CN105834016A - Novel sprinkler shower nozzle - Google Patents

Novel sprinkler shower nozzle Download PDF

Info

Publication number
CN105834016A
CN105834016A CN201610356336.0A CN201610356336A CN105834016A CN 105834016 A CN105834016 A CN 105834016A CN 201610356336 A CN201610356336 A CN 201610356336A CN 105834016 A CN105834016 A CN 105834016A
Authority
CN
China
Prior art keywords
shower nozzle
water
hole
air
bubble
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
Application number
CN201610356336.0A
Other languages
Chinese (zh)
Other versions
CN105834016B (en
Inventor
李荣辉
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201610356336.0A priority Critical patent/CN105834016B/en
Publication of CN105834016A publication Critical patent/CN105834016A/en
Application granted granted Critical
Publication of CN105834016B publication Critical patent/CN105834016B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B05B1/18Roses; Shower heads
    • B05B1/185Roses; Shower heads characterised by their outlet element; Mounting arrangements therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/0018Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam

Landscapes

  • Nozzles (AREA)

Abstract

The invention relates to a sprinkler shower nozzle, in particular to a novel sprinkler shower nozzle. The novel sprinkler shower nozzle comprises a shower nozzle body and a sprinkler shower nozzle cover connected to the water outlet end face of the shower nozzle body; the sprinkler shower nozzle cover is rotatably connected to the water outlet end face of the shower nozzle body; a nano/micron water column generation assembly capable of generating bubble water is arranged in the shower nozzle body; and the novel sprinkler shower nozzle has the beneficial effects that through the structure of the shower nozzle, the aim that the nano/micron bubble water can be generated is achieved, the bubble water under the condition is pressurized by the sprinkler shower nozzle cover to be sprinkled to impact the skin of a user, rapid continuous impact can be completed, rapid continuous impact cleaning of pores of the skin can be achieved, and the most efficient cleaning can be achieved.

Description

A kind of spray head shower nozzle
Technical field
The present invention relates to a kind of shower nozzle, be specifically related to a kind of spray head shower nozzle.
Background technology
In the prior art, usual gondola water faucet only has the function sprayed for the water taken a shower, and people are washing one's hair During bath, first carry out moistening skin with by gondola water faucet ejection water, then use bath gel to smear whole body, Then re-use the water that gondola water faucet sprays out to be cleaned, but the gondola water faucet in existing market at present The impulsive force spraying water when shower is little, is difficult to wash away dirt, particularly with the cleaning of local Need sufficient intensive current just can, on market, the shower nozzle major part of main flow is all rounded face, Open-work circularizes arrangement, and the scope spraying water during shower is little, realizes carrying only by increasing hydraulic pressure The high impulsive force sprayed.
Simultaneously during hand-held sprinkling, often as the architectural feature of shower nozzle, it is impossible to real Spray human body back the most completely, therefore there is limitation functionally.
The sprinkling that presently, there are is taken a shower, and the water column sprayed is simple water column, the most only It is only capable of the effect realizing relying on water column to realize spraying impact.
Summary of the invention
In order to effectively solve the problems referred to above, the present invention provides one can produce high pressure, micro-/to receive The spray head shower nozzle of meter Shui Liu.
Technical scheme is as follows: a kind of spray head shower nozzle, described spray head shower nozzle The shower nozzle lid of head body water outlet end face, institute it is connected to including a head body and one State shower nozzle lid to be screwed on the water outlet end face of head body;
It is provided with a nano/micron water column that can produce air-bubble in described head body and produces assembly.
Further, described nano/micron water column generation assembly includes that current introducing portion, aqueous vapor are sprayed Perforation, negative pressure cabin, bubble discharge line, capillary structure body and current lead division, described current Introducing portion, water vapor injection hole, negative pressure cabin, bubble discharge line, capillary structure body and current draw Go out portion to set gradually to water outlet direction from the water that enters of head body.
Further, described current introducing portion, water vapor injection hole, negative pressure cabin, air-bubble are discharged Pipeline is coaxially disposed.
Further, described current introducing portion, water vapor injection hole, negative pressure cabin and air-bubble are discharged The length ratio of pipeline is 10:3:6:7.
Further, described current introducing portion bottom arranges described air inlet and water inlet, described The structure of air inlet is the end cross-sectional area connecting an air end cross-sectional area more than connection current, Described current introducing portion connects the lower end of negative pressure cabin, described negative pressure cabin upper by water vapor injection hole Hold and connect current lead division, wherein, described air-bubble discharge line by air-bubble discharge line Generally one cylindrical structure, discharges through hole including three air-bubbles, and described capillary structure body sets Put the outlet side discharging through hole at air-bubble;
The radius in described water vapor injection hole is 1.5-3mm, and the radius of air-bubble discharge through hole is 1mm-2.5mm, the radius of the radius ratio air-bubble discharge through hole that need to meet water vapor injection hole is big 0.5mm。
Further, described shower nozzle lid arranging multiple spray orifice, described spray orifice includes spray orifice Water intake end and spray orifice water side, wherein the area of spray orifice water intake end is more than the area of spray orifice water side.
Further, described shower nozzle lid includes nozzle cap body, and described nozzle cap body is whole Body is concave shape;
Described nozzle cap body includes that discharge end, described discharge end are toroidal, described discharge end One side is spraying area, and the another side of described discharge end is by water medial surface, described discharge end Week is laterally extended upward fixed part by water medial surface one side Vertical Square, and described fixed part ring is put In described discharge end outer circumferential side.
Further, described fixed part medial surface is spiral assembling structure, described fixed part lateral surface Including multiple grooves;
Having multiple sprinkling through hole in described discharge end, described sprinkling through hole one end is formed at by water Medial surface, the other end is formed at sprinkling end face, and it is logical for being wherein formed at by one end of water medial surface Hole water intake end, the one end being formed at sprinkling end face is through hole water side, described through hole water intake end Area is 100:1-25 with the area ratio of described through hole water side, and on same sprinkling through hole Through hole water intake end is connected by cone-shaped with through hole water side, and the both sides in cross section are arc shape.
Further, described head body includes shower nozzle outlet part, Handheld Division and switching part, institute State shower nozzle outlet part to be connected on one end of Handheld Division by switching part, another of described Handheld Division End is the water intake end of head body, the water outlet that one side is head body of described shower nozzle outlet part End face;Described Handheld Division is cylindrical appliance.
Further, the cross section generally bending shape of described connecting portion, specially cross section are taken charge of Dual-side is arc shape, the cross section of the shower nozzle outlet part after simultaneously being connected by described connecting portion Centrage is 10 °-40 ° with the angle of the kernel of section line of Handheld Division.
Beneficial effects of the present invention: by the structure that the present invention is above-mentioned, can realize produce nanometer or The air-bubble of micron, after the pressurization of the shower nozzle lid that the air-bubble of this condition provides in the present invention, It is sprayed on the skin impacting user so that complete quick bump, to skin hair Hole quick continuous print impact is cleaned, and reaches to clean the most efficiently.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the present invention;
Fig. 2 is the side view of the present invention;
Fig. 3 is the sectional view of the present invention;
Fig. 4 is the partial schematic diagram of the present invention.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with Drawings and Examples, are explained in further detail the present invention.Should be appreciated that this place is retouched The specific embodiment stated is used only for explaining the present invention, is not intended to limit the present invention.
On the contrary, the present invention contains any spirit and scope in the present invention being defined by the claims On replacement, amendment, equivalent method and the scheme made.Further, in order to make the public to this Bright have a better understanding, during the details to the present invention describes below, detailed describe Specific detail section.There is no the description of these detail sections for a person skilled in the art yet The present invention can be understood completely.
As it is shown in figure 1, the structural representation of the first embodiment provided for the present invention, this enforcement Example provides a kind of spray head shower nozzle, and described shower nozzle includes a head body 1 and one Being connected to the shower nozzle lid 2 of head body water outlet end face, described shower nozzle lid 2 is screwed in On the water outlet end face 111 of head body.
As in figure 2 it is shown, described head body 1 include shower nozzle outlet part 11, Handheld Division 12 and Switching part 13, described shower nozzle outlet part 11 is connected to the one of Handheld Division 12 by switching part 13 On end, the water intake end that the other end is head body 121 of described Handheld Division 12, described shower nozzle The one side of outlet part 11 is the water outlet end face 111 of head body 1;Described Handheld Division 12 is Cylindrical appliance, or replace with other and be easy to the shape that user is hand-held.
The cross section generally bending shape of described connecting portion 13, the specially dual-side in cross section is Arc shape, the kernel of section of the shower nozzle outlet part after simultaneously being connected by described connecting portion 13 Line is 10 °-40 ° with the angle 131 of the kernel of section line of Handheld Division, by connecting portion angle The restriction of degree, it is achieved during hand-held sprinkling, reaching can be to the complete sprinkling in back.
The end that described Handheld Division 12 sets into water end (W.E.) 121 is additionally provided with air intake 122, It is provided with nano/micron water column inside described Handheld Division 12 and produces assembly, described nano/micron water column Produce assembly and there is in the side of water intake end 121 air inlet 32 and a water inlet 31, described Nano/micron water column produces assembly and has capillary structure body 4 in contrast to the side of water intake end 121, Entering water by what water inlet 31 entered, under the effect of hydraulic pressure, current quickly fill with nanometer water column Produce the negative pressure cabin 5 of assembly, under the absorption affinity of capillary structure body 4, guide current and air, And then current and air are mixed, and spray via switching part 13 and shower nozzle outlet part 11.
Arranging multiple spray orifice 21 on described shower nozzle lid 2, described spray orifice 21 includes that spray orifice enters Water end (W.E.) and spray orifice water side, wherein the area of spray orifice water intake end is more than the area of spray orifice water side, Realization is sprayed water with high pressure, the radian of the switching part 13 simultaneously proposed in the present invention, may be implemented in guarantor In the case of holding high pressure, still can be by ejection happy for current.
Described shower nozzle lid 2 includes nozzle cap body, described nozzle cap body generally spill Shape, the most described nozzle cap body includes that discharge end, described discharge end are toroidal, described Discharge end one side is spraying area, and the another side of described discharge end is by water medial surface, described Discharge end week is laterally extended upward fixed part by water medial surface one side Vertical Square, described fixing Portion's ring is placed in described discharge end outer circumferential side.
Described fixed part medial surface is spiral assembling structure, can dock spiral knot inside adaptive fixed part The device of structure, it is achieved spin fixing, described fixed part lateral surface includes multiple groove, it is simple to make User screw during firmly, in other embodiments, the plurality of groove also can be replaced Other can realize stress and increase the structure of friction, do not limit this
Having multiple sprinkling through hole in described discharge end, described sprinkling through hole one end is formed at by water Medial surface, the other end is formed at sprinkling end face, and it is logical for being wherein formed at by one end of water medial surface Hole water intake end, the one end being formed at sprinkling end face is through hole water side, described through hole water intake end Area is more than the area of described through hole water side, the area of described through hole water intake end and described through hole The area ratio of water side is 100:1-25, and the through hole water intake end on same sprinkling through hole is with logical Water side, hole is connected by cone-shaped, and the both sides in cross section are arc shape, applies arc shape Linking can realize carrying out the current that will spray drain, can realize the supercharging to current simultaneously, The water flow impact pressure ejected is bigger.
Described sprinkling through hole is circular being distributed in discharge end, is specially the density spraying through hole Reduce the most successively from center.
As shown in Figures 3 and 4, described nano/micron water column generation assembly includes current introducing portion 3, negative pressure cabin 5, capillary structure body 4 and current lead division 6, described current introducing portion 3, negative Pressure storehouse 5, capillary structure body 4 and current lead division 6 are from water intake end 121 to shower nozzle outlet part 11 Setting gradually, wherein said current introducing portion 3 bottom arranges described air inlet 32 and water inlet 31, the structure of described air inlet 32 is that the end cross-sectional area connecting air is more than connecting current One end cross-sectional area, described current introducing portion 3 connects negative pressure cabin 5 by water vapor injection hole 51 Lower end, the upper end of described negative pressure cabin 5 connects current lead division by air-bubble discharge line 52 6, wherein, a described air-bubble discharge line 52 generally cylindrical structure, including three gas Soaked discharge through hole 521, described capillary structure body 4 is arranged on air-bubble and discharges through hole 521 Outlet side.
Wherein said water vapor injection hole 51 can realize increasing aqueous vapor and discharge through hole 521 at air-bubble Turbulent level, increase air-bubble discharge separated region in through hole 521 unstable separate and Reattachment.Promote rupturing further of bubble, the most specifically limit current introducing portion 3, aqueous vapor Spray-hole 51, negative pressure cabin 5 and the length ratio of air-bubble discharge line 52, reach bubble and exist Enter after current introducing portion 3, keep stable with current, the most directly rupture mixing, more successively Behind the water vapor injection hole 51 of special ratios size, it is achieved first step gas-vapor mix and complete Become air pocket to rupture, by the negative regulation in negative pressure cabin 5, keep current introducing portion The captivation of 3, then discharge after through hole 521 by having the air-bubble of sharp edge end, bubble is complete Second time is become to rupture and reach secondary gas-vapor mix, after completing, via capillary structure body 4 Carry out third time to rupture and aqueous vapor final step mixing, reach the bubble structure of nanometer or micron, And spray out via shower nozzle lid 2, described current introducing portion 3, water vapor injection hole 51, The length ratio of negative pressure cabin 5 and air-bubble discharge line 52 is 10:3:6:7, but, Premise at aforementioned proportion is current introducing portion 3, negative pressure cabin 5 and air-bubble discharge line 52 Coaxially, the radius in the most described water vapor injection hole 51 is 1.5-3mm, and air-bubble is discharged logical The radius in hole 521 is 1mm-2.5mm, need to meet the radius ratio air-bubble in water vapor injection hole 51 Discharge the big 0.5mm of radius of through hole 521, through substantial amounts of test and practice, pass through the present invention Above-mentioned structure, can realize producing nanometer or the air-bubble of micron, and the air-bubble of this condition is at this After the pressurization of the shower nozzle lid 2 that invention provides, it is sprayed on the skin impacting user, Having made quick bump, continuous print quick to skin pore impact is cleaned, and reaches Efficient cleaning.
In another embodiment, capillary structure body 4 can be not provided with, in the promotion of self of hydraulic pressure Under power, it is achieved spray, the situation of watery vomiting stream can't be produced.

Claims (10)

1. a spray head shower nozzle, it is characterised in that described spray head shower nozzle includes Individual head body and a shower nozzle lid being connected to head body water outlet end face, described gondola water faucet Nozzle cap is screwed on the water outlet end face of head body;
It is provided with a nano/micron water column that can produce air-bubble in described head body and produces assembly.
A kind of spray head shower nozzle the most according to claim 1, it is characterised in that institute State nano/micron water column generation assembly and include current introducing portion, water vapor injection hole, negative pressure cabin, gas Bubble discharge line, capillary structure body and current lead division, described current introducing portion, water vapor injection Hole, negative pressure cabin, bubble discharge line, capillary structure body and current lead division are from head body Enter water to set gradually to water outlet direction.
A kind of spray head shower nozzle the most according to claim 2, it is characterised in that institute State current introducing portion, water vapor injection hole, negative pressure cabin, air-bubble discharge line are coaxially disposed.
A kind of spray head shower nozzle the most according to claim 2, it is characterised in that institute The length ratio stating current introducing portion, water vapor injection hole, negative pressure cabin and air-bubble discharge line is 10:3:6:7.
A kind of spray head shower nozzle the most according to claim 4, it is characterised in that institute Stating current introducing portion bottom and arrange described air inlet and water inlet, the structure of described air inlet is for even Connecing an end cross-sectional area end cross-sectional area more than connection current of air, described current introducing portion is led to Crossing water vapor injection hole and connect the lower end of negative pressure cabin, the upper end of described negative pressure cabin is discharged by air-bubble Pipeline connects current lead division, and wherein, a described air-bubble discharge line generally cylinder is tied Structure, discharges through hole including three air-bubbles, and described capillary structure body is arranged on air-bubble and discharges logical The outlet side in hole;
The radius in described water vapor injection hole is 1.5-3mm, and the radius of air-bubble discharge through hole is 1mm-2.5mm, the radius of the radius ratio air-bubble discharge through hole that need to meet water vapor injection hole is big 0.5mm。
A kind of spray head shower nozzle the most according to claim 1, it is characterised in that institute Stating and arrange multiple spray orifice on shower nozzle lid, described spray orifice includes spray orifice water intake end and spray orifice water outlet End, wherein the area of spray orifice water intake end is more than the area of spray orifice water side.
A kind of spray head shower nozzle the most according to claim 6, it is characterised in that institute State shower nozzle lid and include nozzle cap body, described nozzle cap body generally concave shape;
Described nozzle cap body includes that discharge end, described discharge end are toroidal, described discharge end One side is spraying area, and the another side of described discharge end is by water medial surface, described discharge end Week is laterally extended upward fixed part by water medial surface one side Vertical Square, and described fixed part ring is put In described discharge end outer circumferential side.
A kind of spray head shower nozzle the most according to claim 7, it is characterised in that institute Stating fixed part medial surface is spiral assembling structure, and described fixed part lateral surface includes multiple groove;
Having multiple sprinkling through hole in described discharge end, described sprinkling through hole one end is formed at by water Medial surface, the other end is formed at sprinkling end face, and it is logical for being wherein formed at by one end of water medial surface Hole water intake end, the one end being formed at sprinkling end face is through hole water side, described through hole water intake end Area is 100:1-25 with the area ratio of described through hole water side, and on same sprinkling through hole Through hole water intake end is connected by cone-shaped with through hole water side, and the both sides in cross section are arc shape.
A kind of spray head shower nozzle the most according to claim 1, it is characterised in that institute State head body and include that shower nozzle outlet part, Handheld Division and switching part, described shower nozzle outlet part pass through Switching part is connected on one end of Handheld Division, and the other end of described Handheld Division is entering of head body Water end (W.E.), the water outlet end face that one side is head body of described shower nozzle outlet part;Described Handheld Division For cylindrical appliance.
A kind of spray head shower nozzle the most according to claim 9, it is characterised in that department The cross section of described connecting portion generally bending shape, the specially dual-side in cross section are arc shape, The kernel of section line of the shower nozzle outlet part after simultaneously being connected by described connecting portion and Handheld Division The angle of kernel of section line is 10 °-40 °.
CN201610356336.0A 2016-05-25 2016-05-25 A kind of spray head shower nozzle Expired - Fee Related CN105834016B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610356336.0A CN105834016B (en) 2016-05-25 2016-05-25 A kind of spray head shower nozzle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610356336.0A CN105834016B (en) 2016-05-25 2016-05-25 A kind of spray head shower nozzle

Publications (2)

Publication Number Publication Date
CN105834016A true CN105834016A (en) 2016-08-10
CN105834016B CN105834016B (en) 2018-03-16

Family

ID=56595558

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610356336.0A Expired - Fee Related CN105834016B (en) 2016-05-25 2016-05-25 A kind of spray head shower nozzle

Country Status (1)

Country Link
CN (1) CN105834016B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108311308A (en) * 2018-02-28 2018-07-24 李常德 A kind of microvesicle nozzle
CN109201358A (en) * 2018-11-14 2019-01-15 浙江优食环境科技有限公司 A kind of water spray mouth structure

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006116518A (en) * 2004-10-25 2006-05-11 Fujio Negoro Shower for generating microbubble
JP2008229516A (en) * 2007-03-20 2008-10-02 Univ Of Tsukuba Microbubble shower
CN201744411U (en) * 2010-07-07 2011-02-16 厦门格霖卫浴有限公司 Novel spray head structure
KR101166975B1 (en) * 2010-05-03 2012-07-23 용인송담대학 산학협력단 The Micro Bubble Shower Device
CN203635365U (en) * 2013-11-19 2014-06-11 金青松 Micron bubble shower

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006116518A (en) * 2004-10-25 2006-05-11 Fujio Negoro Shower for generating microbubble
JP2008229516A (en) * 2007-03-20 2008-10-02 Univ Of Tsukuba Microbubble shower
KR101166975B1 (en) * 2010-05-03 2012-07-23 용인송담대학 산학협력단 The Micro Bubble Shower Device
CN201744411U (en) * 2010-07-07 2011-02-16 厦门格霖卫浴有限公司 Novel spray head structure
CN203635365U (en) * 2013-11-19 2014-06-11 金青松 Micron bubble shower

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108311308A (en) * 2018-02-28 2018-07-24 李常德 A kind of microvesicle nozzle
CN109201358A (en) * 2018-11-14 2019-01-15 浙江优食环境科技有限公司 A kind of water spray mouth structure

Also Published As

Publication number Publication date
CN105834016B (en) 2018-03-16

Similar Documents

Publication Publication Date Title
US20080289097A1 (en) Shower Apparatus
CN105297862B (en) Spraying head device of intelligent closestool water spraying mechanism
CN105834016A (en) Novel sprinkler shower nozzle
CN206082883U (en) Novel shower head
CN203525918U (en) Foam producing device of shower nozzle
CN102653952B (en) Siphon flush toilet
CN204412487U (en) A kind of water-saving discharging device and gondola water faucet
CN210115171U (en) Micro-bubble shower head
CN206343295U (en) A kind of pressurizing shower
CN201026469Y (en) Gettering shower
CN201006511Y (en) Shower gondola water faucet
CN206622228U (en) A kind of gondola water faucet air suction structure
CN204353030U (en) A kind of shower nozzle
CN202052649U (en) Water-saving shower
CN202860738U (en) Shower head capable of filling water droplets with air
CN209205579U (en) A kind of two-in-one water and air injection device
CN206526965U (en) Hydrone atomization water saving structure
CN206153001U (en) Arc high pressure shower head
CN201028069Y (en) Adjustable imbibition nozzle
CN211275064U (en) Landscape spray head for water mist
CN102935409B (en) Water discharging structure with strong small waterfall water of shower
CN209270524U (en) A kind of atomizer
CN209112724U (en) A kind of saving pressing bottle
CN110833936B (en) Micro-bubble shower nozzle
CN209901543U (en) Double-layer atomizing high-pressure nozzle

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180316

Termination date: 20190525