CN218539908U - Down feather separation equipment with anti-static function - Google Patents

Down feather separation equipment with anti-static function Download PDF

Info

Publication number
CN218539908U
CN218539908U CN202220576803.1U CN202220576803U CN218539908U CN 218539908 U CN218539908 U CN 218539908U CN 202220576803 U CN202220576803 U CN 202220576803U CN 218539908 U CN218539908 U CN 218539908U
Authority
CN
China
Prior art keywords
eiderdown
equipment casing
static
feather
hair
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
Application number
CN202220576803.1U
Other languages
Chinese (zh)
Inventor
刘建红
刘二维
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Baoding Xueruisha Down Products Co ltd
Original Assignee
Baoding Xueruisha Down Products Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Baoding Xueruisha Down Products Co ltd filed Critical Baoding Xueruisha Down Products Co ltd
Priority to CN202220576803.1U priority Critical patent/CN218539908U/en
Application granted granted Critical
Publication of CN218539908U publication Critical patent/CN218539908U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Elimination Of Static Electricity (AREA)

Abstract

The utility model discloses a eiderdown divides hair equipment with prevent static function belongs to eiderdown processing technology field. For solving in the long-time processing, produce static very easily, static is to the feather work influence greatly, and inconvenient concentrated recovery material and waste material, influence work efficiency's problem, the movable plate removes, make dispersed eiderdown drop at feather separation sieve surface, the in-process that drops, eiderdown contacts the ion needle, separate the static on eiderdown surface through ion needle and static eliminator, make the static on eiderdown surface reduce by a wide margin, thereby conveniently carry out the feather separation work, can drive equipment casing whole through the vibration dish and shake, make the eiderdown of feather separation sieve up end move about fast, filter dispersed eiderdown and feather, feather separation efficiency has been improved, and the angle of the adjustable feather separation sieve board of second electronic jar, can carry out self-adaptation adjustment according to different operating condition.

Description

Down feather separation equipment with anti-static function
Technical Field
The utility model relates to a eiderdown processing technology field specifically is a eiderdown divides hair equipment with prevent static function.
Background
Down is a mixture of "feathers" and "down". The feather is a feather piece, plays a supporting role in the down feather and can enable the down feather to rebound rapidly; the down is a down cluster, and is the body and value of the down. The velvet is a three-dimensional spherical structure which is a lobate structure consisting of a velvet nucleus and a plurality of radiating velvet filaments and is similar to dandelion. The floss is formed by overlapping thousands of tiny scales, and each scale is hollow.
Because the down feather is animal protein fiber, the down feather can absorb hot air emitted by human body and isolate the invasion of external cold air. The down feather is higher than thermal insulation materials such as silk and cotton by one grade through filling power detection, in the down feather production, raw materials comprise feather pieces and down feather which are mixed together, the feather pieces and the down feather are required to be separated through pretreatment before entering processing equipment, the down feather enters the equipment, and the feather pieces are additionally treated.
In the process of separating the feather from the down, the following defects are often present:
1. in long-time processing, static electricity is easily generated, and the static electricity greatly affects the hair-cutting work.
2. The materials and waste materials are inconvenient to concentrate and recycle, and the working efficiency is influenced.
In view of these defects, it is necessary to design a down feather separating device with an antistatic function.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a eiderdown divides hair equipment with prevent static function has the function of preventing static and being convenient for receive the material, can solve the problem among the prior art.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a eiderdown divides hair equipment with prevent static function, includes the equipment casing, feed cylinder under the eiderdown is installed to the top of equipment casing, the internally mounted of feed cylinder under the eiderdown divides the brush, it is provided with two sets ofly to divide the brush, and two sets of the rotation opposite direction who divides the brush, the base is installed to the below of equipment casing, install the vibrations spring between base and the equipment casing, the vibration dish is installed to the lower terminal surface of equipment casing, vibrating motor is installed to the lower extreme of vibration dish, the lower extreme of feed cylinder extends to the equipment casing inside with equipment casing fixed connection under the eiderdown, just the movable plate is installed to the lower terminal surface of feed cylinder under the eiderdown, the inside of movable plate is run through threaded lead screw, just the below of movable plate is provided with the ion needle, the static eliminator is all installed to the both sides of ion needle, the surface mounting of static eliminator has the sieve, just the both sides of hair eliminator all are provided with the atomizer, the below of ion needle is installed and is divided the hair sieve, it is provided with the atomizer, it is two sets up to divide the hair sieve between the hair sieve, and two sets up to be two sets up to the collection workbin the collection box and extend to the collection equipment casing internal portion of collection feather casing.
Preferably, the upper end of feed cylinder is provided with the feed inlet under the eiderdown, and is two sets of servo motor is all installed to the one end of dividing the brush, the lower terminal surface of equipment casing is provided with the feed opening, the removal wheel is all installed to the lower extreme both sides of base, just the upper end of base is provided with the dump bin, the position of feed opening is corresponding with the position of dump bin.
Preferably, the material receiving box comprises a sealing plate, an air vent and a guide wheel, the air vent is located on the outer surface of the material receiving box, a drying fan is arranged outside the equipment shell, the position of an air outlet of the drying fan corresponds to the position of the air vent, the guide wheel is located at the lower end of the material receiving box, a connecting plate is arranged on one side of the outside of the material receiving box, a first electric cylinder is arranged at the rear end of one side of the connecting plate, and two ends of the first electric cylinder are fixedly connected with the connecting plate and the equipment shell respectively.
Preferably, the moving plate is in threaded connection with a threaded lead screw, the width of the moving plate is the same as the diameter of the down blanking barrel, and one end of the threaded lead screw is provided with a speed reduction motor.
Preferably, the static eliminator is fixedly connected with the equipment shell, the ion needle is provided with two, two the ion needle all with static eliminator electric connection, just electric motor is installed to the one end of ion needle.
Preferably, the surface of dividing the hair sieve board is provided with the filtration sieve mesh, it is provided with a plurality of to filter the sieve mesh, and two sets of divide the hair sieve board to pass through the connecting axle rotation each other and connect, the both ends of the electronic jar of second all through the engaging lug respectively with equipment casing with divide hair sieve swing joint.
Compared with the prior art, the beneficial effects of the utility model are as follows:
this eiderdown divides hair equipment with antistatic function, when dividing the hair during operation, can carry out the leading-in feed inlet of eiderdown that processes with needs, two group's brushes that feed cylinder inside disperse under through the eiderdown, thereby make feather piece and eiderdown separate, long-time processing back, accessible screw thread lead screw rotates, it removes to drive the movable plate, make the eiderdown of dispersion fall at minute hair sieve surface, the in-process that drops, the eiderdown contacts the ion needle, separate the static on eiderdown surface through ion needle and electrostatic eliminator, make the static on eiderdown surface reduce by a wide margin, thereby conveniently carry out branch hair work, moreover, the steam generator is simple in structure, high durability and convenient use, and the effectual effect that improves static-removing of pivoted ion needle, and the suitability is wider.
This eiderdown divides hair equipment with prevent static function, the outside both sides of static eliminator have the hair-dryer, and the accessible hair-dryer carries out the guide with the eiderdown fast, and can respond to static ion quantity through the ion needle, can open the atomizer under the condition of excessive quantity, through carrying out destaticizing work to eiderdown surface spraying, further improves the effect of destaticing.
This eiderdown divides hair equipment with prevent static function can drive the whole shake of equipment casing through the vibration dish, makes the eiderdown of dividing the hair sieve up end move about fast, screens the eiderdown and the feather piece of dispersion, has improved branch hair efficiency, and through the adjustable angle of dividing the hair sieve of the electronic jar of second, can carry out self-adaptation adjustment according to different operating condition, extensive applicability, adjustable effectual, divide the hair quality better.
This eiderdown divides hair equipment with prevent static function, in long-time work, the eiderdown after the accessible receipts workbin will divide the hair is collected, can filter the feather piece in the eiderdown through the filtration sieve mesh that divides the hair sieve surface, sieve to the feed opening after, drop into in the garbage bin, concentrate the recovery, do not need the staff to disperse the recovery, high durability and convenient use, drying blower through equipment casing surface, can dry the eiderdown of receipts workbin inside fast, moreover, the steam generator is simple in structure, high durability and convenient use, the position of the workbin is received in the flexible first electronic jar quick adjustment of accessible, and convenient operation, so that the work efficiency is improved.
Drawings
FIG. 1 is an overall front view of the present invention;
FIG. 2 is an internal structure view of the device housing of the present invention;
FIG. 3 is an internal structure view of the material receiving box of the present invention;
fig. 4 is a schematic structural diagram of the electrostatic eliminator according to the present invention.
In the figure: 1. an equipment housing; 2. a down blanking barrel; 3. a feed inlet; 4. a servo motor; 5. a material receiving box; 6. a connecting plate; 7. a first electric cylinder; 8. a base; 9. vibrating the disc; 10. a vibration motor; 11. Vibrating the spring; 12. a moving wheel; 13. a brush distributor; 14. moving the plate; 15. a reduction motor; 16. a threaded lead screw; 17. a static eliminator; 18. a blower; 19. an electric motor; 20. an ion needle; 21. a feather separating sieve plate; 22. filtering the sieve pores; 23. a connecting shaft; 24. a vent hole; 25. a second electric cylinder; 26. a feeding port; 27. a guide wheel; 28. an atomizer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, a down feather separating device with an antistatic function comprises a device shell 1, a down feather discharging barrel 2 is installed above the device shell 1, a hair separating brush 13 is installed inside the down feather discharging barrel 2, two groups of the hair separating brush 13 are provided, the rotating directions of the two groups of the hair separating brush 13 are opposite, a base 8 is installed below the device shell 1, a vibrating spring 11 is installed between the base 8 and the device shell 1, a vibrating disk 9 is installed on the lower end surface of the device shell 1, a vibrating motor 10 is installed on the lower end of the vibrating disk 9, the lower end of the down feather discharging barrel 2 extends into the device shell 1 and is fixedly connected with the device shell 1, a movable plate 14 is installed on the lower end surface of the down feather discharging barrel 2, a threaded screw 16 penetrates through the interior of the movable plate 14, an ion needle 20 is arranged below the movable plate 14, two sides of the ion needle 20 are both provided with an electrostatic eliminator 17, the hair-dividing sieve plate 21 is arranged below the ion needle 20, two groups of hair-dividing sieve plates 21 are arranged on the two sides of the static eliminator 17, a connecting shaft 23 is arranged between the two groups of hair-dividing sieve plates 21, a second electric cylinder 25 is arranged at the lower end of each group of hair-dividing sieve plates 21, material receiving boxes 5 are arranged on the two sides of the equipment shell 1, each material receiving box 5 extends into the equipment shell 1 and is in sliding connection with the equipment shell 1, the angle of each hair-dividing sieve plate 21 is thirty degrees, the equipment shell 1 can be driven to wholly shake through a vibrating disk 9, the down feather on the upper end face of each hair-dividing sieve plate 21 can rapidly move, the scattered down feather and feather pieces are screened, the hair-dividing efficiency is improved, the moving plate 14 is driven to move by the rotation of a threaded lead screw 16, and the scattered down feather falls on the outer surface of each hair-dividing sieve plate 21, the in-process that drops, the eiderdown contacts ion needle 20, the static on eiderdown surface is separated through ion needle 20 and static eliminator 17, make the static on eiderdown surface reduce by a wide margin, thereby conveniently divide the hair work, moreover, the steam generator is simple in structure, high durability and convenient use, and the effectual effect that removes static that has improved of pivoted ion needle 20, the suitability is wider, static eliminator 17's outside both sides have hair-dryer 18, accessible hair-dryer 18 carries out the guide with the eiderdown fast, and can respond to static ion quantity through ion needle 20, can open atomizer 28 under the condition of excessive quantity, remove static work through spraying down the eiderdown surface, further improve the effect of removing static.
The upper end of feed cylinder 2 is provided with feed inlet 3 under the eiderdown, servo motor 4 is all installed to the one end of two group's brush 13, the lower terminal surface of equipment casing 1 is provided with feed opening 26, removal wheel 12 is all installed to the lower extreme both sides of base 8, and the upper end of base 8 is provided with the dump bin, the position of feed opening 26 is corresponding with the position of dump bin, when dividing the hair during operation, can be with the leading-in feed inlet 3 of eiderdown that needs to process, two group's brushes 13 inside feed cylinder 2 under the eiderdown disperse.
Receive workbin 5 and include the closing plate, air vent 24 and leading wheel 27, air vent 24 is located the surface of receiving workbin 5, the externally mounted of equipment casing 1 has drying fan, and the position of drying fan air outlet is corresponding with air vent 24's position, leading wheel 27 is located the lower extreme of receiving workbin 5, and receive outside one side of workbin 5 and install connecting plate 6, first electronic jar 7 is installed to the rear end of connecting plate 6 one side, the both ends of first electronic jar 7 respectively with connecting plate 6 and equipment casing 1 fixed connection, drying fan through 1 surface of equipment casing, can dry the eiderdown of receiving workbin 5 inside fast, moreover, the steam generator is simple in structure, high durability and convenient use, the position of workbin 5 is received in quick adjustment to the flexible first electronic jar 7 of accessible, convenient operation, so that the work efficiency is improved.
The movable plate 14 is in threaded connection with the threaded lead screw 16, the width of the movable plate 14 is the same as the diameter of the down feather discharging barrel 2, the speed reducing motor 15 is installed at one end of the threaded lead screw 16, and after long-time treatment, the movable plate 14 is driven to move by the rotation of the threaded lead screw 16, so that dispersed down feathers fall on the outer surface of the feather separating sieve plate 21.
Static eliminator 17 and equipment housing 1 fixed connection, ion needle 20 are provided with two, two ion needles 20 all with static eliminator 17 electric connection, and electric motor 19 is installed to the one end of ion needle 20, the effectual effect that removes static that has improved of pivoted ion needle 20, the suitability is wider.
Divide the surface of hair sieve board 21 to be provided with and filter sieve mesh 22, it is provided with a plurality of to filter sieve mesh 22, and two groups hair sieve board 21 passes through connecting axle 23 rotation each other and connects, the both ends of the electronic jar 25 of second all through the engaging lug respectively with equipment casing 1 with divide hair sieve board 21 swing joint, through the adjustable angle of dividing hair sieve board 21 of the electronic jar 25 of second, can carry out self-adaptation adjustment according to different operating condition, extensive applicability, adjustable effect is good, divide hair quality better.
To sum up, the down feather separating device with the anti-static function can guide down feathers to be processed into the feed inlet 3 when the down feather separating device separates the down feathers, the down feathers are dispersed by the two-component hairbrush 13 in the down feather discharge barrel 2, so that feather pieces and the down feathers are separated, after long-time processing, the movable plate 14 is driven to move by rotating the threaded lead screw 16, the dispersed down feathers fall on the outer surface of the feather separating sieve plate 21, the down feathers contact the ion needles 20 in the falling process, the static electricity on the surfaces of the down feathers is separated by the ion needles 20 and the static electricity eliminator 17, so that the static electricity on the surfaces of the down feathers is greatly reduced, the feather separating operation is convenient, the structure is simple, the use is convenient, the rotating ion needles 20 effectively improve the static electricity removing effect, the down feathers are rapidly guided by the blower 18, and the quantity of static electricity can be sensed by the ion needles 20, the sprayers 28 can be opened under the condition of excessive quantity, the static electricity removing work is carried out by spraying on the surfaces of the down feather, the static electricity removing effect is further improved, the vibration disc 9 is opened to drive the whole equipment shell 1 to shake, the down feather on the upper end surface of the feather separating sieve plate 21 can rapidly move, the dispersed down feather and the dispersed feather pieces are screened, the feather separating efficiency is improved, the angle of the feather separating sieve plate 21 can be adjusted through the second electric cylinder 25, the feather separating sieve plate 21 can be adaptively adjusted according to different working states, the down feather after feather separation can be collected through the material receiving box 5 in long-time working, the feather pieces in the down feather can be filtered through the filtering sieve holes 22 on the outer surface of the feather separating sieve plate 21, the feather pieces fall into the waste material box after being screened to the feed opening 26 and then fall into the waste material box for centralized recovery without dispersion and recovery of workers, the use is convenient, and the drying fans on the outer surface of the equipment shell 1, can dry the eiderdown of receipts workbin 5 inside fast, simple structure, convenient to use, the flexible first electronic jar 7 fast speed adjusting of accessible receives the position of workbin 5, convenient operation.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (6)

1. The utility model provides a eiderdown divides hair equipment with prevent static function, includes equipment casing (1), its characterized in that: feed cylinder (2) under the eiderdown is installed to the top of equipment casing (1), the internally mounted of feed cylinder (2) under the eiderdown has branch brush (13), divide brush (13) to be provided with two sets ofly, and two sets of the rotation opposite direction who divides brush (13), base (8) are installed to the below of equipment casing (1), install vibrations spring (11) between base (8) and equipment casing (1), vibration dish (9) is installed to the lower terminal surface of equipment casing (1), vibrating motor (10) are installed to the lower extreme of vibration dish (9), the lower extreme of feed cylinder (2) extends to equipment casing (1) inside and equipment casing (1) fixed connection under the eiderdown, just movable plate (14) is installed to the lower terminal surface of feed cylinder (2) under the eiderdown, the inside of movable plate (14) runs through threaded lead screw (16), just the below of movable plate (14) is provided with ion needle (20), static eliminator (17) is all installed to the both sides of ion needle (20), the surface mounting of static eliminator (17) has the hair dryer (18), and the hair dryer (21) are provided with the separation needle (21), it is two sets of install connecting axle (23) between branch coarse grain sieve board (21), and two sets of the electronic jar of second (25) is all installed to the lower extreme of branch coarse grain sieve board (21), just the both sides of equipment casing (1) all are provided with receipts workbin (5), receive inside and equipment casing (1) sliding connection that workbin (5) extended to equipment casing (1), the angle of dividing coarse grain sieve board (21) sets up to thirty degrees.
2. The down feather separating device with the antistatic function as claimed in claim 1, wherein: the upper end of feed cylinder (2) is provided with feed inlet (3) under the eiderdown, and is two sets of servo motor (4) are all installed to the one end of dividing brush (13), the lower terminal surface of equipment casing (1) is provided with feed opening (26), removal wheel (12) are all installed to the lower extreme both sides of base (8), just the upper end of base (8) is provided with the dump bin, the position of feed opening (26) is corresponding with the position of dump bin.
3. The down feather separation device with the antistatic function as claimed in claim 1, wherein: receive workbin (5) including closing plate, air vent (24) and leading wheel (27), air vent (24) are located the surface of receiving workbin (5), the externally mounted of equipment casing (1) has the drying fan, and the position of drying fan air outlet is corresponding with the position of air vent (24), leading wheel (27) are located the lower extreme of receiving workbin (5), just connecting plate (6) are installed to outside one side of receiving workbin (5), first electronic jar (7) are installed to the rear end of connecting plate (6) one side, the both ends of first electronic jar (7) respectively with connecting plate (6) and equipment casing (1) fixed connection.
4. The down feather separating device with the antistatic function as claimed in claim 1, wherein: the down feather feeding device is characterized in that the moving plate (14) is in threaded connection with a threaded lead screw (16), the width of the moving plate (14) is the same as the diameter of the down feather feeding barrel (2), and one end of the threaded lead screw (16) is provided with a speed reducing motor (15).
5. The down feather separating device with the antistatic function as claimed in claim 1, wherein: static eliminator (17) and equipment housing (1) fixed connection, ion needle (20) are provided with two, two ion needle (20) all with static eliminator (17) electric connection, just electric motor (19) are installed to the one end of ion needle (20).
6. The down feather separating device with the antistatic function as claimed in claim 1, wherein: divide the surface of hair sieve board (21) to be provided with and filter sieve mesh (22), it is provided with a plurality of to filter sieve mesh (22), and two sets of divide hair sieve board (21) to connect through connecting axle (23) rotation each other, the both ends of the electronic jar of second (25) all through engaging lug respectively with equipment casing (1) with divide hair sieve board (21) swing joint.
CN202220576803.1U 2022-03-16 2022-03-16 Down feather separation equipment with anti-static function Active CN218539908U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220576803.1U CN218539908U (en) 2022-03-16 2022-03-16 Down feather separation equipment with anti-static function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220576803.1U CN218539908U (en) 2022-03-16 2022-03-16 Down feather separation equipment with anti-static function

Publications (1)

Publication Number Publication Date
CN218539908U true CN218539908U (en) 2023-02-28

Family

ID=85259161

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220576803.1U Active CN218539908U (en) 2022-03-16 2022-03-16 Down feather separation equipment with anti-static function

Country Status (1)

Country Link
CN (1) CN218539908U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117101823A (en) * 2023-10-08 2023-11-24 江苏新汉菱生物工程股份有限公司 Feather crushing equipment for amino acid production

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117101823A (en) * 2023-10-08 2023-11-24 江苏新汉菱生物工程股份有限公司 Feather crushing equipment for amino acid production

Similar Documents

Publication Publication Date Title
CN218539908U (en) Down feather separation equipment with anti-static function
JPS6047364B2 (en) Equipment for removing dust from spinning raw materials
CN209520051U (en) Screening plant is used in carbon black processing
CN206232876U (en) A kind of cashmere card impurity removing device
CN215278552U (en) A screening selection by winnowing mechanism for black tea processing
CN112403682B (en) Electrostatic impurity removing and dust falling device for white tea
CN105344601A (en) Anti-blocking type drum screen with secondary screening device
CN205658339U (en) Stainless steel peanut sheller of stable performance
CN208949502U (en) A kind of multi-layer electret melt-blown non-woven material one-step method preparation facilities
CN216931837U (en) On-line removing device for hemp fiber and villus non-smoke impurities in tobacco flakes
CN103071620B (en) Sediment grain size wet screening machine
CN210333389U (en) Device for grading returned flowers
CN210753754U (en) Tea leaf grading winnowing machine
CN214555117U (en) Traditional chinese medicine shale shaker with dust collector
CN205008235U (en) An eiderdown fine hair preparator
CN207071541U (en) Agricultural technology extension seed screening machine
CN210045587U (en) Sunflower seed sieve separator convenient to installation
CN202933868U (en) Screening device of cereal cleaning machine
CN207072049U (en) A kind of plastic pellet production air-dry apparatus
CN110575998A (en) Textile fabric cleaning device for textile equipment
CN116637806B (en) Inorganic powder screening equipment
CN219985402U (en) Seed seeding sorting unit
CN205463192U (en) Anti -blocking type drum sieve with second grade screening plant
CN220835870U (en) Ore fine powder processing and recycling device
CN217830781U (en) High-efficient tealeaves air separator in multiple wind channels

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant