CN103053714B - Cold-water-brewing tea leaf processing equipment and technology - Google Patents
Cold-water-brewing tea leaf processing equipment and technology Download PDFInfo
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- CN103053714B CN103053714B CN 201110332461 CN201110332461A CN103053714B CN 103053714 B CN103053714 B CN 103053714B CN 201110332461 CN201110332461 CN 201110332461 CN 201110332461 A CN201110332461 A CN 201110332461A CN 103053714 B CN103053714 B CN 103053714B
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Abstract
The invention discloses cold-water-brewing tea leaf processing equipment which is commonly suitable for green tea, white tea, oolong and black tea and is composed of a high-power-density microwave heating assembly, a vacuum tower disc cooling assembly and a microwave medium vacuum drying machine. The tea leave processing equipment is characterized in that the high-power-density microwave heating assembly is of a pipeline-type structure; the vacuum tower disc temperature reduction assembly is developed from converse application of a known vacuum tower disc drying machine; and the medium vacuum microwave drying machine is of a pipeline-type structure. A cold-water-brewing tea leave production technology with the cold-water-brewing tea leaf processing equipment provided by the invention is characterized in that when high-density microwave energy is utilized for heating, moisture contained in cells of processed tea leaf raw materials is sufficiently warmed and vaporized, cell walls are exploded through vaporization, and thus ingredients contained in cells of the tea leaf raw materials are convenient to dissolve out in brewing with cold water.
Description
Technical field
The present invention relates to the Tea Production field, particularly a kind of cold water pouring type tea-processing equipment and technique.
Background technology
Traditional drinking method of tea is to use brewed in hot water tealeaves.
Along with rhythm of life is accelerated, the raising of running water health level, the country such as people's multiform becomes the Chilled Drinking Water custom, especially American-European is oneself hot-water supply not in public places, but therefore develop the tealeaves that a kind of cold water brews, necessitates.
Britain Unilever discloses a kind of patented technology of chemical method processing cold water type black tea, concrete steps are: bright leaf, and--withering,--chopping--is added 0.5%-10.0% ascorbic acid, arabo-ascorbic acid, 5-phenyl-3,4 diketone-r-butyrolactone or their salt--fermentation--drying.
This way only is suitable for the black tea of full fermentation, and a lot of state food rules are not allow to add chemical composition in tealeaves.
In the green tea production process, add the 1.0-1.5% cellulase to participate in and knead, can increase green tea stripping in cold water.Just cost increases a lot, and enzymatic activity is controlled difficulty.
In recent years, Japan, Korea S also develop simmering tea that cold water can leach, and the processing features of this tea is to extend bright leaf to steam the blue or green time (180～240s), alleviates essence and rubs degree, then adopts high fire dry.Be this steaming green tea taste, be only suitable for Japan and Korea S market.
Summary of the invention
But the object of the invention is to provide a kind of pervasive tea-processing equipment and technique brewed in the cold water of green tea, white tea, oolong tea, black tea.
Process equipment of the present invention is achieved in that by high power density heating using microwave assembly, vacuum tower tray cooling assembly, in microwave, vacuum drier forms, it is characterized in that high power density heating using microwave assembly is the duct type structure, conduit enclosure consists of stainless steel tube A as the Wei Bo Harmonic cavity that shakes, the internal diameter of stainless steel tube A and length meet to be set Wei ripple Pin and Shuais the Harmonic chamber dimensional requirement of shaking, stainless steel tube A is equipped with Material pipeline in inside, the outside left end of Material pipeline and right-hand member prevent that by the interdigital microwave of known configurations is left Vent drain structure A and right anti-Vent drain structure A are in stainless steel tube A positioned internal, the left anti-Vent drain structure A of interdigital microwave and right anti-Vent drain structure A have also prevented that microwave from leaking from stainless steel tube A Two end Vent, the inner left end of Material pipeline is equipped with the screw feeding device of known configurations translator,
Material pipeline left end opening and feed pipe end opening join, and feed pipe is suitable for reading to join with the hopper end opening, and hopper is contained in stainless steel tube A left end top, and the anti-Vent drain structure B of interdigital microwave of known configurations is equipped with in the feed pipe outside;
The microwave energy feed-in waveguide A of known configurations also is housed on stainless steel tube A tube wall, the microwave source A of the external known configurations of microwave energy feed-in waveguide A, microwave power supply A;
Stainless steel tube A right-hand member flange and vacuum tower tray cooling assembly charging aperture join, and the That of institute " vacuum tower tray cooling assembly " is the contrary application of known " vacuum tower tray drying machine ", and identical known configurations is arranged, by shell, and tower tray,
Turn rake, charging aperture, discharging opening, exhaust tube and known vacuum acquiring system A form; Just tower tray passes through is not heating liquid but cooling liquid;
In vacuum tower tray cooling assembly discharging opening and microwave, the vacuum drying machine inlet capable joins;
In microwave, vacuum drier is the duct type structure, conduit enclosure consists of stainless steel tube B as the Wei Bo Harmonic cavity that shakes, the internal diameter of stainless steel tube B and length meet to be set Wei ripple Pin and Shuais the Harmonic chamber dimensional requirement of shaking, and stainless steel tube B is equipped with inside the stirring propulsive mechanism of known configurations translator;
Have the microwave energy feed-in waveguide B of known configurations on stainless steel tube B wall, the microwave source B of the external known configurations of microwave energy feed-in waveguide B, microwave power supply B;
At the inner left end of stainless steel tube B, band aperture dividing plate is housed, aperture allows air to pass through, and prevents that microwave Vent from leaking, and also has exhaust outlet on stainless steel tube B left end top wall, and exhaust outlet meets the vacuum acquiring system B of known configurations;
In microwave, the vacuum drying machine inlet capable, above stainless steel tube B shell right-hand member, is equipped with air pressure interrupter and the anti-Vent drain structure C of upper interdigital microwave on known configurations;
In microwave, the vacuum drier discharging opening, below stainless steel tube B shell left end, is equipped with air pressure interrupter and the anti-Vent drain structure C of lower interdigital microwave under known configurations;
Be equipped with in microwave energy feed-in waveguide B and can cut off again the dividing plate that air bleeds through microwave energy.
Utilize the above-mentioned cold water pouring type of the present invention tea-processing equipment to carry out cold water pouring type process for tea manufacture, it is characterized in that hopper from the being contained in stainless steel tube A left end top processed tea raw material that contains moisture of packing into, the processed tea raw material that contains moisture under the screw feeding device promotes from the end motion to the right of the inner left end of Material pipeline, be subject to the feed-in Microwave Heating simultaneously, design high density Microwave Heating is enough to make the cell of the processed tea raw material that contains moisture to contain the moisture gasification that heats up rapidly, the gasification explosion cell membrane, the cell that is convenient to tea raw material contains composition and facilitate stripping when cold water brews,
Through explosion the tea raw material that is heated intensification of cell membrane enter vacuum tower tray cooling assembly, at cooling liquid
With the lower cooling rapidly of vacuum synergy, this is conducive to protect look and fragrance is preserved;
Tea raw material through cooling rapidly enters vacuum drier in microwave, and the boiling point of known water is relevant with ambient pressure, under the middle vacuum environment lower than 0.1MPa, just can be lower than dry tea raw material at 100 ℃ of temperature, and this is conducive to protect look and fragrance is preserved;
Above-mentioned " tea raw material " Come source 1 is after processes well known processing, contains moisture final dry dark brownish green, and this is dark brownish green refers to that in green tea, white tea, oolong tea, black tea, any is dark brownish green; Come source 2 is after processes well known processing, final dry tealeaves finished product, this tealeaves finished product refer to green tea, in vain in tea, oolong tea, black tea any, through again using after rehydration;
Above-mentioned " tea raw material " water content 20-40%.
Ambient pressure and water boiling point relation:
Above-mentioned " middle vacuum " is to refer in particular to the 4.4-19.2KPa environmental pressure.
Control the feed-in microwave energy and coordinate and set " middle vacuum " 4.4-19.2KPa environmental pressure, just can be at 30-60 ℃ of temperature the rapid draing tea raw material.
This is a continuous automatic production process.
The accompanying drawing explanation
Fig. 1 is cold water pouring type tea-processing equipment structural representation
The specific embodiment
Further illustrate cold water pouring type tea-processing equipment structure of the present invention below in conjunction with accompanying drawing, as shown in figure mono-, by high power density heating using microwave assembly (12), vacuum tower tray cooling assembly (8), vacuum drier in microwave (25) forms, it is characterized in that high power density heating using microwave assembly (12) is for the duct type structure, conduit enclosure consists of stainless steel tube A (4) as the Wei Bo Harmonic cavity that shakes, the internal diameter of stainless steel tube A (4) and length meet to be set Wei ripple Pin and Shuais the Harmonic chamber size of shaking and want art, stainless steel tube A (4) is equipped with Material pipeline (13) in inside, the outside left end of Material pipeline (13) and right-hand member prevent that by the interdigital microwave of known configurations is left the anti-Vent drain structure A (5) in Vent drain structure A (11) and the right side is in stainless steel tube A (4) positioned internal, the left anti-Vent drain structure A (11) of interdigital microwave and the right anti-Vent drain structure A (5) of interdigital microwave have also prevented that microwave from leaking from stainless steel tube A (4) Two end Vent, the inner left end of Material pipeline is equipped with the screw feeding device (10) of known configurations translator,
Material pipeline (13) left end opening and feed pipe (2) end opening join, feed pipe (2) is suitable for reading to join with hopper (1) end opening, hopper (1) is contained in stainless steel tube A (4) left end top, and the anti-Vent drain structure B (30) of interdigital microwave of known configurations is equipped with in feed pipe (2) outside;
Also have the microwave energy feed-in waveguide A (3) of known configurations on stainless steel tube A (4) wall, the microwave source A of the external known configurations of microwave energy feed-in waveguide A (3), microwave power supply A;
Stainless steel tube A (4) right-hand member (6) joins with vacuum tower tray cooling assembly (8) charging aperture (26); the That of institute " vacuum tower tray cooling assembly " is the contrary application of known " vacuum tower tray drying machine ", identical known configurations is arranged, by shell (27), tower tray (14), turn rake (7), charging aperture (26), discharging opening (28), exhaust tube (9) and known vacuum acquiring system A form; Just tower tray passes through is not heating liquid but cooling liquid;
In vacuum tower tray cooling assembly (8) discharging opening (28) and microwave, vacuum drier (25) import (29) is joined;
Vacuum drier in microwave (25) is the duct type structure, conduit enclosure consists of stainless steel tube B (24) as the Wei Bo Harmonic cavity that shakes, the internal diameter of stainless steel tube B (24) and length meet to be set Wei ripple Pin and Shuais the Harmonic chamber size of shaking and want art, and stainless steel tube B (24) is equipped with inside the stirring propulsive mechanism (23) of known configurations translator;
Have the microwave energy feed-in waveguide B (16) of known configurations on stainless steel tube B (24) tube wall, the microwave source B of the external known configurations of microwave energy feed-in waveguide B (16), microwave power supply B;
At the inner left end of stainless steel tube B (24), band aperture dividing plate (18) is housed, aperture allows air to pass through, and prevent that microwave Vent from leaking, also have exhaust outlet (15) on stainless steel tube B (24) left end top wall, exhaust outlet (15) meets the vacuum acquiring system B of known configurations; Vacuum drier in microwave (25) charging aperture (29) is in stainless steel tube B (24) shell right-hand member top, anti-Vent drain structure C (19) on air pressure interrupter (20) and interdigital microwave is housed on known configurations, vacuum drier in microwave (25) discharging opening (22), in stainless steel tube B (24) shell left end below, is equipped with air pressure interrupter (21) and the anti-Vent drain structure C (31) of lower interdigital microwave under known configurations;
Be equipped with in microwave energy feed-in waveguide B (16) and can cut off again the dividing plate (17) that air bleeds through microwave energy.Utilize the above-mentioned cold water pouring type of the present invention tea-processing equipment to carry out cold water pouring type process for tea manufacture, it is characterized in that hopper (1) from being contained in stainless steel tube A (4) the left end top processed tea raw material of water content 20-40% of packing into, processed tea raw material under screw feeding device (10) promotes from the end motion to the right of the inner left end of Material pipeline (13), be subject to the feed-in Microwave Heating simultaneously, design high density Microwave Heating is enough to make processed tea raw material cell to contain the moisture gasification that heats up rapidly, the gasification explosion cell membrane, be convenient to tea raw material cell component content and facilitate stripping when cold water brews,
Through explosion the tea raw material that is heated intensification of cell membrane enter vacuum tower tray cooling assembly (8), cooling rapidly under cooling liquid and vacuum synergy, this is conducive to protect look and fragrance preservation;
Tea raw material through cooling rapidly enters vacuum drier in microwave (25), the boiling point of known water is relevant with ambient pressure, under the middle vacuum environment lower than 0.1MPa, just can be lower than dry tea raw material at 100 ℃ of temperature, this is conducive to protect look and fragrance is preserved.
Embodiment 1:
Cold water pouring type tea-processing equipment structure of the present invention, as shown in figure mono-, by high power density heating using microwave assembly (12), vacuum tower tray cooling assembly (8), vacuum drier in microwave (25) forms, it is characterized in that high power density heating using microwave assembly (12) is for the duct type structure, conduit enclosure shakes cavity by stainless steel tube A (4) formation, the internal diameter of stainless steel tube A (4) as Wei Bo Harmonic
should meet and set microwave 2450MHZ Pin and Shuai the Harmonic chamber size of shaking and want art with length 2000-3000mm, stainless steel tube A (4) is equipped with inside Material pipeline (13) internal diameter
length 2000-3000mm, the outside left end of Material pipeline (13) and right-hand member prevent that by the interdigital microwave of known configurations is left the anti-Vent drain structure A (5) in Vent drain structure A (11) and the right side is in stainless steel tube A (4) positioned internal, the left anti-Vent drain structure A (11) of interdigital microwave and the right anti-Vent drain structure A (5) of interdigital microwave have also prevented that microwave from leaking from stainless steel tube A (4) Two end Vent, and the inner left end of Material pipeline is equipped with the screw feeding device (10) of known configurations translator;
Material pipeline (13) left end opening and feed pipe (2) end opening join, feed pipe (2) is suitable for reading to join with hopper (1) end opening, hopper (1) is contained in stainless steel tube A (4) left end top, and the anti-Vent drain structure B (30) of interdigital microwave of known configurations is equipped with in feed pipe (2) outside;
Also have the microwave energy feed-in waveguide A (3) of known configurations on stainless steel tube A (4) wall, the microwave source A of the external known configurations of microwave energy feed-in waveguide A (3), microwave power supply A;
Stainless steel tube A (4) right-hand member (6) joins with vacuum tower tray cooling assembly (8) charging aperture (26); the That of institute " vacuum tower tray cooling assembly " is the contrary application of known " vacuum tower tray drying machine ", identical known configurations is arranged, by shell (27), tower tray (14), turn rake (7), charging aperture (26), discharging opening (28), exhaust tube (9) and known vacuum acquiring system A form; Just tower tray passes through is not heating liquid but cooling liquid, and the structure of known vacuum tower tray drying machine, meet production capacity: water separation capability 30Kg/h;
In vacuum tower tray cooling assembly (8) discharging opening (28) and microwave, vacuum drier (25) charging aperture (29) joins;
Vacuum drier in microwave (25) is the duct type structure, and conduit enclosure shakes cavity by stainless steel tube B (24) formation, the internal diameter of stainless steel tube B (24) as Wei Bo Harmonic
meet and set the microwave frequency 2450MHZ Harmonic chamber dimensional requirement of shaking with length 4000-6000mm, stainless steel tube B (24) is equipped with inside the stirring propulsive mechanism (23) of known configurations translator;
Have the microwave energy feed-in waveguide B (16) of known configurations on stainless steel tube B (24) tube wall, the microwave source B of the external known configurations of microwave energy feed-in waveguide B (16), microwave power supply B;
At the inner left end of stainless steel tube B (24), band is housed
aperture dividing plate (18), aperture allows air to pass through, and prevents that the microwave ripple from leaking, and also has exhaust outlet (15) on stainless steel tube B (24) left end top wall, and exhaust outlet (15) meets the vacuum acquiring system B of known configurations; Vacuum drier in microwave (25) charging aperture (29) is in stainless steel tube B (24) shell right-hand member top, anti-Vent drain structure C (19) on air pressure interrupter (20) and interdigital microwave is housed on known configurations, vacuum drier in microwave (25) discharging opening (22), in stainless steel tube B (24) shell left end below, is equipped with air pressure interrupter (21) and the anti-Vent drain structure C (31) of lower interdigital microwave under known configurations;
Be equipped with in microwave energy feed-in waveguide B (16) and can cut off again the dividing plate (17) that air bleeds through microwave energy.Utilize the above-mentioned cold water pouring type of the present invention tea-processing equipment to carry out cold water pouring type process for tea manufacture, it is characterized in that packing water content 20-40% into after processes well known processing from the hopper above being contained in stainless steel tube A (4) left end, contain the not final dry green tea of moisture, white tea, oolong tea, any of black tea is dark brownish green, dark brownish green under screw feeding device (10) promotes from the end motion to the right of the inner left end of Material pipeline (13), be subject to the feed-in Microwave Heating simultaneously, design high density microwave energy 100KW heating is enough to make the dark brownish green cell of 60-100Kg/h to contain the moisture gasification that heats up rapidly, the gasification explosion cell membrane, be convenient to the stripping when cold water brews of dark brownish green cell component content,
Through explosion the dark brownish green vacuum tower tray cooling assembly (8) that enters that is heated intensification of cell membrane, under cooling liquid and vacuum synergy, in 1-3min, be cooled to rapidly below 60 ℃, this is conducive to protect look and fragrance preservation; The dark brownish green vacuum drier in microwave (25) that enters through lowering the temperature rapidly, vacuum drier in microwave (25) installation microwave energy 60KW, control the feed-in microwave energy and coordinate setting " middle vacuum " 4.4-19.2KPa environmental pressure, just can be at 30-60 ℃ of temperature the rapid draing tea raw material, this is conducive to protect look and fragrance is preserved.
Process tealeaves and can brew ediblely in 10-30 ℃ of water, also can be used as the production of tea drinks raw material.
After processes well known processing, final dry tealeaves finished product, refer to green tea, white tea, oolong tea, any tealeaves of black tea, press known method again rehydration after water content 20-40%, the equipment and technology processing of using embodiment 1 to address, process tealeaves and can brew ediblely in 10-30 ℃ of water, also can be used as the production of tea drinks raw material.
Claims (2)
1. a cold water pouring type tea-processing equipment, by high power density heating using microwave assembly (12), vacuum tower tray cooling assembly (8), vacuum drier in microwave (25) forms, it is characterized in that high power density heating using microwave assembly (12) is for the duct type structure, conduit enclosure consists of stainless steel tube A (4) as microwave resonance cavity, the internal diameter of stainless steel tube A (4) and length meet sets the requirement of microwave frequency resonant cavity size, stainless steel tube A (4) is equipped with Material pipeline (13) in inside, the outside left end of Material pipeline (13) and right-hand member by the left leakage-proof structure A of interdigital microwave (11) of known configurations with right leakage-proof structure A (5) in stainless steel tube A (4) positioned internal, the left leakage-proof structure A of interdigital microwave (11) and the right leakage-proof structure A of interdigital microwave (5) have also prevented that microwave from leaking from stainless steel tube A (4) two ends, the inner left end of Material pipeline is equipped with the screw feeding device (10) of known configurations translator,
Material pipeline (13) left end opening and feed pipe (2) end opening join, feed pipe (2) is suitable for reading to join with hopper (1) end opening, hopper (1) is contained in stainless steel tube A (4) left end top, and the interdigital microwave leakage-proof structure B (30) of known configurations is equipped with in feed pipe (2) outside;
Also have the microwave energy feed-in waveguide A (3) of known configurations on stainless steel tube A (4) wall, the microwave source A of the external known configurations of microwave energy feed-in waveguide A (3), microwave power supply A;
Stainless steel tube A (4) right-hand member (6) joins with vacuum tower tray cooling assembly (8) charging aperture (26), so-called " vacuum tower tray cooling assembly " is the contrary application of known " vacuum tower tray drying machine ", identical known configurations is arranged, by shell (27), tower tray (14), turn rake (7), charging aperture (26), discharging opening (28), exhaust tube (9) and known vacuum acquiring system A form; Just tower tray passes through is not heating liquid but cooling liquid;
In vacuum tower tray cooling assembly (8) discharging opening (28) and microwave, vacuum drier (25) charging aperture (29) joins;
Vacuum drier in microwave (25) is the duct type structure, conduit enclosure consists of stainless steel tube B (24) as microwave resonance cavity, the internal diameter of stainless steel tube B (24) and length meet sets the requirement of microwave frequency resonant cavity size, and stainless steel tube B (24) is equipped with inside the stirring propulsive mechanism (23) of known configurations translator;
Have the microwave energy feed-in waveguide B (16) of known configurations on stainless steel tube B (24) tube wall, the microwave source B of the external known configurations of microwave energy feed-in waveguide B (16), microwave power supply B;
At the inner left end of stainless steel tube B (24), band aperture dividing plate (18) is housed, aperture allows air to pass through, and prevent microwave leakage, also have exhaust outlet (15) on stainless steel tube B (24) left end top wall, exhaust outlet (15) meets the vacuum acquiring system B of known configurations; Vacuum drier in microwave (25) charging aperture (29) is in stainless steel tube B (24) shell right-hand member top, leakage-proof structure C (19) on air pressure interrupter (20) and interdigital microwave is housed on known configurations, vacuum drier in microwave (25) discharging opening (22), in stainless steel tube B (24) shell left end below, is equipped with air pressure interrupter (21) and lower interdigital microwave leakage-proof structure C (31) under known configurations; Be equipped with in microwave energy feed-in waveguide B (16) and can cut off again the dividing plate (17) that air bleeds through microwave energy.
2. a cold water pouring type process for tea manufacture, it is characterized in that being that right to use requires 1 described cold water pouring type tea-processing equipment, from the hopper (1) that is contained in stainless steel tube A (4) the left end top processed tea raw material of water content 20-40% of packing into, processed tea raw material under screw feeding device (10) promotes from the end motion to the right of the inner left end of Material pipeline (13), be subject to the feed-in Microwave Heating simultaneously, design high density Microwave Heating is enough to make processed tea raw material cell to contain the moisture gasification that heats up rapidly, the gasification explosion cell membrane, be convenient to tea raw material cell component content and facilitate stripping when cold water brews,
Through explosion the tea raw material that is heated intensification of cell membrane enter vacuum tower tray cooling assembly (8), cooling rapidly under cooling liquid and vacuum synergy, this is conducive to protect look and fragrance preservation;
Tea raw material through cooling rapidly enters vacuum drier in microwave (25), the boiling point of known water is relevant with ambient pressure, under the middle vacuum environment lower than 0.1MPa, just can be lower than dry tea raw material at 100 ℃ of temperature, this is conducive to protect look and fragrance is preserved;
Above-mentioned " tea raw material " originates 1 is after processes well known processing, contains moisture final dry dark brownish green, and this is dark brownish green refers to that in green tea, white tea, oolong tea, black tea, any is dark brownish green; Source 2 is after processes well known processing, final dry tealeaves finished product, this tealeaves finished product refer to green tea, in vain in tea, oolong tea, black tea any, through again using after rehydration;
Above-mentioned " tea raw material " water content 20-40%.
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| CN 201110332461 CN103053714B (en) | 2011-10-24 | 2011-10-24 | Cold-water-brewing tea leaf processing equipment and technology |
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| CN 201110332461 CN103053714B (en) | 2011-10-24 | 2011-10-24 | Cold-water-brewing tea leaf processing equipment and technology |
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| CN103416494A (en) * | 2013-08-06 | 2013-12-04 | 贵州大学 | A kind of green tea cell wall breaking processing method |
| CN103931803B (en) * | 2014-04-25 | 2015-05-20 | 广西罗城新科双全有机食品有限公司 | Tea processing method |
| CN105935118A (en) * | 2016-07-07 | 2016-09-14 | 神农架林区神农奇峰茶业有限公司 | Tea polyphenol extraction method and beverage |
| CN110873516A (en) * | 2018-08-30 | 2020-03-10 | 侯梦斌 | Rotary drum type microwave vacuum processing equipment and process |
| CN110250307A (en) * | 2019-06-25 | 2019-09-20 | 金坤石家庄众创空间有限公司 | A kind of process equipment and method for Golden flower tea |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1252228A (en) * | 1999-10-23 | 2000-05-10 | 邓楚望 | Tea made with both cold and hot water |
| CN1338899A (en) * | 1999-02-08 | 2002-03-06 | 荷兰联合利华有限公司 | Cold water infusing leaf tea |
| CN1358064A (en) * | 1999-02-08 | 2002-07-10 | 荷兰联合利华有限公司 | Cold brew tea |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1338899A (en) * | 1999-02-08 | 2002-03-06 | 荷兰联合利华有限公司 | Cold water infusing leaf tea |
| CN1358064A (en) * | 1999-02-08 | 2002-07-10 | 荷兰联合利华有限公司 | Cold brew tea |
| CN1252228A (en) * | 1999-10-23 | 2000-05-10 | 邓楚望 | Tea made with both cold and hot water |
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Effective date of registration: 20230918 Address after: Room A-35, 4th Floor, Building 14, Innovation Park, No. 3 Keji East Road, Jianping Village, Shangjie Town, Minhou County, Fuzhou City, Fujian Province, 350000 Patentee after: Huanyu Tongzhen Tea Biotechnology (Fuzhou) Co.,Ltd. Address before: Fuzhou City, Fujian province Tongde road 350009 Whitehorse Road No. 53 bin de Park Building No. 3 Room 305 Patentee before: Hou Mengbin |