, and the whole machine is further provided with a hydraulic control unit 10 and an electric control unit 3.
A discharging method of an upper and lower horn mouth plastic part forming die comprises the steps that A, firstly, a spiral rod 2 and a feed inlet 1 move leftwards together to be close to a fixed die 4 and a movable die 5, a pouring head 6 is close to the die, the fixed die 4 and the movable die 5 are clamped in an initial state, the movable die 5 keeps high under the action of a hydraulic rod, a limiting block 7 and the pouring head 6 are respectively plugged into two sides of the fixed die 4 and the movable die 5, the limiting block 7 moves from the left side to the right side together with a screw rod under the action of a driving motor 8 until the fixed die 4, the movable die 5, the limiting block 7 and the pouring head 6 form a double-horn mouth plastic part die cavity together;
step B, the screw rod 2 drives the material in the feed inlet 1 to enter a main runner 61 and then enter a sub-runner 62, and a double-bell injection molding piece 9 is injection molded in a double-bell injection molding piece cavity, wherein the end part of the main runner 61 is narrow, so that the separation is convenient, and the main runner 61 and the sub-runner 62 are made of waste materials;
step C, a limiting block 7 and a pouring head 6 are respectively far away from the fixed die 4 and the movable die 5, the pouring head 6 moves rightwards together with the spiral rod 2 and the feed inlet 1, the limiting block 7 moves from the right side to the left side together with the screw rod under the action of the reverse rotation of the driving motor 8, so that the double-horn-mouth injection molding part 9 can be separated out, as shown in figure 2, then the movable die 5 descends under the action of the hydraulic rod to drive the double-horn-mouth injection molding part 9 to descend together, as shown in figure 3;
and D, a material pushing rod is further arranged on a vertical surface of the fixed die 4 and the movable die 5, the material pushing rod is not shown in the drawing, the material pushing rod is aligned to the position of the lowered double-bell-mouth injection molding piece 9 to push out, the material pushing rod is a common air cylinder rod, and the double-bell-mouth injection molding piece 9 is pushed out of the whole die device to be subjected to blanking and collection.
The scope of the present invention includes, but is not limited to, the above embodiments, and the present invention is defined by the appended claims, and any alterations, modifications, and improvements that may occur to those skilled in the art are all within the scope of the present invention.
Claims (5)
1. The utility model provides an upper and lower horn mouth injection molding forming die, includes feed inlet (1), feed inlet (1) below be provided with hob (2), its characterized in that, the front end of hob (2) set up and pour head (6), the tip of pouring head (6) be provided with sprue (61), still include cover half (4) and movable mould (5) that set up from top to bottom, pour head (6) be located one side of cover half (4) and movable mould (5), the opposite side of cover half (4) and movable mould (5) still set up stopper (7), cover half (4), movable mould (5) and stopper (7) and pour head (6) and formed two horn mouth injection molding die cavities jointly, two horn mouth injection molding die cavities be used for injection moulding two horn mouth injection molding (9), pour head (6) stretch into to two horn mouth injection molding die cavities in, and keep certain distance with stopper (7), form subchannel (62), subchannel (62) be located the central point of two horn mouth injection molding (9) and put, pouring head (6) can remove about along with hob (2) together, stopper (7) can remove about through the screw rod in driving motor (8) the place ahead, the below of movable mould (5) be provided with many hydraulic stems, the hydraulic stem pass through hydraulic system control and go up and down.
2. The upper and lower bell mouth plastic part molding die according to claim 1, characterized in that a material pushing rod is further arranged on a vertical plane with the fixed die (4) and the movable die (5).
3. The upper and lower bell mouth molding die as claimed in claim 2, wherein the diameter of the foremost end of the main runner (61) is the smallest.
4. An upper and lower bell mouth molding die as claimed in claim 3, wherein the whole machine is further provided with a hydraulic control unit (10) and an electric control unit (3).
5. A discharging method of an upper and lower horn mouth plastic part forming die is characterized in that in the step A), a fixed die (4) and a movable die (5) are clamped firstly, a limiting block (7) and a pouring head (6) are plugged into two sides of the fixed die (4) and the movable die (5), and the fixed die (4), the movable die (5), the limiting block (7) and the pouring head (6) form a double-horn mouth injection molding part cavity together; step B), the screw rod (2) drives the material in the feeding hole (1) to enter a main runner (61) and then enter a sub-runner (62), and a double-bell injection molding piece (9) is injection molded in a double-bell injection molding piece cavity; step C), respectively keeping the limiting block (7) and the pouring head (6) away from the fixed die (4) and the movable die (5), and then descending the movable die (5) under the action of the hydraulic rod to drive the double-horn-mouth injection molding piece (9) to descend together; and D), a material pushing rod is further arranged on the vertical surface of the fixed die (4) and the movable die (5), the material pushing rod is aligned with the lowered double-horn-mouth injection molding piece (9) to perform a pushing-out function, and the double-horn-mouth injection molding piece (9) is pushed out of the whole die device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910914349.9A CN110757733B (en) | 2019-09-26 | 2019-09-26 | Upper and lower horn mouth plastic part forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910914349.9A CN110757733B (en) | 2019-09-26 | 2019-09-26 | Upper and lower horn mouth plastic part forming die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110757733A true CN110757733A (en) | 2020-02-07 |
| CN110757733B CN110757733B (en) | 2021-06-08 |
Family
ID=69329973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910914349.9A Active CN110757733B (en) | 2019-09-26 | 2019-09-26 | Upper and lower horn mouth plastic part forming die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110757733B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111873303A (en) * | 2020-08-12 | 2020-11-03 | 衢州丰帆科技有限公司 | Injection mold and injection molding method thereof |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB789965A (en) * | 1954-09-03 | 1958-01-29 | Dunlop Rubber Co | Apparatus for method for moulding plastic material |
| CN1458876A (en) * | 2001-07-10 | 2003-11-26 | 辛普瑞斯注气有限公司 | Process and apparatus for injection moulding |
| US7033164B2 (en) * | 2002-11-20 | 2006-04-25 | Industrial Technology Research Institute | Nozzle-contacting device of injection molding machine |
| CN201009404Y (en) * | 2006-10-19 | 2008-01-23 | 中国石油化工股份有限公司 | Quick changing core type thermoplastic sample injection mould |
| CN103978639A (en) * | 2014-05-27 | 2014-08-13 | 泉州华硕实业有限公司 | Injection mold for automatically cutting off injection gate |
| TW201538299A (en) * | 2014-04-02 | 2015-10-16 | Yu-Sheng Kao | Simple injection molding machine structure and injection method of the same |
| US20150314505A1 (en) * | 2014-05-02 | 2015-11-05 | Yu-Sheng Kao | Simple injection molding machine structure and injection method for the same |
| CN204894379U (en) * | 2015-07-30 | 2015-12-23 | 天津京津科技发展有限公司 | Car horn covers injection mold |
| CN108162333A (en) * | 2017-12-12 | 2018-06-15 | 苏州顺兴精密模具有限公司 | A kind of automatic Duan Jiao mechanisms of mold side gate |
| CN108556277A (en) * | 2018-02-01 | 2018-09-21 | 李睿 | Toy, handle and its manufacturing method |
| CN208410606U (en) * | 2018-06-29 | 2019-01-22 | 唐山学院 | A kind of die device automatically cutting off side gate using floating sprue bush |
| CN209409190U (en) * | 2019-01-09 | 2019-09-20 | 东莞市旭通达模具塑胶有限公司 | A kind of running gate system of injection mold |
-
2019
- 2019-09-26 CN CN201910914349.9A patent/CN110757733B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB789965A (en) * | 1954-09-03 | 1958-01-29 | Dunlop Rubber Co | Apparatus for method for moulding plastic material |
| CN1458876A (en) * | 2001-07-10 | 2003-11-26 | 辛普瑞斯注气有限公司 | Process and apparatus for injection moulding |
| US7033164B2 (en) * | 2002-11-20 | 2006-04-25 | Industrial Technology Research Institute | Nozzle-contacting device of injection molding machine |
| CN201009404Y (en) * | 2006-10-19 | 2008-01-23 | 中国石油化工股份有限公司 | Quick changing core type thermoplastic sample injection mould |
| TW201538299A (en) * | 2014-04-02 | 2015-10-16 | Yu-Sheng Kao | Simple injection molding machine structure and injection method of the same |
| US20150314505A1 (en) * | 2014-05-02 | 2015-11-05 | Yu-Sheng Kao | Simple injection molding machine structure and injection method for the same |
| CN103978639A (en) * | 2014-05-27 | 2014-08-13 | 泉州华硕实业有限公司 | Injection mold for automatically cutting off injection gate |
| CN204894379U (en) * | 2015-07-30 | 2015-12-23 | 天津京津科技发展有限公司 | Car horn covers injection mold |
| CN108162333A (en) * | 2017-12-12 | 2018-06-15 | 苏州顺兴精密模具有限公司 | A kind of automatic Duan Jiao mechanisms of mold side gate |
| CN108556277A (en) * | 2018-02-01 | 2018-09-21 | 李睿 | Toy, handle and its manufacturing method |
| CN208410606U (en) * | 2018-06-29 | 2019-01-22 | 唐山学院 | A kind of die device automatically cutting off side gate using floating sprue bush |
| CN209409190U (en) * | 2019-01-09 | 2019-09-20 | 东莞市旭通达模具塑胶有限公司 | A kind of running gate system of injection mold |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111873303A (en) * | 2020-08-12 | 2020-11-03 | 衢州丰帆科技有限公司 | Injection mold and injection molding method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110757733B (en) | 2021-06-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206605724U (en) | A kind of line position enters the injection mold of glue | |
| CN204640717U (en) | A kind of auto parts and components high-gloss injection mold | |
| CN208305718U (en) | Novel air blowing assisted demoulding structure for cover injection mold | |
| CN110757733B (en) | Upper and lower horn mouth plastic part forming die | |
| CN204398248U (en) | Transparent Plastic Folding Scoop injection mold | |
| CN203888132U (en) | Injection mold | |
| CN209937577U (en) | Automatic take off stub bar three-plate mold | |
| CN205497945U (en) | Injection moulding mould is assisted to automobile cooling water pipe gas | |
| CN219130744U (en) | Mould convenient to drawing of patterns | |
| CN208615242U (en) | A kind of molding die convenient for being demoulded with internal buckle muscle moulding | |
| CN106273279B (en) | A kind of mould for plastics of cylinder and its irregular three helicla flutes in side | |
| CN211221852U (en) | Injection mold for header board with buffering way | |
| CN203901659U (en) | Sliding block sprue stripping structure of automobile water chamber cover plate mold | |
| CN212707818U (en) | Injection molding device capable of avoiding residual point gate | |
| CN207915984U (en) | A kind of product circular arc demolding structure | |
| CN208343357U (en) | A kind of front mold slide is without ejection injection mold | |
| CN206277606U (en) | A kind of automatic injection mold eliminated into cast gate residual | |
| CN213107946U (en) | Injection molding mold for automobile lampshade | |
| CN218196706U (en) | Mould for automatically staggering and cutting off runner and product | |
| CN216032212U (en) | Inclined top structure with inclined sliding block drawn in application | |
| CN201808193U (en) | Male die cylinder ejector pin inner cutter | |
| CN209869273U (en) | Injection mold of fan knob | |
| CN215039654U (en) | Iron sheet draws material to cut mechanism | |
| CN219133080U (en) | Hot runner mold convenient for discharging | |
| CN221540528U (en) | Injection mold convenient to drawing of patterns |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211220 Address after: 276017 shuangyueyuan Road, high tech Industrial Development Zone, Linyi City, Shandong Province Patentee after: Linyi Industry Research Institute Co.,Ltd. Address before: 315000 1988 Airport Road, Haishu District, Ningbo City, Zhejiang Province Patentee before: ZHEJIANG BUSINESS TECHNOLOGY INSTITUTE |
|
| TR01 | Transfer of patent right |