CN109850837A - A kind of fresh-keeping automatic wine outflow device of gas injection constant pressure type - Google Patents
A kind of fresh-keeping automatic wine outflow device of gas injection constant pressure type Download PDFInfo
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- CN109850837A CN109850837A CN201910007817.4A CN201910007817A CN109850837A CN 109850837 A CN109850837 A CN 109850837A CN 201910007817 A CN201910007817 A CN 201910007817A CN 109850837 A CN109850837 A CN 109850837A
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- gas injection
- wine
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- piston
- fresh
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- 238000002347 injection Methods 0.000 title claims abstract description 65
- 239000007924 injection Substances 0.000 title claims abstract description 65
- 235000013405 beer Nutrition 0.000 claims abstract description 30
- 238000003825 pressing Methods 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 23
- 229910000838 Al alloy Inorganic materials 0.000 claims description 13
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 11
- 239000001569 carbon dioxide Substances 0.000 claims description 11
- 239000000956 alloy Substances 0.000 claims description 9
- 239000004033 plastic Substances 0.000 claims description 8
- 229920003023 plastic Polymers 0.000 claims description 8
- 238000005303 weighing Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000006260 foam Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 102000040350 B family Human genes 0.000 description 1
- 108091072128 B family Proteins 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019658 bitter taste Nutrition 0.000 description 1
- 235000008429 bread Nutrition 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 150000003722 vitamin derivatives Chemical class 0.000 description 1
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- Devices For Dispensing Beverages (AREA)
Abstract
The present invention relates to a kind of fresh-keeping automatic wine outflow devices of gas injection constant pressure type, comprising: contains wine device, goes out wine device, gas injection device；The wine device of containing includes: fat, bung, mentions circle；The wine device out is press-fitted by the circular sheet of the spring cavity outer wall of spring base is mounted on the bottleneck structure of the bung and is embedded in one layer of rubber ring for sealing；The gas injection device is fixedly mounted on the bottom in the fat；The fresh-keeping wine apparatus structure out of gas injection constant pressure of the present invention is simple, and materials are saved, low manufacture cost；Pressure constant state is kept in device bucket, to guarantee wine constant flow rate out, is gone out wine speed with stable, is isolated from the outside world in bucket, keeps the beer refreshing time longer；Discharge by pressing wine valve is drunk in the shelf-life at any time with regard to automatic wine outflow, convenient to use, and class can more be promoted using the beer of the present apparatus by allowing.
Description
Technical field
The design is related to a kind of fresh-keeping automatic wine outflow device of gas injection constant pressure type more particularly to a kind of energy that top grade is canned
It is enough to drink beer can fresh-keeping for a long time at any time.
Background technique
Beer is B family vitamin rich in and other signboard nutrients made of the cereal of hair alcohol, and has one
Fixed heat, the title with " liquid bread ", the storage environment of beer should be advisable between 0~15 DEG C with 10 DEG C or so, and bottle
Dress bottled beer should save between 5~25 DEG C；Temperature is excessively high, and the foam of beer is mostly without lasting；Temperature is too low, and foam is reduced simultaneously
It aggravates bitter taste and is not easy storage transport；The present society of demand on to(for) the canned beer of large capacity increasingly rises, how real
Now enable canned beer storing and fresh-keeping 30 days or so time at normal temperature and can also take at any time to be present practitioner institute
The target of pursuit.
Summary of the invention
The object of the present invention is to provide a kind of beer can of large capacity automatic wine outflow that long-time is fresh-keeping, fresh-keeping period is used
Person can be used at any time beer.
In order to solve fresh-keeping and automatic wine outflow for a long time, the technical solution adopted by the present invention is that:
A kind of fresh-keeping automatic wine outflow device of gas injection constant pressure type, comprising: contain wine device, go out wine device, gas injection device；The Sheng
Wine device includes: fat, bung, mentions circle；The press-fitted peace of circular sheet that the wine device out passes through the spring cavity outer wall of spring base
On the bottleneck structure of the bung and one layer of rubber ring is embedded in for sealing；The gas injection device is fixedly mounted on the wine
Bottom in bucket.
Further, the wine device of containing is used to contain the young beer after pressurization, and the fat is thin wall cylindrical bucket,
Material is aluminium alloy, is fabricated by impact style；The bung is the circular sheet of aluminum alloy material, and centre is aluminium alloy
For thin plate to the bottleneck structure to be formed is turned over, the bung edge is " several " character form structure, for chimeric with the fat top edge,
The part being fitted into after the bung is chimeric with the fat is inwardly pressed into arcuate structure；The circle that mentions is rigid plastics, and bottom is set
There is the annular groove fastened with the bung, the circle that mentions fastens on the bung, and the circle that mentions is used to grab to propose whole device.
Further, the wine device out includes: pressing plate, valve core tube, spring base, spring I, outlet, conduit；It is described
Pressing plate is rigid plastics material, and front end is provided with circular hole and connect with wine outlet duct interference, and wine outlet duct is a curved hose, institute
The bottom protrusion one for stating pressing plate truncates pipe and connect with the valve core tube interference and play position-limiting action when pressing plate is pressed；Institute
Stating valve core tube is hollow tubular structure closed at one end, and closing one end is equipped with sealing ring, on the bottom end side wall of the valve core tube
It is provided with about symmetrical two outlets of median plane, the outlet is located at the sealing ring of spool duct occlusion one end
Above, the side wall among the valve core tube is equipped with check ring, and the valve core tube is installed in the spring base；The spring
On the top to the check ring of valve core tube of I upper end, on the top to the bottom surface of spring base of lower end；The spring base is the straight of aluminum alloy material
The different tubular structure of diameter, upper part are the spring cavitys for installing the spring I, and it is thin that spring cavity outer wall is protruding with a piece of circle
Plate, lower part are divided into the valve body cavity of control beer outflow, the cylindrical cavity of a major diameter are provided in valve body cavity, valve body cavity lower part is
For installing the small-bore boss of the conduit；The conduit is the tubular structure of hollow plastic, and the conduit is connected using interference
The mode of connecing is installed on the small-bore boss of the valve body cavity lower part of spring base.
Further, the gas injection device includes: step piston cylinder, big piston, T-type piston, venthole, gas injection bottle, bullet
Spring II, weighing apparatus pressure hole；The step piston cylinder is aluminum alloy material, and internal diameter dimension is divided into three parts, the internal diameter of top
Maximum, intermediate internal diameter is placed in the middle, and the internal diameter of lower section is minimum, and the top inner ring of internal diameter largest portion is equipped with limit stop ring, and internal diameter is maximum
Partial bottom surface is machined with the spring groove for placing spring, and the side wall of intermediate internal diameter is provided with weighing apparatus pressure hole, the smallest side wall of internal diameter
It is provided with the venthole, sets that there are two sealing rings below the venthole on cylinder inner wall, the step piston cylinder bore is most
The bottom end of fraction be thin round plate, the step piston cylinder using between casting and forming, with the gas injection bottle connection type with
Connection type between the bung and the fat is identical；The internal diameter that the big piston is installed to the step piston cylinder is maximum
In part, the spring II is installed in the spring groove of the step piston cylinder；The T-type piston is rigid plastics material, institute
The centre for stating the piston ridge of T-type piston is equipped with a sealing ring, and the T-type piston is installed in step piston cylinder, the T-type
Pure water is filled between piston and the big piston；The gas injection bottle generally aluminum alloy material, using casting and forming, gas injection bottle
Top is set as bottleneck structure, the step piston cylinder and the gas injection bottle and snaps technique for step piston cylinder bottom portion using heat
Circular sheet and gas injection bottle top link together, guarantee device have enough leakproofness.
Further, when using the present apparatus, air pressure P is injected in the gas injection bottle of the gas injection device1It is the two of 0.6MPa
Carbon oxide gas, the interior injection beer of the fat are simultaneously filled with air pressure P0For the carbon dioxide gas of 0.2MPa, when initial, it is described go out
The valve core tube in wine device is in upper limit, and the outlet is sealed, the big piston base area S1With the T
The pressure difference F that difference in areas between type piston upper area generates1, i.e. F1Size be P0*(S1-S2) it is greater than the spring II
Bounce FS；To make the big piston and the T-type piston be in lower limit, the venthole is closed；When drinks beer,
The pressing plate is pressed, and the valve core tube is in lower limit, and the outlet is opened, beer outflow, gas in the fat
Press P0It reduces, the pressure difference F that the difference in areas between the big piston bottom surface and the T-type piston upper generates2Reduce, i.e. F2's
Size is P0*(S1-S2) it is less than the bounce F of spring IIS, so that the big piston and the T-type piston is in upper limit, it is described
Venthole is opened, and the carbon dioxide gas in the gas injection bottle is released, described after user stops pressing the pressing plate
Outlet is closed, and constantly being released out of described gas outlet due to the carbon dioxide gas in gas injection bottle is made in the fat
Air pressure P0Rise and be restored to the initial value of 0.2MPa, persistently to reach initial equilibrium state, the big piston base area S1
The pressure difference F that difference in areas between the T-type piston upper area generates1, i.e. F1Size be P0*(S1-S2) greater than described
The bounce F of spring IIS；To make the big piston and the T-type piston be in lower limit, the venthole is sealed again
Firmly, the real-time fresh-keeping of beer is realized；In the process since the diameter of the path part of the T-type piston is far smaller than big
The diameter of path portion, upward pressure very little caused by the air pressure of the gas injection bottle, thus ignores.
Implement the fresh-keeping wine device out of gas injection constant pressure of the present invention, the beneficial effect is that:
(1) the fresh-keeping wine apparatus structure out of gas injection constant pressure of the present invention is simple, and materials are saved, low manufacture cost；
(2) pressure constant state is kept in the fresh-keeping wine device bucket out of gas injection constant pressure of the present invention, to guarantee wine constant flow rate out, had
There is stable wine speed out, is isolated from the outside world in bucket, keeps the beer refreshing time longer；
(3) the fresh-keeping wine device discharge by pressing wine valve out of gas injection constant pressure of the present invention is drunk at any time in the shelf-life, is made with regard to automatic wine outflow
With convenient and efficient, class can more be promoted using the beer of the present apparatus by allowing.
Detailed description of the invention
Fig. 1: the fresh-keeping wine device appearance figure out of gas injection constant pressure of the present invention；
Fig. 2: the fresh-keeping wine device main view out of gas injection constant pressure of the present invention；
Fig. 3: the fresh-keeping wine device pressing plate partial enlarged view out of gas injection constant pressure of the present invention；
Fig. 4: the fresh-keeping wine device gas injection device partial enlarged view out of gas injection constant pressure of the present invention；
In figure: 1- contains wine device, and 2- goes out wine device, 3- gas injection device, 11- fat, 12- bung, and 13- proposes circle, 21- pressing
Plate, 22- valve core tube, 23- spring base, 24- spring I, 25- outlet, 26- conduit, 31- step piston cylinder, the big piston of 32-, 33-
T-type piston, 34- venthole, 35- gas injection bottle, 36- spring II, 37- weighing apparatus pressure hole.
Specific embodiment
The present invention is described further with reference to the accompanying drawing.
As shown in Figure 1,2,3, 4, a kind of fresh-keeping automatic wine outflow device of gas injection constant pressure type, comprising: contain wine device 1, go out wine dress
Set 2, gas injection device 3；The wine device 1 of containing includes: fat 11, bung 12, mentions circle 13；The wine device 2 out is mounted on bung
On 12, the gas injection device 3 is mounted on the bottom in bucket 11；The young beer contained wine device 1 and be used to contain pressurization, it is described
Fat 11 is thin wall cylindrical bucket, and the bung 12 is on fat 11, and 13 spiral-locks of circle that mention are on the bung 12；It is described
Wine device 2 includes pressing plate 21, valve core tube 22, spring base 23, spring I 24, conduit 26 out；The pressing plate 21 is mounted on described
On valve core tube 22, the valve core tube is installed on spring base 23, on I 24 upper end of the spring top to the check ring of valve core tube,
On the top to spring base 23 of lower end, the conduit 26 is installed on the small-bore boss of 23 lower end of spring base；The gas injection device 3 wraps
Include step piston cylinder 31, big piston 32, T-type piston 33, gas injection bottle 35, spring II 36, weighing apparatus pressure hole 37；The big piston 32 is installed
Into the cylinder large diameter portion of the step piston cylinder 31, big 32 bottom surface of piston and II 36 tip contact of spring,
The bottom end of the spring II 36 is installed in the spring groove of the step piston cylinder 31, and it is living that the T-type piston 33 is installed to ladder
In plug cylinder 31, pure water is filled between the T-type piston and the big piston 32, the gas injection bottle 35 is aluminum alloy material, tool
There are enough crushing resistances.
As shown in Figure 1,2,3, 4, a kind of fresh-keeping automatic wine outflow device of gas injection constant pressure type, work step are as follows: using
When the present apparatus, air pressure P is injected in the gas injection bottle 35 of the gas injection device 31For the carbon dioxide gas of 0.6MPa, the fat 11
Interior injection beer is simultaneously filled with air pressure P0For the carbon dioxide gas of 0.2MPa, when initial, it is described go out wine device 2 in the spool
Pipe 22 is in upper limit, and the outlet 25 is sealed, the big 32 base area S of piston1Above the T-type piston 33
The pressure difference F that difference in areas between area generates1, i.e. F1Size be P0*S1-S2Greater than the bounce F of the spring IIS；From
And the big piston 32 and the T-type piston 33 is made to be in lower limit, the venthole 34 is closed；It is described when drinks beer
Pressing plate 21 is pressed, and the valve core tube 22 is in lower limit, and the outlet 25 is opened, beer outflow, the fat 11
Interior air pressure P0The pressure difference F that difference in areas between above reduction, big 32 bottom surface of piston and the T-type piston 33 generates2Subtract
It is small, i.e. F2Size be P0*S1-S2Less than the bounce F of spring IIS, the big piston 32 and the T-type piston 33 is made to be in upper
Limit, the venthole 34 are opened, and the carbon dioxide gas in the gas injection bottle 35 is released, when user stops described in pressing
After pressing plate 21, the outlet 25 is closed, since the carbon dioxide gas in gas injection bottle 35 is constantly from the gas outlet
The air pressure P made in the fat 11 is released in 340Rise and be restored to the initial value of 0.2MPa, persistently to reach initial balance
State, the big 32 base area S of piston1The pressure difference F that difference in areas between the T-type piston 33 above area generates1,
That is F1Size be P0*S1-S2Greater than the bounce F of the spring IIS；To make the big piston 32 and the T-type piston 33
In lower limit, the venthole 34 is sealed up again, realizes the real-time fresh-keeping of beer.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (5)
1. a kind of fresh-keeping automatic wine outflow device of gas injection constant pressure type, it is characterised in that: include: contain wine device (1), go out wine device (2),
Gas injection device (3)；The wine device (1) of containing includes: fat (11), bung (12), mentions circle (13)；Described wine device (2) out are logical
The circular sheet for crossing the spring cavity outer wall of spring base (23), which is press-fitted, to be mounted on the bottleneck structure of the bung (12) and is embedded in one
Layer rubber ring is used to seal；The gas injection device (3) is fixedly mounted on the bottom in the fat (11).
2. a kind of fresh-keeping automatic wine outflow device of gas injection constant pressure type as described in claim 1, it is characterised in that: described to contain wine device
(1) it is used to contain the young beer after pressurization, the fat (11) is thin wall cylindrical bucket, and material is aluminium alloy, passes through punching press
Mode is fabricated；The bung (12) is the circular sheet of aluminum alloy material, and centre is that aluminium alloy sheet to be formed to turning over
Bottleneck structure, bung (12) edge are " several " character form structure, are used to, the bung chimeric with the fat (11) top edge
(12) part being fitted into after chimeric with the fat (11) is inwardly pressed into arcuate structure；Described mention circle (13) are rigid plastics, bottom
Portion is equipped with the annular groove fastened with the bung (12), and the circle (13) that mentions fastens on the bung (12), described to mention circle
(13) it is used to grab to propose whole device.
3. a kind of fresh-keeping automatic wine outflow device of gas injection constant pressure type as described in claim 1, it is characterised in that: the wine device out
It (2) include: pressing plate (21), valve core tube (22), spring base (23), spring I (24), outlet (25), conduit (26)；It is described to press
Pressing plate (21) is rigid plastics material, and front end is provided with circular hole and connect with wine outlet duct interference, and wine outlet duct is a curved hose,
The bottom protrusion one of the pressing plate (21) truncates pipe and connect and played when pressing plate is pressed with the valve core tube (22) interference
Position-limiting action；The valve core tube (22) is hollow tubular structure closed at one end, and closing one end is equipped with sealing ring, the spool
It manages and is provided on the bottom end side wall of (22) about median plane symmetrical two outlets (25), the outlet (25) is located at institute
The upper surface of the sealing ring of valve core tube (22) closing one end is stated, the intermediate side wall of the valve core tube (22) is equipped with check ring, institute
Stating valve core tube (22), to be installed to the spring base (23) inner；Check ring of spring I (24) the upper end top to valve core tube (22)
On, on the top to the bottom surface of spring base (23) of lower end；The spring base (23) is the different tubular structure of the diameter of aluminum alloy material,
Upper part is the spring cavity for installing the spring I (24), and spring cavity outer wall is protruding with a piece of circular sheet, and lower part is divided into control
The valve body cavity of beer processed outflow is provided with the cylindrical cavity of a major diameter in valve body cavity, and valve body cavity lower part is described for installing
The small-bore boss of conduit (26)；The conduit (26) is the tubular structure of hollow plastic, and the conduit (26) is connected using interference
The mode of connecing is installed on the small-bore boss of the valve body cavity lower part of spring base (23).
4. a kind of fresh-keeping automatic wine outflow device of gas injection constant pressure type as described in claim 1, it is characterised in that: the gas injection device
It (3) include: step piston cylinder (31), big piston (32), T-type piston (33), venthole (34), gas injection bottle (35), spring II
(36), weighing apparatus pressure hole (37)；The step piston cylinder (31) is aluminum alloy material, and internal diameter dimension is divided into three parts, on
The internal diameter of side is maximum, and intermediate internal diameter is placed in the middle, and the internal diameter of lower section is minimum, and the top inner ring of internal diameter largest portion is equipped with limit stop ring,
The bottom surface of internal diameter largest portion is machined with the spring groove for placing spring, and the side wall of intermediate internal diameter is provided with weighing apparatus pressure hole (37), interior
The smallest side wall of diameter is provided with the venthole (34), is set on cylinder inner wall there are two sealing ring below the venthole (34),
The bottom end of step piston cylinder (31) the internal diameter least part is thin round plate, and the step piston cylinder (31) uses casting and forming,
The big piston (32) is installed in the internal diameter largest portion of the step piston cylinder (31), and the spring II (36) is installed to institute
In the spring groove for stating step piston cylinder (31)；The T-type piston (33) is rigid plastics material, the work of the T-type piston (33)
The centre for filling in edge is equipped with a sealing ring, and the T-type piston (33) is installed in step piston cylinder (31), the T-type piston
(33) pure water is filled between the big piston (32)；The gas injection bottle (35) generally aluminum alloy material, using being cast as
Type, gas injection bottle top are set as bottleneck structure, and the step piston cylinder (31) and the gas injection bottle (35) use heat to snap technique will
The circular sheet of step piston cylinder (31) bottom and gas injection bottle top link together, and it is enough to guarantee that device has
Leakproofness.
5. a kind of fresh-keeping automatic wine outflow device of gas injection constant pressure type as described in claim 1, it is characterised in that: using the present apparatus
When, the gas injection bottle (35) of the gas injection device (3) is interior to inject air pressure P1For the carbon dioxide gas of 0.6MPa, the fat (11)
Interior injection beer is simultaneously filled with air pressure P0For the carbon dioxide gas of 0.2MPa, when initial, it is described go out wine device (2) in the valve
Core pipe (22) is in upper limit, and the outlet (25) is sealed, big piston (32) the base area S1It is living with the T-type
Fill in the pressure difference F that the difference in areas of (33) above between area generates1, i.e. F1Size be P0*(S1-S2) it is greater than the spring II
Bounce FS；To make the big piston (32) and the T-type piston (33) be in lower limit, the venthole (34) is sealed
It closes；When drinks beer, the pressing plate (21) is pressed, and the valve core tube (22) is in lower limit, outlet (25) quilt
It opens, beer outflow, the interior air pressure P of fat (11)0It reduces, on big piston (32) bottom surface and the T-type piston (33)
The pressure difference F that difference in areas between face generates2Reduce, i.e. F2Size be P0*(S1-S2) it is less than the bounce F of spring IIS, make
The big piston (32) and the T-type piston (33) are in upper limit, and the venthole (34) is opened, the gas injection bottle (35)
Interior carbon dioxide gas is released, and after user stops pressing pressing plate (21), the outlet (25) is closed, by
Carbon dioxide gas in gas injection bottle (35) constantly releases the gas made in the fat (11) out of the gas outlet (34)
Press P0Rise and be restored to the initial value of 0.2MPa, persistently to reach initial equilibrium state, big piston (32) the bottom surface face
Product S1The pressure difference F that difference in areas between the T-type piston (33) above area generates1, i.e. F1Size be P0*(S1-S2)
Greater than the bounce F of the spring IIS；To make the big piston (32) and the T-type piston (33) be in lower limit, again
The venthole (34) is sealed up, realizes the real-time fresh-keeping of beer；In the process due to T-type piston (33) lower end
The diameter of path part is far smaller than the diameter of large diameter portion, upwards pressure very caused by the air pressure of the gas injection bottle (35)
It is small, thus ignore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910007817.4A CN109850837A (en) | 2019-01-04 | 2019-01-04 | A kind of fresh-keeping automatic wine outflow device of gas injection constant pressure type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910007817.4A CN109850837A (en) | 2019-01-04 | 2019-01-04 | A kind of fresh-keeping automatic wine outflow device of gas injection constant pressure type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109850837A true CN109850837A (en) | 2019-06-07 |
Family
ID=66893874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910007817.4A Withdrawn CN109850837A (en) | 2019-01-04 | 2019-01-04 | A kind of fresh-keeping automatic wine outflow device of gas injection constant pressure type |
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| Country | Link |
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| CN (1) | CN109850837A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110734029A (en) * | 2019-11-21 | 2020-01-31 | 北京博欧泰克科技发展有限公司 | synchronous air-intake wine-making spear |
-
2019
- 2019-01-04 CN CN201910007817.4A patent/CN109850837A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110734029A (en) * | 2019-11-21 | 2020-01-31 | 北京博欧泰克科技发展有限公司 | synchronous air-intake wine-making spear |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190607 |
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