CN114275225A - Code spraying and thread tooth protecting device - Google Patents
Code spraying and thread tooth protecting device Download PDFInfo
- Publication number
- CN114275225A CN114275225A CN202210109523.4A CN202210109523A CN114275225A CN 114275225 A CN114275225 A CN 114275225A CN 202210109523 A CN202210109523 A CN 202210109523A CN 114275225 A CN114275225 A CN 114275225A
- Authority
- CN
- China
- Prior art keywords
- adhesive tape
- thread
- lifting
- code spraying
- lifting mechanism
- 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
Images
Abstract
The invention discloses a code spraying and thread tooth protecting device, which comprises: a support frame; a clamping cylinder for clamping a workpiece; an adhesive tape disc for winding an adhesive tape; the lifting mechanism is arranged on the supporting frame in a lifting manner corresponding to the position of the clamping cylinder; the scissor mechanism is movably arranged on the supporting frame corresponding to the position of the lifting mechanism close to the side part of the adhesive tape disc; the packing mechanism is arranged on the lifting mechanism in a lifting way corresponding to the position of the screw thread on the workpiece; the ink-jet printer is fixed on the support frame corresponding to the position where the adhesive tape passes through; the position of a workpiece close to the thread is clamped through the clamping cylinder, the free end of the adhesive tape on the adhesive tape disc is pulled to the lifting mechanism, the code spraying machine sprays codes on the adhesive tape at the position where the adhesive tape passes through, the adhesive tape with the code sprayed is cut off through the scissor mechanism, the lifting mechanism lifts the cut adhesive tape to the position of the thread on the workpiece, and the packing mechanism is lifted upwards and winds the adhesive tape on the thread in a smooth manner. The double effects of code spraying and thread tooth protection are perfectly achieved.
Description
Technical Field
The invention relates to the technical field of mechanical picking, in particular to a code spraying and thread tooth protecting device.
Background
The existing thread tooth protection at present is that the rubber sleeve is covered to the manual work, and is inefficient, is difficult to realize the automation, also can not satisfy the requirement of modern intelligent factory in addition, spouts a yard to the reinforcing bar and prints.
Disclosure of Invention
Based on the above disadvantages in the prior art. The invention provides an automatic die replacing mechanism for a steel bar bending machine, which improves the working efficiency and ensures the safety and reliability of the working process.
The technical scheme adopted by the invention is as follows:
a code spraying and thread tooth protecting device comprises:
a support frame;
the clamping cylinder is used for clamping a workpiece and is fixed at one end of the supporting frame;
the adhesive tape disc is used for winding an adhesive tape and is fixed at the other end of the supporting frame;
the lifting mechanism is arranged on the supporting frame in a lifting manner corresponding to the position of the clamping cylinder;
the scissor mechanism is movably arranged on the supporting frame corresponding to the position of the lifting mechanism, which is close to the side part of the adhesive tape disc;
the packing mechanism is arranged on the lifting mechanism in a lifting way corresponding to the position of the screw thread on the workpiece;
the ink-jet printer is fixed on the support frame corresponding to the position where the adhesive tape passes through;
the clamping cylinder clamps the position of a workpiece close to the thread, the free end of the adhesive tape on the adhesive tape disc is pulled to the lifting mechanism, the code spraying machine sprays codes on the adhesive tape at the position where the adhesive tape passes through, the adhesive tape with the code sprayed is cut off through the scissor mechanism, the lifting mechanism lifts the cut adhesive tape to the position of the thread on the workpiece, and the packing mechanism is lifted upwards and winds the adhesive tape on the thread in a smooth manner.
Optionally, a paper guiding mechanism is further included, and the lifting mechanism is movably mounted corresponding to the free end position of the adhesive tape.
Optionally, the paper guide mechanism includes a servo motor telescopically mounted on the lifting mechanism corresponding to the moving direction of the adhesive tape, and a lifting cylinder mounted at the front end of the servo motor in a lifting manner.
Optionally, a suction cup is arranged on the ascending cylinder.
Optionally, a plurality of suction cups are provided on the support frame corresponding to the positions where the adhesive tapes pass through.
Optionally, a rubber belt supporting plate is arranged on the supporting frame corresponding to the position where the rubber belt passes through, and a pressing wheel is arranged above the rubber belt supporting plate.
Optionally, the inkjet printer is fixed below the adhesive tape supporting plate, and a code spraying port is formed in the position, corresponding to the inkjet printer, of the adhesive tape supporting plate.
Optionally, the position of the adhesive tape supporting plate corresponding to the scissors mechanism is broken to form a cutting channel for the scissors mechanism to move.
Optionally, the lifting mechanism comprises a liftable operating table and a lifting cylinder in driving connection with the operating table, and an upper plate flush with the adhesive tape supporting plate in an initial state is arranged on the operating table.
Optionally, the packing mechanism including go up and down install in the packing cylinder of operation mesa below, the top of packing cylinder is equipped with the reed, the reed shape is unanimous with the work piece external diameter and the upper end is opened and is formed elasticity and to pressing the mouth, operation mesa with seted up the confession on the upper plate the hole that the reed passed.
Due to the adoption of the technical scheme, the invention has the beneficial effects that: according to the requirements of an actual modern intelligent factory, code spraying printing is added, and traceability of materials is achieved; meanwhile, an automatic labeling process is adopted, and the requirements of the reinforcing steel bars from 16# to 40# are met. The two are combined, and the dual effects of code spraying and thread tooth protection are perfectly achieved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic view of an overall structure of a code spraying and thread tooth protecting device according to an embodiment of the present invention.
Fig. 2 is a partial front view of a code spraying and thread tooth protecting device provided in an embodiment of the present invention.
Fig. 3 is a partial top view of a device for code spraying and thread tooth protection according to an embodiment of the present invention.
Fig. 4 is a schematic perspective view of a lifting mechanism according to an embodiment of the present invention.
Fig. 5 is a schematic perspective view of a packing mechanism according to an embodiment of the present invention.
Fig. 6 is a schematic diagram illustrating the final effect of the reinforcing steel bar thread protection provided by the embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, an embodiment of the present invention provides a device for code spraying and thread tooth protection, the device mainly includes:
a support frame 1;
the clamping cylinder 2 is used for clamping a workpiece, the workpiece adopts a steel bar 10 with screw teeth, the top of the clamping cylinder 2 is provided with a block for clamping the position of the steel bar 10 close to the screw teeth, and the lower end of the clamping cylinder 2 is fixed at one end of the supporting frame 1 through a steel bracket;
an adhesive tape disc 3 for winding an adhesive tape 30, wherein the adhesive tape disc 3 is vertically arranged and fixed at the other end of the supporting frame 1 through another steel bracket; the adhesive tape 30 is wound on the adhesive tape disc 3, so that the adhesive tape 30 is convenient to store, and the free end of the adhesive tape 30 is positioned at the lower end of the adhesive tape disc 3 and close to one side of the clamping cylinder 2;
a lifting mechanism 4 which is installed in the support frame 1 so as to be capable of lifting corresponding to the position of the clamping cylinder 2;
a scissor mechanism 5 movably mounted on the support frame 1 corresponding to the lifting mechanism 4 at a position close to the side of the adhesive tape disc 3;
the packing mechanism 6 is arranged on the lifting mechanism 4 in a lifting way corresponding to the position of the screw thread on the reinforcing steel bar 10;
the ink-jet printer 7 is fixed on the support frame 1 corresponding to the position where the adhesive tape 30 passes through;
the position that presss from both sides tight reinforcing bar 10 through die clamping cylinder 2 and is close to the silk thread, pull the free end of sticky tape 30 on the sticky tape dish 3 to hoist mechanism 4 on, ink jet numbering machine 7 spouts the sign indicating number to sticky tape 30 in the position that sticky tape 30 passed through, cut out down through scissors mechanism 5 and spout the sticky tape 30 that the sign indicating number was accomplished, hoist mechanism 4 promotes sticky tape 30 under cutting to the position that the silk thread was gone up to reinforcing bar 10, 6 upwards lifts of baling mechanism and twines sticky tape 30 on the silk thread in the same place, perfect accomplished spout the dual effect of sign indicating number and silk thread protection.
Further, the device for protecting the code spraying and the thread tooth provided by the embodiment of the invention further comprises a paper guiding mechanism 8, and the paper guiding mechanism 8 is movably arranged on the lifting mechanism 4 corresponding to the free end position of the adhesive tape 30.
The lifting mechanism 4 comprises a liftable operating table 41 and a lifting cylinder 42 in driving connection with the operating table 41, the lower end of the lifting cylinder 42 is relatively fixed with the supporting frame 1, the upper end of the lifting cylinder 42 is fixed with the lower surface of the operating table 41, four corners of the operating table 41 are respectively provided with telescopic supporting legs 44, and the lower ends of the telescopic supporting legs 44 are relatively fixed with the supporting frame 1. The operation table 41 can be driven by the lifting cylinder 42 to ascend or descend relative to the support frame 1. An upper plate 43 is erected above the operation table 41 through a steel bracket, and the upper plate 43 is positioned in the middle of the operation table 41 and is aligned to the position of the thread on the reinforcing steel bar 10.
The paper guiding mechanism 8 is disposed between the operation table 41 and the upper plate 43, the paper guiding mechanism 8 further includes a servo motor 81 telescopically mounted on the operation table 41 corresponding to the moving direction of the adhesive tape and a lifting cylinder 82 mounted at the front end of the servo motor 81 in a lifting manner, and a first suction disc 83 is disposed at the top of the lifting cylinder 82 for sucking the free end of the adhesive tape 30. The lifting cylinder 82 is driven by the servo motor 81 to extend forward to the drawing position I of the free end of the cut adhesive tape 30 shown in fig. 2 and 3, after the drawing position I is reached, the lifting cylinder 82 is lifted, the first suction disc 83 is started and sucks the back surface of the adhesive tape 30, under the reverse action of the servo motor 81, the adhesive tape 30 is pulled back to the upper plate 43, and the upper plate 43 is grooved at the middle position of the side close to the adhesive tape disc 3 so that the lifting cylinder 82 drags the adhesive tape 30 to move to the upper plate 43. After the free end of the tape 30 reaches the threading position II, the first suction cup 83 is turned off, and the lifting cylinder 82 retracts, completing one threading process.
The supporting frame 1 is provided with an adhesive tape supporting plate 11 corresponding to the position where the adhesive tape passes through, the upper surface of the adhesive tape supporting plate 11 and the upper surface of the upper plate 43 are respectively provided with a plurality of second suction cups 13 for sucking the back surface of the adhesive tape 30, and a plurality of groups of pressing wheels 12 are erected above the adhesive tape supporting plate 11 through a bracket for pressing the upper surface of the adhesive tape 30. The ink jet numbering machine 7 is fixed below the adhesive tape supporting plate 11, an ink jet numbering opening is formed in the position, corresponding to the ink jet numbering machine 7, on the adhesive tape supporting plate 11, so that the ink jet numbering machine 7 carries out ink jet numbering printing on the back of the adhesive tape 30, and the arrangement of the pressing wheel 12 is favorable for smooth and clear ink jet numbering. The height of the tape blade 11 is further matched with the height of the upper plate 43 in the initial state (when the lift cylinder is not lifted), so that the paper guide 8 can smoothly pull the tape 30 on the tape blade 11 to the upper plate 43.
The scissors mechanism 5 can be driven by another servo motor to move along the side portion of the upper plate 43 close to the adhesive tape disc 3, and the front end of the servo motor is connected with a scissors 51 or a cutter disc, and the scissors 51 or the cutter disc can be controlled to operate to cut and divide the adhesive tape 30. The adhesive tape supporting plate 11 is cut off at a position corresponding to the scissors mechanism 5 to form a cutting channel 52 for the scissors mechanism 5 to move. And the servo motor of the scissors mechanism 5 retreats out of the cutting channel after finishing the cutting of the adhesive tape.
As shown in fig. 4 and 5, the packing mechanism 6 further includes a packing cylinder 61 installed below the operation table 41 in a lifting manner, a spring 62 is disposed at the top of the packing cylinder 61, the shape of the spring 62 is consistent with the outer diameter of the workpiece, and the upper end of the spring 62 is opened to form an elastic pressing opening, a circular chamfer is additionally disposed at the front end of the elastic pressing opening, and holes for the spring 62 to pass through are disposed on the operation table 41 and the upper plate 43. The packing cylinder 61 pushes the reed 62 upwards, the reed 62 penetrates out of the upper layer plate 43 upwards to bring the adhesive tape 30 into contact with the steel bar 10, the elasticity of the reed 62 is utilized, the elasticity opens the pressing port in the radial direction of the steel bar, the reed 62 continuously rises, the steel bar enters the reed 62 and the adhesive tape 30, the elasticity closes the pressing port again, and the adhesive tape 30 after code spraying is adhered to the thread teeth of the steel bar 10.
The code spraying and thread tooth protecting device provided by the embodiment of the invention has the following use process:
after the steel bar 10 is tapped, the device is retracted, as shown in fig. 1, and after the thread reaches the designated position, the clamping cylinder 2 shown in fig. 1 clamps the steel bar 10, and packaging protection is started.
Before the packing starts, the adhesive tape is manually pulled to a specified position for the first time by a person, and a sucker below the adhesive tape sucks the adhesive tape. Extending forward from the scissor mechanism 5 shown in fig. 2 and 3, the adhesive tape 30 is cut. When the lifting mechanism 4 shown in fig. 4 is lifted to a position close to the steel bar, the packing cylinder 61 of the packing mechanism 6 shown in fig. 5 is actuated, and the reed 62 shown in fig. 5 winds the adhesive tape around the thread along the steel bar in the process of lifting the packing cylinder 61 upwards, and the effect is shown in fig. 6.
Before the second packing, as shown in fig. 2 and 3, the servo motor 81 extends forwards along the arrow direction, and reaches the paper drawing position I shown in fig. 3, the lifting cylinder 82 is lifted, the first suction cup 83 sucks the back surface of the adhesive tape, meanwhile, the nearby second suction cup 13 is loosened, under the action of the servo motor 81, the adhesive tape is pulled backwards, reaches the paper drawing position II, the nearby second suction cup 13 sucks the adhesive tape, the first suction cup 83 is disconnected, the lifting cylinder 82 retracts, and the paper drawing process is completed. And repeating the process to continuously bring the adhesive tape after code spraying to a specified position to prepare for packaging the steel bar wire teeth.
The overall effect after packaging is complete is shown in fig. 6.
The parts not involved in the present invention are the same as or can be implemented by the prior art. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A spout sign indicating number and screw tooth protection device which characterized in that includes:
a support frame;
the clamping cylinder is used for clamping a workpiece and is fixed at one end of the supporting frame;
the adhesive tape disc is used for winding an adhesive tape and is fixed at the other end of the supporting frame;
the lifting mechanism is arranged on the supporting frame in a lifting manner corresponding to the position of the clamping cylinder;
the scissor mechanism is movably arranged on the supporting frame corresponding to the position of the lifting mechanism, which is close to the side part of the adhesive tape disc;
the packing mechanism is arranged on the lifting mechanism in a lifting way corresponding to the position of the screw thread on the workpiece;
the ink-jet printer is fixed on the support frame corresponding to the position where the adhesive tape passes through;
the clamping cylinder clamps the position of a workpiece close to the thread, the free end of the adhesive tape on the adhesive tape disc is pulled to the lifting mechanism, the code spraying machine sprays codes on the adhesive tape at the position where the adhesive tape passes through, the adhesive tape with the code sprayed is cut off through the scissor mechanism, the lifting mechanism lifts the cut adhesive tape to the position of the thread on the workpiece, and the packing mechanism is lifted upwards and winds the adhesive tape on the thread in a smooth manner.
2. The device of claim 1, further comprising a paper guide mechanism movably mounted to the lifting mechanism in a position corresponding to a free end of the tape.
3. The apparatus for protecting a code spraying and threading teeth of claim 2, wherein the paper guiding mechanism comprises a servo motor telescopically mounted on the lifting mechanism corresponding to the moving direction of the adhesive tape and a lifting cylinder mounted at the front end of the servo motor in a lifting manner.
4. A code spraying and thread tooth protecting device according to claim 3, wherein a sucking disc is provided on said ascending cylinder.
5. A code-spraying and thread-tooth protecting device according to claim 1, wherein a plurality of suction cups are provided on said supporting frame corresponding to positions where the adhesive tape passes.
6. The device for protecting a code spraying and thread cutting tooth according to claim 1, wherein a tape supporting plate is arranged on the supporting frame corresponding to the position where the tape passes through, and a pressing wheel is arranged above the tape supporting plate.
7. The device for protecting the code spraying and the thread tooth according to claim 6, wherein the code spraying machine is fixed below the adhesive tape supporting plate, and a code spraying port is formed in the position of the adhesive tape supporting plate corresponding to the code spraying machine.
8. The device for protecting a code spraying and threading tooth according to claim 6, wherein the position of the adhesive tape supporting plate corresponding to the scissors mechanism is broken to form a cutting channel for the scissors mechanism to move.
9. A code spraying and thread tooth protecting device according to claim 6, wherein the lifting mechanism comprises a liftable operating table and a lifting cylinder in driving connection with the operating table, and an upper plate which is in an initial state and is flush with the adhesive tape supporting plate is arranged on the operating table.
10. The device for protecting the code spraying and the thread teeth of the claim 9, wherein the packing mechanism comprises a packing cylinder which is arranged below the operating table top in a lifting way, the top of the packing cylinder is provided with a reed, the shape of the reed is consistent with the outer diameter of the workpiece, the upper end of the reed is opened to form an elastic opposite pressing opening, and holes for the reed to pass through are arranged on the operating table top and the upper plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210109523.4A CN114275225B (en) | 2022-01-29 | 2022-01-29 | Spout sign indicating number and thread protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210109523.4A CN114275225B (en) | 2022-01-29 | 2022-01-29 | Spout sign indicating number and thread protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114275225A true CN114275225A (en) | 2022-04-05 |
| CN114275225B CN114275225B (en) | 2023-06-16 |
Family
ID=80881717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210109523.4A Active CN114275225B (en) | 2022-01-29 | 2022-01-29 | Spout sign indicating number and thread protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114275225B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07329923A (en) * | 1994-06-01 | 1995-12-19 | Tetsuo Matsubara | Tape winder |
| CN101557015A (en) * | 2009-03-27 | 2009-10-14 | 深圳市吉阳自动化科技有限公司 | Device and method for printing identification in winding process of battery cell |
| CN102627153A (en) * | 2012-04-18 | 2012-08-08 | 奥达科金属制品(上海)有限公司 | Thread protective sleeve sleeving machine |
| CN103066330A (en) * | 2012-10-27 | 2013-04-24 | 东莞市鸿宝锂电科技有限公司 | U-shaped electric core gluing mechanism |
| CN103224048A (en) * | 2013-04-12 | 2013-07-31 | 郴州三科不锈钢有限公司 | Novel automatic tube packaging machine |
| CN209860083U (en) * | 2019-07-02 | 2019-12-27 | 博众精工科技股份有限公司 | Glue pulling assembly and glue coating machine |
| CN209922583U (en) * | 2019-02-27 | 2020-01-10 | 大族激光科技产业集团股份有限公司 | Rubberizing device and put gluey mechanism thereof |
| CN113113654A (en) * | 2021-03-10 | 2021-07-13 | 合肥国轩高科动力能源有限公司 | Cylindrical battery rubberizing device |
-
2022
- 2022-01-29 CN CN202210109523.4A patent/CN114275225B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07329923A (en) * | 1994-06-01 | 1995-12-19 | Tetsuo Matsubara | Tape winder |
| CN101557015A (en) * | 2009-03-27 | 2009-10-14 | 深圳市吉阳自动化科技有限公司 | Device and method for printing identification in winding process of battery cell |
| CN102627153A (en) * | 2012-04-18 | 2012-08-08 | 奥达科金属制品(上海)有限公司 | Thread protective sleeve sleeving machine |
| CN103066330A (en) * | 2012-10-27 | 2013-04-24 | 东莞市鸿宝锂电科技有限公司 | U-shaped electric core gluing mechanism |
| CN103224048A (en) * | 2013-04-12 | 2013-07-31 | 郴州三科不锈钢有限公司 | Novel automatic tube packaging machine |
| CN209922583U (en) * | 2019-02-27 | 2020-01-10 | 大族激光科技产业集团股份有限公司 | Rubberizing device and put gluey mechanism thereof |
| CN209860083U (en) * | 2019-07-02 | 2019-12-27 | 博众精工科技股份有限公司 | Glue pulling assembly and glue coating machine |
| CN113113654A (en) * | 2021-03-10 | 2021-07-13 | 合肥国轩高科动力能源有限公司 | Cylindrical battery rubberizing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114275225B (en) | 2023-06-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113859695B (en) | Labeling and marking method for inner wall of tube core | |
| CN114275225A (en) | Code spraying and thread tooth protecting device | |
| CN213294212U (en) | Fixed-length cutting mechanism for high-temperature adhesive tape | |
| CN210210701U (en) | Dustproof board cutting saw | |
| CN208908234U (en) | A kind of battery T-me line glue machine | |
| CN110745328A (en) | Material belt cutting and taking device | |
| CN110921036A (en) | Automatic labeling device and method for intelligent labeling printer | |
| CN215788465U (en) | Automatic feeding and discharging production line for flange end plates | |
| CN214850912U (en) | High-efficient rotor slot paper machine | |
| CN109390545A (en) | A kind of battery T-me line glue machine | |
| KR100371005B1 (en) | Automatic Taping Device for Printed Circuit Board | |
| CN210500580U (en) | Automatic film cutting and attaching mechanism | |
| CN114772004A (en) | One drags two subsides to paste and open material line | |
| CN110920207B (en) | Compounding device of full-automatic washing and marking machine | |
| CN211055462U (en) | Automatic laminating machine | |
| CN209815394U (en) | Full yarn cutting mechanism | |
| CN112027265A (en) | Double-station automatic labeling method | |
| CN110948539A (en) | Automatic abrasive paper dicing production line | |
| CN213974577U (en) | Yoga ball packagine machine | |
| CN219727321U (en) | Be applied to automatic receiving mechanism of soft line equipment of gluing box | |
| CN219073419U (en) | A point gum machine for production of polymer environmental protection material braided bag | |
| CN212268060U (en) | Multi-station automatic labeling equipment | |
| CN218786357U (en) | Auxiliary device for winding wire of workpiece on carrier | |
| CN211336753U (en) | Automatic labeling device | |
| CN219335701U (en) | Automatic feeding and discharging equipment for stamping chair feet |
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 |