CN217944138U - Bottle blank forming die - Google Patents
Bottle blank forming die Download PDFInfo
- Publication number
- CN217944138U CN217944138U CN202221983448.6U CN202221983448U CN217944138U CN 217944138 U CN217944138 U CN 217944138U CN 202221983448 U CN202221983448 U CN 202221983448U CN 217944138 U CN217944138 U CN 217944138U
- Authority
- CN
- China
- Prior art keywords
- cavity
- mold
- model
- template
- bottle
- 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
Images
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
A bottle preform molding die comprising: the mould comprises an upper mould plate, a lower mould plate, a plurality of first models, a plurality of second models and a plurality of mould benevolence, a plurality of mounting holes have been seted up to the upper mould plate, a first cavity has been seted up to each first model, a second cavity has been seted up to each second model, each second cavity communicates with a first cavity each other, form a die cavity between the inside wall of each mould benevolence and a first cavity and the inside wall of a second cavity, the die cavity is used for injection moulding to obtain the bottle embryo. The inside wall of mounting hole can play to holding the guard action to first model, avoid first model to receive the damage, each first model demountable installation is in each mounting hole, be convenient for install alone and dismantle each first model, thereby can maintain alone according to the concrete damaged condition of each first model, each second model demountable installation is on the lower bolster, thereby can maintain alone according to the concrete damaged condition of each second model, be favorable to improving this bottle embryo forming die's life.
Description
Technical Field
The utility model relates to the technical field of mold, in particular to bottle embryo forming die.
Background
The bottle embryo is a product for obtaining a bottle by blow molding, that is, the bottle embryo is an upstream product of the bottle, the quality of a finished product of the bottle embryo can affect the quality of the bottle obtained by subsequent blow molding, the bottle embryo is generally prepared by injection molding of an injection mold, therefore, the bottle embryo forming mold is a main device for preparing the bottle embryo, the bottle embryo forming mold is generally provided with a bottle embryo-shaped cavity, then a bottle embryo finished product is prepared by thermal injection molding, and the bottle embryo forming mold is widely applied to the processing production of the bottle embryo.
However, in the use process of the existing bottle blank forming mold, mold closing and opening operations are required, and in the use process, collision and abrasion are easy to occur, and damage is easy to occur, so that the bottle blank finished product is poor, and the bottle blank forming mold is complex in structure and inconvenient to maintain, so that the service life of the bottle blank forming mold is shortened.
SUMMERY OF THE UTILITY MODEL
Accordingly, there is a need for a mold for forming a bottle preform.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a bottle preform molding die comprising:
the upper template is provided with a plurality of mounting holes, the mounting holes are arranged at intervals, and the mounting holes respectively penetrate through the side surfaces of two sides of the upper template;
the lower template and the upper template are arranged at intervals and are arranged in parallel;
each first model is detachably arranged in one mounting hole, and each first model is provided with a first cavity;
each second model is detachably arranged on one surface, close to the upper template, of the lower template, and is provided with a second cavity, and each second cavity is communicated with one first cavity; and
the mold comprises a plurality of mold cores, wherein each mold core is arranged in the first cavity and the second cavity, the outer side wall of each mold core and the inner side wall of the first cavity are arranged at intervals, the outer side wall of each mold core and the inner side wall of the second cavity are arranged at intervals, a cavity is formed between each mold core and the inner side wall of the first cavity and the inner side wall of the second cavity, and the cavity is used for injection molding to obtain a bottle blank.
In one embodiment, the mold further comprises a plurality of first bolts, the upper mold plate is provided with a plurality of first threaded holes, and each first bolt is in threaded connection with the inner side wall of one first threaded hole and abuts against one first mold.
In one embodiment, the mold further comprises a plurality of pressing plates, each of the first molds defines an avoiding groove, each of the pressing plates defines a first through hole, and each of the first bolts passes through one of the first through holes to be in threaded connection with the inner side wall of the first threaded hole and abuts against the side wall of one of the avoiding grooves.
In one embodiment, the mold further includes a plurality of second bolts and a plurality of mounting blocks, each of the mounting blocks is disposed on a surface of the lower mold plate close to the upper mold plate, each of the mounting blocks is provided with a second through hole, the lower mold plate is provided with a plurality of second threaded holes, each of the second bolts passes through one of the second through holes and is in threaded connection with an inner sidewall of one of the second threaded holes, and each of the second molds is disposed on one of the mounting blocks.
In one embodiment, the device further comprises a driver, the driver is in driving connection with the upper template, and the driver is used for driving the upper template to be close to or far away from the lower template.
In one embodiment, the mold further comprises a plurality of sealing rings, each sealing ring is sleeved on the outer side wall of one of the first molds and abuts against the inner side wall of one of the mounting holes.
In one embodiment, the mold further comprises a plurality of cold water pipes, each mold core is provided with a cooling cavity, each cold water pipe is partially arranged in one cold water cavity, and each cold water pipe is communicated with one cold water cavity.
In one embodiment, the cooling device further comprises a cooling template, the cooling template is detachably connected with the lower template, a plurality of cooling channels are formed in the cooling template, and each cold water pipe is arranged in one cooling channel.
In one embodiment, the upper template is provided with a first positioning hole, the lower template is provided with a first positioning column, and the first positioning column is movably arranged in the first positioning hole.
In one embodiment, the upper mold plate is provided with a plurality of second positioning holes, each of the mounting blocks is provided with a second positioning column, and each of the second positioning columns is movably arranged in one of the second positioning holes.
Compared with the prior art, the utility model discloses at least, following advantage has:
the utility model discloses a be provided with cope match-plate pattern and lower bolster, can be used for respectively installing each first model and each second model, one-to-one sets up about each first model and each second model, through being provided with mould benevolence, mould benevolence is inserted and is established in first cavity and the second cavity, thereby form a die cavity jointly with first model and second model, through moulding plastics to each die cavity, thereby injection moulding obtains the bottle embryo, specifically, the inside wall of mounting hole can play to holding the guard action to first model, avoid first model to receive the damage, and simultaneously, each first model demountable installation is in each mounting hole, be convenient for install alone and dismantle each first model, thereby can carry out the independent maintenance according to the concrete damaged condition of each first model, and the same way, each second model demountable installation is on the lower bolster, thereby can carry out the independent maintenance according to the concrete damaged condition of each second model, installation and easy maintenance, be favorable to improving this bottle embryo forming die's life.
Drawings
FIG. 1 is a schematic structural diagram of a bottle blank forming mold according to an embodiment;
FIG. 2 is an exploded view of the bottle preform mold of FIG. 1;
FIG. 3 is an exploded view of the bottle preform mold according to one embodiment;
FIG. 4 is a schematic partial structural view of a bottle preform forming mold according to an embodiment;
fig. 5 is a partially enlarged schematic view of a portion a in fig. 1.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The following will combine the drawings of the embodiments of the present invention to further describe the technical solution of the present invention, and the present invention is not limited to the following specific embodiments.
It should be understood that the same or similar reference numerals in the drawings of the embodiments correspond to the same or similar parts. In the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "front", "rear", "left", "right", "top", "bottom", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, the description is merely for convenience of description and simplicity of description, but does not indicate or imply that the equipment or components referred to must have specific orientations, be constructed in specific orientations, and be operated, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art will understand the specific meanings of the terms according to specific situations.
Referring to fig. 1, 2, 4 and 5, in one embodiment, a bottle blank forming mold 10 is provided, which includes an upper mold plate 100, a lower mold plate 200, a plurality of first molds 300, a plurality of second molds 400 and a plurality of mold cores 500. The upper mold plate 100 is provided with a plurality of mounting holes 110, the mounting holes 110 are arranged at intervals, and the mounting holes 110 respectively penetrate through two side surfaces of the upper mold plate 100. The lower template 200 and the upper template 100 are arranged at intervals, and the lower template 200 and the upper template 100 are arranged in parallel. Each of the first molds 300 is detachably disposed in one of the mounting holes 110, and each of the first molds 300 has a first cavity 310. Each of the second molds 400 is detachably disposed on one surface of the lower mold plate 200 close to the upper mold plate 100, each of the second molds 400 has a second cavity 410, and each of the second cavities 410 is communicated with one of the first cavities 310. Each of the mold inserts 500 is disposed in the first cavity 310 and the second cavity 410, an outer sidewall of each of the mold inserts 500 is spaced apart from an inner sidewall of one of the first cavities 310, an outer sidewall of each of the mold inserts 500 is spaced apart from an inner sidewall of one of the second cavities 410, a cavity is formed between each of the mold inserts 500 and the inner sidewalls of one of the first cavities 310 and one of the second cavities 410, and the cavity is used for injection molding to obtain a bottle blank.
It should be noted that the upper template 100 and the lower template 200 are both flat plate-shaped structures, the upper template 100 and the lower template 200 are arranged at intervals up and down, the upper template 100 is provided with a plurality of mounting holes 110, the mounting holes 110 are arranged in a matrix shape on the central axis of the upper template 100, and a neat structure with a plurality of mounting holes 110 can be formed, so that the first models 300 are neatly mounted on the upper template 100, the first models 300 can be detachably mounted on the upper template 100 through bolts, similarly, the second models 400 can be detachably mounted on the lower template 200 near the upper template 100 through bolts, the positions and the number of the second models 400 correspond to those of the first models 300, the first models 300 are arranged in one-to-one correspondence with the second models 400, the first models 300 and the second models 400 are stacked in one-to-one correspondence, so that the first cavities 310 are communicated with the second cavities 410 in one-to-one correspondence, each mold insert 500 is inserted and accommodated in a first cavity 310 and a second cavity 410, in this embodiment, an end portion of the mold insert 500 is connected with an end portion of one end of the second cavity 410 away from the first cavity 310, and is used for sealing an end portion of one end of the second cavity 410 away from the first cavity 310, the mold insert 500 is inserted and arranged in the first mold 300 and the second mold 400, and is arranged at an interval with the first mold 300 and the second mold 400, so that a gap is left between the mold insert 500 and side walls of the first cavity 310 and the second cavity 410, a cavity is formed, injection molding liquid is injected into the first cavity 310 through an external injection molding device, the injection molding liquid fills the whole cavity, and then the whole cavity is formed by cooling, and after mold opening, a bottle blank is obtained, specifically, the inner side walls of the mounting holes 110 can play a role in supporting and protecting the first mold 300, so as to prevent the first mold 300 from being damaged, and meanwhile, each first mold 300 can be detachably mounted in each mounting hole 110, be convenient for install alone and dismantle each first model 300 to can maintain alone according to the concrete damage condition of each first model 300, likewise, each second model 400 demountable installation is on lower bolster 200, thereby can maintain alone according to the concrete damage condition of each second model 400, and installation and easy maintenance are favorable to improving this bottle embryo forming die's life.
Referring to fig. 1 and 5, in an embodiment, the mold further includes a plurality of first bolts 600, the upper mold plate 100 has a plurality of first threaded holes, and each of the first bolts 600 is in threaded connection with an inner sidewall of one of the first threaded holes and abuts against one of the first molds 300. It can be understood that each first threaded hole is arranged on one side of each mounting hole 110 in a one-to-one correspondence manner, so that each first bolt 600 is conveniently mounted on one side of each mounting hole 110, each first bolt 600 is detachably mounted on the upper template 100 through each first threaded hole by being provided with each first bolt 600, and meanwhile, each first bolt 600 is detachably mounted in each mounting hole 110 by abutting against each first model 300 in a one-to-one correspondence manner, so that each first model 300 is detachably mounted in each mounting hole 110.
In order to facilitate the first bolts 600 to better abut against the first models 300, please refer to fig. 1 and 5, in an embodiment, the first bolt further includes a plurality of pressing plates 700, each of the first models 300 has an avoiding groove 320, each of the pressing plates 700 has a first through hole, and each of the first bolts 600 passes through one of the first through holes to be in threaded connection with an inner side wall of the first threaded hole and abuts against a side wall of one of the avoiding grooves 320. It can be understood, through being provided with preforming 700, preforming 700 is flat sheet structure, and simultaneously, first model 300 corresponds has been seted up and has been dodged groove 320, so, can be through preforming 700 pressfitting and dodge groove 320 top, and with dodge groove 320 mutual butt, thereby can play the pressfitting effect, install first model 300 in mounting hole 110, prevent that first model 300 from deviating from, for example, can all be provided with preforming 700 and a first bolt 600 in the left and right sides of a first model 300, thereby can carry out the pressfitting to first model 300 from the left and right sides, be favorable to improving this bottle embryo forming die's structural stability.
Referring to fig. 2 and 3, in an embodiment, the mold further includes a plurality of second bolts 800 and a plurality of mounting blocks 900, each mounting block 900 is respectively disposed on a surface of the lower mold plate 200 close to the upper mold plate 100, each mounting block 900 is provided with a second through hole, the lower mold plate 200 is provided with a plurality of second threaded holes, each second bolt 800 passes through one second through hole to be in threaded connection with an inner sidewall of one second threaded hole, and each second mold 400 is disposed on one mounting block 900. It can be understood that each second model 400 can be installed on each installation block 900 in a one-to-one correspondence manner by arranging each installation block 900, and each installation block 900 can be detachably installed on the lower template 200 by arranging each second bolt 800, so that the detachable installation of the second model 400 and the lower template 200 is realized, the structure is simple, and the installation and the detachment are convenient.
In one embodiment, the apparatus further includes a driver (not shown) which is in driving connection with the upper mold plate 100 and is used for driving the upper mold plate 100 to approach or move away from the lower mold plate 200. It can be understood that, through being provided with the driver, the driver is installed on specific work plane, and the driver is used for being connected with cope match-plate pattern 100 drive, provides drive power for the removal of cope match-plate pattern 100 to make cope match-plate pattern 100 can be close to or keep away from lower bolster 200, thereby realize cope match-plate pattern 100 and lower bolster 200's compound die and die sinking, realize automatic injection moulding operation, be applicable to the industrial production.
Referring to fig. 4, in one embodiment, a plurality of sealing rings 910 are further included, and each sealing ring 910 is sleeved on an outer side wall of one of the first molds 300 and abuts against an inner side wall of one of the mounting holes 110. It can be understood that, through being provided with each sealing washer 910, each sealing washer 910 is located on each first model 300 in a one-to-one correspondence cover, and sealing washer 910 and the lateral wall butt of mounting hole 110, so, can increase the frictional force between first model 300 and the mounting hole 110 inside wall, simultaneously, sealing washer 910 can also play certain shock attenuation cushioning effect, is favorable to improving this bottle embryo forming die's structural stability and life.
Referring to fig. 2, 3 and 4, in an embodiment, the mold further includes a plurality of cold water pipes 920, each mold insert 500 defines a cooling cavity 510, each cold water pipe 920 is partially disposed in one cooling cavity 510, and each cold water pipe 920 is communicated with one cooling cavity 510. It can be understood, through being provided with a plurality of cold water pipes 920, cooling chamber 510 has been seted up at the middle part of mould benevolence 500, cooling chamber 510 sets up and does not communicate with the die cavity mutual interval, cold water pipe 920 can be used for leading-in cold water, specifically, through outside water supply installation, can be to leading-in cold water in each cold water pipe 920, through cold water pipe 920 with cold water leading-in to cooling chamber 510 in, cooling chamber 510 can transmit the temperature to the die cavity, thereby can carry out quick cooling to the fuse-element in the die cavity, be favorable to improving the shaping speed and the production efficiency of bottle embryo.
Referring to fig. 2, 3 and 4, in an embodiment, the mold further includes a cooling mold plate 930, the cooling mold plate 930 is detachably connected to the lower mold plate 200, the cooling mold plate 930 is provided with a plurality of cooling channels 931, and each of the cold water pipes 920 is disposed in one of the cooling channels 931. It can be understood that the cooling template 930 can be used for accommodating each cooling pipe, so that the cooling pipes are protected, the structure is stable, and the practicability is good.
Referring to fig. 2 and 3, in an embodiment, the upper mold plate 100 is provided with a first positioning hole 120, the lower mold plate 200 is provided with a first positioning post 210, and the first positioning post 210 is movably disposed in the first positioning hole 120. It can be understood that, in this embodiment, the first positioning columns 210 are four, and are respectively installed at four corners of the lower template 200, the upper template 100 is provided with four first positioning holes 120 at corresponding positions, and the first positioning columns 210 and the first positioning holes 120 are mutually clamped, so that the positioning and assembling of the upper template 100 and the lower template 200 can be realized, the injection molding precision of the bottle blank forming mold can be improved, and the practicability is good.
Referring to fig. 2 and fig. 3, in order to further improve the injection molding precision of the bottle blank forming mold, in an embodiment, the upper mold plate 100 is provided with a plurality of second positioning holes 130, each of the mounting blocks 900 is provided with a second positioning column 940, and each of the second positioning columns 940 is movably disposed in one of the second positioning holes 130. Through being provided with second reference column 940, can further play the location block effect, can realize the location compound die, the compound die precision is higher, and the practicality is better.
Compared with the prior art, the utility model discloses at least, following advantage has:
the utility model discloses a be provided with cope match-plate pattern and lower bolster, can be used for installing each first model and each second model respectively, one-to-one sets up about each first model and each second model, through being provided with mould benevolence, mould benevolence inserts and establishes in first cavity and the second cavity, thereby form a die cavity jointly with first model and second model, through moulding plastics to each die cavity, thereby injection moulding obtains the bottle embryo, specifically, the inside wall of mounting hole can play to support the guard action to first model, avoid first model to receive the damage, and simultaneously, each first model demountable installation is in each mounting hole, be convenient for install alone and dismantle each first model, thereby can carry out the maintenance alone according to the concrete damage condition of each first model, and the same way, each second model demountable installation is on the lower bolster, thereby can carry out the maintenance alone according to the concrete damage condition of each second model, installation and convenient maintenance, be favorable to improving this bottle embryo forming die's life.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a bottle embryo forming die which characterized in that includes:
the upper template is provided with a plurality of mounting holes, the mounting holes are arranged at intervals, and the mounting holes respectively penetrate through the side surfaces of two sides of the upper template;
the lower template and the upper template are arranged at intervals and are arranged in parallel;
each first model is detachably arranged in one mounting hole, and each first model is provided with a first cavity;
each second model is detachably arranged on one surface, close to the upper template, of the lower template, and is provided with a second cavity, and each second cavity is communicated with one first cavity; and
the mold comprises a plurality of mold cores, wherein each mold core is arranged in the first cavity and the second cavity, the outer side wall of each mold core and the inner side wall of the first cavity are arranged at intervals, the outer side wall of each mold core and the inner side wall of the second cavity are arranged at intervals, a cavity is formed between each mold core and the inner side wall of the first cavity and the inner side wall of the second cavity, and the cavity is used for injection molding to obtain a bottle blank.
2. The mold of claim 1, further comprising a plurality of first bolts, wherein the upper mold plate defines a plurality of first threaded holes, each of the first bolts being in threaded engagement with an inner sidewall of one of the first threaded holes and abutting against one of the first molds.
3. The mold for molding bottle preform according to claim 2, further comprising a plurality of pressing pieces, each of the first molds has an avoiding groove, each of the pressing pieces has a first through hole, and each of the first bolts passes through one of the first through holes to be threadedly connected to the inner sidewall of the first threaded hole and abuts against the sidewall of one of the avoiding grooves.
4. The mold for molding bottle blanks as claimed in claim 1, further comprising a plurality of second bolts and a plurality of mounting blocks, wherein each mounting block is respectively disposed on a surface of the lower mold plate close to the upper mold plate, each mounting block is formed with a second through hole, the lower mold plate is formed with a plurality of second threaded holes, each second bolt passes through one second through hole to be in threaded connection with an inner sidewall of one second threaded hole, and each second mold is disposed on one mounting block.
5. The bottle blank molding die of claim 1, further comprising a driver, wherein the driver is in driving connection with the upper template, and the driver is used for driving the upper template to approach or depart from the lower template.
6. The mold for forming bottle preform as claimed in claim 1, further comprising a plurality of sealing rings, each sealing ring being disposed on an outer sidewall of one of the first molds and abutting against an inner sidewall of one of the mounting holes.
7. The mold of claim 1, further comprising a plurality of cold water pipes, wherein each of the mold inserts defines a cooling cavity, each of the cold water pipes is partially disposed in one of the cooling cavities, and each of the cold water pipes is in communication with one of the cooling cavities.
8. The bottle blank forming mold of claim 7, further comprising a cooling template, wherein the cooling template is detachably connected with the lower template, the cooling template is provided with a plurality of cooling channels, and each cold water pipe is arranged in one of the cooling channels.
9. The bottle blank molding die as claimed in any one of claims 1 to 8, wherein the upper template is provided with a first positioning hole, the lower template is provided with a first positioning post, and the first positioning post is movably arranged in the first positioning hole.
10. The mold of claim 4, wherein the upper mold plate defines a plurality of second positioning holes, each of the mounting blocks defines a second positioning post, and each of the second positioning posts is movably disposed in one of the second positioning holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221983448.6U CN217944138U (en) | 2022-07-29 | 2022-07-29 | Bottle blank forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221983448.6U CN217944138U (en) | 2022-07-29 | 2022-07-29 | Bottle blank forming die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217944138U true CN217944138U (en) | 2022-12-02 |
Family
ID=84224597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221983448.6U Active CN217944138U (en) | 2022-07-29 | 2022-07-29 | Bottle blank forming die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217944138U (en) |
-
2022
- 2022-07-29 CN CN202221983448.6U patent/CN217944138U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN217944138U (en) | Bottle blank forming die | |
| CN213353181U (en) | Positioning and guiding mechanism for thread insert processing die | |
| CN211279513U (en) | Precision mold convenient to maintain | |
| CN215472726U (en) | Air cooling mould | |
| CN111469353B (en) | Mold device and molding system | |
| CN211941865U (en) | One-mold double-outlet large-scale deep-cavity environmental sanitation plastic garbage can injection mold | |
| CN112223670A (en) | Injection mold frame with inclined top matching | |
| CN113619056A (en) | Die casting die with elastic core eliminates stress concentration at forming part | |
| CN221161335U (en) | Injection mold | |
| CN221212564U (en) | Common injection mold with replacement mechanism | |
| CN219883160U (en) | Barrel plastic part injection mold with anti-deformation uniform cooling mechanism | |
| CN214920250U (en) | Tin bar die assembly easy to demould | |
| CN217144718U (en) | Handle forming device | |
| CN218892162U (en) | Injection mold convenient to form removal | |
| CN212042495U (en) | Convenient die device is dismantled in installation | |
| CN215661647U (en) | Ejecting structure of drawing of patterns of mould | |
| CN217803047U (en) | But mould embryo structure of quick replacement mold core | |
| CN217293214U (en) | Quick-release injection mold for injection molding machine | |
| CN211843018U (en) | Stereo set shell injection mold of high smooth degree | |
| CN213798210U (en) | Combined inflation-free explosion-proof tire mold | |
| CN213766928U (en) | Mould is used in automobile parts production and processing | |
| CN217670807U (en) | Production mold for combined hexagonal flowerpot | |
| CN219028314U (en) | Novel forming die for air conditioner panel | |
| CN112571729A (en) | But mould of quick replacement concavo-convex mould with cooling device | |
| CN212554801U (en) | Mould for bumper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |