CN108716356A - A kind of combined type door and window sealing strip - Google Patents
A kind of combined type door and window sealing strip Download PDFInfo
- Publication number
- CN108716356A CN108716356A CN201810572763.1A CN201810572763A CN108716356A CN 108716356 A CN108716356 A CN 108716356A CN 201810572763 A CN201810572763 A CN 201810572763A CN 108716356 A CN108716356 A CN 108716356A
- Authority
- CN
- China
- Prior art keywords
- interconnecting piece
- sealing strip
- seal portions
- elastomeric seal
- combined type
- 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.)
- Withdrawn
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 63
- 239000002131 composite material Substances 0.000 claims abstract description 24
- 229920002725 thermoplastic elastomer Polymers 0.000 claims abstract description 15
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 9
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 9
- 239000007787 solid Substances 0.000 claims abstract description 6
- 238000012856 packing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 18
- 239000000463 material Substances 0.000 abstract description 8
- 238000004321 preservation Methods 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 229920001971 elastomer Polymers 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000005868 electrolysis reaction Methods 0.000 description 6
- 238000009413 insulation Methods 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 3
- 229920002943 EPDM rubber Polymers 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001739 rebound effect Effects 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
- E06B7/22—Sealing arrangements on wings or parts co-operating with the wings by means of elastic edgings, e.g. elastic rubber tubes; by means of resilient edgings, e.g. felt or plush strips, resilient metal strips
- E06B7/23—Plastic, sponge rubber, or like strips or tubes
- E06B7/2301—Plastic, sponge rubber, or like strips or tubes without an integrally formed part for fixing the edging
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The present invention provides a kind of combined type door and window sealing strip, solves the problem of existing door and window sealing strip is poorly sealed, and heat preservation, the problem of soundproof effect difference and low temperature environment seal performance can decay, while also solving the problems, such as in right angle crook gross distortion.Technical solution is：Include the interconnecting piece for being fixed in door and window buckling groove and the elastomeric seal portions with the interconnecting piece composite joint, the interconnecting piece and elastomeric seal portions are strip section, and technical essential is：The elastomeric seal portions are Solid thermoplastic's elastomer, and interconnecting piece is the strip thermoplastic with joint end.Its material and structure by improving sealing strip, further improves sealing, heat preservation and noise-proof performance, extends service life, improve low temperature resistant environmental performance, can also be bent in door and window corner, realize continuous sealing effect.
Description
Technical field
The present invention relates to doors and windows sealing component, especially a kind of combined type door and window sealing strip.
Background technology
Currently, being all equipped with corresponding sealing device on automobile door and window and building doors and windows, realized inside and outside forms on the door
Strict closing, such sealing device are mainly the sealing strip of strip, and conventional hermetic band has a hollow cavity, cross section it is rectangular or
Triangle by means of the material and elasticity of sealing strip itself, generates deformation after by external pressure in use, to
Cavity contract, is pressed into contact with face, implements sealing to automotive window and building doors and windows.Existing door and window sealing strip mainly uses rubber
Or PVC material, it has the following defects：Hardness high resiliency is poor, cannot achieve strict face sealing, is not suitable for right angle bending, in door
Window corner cannot achieve continuous sealing；Elastic extenuation is fast, can not play sealing function after prolonged use；Resistance to low temperature
Difference, elastic extenuation is serious in subzero environment, can not play sealing function.
The patent document of Publication No. CN201857881 describes a kind of sealing strip for curtain wall, and which employs by high rigidity heat
The hard skeleton of plasticity ethylene propylene diene rubber material and the hollow softer, elastic of soft thermoplasticity ethylene propylene diene rubber material are close
Envelope portion is combined, although improving sealing effect than conventional hermetic item, since it uses rubber matrix and hollow
Soft rubber sealing, after compressive deformation, the middle part for corresponding to cavity is smaller than the side wall generation bounce that both sides are used to support,
Different rebound effects is formd, causes poorly sealed consequence, and still can not further increase soundproof effect.
Invention content
The object of the present invention is to provide a kind of combined type door and window sealing strip, it is poorly sealed to solve existing door and window sealing strip,
The problem of heat preservation, the problem of soundproof effect difference and low temperature environment seal performance can decay, while also solving in right angle crook
The problem of gross distortion.Its material and structure by improving sealing strip, further improves sealing, heat preservation and noise-proofing
Can, service life is extended, low temperature resistant environmental performance is improved.
The technical solution adopted by the present invention is：The combined type door and window sealing strip includes for being fixed in door and window buckling groove
Interconnecting piece and elastomeric seal portions with the interconnecting piece composite joint, the interconnecting piece and elastomeric seal portions are strip section, technology
Main points are：The elastomeric seal portions are Solid thermoplastic's elastomer, and interconnecting piece is the strip thermoplastic with joint end.
The elastomeric seal portions are the thermoplastic elastomer (TPE) that Shao Er hardness ranges are 10 to 2；Interconnecting piece is Shao Er hardness models
Enclose the thermoplastic for 70 to 60.
The elastomeric seal portions bottom width is less than middle part or upper width.
The joint end of the interconnecting piece is that outer end is reverse wedge shape, and both sides are with clamping rib.
The cross section of the elastomeric seal portions is round or large semi-circular, cross section bottom and interconnecting piece composite joint.
The cross section of the elastomeric seal portions is ellipse or big half elliptic, cross section bottom and the compound company of interconnecting piece
It connects.
The cross section of the elastomeric seal portions is bottom narrow wide trapezoidal, cross section bottom and interconnecting piece composite joint.
The elastomeric seal portions upper end is provided with notch.
The cross section of the elastomeric seal portions is rectangle, cross section bottom and interconnecting piece composite joint.
The bottom width of the elastomeric seal portions is to the gradual constriction in upper end, cross section bottom and interconnecting piece composite joint.
The good effect that the present invention has is：Since the present invention uses the composite junction of thermoplastic and thermoplastic elastomer (TPE)
Structure so that the sealing strip connect with door and window body it is more secured, thermoplastic elastic physical efficiency preferably with electrolysis seal；Elastic packing
Portion uses the thermoplastic elastomer (TPE) of solid construction, entirely different with existing hollow rubber gasket structure, utilizes thermoplasticity
The high resilience of elastomer is combined with solid construction shape, after compressive deformation, the outside bounce bigger in middle part, to two sides
Edge, which extends, to be deformed, and without to contract, increasing sealing contact surface area, forms better seal, heat insulation effect, wind resistance is close
It seals effect to protrude, especially greatly improves soundproof effect, in the case of 75 decibels of outdoor noise, equal conditions are using passing
47 decibels of sound in system sealing strip room, can reach 32 decibels using novel sealing strip of the present invention, have better noiseproof property
Energy.In addition, tradition PVC or rubber weather strip can not be in door and window corner continuous sealings, it can be in door and window using sealing strip of the present invention
Corner is bent, and realizes continuous sealing effect.
Description of the drawings
Below in conjunction with attached drawing, the invention will be further described.
Fig. 1 is the structural schematic diagram of the embodiment of the present invention one；
Fig. 2 is another structural schematic diagram of the embodiment of the present invention one；
Fig. 3 is the using state structure diagram of the embodiment of the present invention one；
Fig. 4 is the structural schematic diagram of the embodiment of the present invention two；
Fig. 5 is the structural schematic diagram of the embodiment of the present invention three；
Fig. 6 is the structural schematic diagram of the embodiment of the present invention four；
Fig. 7 is the structural schematic diagram of the embodiment of the present invention five.
Number explanation in figure：1 elastomeric seal portions, 2 interconnecting pieces, 3 clamping ribs, 4 joint ends, 5 composite contact faces, 6 door and windows, 7
Notch.
Specific implementation mode
According to Fig. 1~7 concrete structure that the present invention will be described in detail, Fig. 1~7 are the cross-sectional view of various embodiments of the present invention,
Embodiment one, as shown in Figure 1, a kind of combined type door and window sealing strip comprising interconnecting piece 2 and elastomeric seal portions 1, interconnecting piece carries
Joint end 4 is fixed on door and window buckling groove using strip thermoplastic for assembling；Elastomeric seal portions 1 use the reality of strip
The heart, bottom width are less than middle part or upper width, and sealing cooperation, interconnecting piece 2 are formed for being squeezed with corresponding door and window framework
Structure is vertically connected with using hot composite molding with elastomeric seal portions 1.Elastomeric seal portions 1 using Shao Er hardness ranges 10 to 2, it is excellent
It is 9 to 3 thermoplastic elastomer (TPE) to select Shao Er hardness ranges；Interconnecting piece 2 is moulded using Shao Er hardness ranges in 70 to 60 thermoplasticity
Material, using the compound elasticity that both ensure that sealing of the thermoplastic material of above two hardness, in turn ensures the tough and tensile of interconnecting piece
Degree and hardness make the weatherstrip body that there is certain deformation elasticity to be easily installed, can with having enough hardness to play fixed function
Realize door and window have the function that optimal seal effect simultaneously again can reach the suitable dynamics closed the doors and windows, also have it is low temperature resistant, make
The advantages of with long lifespan.Elastomeric seal portions in the present embodiment are strip section, and cross section is large semi-circular, cross section bottom
With interconnecting piece composite joint, the composite contact face 5 formed between interconnecting piece and elastomeric seal portions is apart from the elastomeric seal portions center of circle
2/3rds elastomeric seal portions radius of circle.Can with as shown in figure 3, elastomeric seal portions 1 cross section can also use circle,
Its cross section bottom forms arc-shaped composite surface with interconnecting piece 2 and connect.Circle is realized using the high resilience of elastomer itself
Sealing function, it for round and near round cross-section shape purpose is that can be realized most under minimum space occupancy to use above-mentioned section
The effect that big sealing surface and best resilience performance are combined.4 shape of joint end of interconnecting piece is reverse wedge shape, and both sides are with clamping rib
3, card slot is formed in clamping rib root, is fixed for being pressed into be formed in door and window card interface.The joint end can also use band free
The upside-down triangle shape of chamber ensures that interconnecting piece has elasticity so that it can which the door and window for being smoothly mounted on width less than interconnecting piece is clamped
It is fixed after embedded door and window card slot in slot, sealing strip loose or dislocation is prevented, convenient for being connected and fixed.
As shown in figure 3, when in use, when being in impaction state with corresponding door and window 6, since elastomeric seal portions are solid knot
Structure, after compressive deformation, the outside bounce bigger in middle part extends to both sides rim and deforms, without to contract, increasing sealing
Contact surface area makes elastomeric seal portions outer rim be close to electrolysis, and circular cross section can be realized most under minimum space accounting
Big sealing surface forms one piece of contact surface and realizes strict face sealing, forms better seal, heat insulation effect.Using above-mentioned knot
Structure under equal conditions promotes four times or more than traditional rubber weather strip elongation at break, can reach 1200%, has preferably
Elastic property；In the subzero 20 degrees Celsius of environment of outdoor temperature, equal conditions use 18 degrees Celsius of conventional seals indoor temperature,
21 degree are can reach using sealing strip indoor temperature of the present invention, has better heat-insulating property.
Sealing contact surface area can be increased when in use, so that elastomeric seal portions outer rim is close to electrolysis, formd more
Sealing well, heat insulation effect.
Embodiment two, as shown in figure 4, the cross section of elastomeric seal portions 1 can also use big half elliptic or ellipse, it is horizontal
Section-bottom and 2 composite joint of interconnecting piece.Sealing contact surface area can be increased when in use, keep elastomeric seal portions outer rim tight
Pressing junction forms better seal, heat insulation effect.
Embodiment three can also be as shown in figure 5, to may be used bottom narrow wide trapezoidal for the cross section of elastomeric seal portions 1
Upper end is provided with notch 7, cross section bottom and 2 composite joint of interconnecting piece.Sealing contact surface face can be increased when in use
Product, makes elastomeric seal portions outer rim be close to electrolysis, forms better seal, heat insulation effect.
Example IV, as shown in fig. 6, bottom width and upper end width phase may be used in the cross section of elastomeric seal portions 1
Deng rectangle, can also upper end be provided with notch 7, cross section bottom and 2 composite joint of interconnecting piece.It can increase when in use
Big sealing contact surface area, makes elastomeric seal portions outer rim be close to electrolysis, forms better seal, heat insulation effect.
Embodiment five gradually contracts as shown in fig. 7, bottom width may be used in the cross section of elastomeric seal portions 1 to upper end
Narrow shape, such as cross section are triangle or up-narrow and down-wide trapezoidal, cross section bottom and 2 composite joint of interconnecting piece.Make
Used time can increase sealing contact surface area, and elastomeric seal portions outer rim is made to be close to electrolysis, form better seal, heat preservation
Effect.
Manufacturing process：The hot complex technique integral formation method of use of the present invention.Utilize I type extruder, the φ of 65 types of φ
The II type extruder and composite die of 45 types, composite die carry shape of the mouth as one speaks piece.First by thermoplastic elastomer (TPE) raw material in I type extruder
It is heated to 185 DEG C to 195 DEG C in barrel, thermoplastic raw material is heated to 155 DEG C to 165 in II type extruder barrel
DEG C, then under the promotion of the screw rod of each barrel, the material in barrel injects in composite die simultaneously, is squeezed by shape of the mouth as one speaks piece after compound
The sealing strip product for going out into the present invention examines qualified i.e. packaging and warehousing after vacuum cooling equipment cools down.Wherein, shape of the mouth as one speaks piece temperature
The visual sealing strip product tolerance, surface smoothness and production environment temperature adjust between 80 DEG C to 100 DEG C.
In conclusion achieving the object of the present invention.
Claims (10)
1. a kind of combined type door and window sealing strip, it includes：Interconnecting piece for being fixed on door and window buckling groove and multiple with the interconnecting piece
The elastomeric seal portions of connection are closed, the interconnecting piece and elastomeric seal portions are strip section, it is characterised in that：The elastomeric seal portions
For Solid thermoplastic's elastomer, interconnecting piece is the strip thermoplastic with joint end.
2. combined type door and window sealing strip according to claim 1, it is characterised in that：The elastomeric seal portions are Shao Er hardness
Ranging from 10 to 2 thermoplastic elastomer (TPE)；Interconnecting piece is the thermoplastic that Shao Er hardness ranges are 70 to 60.
3. combined type door and window sealing strip according to claim 1, it is characterised in that：The joint end of the interconnecting piece is outer
End is reverse wedge shape, and both sides are with clamping rib.
4. the combined type door and window sealing strip according to claims 1 to 3 any one, it is characterised in that：The elastic packing
Portion's bottom width is less than middle part or upper width.
5. combined type door and window sealing strip according to claim 4, it is characterised in that：The cross section of the elastomeric seal portions is
Round or large semi-circular, cross section bottom and interconnecting piece composite joint.
6. combined type door and window sealing strip according to claim 4, it is characterised in that：The cross section of the elastomeric seal portions is
Oval or big half elliptic, cross section bottom and interconnecting piece composite joint.
7. combined type door and window sealing strip according to claim 4, it is characterised in that：The cross section of the elastomeric seal portions is
Bottom narrow wide trapezoidal, cross section bottom and interconnecting piece composite joint.
8. combined type door and window sealing strip according to claim 7, it is characterised in that：The elastomeric seal portions upper end setting
There is notch.
9. the combined type door and window sealing strip according to claims 1 to 3 any one, it is characterised in that：The elasticity
The cross section of sealing is rectangle, cross section bottom and interconnecting piece composite joint.
10. the combined type door and window sealing strip according to claims 1 to 3 any one, it is characterised in that：The elastic packing
The bottom width in portion is to the gradual constriction in upper end, cross section bottom and interconnecting piece composite joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810572763.1A CN108716356A (en) | 2018-06-06 | 2018-06-06 | A kind of combined type door and window sealing strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810572763.1A CN108716356A (en) | 2018-06-06 | 2018-06-06 | A kind of combined type door and window sealing strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108716356A true CN108716356A (en) | 2018-10-30 |
Family
ID=63911815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810572763.1A Withdrawn CN108716356A (en) | 2018-06-06 | 2018-06-06 | A kind of combined type door and window sealing strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108716356A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110295838A (en) * | 2019-07-31 | 2019-10-01 | 浙江奇龙门窗科技有限公司 | Composite rubber strip is used in a kind of sealing of moving door and window |
| CN110806058A (en) * | 2019-11-27 | 2020-02-18 | 合肥美科制冷技术有限公司 | Refrigerator sealing structure and refrigerator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1396111A (en) * | 1971-09-22 | 1975-06-04 | Standard Products Co | Strip structures |
| DE4201340C1 (en) * | 1992-01-20 | 1993-09-09 | Oliver 64732 Bad Koenig De Eisele | Elastomeric sealing strip for windows - has co-extruded double layer with softer base surface and sealing lips and harder supporting shell extending across base surface and part of lips |
| FR2701288A1 (en) * | 1993-02-05 | 1994-08-12 | Hutchinson | Sealing gasket, especially for building joinery and product incorporating such a gasket. |
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| CN201486433U (en) * | 2009-05-29 | 2010-05-26 | 谭晶海 | High airtightness push-pull door-window sealing strip |
| CN201843475U (en) * | 2010-10-12 | 2011-05-25 | 周建凤 | Glass filler strip for marine outfitting |
| CN202249644U (en) * | 2011-06-22 | 2012-05-30 | 赵永胜 | Sealing rubber strip |
| CN202544703U (en) * | 2012-02-28 | 2012-11-21 | 比亚迪股份有限公司 | Casement window and seal component thereof |
| CN202882715U (en) * | 2012-07-16 | 2013-04-17 | 济南东星家具有限公司 | Laterally-arranged type sealing dust-proof strip |
| CN103335101A (en) * | 2013-06-20 | 2013-10-02 | 新疆未来型材有限公司 | Thermoplastic elastomer soft and hard combined sealing strip |
| CN103470162A (en) * | 2013-09-30 | 2013-12-25 | 哈尔滨森鹰窗业股份有限公司 | Sealing rubber strip for aluminum-clad wooden window |
| JP2015166543A (en) * | 2014-02-12 | 2015-09-24 | 文化シヤッター株式会社 | Water cutoff rubber and water cutoff door |
| CN208267708U (en) * | 2018-06-06 | 2018-12-21 | 孙多仁 | A kind of combined type door and window sealing strip |
-
2018
- 2018-06-06 CN CN201810572763.1A patent/CN108716356A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1396111A (en) * | 1971-09-22 | 1975-06-04 | Standard Products Co | Strip structures |
| DE4201340C1 (en) * | 1992-01-20 | 1993-09-09 | Oliver 64732 Bad Koenig De Eisele | Elastomeric sealing strip for windows - has co-extruded double layer with softer base surface and sealing lips and harder supporting shell extending across base surface and part of lips |
| FR2701288A1 (en) * | 1993-02-05 | 1994-08-12 | Hutchinson | Sealing gasket, especially for building joinery and product incorporating such a gasket. |
| EP0611197A1 (en) * | 1993-02-05 | 1994-08-17 | Hutchinson | Sealing strip, particularly for building woodwork and product incorporating such a sealing strip |
| JPH07246646A (en) * | 1994-03-08 | 1995-09-26 | Hiroshima Kasei Ltd | Manufacture of composite, multiple and irregular-shaped extruded product consisting mainly of thermoplastic elastomer |
| JP2003222242A (en) * | 2002-01-30 | 2003-08-08 | Tokai Kogyo Co Ltd | Sealant and sealant assembly |
| CN2749970Y (en) * | 2004-11-09 | 2006-01-04 | 方大集团股份有限公司 | Sealing rubber strip |
| CN201103328Y (en) * | 2007-07-27 | 2008-08-20 | 高林 | Sealing and shock-absorbing glue strip for soft-hard integrated door and window |
| CN201486433U (en) * | 2009-05-29 | 2010-05-26 | 谭晶海 | High airtightness push-pull door-window sealing strip |
| CN201843475U (en) * | 2010-10-12 | 2011-05-25 | 周建凤 | Glass filler strip for marine outfitting |
| CN202249644U (en) * | 2011-06-22 | 2012-05-30 | 赵永胜 | Sealing rubber strip |
| CN202544703U (en) * | 2012-02-28 | 2012-11-21 | 比亚迪股份有限公司 | Casement window and seal component thereof |
| CN202882715U (en) * | 2012-07-16 | 2013-04-17 | 济南东星家具有限公司 | Laterally-arranged type sealing dust-proof strip |
| CN103335101A (en) * | 2013-06-20 | 2013-10-02 | 新疆未来型材有限公司 | Thermoplastic elastomer soft and hard combined sealing strip |
| CN103470162A (en) * | 2013-09-30 | 2013-12-25 | 哈尔滨森鹰窗业股份有限公司 | Sealing rubber strip for aluminum-clad wooden window |
| JP2015166543A (en) * | 2014-02-12 | 2015-09-24 | 文化シヤッター株式会社 | Water cutoff rubber and water cutoff door |
| CN208267708U (en) * | 2018-06-06 | 2018-12-21 | 孙多仁 | A kind of combined type door and window sealing strip |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110295838A (en) * | 2019-07-31 | 2019-10-01 | 浙江奇龙门窗科技有限公司 | Composite rubber strip is used in a kind of sealing of moving door and window |
| CN110806058A (en) * | 2019-11-27 | 2020-02-18 | 合肥美科制冷技术有限公司 | Refrigerator sealing structure and refrigerator |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181030 |
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| WW01 | Invention patent application withdrawn after publication |