CN111331761A - Slide assembly, mould and method for producing a slide assembly - Google Patents
Slide assembly, mould and method for producing a slide assembly Download PDFInfo
- Publication number
- CN111331761A CN111331761A CN202010163480.9A CN202010163480A CN111331761A CN 111331761 A CN111331761 A CN 111331761A CN 202010163480 A CN202010163480 A CN 202010163480A CN 111331761 A CN111331761 A CN 111331761A
- Authority
- CN
- China
- Prior art keywords
- positioning
- slide
- groove
- positioning piece
- piece
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/30—Mounting, exchanging or centering
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/3842—Manufacturing moulds, e.g. shaping the mould surface by machining
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to the field of moulds. The row position assembly comprises a row position body and a positioning piece, the row position body is provided with a joint surface, the positioning piece is detachably fixed on the row position body, and the positioning piece and the joint surface are positioned on the same side of the row position body. Because the positioning piece and the slide body are respectively arranged parts, compared with the scheme that the positioning structure is directly processed on the slide body, the slide assembly has lower processing difficulty, and the positioning piece material with better abrasion resistance and deformation resistance can be selected, and the positioning piece can be independently subjected to surface modification treatment before the slide body and the positioning piece are assembled, so that the abrasion resistance and the deformation resistance of the positioning piece can be improved, the positioning accuracy of the slide assembly can be ensured to be good for a long time, and the quality of a formed product can be kept good for a long time; in addition, after the locating piece is worn, the locating precision of the slide assembly can be restored again by disassembling and replacing the locating piece, and the quality of a formed product is further kept good for a long time.
Description
Technical Field
The invention relates to the field of dies, in particular to a slide assembly, a die and a method for producing the slide assembly.
Background
The die cavity of mould is directly enclosed by the position of going, and the height direct influence shaping product's of cooperation precision quality between each position has now the mould often to be provided with location arch and positioning groove on two positions of going of mutually supporting respectively, fixes a position the cooperation of two positions of going through the protruding cooperation with positioning groove of location, can promote the cooperation precision between each position like this, can promote the quality of shaping product.
On the one hand, however, the difficulty of directly processing the positioning protrusion and the positioning groove on the slide is high, and in order to meet the positioning requirement, the requirement on the processing precision of the positioning protrusion and the positioning groove is often high, which further increases the processing difficulty of the positioning protrusion and the positioning groove; on the other hand, the positioning protrusions and the positioning grooves are easy to wear after long-term use, so that the positioning accuracy of the slide is easy to reduce, the appearance defect of a molded product is caused, and the quality of the molded product is influenced.
Disclosure of Invention
The invention aims to provide a slide assembly which is low in processing difficulty and beneficial to keeping high positioning precision of an opening and closing die for a long time.
In order to achieve the above object, the present invention provides a slide assembly including a slide body having a joint surface, and a positioning member detachably fixed to the slide body, the positioning member and the joint surface being located on the same side of the slide body.
Therefore, through the structural design of the line position assembly, the positioning piece and the line position body are respectively provided parts, so that compared with a scheme that the positioning structure is directly processed on the line position body, the processing difficulty of the line position assembly is lower, in addition, the positioning piece material with better abrasion resistance and deformation resistance can be selected, and the surface modification treatment can be independently carried out on the positioning piece before the line position body and the positioning piece are assembled, so that the abrasion resistance and the deformation resistance of the positioning piece can be favorably improved, the long-term good positioning precision of the line position assembly can be favorably ensured, and the quality of a formed product can be favorably maintained for a long time; in addition, after the locating piece is worn, the locating precision of the slide assembly can be restored again by disassembling and replacing the locating piece, and the quality of a formed product is further kept good for a long time.
Preferably, the positioning element is fixed to the slide body by a screw.
The further proposal is that the screw penetrates through the row body along the die opening and closing direction of the row body and then is connected with the positioning piece through screw thread.
It is thus clear that when dismantling the setting element, can adopt the pin rod to insert the mounting hole like this, then strike the pin rod and knock out the setting element, be favorable to reducing the dismantlement degree of difficulty of setting element.
In another preferred embodiment, the combining surface has a groove, and the positioning member is embedded in the groove.
Therefore, the position accuracy of the row body and the positioning piece is guaranteed.
The further proposal is that the groove wall of the groove is in interference fit with the positioning piece.
It is thus clear that further be favorable to guaranteeing the position precision of going the body and setting element like this to be favorable to promoting to guarantee to go the body and the setting element installation reliable and stable.
In a further proposal, the interference between the groove wall of the groove and the positioning piece is not more than 0.01 mm.
Therefore, the difficulty in mounting and dismounting the positioning piece and the slide body is reduced.
In a further preferred embodiment, the positioning elements have at least two.
The second purpose of the invention is to provide a mold which is beneficial to long-term good positioning of the opening and closing mold.
In order to achieve the purpose, the die provided by the invention comprises a first row position and a second row position, wherein the first row position and the second row position are opened and closed along a first direction; the first slide and the second slide both adopt the slide assembly, the positioning piece of the first slide is a first piece, and the positioning piece of the second slide is a second piece; along the first direction, the first piece is provided with a positioning convex part protruding towards the second line position, the second piece is provided with a positioning groove recessed back to the first line position, and the positioning convex part is inserted into the positioning groove.
Therefore, the line position assembly is adopted, so that the positioning accuracy of the first line position and the second line position is ensured to be good for a long time.
It is a further object of the present invention to provide a method of producing the foregoing column assembly.
In order to achieve the above object, the present invention provides a method comprising: after the positioning piece is fixedly connected with the slide body, the slide body and the positioning piece are combined, ground and polished.
It is from top to bottom visible, the cooperation of setting element and row position body inevitably can have assembly error to and probably can have the damage to row position body and setting element surface when the assembly, consequently this embodiment makes up polishing and burnishing to row position body and setting element after row position body and setting element be assembled between/be connected between, be favorable to eliminating the assembly error of row position body and setting element like this, be favorable to eliminating the damage on row position body and setting element surface, be favorable to guaranteeing to go the size precision and the surface finish of position subassembly and satisfy the operation requirement.
One preferred scheme is that the combining surface is provided with a groove, the positioning piece is embedded in the groove, and the positioning piece is in interference fit with the groove wall of the groove; the method comprises the following steps: before the positioning piece is fixedly connected with the slide body, the positioning piece is cooled.
From top to bottom, the cooling is handled and is favorable to reducing the degree of difficulty that the setting element imbeds in the recess, is favorable to reducing the installation degree of difficulty of setting element.
Drawings
FIG. 1 is a cross-sectional view of an embodiment of the slide assembly of the present invention;
FIG. 2 is an exploded view of a mold embodiment of the present invention;
fig. 3 is a cross-sectional view of an embodiment of the inventive die.
Detailed Description
Fig. 1 to 3 of the present embodiment adopt a uniform rectangular spatial coordinate system to show the positional relationship of the components in the present embodiment, where the mold opening direction is along the Y-axis direction and the Z-axis direction is vertical.
The embodiments of the row bit assembly and the method for producing the row bit assembly are as follows:
referring to fig. 1, the slide assembly 1 includes a slide 11, a positioning element 12 and screws 13, the slide 11 has a joint surface 111, a cavity groove 112, a groove 113 and two mounting holes 114, the cavity groove 112 and the groove 113 are both located on the joint surface 111, the mounting hole 114 passes through the slide 11 along the Y-axis direction, two positioning elements 12, two screws 13, two mounting holes 114, the cavity groove 112 and two grooves 113 are respectively provided, the two mounting holes 114 are in one-to-one correspondence with the two grooves 113, the two positioning elements 12 are embedded in the two grooves 113 one to one, the positioning elements 12 are in interference fit with the groove walls of the groove 113, the two screws 13 are in one-to-one correspondence with the two mounting holes 114 and then in threaded connection with the corresponding positioning elements 12, and specifically, the interference of the positioning elements 12 in cooperation with the walls of the grooves.
Specifically, each cavity groove 112 and each groove 113 are distributed along the X-axis direction, and two cavity grooves 112 are located between two grooves 113 along the X-axis direction.
The method for producing the slide assembly 1 by adopting the embodiment comprises the following steps: the first step is as follows: respectively processing to form a row body 11 and a positioning piece 12, and a second step: carrying out surface modification treatment on the positioning piece 12, and obtaining the surface hardness and the wear resistance of the positioning piece 12; the third step: grinding and polishing the joint surface 111 of the row body 11; the fourth step: cooling the positioning piece 12 for 12 hours, and then placing the positioning piece 12 into the groove 113; the fifth step: the row body 11 is fixedly connected with the positioning piece 12 by a screw 13; and a sixth step: and (4) carrying out combined grinding and polishing on the line position body 11 and the positioning piece 12.
Of course, the surface of the positioning member 12 may be polished in the third step.
Specifically, the third step of grinding and polishing the bonding surface 111 is to grind and polish the bonding surface 111 near the cavity groove 112.
Preferably, when polishing, firstly sequentially polishing with 800#, 1200# and 2000# oilstones, then sequentially polishing with 1000#, 1500# and 2000# sandpaper to remove the oilstone marks, and finally removing the sandpaper marks by using wool polishing balls and polishing paste.
Because the positioning element 12 and the slide element 11 are respectively provided with parts, compared with the scheme that the positioning structure is directly processed on the slide element 11, the processing difficulty of the slide assembly 1 is lower, and the positioning element 12 material with better abrasion resistance and deformation resistance can be selected, and the positioning element 12 can be independently subjected to surface modification treatment before the slide element 11 and the positioning element 12 are assembled, so that the abrasion resistance and deformation resistance of the positioning element 12 can be improved, the positioning accuracy of the slide element 1 can be ensured to be good for a long time, and the quality of a formed product can be kept good for a long time; in addition, after the positioning piece 12 is worn, the positioning precision of the slide assembly 1 can be restored again by disassembling and replacing the positioning piece 12, and the quality of a formed product is further kept good for a long time.
Optionally, the interference of the wall fit between the positioning element 12 and the groove 113 is less than or equal to 0.01mm, and the interference of the positioning element 12 and the wall of the groove 113 is favorable for ensuring the stable and reliable installation of the positioning element 12 and the row-shaped body 11, and the installation accuracy of the positioning element 12 on the row-shaped body 11, and the interference of the wall fit between the positioning element 12 and the wall of the groove 113 is small, so that the difficulty in installing and disassembling the positioning element 12 is reduced.
When the positioning element 12 is disassembled, the screw 13 is firstly screwed out, then the positioning element 12 is disassembled, for example, the worn positioning element 12 can be clamped and pulled out by using pliers, and because the mounting hole 114 passes through the positioning element 11 along the Y-axis direction, a pin rod (not shown in the figure) can be inserted into the mounting hole 114 when the positioning element 12 is disassembled, and then the pin rod is knocked to knock out the positioning element 12, which is further beneficial for reducing the difficulty of disassembling the positioning element 12.
The temperature of the positioning member 12 is reduced in the fourth step, and the size of the positioning member 12 after temperature reduction is reduced, so that the positioning member 12 can be smoothly loaded into the groove 113, and the difficulty in mounting the positioning member 12 can be further reduced.
The matching of the positioning element 12 and the slide element 11 inevitably causes assembly errors, and the surfaces of the slide element 11 and the positioning element 12 may be damaged during assembly, so that the seventh step of the present embodiment combines, polishes and polishes the slide element 11 and the positioning element 12, which is beneficial to eliminating the assembly errors of the slide element 11 and the positioning element 12, is beneficial to eliminating the damage of the surfaces of the slide element 11 and the positioning element 12, and is beneficial to ensuring that the dimensional accuracy and the surface smoothness of the slide assembly 1 meet the use requirements.
Specifically, the particular manner in which the spacer 12 is cooled may be, for example, by placing the spacer 12 in an ice bin for cooling.
The mold opening and closing direction is the relative movement direction of the two slide assemblies 1 in the matching relationship during mold opening and mold closing.
The embodiment of the mould comprises:
referring to fig. 2 and fig. 3, the mold of the present embodiment includes two of the above-mentioned slide assemblies 1, the two slide assemblies 1 are respectively a first slide 1a and a second slide 1b, a combining surface 111a of the first slide 1a is attached to a combining surface 111b of the second slide 1b, a cavity 112a of the first slide 1a and a cavity 112b of the second slide 1b enclose a cavity, a mold opening and closing direction of the first slide 1a and the second slide 1b is along a Y-axis direction, a positioning element 12 of the first slide 1a is a first element 12a, the first element 12a is embedded in a groove of the first slide 1a, the first element 12a is connected with the slide 11a through a screw 13a, the positioning element 12 of the second slide 1b is a second element 12b, the second element 12b is embedded in a groove 113b of the second slide 1b, the second element 12b is connected with the slide 11b through a screw 13b, the first element 12a has a positioning protrusion 1211 protruding toward the second slide 12a along the Y-axis direction, the second piece 12b has a positioning groove 122b recessed away from the first piece 12a in the Y-axis direction, and the positioning protrusion 121a is inserted in the positioning groove 122 b.
Specifically, the first piece 12a of the present embodiment is in a stepped shaft shape, the large diameter section of the first piece 12a is embedded in the groove of the first row position 1a, the small diameter section of the first piece 12a protrudes out of the joint surface 111, and the small diameter section of the first piece 12a is the positioning protrusion 121 a; the second piece 12b is columnar, the positioning groove 122b of the second piece 12b is positioned on the end surface of the column, and the second piece 12b is integrally embedded in the groove 113b of the second row position 1 b; preferably, the peripheral surface of the positioning protrusion 121a is attached to the peripheral wall surface of the positioning groove 122b, the end surface of the positioning protrusion 121a is not in contact with the bottom wall surface of the positioning groove 122b, and the shoulder surface of the first piece 12a is not in contact with the column end surface of the second piece 12b, so that the attachment of the attachment surface 111a to the attachment surface 111b is not affected by the engagement of the first piece 12a and the second piece 12 b.
Of course, in other embodiments of the present invention, the number of the row units 1 of the mold may also be three, four, etc., and each row unit 1 may include at most one fixedly disposed row unit 1, and the other row units 1 move relative to the fixed row unit to realize mold opening and closing of the mold.
In other embodiments of the present invention, the mold opening and closing direction of the same slide assembly 1 may not be unique, for example, the mold includes a slide assembly m, a slide assembly n, and a slide assembly p (not shown in the drawings), the mold opening and closing direction of the slide assembly m and the slide assembly n may be different from the mold opening and closing direction of the slide assembly m and the slide assembly p, at this time, the slide assembly m should have two sets of positioning members, one set of positioning members of the slide assembly m is disposed according to the matching relationship of the slide assembly m and the slide assembly n, and the other set of positioning members of the slide assembly m is disposed according to the matching relationship of the slide assembly m and the slide assembly p.
Finally, it should be emphasized that the above-described preferred embodiments of the present invention are merely examples of implementations, rather than limitations, and that many variations and modifications of the invention are possible to those skilled in the art, without departing from the spirit and scope of the invention.
Claims (10)
1. A slide assembly comprising a slide having a bonding surface, wherein:
the positioning piece and the joint surface are positioned on the same side of the row body.
2. The row bit assembly of claim 1, wherein:
the positioning piece is fixed with the slide body through a screw.
3. The row bit assembly of claim 2, wherein:
the screw penetrates through the row body along the die opening and closing direction of the row body and then is in threaded connection with the positioning piece.
4. The row bit assembly of any of claims 1 to 3, wherein:
the positioning parts are at least two.
5. The row bit assembly of any of claims 1 to 3, wherein:
the joint surface is provided with a groove, and the positioning piece is embedded in the groove.
6. The row bit assembly of claim 5, wherein:
and the groove wall of the groove is in interference fit with the positioning piece.
7. The row bit assembly of claim 6, wherein:
the interference magnitude between the groove wall of the groove and the positioning piece is not more than 0.01 mm.
8. The mould comprises a first line position and a second line position, and the first line position and the second line position are opened and closed along a first direction;
the method is characterized in that:
the slide assembly according to any one of claims 1 to 7 is adopted for both the first slide and the second slide, the positioning element of the first slide is a first element, and the positioning element of the second slide is a second element;
along the first direction, the first piece is provided with a positioning convex part protruding towards the second line position, the second piece is provided with a positioning groove opposite to the first line position, and the positioning convex part is inserted into the positioning groove.
9. Method for producing a slide module according to one of claims 1 to 4, characterized in that:
and after the positioning piece is fixedly connected with the row position body, the row position body and the positioning piece are combined, ground and polished.
10. The method of claim 9, wherein:
the joint surface is provided with a groove, the positioning piece is embedded in the groove, and the positioning piece is in interference fit with the groove wall of the groove;
the method comprises the following steps:
before the positioning piece is fixedly connected with the slide body, the positioning piece is cooled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010163480.9A CN111331761A (en) | 2020-03-10 | 2020-03-10 | Slide assembly, mould and method for producing a slide assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010163480.9A CN111331761A (en) | 2020-03-10 | 2020-03-10 | Slide assembly, mould and method for producing a slide assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111331761A true CN111331761A (en) | 2020-06-26 |
Family
ID=71176214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010163480.9A Pending CN111331761A (en) | 2020-03-10 | 2020-03-10 | Slide assembly, mould and method for producing a slide assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111331761A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407085A (en) * | 2013-08-15 | 2013-11-27 | 无锡市新区伟创利模具厂 | Connection structure of slide insert |
| CN105984086A (en) * | 2015-03-04 | 2016-10-05 | 韩立艳 | Deep-tooth internal thread demolding mechanism and injection mold thereof |
| CN207172632U (en) * | 2017-08-22 | 2018-04-03 | 东莞市誉鑫塑胶模具有限公司 | Detent mechanism in a kind of mould line position |
| US20180345564A1 (en) * | 2017-06-06 | 2018-12-06 | R&D Tool & Engineering Co. | Cavity mold alignment system for blow mold tooling |
| CN208247344U (en) * | 2018-05-21 | 2018-12-18 | 深圳艾利门特科技有限公司 | A kind of encapsulation die for thin wall component |
| CN211968282U (en) * | 2019-05-24 | 2020-11-20 | 惠州市华辉信达电子有限公司 | Composite slide structure |
-
2020
- 2020-03-10 CN CN202010163480.9A patent/CN111331761A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407085A (en) * | 2013-08-15 | 2013-11-27 | 无锡市新区伟创利模具厂 | Connection structure of slide insert |
| CN105984086A (en) * | 2015-03-04 | 2016-10-05 | 韩立艳 | Deep-tooth internal thread demolding mechanism and injection mold thereof |
| US20180345564A1 (en) * | 2017-06-06 | 2018-12-06 | R&D Tool & Engineering Co. | Cavity mold alignment system for blow mold tooling |
| CN207172632U (en) * | 2017-08-22 | 2018-04-03 | 东莞市誉鑫塑胶模具有限公司 | Detent mechanism in a kind of mould line position |
| CN208247344U (en) * | 2018-05-21 | 2018-12-18 | 深圳艾利门特科技有限公司 | A kind of encapsulation die for thin wall component |
| CN211968282U (en) * | 2019-05-24 | 2020-11-20 | 惠州市华辉信达电子有限公司 | Composite slide structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102413018B1 (en) | Glass material for press molding, method of manufacturing glass material for press molding and method of manufacturing optical element | |
| CA2553898C (en) | Device and method for polishing an optical surface, optical component, and method for the production of a polishing tool | |
| CN105127889B (en) | A kind of self adaptation grinding head for polishing | |
| US20040148997A1 (en) | Shaping method and apparatus of thin metal sheet | |
| CN104175192B (en) | Many annular self adaptation grinding head for polishing | |
| CN103072077A (en) | Double-flexible self-adaptive polishing grinding head | |
| CN111331761A (en) | Slide assembly, mould and method for producing a slide assembly | |
| CN208912916U (en) | Mold is used in a kind of production and processing of auto parts and components | |
| CN207953241U (en) | Aero-engine precision forged blade milling fixture | |
| CN206416458U (en) | Toilet seat mould | |
| CN207858349U (en) | Aero-engine precision forged blade milling and vibration-damping support device | |
| CN102198623A (en) | Elastic fine grinding device for aspherical part | |
| JP4387708B2 (en) | Polishing method and manufacturing method for plastic spectacle lens | |
| JP3673703B2 (en) | Polishing tool | |
| CN210208242U (en) | Stamping die capable of removing burrs | |
| CN210209970U (en) | A novel high-accuracy bistrique for glass processing | |
| CN108889850A (en) | A kind of automobile engine thermostat housing support Bending Mould | |
| CN209688033U (en) | Space flight and aviation fuel pump mirror surface gear | |
| JP4827619B2 (en) | Polisher, method for manufacturing rod-shaped polisher body, and polishing apparatus | |
| CN100497976C (en) | Compact combination linear bearing and its processing method | |
| Klocke et al. | Tooling system for diamond turning of hardened steel moulds with apsheric or non rotational symmetrical geometries | |
| CN102100960A (en) | Method of manufacturing golf club head, golf club head, and head base body | |
| CN218226246U (en) | Cylindrical mirror processing tool with transition groove | |
| CN220592765U (en) | Deep hole polishing and leveling tool and grinding machine | |
| CN108638393A (en) | A kind of modification method of non-trimming plastic mould and the mold |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200626 |