CN107080457A - Vacuum tank stewes pot - Google Patents
Vacuum tank stewes pot Download PDFInfo
- Publication number
- CN107080457A CN107080457A CN201710446564.1A CN201710446564A CN107080457A CN 107080457 A CN107080457 A CN 107080457A CN 201710446564 A CN201710446564 A CN 201710446564A CN 107080457 A CN107080457 A CN 107080457A
- Authority
- CN
- China
- Prior art keywords
- buffer part
- air buffer
- food container
- food
- container
- 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- Withdrawn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
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/10—Cooking-vessels with water-bath arrangements for domestic use
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
Vacuum tank stewes pot, main body includes the food container that split is arranged in main body, air buffer part, heating container and control device are provided with main body, food container is arranged on heating container and heated, it is characterized in that the top of the food container is provided with opening, opening inner side sets air buffer part, the air buffer part and the relative motion of food container or air buffer part bottom and food container intracavity bottom relative motion, from top to bottom sidepiece is closely slidably connected air buffer part with food container inner chamber, the air of the air on food top or food container top is discharged along steam vent, form opposing seal or the food container of relative vacuum.So as to reduce cost, production efficiency is improved；Simultaneously its have it is simple and reasonable, with low cost, occupy little space and the characteristics of highly versatile, so as to expand the scope of application of product.
Description
Technical field
Pot is stewed the present invention relates to vacuum tank.
Background technology
Conventional vacuum container on the market, which stewes pot or vacuum bag, needs evacuator to complete, and can not completely by air with
Food is separated, and the air for having part all the time can not be exhausted completely, causes local food to aoxidize or rotten.Vacuum bag disposably makes
With not environmentally.Whole process needs evacuator to complete, complicated, cost is expensive, in-convenience in use, therefore, it is necessary to make
Further improve and perfect.
The content of the invention
The purpose of the present invention aims to provide a kind of simple and reasonable, with low cost, multiple functional, good sealing effect and behaviour
Make convenient and safe vacuum tank and stew pot, to overcome weak point of the prior art.
The vacuum tank designed by this purpose stewes pot, and main body includes food container, the air that split is arranged in main body
Heating container and control device are provided with compartment part, main body, food container is arranged on heating container and heated, and its feature exists
The top of the food container is provided with opening, opening inner side sets air buffer part, the air buffer part at least one
The interior intracavitary that part is arranged on food container is closely connected, the air buffer part and the relative motion of food container or sky
Air-casing part bottom and food container intracavity bottom relative motion, air buffer part is from top to bottom in sidepiece and food container
Chamber is closely slidably connected, and the air of the air on food top or food container top is discharged along steam vent, is formed relatively close
The food container of envelope or relative vacuum.
The air buffer part is arranged on food container inwall and moved up and down, food container inwall and air every
Layer part periphery is closely slidably connected；
Elastic connection position is set between air buffer part periphery and food container inwall, and elastic connection position is by air buffer
Part periphery is connected with food container inwall elastic packing, and food is isolated to form relative vacuum with extraneous air；The food
Container outer wall is fitted between setting or food container outer wall and heating container inner wall with heating container inner wall and sets gap；
The food container is connected with heating container between conduction heating, or food container and heating container to be conducted by water
Heating.
Moved down on the hand pressure position set on the air buffer part or handle, hand pressure position or handle driving air buffer part
It is dynamic；Hand pressure position stress surface is upward, or the stress surface of handle is lateral；Handle is set for hollow or solid or semi-hollow, hand pressure position
Or handle is arranged on the inside of air buffer part or periphery.
Set on the food container and steam vent is set on steam vent, or air buffer part, or food container and sky
Steam vent is set between air-casing part, and steam vent at least discharges a part of air on food top, reduces air and is connect with food
Oxidation or rotten area are touched, extends fresh keeping time；
The food container is arranged on the top of heating container, or food container is arranged in heating vessel port, described
Food container at least bottom or sidepiece and heating container conduction heating pass through water conduction heating.
Closure is set on the steam vent, extraneous air and foodstuff surface are separated；Closure and food container or
Air buffer part separate type is connected or fixed rotate connects or deformation connection.
The air buffer part periphery sets elastic connection position, and elastic connection position is annular setting, elastic connection position evagination
Size be more than air buffer part body exterior size more than food container inner wall size or with food container inwall chi
It is very little consistent.
The circle of elastic connection position at least one is set, and elastic connection position is wholely set with air buffer part or split is set,
Or elastic connection position is arranged on the inside of food container or in opening；
The food container and air buffer part are separately positioned or rotate and set；
The air buffer part at least from top to bottom moves the height gauge of 1/3rd food containers inside food container
It is very little.
The food container opening upwards, opening position sets flange；The food container and air buffer part are at least
One is arranged to the transparent body.
The air buffer part sets interlayer, hand pressure position, steam vent, or air buffer part to set interlayer, handle, exhaust
Hole, or air buffer part set interlayer, hand pressure position, steam vent and closure, or air buffer part to set interlayer, handle, exhaust
Hole and closure, or air buffer part set interlayer, handle, steam vent and switch.
Filter is set on the exhaust hole path of the air buffer part, and filter stops food under steam vent
Portion；Or, switch is set on the exhaust hole path of the air buffer part, and switch lifts closing exhaust hole path by food,
Food is stopped in the bottom of steam vent；
Heating container or heat generating member in the main body electrically connect temperature or the time of control heating container with control device；It is described
At least bottom sets the first heat generating member on heating container, or, at least sidepiece sets the second heat generating member on the heating container, or
Person, the heating container bottom and sidepiece set heat generating member simultaneously.
Further, heat generating member is heat-generating pipe or heating wire or PTC, and the heating-up temperature of control device control heating container is being taken the photograph
Between 45 degree to 105 degree of family name, the nutriment in food is kept not to be destroyed things slow heat, the heating container
Heating-up temperature controls temperature by temperature controller or temperature probe.
The present invention is by setting up cyclic spring connection position, the close company of slip in cyclic spring connection position and food container inner chamber
Connect, the air of the air on food top or food container top is discharged along steam vent, form opposing seal or relative vacuum
Food container, only need to push air buffer part and can just produce vacuum food container, so as to reduce cost, improve production
Efficiency；Simultaneously its have it is simple and reasonable, with low cost, occupy little space and the characteristics of highly versatile, so as to expand product
The scope of application.
Brief description of the drawings
Fig. 1 is vented sectional structure on heating container with the relative motion of food container for the air buffer part of the present invention and shown
It is intended to.
Fig. 2 is air buffer part of the invention and food container blast cross section structure diagram.
Fig. 3 separates sectional structure for another buoyancy switch air buffer part, the food container of the present invention with heating container
Schematic diagram.
Fig. 4 separates air inlet cross section structure diagram for the switch air buffer part of the present invention with food container.
Fig. 5 is cutd open for sealing outside the air buffer part and food container of the present invention and is connected with main body regarding structural representation.
In figure：1 is food container, and 2 be air buffer part, and 3 be steam vent, and 4 be closure, and 5 be handle position, and 7 be bullet
Property connection position, 21 be hand pressure position, 11 be flange, 210 for heating container, 211 be the second heat generating member, 212 be main body, 213 for control
Device processed, 214 be the first heat generating member, and 215 be temperature controller or temperature probe, and figure small arrow represents big arrow in discharge directions, figure
Head represents movement direction of object.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described.
Referring to Fig. 1-Fig. 5, vacuum tank stewes pot, and vacuum tank stewes pot, and main body 212 is arranged in main body 212 including split
Food container 1, air buffer part 2, heating container 210 and control device 213, food container 1 are provided with main body 212
It is arranged on heating container 210 and heats, it is characterised in that the top of the food container 1 is provided with opening, and opening inner side is set
Air-casing part 2 is empty, the interior intracavitary that described air buffer part at least a portion is arranged on food container is closely connected, the sky
The fortune relative with the intracavity bottom of food container 1 with the relative motion of food container 1 or the bottom of air buffer part 2 of air-casing part 2
Dynamic, from top to bottom sidepiece is closely slidably connected air buffer part 2 with the inner chamber of food container 1, by the air or food on food top
The air on the top of thing container 1 is discharged along steam vent 3, forms opposing seal or the food container 1 of relative vacuum.
The outer wall of food container 1 is fitted with the heating inwall of container 210 to be set or the outer wall of food container 1 and heating appearance
Gap is set between the inwall of device 210；
The food container 1, which is connected with heating container 210 between conduction heating, or food container 1 and heating container 210, to be led to
Cross water conduction heating.
The food container 1 is arranged on the top of heating container 210, or food container 1 is arranged on heating container 210
In opening, the food container 1 at least bottom or sidepiece and the heating conduction heating of container 210 or pass through water conduction heating.
Heating container 210 or heat generating member in the main body 212 electrically connect control heating container 210 with control device 213
Temperature or the time；At least bottom sets the first heat generating member 214 on the heating container 210, or, the heating container 210
On at least sidepiece set the second heat generating member 211, or, it is described heating the bottom of container 210 and sidepiece simultaneously heat generating member is set.
Further, heat generating member is heat-generating pipe or heating wire or PBT, the heating temperature of the control heating container 210 of control device 213
Degree between 45 degree to 105 degree, keeps the nutriment in food not to be destroyed things slow heat, the heating Celsius
The heating-up temperature of container 210 controls temperature by temperature controller or temperature probe 215.The food container 1, which is arranged on heating, to be held
Conducted heat and heated by water temperature in device 210；At least the bottom of food container 1 sets to conduct heat by water temperature in heating container 210 and heated；
Or, at least the outer wall of food container 1 part sets to conduct heat by water temperature in heating container 210 and heated；
The air buffer part 2 is arranged on the inwall of food container 1 and moved up and down, the inwall of food container 1 and air buffer
The periphery of part 2 is closely slidably connected；
Elastic connection position 7 is set between the periphery of the air buffer part 2 and the inwall of food container 1, and elastic connection position 7 is by air
The periphery of compartment part 2 is connected with the inwall elastic packing of food container 1, and food is isolated to form relative vacuum with extraneous air.
On the hand pressure position 21 set on the air buffer part 2 or handle, hand pressure position 21 or handle driving air buffer part 2
Lower movement；21 stress surfaces of hand pressure position are upward, or the stress surface of handle is lateral；Handle is set for hollow or solid or semi-hollow,
Hand pressure position 21 or handle are arranged on the inner side of air buffer part 2 or periphery.
Set on the food container 1 and steam vent 3 is set on steam vent 3, or air buffer part 2, or food container 1
Steam vent 3 is set between air buffer part 2, and steam vent 3 at least discharges a part of air on food top, reduce air with
Food catalytic oxidation or rotten area, extend fresh keeping time.
Closure 4 is set on the steam vent 3, extraneous air and foodstuff surface are separated；Closure 4 and food container
1 or the connection of the separate type of air buffer part 2 or fixed rotate connection or deformation connection.
The periphery of air buffer part 2 sets elastic connection position 7, and elastic connection position 7 is annular setting, elastic connection position 7
Evagination size be more than air buffer part 2 body exterior size more than the inner wall size of food container 1 or with food container 1
Inner wall size is consistent.
The circle of elastic connection position 7 at least one is set, and elastic connection position 7 is wholely set with air buffer part 2 or split is set
Put, or elastic connection position 7 is arranged in the inner side of food container 1 or opening；
The food container 1 and air buffer part 2 are separately positioned or rotate and set；
The air buffer part 2 at least from top to bottom moves the height of 1/3rd food containers 1 inside food container 1
Size.
The opening upwards of food container 1, opening position sets flange 11.Food container be set to plastics or glass or
Metal or ceramics, the air buffer part are set to plastics or glass or metal or silica gel or rubber, the food container with
Air buffer part at least one be arranged to the transparent body.
The air buffer part 2 set interlayer, hand pressure position 21, steam vent 3, or air buffer part 2 set interlayer, handle,
Steam vent 3, or air buffer part 2 set interlayer, hand pressure position 21, steam vent 3 and closure 4, or air buffer part 2 set every
Layer, handle, steam vent 3 and closure 4, or air buffer part 2 set interlayer, handle, steam vent 3 and switch.
Further, cyclic spring connection position 7 can also be set between air buffer part 2 or the opening of food container 1
Or sealing ring sealing is slidably connected, air buffer part 2 is arranged to plastics, silica gel, the connection of elastomeric material elastic packing.
Interlayer is arranged on the bottom of air buffer part 2, and hand pressure position 21 is arranged on top peripheral or the middle part of air buffer part 2；
Handle is arranged on the inner side of air buffer part 2；Steam vent 3 is arranged on the bottom of air buffer part 2 or bottom or sidepiece, and opening is lateral
Or upwards；Closure 4 or switch are arranged on the passage of the top of steam vent 3 or steam vent 3；Cyclic spring connection position 7 is arranged on
The peripheral outside or inner side of air buffer part 2；Switch as buoyancy switch, magnetic switch, snap switch；
Filter is set on the passage of steam vent 3 of the air buffer part 2, and filter stops food in the bottom of steam vent 3；
Or, switch is set on the passage of steam vent 3 of the air buffer part 2, and switch lifts the closing passage of steam vent 3 by food,
Food is stopped in the bottom of steam vent 3.
Vacuum tank stewes the application method of pot：
1）, food is put into food container 1, then the bottom alignment food container 1 of air buffer part 2 is open, the row of holding
The passage of stomata 3 and extraneous air insertion；
2）, hand pressure position with subordinate pressure air buffer part 2 or handle, the interlayer of driving air buffer part 2 is open in food container 1
Inner side is moved down, and the periphery of air buffer part 2 is closely connected with the mouth periphery of food container 1, when air buffer part 2 is to moving down
The internal upper part air of food container 1 is flowed out along steam vent 3 when dynamic, the bottom of air buffer part 2 holds food when pressing close to food
The internal upper part air Raft of device 1 that receives is to the greatest extent or a part of Raft uses up, and the food that air buffer part 2 is moved down in extruding food container 1 causes sky
Air-casing part 2 is obstructed, and turns off switch or closure 4；
3）, switch or closure 4 opened, air buffer part 2 is moved up into pull-up, air is along the air inlet of steam vent 3, air buffer part
2 are gradually separated with food top and cause air buffer part 2 to be separated with food container 1, and the food in food container 1 can be led
Go out.
The above-mentioned preferred scheme for the present invention, has been shown and described general principle, principal character and the present invention of the present invention
Advantage.Those skilled in the art should be recognized that the present invention is not limited to the above embodiments, above-described embodiment and specification
Described in merely illustrate the principles of the invention, without departing from the spirit and scope of the present invention, the present invention also has each
Changes and improvements are planted, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention by
Appended claims and its equivalent are defined.
Claims (10)
1. vacuum tank stewes pot, main body includes setting in food container, the air buffer part that split is arranged in main body, main body
There are heating container and control device, food container is arranged on heating container and heated, it is characterised in that the food container
Top be provided with opening, opening inner side sets air buffer part, and described air buffer part at least a portion is arranged on food appearance
The interior intracavitary of device received closely is connected, the air buffer part and the relative motion of food container or air buffer part bottom and food
Thing container intracavity bottom relative motion, from top to bottom sidepiece is closely slidably connected air buffer part with food container inner chamber,
The air of the air on food top or food container top is discharged along steam vent, opposing seal or the food of relative vacuum is formed
Thing container.
2. vacuum tank stewes pot according to claim 1, it is characterised in that：The air buffer part is arranged on food container
Moved up and down on inwall, food container inwall is closely slidably connected with air buffer part periphery；
Elastic connection position is set between air buffer part periphery and food container inwall, and elastic connection position is by air buffer
Part periphery is connected with food container inwall elastic packing, and food is isolated to form relative vacuum with extraneous air；The food
Container outer wall is fitted between setting or food container outer wall and heating container inner wall with heating container inner wall and sets gap；
The food container is connected with heating container between conduction heating, or food container and heating container to be conducted by water
Heating.
3. vacuum tank stewes pot according to claim 1, it is characterised in that：Set on the air buffer part hand pressure position or
Handle, hand pressure position or handle driving air buffer part are moved up and down；Hand pressure position stress surface be it is upward, or handle stress surface side
To；Handle is set for hollow or solid or semi-hollow, and hand pressure position or handle are arranged on the inside of air buffer part or periphery.
4. vacuum tank stewes pot according to claim 1, it is characterised in that：Steam vent is set on the food container, or
Set on air buffer part and steam vent is set between steam vent, or food container and air buffer part, steam vent at least will food
The a part of air discharge on thing top, reduces air and food catalytic oxidation or rotten area, extends fresh keeping time；
The food container is arranged on the top of heating container, or food container is arranged in heating vessel port, described
Food container at least bottom or sidepiece and heating container conduction heating pass through water conduction heating.
5. vacuum tank stewes pot according to claim 1, it is characterised in that：Closure is set on the steam vent, by outside
Air separates with foodstuff surface；Closure is connected with food container or air buffer part separate type or fixed rotate connects or become
Shape is connected.
6. vacuum tank stewes pot according to claim 1, it is characterised in that：The air buffer part periphery sets elastic connection
Position, elastic connection position is annular setting, and elastic connection position evagination size is more than the body exterior size of air buffer part or is more than
Food container inner wall size is consistent with food container inner wall size.
7. vacuum tank stewes pot according to claim 6, it is characterised in that：The circle of elastic connection position at least one is set, bullet
Property connection position and air buffer part be wholely set or split is set, or elastic connection position is arranged on the inside of food container or opening
On；
The food container and air buffer part are separately positioned or rotate and set；
The air buffer part at least from top to bottom moves the height gauge of 1/3rd food containers inside food container
It is very little.
8. vacuum tank stewes pot according to claim 1, it is characterised in that：The food container opening upwards, be open position
Flange is set；The food container and air buffer part at least one be arranged to the transparent body.
9. vacuum tank stewes pot according to claim 1, it is characterised in that：The air buffer part set interlayer, hand pressure position,
Steam vent, or air buffer part set interlayer, handle, steam vent, or air buffer part set interlayer, hand pressure position, steam vent and
Closure, or air buffer part set interlayer, handle, steam vent and closure, or air buffer part to set interlayer, handle, row
Stomata and switch.
10. vacuum tank stewes pot according to claim 1, it is characterised in that：On the exhaust hole path of the air buffer part
Filter is set, and filter stops food in the bottom of steam vent；Or, set on the exhaust hole path of the air buffer part
Switch is put, switch lifts closing exhaust hole path by food, food is stopped in the bottom of steam vent；
Heating container or heat generating member in the main body electrically connect temperature or the time of control heating container with control device；It is described
At least bottom sets the first heat generating member on heating container, or, at least sidepiece sets the second heat generating member on the heating container, or
Person, the heating container bottom and sidepiece set heat generating member simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710446564.1A CN107080457A (en) | 2017-06-14 | 2017-06-14 | Vacuum tank stewes pot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710446564.1A CN107080457A (en) | 2017-06-14 | 2017-06-14 | Vacuum tank stewes pot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107080457A true CN107080457A (en) | 2017-08-22 |
Family
ID=59605830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710446564.1A Withdrawn CN107080457A (en) | 2017-06-14 | 2017-06-14 | Vacuum tank stewes pot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107080457A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201647370U (en) * | 2010-01-19 | 2010-11-24 | 上海市曹杨第二中学 | Vacuum-simulated hollow fresh-keeping container |
| CN202287773U (en) * | 2011-11-03 | 2012-07-04 | 李文庆 | Pressure type electric cooker |
| CN202369376U (en) * | 2011-10-26 | 2012-08-08 | 九阳股份有限公司 | Drink fresh-keeping container |
| CN203898024U (en) * | 2014-05-14 | 2014-10-29 | 佛山市顺德区美的电热电器制造有限公司 | Cooking utensil |
| CN204197573U (en) * | 2014-09-24 | 2015-03-11 | 瀛丽企业股份有限公司 | Jar |
-
2017
- 2017-06-14 CN CN201710446564.1A patent/CN107080457A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201647370U (en) * | 2010-01-19 | 2010-11-24 | 上海市曹杨第二中学 | Vacuum-simulated hollow fresh-keeping container |
| CN202369376U (en) * | 2011-10-26 | 2012-08-08 | 九阳股份有限公司 | Drink fresh-keeping container |
| CN202287773U (en) * | 2011-11-03 | 2012-07-04 | 李文庆 | Pressure type electric cooker |
| CN203898024U (en) * | 2014-05-14 | 2014-10-29 | 佛山市顺德区美的电热电器制造有限公司 | Cooking utensil |
| CN204197573U (en) * | 2014-09-24 | 2015-03-11 | 瀛丽企业股份有限公司 | Jar |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107049072A (en) | The application method of de-airing mixer | |
| CN107007140A (en) | The vacuum tank that adds water stewes pot | |
| CN107080457A (en) | Vacuum tank stewes pot | |
| CN107087979A (en) | A kind of vacuum tank stewes the application method of pot | |
| CN107007137A (en) | One kind adds water, and manual vacuum tank is stewed to stew | |
| CN107080452A (en) | Vacuum tank stewes the application method of pot | |
| CN206827326U (en) | Vacuum tank | |
| CN107087978A (en) | A kind of automatic watering vacuum tank stewes the application method of pot | |
| CN107048995A (en) | One kind adds water, and vacuum tank is stewed to stew | |
| CN107080458A (en) | A kind of vacuum tank stewes pot | |
| CN107048997A (en) | A kind of vacuum tank stewes pot | |
| CN206782478U (en) | A kind of vacuum tank | |
| CN107054866A (en) | A kind of manual vacuum tank | |
| CN107087980A (en) | A kind of manual vacuum tank stewes the application method of pot | |
| CN107007136A (en) | Automatic watering vacuum tank stewes pot | |
| CN107007139A (en) | The vacuum tank that adds water stewes the application method of pot | |
| CN107051310A (en) | One kind is stirred under vacuum container | |
| CN107048994A (en) | Automatic watering vacuum tank stewes the application method of pot | |
| CN107007138A (en) | A kind of automatic watering vacuum tank stewes pot | |
| CN107280461A (en) | A kind of automatic watering vacuum tank stewes the application method of pot | |
| CN107028489A (en) | A kind of automatic watering manual vacuum tank stewes the application method of pot | |
| CN107054891A (en) | Vacuum tank | |
| CN107080456A (en) | One kind adds water, and vacuum tank is stewed to stew | |
| CN107098074A (en) | A kind of vacuum tank | |
| CN107007128A (en) | A kind of manual vacuum tank stewes pot |
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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170822 |
|
| WW01 | Invention patent application withdrawn after publication |