US20050078887A1 - Flexible container having an access port, method for the production of said container and welding tool for implementing said method - Google Patents

Flexible container having an access port, method for the production of said container and welding tool for implementing said method Download PDF

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Publication number
US20050078887A1
US20050078887A1 US10/499,814 US49981404A US2005078887A1 US 20050078887 A1 US20050078887 A1 US 20050078887A1 US 49981404 A US49981404 A US 49981404A US 2005078887 A1 US2005078887 A1 US 2005078887A1
Authority
US
United States
Prior art keywords
access port
foil
container
accordance
flexible container
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
US10/499,814
Other languages
English (en)
Inventor
Franz Kugelmann
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.)
Fresenius Medical Care Deutschland GmbH
Original Assignee
Individual
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 Individual filed Critical Individual
Assigned to FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH reassignment FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KUGELMANN, FRANZ
Publication of US20050078887A1 publication Critical patent/US20050078887A1/en
Abandoned legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/05—Containers specially adapted for medical or pharmaceutical purposes for collecting, storing or administering blood, plasma or medical fluids ; Infusion or perfusion containers
    • A61J1/10—Bag-type containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/133—Fin-type joints, the parts to be joined being flexible
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/532—Joining single elements to the wall of tubular articles, hollow articles or bars
    • B29C66/5326—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially flat
    • B29C66/53261—Enclosing tubular articles between substantially flat elements
    • B29C66/53262—Enclosing spouts between the walls of bags, e.g. of medical bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7148—Blood bags, medical bags

Definitions

  • the invention relates to the field of flexible containers in which an access port to the interior of the container is provided, to a method for the manufacture of such a container and to a welding tool for the carrying out of such a method.
  • flexible containers in particular pouches, which are manufactured from thermoplastic foil material, are widespread in various areas of application.
  • the flexible container has at least one access port which leads from the exterior of the container to the interior of the container and which serves for the emptying and/or for the filling of the container.
  • Such containers can be manufactured without great effort and at a low price, in particular as pouches. They can therefore be used without problem in medical applications as mass-produced articles with a disposable character.
  • the pouch can be pre-filled with a liquid such as an infusion fluid or a dialysis fluid. Empty pouches are also used in order e.g. to be able to accept a liquid during a medical treatment.
  • a hose can serve as the access port which is e.g. welded between two foils.
  • the transition point of the connection seam, at which it, starting from the connection foil-to-foil, encounters the connection foil-to-hose, must withstand enormous strains in this process. Loads can occur due to high pressure waves after the falling of the pouch (fall strength) or also during proper use (e.g. hydrostatic pressure, infusion with pressure cuff). Such loads can result in the bursting or tearing of the pouch, with said transition point being the starting point for such damage in many cases.
  • a foil pouch having a hose-like access port is described in EP 0 269 419 B1 in which, after the welding of the pouch, a tube-like cuff is applied around the hose port and the foil surrounding it in an injection molding step.
  • This requires a further production step as well as additional material, which is in particular disadvantageous for an application in high volumes.
  • the invention is based on the observation that, on the introduction of a three-dimensional access port between two two-dimensional boundary areas such as foils, problems result with respect to the exact unwinding of the boundary areas onto the surface of the access port.
  • This can be illustrated most clearly with reference to an access port made as a hose which is laid between two foils and in which a connection seam between the foils extends directly over the hose.
  • the extent of the container or of the pouch present along the connection seam is reduced due to the hose running around along half of its periphery in each case. This reduction is, however, no longer present directly subsequent to the hose end which opens into the pouch.
  • the hose usually projects—likewise for technical production reasons—into the interior of the pouch.
  • a tab-like zone is formed next to the welding seam in the event of a load, which can be caused solely by filling, with the foil contacting the hose in said zone.
  • the foil only subsequently lifts off from the hose.
  • the stability in this region can therefore be increased by an additional connection of the tab-like zone to the hose, without this being accompanied by a loss in volume, such as would the be case with a simply broadened welding seam.
  • connection seam covers part of the section of the access port which projects into the container.
  • the connection seam in this process projects on this section of the access port further into the interior of the container than in the region of the connection seam directly adjoining the access port at the side.
  • the flexible container in accordance with the invention consists of different area-like boundary parts wherein at least one is formed as a flexible foil and the access port is inserted between this foil and a second area-like boundary part.
  • the second area-like boundary part is likewise a flexible foil.
  • the access port is made as a hose.
  • the invention also includes differently shaped access ports such as boat-like inserts.
  • the flexible container in which the access port is inserted between two flexible foils, consists of a folded piece of foil as well as of one longitudinal connection seam and two transverse connection seams, with the access port being arranged in one of these connection seams.
  • the flexible container consists of a hose foil and two transverse connection seams, with the access port being arranged in one of these connection seams.
  • connection seams All forms of permanent connection processes are available for the connection seams.
  • welding seams and adhesive seams can be named here, with welding having particular importance due to the technical production advantages.
  • the most varied materials can serve as the starting material for the flexible foil of the pouch, provided they are suitable for the manufacture of connection seams with the materials to be connected. In most cases, these will be thermoplastics. It is, however, also feasible to use correspondingly thin metal foils.
  • EP 1 072 531 A2 shows a flexible container having an access port designed as an access port in which diverse incisions are provided for the tearing and releasing of the hose port.
  • connection seam which is present between two foils and extends over the inserted hose, is broadened in the direction of the part of the hose projecting into the container. This broadening also extends, however, transversely to the hose, i.e. also in the adjoining region, where it directly connects the two foils to one another.
  • FIG. 1 a flexible container made as a hose pouch with an access port provided as a hose in accordance with the prior art
  • FIG. 2 a an enlarged representation of the access port of FIG. 1 ;
  • FIG. 2 b an enlarged representation of the access port of FIG. 2 a in accordance with an embodiment of a flexible container in accordance with the invention
  • FIG. 3 a the side view of an embodiment of a welding tool in accordance with the invention.
  • FIG. 3 b the welding tool of FIG. 3 a in a plan view.
  • FIG. 1 a flexible container 1 in accordance with the prior art is shown which was manufactured from a hose foil.
  • the flexible container or pouch 1 is closed by two transverse welding seams 2 and 3 (drawn in hatched manner).
  • An access port made as a hose 4 is provided in the connection seam 2 and is drawn in a slightly perspective manner in this Figure for reasons of illustration.
  • the pouch 1 is filled with a medium which is not shown in any more detail, whereby a slight tapering of the pouch at the pouch center results in plan view.
  • the access port is closed by a seal, likewise not shown in any more detail, which can be opened by a user if required.
  • a section 4 a of the hose 4 projects beyond the connection seam 2 into the interior of the container. Due to the filling of the pouch, the foil material nestles along the line extending in a broken line in a region 5 against the section 4 a of the hose, although the connection seam 2 does not include this region.
  • the access port is shown enlarged in FIG. 2 a , with the perspective illustration of the hose 4 not having been taken over.
  • the tap-like region 5 on the hose section 4 a is clearly recognizable.
  • FIG. 2 b shows this region for an embodiment of a flexible container in accordance with the essence of the patent.
  • the connection seam 2 now also includes the tab-like region 5 . This can absorb additional forces in order to increase the stability of this region of the pouch. The available pouch volume remains practically unchanged.
  • FIGS. 3 a and 3 b an embodiment of a welding tool, with which an access port as shown in FIG. 2 b can be inserted between a flexible foil and a second areal-like boundary part of a flexible container, is shown in a side and plan view.
  • a block-like substrate body 10 is provided which has a first surface 13 into which a groove 11 with a semi-circular section has been inlet. The radius of the semi-circle results from the radius of the hose 4 to be welded in.
  • the block-like substrate body moreover has a second surface 12 which is inclined by an acute angle ⁇ with respect to the direction in which the groove 11 or the first surface 13 extends.
  • the substrate body in particular the area of the groove 11 and the first surface 13 , can be heated for thermal contact welding.
  • the welding tool 10 is inserted as follows while using the method in accordance with the invention for the insertion of an access port between a flexible foil and as second area-like boundary part of a flexible container:
  • the access port made as a hose 4 is positioned between the foil and the second boundary part.
  • the welding tool 10 is then placed on from the side of the foil such that the connection seam 2 to be established extends over the first surface 13 and the hose 4 is inserted along the groove 11 , with the foil extending between the groove 11 and the hose 4 .
  • the second surface 12 is chamfered toward the interior of the container in this case.
  • a correspondingly shaped counter-piece not shown in any more detail, provides a sufficient fixing from the side of the second boundary part. If the second boundary part should likewise be made as a flexible foil, a second welding tool 10 is expediently moved to the second foil in a corresponding mirror-symmetrical manner.
  • the subsequent welding process along the heatable areas provides the formation of a connection seam 2 which has a section as shown in FIG. 2 b.
  • the angle ⁇ can have an optimized value in dependence on the application. It has been found to be particularly advantageous for it to lie between 30 and 60 degrees (with a right angle amounting to 90 degrees).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hematology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Bag Frames (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Packages (AREA)
  • Making Paper Articles (AREA)
US10/499,814 2002-02-18 2003-01-24 Flexible container having an access port, method for the production of said container and welding tool for implementing said method Abandoned US20050078887A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10206738.4 2002-02-18
DE10206738A DE10206738A1 (de) 2002-02-18 2002-02-18 Flexibler Behälter mit Zugangsport, Verfahren zum Herstellen eines solchen Behälters und Schweißwerkzeug zur Durchführung eines solchen Verfahrens
PCT/EP2003/000741 WO2003068134A1 (de) 2002-02-18 2003-01-24 Flexibler behälter mit zugangsport, verfahren zum herstellen eines solchen behälters und schweisswerkzeug zur durchführung eines solchen verfahrens

Publications (1)

Publication Number Publication Date
US20050078887A1 true US20050078887A1 (en) 2005-04-14

Family

ID=27674719

Family Applications (1)

Application Number Title Priority Date Filing Date
US10/499,814 Abandoned US20050078887A1 (en) 2002-02-18 2003-01-24 Flexible container having an access port, method for the production of said container and welding tool for implementing said method

Country Status (8)

Country Link
US (1) US20050078887A1 (de)
EP (1) EP1476116B1 (de)
JP (1) JP4291159B2 (de)
AT (1) ATE390111T1 (de)
AU (1) AU2003205671A1 (de)
DE (2) DE10206738A1 (de)
ES (1) ES2300560T3 (de)
WO (1) WO2003068134A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013124599A1 (fr) 2012-02-22 2013-08-29 Maco Pharma Récipient pourvu d'une chambre d'étanchéité traversée par un conduit d'écoulement
US20210387796A1 (en) * 2018-10-25 2021-12-16 Societe Des Produits Nestle S.A. Pack for preparing food or beverage products

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4932139B2 (ja) * 2004-02-20 2012-05-16 藤森工業株式会社 包装袋
CA2569054A1 (en) * 2004-06-02 2005-12-15 Golden Triangle Enterprises Pty Ltd. Apparatus and method for capturing and containing sulphur hexafluoride gas leakage
FR2874007B1 (fr) * 2004-08-03 2007-11-23 Essilor Int Procede de fabrication d'un substrat revetu d'une couche mesoporeuse et son application en optique
US9550609B2 (en) * 2012-06-27 2017-01-24 Ge Healthcare Bio-Sciences Ab Container with a seal and a method of making the seal
DE202014004463U1 (de) * 2014-06-03 2015-09-04 Tesseraux Spezialverpackungen Gmbh Beutel und Verwendung eines Beutels

Citations (17)

* Cited by examiner, † Cited by third party
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US2584632A (en) * 1945-11-09 1952-02-05 Shellmar Products Corp Method of making containers
US2936757A (en) * 1957-04-19 1960-05-17 Herbert D Trace Surgical drainage apparatus
US3783787A (en) * 1972-01-17 1974-01-08 Ireco Chemicals Blasting charge and container therefor
US4023607A (en) * 1974-06-07 1977-05-17 Automaticon A/S Polyethylene urine bag with tube
US4452378A (en) * 1982-06-16 1984-06-05 Trinity Associates Gussetted bottom pouch
US4561110A (en) * 1982-01-07 1985-12-24 Fresenius Ag Bag for the storage of liquids
US4650452A (en) * 1985-04-29 1987-03-17 Squibb Corporation Method for joining a tube to a collection pouch
US5147086A (en) * 1990-08-08 1992-09-15 Kabushiki Kaisha Kobe Seiko Sho Preparation of capsule for use in isostatic pressing treatment
USD341157S (en) * 1990-12-10 1993-11-09 Seiko Epson Corporation Ink bag for printer
US5312189A (en) * 1991-05-16 1994-05-17 Cellpack Ag Bag made of foil material and a method of producing such a bag
US5865309A (en) * 1995-03-23 1999-02-02 Nissho Corporation Dual-chambered container and method of making same
US6105821A (en) * 1997-11-10 2000-08-22 Gr Advanced Materials Ltd Dispensing container for highly viscous liquids
US6127009A (en) * 1996-05-08 2000-10-03 Pactiv Corporation Dispenser unit, process for manufacturing the same and its use
USD451542S1 (en) * 2000-08-09 2001-12-04 Seiko Epson Corporation Ink pack
US20040161177A1 (en) * 2003-02-14 2004-08-19 N'dia Franck-Phillippe Easily opened fluid pouch
US20050220376A1 (en) * 2002-05-15 2005-10-06 Kazuhiko Tsukanome Multi-bag and method of producing the same, and multi-bag for bag-making and filling
USD544909S1 (en) * 2003-05-09 2007-06-19 Ricoh Company, Ltd. Ink pouch for a printer ink cartridge

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB773342A (en) * 1954-02-25 1957-04-24 Fenwal Lab Inc Improvements in or relating to sealing closure for fluid containers
DE3767452D1 (de) * 1986-11-28 1991-02-21 Squibb & Sons Inc Herstellung von beuteln.
US6213334B1 (en) * 1996-09-05 2001-04-10 Baxter International Inc Flexible, three-dimensional containers and methods for making them
ITRN990026A1 (it) * 1999-07-29 2001-01-29 Gino Poggi Contenitore flessibile di liquidi

Patent Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2584632A (en) * 1945-11-09 1952-02-05 Shellmar Products Corp Method of making containers
US2936757A (en) * 1957-04-19 1960-05-17 Herbert D Trace Surgical drainage apparatus
US3783787A (en) * 1972-01-17 1974-01-08 Ireco Chemicals Blasting charge and container therefor
US4023607A (en) * 1974-06-07 1977-05-17 Automaticon A/S Polyethylene urine bag with tube
US4561110A (en) * 1982-01-07 1985-12-24 Fresenius Ag Bag for the storage of liquids
US4452378A (en) * 1982-06-16 1984-06-05 Trinity Associates Gussetted bottom pouch
US4650452A (en) * 1985-04-29 1987-03-17 Squibb Corporation Method for joining a tube to a collection pouch
US5147086A (en) * 1990-08-08 1992-09-15 Kabushiki Kaisha Kobe Seiko Sho Preparation of capsule for use in isostatic pressing treatment
USD341157S (en) * 1990-12-10 1993-11-09 Seiko Epson Corporation Ink bag for printer
US5312189A (en) * 1991-05-16 1994-05-17 Cellpack Ag Bag made of foil material and a method of producing such a bag
US5865309A (en) * 1995-03-23 1999-02-02 Nissho Corporation Dual-chambered container and method of making same
US6127009A (en) * 1996-05-08 2000-10-03 Pactiv Corporation Dispenser unit, process for manufacturing the same and its use
US6105821A (en) * 1997-11-10 2000-08-22 Gr Advanced Materials Ltd Dispensing container for highly viscous liquids
USD451542S1 (en) * 2000-08-09 2001-12-04 Seiko Epson Corporation Ink pack
US20050220376A1 (en) * 2002-05-15 2005-10-06 Kazuhiko Tsukanome Multi-bag and method of producing the same, and multi-bag for bag-making and filling
US20040161177A1 (en) * 2003-02-14 2004-08-19 N'dia Franck-Phillippe Easily opened fluid pouch
USD544909S1 (en) * 2003-05-09 2007-06-19 Ricoh Company, Ltd. Ink pouch for a printer ink cartridge

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013124599A1 (fr) 2012-02-22 2013-08-29 Maco Pharma Récipient pourvu d'une chambre d'étanchéité traversée par un conduit d'écoulement
US20210387796A1 (en) * 2018-10-25 2021-12-16 Societe Des Produits Nestle S.A. Pack for preparing food or beverage products

Also Published As

Publication number Publication date
ATE390111T1 (de) 2008-04-15
JP4291159B2 (ja) 2009-07-08
WO2003068134A1 (de) 2003-08-21
JP2005517595A (ja) 2005-06-16
AU2003205671A1 (en) 2003-09-04
DE10206738A1 (de) 2003-09-04
EP1476116A1 (de) 2004-11-17
ES2300560T3 (es) 2008-06-16
DE50309467D1 (de) 2008-05-08
EP1476116B1 (de) 2008-03-26

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Legal Events

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AS Assignment

Owner name: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH, GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:KUGELMANN, FRANZ;REEL/FRAME:015535/0959

Effective date: 20040614

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION