EP1292496A2 - Verfahren und vorrichtung zum füllen eines beutels mit pulverförmigen oder körnigen material - Google Patents

Verfahren und vorrichtung zum füllen eines beutels mit pulverförmigen oder körnigen material

Info

Publication number: EP1292496A2
Authority: EP; European Patent Office
Prior art keywords: bag; chamber; base; mouth; series
Prior art date: 2000-05-17
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

EP01929852A

Other languages

English (en)

French (fr)

Other versions

EP1292496B1 (de

EP1292496B2 (de

Inventor

Timoth John Michael Hegarty

Richard Hugh Baldry

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.)

BLUE BAG (INNOVATION) LIMITED

Original Assignee

GRT 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.)

2000-05-17

Filing date

2001-05-17

Publication date

2003-03-19

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26244279&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1292496(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

2000-05-17 Priority claimed from GB0011730A external-priority patent/GB0011730D0/en

2001-05-17 Application filed by GRT Ltd filed Critical GRT Ltd

2003-03-19 Publication of EP1292496A2 publication Critical patent/EP1292496A2/de

2007-05-02 Publication of EP1292496B1 publication Critical patent/EP1292496B1/de

2009-11-11 Application granted granted Critical

2009-11-11 Publication of EP1292496B2 publication Critical patent/EP1292496B2/de

2021-05-17 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B1/20—Reducing volume of filled material
- B65B1/26—Reducing volume of filled material by pneumatic means, e.g. suction

Definitions

the present invention relates to a process for filling a bag with a measured quantity of powdered or granular material , for example powdered cement .
the packing density of the powdered material within a filled bag is typically very low, which has a number of disadvantages. Firstly, the loosely packed material within the bag will make the bag difficult to manipulate. Secondly, when the bag is opened, for example by hitting the bag with the blade of a shovel, a large amount of the powdered material may be dispersed into the surrounding atmosphere, thereby giving rise to a potential health hazard. Thirdly, a loosely packed bag, if sealed, will be more likely to burst when subjected to external pressure, for example when the bag is stored in a stack.
a process for filling a bag with a powdered or granular material wherein a measured quantity of said material is subjected to a vacuum to compact the material prior to its being dispensed into the bag.
the material is compacted within a chamber and is dispensed by positioning the chamber within the bag, such that the base of the chamber extends substantially to the base of the bag, and then releasing the compacted material from the base of the chamber whilst simultaneously separating the base of the chamber from the base of the bag.
the compacted material will thus remain relatively undisturbed as it is dispensed and therefore will maintain its high packing density.
the top of the chamber is pressurised to encourage the release of the compacted material into the bag.
the chamber may be positioned within the bag by lowering the chamber into bag and/or by raising bag to envelop the chamber .
the base of the chamber may be separated from the base of the bag by raising the chamber and/or by lowering bag.
the volume of air within the bag may be further reduced by inserting a suction device into the material contained in the bag, via the mouth of the bag, and applying suction via the suction device.
the volume of air within the bag may also or otherwise be further reduced by forming a partial seal across the mouth of the bag and then compressing the bag and/or subjecting the bag to a vaccuum, to expel air from the interior of the bag through its partially sealed mouth.
the partial seal is formed by series of joins extending across the mouth of the bag.
the mouth of the bag may then be fully sealed or, where the partial seal is formed by a series of joins extending across the mouth of the bag, a second series of joins may be formed in parallel with the first series of joins.
the joins of the first and second series are preferably staggered to form a series of convoluted passages across the mouth of the bag.
the volume of air within the bag may be further reduced by fully sealing the mouth of the bag, forming a small puncture hole in the side of the bag and then compressing the bag and/or subjecting the bag to a vaccuum, to expel air from the interior of the bag through the puncture hole .
the puncture hole is preferably closed, for example by a weld or by applying an adhesive patch to the bag to cover the hole.
the fully sealed bag Prior to forming the small puncture hole, the fully sealed bag may be vibrated and/or compressed to cause air within the bag to collect adjacent the point at which the puncture hole is to be formed.
a process for filling a bag with powdered or granular material wherein a measured quantity of said material is compacted within a chamber and is dispensed by positioning the chamber within the bag, such that the base of the chamber extends substantially to the base of the bag, and then releasing the compacted material from the base of the chamber whilst simultaneously separating the base of the chamber from the base of the bag.
the material may be compacted by compressing the material or, more preferably, by evacuating the chamber.
a process for reducing the volume of air within a bag filled with a measured quantity of powdered or granular material comprising the steps of forming a partial seal across the mouth of the bag and then compressing the bag and/or subjecting the bag to a vaccuum, to expel air from its interior through the partially sealed mouth.
the partial seal is formed by series of joins extending across the mouth of the bag.
the mouth of the bag may be fully sealed or, where the partial seal is formed by a series of joins extending across the mouth of the bag, a second series of joins may be formed in parallel with the first series of joins.
the joins of the first and second series are preferably staggered to form a series of convoluted passages across the mouth of the bag.
At least two series of joins are formed in parallel across the mouth of the bag, with the joins of adjacent series being staggered to form a series of convoluted passages across the mouth of the bag.
a process for reducing the volume of air within a bag filled with a measured quantity of powdered or granular material comprising the steps of fully sealing the mouth of the bag, forming a small puncture hole in the side of the bag and then compressing the bag and/or subjecting the bag to a vaccuum, to expel air from the interior of the bag through the puncture hole.
the puncture hole is preferably closed, for example by a weld or by applying an adhesive patch to the bag to cover the hole.
the fully sealed bag may be vibrated and/or compressed to cause air within the bag to collect adjacent the point at which the puncture hole is to be formed.
a process for reducing the volume of air within a bag filled with a measured quantity of powdered or granular material comprising inserting a suction device into the material contained in the bag, via the mouth of the bag, and applying suction via the suction device.
the compacted material is then released from the base of the conditioning chamber 8 into a plastics bag 10 which is positioned such that it envelops the conditioning chamber, with the base of the chamber extending substantially to the base of the bag.
the plastics bag 10 is gradually lowered away from the conditioning chamber 8, thereby minimising any disturbance which might loosen the compacted material.
a pressure differential is preferably established by re-introducing air into the top of the chamber .
the filled bag is then transported to a possing station where the mouth of the bag is held open as its contents are subjected to a low frequency jog, for example by repeatedly raising and dropping the bag or by subjecting the bag to a series of blows .
the filled bag may pass through a series of possing stations according to the rate at which filled bags are delivered from the conditioning chamber and the level of de- aeration required.
a suction device (not shown) is then inserted into the material contained in the bag, via the mouth of the bag, and suction applied via the suction device to further compact the material.
the apparatus is preferably arranged such that, between successive suction operations, air is blown through the suction device to dislodge any residual material therefrom, which might otherwise reduce the suction capability of the device.
the bag is then partially sealed by forming a series of welds 12 across its mouth and then compressed between a pair of opposed plates 14 to expel excess air from its interior through the partially sealed mouth.
a pair of opposed rollers 16 run across the top of the bag 10 as it is compressed to expel any remaining air from the ullage region of the bag. Excess air may also or otherwise be expelled from the interior of the partially sealed bag by subjecting the bag to a vaccuum, for example by placing the partially sealed bag in a vaccuum chamber which is then evacuated.
a second series of welds 18 is finally formed across the top of the bag 10, in parallel with the first series of welds 12, with the two series of welds being staggered to provide a series of convoluted channels which allow further air to escape from the bag, for example if the bag is compressed within a stack, but which also inhibit the release of the powdered or granular material from, or the ingress of moisture into, the bag.
the mouth of the bag is fully sealed and the bag transported on its side along a vibrating conveyor belt, causing any remaining air to accumulate against the upper surface of the bag.
the fully sealed bag may also or otherwise be compressed, before the uppermost side of the bag is punctured and the bag compressed and/or subjected to a vaccuum, e.g. within a vaccuum chamber, to expel the accumulated air.
a vaccuum e.g. within a vaccuum chamber
the puncture hole is sealed by a weld or by applying an adhesive patch over the hole.

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Basic Packing Technique (AREA)
Vacuum Packaging (AREA)
Supplying Of Containers To The Packaging Station (AREA)

EP01929852A 2000-05-17 2001-05-17 Verfahren und vorrichtung zum füllen eines beutels mit pulverförmigem oder körnigem material Expired - Lifetime EP1292496B2 (de)

Applications Claiming Priority (5)

Application Number	Priority Date	Filing Date	Title
GB0011730A GB0011730D0 (en)	2000-05-17	2000-05-17	Bag filling process
GB0011730		2000-05-17
GB0023384A GB0023384D0 (en)	2000-05-17	2000-09-25	Bag filling process
GB0023384		2000-09-25
PCT/GB2001/002188 WO2001087715A2 (en)	2000-05-17	2001-05-17	Process and apparatus for filling a bag with powdered or granular material

Publications (3)

Publication Number	Publication Date
EP1292496A2 true EP1292496A2 (de)	2003-03-19
EP1292496B1 EP1292496B1 (de)	2007-05-02
EP1292496B2 EP1292496B2 (de)	2009-11-11

Family

ID=26244279

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP01929852A Expired - Lifetime EP1292496B2 (de)	2000-05-17	2001-05-17	Verfahren und vorrichtung zum füllen eines beutels mit pulverförmigem oder körnigem material

Country Status (7)

Country	Link
EP (1)	EP1292496B2 (de)
AT (1)	ATE361234T1 (de)
AU (1)	AU2001256532A1 (de)
DE (1)	DE60128222T2 (de)
DK (1)	DK1292496T3 (de)
ES (1)	ES2286121T3 (de)
WO (1)	WO2001087715A2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP1312547A1 (de) *	2001-11-16	2003-05-21	Arodo BVBA	Vorrichtung und Verfahren zum Verpacken eines fliessfähigen Feststoffes
NL1022560C2 (nl)	2003-02-03	2004-08-04	Arodo Bvba	Inrichting en werkwijze voor het verpakken van een stroombaar vast materiaal.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1511619A1 (de) *	1966-05-17	1969-08-07	Hoefliger & Karg	Verfahren zum Herstellen prallvoller Beutelpackungen
GB1353697A (en) †	1972-01-18	1974-05-22	Mckenzie Brown Ltd	Handling bags
GB1433871A (en) †	1972-05-03	1976-04-28	Mckenzie Brown Ltd	Handling bags
CH569620A5 (en) †	1973-06-27	1975-11-28	Electrotechnic & Chemical Engi	Removing air from and compacting powdered materials - reduces packaging requirements, volume, cost of handling time
DE4107495A1 (de) *	1991-02-21	1992-08-27	Icoma Packtechnik Gmbh	Verfahren und vorrichtung zum befuellen von verpackungen
DE4419914A1 (de) †	1994-06-08	1996-01-11	Librawerk Maschf Gmbh	Verfahren zum Abfüllen von Schüttgut in Säcke

2001
- 2001-05-17 EP EP01929852A patent/EP1292496B2/de not_active Expired - Lifetime
- 2001-05-17 ES ES01929852T patent/ES2286121T3/es not_active Expired - Lifetime
- 2001-05-17 DE DE60128222T patent/DE60128222T2/de not_active Expired - Lifetime
- 2001-05-17 AT AT01929852T patent/ATE361234T1/de not_active IP Right Cessation
- 2001-05-17 AU AU2001256532A patent/AU2001256532A1/en not_active Abandoned
- 2001-05-17 DK DK01929852T patent/DK1292496T3/da active
- 2001-05-17 WO PCT/GB2001/002188 patent/WO2001087715A2/en not_active Ceased

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0187715A3 *

Also Published As

Publication number	Publication date
WO2001087715A2 (en)	2001-11-22
EP1292496B1 (de)	2007-05-02
DE60128222T2 (de)	2008-01-10
EP1292496B2 (de)	2009-11-11
ATE361234T1 (de)	2007-05-15
WO2001087715A3 (en)	2002-04-04
AU2001256532A1 (en)	2001-11-26
ES2286121T3 (es)	2007-12-01
DK1292496T3 (da)	2007-09-03
DE60128222D1 (de)	2007-06-14

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US4084390A (en)	1978-04-18	Apparatus for packaging bulk material
EP0645576B1 (de)	1997-03-05	Verfahren zum Füllen und Komprimieren von isolierendem Pulver in Wände eines Schrankkörpers
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EP3147224B1 (de)	2018-08-22	Vorrichtung zum verpacken von tabakmaterial in behältern und verfahren zum verpacken von tabakmaterial in einem behälter
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