US20020088352A1 - Juice extractor - Google Patents

Juice extractor Download PDF

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Publication number
US20020088352A1
US20020088352A1 US10/022,816 US2281601A US2002088352A1 US 20020088352 A1 US20020088352 A1 US 20020088352A1 US 2281601 A US2281601 A US 2281601A US 2002088352 A1 US2002088352 A1 US 2002088352A1
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Prior art keywords
auger
juice extractor
juice
grinding
tube
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US10/022,816
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US6425321B1 (en
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Chung Yip
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    • 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
    • A47J19/00—Household machines for straining foodstuffs; Household implements for mashing or straining foodstuffs
    • A47J19/02—Citrus fruit squeezers; Other fruit juice extracting devices
    • A47J19/025—Citrus fruit squeezers; Other fruit juice extracting devices including a pressing screw

Definitions

  • the following invention relates to a juice extractor. More particularly, although not exclusively, the invention relates to a juice extractor having an auger which drives fruit or vegetable sediment toward a grinding mechanism for pulverising the sediment to extract more juice therefrom.
  • Known juice extractors can comprise various rotatable mechanisms for extracting juice from fruit or vegetables.
  • the fruit can be cut into halves and each half pushed down upon a rotating conical/hemispherical surface.
  • Such devices not only remove juice from the fruit but also mix in with the juice, the fibrous fruit particles and seeds. These particles are included with the extracted juice to be embibed.
  • an auger tube having an inlet for receiving fruit and/or vegetable pieces to be juiced and an outlet for extracted juice
  • an auger rotatably mounted within the tube and driven from outside the tube to rotate
  • a grinder at one end of the auger for receiving partly juiced sediment and grinding the sediment for extracting more juice therefrom, and
  • a ground sediment outlet separate from the juice outlet.
  • the auger includes a spiral formation having a pitch which decreases toward the grinder.
  • the grinder includes a grinding surface on one end of the auger and a grinding plate fixed within the auger tube, the grinding surface turning against the grinding plate upon rotation of the auger.
  • the grinding surface has a spiral formation and the grinding plate has a spiral formation in an opposite direction to the spiral formation of the grinding surface.
  • a residue outlet cap is temporarily secured to the auger tube.
  • the grinding plate is fixed within the residue outlet cap.
  • the grinding surface and grinding plate are substantially conical in form.
  • the residue outlet cap is substantially conical in form.
  • the auger tube has internal longitudinal grooves formed therein.
  • the auger has a splined end onto which a handle having a splined socket is received.
  • the auger tube includes a formation and the juice extractor also includes a base to which the formation is received.
  • the base is temporarily mounted upon a flat surface by a suction fastener.
  • FIG. 1 is a schematic parts—exploded perspective illustration of a juice extractor.
  • Juice extractor 10 includes an auger tube 11 having an inlet hopper 37 as shown.
  • An auger 15 is fitted within the auger tube 11 and has a splined driving end fitted within a splined socket 23 of a handle 12 . That is, the driving end of the auger passes through an opening in one end of the auger tube 11 to receive externally of the tube 11 the splined socket 23 . Rotation of handle 12 causes rotation of the auger 15 within the auger tube 11 .
  • grooves 13 Extending longitudinally along the inner surface of the auger tube 11 are grooves 13 . These grooves 13 might be spaced the whole way around the inner surface of the tube 11 or just part way therearound. If the grooves do not extend the whole way around the inner surface of the tube 11 , they might be provided just in the lower part thereof.
  • a bearing 14 typically formed of nylon fits around the splined end of the auger to locate the auger centrally of the aperture (not shown) through which the splined end passes to receive the splined socket 23 .
  • the splined end of the auger can be made of a different material than the main part of the auger itself. Where the auger is of plastics material, the splined end might be of stronger or higher density plastics. This piece might be adhered or plastics welded to the main part of the auger.
  • a residue outlet cap 19 is threaded onto the end of the auger tube 11 .
  • the residue outlet cap 19 has a conical form, to the inside of which there is received a metal grinding plate 18 .
  • Grinding plate 18 has helical indentations pressed thereon which correspond with similar shaped helical formations (not shown) moulded on the inside surface of the conical cap 19 . These helical formations mate with those of the grinding plate to prevent the grinding plate 18 from spinning within the cap 19 .
  • a sealing ring 17 fits within the cap 19 and presses against the end of the auger tube 11 when the cap 19 is threaded thereon.
  • the residue outlet cap 19 has a tip with a through-passage 34 . This tip is externally threaded to receive a residue tip outlet 20 having a small aperture 35 therein. Ground residue passes through the openings 34 and 35 to be received by a cup for example.
  • the auger 15 has a conically formed metallic grinding surface 16 adhered to its end.
  • the grinding surface 16 has spiral shaped formations extending in a direction opposite to the direction of the formations formed on the grinding plate 18 .
  • Plate 18 and surface 19 are typically metallic, whereas the other component of the auger and housing are typically formed of moulded plastics material.
  • the auger tube might be light is transmissive or transparent.
  • the auger 18 has a spiral 36 extending about its exterior surface from one end to the other. The pitch of the spiral decreases toward the grinding surface 16 . That is, beneath the hopper 37 , the pitch of the spiral is high, whereas the pitch decreases toward the residue outlet end.
  • the auger tube 11 has a lug 38 at its bottom surface to be received within a formation 39 at the top of a base 21 .
  • the base 21 is to be temporarily secured to a kitchen bench top by means of a suction fasting device therein.
  • the base 21 typically formed as a plastics moulding includes a shaft 26 having an eccentricity or cam located thereon.
  • the shaft extends through an aperture 25 .
  • a square head 27 that passes through a washer 28 .
  • Washer 28 is secured into a recess by screws.
  • a dial 29 is attached to the square head 27 and extends partly into the recess in the base about the aperture 25 .
  • a plate 30 which cooperates with a lifter 32 . Lifer 32 has an upstanding leg through which there is formed a cam surface 33 .
  • the shaft 36 passes through the aperture about which the cam surface 33 is formed, such that upon rotation of the shaft 26 upon turning of dial 29 , the lifer 32 lifts upwardly away from the bench top into the base 21 .
  • the lifter 32 bears against a diaphragm 31 formed of rubber for example and fixed at its periphery to the base. This diaphragm acts like a suction cup to hold the base 21 on to the bench top.
  • a specially shaped cup 22 sits on the bench top and partly surrounds the base 21 .
  • the cup 22 includes a juice receiving extension 40 which sits directly beneath the juice outlet 24 .
  • the pieces Due to the longitudinal grooves 13 against which the auger's spiral formation closely bears, the pieces do not simply rotate within the tube 11 , but are forced toward the grinding surface 16 . As the pitch of formation 36 decreases, the pieces are squeezed and extracted juice is caused to flow back to the outlet 24 to be received by the cup 22 . As fibrous sediment and seeds for example are delivered to the grinding surface 16 , they are pulverized between this surface and the grinding plate 18 against which the grinding surface turns. As the parts have spiral formations in opposing directions, an efficient crushing effect is achieved. Also, the pulverized pieces are driven toward the outlet apertures 34 and 35 and more juice is squeezed therefrom.
  • the cup 22 could be provided with two compartments, one for juice and the other for sediment received from the outlet 35 .
  • an electric motor, and possibly a reduction gearbox could drive the auger.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
  • Food-Manufacturing Devices (AREA)

Abstract

A juice extractor includes an auger tube having an auger rotatably mounted within it. The auger has a spiral formation of decreasing pitch toward a grinding end. At the grinding end, a grinding surface bears against a grinding plate to extract more juice from fruit or vegetable sediment. Sediment is delivered through an outlet, whereas juice is deliver from a separate outlet to a cup having a special shape.

Description

    FIELD OF THE INVENTION
  • The following invention relates to a juice extractor. More particularly, although not exclusively, the invention relates to a juice extractor having an auger which drives fruit or vegetable sediment toward a grinding mechanism for pulverising the sediment to extract more juice therefrom. [0001]
  • Known juice extractors can comprise various rotatable mechanisms for extracting juice from fruit or vegetables. For citrus juice, the fruit can be cut into halves and each half pushed down upon a rotating conical/hemispherical surface. Such devices not only remove juice from the fruit but also mix in with the juice, the fibrous fruit particles and seeds. These particles are included with the extracted juice to be embibed. [0002]
  • It might be desired to provide a natural fruit or vegetable juice with a reduced quantity of residue therein. [0003]
    • OBJECT OF THE INVENTION
  • It is an object of the present invention to provide a juice extractor in which fruit or vegetable sediment is better separated from the juice itself. [0004]
  • It is a further object of the present invention to provide and improved juice extractor that extracts more juice from fruit or vegetable sediment. [0005]
  • It is yet further object of the present invention to provide an efficient juice extractor for mounting temporarily on a kitchen bench. [0006]
  • It is a general object of the present invention to overcome or substantially ameliorate the above mentioned disadvantages. [0007]
    • DISCLOSURE OF THE INVENTION
  • There is disclose herein a juice extractor comprising: [0008]
  • an auger tube having an inlet for receiving fruit and/or vegetable pieces to be juiced and an outlet for extracted juice, [0009]
  • an auger rotatably mounted within the tube and driven from outside the tube to rotate, [0010]
  • a grinder at one end of the auger for receiving partly juiced sediment and grinding the sediment for extracting more juice therefrom, and [0011]
  • a ground sediment outlet separate from the juice outlet. [0012]
  • Preferably the auger includes a spiral formation having a pitch which decreases toward the grinder. [0013]
  • Preferably the grinder includes a grinding surface on one end of the auger and a grinding plate fixed within the auger tube, the grinding surface turning against the grinding plate upon rotation of the auger. [0014]
  • Preferably the grinding surface has a spiral formation and the grinding plate has a spiral formation in an opposite direction to the spiral formation of the grinding surface. [0015]
  • Preferably a residue outlet cap is temporarily secured to the auger tube. [0016]
  • Preferably the grinding plate is fixed within the residue outlet cap. [0017]
  • Preferably the grinding surface and grinding plate are substantially conical in form. [0018]
  • Preferably the residue outlet cap is substantially conical in form. [0019]
  • Preferably the auger tube has internal longitudinal grooves formed therein. [0020]
  • Preferably the auger has a splined end onto which a handle having a splined socket is received. [0021]
  • Preferably the auger tube includes a formation and the juice extractor also includes a base to which the formation is received. [0022]
  • Preferably the base is temporarily mounted upon a flat surface by a suction fastener.[0023]
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • A preferred form of the present invention will now be described by way of example with reference to FIG. 1 which is a schematic parts—exploded perspective illustration of a juice extractor.[0024]
    • DESCRIPTION OF THE PREFERRED EMBODIMENT
  • In the accompanying drawing there is schematically depicted in a parts-exploded diagram a juice extractor [0025] 10.
  • Juice extractor [0026] 10 includes an auger tube 11 having an inlet hopper 37 as shown.
  • An [0027] auger 15 is fitted within the auger tube 11 and has a splined driving end fitted within a splined socket 23 of a handle 12. That is, the driving end of the auger passes through an opening in one end of the auger tube 11 to receive externally of the tube 11 the splined socket 23. Rotation of handle 12 causes rotation of the auger 15 within the auger tube 11.
  • Extending longitudinally along the inner surface of the [0028] auger tube 11 are grooves 13. These grooves 13 might be spaced the whole way around the inner surface of the tube 11 or just part way therearound. If the grooves do not extend the whole way around the inner surface of the tube 11, they might be provided just in the lower part thereof.
  • To centrally mount the [0029] auger 15, a bearing 14, typically formed of nylon fits around the splined end of the auger to locate the auger centrally of the aperture (not shown) through which the splined end passes to receive the splined socket 23. The splined end of the auger can be made of a different material than the main part of the auger itself. Where the auger is of plastics material, the splined end might be of stronger or higher density plastics. This piece might be adhered or plastics welded to the main part of the auger.
  • A [0030] residue outlet cap 19 is threaded onto the end of the auger tube 11. The residue outlet cap 19 has a conical form, to the inside of which there is received a metal grinding plate 18. Grinding plate 18 has helical indentations pressed thereon which correspond with similar shaped helical formations (not shown) moulded on the inside surface of the conical cap 19. These helical formations mate with those of the grinding plate to prevent the grinding plate 18 from spinning within the cap 19. A sealing ring 17 fits within the cap 19 and presses against the end of the auger tube 11 when the cap 19 is threaded thereon. The residue outlet cap 19 has a tip with a through-passage 34. This tip is externally threaded to receive a residue tip outlet 20 having a small aperture 35 therein. Ground residue passes through the openings 34 and 35 to be received by a cup for example.
  • The [0031] auger 15 has a conically formed metallic grinding surface 16 adhered to its end. The grinding surface 16 has spiral shaped formations extending in a direction opposite to the direction of the formations formed on the grinding plate 18. Plate 18 and surface 19 are typically metallic, whereas the other component of the auger and housing are typically formed of moulded plastics material. The auger tube might be light is transmissive or transparent. The auger 18 has a spiral 36 extending about its exterior surface from one end to the other. The pitch of the spiral decreases toward the grinding surface 16. That is, beneath the hopper 37, the pitch of the spiral is high, whereas the pitch decreases toward the residue outlet end.
  • The [0032] auger tube 11 has a lug 38 at its bottom surface to be received within a formation 39 at the top of a base 21.
  • The base [0033] 21 is to be temporarily secured to a kitchen bench top by means of a suction fasting device therein.
  • The base [0034] 21, typically formed as a plastics moulding includes a shaft 26 having an eccentricity or cam located thereon. The shaft extends through an aperture 25. At the end of the shaft, there is provided a square head 27 that passes through a washer 28. Washer 28 is secured into a recess by screws. A dial 29 is attached to the square head 27 and extends partly into the recess in the base about the aperture 25. Within the base 29, there is provided a plate 30 which cooperates with a lifter 32. Lifer 32 has an upstanding leg through which there is formed a cam surface 33. The shaft 36 passes through the aperture about which the cam surface 33 is formed, such that upon rotation of the shaft 26 upon turning of dial 29, the lifer 32 lifts upwardly away from the bench top into the base 21. The lifter 32 bears against a diaphragm 31 formed of rubber for example and fixed at its periphery to the base. This diaphragm acts like a suction cup to hold the base 21 on to the bench top.
  • A specially shaped [0035] cup 22 sits on the bench top and partly surrounds the base 21. The cup 22 includes a juice receiving extension 40 which sits directly beneath the juice outlet 24.
  • In use, pieces of fruit and/or vegetable are inserted through the [0036] hopper 37 to the feed end of the auger tube 11. The handle 12 is rotated in a clockwise direction so as to cause the auger 15 to rotate within the tube 11. As a result, the fruit and/or vegetable pieces are caught by the spiral formation 36 to drive the pieces toward the grinding surface 16.
  • Due to the [0037] longitudinal grooves 13 against which the auger's spiral formation closely bears, the pieces do not simply rotate within the tube 11, but are forced toward the grinding surface 16. As the pitch of formation 36 decreases, the pieces are squeezed and extracted juice is caused to flow back to the outlet 24 to be received by the cup 22. As fibrous sediment and seeds for example are delivered to the grinding surface 16, they are pulverized between this surface and the grinding plate 18 against which the grinding surface turns. As the parts have spiral formations in opposing directions, an efficient crushing effect is achieved. Also, the pulverized pieces are driven toward the outlet apertures 34 and 35 and more juice is squeezed therefrom. Because aperture 35 is very small, nearly all of the juice from these pieces is driven back into the cylinder 11 to flow back to the juice outlet 24. To assist this flow, the bottom of the auger tube 11 can be inclined downwardly toward juice outlet 24. It should be appreciated that modifications and alternations obvious to those skilled in the art are not to be considered as beyond the scope of the present invention.
  • For example, the [0038] cup 22 could be provided with two compartments, one for juice and the other for sediment received from the outlet 35. Also, instead of a manually operated handle, an electric motor, and possibly a reduction gearbox could drive the auger.

Claims (12)

1. A juice extractor comprising:
an auger tube having an inlet for receiving fruit and/or vegetable pieces to be juiced and an outlet for extracted juice,
an auger rotatably mounted within the tube and driven from outside the tube to rotate,
a grinder at one end of the auger for receiving partly juiced sediment and grinding the sediment for extracting more juice therefrom, and
a ground sediment outlet separate from the juice outlet.
2. The juice extractor of claim 1 wherein the auger includes a spiral formation having a pitch which decreases toward the grinder.
3. The juice extractor of claim 1 wherein the grinder includes a grinding surface on one end of the auger and a grinding plate fixed within the auger tube, the grinding surface turning against the grinding plate upon rotation of the auger.
4. The juice extractor of claim 3 wherein the grinding surface has a spiral formation and the grinding plate has a spiral formation in an opposite direction to the spiral formation of the grinding surface.
5. The juice extractor of claim 1 wherein a residue outlet cap is temporarily secured to the auger tube.
6. The juice extractor of claim 5 wherein the grinding plate is fixed within the residue outlet cap.
7. The juice extractor of claim 3 wherein the grinding surface and grinding plate are substantially conical in form.
8. The juice extractor of claim 5 wherein the residue outlet cap is substantially conical in form.
9. The juice extractor of claim 1 wherein the auger tube has internal longitudinal grooves formed therein.
10. The juice extractor of claim 1 wherein the auger has a splined end onto which a handle having a splined socket is received.
11. The juice extractor of claim 1 wherein the auger tube includes a formation and the juice extractor also includes a base to which the formation is received.
12. The juice extractor of claim 11 wherein the base is temporarily mounted upon a flat surface by a suction fastener.
US10/022,816 2001-01-10 2001-12-18 Juice extractor Expired - Lifetime US6425321B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN01214880.6 2001-01-10
CN01214880 2001-01-10
CN01214880U CN2458957Y (en) 2001-01-10 2001-01-10 Manual slag and juice separated squeezer

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US20020088352A1 true US20020088352A1 (en) 2002-07-11
US6425321B1 US6425321B1 (en) 2002-07-30

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US (1) US6425321B1 (en)
JP (1) JP3990571B2 (en)
CN (1) CN2458957Y (en)
AU (1) AU783969B2 (en)
BR (1) BR8200051U (en)
DE (1) DE10200419A1 (en)
GB (1) GB2371471B (en)
HK (1) HK1048239B (en)
IT (1) ITMI20020019A1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1731062A1 (en) * 2005-06-06 2006-12-13 Yan Kwong Wong Foodstuffs processing device
US20090049998A1 (en) * 2006-06-21 2009-02-26 Kim Young-Ki Juice Extractor
US20130000494A1 (en) * 2011-06-29 2013-01-03 Yan Kwong Wong Multi-purpose juicer
US20130074707A1 (en) * 2011-09-27 2013-03-28 Greenfield World Trade, Inc. Horizontal juicer with compression strainer device
CN105030032A (en) * 2015-07-20 2015-11-11 邢福生 Juicer
US20160287000A1 (en) * 2013-06-21 2016-10-06 Elec-Tech International Co., Ltd. Juice Extractor

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KR200274699Y1 (en) * 2002-02-15 2002-05-04 김영기 A smasher for making juice
TWI250851B (en) * 2003-05-09 2006-03-11 Tzuen-Yu Jan Juice extractor
WO2006049644A1 (en) 2004-10-29 2006-05-11 Worldwide Sales, Inc. Liquid food fountain
US20070241205A1 (en) * 2006-04-17 2007-10-18 Fuglewicz Daniel P Fountain That Flows With Multiple Fluidic Materials
DE102006040344B4 (en) * 2006-08-29 2022-09-29 Robert Bosch Gmbh Holding device for an ultrasonic transducer
DE102008028666A1 (en) * 2008-06-17 2009-12-24 Leifheit Ag Chopping device for eatables, particularly garlic and cheese macerator, has separation and grinding device, where feed screw supplies product to separation and grinding device
US8807022B2 (en) 2009-10-12 2014-08-19 Alan Backus Devices and methods to disintegrate foods
HK1144641A2 (en) * 2010-10-19 2011-02-25 Wong Yan Kwong Juicer
KR101282315B1 (en) * 2011-06-14 2013-07-04 김영기 Juicer for green vegetable juice
KR101282314B1 (en) * 2011-06-14 2013-07-10 김영기 Juicer for green vegetable juice
EP2810591B1 (en) * 2012-02-05 2017-09-27 Yan Kwong Wong Juicer
EP2698083A1 (en) * 2012-08-14 2014-02-19 Koninklijke Philips N.V. A masticating separator for separating fruit or vegetable juice from fruit or vegetable pulp
WO2014026445A1 (en) * 2012-08-15 2014-02-20 宁波博菱电器有限公司 Extrusion head and ice-cream machine having same
CN103251299A (en) * 2013-04-27 2013-08-21 陈中华 Hand-operated juicer
CN103251298A (en) * 2013-04-28 2013-08-21 沈洪新 Juicer
AU2014350770A1 (en) * 2013-11-12 2016-06-02 Golden Choice Products Ltd. Juice extraction devices with mesh filter of variable distances from helical screw
WO2015139052A1 (en) * 2014-03-14 2015-09-17 Several Gardens Farm Two stage cold press juicer
CN105473032B (en) * 2014-03-31 2017-06-09 皇家飞利浦有限公司 Juice extractor
CN107048968B (en) * 2014-04-22 2019-06-18 九阳股份有限公司 A kind of extrusion juice extractor that juicing effect is high
EP3206541B1 (en) * 2014-10-15 2018-12-12 Koninklijke Philips N.V. Horizontal juice extractor
CN104490271A (en) * 2014-12-01 2015-04-08 广西大学 Household manual soybean milk machine
US20180049448A1 (en) * 2016-08-17 2018-02-22 Nostalgia Products Llc Melted food product waterfall apparatus with removable decorative pattern plate

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1731062A1 (en) * 2005-06-06 2006-12-13 Yan Kwong Wong Foodstuffs processing device
US20090049998A1 (en) * 2006-06-21 2009-02-26 Kim Young-Ki Juice Extractor
US8091473B2 (en) * 2006-06-21 2012-01-10 Kim Young-Ki Juice extractor
US20130000494A1 (en) * 2011-06-29 2013-01-03 Yan Kwong Wong Multi-purpose juicer
US9113740B2 (en) * 2011-06-29 2015-08-25 Yan Kwong Wong Multi-purpose juicer
US20130074707A1 (en) * 2011-09-27 2013-03-28 Greenfield World Trade, Inc. Horizontal juicer with compression strainer device
US20160287000A1 (en) * 2013-06-21 2016-10-06 Elec-Tech International Co., Ltd. Juice Extractor
CN105030032A (en) * 2015-07-20 2015-11-11 邢福生 Juicer

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DE10200419A1 (en) 2002-07-18
ITMI20020019A0 (en) 2002-01-09
AU1006102A (en) 2002-07-11
HK1048239B (en) 2005-10-14
GB0130567D0 (en) 2002-02-06
BR8200051U (en) 2002-10-29
JP2002233450A (en) 2002-08-20
GB2371471A (en) 2002-07-31
CN2458957Y (en) 2001-11-14
AU783969B2 (en) 2006-01-12
US6425321B1 (en) 2002-07-30
GB2371471B (en) 2005-03-23
JP3990571B2 (en) 2007-10-17
ITMI20020019A1 (en) 2003-07-09
HK1048239A1 (en) 2003-03-28

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