US20080232721A1 - Tubular Bag and Method For Filling It - Google Patents

Tubular Bag and Method For Filling It Download PDF

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Publication number
US20080232721A1
US20080232721A1 US12/064,007 US6400706A US2008232721A1 US 20080232721 A1 US20080232721 A1 US 20080232721A1 US 6400706 A US6400706 A US 6400706A US 2008232721 A1 US2008232721 A1 US 2008232721A1
Authority
US
United States
Prior art keywords
pouch
filling
top sealing
spout
sealing seam
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.)
Abandoned
Application number
US12/064,007
Inventor
Andreas Michalsky
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.)
Huhtamaki Ronsberg Zweigniederlassung der Huhtamaki Deutschland GmbH and Co KG
Original Assignee
Huhtamaki Ronsberg Zweigniederlassung der Huhtamaki Deutschland GmbH and Co 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 Huhtamaki Ronsberg Zweigniederlassung der Huhtamaki Deutschland GmbH and Co KG filed Critical Huhtamaki Ronsberg Zweigniederlassung der Huhtamaki Deutschland GmbH and Co KG
Publication of US20080232721A1 publication Critical patent/US20080232721A1/en
Assigned to HUHTAMAKI RONSBERG ZWEIGNIEDERLASSUNG DER HUHTAMAKI DEUTSCHLAND GMBH & CO. KG reassignment HUHTAMAKI RONSBERG ZWEIGNIEDERLASSUNG DER HUHTAMAKI DEUTSCHLAND GMBH & CO. KG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MICHALSKY, ANDREAS
Abandoned 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
    • 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
    • B65D75/5861—Spouts
    • B65D75/5872—Non-integral spouts
    • B65D75/5883—Non-integral spouts connected to the package at the sealed junction of two package walls
    • 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
    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/18—Controlling escape of air from containers or receptacles during filling
    • 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
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/14—Applying or generating heat or pressure or combinations thereof by reciprocating or oscillating members
    • B65B51/146—Closing bags
    • 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
    • B65D75/008—Standing pouches, i.e. "Standbeutel"
    • 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
    • B65D2205/00—Venting means
    • 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
    • B65D2575/00—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
    • B65D2575/52—Details
    • B65D2575/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D2575/583—Opening or contents-removing devices added or incorporated during package manufacture the non-integral spout having an elongate cross-sectional shape, e.g. canoe or boat shaped

Definitions

  • the present invention relates to a tubular pouch, especially a stand-up pouch, having a pourer or spout sealed-in in the region of a top sealing seam and optionally having a base, especially a stand-up base, and to a method of filling such a tubular pouch.
  • Tubular pouches of this kind are generally known, for example from DE 202 12 251 U1, which originates from the applicant. They are used for holding liquid, paste-form, powdered or other pourable products. Filling such tubular pouches through the spout or an opening formed therein is problematic, because the air in the interior of the pouch also has to escape through that opening. This can have the result that, along with the air flowing out of the pouch to the outside, introduced pouch contents are also carried to the outside. The result is undesirable contamination of the filling plants and also variations in filling weight.
  • the filling speed suffers quite considerably therefrom, since the above-mentioned problems can essentially only be solved by carrying out the filling operation relatively slowly, it being necessary additionally to provide at least one air-outlet opening in the filling head with the result that the filling cross-section becomes correspondingly smaller.
  • the present invention is therefore based on the problem of providing a tubular pouch and a method of filling same, with which all the above-mentioned problems can be avoided.
  • a key aspect of the present invention is therefore that the top sealing seam is initially subjected to “partial sealing” such that at at least one location between the spout and the outer edge of the top sealing seam there is arranged an unsealed location, so that, when the pouch is being filled, air can escape from the pouch to the outside through that unsealed location. It is therefore no longer necessary for the air in the interior of the pouch, when the pouch is being filled, to escape to the outside through the spout or through the filling opening, with all the afore-mentioned disadvantages.
  • the top seam has at least one unsealed location on each side of the spout, so that a large amount of air from the interior of the pouch can escape to the outside in an extremely short time, with the result that the filling speed is increased accordingly.
  • the at least one unsealed location of the top sealing seam is sealed and thus fluid-tightly closed, this being referred to as so-called “residual sealing”.
  • FIG. 1 shows a tubular pouch only partially sealed in the region of the top sealing seam, with a diagrammatic representation of its being filled;
  • FIG. 2 shows the tubular pouch after filling and residual sealing.
  • the tubular pouch 10 shown in FIG. 1 is in the form of a stand-up pouch having a stand-up base 11 and a pourer or spout 13 sealed-in in the region of a top sealing seam 12 .
  • the top sealing seam 12 is only partially sealed on both sides of the spout 13 , that is to say it has an unsealed location 14 , 15 on each side, so that, when the pouch 10 is being filled, air can escape from the pouch 10 to the outside through those unsealed locations 14 , 15 . That flow of air is indicated by reference numeral 16 in FIG. 1 .
  • filling the tubular pouch 10 is indicated by the arrow 17 in FIG. 1 .
  • both the partial sealing and the residual sealing are preferably carried out as ultrasound sealing.
  • the appropriate technical means for that operation are generally available, so that for that reason too the method according to the invention is advantageously suitable for use and, moreover, also on conventional filling plants.
  • the size, i.e. the length, of the unsealed locations 14 , 15 and the associated openings in the container for the escape of air from the interior of the container during filling of the container depends, of course, upon the nature of the product, especially the viscosity thereof, with which the pouch 10 is to be filled.

Abstract

Tubular pouch (10) having a spout (13) sealed-in in the region of a top sealing seam (12) and having a stand-up base (11). The top sealing seam (12) is unsealed at at least one location (14, 15) between the spout (13) and the outer edge (partial sealing), so that, when the pouch (10) is being filled, air can escape from the pouch (10) to the outside (arrow 16) through that unsealed location (14, 15).

Description

  • The present invention relates to a tubular pouch, especially a stand-up pouch, having a pourer or spout sealed-in in the region of a top sealing seam and optionally having a base, especially a stand-up base, and to a method of filling such a tubular pouch.
  • Tubular pouches of this kind are generally known, for example from DE 202 12 251 U1, which originates from the applicant. They are used for holding liquid, paste-form, powdered or other pourable products. Filling such tubular pouches through the spout or an opening formed therein is problematic, because the air in the interior of the pouch also has to escape through that opening. This can have the result that, along with the air flowing out of the pouch to the outside, introduced pouch contents are also carried to the outside. The result is undesirable contamination of the filling plants and also variations in filling weight. Furthermore, the filling speed suffers quite considerably therefrom, since the above-mentioned problems can essentially only be solved by carrying out the filling operation relatively slowly, it being necessary additionally to provide at least one air-outlet opening in the filling head with the result that the filling cross-section becomes correspondingly smaller.
  • The present invention is therefore based on the problem of providing a tubular pouch and a method of filling same, with which all the above-mentioned problems can be avoided. In particular, it should be possible to effect clean and rapid filling of tubular pouches of the kind under consideration herein.
  • That problem is solved in respect of a tubular pouch by the characterizing features of claim 1 and in respect of the method by the characterizing features of claim 3, with claim 2 relating to a preferred tubular pouch construction.
  • A key aspect of the present invention is therefore that the top sealing seam is initially subjected to “partial sealing” such that at at least one location between the spout and the outer edge of the top sealing seam there is arranged an unsealed location, so that, when the pouch is being filled, air can escape from the pouch to the outside through that unsealed location. It is therefore no longer necessary for the air in the interior of the pouch, when the pouch is being filled, to escape to the outside through the spout or through the filling opening, with all the afore-mentioned disadvantages.
  • Preferably, the top seam has at least one unsealed location on each side of the spout, so that a large amount of air from the interior of the pouch can escape to the outside in an extremely short time, with the result that the filling speed is increased accordingly.
  • After the pouch has been filled with liquid, paste-form or pourable contents through the spout, the at least one unsealed location of the top sealing seam is sealed and thus fluid-tightly closed, this being referred to as so-called “residual sealing”.
  • An exemplary embodiment of a tubular pouch according to the invention and the method of filling same is described in greater detail below with reference to the accompanying drawings.
  • FIG. 1 shows a tubular pouch only partially sealed in the region of the top sealing seam, with a diagrammatic representation of its being filled; and
  • FIG. 2 shows the tubular pouch after filling and residual sealing.
    •
  • The tubular pouch 10 shown in FIG. 1 is in the form of a stand-up pouch having a stand-up base 11 and a pourer or spout 13 sealed-in in the region of a top sealing seam 12. The top sealing seam 12 is only partially sealed on both sides of the spout 13, that is to say it has an unsealed location 14, 15 on each side, so that, when the pouch 10 is being filled, air can escape from the pouch 10 to the outside through those unsealed locations 14, 15. That flow of air is indicated by reference numeral 16 in FIG. 1. Furthermore, filling the tubular pouch 10 is indicated by the arrow 17 in FIG. 1.
  • After the tubular pouch 10 has been filled in the way described with reference to FIG. 1, the so-called residual sealing is carried out, by means of which the unsealed locations 14, 15 of the top sealing seam 12 are sealed and thus fluid-tightly closed. That residual sealing is indicated in FIG. 2 by reference numeral 18.
  • In addition to what has been said above it should also be mentioned that both the partial sealing and the residual sealing are preferably carried out as ultrasound sealing. The appropriate technical means for that operation are generally available, so that for that reason too the method according to the invention is advantageously suitable for use and, moreover, also on conventional filling plants.
  • The size, i.e. the length, of the unsealed locations 14, 15 and the associated openings in the container for the escape of air from the interior of the container during filling of the container depends, of course, upon the nature of the product, especially the viscosity thereof, with which the pouch 10 is to be filled.
  • Finally, it should be pointed out in connection with the prior art that it has already been proposed to evacuate the interior of a container to be filled. However, that technique is not suitable for use, or is at least not advantageous, in the case of tubular pouches of the kind under consideration herein. For that reason too, the described invention is advantageous in comparison with the prior art.
  • All the features disclosed in the application documents are claimed as being important to the invention insofar as they are novel over the prior art either alone or in combination.
    • REFERENCE NUMERALS
  • 10 tubular pouch
  • 11 stand-up base
  • 12 top sealing seam
  • 13 spout
  • 14 unsealed location of the top sealing seam
  • 15 unsealed location of the top sealing seam
  • 16 flow of air
  • 17 filling flow
  • 18 residual sealing

Claims (4)

1. A stand-up or other tubular pouch, said pouch having an outer edge, a top sealing seam and a pourer or spout sealed-in in the region of said top sealing seam, wherein at least one unsealed location is provided in said top sealing seam between said spout and said outer edge to allow air to escape from said pouch to the outside through said at least one unsealed location when said pouch is being filled.
2. A tubular pouch according to claim 1, further including a stand-up or other base.
3. A tubular pouch according to claim 1, wherein said top sealing seam has at least one unsealed location on each side of said spout.
4. A method of filling a tubular pouch according to claim 1, comprising the steps of filling said pouch with liquid, paste-form or pourable pouch contents through said spout or an opening formed therein, and allowing air in the interior of the pouch to escape to the outside through said at least one unsealed location in said top sealing seam during filling, and, after said pouch has been filled, sealing said at least one unsealed location of the top sealing seam to provide fluid-tight closure.
US12/064,007 2005-08-23 2006-06-28 Tubular Bag and Method For Filling It Abandoned US20080232721A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102005039853.7 2005-08-23
DE102005039853A DE102005039853A1 (en) 2005-08-23 2005-08-23 Tubular bag and method for filling the same
PCT/EP2006/006274 WO2007022825A1 (en) 2005-08-23 2006-06-28 Tubular bag and method for filling it

Publications (1)

Publication Number Publication Date
US20080232721A1 true US20080232721A1 (en) 2008-09-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
US12/064,007 Abandoned US20080232721A1 (en) 2005-08-23 2006-06-28 Tubular Bag and Method For Filling It

Country Status (8)

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US (1) US20080232721A1 (en)
EP (1) EP1917196A1 (en)
JP (1) JP2009505910A (en)
BR (1) BRPI0617141A2 (en)
DE (1) DE102005039853A1 (en)
MX (1) MX2008002452A (en)
RU (1) RU2008110929A (en)
WO (1) WO2007022825A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100154362A1 (en) * 2008-12-22 2010-06-24 Jansen Mark E Method and Apparatus for Bag Closure and Sealing
US20110019944A1 (en) * 2008-12-22 2011-01-27 Gary Sargin Method and system for folding and sealing bags
US9180991B2 (en) 2010-09-20 2015-11-10 Bonduelle Apparatus and method for packaging a liquid product

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5239521B2 (en) * 2007-06-04 2013-07-17 大日本印刷株式会社 Pouch container
JP2009029514A (en) * 2007-06-26 2009-02-12 Dainippon Printing Co Ltd Pouch container
CN104736446B (en) * 2012-10-03 2016-03-30 日本山村硝子株式会社 Bag-like container

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JP2009505910A (en) 2009-02-12
WO2007022825A1 (en) 2007-03-01

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