EP0572092A2 - Stirring apparatus - Google Patents

Stirring apparatus Download PDF

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Publication number
EP0572092A2
EP0572092A2 EP93201517A EP93201517A EP0572092A2 EP 0572092 A2 EP0572092 A2 EP 0572092A2 EP 93201517 A EP93201517 A EP 93201517A EP 93201517 A EP93201517 A EP 93201517A EP 0572092 A2 EP0572092 A2 EP 0572092A2
Authority
EP
European Patent Office
Prior art keywords
stirring apparatus
carriage
sleeve
guide element
stirring
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.)
Granted
Application number
EP93201517A
Other languages
German (de)
French (fr)
Other versions
EP0572092B1 (en
EP0572092A3 (en
Inventor
Coen Hendrik Decnop
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Typhoon Group BV
Original Assignee
Typhoon Martens BV
Typhoon Group BV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Typhoon Martens BV, Typhoon Group BV filed Critical Typhoon Martens BV
Publication of EP0572092A2 publication Critical patent/EP0572092A2/en
Publication of EP0572092A3 publication Critical patent/EP0572092A3/en
Application granted granted Critical
Publication of EP0572092B1 publication Critical patent/EP0572092B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/23—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by the orientation or disposition of the rotor axis
    • B01F27/231—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by the orientation or disposition of the rotor axis with a variable orientation during mixing operation, e.g. with tiltable rotor axis
    • B01F27/2311—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by the orientation or disposition of the rotor axis with a variable orientation during mixing operation, e.g. with tiltable rotor axis the orientation of the rotating shaft being adjustable in the interior of the receptacle, e.g. by tilting the stirrer shaft during the mixing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/50—Movable or transportable mixing devices or plants
    • B01F33/501—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use
    • B01F33/5011—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use portable during use, e.g. hand-held
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/86—Mixing heads comprising a driven stirrer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
    • B01F35/32—Driving arrangements
    • B01F35/32005—Type of drive
    • B01F35/3204—Motor driven, i.e. by means of an electric or IC motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/40—Mounting or supporting mixing devices or receptacles; Clamping or holding arrangements therefor
    • B01F35/41—Mounting or supporting stirrer shafts or stirrer units on receptacles
    • B01F35/411—Mounting or supporting stirrer shafts or stirrer units on receptacles by supporting only one extremity of the shaft
    • B01F35/4113—Mounting or supporting stirrer shafts or stirrer units on receptacles by supporting only one extremity of the shaft at a side wall of the receptacle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/40—Mounting or supporting mixing devices or receptacles; Clamping or holding arrangements therefor
    • B01F35/41—Mounting or supporting stirrer shafts or stirrer units on receptacles
    • B01F35/413—Mounting or supporting stirrer shafts or stirrer units on receptacles by means of clamps or clamping arrangements for fixing attached stirrers or independent stirrer units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
    • B01F27/61—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis about an inclined axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
    • B01F35/32—Driving arrangements
    • B01F35/32005—Type of drive

Definitions

  • the invention relates to a stirring apparatus, which stirring apparatus comprises a standing guide element, a carriage slidable and fixable along the guide element, a stirring apparatus shaft support arranged for pivoting relative to the carriage.
  • Such a stirring apparatus of the type described in the preamble is mainly used for mixing or stirring a mass stored in an open vessel, which vessel is transportable to and away from the stirring apparatus. To this end it must be possible to retract the stirring apparatus easily from the vessel and the stirring apparatus must also be able to assume the optimum position in relation to the vessel, which requires a great freedom of movement of the stirring apparatus relative to the standing guide.
  • the known stirring apparatuses have drawbacks in respect of this great freedom of movement, which also makes handling of the stirring apparatus difficult.
  • the invention has for its object to obviate the above stated drawbacks and provides for this purpose a stirring apparatus wherein the pivot axis of the support crosses the guide element at a distance from the guide path.
  • the carriage is provided with a bore for receiving a therein fitting sleeve with conically widening head end portion, wherein between the sleeve and the carriage a pulling member is arranged to enable immobilizing of the sleeve relative to the carriage.
  • the stirring apparatus preferably intersects the pivot axis of the support, which also results automatically in a vertical position of the stirring apparatus shaft when the support is released.
  • the vertical guide element here in the form of a smooth pillar, which is provided with a foot 2 so that the guide can be placed as an independent unit on a shop floor.
  • a carriage 3 is slidable up and downward and fixable along the vertical guide 1, which is further elucidated hereinbelow.
  • the carriage is provided with a support 4 which is pivotable on an axis B relative to the carriage and which support 4 carries a flange 5 of an electric motor 8 for the stirring apparatus shaft 6.
  • the stirring apparatus shaft 6 is the screw shaft of the stirring member, which member is shown here in the form of two blades 7.
  • the stirring apparatus can of course have any other construction within the scope of the invention.
  • the stirring shaft 6 is driven here for instance by the electric motor 8 supplied by a voltage source (not shown), which can however be replaced by any drive.
  • Such a device is suitable for mixing or stirring the contents of a vessel V, wherein the stirring apparatus shaft can assume any random spatial position depending on the position of the carriage 3 in relation to the guide 1, the angular position of stirring apparatus support 4 and the height of carriage 3 along the guide 1.
  • Fig. 2 shows schematically the position of the different axes.
  • the dashed line A-A corresponds with the axis of the vertical guide 1, the dashed line B-B with the tilt axis B in fig. 1 and the dashed line C-C with the axis of the stirring apparatus shaft 6.
  • the axis B-B crosses the axis A-A at a distance D while the axis C-C intersects the axis B-B. Because the axis C-C comes to lie at a distance from axis A-A when this is situated in the vertical position, it is possible to place the stirring apparatus shaft 6 practically vertically in vessel V. Owing to the intersecting position of axes C-C and B-B the stirring apparatus shaft will always move into the vertical position when the support 4 is not fixed onto the carriage.
  • Fig. 3 shows a cross section of carriage 3 with the support 4 according to the invention arranged for rotation therein. This shown construction is extremely easy to operate and provides a great stability and robustness of the total device, certainly with respect to the vibrations occurring during stirring.
  • carriage 3 is embodied with a continuous bore in which the vertical pillar 1 is received close-fittingly.
  • a lock screw 11 Received in a threaded hole 10 is a lock screw 11, the end surface of which can be placed into contact with the outer periphery of pillar 1.
  • the lock screw 11 can be operated by means of a hand-grip 12, by rotation of which the lock screw 11 can be moved a further or less far into the threaded hole 10 so that the end surface thereof can be placed in contact with pillar 1.
  • the carriage 3 can be immobilized in relation to pillar 1 and, vice-versa, when lock screw 11 is loosened the carriage 3 can slide up and downward in vertical sense along pillar 1 and also be rotated on the axis, see also the axis A-A in fig. 2.
  • Carriage 3 is also embodied with a blind bore 13, the axis B-B of which lies perpendicularly of pillar 1.
  • Received close-fittingly in the blind bore 13 is a sleeve 14, wherein it is noted that the bore widens at 15 at the left-hand end in fig. 3.
  • the sleeve 14 is for the greater part cylindrical and is likewise embodied widening in conical form at the position of the widening 15.
  • Sleeve 14 is close-fitting in the bore 13 such that when the sleeve 14 is pulled to the right in fig. 3 the outer periphery of the conical portion thereof comes into close contact with the inner surface of the widened portion of bore 13.
  • Sleeve 14 can herewith be immobilized in relation to carriage 3.
  • a pulling element in the form of a screw bolt 16 which is placed centrally with the threaded end thereof in a threaded hole 17 of sleeve 14.
  • the bolt 16 is embodied on the end remote from the sleeve 14 with a thickened cylindrical portion 18 onto which connects a hexagonal head with hand-grip.
  • the thickened cylindrical portion 18 is carried through a cylindrical hole recessed centrally in the bottom of the blind bore 13 and coupled rotatably relative to the carriage 3 by means of washers 19. An axial movement of the bolt relative to the carriage 3 is hereby prevented.
  • the screw bolt 16 By turning the hand-grip the screw bolt 16 can be turned further or less far into the threaded hole 17, whereby sleeve 14 can be pushed respectively to the right or to the left in the bore 13.
  • the sleeve 14 can similarly be immobilized, as described above, by firmly tightening the bolt 16.
  • Sleeve 14 serves as connecting element for the screw shaft support 4, which can be formed in random manner and adapted to the form of screw shaft 6.
  • the screw shaft support 4 is embodied with a threaded hole 19 which fits onto a threaded end part 20 of sleeve 14 which lies co-axially of bore hole 17. The fixing between support 4 and sleeve 14 is hereby effected.
  • the carriage 3 is placed to height and in the correct angular position with the hand-grip 12, while by manipulating the bolt 16 the sleeve 14 can be released, the support 4 can be rotated relative to the carriage, so that the stirring apparatus shaft 6 can be placed in the correct spatial angular position.
  • the hexagonal head of bolt 16 By tightening the hexagonal head of bolt 16 the device is immobilized.

Abstract

Stirring apparatus, which stirring apparatus comprises a standing guide element (1), a carriage (3) slidable and fixable along the guide element, a stirring apparatus shaft support (4) arranged for pivoting relative to the carriage, wherein the pivot axis of the support crosses the guide element at a distance from the guide path, with which is ensured that the stirring apparatus shaft (6) comes to lie at a greater distance from the guide path, whereby the rotation axis of the stirring apparatus can be set practically vertical, which is favourable for the stirring action in the displaceable vessel.

Description

  • The invention relates to a stirring apparatus, which stirring apparatus comprises a standing guide element, a carriage slidable and fixable along the guide element, a stirring apparatus shaft support arranged for pivoting relative to the carriage.
  • Such a stirring apparatus of the type described in the preamble is mainly used for mixing or stirring a mass stored in an open vessel, which vessel is transportable to and away from the stirring apparatus. To this end it must be possible to retract the stirring apparatus easily from the vessel and the stirring apparatus must also be able to assume the optimum position in relation to the vessel, which requires a great freedom of movement of the stirring apparatus relative to the standing guide. The known stirring apparatuses have drawbacks in respect of this great freedom of movement, which also makes handling of the stirring apparatus difficult.
  • The invention has for its object to obviate the above stated drawbacks and provides for this purpose a stirring apparatus wherein the pivot axis of the support crosses the guide element at a distance from the guide path.
  • This ensures that the stirring apparatus shaft comes to lie at a greater distance from the guide path, whereby the rotation axis of the stirring apparatus can be set practically vertical, which is favourable for the stirring action in the displaceable vessel.
  • According to a further feature of the invention the carriage is provided with a bore for receiving a therein fitting sleeve with conically widening head end portion, wherein between the sleeve and the carriage a pulling member is arranged to enable immobilizing of the sleeve relative to the carriage. Thus is achieved that the fixing of the stirring apparatus shaft in relation to the guide can be sufficiently robust, so that vibrations and the like are avoided and rotation of the stirring apparatus is prevented during operation.
  • In this embodiment the stirring apparatus preferably intersects the pivot axis of the support, which also results automatically in a vertical position of the stirring apparatus shaft when the support is released.
  • Above mentioned and other features of the invention will be further elucidated in the figure description of an embodiment hereinbelow. In the drawing:
    • fig. 1 shows a perspective standing view of a stirring apparatus according to the invention applied with a vessel movable on wheels,
    • fig. 2 shows a perspective schematic view of the diverse pivot axes disposed according to the invention,
    • fig. 3 shows a horizontal cross section through the carriage applied in the stirring apparatus according to the invention.
  • Designated in the drawings with the numeral 1 is the vertical guide element, here in the form of a smooth pillar, which is provided with a foot 2 so that the guide can be placed as an independent unit on a shop floor. A carriage 3 is slidable up and downward and fixable along the vertical guide 1, which is further elucidated hereinbelow. The carriage is provided with a support 4 which is pivotable on an axis B relative to the carriage and which support 4 carries a flange 5 of an electric motor 8 for the stirring apparatus shaft 6. The stirring apparatus shaft 6 is the screw shaft of the stirring member, which member is shown here in the form of two blades 7. The stirring apparatus can of course have any other construction within the scope of the invention. The stirring shaft 6 is driven here for instance by the electric motor 8 supplied by a voltage source (not shown), which can however be replaced by any drive.
  • Such a device is suitable for mixing or stirring the contents of a vessel V, wherein the stirring apparatus shaft can assume any random spatial position depending on the position of the carriage 3 in relation to the guide 1, the angular position of stirring apparatus support 4 and the height of carriage 3 along the guide 1.
  • Fig. 2 shows schematically the position of the different axes. The dashed line A-A corresponds with the axis of the vertical guide 1, the dashed line B-B with the tilt axis B in fig. 1 and the dashed line C-C with the axis of the stirring apparatus shaft 6. According to a feature of the invention the axis B-B crosses the axis A-A at a distance D while the axis C-C intersects the axis B-B. Because the axis C-C comes to lie at a distance from axis A-A when this is situated in the vertical position, it is possible to place the stirring apparatus shaft 6 practically vertically in vessel V. Owing to the intersecting position of axes C-C and B-B the stirring apparatus shaft will always move into the vertical position when the support 4 is not fixed onto the carriage.
  • Fig. 3 shows a cross section of carriage 3 with the support 4 according to the invention arranged for rotation therein. This shown construction is extremely easy to operate and provides a great stability and robustness of the total device, certainly with respect to the vibrations occurring during stirring.
  • The components corresponding with those of fig. 1 are designated with the same reference numerals. As can be seen, carriage 3 is embodied with a continuous bore in which the vertical pillar 1 is received close-fittingly. Received in a threaded hole 10 is a lock screw 11, the end surface of which can be placed into contact with the outer periphery of pillar 1. The lock screw 11 can be operated by means of a hand-grip 12, by rotation of which the lock screw 11 can be moved a further or less far into the threaded hole 10 so that the end surface thereof can be placed in contact with pillar 1. In this manner the carriage 3 can be immobilized in relation to pillar 1 and, vice-versa, when lock screw 11 is loosened the carriage 3 can slide up and downward in vertical sense along pillar 1 and also be rotated on the axis, see also the axis A-A in fig. 2.
  • Carriage 3 is also embodied with a blind bore 13, the axis B-B of which lies perpendicularly of pillar 1. Received close-fittingly in the blind bore 13 is a sleeve 14, wherein it is noted that the bore widens at 15 at the left-hand end in fig. 3. The sleeve 14 is for the greater part cylindrical and is likewise embodied widening in conical form at the position of the widening 15. Sleeve 14 is close-fitting in the bore 13 such that when the sleeve 14 is pulled to the right in fig. 3 the outer periphery of the conical portion thereof comes into close contact with the inner surface of the widened portion of bore 13. Sleeve 14 can herewith be immobilized in relation to carriage 3. This is effected by means of a pulling element in the form of a screw bolt 16 which is placed centrally with the threaded end thereof in a threaded hole 17 of sleeve 14. The bolt 16 is embodied on the end remote from the sleeve 14 with a thickened cylindrical portion 18 onto which connects a hexagonal head with hand-grip. The thickened cylindrical portion 18 is carried through a cylindrical hole recessed centrally in the bottom of the blind bore 13 and coupled rotatably relative to the carriage 3 by means of washers 19. An axial movement of the bolt relative to the carriage 3 is hereby prevented.
  • By turning the hand-grip the screw bolt 16 can be turned further or less far into the threaded hole 17, whereby sleeve 14 can be pushed respectively to the right or to the left in the bore 13. The sleeve 14 can similarly be immobilized, as described above, by firmly tightening the bolt 16.
  • Sleeve 14 serves as connecting element for the screw shaft support 4, which can be formed in random manner and adapted to the form of screw shaft 6. The screw shaft support 4 is embodied with a threaded hole 19 which fits onto a threaded end part 20 of sleeve 14 which lies co-axially of bore hole 17. The fixing between support 4 and sleeve 14 is hereby effected.
  • The above described angular settings are possible simply by manipulating the hand-grip 12, respectively the hand-grip of the bolt 16.
  • As stated above, the carriage 3 is placed to height and in the correct angular position with the hand-grip 12, while by manipulating the bolt 16 the sleeve 14 can be released, the support 4 can be rotated relative to the carriage, so that the stirring apparatus shaft 6 can be placed in the correct spatial angular position. By tightening the hexagonal head of bolt 16 the device is immobilized.
  • The invention is not limited to the above described embodiment.

Claims (3)

  1. Stirring apparatus, which stirring apparatus comprises a standing guide element, a carriage slidable and fixable along the guide element, a stirring apparatus shaft support arranged for pivoting relative to the carriage, characterized in that the pivot axis of the support crosses the guide element at a distance from the guide path.
  2. Stirring apparatus as claimed in claim 1, characterized in that the carriage is provided with a bore for receiving a therein fitting sleeve with conically widening head end portion, and that between sleeve and carriage is arranged a pulling member.
  3. Stirring apparatus as claimed in claim 2, characterized in that the sleeve is provided with a screw bore and the pulling member is a screw co-acting therewith.
EP93201517A 1992-05-27 1993-05-26 Stirring apparatus Expired - Lifetime EP0572092B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9200940A NL9200940A (en) 1992-05-27 1992-05-27 AGENT.
NL9200940 1992-05-27

Publications (3)

Publication Number Publication Date
EP0572092A2 true EP0572092A2 (en) 1993-12-01
EP0572092A3 EP0572092A3 (en) 1994-02-09
EP0572092B1 EP0572092B1 (en) 1998-01-07

Family

ID=19860852

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93201517A Expired - Lifetime EP0572092B1 (en) 1992-05-27 1993-05-26 Stirring apparatus

Country Status (4)

Country Link
EP (1) EP0572092B1 (en)
DE (1) DE69316084T2 (en)
ES (1) ES2111125T3 (en)
NL (1) NL9200940A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000045642A1 (en) * 1999-02-02 2000-08-10 AB HäLLDE MASKINER Hand mixer
CN113289515A (en) * 2021-05-12 2021-08-24 南京医科大学附属口腔医院 Powder water stirrer

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106732160A (en) * 2017-01-25 2017-05-31 赛莱默水处理系统（沈阳）有限公司 A kind of attachment means of agitator

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB620520A (en) * 1946-11-07 1949-03-25 Arthur Phillips Dooley A drilling pillar attachment for electric hand drills, grinders and the like
US3722835A (en) * 1971-11-08 1973-03-27 W Knott Movably mounted mortar mixer
DE3216799A1 (en) * 1982-05-05 1983-11-10 Robert 5446 Engeln Wolff Working stand for drilling machines
DE9109306U1 (en) * 1991-07-27 1991-12-12 Schmitz, Heinrich, 4150 Krefeld, De

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB620520A (en) * 1946-11-07 1949-03-25 Arthur Phillips Dooley A drilling pillar attachment for electric hand drills, grinders and the like
US3722835A (en) * 1971-11-08 1973-03-27 W Knott Movably mounted mortar mixer
DE3216799A1 (en) * 1982-05-05 1983-11-10 Robert 5446 Engeln Wolff Working stand for drilling machines
DE9109306U1 (en) * 1991-07-27 1991-12-12 Schmitz, Heinrich, 4150 Krefeld, De

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ANALYTICAL CHEMISTRY 19 October 1950 , COLUMBUS , USA pages 39 - A MIXCO 'LIGHTNIN MIXERS' *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000045642A1 (en) * 1999-02-02 2000-08-10 AB HäLLDE MASKINER Hand mixer
CN113289515A (en) * 2021-05-12 2021-08-24 南京医科大学附属口腔医院 Powder water stirrer

Also Published As

Publication number Publication date
ES2111125T3 (en) 1998-03-01
DE69316084D1 (en) 1998-02-12
DE69316084T2 (en) 1998-04-23
NL9200940A (en) 1993-12-16
EP0572092B1 (en) 1998-01-07
EP0572092A3 (en) 1994-02-09

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