CN221336367U - Part casting mold processing - Google Patents
Part casting mold processing Download PDFInfo
- Publication number
- CN221336367U CN221336367U CN202323536857.9U CN202323536857U CN221336367U CN 221336367 U CN221336367 U CN 221336367U CN 202323536857 U CN202323536857 U CN 202323536857U CN 221336367 U CN221336367 U CN 221336367U
- Authority
- CN
- China
- Prior art keywords
- die holder
- lower die
- sleeve
- fixing
- welded
- 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
- 238000005266 casting Methods 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 238000003825 pressing Methods 0.000 claims abstract description 9
- 230000000670 limiting effect Effects 0.000 claims description 34
- 238000007723 die pressing method Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 abstract description 32
- 230000008569 process Effects 0.000 abstract description 29
- 238000003754 machining Methods 0.000 abstract description 11
- 239000002994 raw material Substances 0.000 abstract description 10
- 230000000712 assembly Effects 0.000 abstract description 3
- 238000000429 assembly Methods 0.000 abstract description 3
- 238000004080 punching Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 7
- 238000007493 shaping process Methods 0.000 description 6
- 238000001746 injection moulding Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a part casting processing die which is applied to the field of machining of mechanical parts and comprises a workbench, wherein a fixing frame is welded at the top of the workbench, a placing groove is formed at the top of the workbench, a lower die holder is placed in the placing groove, a pressing die mechanism is arranged between the fixing frame and the workbench, an ejection mechanism is arranged in the lower die holder, guide assemblies are arranged on two inner side walls of the fixing frame, the pressing die mechanism is arranged to punch and form mechanical part raw materials in the lower die holder, the pressing die mechanism can move up and down, the working efficiency of the whole punching and forming process is improved, and the ejection mechanism is arranged to eject the formed mechanical part after the mechanical part is punched and formed, so that the adhesion between the formed mechanical part and the lower die holder is avoided, and the complicated process of manual die taking is replaced.
Description
Technical Field
The utility model belongs to the technical field of machining of mechanical parts, and particularly relates to a part casting machining die.
Background
The machine part, also called machine element, is an integral piece of machinery and machine, which is the basic unit of the machine, and the tooling mold is an integral part of the process of machining the machine part.
The current bulletin number is: the utility model discloses a machine part machining die convenient to clamp, which belongs to the technical field of machine part machining and particularly relates to a machine part machining die convenient to clamp, which effectively solves the problems of low automation degree, time and labor waste and insufficient and stable clamping of parts of the traditional machine part machining die, and achieves the purposes of high automation degree, time and labor saving and more stable clamping of the parts of the machine part machining die convenient to clamp.
The machine part machining die is high in automation degree, time-saving and labor-saving, and capable of clamping parts more firmly, and the machine part machining die is convenient to clamp, but is not capable of jacking the stamped parts, so that the stamped parts are troublesome to take out.
Disclosure of utility model
The utility model aims to provide a part casting processing die, which solves the problem that the existing part casting processing die does not jack up a stamped part, so that the stamped part is troublesome to take out.
The technical aim of the utility model is achieved by the following technical scheme that the part casting processing die comprises a workbench, wherein a fixing frame is welded at the top of the workbench, a placing groove is formed in the top of the workbench, a lower die holder is placed in the placing groove, a die pressing mechanism is arranged between the fixing frame and the workbench, an ejection mechanism is arranged in the lower die holder, and guide assemblies are arranged on two inner side walls of the fixing frame;
The die pressing mechanism comprises a hydraulic cylinder, a push rod, a moving plate, an upper die holder, a first fixing plate and first fixing bolts, wherein the hydraulic cylinder is bolted to the inner top of the fixing frame, the push rod is fixedly connected to the output end of the hydraulic cylinder, the moving plate is fixedly connected to the bottom end of the push rod, the upper die holder is arranged at the bottom of the moving plate and matched with the lower die holder for use, the first fixing plates are welded to two side walls of the upper die holder, and the three first fixing bolts penetrate through the first fixing plates to the inside of the moving plate and are uniformly distributed at equal intervals.
By adopting the technical scheme, through setting up workstation, the mount, the standing groove, the die holder, die pressing mechanism, ejection mechanism and direction subassembly, when using, place the die holder in the inside of standing groove, when carrying out stamping forming to the mechanical parts, place the mechanical parts raw materials in the inside of die holder earlier, through setting up die pressing mechanism, can carry out stamping forming to the inside mechanical parts raw materials of die holder, die pressing mechanism can reciprocate, the work efficiency of whole stamping forming process has been improved, through setting up ejection mechanism, after mechanical parts stamping forming, ejection mechanism can be ejecting the mechanical parts after the shaping, mechanical parts after avoiding the shaping and die holder adhesion, replaced artifical loaded down with trivial details process of getting the mould simultaneously, through setting up direction subassembly, can lead and spacing to die pressing mechanism, improve the stability of die pressing mechanism in stamping forming process greatly.
The utility model is further provided with: the ejection mechanism comprises a placing cavity, a sleeve, a loop bar, a spring and a rubber pad, wherein the two placing cavities are formed in the lower die holder, the sleeve is fixedly connected to the inside of the placing cavity, the loop bar is sleeved in the sleeve, the loop bar penetrates through the sleeve and the lower die holder, one end of the spring is welded to the inner bottom of the sleeve, the other end of the spring is welded to the bottom of the loop bar, and the rubber pad is fixedly connected to the top of the loop bar.
By adopting the technical scheme, through setting up and placing chamber, sleeve, loop bar, spring and rubber pad, when upper die base and die holder matched with carry out stamping forming to the mechanical part raw materials, the loop bar receives the power and can move down in the sleeve, and the spring contracts this moment, and after injection moulding is accomplished, the upper die base follows the movable plate and upwards moves, and the spring resumes deformation this moment, can be ejecting the mechanical part after the shaping, avoids mechanical part after the shaping and die holder adhesion, has replaced artifical loaded down with trivial details process of getting the mould simultaneously.
The utility model is further provided with: the guide assembly comprises limiting blocks and guide grooves, the limiting blocks are welded on two side walls of the moving plate, the number of the limiting blocks is two, and the guide grooves are formed in the inner side walls of the fixing frame and are in sliding connection with the limiting blocks.
By adopting the technical scheme, through setting up stopper and guide way, the movable plate can follow the track of removal along the guide way and remove at the removal in-process, has played the effect of leading and spacing to the removal process of movable plate, improves the stability of upper die base and die holder in the stamping forming in-process simultaneously.
The utility model is further provided with: the two side walls of the lower die holder are welded with second fixing plates, the tops of the second fixing plates are bolted with second fixing bolts, and the second fixing bolts penetrate through the second fixing plates to the tops of the work tables.
By adopting the technical scheme, through setting up second fixed plate and second fixing bolt, run through second fixed plate and workstation through second fixing bolt and carry out the bolt to be convenient for die holder and workstation install and dismantle.
The utility model is further provided with: four positioning columns are welded at the top of the lower die holder and distributed at four corners of the top of the lower die holder, and positioning holes spliced with the positioning columns are formed in the bottom of the upper die holder.
By adopting the technical scheme, through setting up reference column and locating hole, when the upper die base follows the movable plate and laminate with the die holder and be connected, the reference column at die holder top can insert in the locating hole of die holder bottom, has reached the effect of fixing a position upper die base and die holder laminating connection process, has improved the stability of upper die base and die holder in the stamping forming in-process simultaneously.
The utility model is further provided with: the inside of guide way is provided with the gag lever post, the both ends of gag lever post respectively with the interior top and the interior bottom fixed connection of guide way, the gag lever post runs through the stopper and with stopper sliding connection.
By adopting the technical scheme, when the limiting block moves along the track of the guide groove through the limiting rod, the limiting block simultaneously moves on the limiting rod, so that the effect that the limiting block moves more stably is achieved by limiting the moving process of the limiting block.
The utility model is further provided with: the inner bottom of the sleeve is fixedly connected with a limiting block, and the distance between the bottom of the loop bar and the top of the limiting block is equal to the height of the loop bar plus the rubber pad.
By adopting the technical scheme, the moving process of the loop bar can be limited by arranging the limiting block, so that the loop bar is prevented from driving the rubber pad to completely enter the sleeve.
In summary, the utility model has the following beneficial effects:
By arranging the pressing die mechanism, the mechanical part raw materials in the lower die holder can be subjected to stamping forming, and the pressing die mechanism can move up and down, so that the working efficiency of the whole stamping forming process is improved.
Through setting up ejection mechanism, after machine part stamping forming, ejection mechanism can be ejecting with the machine part after the shaping, avoids machine part after the shaping and die holder adhesion, has replaced the loaded down with trivial details process of manual work die sinking simultaneously.
Through setting up the direction subassembly, can lead and spacing to die press mechanism, improve die press mechanism's stability in the stamping forming process greatly.
Based on the improvement point, the device has the advantages that the whole technical effect of avoiding adhesion between the formed mechanical part and the lower die holder and simultaneously replacing the complicated process of manual die taking.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a right side view of the present utility model;
FIG. 3 is a perspective cross-sectional view at A-A of the present utility model;
FIG. 4 is an enlarged view of the utility model at A in FIG. 3;
FIG. 5 is a schematic view of the structure of the press mold mechanism of the present utility model;
FIG. 6 is a schematic view of the structure of the guide assembly and stop bar of the present utility model;
FIG. 7 is a schematic view showing the structure of the placement groove, the second fixing plate and the second fixing bolt in the present utility model;
Fig. 8 is a schematic view of the structure of the positioning column and the positioning hole in the present utility model.
In the figure, 1, a workbench; 2. a fixing frame; 3. a placement groove; 4. a lower die holder; 5. a compression molding mechanism; 501. a hydraulic cylinder; 502. a push rod; 503. a moving plate; 504. an upper die holder; 505. a first fixing plate; 506. a first fixing bolt; 6. an ejection mechanism; 601. a placement cavity; 602. a sleeve; 603. a loop bar; 604. a spring; 605. a rubber pad; 7. a guide assembly; 701. a limiting block; 702. a guide groove; 8. a second fixing plate; 9. a second fixing bolt; 10. positioning columns; 11. positioning holes; 12. a limit rod; 13. the block is restricted.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
Examples:
Referring to fig. 1-8, the present utility model provides the following technical solutions: the part casting processing die comprises a workbench 1, wherein a fixing frame 2 is welded at the top of the workbench 1, a placing groove 3 is formed in the top of the workbench 1, a lower die holder 4 is placed in the placing groove 3, a pressing die mechanism 5 is arranged between the fixing frame 2 and the workbench 1, an ejection mechanism 6 is arranged in the lower die holder 4, and guide assemblies 7 are arranged on two inner side walls of the fixing frame 2;
The pressing die mechanism 5 comprises a hydraulic cylinder 501, a push rod 502, a moving plate 503, an upper die holder 504, a first fixing plate 505 and a first fixing bolt 506, wherein the hydraulic cylinder 501 is bolted on the inner top of the fixed frame 2, the push rod 502 is fixedly connected with the output end of the hydraulic cylinder 501, the moving plate 503 is fixedly connected with the bottom end of the push rod 502, the upper die holder 504 is arranged at the bottom of the moving plate 503 and the lower die holder 4 is matched with the upper die holder, the first fixing plate 505 is welded on two side walls of the upper die holder 504, three first fixing bolts 506 penetrate through the first fixing plate 505 to the inner part of the moving plate 503 and are uniformly distributed at equal intervals, and when in use, the pressing die mechanism 5, the ejection mechanism 6 and the guide assembly 7 are arranged by arranging the workbench 1, the fixed frame 2, the placing groove 3, the lower die holder 4, the die holder 4 is placed in the placing groove 3, when the mechanical parts are subjected to punch forming, firstly, the mechanical part raw materials are placed in the die holder 4, the die pressing mechanism 5 is arranged, the mechanical part raw materials in the die holder 4 can be subjected to punch forming, the die pressing mechanism 5 can move up and down, the working efficiency of the whole punch forming process is improved, the ejector mechanism 6 is arranged, after the mechanical parts are subjected to punch forming, the ejector mechanism 6 ejects the formed mechanical parts, the adhesion between the formed mechanical parts and the die holder 4 is avoided, the complicated process of manual die taking is replaced, the die pressing mechanism 5 can be guided and limited by arranging the guide assembly 7, and the stability of the die pressing mechanism 5 in the punch forming process is greatly improved.
Referring to fig. 4, the ejection mechanism 6 includes a placing cavity 601, a sleeve 602, a sleeve rod 603, a spring 604 and a rubber pad 605, wherein the two placing cavities 601 are formed in the lower die holder 4, the sleeve 602 is fixedly connected in the placing cavity 601, the sleeve rod 603 is sleeved in the sleeve 602, the sleeve rod 603 penetrates through the sleeve 602 and the lower die holder 4, one end of the spring 604 is welded at the inner bottom of the sleeve 602, the other end of the spring 604 is welded at the bottom of the sleeve rod 603, the rubber pad 605 is fixedly connected at the top of the sleeve rod 603, the sleeve 602, the sleeve rod 603, the spring 604 and the rubber pad 605 are fixedly connected, when the upper die holder 504 is matched with the lower die holder 4 to perform press forming on mechanical part raw materials, the sleeve rod 603 is stressed to move downwards in the sleeve 602, the spring 604 contracts at the moment, the upper die holder 504 moves upwards along with the moving plate 503 after injection molding is finished, the spring 604 is deformed in a recovery mode, the formed mechanical part is ejected, the formed mechanical part is prevented from being adhered with the lower die holder 4, and the complex process of manually taking a die is replaced.
Referring to fig. 6, the guide assembly 7 includes a limiting block 701 and a guiding groove 702, the limiting block 701 is welded on two side walls of the moving plate 503, the number of the limiting blocks 701 is two, the guiding groove 702 is formed in the inner side wall of the fixing frame 2 and is slidably connected with the limiting block 701, the limiting block 701 moves along the track of the guiding groove 702 along with movement of the moving plate 503 in the moving process of the moving plate 503, guiding and limiting effects on the moving process of the moving plate 503 are achieved, and meanwhile stability of the upper die holder 504 and the lower die holder 4 in the stamping forming process is improved.
Referring to fig. 7, the two side walls of the lower die holder 4 are welded with second fixing plates 8, the top of the second fixing plate 8 is bolted with second fixing bolts 9, the second fixing bolts 9 penetrate through the second fixing plates 8 to the top of the workbench 1, and by arranging the second fixing plates 8 and the second fixing bolts 9, the second fixing plates 8 penetrate through the second fixing bolts 9 to be bolted with the workbench 1, so that the lower die holder 4 and the workbench 1 are convenient to mount and dismount.
Referring to fig. 8, four positioning columns 10 are welded at the top of the lower die holder 4 and are distributed at four corners of the top of the lower die holder 4, positioning holes 11 spliced with the positioning columns 10 are formed in the bottom of the upper die holder 504, and when the upper die holder 504 follows the moving plate 503 to be in lamination connection with the lower die holder 4 through the positioning columns 10 and the positioning holes 11, the positioning columns 10 at the top of the lower die holder 4 are inserted into the positioning holes 11 at the bottom of the lower die holder 4, so that the effect of positioning the upper die holder 504 and the lower die holder 4 in lamination connection is achieved, and meanwhile, the stability of the upper die holder 504 and the lower die holder 4 in the punching forming process is improved.
Referring to fig. 6, a stop lever 12 is provided in the guide groove 702, two ends of the stop lever 12 are fixedly connected with the inner top and the inner bottom of the guide groove 702 respectively, the stop lever 12 penetrates through the stop block 701 and is slidably connected with the stop block 701, when the stop block 701 moves along the track of the guide groove 702 by arranging the stop lever 12, the stop block 701 simultaneously moves on the stop lever 12, and the effect of limiting the moving process of the stop block 701 and enabling the stop block 701 to move more stably is achieved.
Referring to fig. 4, a limiting block 13 is fixedly connected to the inner bottom of the sleeve 602, the distance between the bottom of the sleeve 603 and the top of the limiting block 13 is equal to the height of the sleeve 603 plus the rubber pad 605, and the limiting block 13 is arranged to limit the moving process of the sleeve 603, so that the sleeve 603 is prevented from driving the rubber pad 605 to completely enter the sleeve 602.
The use process is briefly described: when the die holder is used, firstly, the mechanical part raw materials are placed in the die holder 4, the hydraulic cylinder 501 is started, the hydraulic cylinder 501 can drive the push rod 502 to move downwards, meanwhile, the push rod 502 can drive the moving plate 503 to move downwards, the limiting blocks 701 on the two side walls of the moving plate 503 can move along the track of the guide groove 702, the upper die holder 504 can move downwards along with the moving plate 503, the effect of guiding and limiting the moving process of the moving plate 503 is achieved, meanwhile, the stability of the upper die holder 504 and the lower die holder 4 in the stamping forming process is improved, at the moment, the upper die holder 504 can be matched with the lower die holder 4 to carry out stamping forming on the mechanical part raw materials, the working efficiency of the whole stamping forming is improved, the force of the sleeve rod 603 on the upper die holder 504 can move downwards in the sleeve 602, at the moment, the spring 604 contracts, after the stamping forming is finished, the upper die holder 504 moves upwards along with the moving plate 503, at the moment, the spring 604 recovers deformation, the formed mechanical part is ejected out, the mechanical part after the forming is prevented from being adhered with the lower die holder 4, and the complex process of taking the die manually is replaced.
The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.
Claims (7)
1. Part casting mold processing, including workstation (1), its characterized in that: the top of the workbench (1) is welded with a fixing frame (2), the top of the workbench (1) is provided with a placing groove (3), a lower die holder (4) is placed in the placing groove (3), a pressing die mechanism (5) is arranged between the fixing frame (2) and the workbench (1), an ejection mechanism (6) is arranged in the lower die holder (4), and guide components (7) are arranged on two inner side walls of the fixing frame (2);
The die pressing mechanism (5) comprises a hydraulic cylinder (501), a push rod (502), a movable plate (503), an upper die holder (504), a first fixing plate (505) and first fixing bolts (506), wherein the hydraulic cylinder (501) is bolted to the inner top of a fixed frame (2), the push rod (502) is fixedly connected to the output end of the hydraulic cylinder (501), the movable plate (503) is fixedly connected to the bottom end of the push rod (502), the upper die holder (504) is arranged at the bottom of the movable plate (503) and the lower die holder (4) are matched for use, the first fixing plates (505) are welded on two side walls of the upper die holder (504), and the three first fixing bolts (506) penetrate through the first fixing plates (505) to the inside of the movable plate (503) and are uniformly distributed at equal intervals.
2. A part casting mold according to claim 1, wherein: the ejection mechanism (6) comprises a placing cavity (601), a sleeve (602), a loop bar (603), a spring (604) and a rubber pad (605), wherein the placing cavity (601) is formed in the lower die holder (4), the sleeve (602) is fixedly connected in the placing cavity (601), the loop bar (603) is sleeved in the sleeve (602), the loop bar (603) penetrates through the sleeve (602) and the lower die holder (4), one end of the spring (604) is welded at the inner bottom of the sleeve (602), the other end of the spring (604) is welded at the bottom of the loop bar (603), and the rubber pad (605) is fixedly connected at the top of the loop bar (603).
3. A part casting mold according to claim 1, wherein: the guide assembly (7) comprises limiting blocks (701) and guide grooves (702), the limiting blocks (701) are welded on two side walls of the movable plate (503), the number of the limiting blocks (701) is two, and the guide grooves (702) are formed in the inner side walls of the fixing frame (2) and are in sliding connection with the limiting blocks (701).
4. A part casting mold according to claim 1, wherein: the two side walls of the lower die holder (4) are welded with second fixing plates (8), second fixing bolts (9) are bolted to the tops of the second fixing plates (8), and the second fixing bolts (9) penetrate through the second fixing plates (8) to the tops of the work tables (1).
5. A part casting mold according to claim 1, wherein: four positioning columns (10) are welded at the top of the lower die holder (4) and distributed at four corners of the top of the lower die holder (4), and positioning holes (11) spliced with the positioning columns (10) are formed in the bottom of the upper die holder (504).
6. A part casting mold according to claim 3, wherein: the inside of guide way (702) is provided with gag lever post (12), gag lever post (12) both ends respectively with the interior top and the interior bottom fixed connection of guide way (702), gag lever post (12) run through stopper (701) and with stopper (701) sliding connection.
7. A part casting mold according to claim 2, wherein: the inner bottom of the sleeve (602) is fixedly connected with a limiting block (13), and the distance between the bottom of the loop bar (603) and the top of the limiting block (13) is equal to the height of the loop bar (603) plus a rubber pad (605).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323536857.9U CN221336367U (en) | 2023-12-25 | 2023-12-25 | Part casting mold processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323536857.9U CN221336367U (en) | 2023-12-25 | 2023-12-25 | Part casting mold processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221336367U true CN221336367U (en) | 2024-07-16 |
Family
ID=91842177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323536857.9U Active CN221336367U (en) | 2023-12-25 | 2023-12-25 | Part casting mold processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221336367U (en) |
-
2023
- 2023-12-25 CN CN202323536857.9U patent/CN221336367U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215237091U (en) | Hardware precision mold with rapid material ejecting structure | |
| CN110695217A (en) | Automobile rear axle die | |
| CN221336367U (en) | Part casting mold processing | |
| CN215237080U (en) | Hot press forming device | |
| CN212551214U (en) | Numerical control copper automatic punching machine | |
| CN219006764U (en) | Sealing washer mold processing | |
| CN220177986U (en) | Automobile rear longitudinal beam stamping die | |
| CN218697791U (en) | Oilstone forming mechanism | |
| CN217912574U (en) | Automatic material taking mechanism for stamping PIN needles | |
| CN213793766U (en) | Stamping die for precision machining | |
| CN218963815U (en) | Stamping die | |
| CN219988363U (en) | Access rod positioning block die of meniscus stitching nail | |
| CN221089749U (en) | Automatic iron core punching structure | |
| CN221388379U (en) | Oblique ejection device for mold | |
| CN220784571U (en) | Dust cover top die mechanism | |
| CN220196274U (en) | Lost foam mould of large-scale lathe spare | |
| CN220995339U (en) | Plastic mould demoulding mechanism | |
| CN220612080U (en) | Cylinder gasket stamping die blanking mechanism | |
| CN220841233U (en) | Secondary demolding mold | |
| CN217252118U (en) | Tensile mould is used in resonance bar processing | |
| CN215435193U (en) | Automatic stripping type die | |
| CN220028352U (en) | High-strength steel plate forming die | |
| CN221339608U (en) | Plastic hot melting tool convenient for replacing templates | |
| CN218283353U (en) | Apron production facility | |
| CN221087058U (en) | Automobile decoration strip extrusion die |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |