EP1720777B1 - Sac perfore realise selon le procede simultane formage/remplissage/scellage - Google Patents

Sac perfore realise selon le procede simultane formage/remplissage/scellage Download PDF

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Publication number
EP1720777B1
EP1720777B1 EP04797855A EP04797855A EP1720777B1 EP 1720777 B1 EP1720777 B1 EP 1720777B1 EP 04797855 A EP04797855 A EP 04797855A EP 04797855 A EP04797855 A EP 04797855A EP 1720777 B1 EP1720777 B1 EP 1720777B1
Authority
EP
European Patent Office
Prior art keywords
bag
perforation
tear
satchel
type
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.)
Not-in-force
Application number
EP04797855A
Other languages
German (de)
English (en)
Other versions
EP1720777A1 (fr
Inventor
Konrad Tetenborg
Hans-Ludwig Voss
Hans Renken
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.)
Windmoeller and Hoelscher KG
Original Assignee
Windmoeller and Hoelscher KG
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 Windmoeller and Hoelscher KG filed Critical Windmoeller and Hoelscher KG
Publication of EP1720777A1 publication Critical patent/EP1720777A1/fr
Application granted granted Critical
Publication of EP1720777B1 publication Critical patent/EP1720777B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/01—Ventilation or drainage of bags
    • 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
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/18—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for making package-opening or unpacking elements
    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5805—Opening or contents-removing devices added or incorporated during package manufacture for tearing a side strip parallel and next to the edge, e.g. by means of a line of weakness
    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5816—Opening or contents-removing devices added or incorporated during package manufacture for tearing a corner or other small portion next to the edge, e.g. a U-shaped portion

Definitions

  • the invention relates to a gusseted bag according to the preamble of claim 1, a method for producing and filling such a side gusset bag and a corresponding FFS machine.
  • the generic filling of bags is done with a variety of devices. Often, the bag to be filled during the filling process is detected by a plurality of pairs of gripper tongs.
  • FFS Form Fill and Seal
  • Such a device is among others from the DE 199 36 660 A1 or from the US 5,634,572 known.
  • a hose section made of thermoplastic material provided with a bottom weld seam is filled with filling material in a filling station.
  • vents which are usually in a large part of the Sack outer surface are introduced. These openings are designed so that their diameter is not more than one mm, in order to avoid trickling of contents. For particularly fine products, so-called micro perforations have now been developed, which have vent holes with diameters smaller than 0.2 mm.
  • tear perforation is understood to mean a perforation from incisions or punches. In general, these cuts or stampings are longer or larger than the vent holes described. Thus, cutting lengths of 2 to 10 mm have proven successful. However, incision lengths of 4 to 7 mm are preferred.
  • a tear perforation serves to simplify the tearing open of the bag cover. A tearing of the bag cover in the sense of this document may also be accompanied by the tearing of parts of the bag shell, such as parts of the bottom or top seam.
  • the film tubes, from which the relevant FFS machine forms the bags perforated by a non-FFS machine perforation before the hoses rewound and this hose reel Fed to FFS machine.
  • the present invention starts from the described gusseted sacks produced and filled by the FFS method and solves this problem by changing the severity of the tear perforation in the region of the at least one corner so that the perforation in the space between the edge of the sack and the corner weld is different is the perforation between the corner weld and the centerline of the bag.
  • the measure according to the invention Due to the measure according to the invention, no filling material can trickle through the perforation cuts which are arranged between the sack edge and the corner weld.
  • the measure according to the invention is suitable - as can be deduced from claim 1 - in the same way for flat bags.
  • FIG. 2 shows a gusseted bag 201 according to the prior art, in which the gussets are indicated by the dashed lines 203.
  • a bottom seam 205 closes at the bottom end 210 and at the head end 211 a top seam 204 the ends of the bag.
  • the sack has a tear perforation with perforation cuts 207.
  • FIG. 1 an already very advanced example of a bag 200 according to the invention, which is provided with Eckabsch spatician 206.
  • the tear-off perforation breaks down into a tear-off perforation with longer perforation cuts 207 and a break-off perforation with shorter perforation cuts 208.
  • the longer perforations 207 are located in the region between the edge of the bag 209 and the corner weld 206, while the shorter cuts 208 in the area between the center line M of the bag 200 and the corner weld 206 of the corner, which is subjected to the Abr composedperforation are located.
  • the bag 200 is upside down with respect to the bag 201, that is, the foot end of the bag 210 is at the top of the bag FIG. 1 with the head end at the bottom.
  • the tear-off perforation 207, 208 is in the region of the foot end of this bag, which brings advantages in the filling process to be described yet.
  • FIG. 3 once again shows the foot section 210 of the already in FIG. 1 illustrated bag 200 with the already described properties.
  • FIG. 4 shows a bag 212 of the prior art, as it is known from the 5,060,803.
  • This sack comprises as a Aufrich Huawein Eckabsch spatician 206.
  • the bag 212 has only a notch or a notch 213 on.
  • passages (labyrinth ventilation) 229 can be introduced for better venting of the bag. It is expedient if these passages 229 pass no filler.
  • tear-off perforation of the in FIG. 5 illustrated bag 214 designed. Similar to the tear-off perforation of the sack 200, it is composed of a tear-away perforation 207 with long cuts and a perforation 208 with shorter cuts. However, this Abr facedperforation is further provided with a perforation 215, which is the tearing of a Part of the weld 208, which closes the foot end 210 of the bag 214 allowed. In this way, the tearing of this part is facilitated.
  • FIG. 6 A last embodiment of a bag 217 according to the invention is shown in FIG FIG. 6 shown. Similar to the embodiment with the bag 200, there is a perforation with long perforation cuts 207 in the area between the edge 209 of the bag 217 and the corner weld 206. However, this applies to both corners of the in FIG. 6 illustrated foot portion 210 of the bag shown. Between the two Eckabsch spa aus 206 of the bag 217 is another perforation 216, which is formed by shorter Perforationseinten.
  • FIGS. 7 and 8th components of an FFS machine are displayed.
  • the location of these components can inter alia from the figures of the German application 102 17 397.4 be removed.
  • the machine components shown are a separating cutting and welding station 230 and a needle station 240.
  • the components normally provided for the needling and venting of the bag are used for perforation.
  • the severing and welding station 230 is in an FFS machine at the front of the processing cycle.
  • the film tube 219 is unwound from a development and fed via feed rollers 218 in the separating cut and welding station.
  • the perforation station 220 consists in detail of the holder of the knife carrier 221, on which the knife carrier 223, which is movable in the x direction, is articulated.
  • the knife carrier 223 carries the knife 228 and the squeeze rubber 224.
  • the knife carrier 223 If the knife carrier 223 is moved in the x direction, the knife 228 moves through the wiper 226 or through a recess of the wiper 226, which is not shown, through into the Knife receiving channel 227, the counter position of the knife 225.
  • the counter position of the knife 225 is formed by a traverse.
  • the separating station 230 follows on the first perforation station 220, which again consists of the holder of the knife carrier 231, the knife carrier 233, the knife 226, the sealing strip 234, the counter-position 235, the knife receiving channel 236 and the knife 238.
  • the incision movement of the blade 238 is analogous to the incision movement at the first perforation station 220, which also based FIG.
  • FIG. 8 For example, the first perforation station 220, the severing section and welding station 230 and the second possible needle station 240 are shown in the state where they cut into the film web and sever or perforate the film tube web.
  • the already mentioned second needle station 240 is constructed analogously to the first perforation station 220.
  • the numbering of the functional elements 241-248 of the second needle station 240 is analogous to the numbering of the functional elements 221-228 of the first perforation station 220.
  • the first or the second perforation station can be used for needling, while the respective other station perforated.
  • FIG. 9 the section 250 of a film tube is shown in which the separating cut 256 is introduced, thus dividing two sacks.
  • the bag that arises later is of the same type as that in FIGS. 1 and 3 shown bag 200.
  • the foot 210 of this bag can be seen.
  • the foot end of the bag is provided with a transverse weld 258, which forms the bottom.
  • Pun 251 are shown, which indicate by way of example that the bag can also be needled.
  • FIG. 9 Also Eckabsch spazier 206 according to the invention are in FIG. 9 shown. It should be noted, however, that the illustrated bag section in this form does not necessarily have to be present in this form during the manufacture of the bag. Rather, it may be, for example, that the Eckabsch spazier 206 and the bottom seams 205 can be added to the bag 200 before its separation of the film tube 219. The meaning of FIG. 9 is therefore primarily in the illustration of the location of the various features of the bag 200.
  • FIG. 10 shows a perforation tool 259, which consists of the Perforationsmessern 253 and 252, which are mounted on the knife carrier 254. These perforation blades cut into the tube section 250.
  • the four-ply film material 257 is located in the region of the side folds, while the two-ply material 260 is to be found in the middle region of the bag.
  • arrows z and y illustrate the respective position of the sack components.
  • z again corresponds, as in the other figures, to the transport direction of the film tube, while y extends in the direction of the width of the film tube or sacks. In the direction y, the two are aligned FIGS.
  • FIG. 10 further illustrates that the knives 253 cut further into the tube section 250 than the knives 252, so that the different lengths of the perforation cuts 207 to the perforation cuts 208 come about.
  • the knives 253 and 252 are usually clamped.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Making Paper Articles (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)

Abstract

L'invention concerne un sac à soufflet ou un sac plat (200,201,212,214,217) qui est produit et rempli par une machine de formage/remplissage/scellage et qui présente, au moins dans la zone d'au moins un coin du sac, des perforations de déchirement (207,208,216). L'invention est caractérisée en ce que le sac présente une soudure d'angle (206) dans la zone du ou des coins.

Claims (9)

  1. Sac pliable latéralement ou sac plat (200, 214, 217),
    - qui est a été fabriqué et rempli par une machine FFS (de formage, remplissage, scellage) et
    - qui présente, au moins dans la région d'au moins l'un des coins du sac, une perforation à déchirer (207, 208, 216),
    - le sac présentant, dans la région de l'au moins un coin, une soudure de séparation de coin (206),
    - la perforation à déchirer (207, 208, 216) s'étendant jusque dans la région entre la soudure de séparation de coin et l'axe médian (M) du sac (200),
    caractérisé en ce que
    le marquage de la perforation à déchirer (207, 208, 216) dans la région de l'au moins un coin varie de telle sorte que la perforation (207) dans l'espace intermédiaire entre le bord (209) du sac (200, 214, 217) et la soudure de séparation de coin (206) soit réalisée différemment de la perforation (208) entre la soudure de séparation de coin (206) et l'axe médian (M) du sac (200).
  2. Sac pliable latéralement ou sac plat selon la revendication 1,
    caractérisé en ce que
    la longueur ou le pourtour des entailles de perforation (207) dans l'espace intermédiaire entre le bord du sac (200) et la soudure de séparation de coin (206) est plus grand(e) que la longueur des entailles de perforation (208) entre la soudure de séparation de coin (206) et l'axe médian (M) du sac (200, 214, 217).
  3. Sac pliable latéralement ou sac plat selon l'une quelconque des revendications précédentes,
    caractérisé en ce
    qu'au moins les entailles de perforation (208) entre la soudure de séparation de coin (206) et l'axe médian (M) du sac (200, 214, 217) présentent une longueur ou un pourtour qui est plus petit(e) que le pourtour des grains du produit de remplissage du sac (200, 214, 217).
  4. Sac pliable latéralement ou sac plat selon l'une quelconque des revendications précédentes,
    caractérisé en ce
    qu'au moins les entailles de perforation (208) entre la soudure de séparation de coin (206) et l'axe médian (M) du sac (200, 214, 217) présentent une longueur ou un pourtour qui est plus petit(e) que le diamètre des grains du produit de remplissage du sac (200).
  5. Sac pliable latéralement ou sac plat selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    la soudure de séparation de coin (206) présente des orifices (229).
  6. Sac pliable latéralement ou sac plat selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    les deux coins de la tête (211) et/ou du fond (210) sont munis de régions de coin selon l'une quelconque des revendications précédentes.
  7. Sac pliable latéralement ou sac plat selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    les entailles de perforation (207, 208, 216) sont disposées sur une ligne au moins dans la région d'un coin.
  8. Procédé de fabrication et de remplissage d'un sac pliable latéralement à l'aide d'une machine FFS,
    - dans lequel le sac (200, 214, 217) est pourvu d'une soudure de séparation de coin (206) et
    - dans lequel le sac pliable latéralement (200, 214, 217) est pourvu d'une perforation à déchirer qui s'étend jusque dans la région entre la soudure de séparation de coin et l'axe médian (M) du sac (200),
    caractérisé en ce que
    - la perforation à déchirer (207, 208, 216) est pratiquée pendant le traitement dans la machine FFS, et
    - la perforation (207) dans l'espace intermédiaire entre le bord (209) du sac (200, 214, 217) et la soudure de séparation de coin (206) est dans ce cas configurée différemment de la perforation (208) entre la soudure de séparation de coin (206) et l'axe médian (M) du sac (200).
  9. Machine FFS pour la fabrication et le remplissage de sacs pliables latéralement ou de sacs plats (200, 214, 217), laquelle comprend des moyens pour réaliser une perforation à déchirer (220, 240) avec lesquels des constituants des sacs pliables latéralement (200, 214, 217) peuvent être pourvus d'une perforation à déchirer (220, 240), pendant qu'ils passent à travers la machine FFS,
    caractérisée en ce que
    des moyens pour réaliser la perforation à déchirer (220, 240) sont prévus, avec lesquels les sacs (200, 214, 217) peuvent être pourvus d'entailles de perforation (207, 208, 216) dont la longueur ou le pourtour varie sur la largeur des sacs (200, 214, 217),
    les moyens pour réaliser la perforation à déchirer (220, 240) comprenant plusieurs couteaux de perforation (252, 253) qui sont montés sur un porte-couteaux (254) de telle sorte que certains couteaux (253) entament davantage les constituants des sacs (200) que d'autres couteaux (252), afin de faire varier la longueur des entailles de perforation (207).
EP04797855A 2003-11-12 2004-11-11 Sac perfore realise selon le procede simultane formage/remplissage/scellage Not-in-force EP1720777B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10353095A DE10353095A1 (de) 2003-11-12 2003-11-12 Perforierter FFS-Sack
PCT/EP2004/012847 WO2005047136A1 (fr) 2003-11-12 2004-11-11 Sac perfore realise selon le procede simultane formage/remplissage/scellage

Publications (2)

Publication Number Publication Date
EP1720777A1 EP1720777A1 (fr) 2006-11-15
EP1720777B1 true EP1720777B1 (fr) 2012-05-30

Family

ID=34585065

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04797855A Not-in-force EP1720777B1 (fr) 2003-11-12 2004-11-11 Sac perfore realise selon le procede simultane formage/remplissage/scellage

Country Status (5)

Country Link
EP (1) EP1720777B1 (fr)
JP (1) JP4891085B2 (fr)
DE (1) DE10353095A1 (fr)
ES (1) ES2385889T3 (fr)
WO (1) WO2005047136A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106144072A (zh) * 2016-08-08 2016-11-23 林佳 同步式包装插折角封切机构

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005110869A1 (fr) * 2004-05-17 2005-11-24 Sealed Air (New Zealand) Amelioration apportee a des emballages et procedes d'emballage
JP5260084B2 (ja) * 2008-02-28 2013-08-14 凸版印刷株式会社 フィルム裂けを防止した角底袋

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0243750A2 (fr) * 1986-04-23 1987-11-04 WindmÀ¶ller & Hölscher Sac fabriqué en matière thermoplastique
US5702339A (en) * 1995-03-22 1997-12-30 Bonar Packaging, Inc. Method for making a heavy duty bag having an easy opening spout
US5934048A (en) * 1997-04-29 1999-08-10 Cryovac, Inc. Seal assembly for easy open pouch

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DE1586766A1 (de) * 1967-12-21 1970-05-21 Kalle Ag Beutelverpackung
DK335678A (da) * 1978-07-27 1980-01-29 Gram Ole As Plastpose samt apparat til fremstilling heraf
IT1139455B (it) * 1981-09-21 1986-09-24 Montedison Spa Processo per la preparazione di acidi alfa-arilpropionici e loro sali alcalini
JPS5865242U (ja) * 1981-10-27 1983-05-02 大日本印刷株式会社 米袋
IT1203342B (it) * 1987-02-23 1989-02-15 A W A X Srl Procedimento ed apparecchio per impacchettare automaticamente articoli diversi in sacchetti di plastica a misura di cliente fabbricati sul posto in una cassa di supermercato
US5060803A (en) 1991-01-17 1991-10-29 Beer Jeffrey S Gussetted flexible package with tear notch to form pour spout
US5632416A (en) * 1993-01-29 1997-05-27 W. A. Lane, Inc. Collapsible dispenser pouch
DE4445729A1 (de) 1994-12-21 1996-06-27 Rovema Gmbh Beutel mit einer flexiblen Produktausgabeöffnung und Verfahren zur Erzeugung des Beutels
US5558438A (en) * 1995-07-10 1996-09-24 Rex-Rosenlew International Incorporated Bag with reenforced handle and resealable pour spout opening
US5671589A (en) * 1996-02-28 1997-09-30 Riverwood International Corporation Tape perforating head assembly and method
JPH1170619A (ja) * 1997-08-29 1999-03-16 Dainippon Printing Co Ltd 米穀類用包装袋
CH692980A5 (de) * 1999-01-21 2003-01-15 Alcan Tech & Man Ag Verpackung.
DE29902908U1 (de) * 1999-02-19 1999-04-29 August Toepfer & Co Gmbh & Co Beutelverpackung
US6244747B1 (en) * 1999-09-30 2001-06-12 Cryovac, Inc. Contoured pouch with pourable spout, and apparatus and process for producing same
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Publication number Priority date Publication date Assignee Title
EP0243750A2 (fr) * 1986-04-23 1987-11-04 WindmÀ¶ller & Hölscher Sac fabriqué en matière thermoplastique
US5702339A (en) * 1995-03-22 1997-12-30 Bonar Packaging, Inc. Method for making a heavy duty bag having an easy opening spout
US5934048A (en) * 1997-04-29 1999-08-10 Cryovac, Inc. Seal assembly for easy open pouch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106144072A (zh) * 2016-08-08 2016-11-23 林佳 同步式包装插折角封切机构

Also Published As

Publication number Publication date
JP2007528824A (ja) 2007-10-18
DE10353095A1 (de) 2005-06-30
EP1720777A1 (fr) 2006-11-15
WO2005047136A1 (fr) 2005-05-26
JP4891085B2 (ja) 2012-03-07
ES2385889T3 (es) 2012-08-02

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