EP0968937A1 - Vorrichtung zum Handhaben von Material - Google Patents

Vorrichtung zum Handhaben von Material Download PDF

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Publication number
EP0968937A1
EP0968937A1 EP99305223A EP99305223A EP0968937A1 EP 0968937 A1 EP0968937 A1 EP 0968937A1 EP 99305223 A EP99305223 A EP 99305223A EP 99305223 A EP99305223 A EP 99305223A EP 0968937 A1 EP0968937 A1 EP 0968937A1
Authority
EP
European Patent Office
Prior art keywords
material handling
handling apparatus
container
shroud
outlet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP99305223A
Other languages
English (en)
French (fr)
Inventor
Edward Piepereit
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.)
Matcon R&D Ltd
Original Assignee
Matcon R&D Ltd
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 Matcon R&D Ltd filed Critical Matcon R&D Ltd
Publication of EP0968937A1 publication Critical patent/EP0968937A1/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/54—Gates or closures
    • B65D90/62—Gates or closures having closure members movable out of the plane of the opening
    • B65D90/626—Gates or closures having closure members movable out of the plane of the opening having a linear motion

Definitions

  • the invention relates to material handling apparatus, particularly to such apparatus for handling flowable materials such as powders, pellets, tablets and the like (hereinafter 'powders').
  • powders should usually, for environmental reasons, be isolated within the apparatus to protect the ambient atmosphere in general and operators in particular. This is particularly so where the powders are pharmaceutical powders, powders used in the food industry or powders used in the nuclear industry.
  • Apparatus used in handling such powders often has seals to prevent contamination through an outlet, but other parts of the apparatus are often unprotected.
  • material handling apparatus comprising a container for material, an outlet therefrom, a device for obturating and opening the outlet, actuating means for raising and lowering the device for obturating and opening the outlet, and a member for sealing the actuating means from the interior of the container.
  • the sealing member may comprise a shroud member. This is a relatively simple yet effective construction, particularly where the shroud member may extend between a body of the apparatus and the device.
  • the shroud member may comprise a collapsible tubular member.
  • This construction is again relatively simple, and may comprise a tapered member, which suitably may taper from the body to the said device. This provides for selective collapse of the shroud member during operation of the apparatus.
  • the shroud member may comprise a bellows-like, member. This is a particularly advantageous construction.
  • the convoluted construction provides that the material of the shroud does not fold or crease in an uncontrolled manner, so obviating the trapping of flowable material.
  • the shroud may be connected with associated parts of the apparatus at such an angle that the wash means may have good access for a positive washing action.
  • the angle may be equal to or greater than 90°.
  • the actuating means may comprise a piston and cylinder arrangement. This provides for a positive obturating and opening of the outlet, particularly when a pneumatic piston and cylinder arrangement may be used.
  • the apparatus 1 shown has a container 2 for material such as a flowable powder (not shown) and an outlet 3 therefrom, a device 4 for obturating and opening the outlet 3, actuating means 5 for raising and lowering the device 4 for obturating and opening the outlet 3, and a member 6 for sealing the actuating means 5 from the interior of the container.
  • a container 2 for material such as a flowable powder (not shown) and an outlet 3 therefrom
  • actuating means 5 for raising and lowering the device 4 for obturating and opening the outlet 3
  • a member 6 for sealing the actuating means 5 from the interior of the container.
  • the member 6 is a shroud having a bellows-like or convoluted tapered form 7 made of a soft flexible material such as a plastic and is washed in place by wash means such as water wash medium which is directed into the interior of the container 2 and towards the shroud 6 by a system which includes a combined wash nozzle and non return valve (not shown).
  • wash means such as water wash medium which is directed into the interior of the container 2 and towards the shroud 6 by a system which includes a combined wash nozzle and non return valve (not shown).
  • the convolutions 7 of the shroud obviate folding or creasing of the shroud 6 in an uncontrolled manner, which in turn provides that material in the container 2 such as a pharmaceutical powder is not trapped in folds or creases formed uncontrollably, which means that the shroud 6 can collapse and extend as the actuating means 5 is raised and lowered and the wash media can be directed to a smooth, ribbed and grooved surface 7 on which there are no hidden pockets in which powder is lodged or entrapped .
  • the shroud 6 is secured to a body 10 of the apparatus 1 at the top, as viewed, and at the bottom, as viewed, to the device at such an angle that good access is provided as shown at X, Y, Z to the wash media, again with no entrapment or lodging of powder.
  • the angle is in the embodiment 90° or greater to the vertical as provided by clamping components 8, 9 securing the shroud 6 respectively at top and bottom, which assists in providing no entrapment or lodging of powder and ease of washing.
  • the container 2 is part of a containment transfer system 100 in which the powder is contained without contamination of the environment, the powder being fed to the container through a hopper 12.
  • the top (as viewed) of the container 2 is sealed by a planar closure 13 which is part of the body 10 and supports the actuating means 5, which is in the form of a pneumatic (in the embodiment) piston and cylinder arrangement, the cylinder 14 being externally positioned with respect to the interior of the container 2, and the piston 15 extending down to and being connected with the obturating and opening device 4 comprising an internal cap or cone 16 and a suction cup 17 for connection with an inlet closure of say an I.B.C. for transferring powder through the outlet 3 when the piston 15 raises the cone 16 and suction cup 17 which latter raises the inlet closure (not shown) of the I.B.C. on actuation of a vacuum.
  • the actuating means 5 which is in the form of a pneumatic (in the embodiment) piston and cylinder arrangement
  • the cylinder 14 being
  • purging means in the form of an array of wash nozzles 18 to inject jets of washing liquid such as water to flush the internal surfaces of the container 2.
  • the member 6 in the form of a shroud which is a tube which encloses the piston 15 and extends from the closure 8, to which it is clamped, and the device 4 to which it is also clamped.
  • the shroud 6 tapers downwardly (as viewed) to the device 4 and is of convoluted, bellows-like construction so that it readily collapses and extends to accommodate retraction and extension of the piston 15 during transfer operations.
  • the shroud 6 can be made of any suitable material, for example a rubber material or plastic material, and may be reinforced as for example by metal or plastic reinforcements such as wire 11 in the folds.
  • the shroud 6 thus seals the piston 15 against contact with the powder and during washing is itself washed whilst at the same time again protecting the piston 15 against contact with the washing water and powder entrained therein.
  • the convolutions and the way of securing the shroud 6 at the body and device 4 also ensure no lodging of powder and ease of washing, as in Figs. 1 and 2.
  • the apparatus 1 includes an external lifting cylinder 19 for raising and lowering the container, there being air lines 20 for the respective cylinders. There may also be means to purge the container with an inert substance, for example nitrogen. There is also a vent connection 21 with a blanking cap or cover which is in place when purging is not taking place.
  • apparatus 1 embodying the invention and described herein with reference to the drawings provides a fully hygienic, and washable, apparatus for transferring powder from one site to another at a transfer station.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
EP99305223A 1998-07-02 1999-07-01 Vorrichtung zum Handhaben von Material Withdrawn EP0968937A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9814385 1998-07-02
GBGB9814385.2A GB9814385D0 (en) 1998-07-02 1998-07-02 Mechanical handling apparatus

Publications (1)

Publication Number Publication Date
EP0968937A1 true EP0968937A1 (de) 2000-01-05

Family

ID=10834857

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99305223A Withdrawn EP0968937A1 (de) 1998-07-02 1999-07-01 Vorrichtung zum Handhaben von Material

Country Status (2)

Country Link
EP (1) EP0968937A1 (de)
GB (1) GB9814385D0 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2112103A1 (de) 2008-04-22 2009-10-28 AZO Holding GmbH Verfahren und Vorrichtung zur kontaminationsfreien Überführung von fließfähigem Schüttgut

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1246553B (de) * 1961-09-21 1967-08-03 Grenobloise Etude Appl Ventilvorrichtung zum OEffnen und Schliessen einer zylinderfoermigen OEffnung am Boden eines Gutbehaelters
DE4404315A1 (de) * 1993-03-04 1994-09-08 Wurth Paul Sa Vorrichtung zum Beschicken einer unter Druck stehenden Umhüllung
GB2295384A (en) * 1994-11-23 1996-05-29 Atomic Energy Authority Uk Dispensing valve
WO1996031422A1 (en) * 1995-04-03 1996-10-10 Matcon Limited Material handling apparatus
DE29700392U1 (de) * 1997-01-13 1997-03-06 Ingenieurbüro Spangenberg GmbH, 84489 Burghausen Bodenablaßventil für Behälter

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1246553B (de) * 1961-09-21 1967-08-03 Grenobloise Etude Appl Ventilvorrichtung zum OEffnen und Schliessen einer zylinderfoermigen OEffnung am Boden eines Gutbehaelters
DE4404315A1 (de) * 1993-03-04 1994-09-08 Wurth Paul Sa Vorrichtung zum Beschicken einer unter Druck stehenden Umhüllung
GB2295384A (en) * 1994-11-23 1996-05-29 Atomic Energy Authority Uk Dispensing valve
WO1996031422A1 (en) * 1995-04-03 1996-10-10 Matcon Limited Material handling apparatus
DE29700392U1 (de) * 1997-01-13 1997-03-06 Ingenieurbüro Spangenberg GmbH, 84489 Burghausen Bodenablaßventil für Behälter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2112103A1 (de) 2008-04-22 2009-10-28 AZO Holding GmbH Verfahren und Vorrichtung zur kontaminationsfreien Überführung von fließfähigem Schüttgut
DE102008020218B3 (de) * 2008-04-22 2009-11-19 Azo Holding Gmbh Verfahren und Vorrichtung zur Überführung von fließfähigem Schüttgut

Also Published As

Publication number Publication date
GB9814385D0 (en) 1998-09-02

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