EP0968937A1 - Appareil de manutention de matériaux - Google Patents
Appareil de manutention de matériaux Download PDFInfo
- 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- Withdrawn
Links
Images
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)
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 (fr) | 2000-01-05 |
Family
ID=10834857
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99305223A Withdrawn EP0968937A1 (fr) | 1998-07-02 | 1999-07-01 | Appareil de manutention de matériaux |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0968937A1 (fr) |
GB (1) | GB9814385D0 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2112103A1 (fr) | 2008-04-22 | 2009-10-28 | AZO Holding GmbH | Procédé et dispositif de transfert sans contamination de marchandises au détail pouvant s'écouler |
Citations (5)
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 (fr) * | 1995-04-03 | 1996-10-10 | Matcon Limited | Appareil de manipulation de materiau |
DE29700392U1 (de) * | 1997-01-13 | 1997-03-06 | Ingbuero Spangenberg Gmbh | Bodenablaßventil für Behälter |
-
1998
- 1998-07-02 GB GBGB9814385.2A patent/GB9814385D0/en not_active Ceased
-
1999
- 1999-07-01 EP EP99305223A patent/EP0968937A1/fr not_active Withdrawn
Patent Citations (5)
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 (fr) * | 1995-04-03 | 1996-10-10 | Matcon Limited | Appareil de manipulation de materiau |
DE29700392U1 (de) * | 1997-01-13 | 1997-03-06 | Ingbuero Spangenberg Gmbh | Bodenablaßventil für Behälter |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2112103A1 (fr) | 2008-04-22 | 2009-10-28 | AZO Holding GmbH | Procédé et dispositif de transfert sans contamination de marchandises au détail pouvant s'écouler |
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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17P | Request for examination filed |
Effective date: 20000623 |
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AKX | Designation fees paid |
Free format text: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 20020201 |