EP0922640B1 - Système comprenant un dispositif pour décharger le contenu d'un sac - Google Patents

Système comprenant un dispositif pour décharger le contenu d'un sac Download PDF

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Publication number
EP0922640B1
EP0922640B1 EP19970121761 EP97121761A EP0922640B1 EP 0922640 B1 EP0922640 B1 EP 0922640B1 EP 19970121761 EP19970121761 EP 19970121761 EP 97121761 A EP97121761 A EP 97121761A EP 0922640 B1 EP0922640 B1 EP 0922640B1
Authority
EP
European Patent Office
Prior art keywords
bag
contents
suction nozzle
sealing tape
film
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.)
Expired - Lifetime
Application number
EP19970121761
Other languages
German (de)
English (en)
Other versions
EP0922640A1 (fr
Inventor
Isao Toshima
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.)
Hoseki Planning KK
Sanwa Automatic Machinery Co Ltd
Original Assignee
Hoseki Planning KK
Sanwa Automatic Machinery Co 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 Hoseki Planning KK, Sanwa Automatic Machinery Co Ltd filed Critical Hoseki Planning KK
Priority to EP19970121761 priority Critical patent/EP0922640B1/fr
Priority to DE69714266T priority patent/DE69714266D1/de
Publication of EP0922640A1 publication Critical patent/EP0922640A1/fr
Application granted granted Critical
Publication of EP0922640B1 publication Critical patent/EP0922640B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06—Details or accessories
    • B67D7/58—Arrangements of pumps
    • B67D7/62—Arrangements of pumps power operated
    • B67D7/66—Arrangements of pumps power operated of rotary type
    • 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
    • B65B69/00—Unpacking of articles or materials, not otherwise provided for
    • 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
    • B65B69/00—Unpacking of articles or materials, not otherwise provided for
    • B65B69/0075—Emptying systems for flexible intermediate bulk containers [FIBC]

Definitions

  • the present invention relates to a device for discharging almost all fluid from a sealed bag for fluid having a volume as large as 5 to 20 liters or more, particularly a bag in which high-viscosity fluid is sealed, reducing adhesion of the fluid to a wall of the bag as greatly as possible.
  • drum cans have previously been used.
  • the drum cans have the problems that high cost is required for treatment after use, and that empty cans themselves are voluminous to cause them to occupy wide space during storage.
  • the cardboard box can be folded after use and stored in a compact form, and is also recyclable.
  • the plastic bag can be easily discarded, for example, burned, because of its non-voluminousness.
  • the contents charged into the plastic bag is difficult to be taken out of the bag because of lack of the self-sustaining of the bag itself, even if the bag is housed in the cardboard box.
  • DE 42 20 651 A1 discloses a system comprising a device for discharging the contents of a bag comprising a pneumatic feeding device and a suction nozzle which are provided on a frame which is movable up and down and a bag the contents of which are to be discharged.
  • the bag is a rigid bag.
  • FR 1 579 379 discloses a device for discharging a high viscosity liquid from a rigid vessel.
  • the device has a suction nozzle dipping into the liquid which is driven by a pump.
  • DE 295 15 675 U1 discloses a system comprising a device for discharging the contents of a plastic bag comprising a pump with a suction nozzle for sucking the contents, a discharge outlet provided at an upper portion of said suction nozzle and a suspending member for supporting a plastic bag filled with a bulk material, said suspending member being installed on a stand.
  • the plastic bag is provided within a rigid box and cannot stand by itself.
  • a suction nozzle 2 extends downward from a motor 1, and a discharge outlet 3 is formed between the motor 1 and the suction nozzle 2, as shown in Figs. 1 and 2.
  • the numeral 4 denotes a rotor mounted on a tip of the suction nozzle 2.
  • the suction pump is attached to a stand 5 movable up and down.
  • the numeral 6 denotes a pedestal supporting a stay base 7.
  • a movable stay portion 8 extends from an upper end of the stay base 7. That is, a lower portion of the movable stay portion 8 is housed in the stay base 7.
  • the numeral 9 denotes an adjusting handle for adjusting the height of the movable stay portion 8 and fixing it suitably.
  • a horizontal rod 10 to which a base of the motor 1 is fixed extends horizontally from an upper end of the movable stay portion 8. Accordingly, the stay base 7, the movable stay portion 8 and the horizontal rod 10 have strong structure resisting the weight of the motor 1.
  • the numeral 11 denotes a fastener for connecting the horizontal rod 10 to a lower portion of the motor 1.
  • the whole pump moves up and down by an up-and-down movement of the movable stay portion 8.
  • a suspending member 13 for supporting a bag 12 in a standing state is installed on the stand 5.
  • a suspending rod extending upward from the horizontal rod 10, the movable stay portion 8, the pedestal 6 or the stay base 7 can be used.
  • the suspending member 13 a mere hook or ring can be used, as long as it can fix one end of a pulling member such as a rope or a chain.
  • a suspending member which can adjust the length of the pulling member is more preferably used.
  • a fastener for supporting an upper portion of the bag 12 is attached to one end of the pulling member.
  • the upper portion of the bag 12 may only be bound with one end of a string hung on the suspending member, or may be bound with a string through holes formed thereon.
  • a rope 14 is hung on the suspending member 13, as the pulling member, and a clip 15 for supporting the upper portion of the bag 12 is attached to one end of the rope 14.
  • the suspending member 13 is in the form of a bobbin winder, thereby making it possible to adjust the length of the rope 14 or fix it.
  • a length adjusting implement may be attached to an intermediate portion of the rope 14.
  • the suspending member one comprising a center axis rotatably fixed to a disk and a stopper for fixing the pulling member at its required length may be used.
  • many hooks which can be hooked with each other may be intermittently attached to an intermediate portion of the rope 14, and any two hooks are hooked with each other to adjust the length of the rope 14.
  • the plastic bag according to the present invention is a gusset type bag.
  • the gusset type bag having a nearly rectangular parallelepiped shape in the state in which the bag is filled with the contents is preferred.
  • so called “inner to inner” welding in which inner surfaces of both edges of the film are welded by fusion to each other
  • so called “outer to outer” welding in which an outer surface of one edge of the film is welded to an inner surface of the other edge thereof
  • tape welding in which both edges of the film are allowed to come close to each other, and welded with a fusible tape over both edges is used as vertical fusing methods. Two or more vertical fused areas are allowed.
  • the suction nozzle of the pump is inserted into the bag from the upper portion thereof, so that the bag is preferably opened as wide as necessary at the upper portion.
  • the bag is a gusset bag vertically welded with a tape as shown in Fig. 3.
  • a film having heat fusible layers on both sides is used. Both edges of the film are allowed to come close to each other, and a sealing tape is fused on both of the edges with a contact surface thereof faced inward.
  • the bag is difficult to be ruptured even if the adhesive strength is low. That is, the inner pressure of the filled bag is simply applied to the whole bag from the inside thereof. Accordingly, this pressure only presses the film and the sealing tape in the same direction, and does not act as the stress for peeling both edges of the film adhered to each other. Only the force acting in a direction to peel the film from the sealing tape, namely, only the force pulling the film and the sealing tape in directions opposite to each other, acts as the stress which ruptures the bag.
  • the filled bag welded with the tape is opened by stripping the sealing tape from the upper portion thereof. Accordingly, the contents can be discharged while keeping the shape of the bag by partly stripping the tape by a length sufficient to insert the suction nozzle 2 into the bag at the upper portion thereof. With an decrease in the contents, the bag gets out of shape from the upper portion thereof, resulting in easy handling of the nozzle 2.
  • the sealing tape can be returned to the opened site to stick it thereon, thereby sealing the bag again.
  • an adhesive which can be stripped and adhered again is used on a fusing surface of the tape.
  • Such sealing tapes commercial products such as T. A. F. 540C (trade name, easily cut film manufactured by Tosero Co., Ltd.) can be used. Edges of the film for the bag to be vertically welded by fusion may be turned outward, and outer surfaces of the edges turned outward may be coated with an adhesive which can be adhered again. In this case, the turned portions of the bag can be adhered to each other, allowing them to face to each other.
  • the suction pump having the suction nozzle and the rotor directly mounted on the tip thereof is supported integrally with the stand which moves the pump up and down, and the suspending member for suspending the large-volume plastic bag filled with the contents by pinching the upper end thereof is installed on this stand.
  • the suspending member for suspending the large-volume plastic bag filled with the contents by pinching the upper end thereof is installed on this stand.
  • the plastic bag filled with the contents is first placed on a determined place, and the upper portion of the bag is opened.
  • the tip of the suction nozzle is inserted into the contents through the opening of the bag by an up-and-down movement of the pump having the suction nozzle, and the contents are discharged while keeping the bag in the standing state by pulling up the upper end of the bag with the suspending member.
  • the contents When the contents are contained in large amounts, they can be sufficiently sucked even by shallow insertion of the suction nozzle. However, when the contents are decreased, the position of the pump, namely the position of the suction nozzle, is lowered. The contents adhered to the inside of the bag are gradually collected downward by the weight of the contents themselves and slippage caused by the smoothness of a raw material of the bag, and little left on the inside of the bag.
  • the upper end of the bag is further pulled up with the suspending member so that one corner of the bottom of the bag forms the lowermost end, and a tip of the suction nozzle is brought into contact with said lowermost end thereby permitting substantially all of the contents to be easily discharged by suction as shown in Fig 2.
  • the pump in which the rotor is mounted on the tip of the suction nozzle has high suction force, and can suck even fluid having a viscosity as high as 30,000 cps to discharge it.
  • the fluid used in the present invention includes low-viscosity liquid of 50 cps or less such as water to semi solid fluid such as mayonnaise, and also includes liquid having a viscosity of 30,000 cps or more, as long as it can be sucked with the pump used in the present invention.
  • the present invention is particularly effective in the large-volume plastic bags.
  • the large-volume plastic bag means a plastic bag having a volume of at least about 5 liters to 20 liters or more.
  • such large-volume bags are housed in cardboard boxes for preventing damages in the course of distribution.
  • the suction pump used in the present invention is a pump in which the rotor is mounted on the tip of the suction nozzle.
  • the pump of such a type is high in suction efficiency and suitable for suction and discharge of high-viscosity fluid, because the rotor for suction exists at a site where it comes into direct contact with fluid to be sucked.
  • a VIDER (mdp) pump (trade name, manufactured by Miura Co., Ltd.) is preferably used.
  • a pump was attached to the stand 5 movable up and down shown in Figs, 1 and 2.
  • the motor 1 was placed on an upper portion of the horizontal rod 10, and fixed with the fastener 11.
  • This pump comprises the suction nozzle 2 extending downward from the motor 1, the discharge outlet 3 formed between the motor 1 and the suction nozzle 2, and the rotor mounted on the tip of the suction nozzle 2.
  • a leg portion of the stand 5 comprises the stay base 7 and the movable stay portion 8, and the lower portion of the movable stay portion 8 is housed in the stay base 7 by operation of the adjusting handle 9.
  • the rotor 4 is therefore moved up and down with an up-and-down change in the length of an exposed portion of the movable stay portion 8.
  • the position of the rotor 4 is elevated to the position shown by the two-dot chain line.
  • the rotor 4 is preferably placed in the position shown by the two-dot chain line or in a higher position than that.
  • the numeral 13 is the suspending member fitted to a lower portion of the horizontal rod 10.
  • the rope 14 having the clip 15 fixed to one end thereof was hung thereon, and a device was provided which can pull out the rope 14 to any length and fix it.
  • the bag 12 placed on the pedestal 6 is kept in the standing state with the contents filled, and in the state of Fig. 2, the residual contents are collected in one portion of the bottom of the bag, the rotor 4 is inserted into this portion, and substantially all of the contents left in the bag are sucked to discharge them from the discharge outlet 3.
  • a bag filled with 10 liters of ketchup was used in this example.
  • a film for the bag a three-layer laminated film of LLDPE#20-30//ON#15//LLDPE#80 was used, wherein LLDPE is an abbreviation of linear low-density polyethylene, ON is an abbreviation of oriented nylon, and the numerals shown after # as the suffixes indicate thicknesses of the films in ⁇ m.
  • a 800-mm wide film was used, and 80-mm gusset folds were formed on both edges as shown in Fig. 5.
  • Designated by broken lines 16 are gusset fold lines.
  • the width of the bag was 240 mm, and therefore, a 80-mm non-gusset fold area 17 having no gusset fold was left in a center portion.
  • a vertical fused area was formed in a center portion of one non-gusset fold area 17.
  • both edges of the film were allowed to come close each other, and a sealing tape 18 having a special sealant layer was welded thereon by fusion.
  • T. A. F. 610C#25 manufactured by Tosero Co. Ltd., CMPS 017C#50 manufactured by Tosero Co. Ltd. and VMX XR 22FT#30 manufactured by Mitsubishi Chemical Corporation can be used.
  • A. F. 610C#25 was used, wherein KPET is an abbreviation of a polyvinylidene chloride-coated polyester, and the numerals shown after # as the suffixes indicate thicknesses of the films in ⁇ m.
  • a is an upper seal portion of an upper end of the film, and its width was 30 mm.
  • An upper end of the center portion was left non-fused as shown in Fig. 6, and the sealing tape 18 and both sides of the film for the bag were each maintained in a free state.
  • the sealing tape 18 at this site is used as a tongue for peeling off the tape when the bag is opened.
  • f is a lower seal portion having a width of 20 mm.
  • 80 mm of a bottom portion e is used for formation of a bottom of the bag.
  • Filling the bag with the contents forms a rectangular bag having a size of 240 mm X 160 mm.
  • a site filled with the contents is indicated by d, and has a length of 260 to 270 mm.
  • c is an upper cover portion for covering an upper portion of the contents, and has a length of about 80 mm.
  • b is an flat portion at which both sides of the film including gusset folds are maintained in an adhered state, and has a length of 120 to 130 mm. Accordingly, the overall length of the bag itself was about 600 mm.
  • the shape of the bag shown in Fig. 3 was formed.
  • Example 1 A stand similar to that used in Example 1, the same film and sealing tape as with Example 1, and a bag filled with 20 liters of mayonnaise were used.
  • 100-mm gusset folds were formed on both edges, and the width of the bag was 300 mm. Accordingly, a 100-mm wide non-gusset fold area 17 was left in a center portion.
  • b was 150 mm
  • c was 100 mm
  • d was 330 to 340 mm
  • e was 100 mm.
  • mayonnaise could be discharged by suction to the last without rupture of the bag.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)

Claims (9)

  1. Système comprenant un dispositif pour décharger le contenu d'un sac (12) en matière plastique, comprenant une pompe ayant une buse (2) d'aspiration pour aspirer le contenu, un rotor (4) monté sur une extrémité de ladite buse d'aspiration (2), un moteur (1) pour entraíner ledit rotor (4) monté sur l'extrémité supérieure de ladite buse d'aspiration (2), et une sortie de décharge (3) prévue à une partie supérieure de ladite buse d'aspiration (2), ledit moteur (1) étant supporté avec un support (5) mobile vers le haut et vers le bas, et un organe de suspension (13) pour supporter le sac en matière plastique (12) rempli de fluide dans un état debout, ledit organe de suspension (13) étant installé sur ledit support (5), dans lequel le sac en matière plastique est un sac à gousset ayant au moins une zone verticale fondue dans laquelle les deux parties de bord d'un film constituant le sac sont fondues avec une bande de scellement de l'extérieur, de façon à pouvoir être ouvert en tirant une extrémité de ladite bande de scellement.
  2. Système selon la revendication 1, dans lequel ledit organe de suspension est un organe qui peut dérouler, enrouler et fixer une corde, et dans lequel une pince pour pincer une ouverture du sac est fixée à une extrémité de la corde.
  3. Système selon la revendication 1 ou 2, dans lequel ledit support comprend une base de support s'étendant vers le haut à partir d'un piédestal, une partie de support mobile s'étendant depuis l'extrémité supérieure de ladite base de support, et une tige horizontale fixée horizontalement à une extrémité supérieure de ladite partie de support mobile, la buse d'aspiration et l'organe de suspension sont montés sur ladite tige horizontale, et le moteur pour entraíner le rotor est monté sur l'extrémité supérieure de la buse d'aspiration par l'intermédiaire de ladite tige horizontale.
  4. Système selon l'une des revendications 1 à 3, dans lequel ladite bande de scellement présente une résistance à la séparation de 100 g/15 mm à 1500 g/15 mm.
  5. Système selon l'une des revendications 1 à 4, dans lequel ladite bande de scellement présente une résistance de séparation de 200 g/15 mm à 1000 g/15 mm.
  6. Système selon la revendication 4, dans lequel ladite bande de scellement présente un pouvoir collant même après séparation.
  7. Système selon l'une des revendications 4 à 6, dans lequel la largeur fondue du film et de la bande de scellement est de 1,5 mm à 5 mm.
  8. Système selon la revendication 7, dans lequel la largeur fondue du film et de la bande de scellernent est de 2 mm à 4 mm.
  9. Système selon l'une des revendications 1 à 8, dans lequel la zone verticale fondue est formée sur un emplacement non recouvrant avec un pli de gousset, sur au moins une face du sac en matière plastique.
EP19970121761 1997-12-10 1997-12-10 Système comprenant un dispositif pour décharger le contenu d'un sac Expired - Lifetime EP0922640B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP19970121761 EP0922640B1 (fr) 1997-12-10 1997-12-10 Système comprenant un dispositif pour décharger le contenu d'un sac
DE69714266T DE69714266D1 (de) 1997-12-10 1997-12-10 System mit einer Vorrichtung zum Entleeren des Inhalts eines Kunststoffsackes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19970121761 EP0922640B1 (fr) 1997-12-10 1997-12-10 Système comprenant un dispositif pour décharger le contenu d'un sac

Publications (2)

Publication Number Publication Date
EP0922640A1 EP0922640A1 (fr) 1999-06-16
EP0922640B1 true EP0922640B1 (fr) 2002-07-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP19970121761 Expired - Lifetime EP0922640B1 (fr) 1997-12-10 1997-12-10 Système comprenant un dispositif pour décharger le contenu d'un sac

Country Status (2)

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EP (1) EP0922640B1 (fr)
DE (1) DE69714266D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9126705B2 (en) 2010-12-01 2015-09-08 Kellogg Company Transportable container for bulk goods and method for forming the same

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6979166B2 (en) 2003-05-15 2005-12-27 Kellogg Company Vacuum wand assembly for extracting a product from a container
GB2445558A (en) * 2007-01-10 2008-07-16 Jagdish Pal Singh Bulk bag with side outlet
MX2010013138A (es) 2008-06-05 2010-12-20 Kellog Co Base transportadora unitaria y conformador y formador de estructura deslizante para formar un contenedor transportable.
ES2400553B1 (es) * 2011-04-01 2014-03-18 Seppelec, S.L. Maquinaria para el vaciado de bidones de forma automática e higiénica
CN102642680A (zh) * 2012-04-27 2012-08-22 常州商隆产业用纺织品有限公司 上下合身内膜袋
CN102642679A (zh) * 2012-04-27 2012-08-22 常州商隆产业用纺织品有限公司 外袋可拆分的集装袋
JP6935934B2 (ja) * 2019-03-13 2021-09-15 株式会社ナカキン 液状物吸引装置及びその方法
JP7354596B2 (ja) * 2019-06-07 2023-10-03 東洋製罐株式会社 パウチ中間体およびパウチ充填方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3606095A (en) * 1967-09-07 1971-09-20 Hermann Kronseder Feeder for high viscosity liquids
DE3021089A1 (de) * 1980-06-04 1981-12-10 Bernhard 7076 Waldstetten Ringler Absaugvorrichtung zum absaugen von beispielsweise flocken- und/oder schnitzelfoermigen verpackungsfuellstoffen
EP0080469A1 (fr) * 1981-06-04 1983-06-08 Quinvan Nominees Pty. Ltd. Amelioration a l'emballage et a la distribution de liquides
DE8528561U1 (de) * 1985-10-08 1985-12-12 Bennigsen-Mackiewicz, Andreas Von, Dipl.-Rer.Pol. Vorrichtung zum Entleeren von Behältern
DE4220651A1 (de) * 1992-06-15 1993-12-16 Intec Maschinenbau Gmbh Big-Bag-Abfüll- und Dosieranlage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9126705B2 (en) 2010-12-01 2015-09-08 Kellogg Company Transportable container for bulk goods and method for forming the same

Also Published As

Publication number Publication date
EP0922640A1 (fr) 1999-06-16
DE69714266D1 (de) 2002-08-29

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