WO2003066471A1 - Recipient a remplir avec un liquide, procede pour produire un tel recipient et outil de soudage permettant de mettre en oeuvre ce procede de production - Google Patents

Recipient a remplir avec un liquide, procede pour produire un tel recipient et outil de soudage permettant de mettre en oeuvre ce procede de production Download PDF

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Publication number
WO2003066471A1
WO2003066471A1 PCT/DE2003/000335 DE0300335W WO03066471A1 WO 2003066471 A1 WO2003066471 A1 WO 2003066471A1 DE 0300335 W DE0300335 W DE 0300335W WO 03066471 A1 WO03066471 A1 WO 03066471A1
Authority
WO
WIPO (PCT)
Prior art keywords
container
seam
boundary
peel
welding tool
Prior art date
Application number
PCT/DE2003/000335
Other languages
German (de)
English (en)
Inventor
Dietmar Hansel
Claus Haupert
Xiaogang Gao
Franz Kugelmann
Matthias Meisinger
Original Assignee
Fresenius Medical Care Deutschland Gmbh
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 Fresenius Medical Care Deutschland Gmbh filed Critical Fresenius Medical Care Deutschland Gmbh
Priority to AU2003208280A priority Critical patent/AU2003208280A1/en
Publication of WO2003066471A1 publication Critical patent/WO2003066471A1/fr

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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
    • B29C66/347—General aspects dealing with the joint area or with the area to be joined using particular temperature distributions or gradients; using particular heat distributions or gradients
    • B29C66/3472—General aspects dealing with the joint area or with the area to be joined using particular temperature distributions or gradients; using particular heat distributions or gradients in the plane of the joint, e.g. along the joint line in the plane of the joint or perpendicular to the joint line in the plane of the joint
    • 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
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • B29C66/7234—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a barrier layer
    • B29C66/72341—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a barrier layer for gases
    • 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/818—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
    • B29C66/8181—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects
    • B29C66/81811—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects of the welding jaws
    • 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/818—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
    • B29C66/8187—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the electrical insulating constructional aspects
    • B29C66/81871—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the electrical insulating constructional aspects of the welding jaws
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
    • B29C66/91421—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature of the joining 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/919—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges
    • B29C66/9192—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges in explicit relation to another variable, e.g. temperature diagrams
    • 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
    • B65D75/5855—Peelable seals
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2207/00—Methods of manufacture, assembly or production
    • 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
    • B29C65/76—Making non-permanent or releasable 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
    • B29C66/11—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
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/431—Joining the articles to themselves
    • B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
    • 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
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/432—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
    • 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
    • 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/818—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
    • B29C66/8181—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects
    • 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
    • B29L2031/7128—Bags, sacks, sachets
    • 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
    • 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
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/30—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure

Definitions

  • Containers for filling with a liquid Method for producing such a container and welding tool for carrying out the production method
  • the invention relates to a container for filling with a liquid, consisting of interconnected surface elements made of thin-layer material, the inner region of the container having a boundary, at least in partial regions. It also relates to a method for producing such a container and a welding tool for carrying out the production method.
  • a container according to the preamble is known for example from WO 95/26177.
  • a bag which consists of a polymeric multilayer film in the form of a tube and whose bag chambers are formed at the top and bottom by weld seams in the outer edge area.
  • the multilayer film used for this is designed so that it forms a peelable connection at a first welding temperature and a fixed connection at a second, higher welding temperature, which makes it possible to remove the separation between individual chambers of a multi-chamber bag formed by a peel seam and that in the individual Mix liquids contained in chambers.
  • Such bags are used in particular as containers for medical liquids.
  • Containers for filling with a liquid consisting of interconnected surface elements made of thin-layer material (e.g. in the form of tubular films), the inner region of the container being formed by a boundary (for example a boundary seam or by kinking the film) are made from numerous materials, in particular however, polymers and metal foils are produced and used in many fields, for example as containers for beverages, liquid foods or solid foods in a preserving liquid (for example pickled olives).
  • the boundary seam is usually produced either by welding or by gluing the thin-layer surface elements. In all of these areas, but especially in the field of medical applications, it is of great importance that the container has sufficient drop resistance, in the medical field, for example, the container should not burst when dropped from a height of 2 m.
  • a sample pack for example for cosmetic samples, which is formed by two surface elements connected by a peel seam, is known for example from WO 98/56568.
  • WO 01/80806 describes a container for storing liquids, the liquid being stored in a lower region, which is separated from the upper region of the container by a soft partition, and the partition is not destroyed when the container falls down.
  • a heating device in particular for devices for the thermal processing of foils, is known with which a heat pulse with steep heating and cooling edges can be generated. This is achieved in that an electrically insulating layer is provided on a metal substrate with an associated cooling device, on which at least one thick-film conductor track is applied as a heating conductor.
  • the object of the invention is to create a container according to the preamble which has a low drop resistance.
  • the peel seam which can be arranged directly next to or at a distance from the boundary, absorbs pressure surges and tears in the case of shock waves of corresponding strength, absorbing energy and thus the pressure on the boundary arranged behind (regardless of whether this is caused by a kink in the film, by welding, gluing or in some other way).
  • the boundary can be spared by repeatedly tearing open a peel seam, even if the container is repeatedly impacted.
  • the resilience of the container due to impact forces, such as occur particularly in the event of an impact is significantly increased in this way and, depending on the constellation, even doubled. If this is not necessary, the material thickness of the surface elements used can be reduced while the load-bearing capacity remains the same, thereby saving material costs.
  • the peeling force of the peel seam must be matched to the respective application and shape of the container, the material of the surface elements and the type of connection of the surface elements. Another advantage of the invention is that the notch influences from the actual weld seam on the film are significantly reduced by the provision of a peel seam.
  • the container according to the invention can be used for all liquids or solids stored in liquids.
  • a preferred embodiment of the invention is that the boundary is designed as a boundary seam.
  • a liquid-tight container can be created from a tubular film by means of an upper and a lower boundary seam.
  • a container can also be created from two superimposed surface elements by creating boundary seams.
  • the peel seam is 1 to 20 mm wide.
  • the container is made of polymeric material. Due to the low material costs and the good weldability, polymer material is suitable for numerous applications.
  • An embodiment of the invention is that the surface elements are connected to one another by welding.
  • the polymeric material forms a peelable connection at a first welding temperature and a fixed connection at a second, higher welding temperature.
  • weld seams of different strengths can be produced in one operation.
  • the polymeric material is a polymeric multilayer film with two or more layers.
  • peel seam has interruptions along its course, whereas the boundary is continuous.
  • One embodiment of the invention is that the surface elements are connected to one another by gluing.
  • a method for producing a container according to the invention also lies within the scope of the invention, the container being produced from thin-layer material by connecting surface elements, and the interior of the container at least in Partial areas has a boundary, with a peel seam that is easier to separate being arranged approximately parallel to the boundary toward the inner region of the container.
  • the boundary is designed as a boundary seam.
  • a method for producing a container according to the invention the boundary seam and the peel seam being applied simultaneously via a welding tool with an asymmetrical temperature profile transverse to the seam direction, the peel seam being applied at a lower temperature than the boundary seam.
  • the boundary seam and the peel seam are applied simultaneously via a welding tool, the welding tool having interruptions along the course of the peel seam.
  • a welding tool for carrying out the method according to the invention is also within the scope of the invention, the welding tool having an asymmetrical temperature profile transverse to the seam direction.
  • the invention also includes a welding tool for carrying out the method according to the invention, which has interruptions in the heating layer along the course of the peel seam.
  • FIG. 2b shows a conventional welding tool for the production of such containers and the temperature profile achieved thereby transversely to the seam direction
  • FIG. 3 shows a welding tool according to the invention for the production of such containers as well as the temperature profile achieved thereby transverse to the seam direction.
  • the container 1 shown in FIG. 1 consists of two interconnected surface elements made of thin-layer material, in the present example a scWauc-shaped polymeric multilayer film, which forms a peelable connection at a first temperature and a fixed connection at a second, higher temperature.
  • a scWauc-shaped polymeric multilayer film which forms a peelable connection at a first temperature and a fixed connection at a second, higher temperature.
  • any other thin-layer materials and joining techniques are possible in principle, e.g. also metal sheets glued together.
  • the inner area 2 of the container 1, which is used to hold a liquid, has a nozzle 3 and is formed from a tubular film by a boundary seam 4 in the upper and lower area of the container 1.
  • a suspension device 5 is also provided.
  • an approximately 1 to 20 mm wide peel seam 6 is arranged toward the inner region of the container 1, which is easier to separate than the boundary seam 4.
  • the container size, the required volume and the number of peel seams 6. It is entirely possible to provide a plurality of parallel peel seams 6 in order to achieve a higher level of safety against falling or a multiple impact.
  • the procedure according to the invention results in a significant increase in the drop resistance even with a width of the peel seam 6 of only 1 mm, so that the additional space requirement is extremely small.
  • seams can also be provided in which the boundary seam 4 is continuous and the peel seam 6 has interruptions along its course, the interruptions being so small that there is still no liquid passage.
  • peel seams makes it possible to absorb part of the pressure surge, as occurs in the event of a collision of the container, by controlled peeling of the peel seam 6 adsorb and protect the boundary seam 4 located behind with respect to the pressure surge.
  • the drop resistance of the container is significantly increased; Experiments have shown that the drop resistance has doubled.
  • FIG. 2a A tool 7 is shown in FIG. 2a, as is conventionally used to create the boundary seams 4.
  • An electrically insulating ceramic layer 9 is provided on a metal substrate 8 with an associated cooling device, on which (partly with the interposition of insulation layers 13) in turn at least one thick-layer conductor track 10 is applied as a heating conductor.
  • FIG. 2 it can clearly be seen that the structure of the heating layer transverse to the seam direction (arrow) is symmetrical.
  • the temperature profile transverse to the direction of the seam (FIG. 2b) is thus also largely symmetrical.
  • a first area 11 is provided, with which the boundary seam 4 is created and to which a second area 12 adjoins, with which a peel seam 6 is created due to the lower welding temperatures (see temperature profile in FIG. 3b).
  • the staggered structure of the thick-film conductor tracks 10 with insulation layers 13 arranged between them allows the setting of almost any temperature and seam width in the area of the weld seams 4, 6.
  • the presence or the arrangement of insulation layers 13, the peeling force of the peel seam 6 can be matched to the material used and the respective application of the container 1.
  • a more easily detachable peel seam can be provided before the actual boundary seam, e.g. by providing interruptions along the course of the peel seam or by using different adhesives, so that here, too, when a pressure surge occurs, the peel seam is torn open in a controlled manner, in which at least part of the pressure surge is absorbed, so that the boundary seam behind it only remains is loaded with a reduced pressure surge.

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  • Mechanical Engineering (AREA)
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Abstract

La présente invention concerne un récipient (1) à remplir avec un liquide, qui est formé d'éléments de surface connectés les uns aux autres et constitués d'un matériau en couche mince. L'intérieur du récipient est au moins dans des zones partielles défini par une délimitation (4). La présente invention concerne également un procédé pour produire un tel récipient, ainsi qu'un outil de soudage permettant de mettre en oeuvre ce procédé de production. L'objectif de la présente invention est de produire un tel récipient présentant une grande résistance aux chocs en cas de chute. A cette fin, un joint à décoller (6), qui se détache facilement, se trouve approximativement parallèle à la délimitation, orienté vers l'intérieur du récipient.
PCT/DE2003/000335 2002-02-06 2003-02-06 Recipient a remplir avec un liquide, procede pour produire un tel recipient et outil de soudage permettant de mettre en oeuvre ce procede de production WO2003066471A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003208280A AU2003208280A1 (en) 2002-02-06 2003-02-06 Container to be filled with a liquid, method for producing one such container, and welding tool for carrying out the production method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10204968A DE10204968A1 (de) 2002-02-06 2002-02-06 Behälter zum Befüllen mit einer Flüssigkeit, Verfahren zum Herstellen eines derartigen Behälters und Schweißwerkzeug zum Durchführen des Herstellungsverfahrens
DE10204968.8 2002-02-06

Publications (1)

Publication Number Publication Date
WO2003066471A1 true WO2003066471A1 (fr) 2003-08-14

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PCT/DE2003/000335 WO2003066471A1 (fr) 2002-02-06 2003-02-06 Recipient a remplir avec un liquide, procede pour produire un tel recipient et outil de soudage permettant de mettre en oeuvre ce procede de production

Country Status (3)

Country Link
AU (1) AU2003208280A1 (fr)
DE (1) DE10204968A1 (fr)
WO (1) WO2003066471A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7740730B2 (en) 2004-04-15 2010-06-22 Teich Ag Method of closing a container with a lid
WO2018165300A1 (fr) * 2017-03-08 2018-09-13 B. Braun Medical Inc. Contenants souples et procédés associés

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1913293A1 (de) * 1969-03-15 1970-09-17 Hesser Ag Maschf Siegelnaht an Kunststoff-Folien od.dgl. und Verfahren zu deren Herstellung
US3809596A (en) * 1970-09-11 1974-05-07 Monsanto Co Non-tear seams produced by radio frequency means
EP0875231A2 (fr) * 1997-05-02 1998-11-04 B. Braun Melsungen Ag Poche imperméable flexible multicompartimentée
DE19737471A1 (de) * 1997-08-28 1999-03-11 Robert Dipl Ing Peters Heizeinrichtung
WO2001035898A1 (fr) * 1999-11-12 2001-05-25 Baxter International Inc. Contenants a enceintes multiples pour solutions a usage medical et leur procede de fabrication

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4333852A1 (de) * 1993-09-23 1995-03-30 Lust Hybrid Technik Gmbh Heizelement für Folienschweißgeräte
DE29513582U1 (de) * 1995-08-24 1995-10-19 Wolf Hans Verpackungsbeutel
EP0792735A1 (fr) * 1996-03-01 1997-09-03 The Procter & Gamble Company Procédé pour la fermeture de l'embouchure d'un sac flexible

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1913293A1 (de) * 1969-03-15 1970-09-17 Hesser Ag Maschf Siegelnaht an Kunststoff-Folien od.dgl. und Verfahren zu deren Herstellung
US3809596A (en) * 1970-09-11 1974-05-07 Monsanto Co Non-tear seams produced by radio frequency means
EP0875231A2 (fr) * 1997-05-02 1998-11-04 B. Braun Melsungen Ag Poche imperméable flexible multicompartimentée
DE19737471A1 (de) * 1997-08-28 1999-03-11 Robert Dipl Ing Peters Heizeinrichtung
WO2001035898A1 (fr) * 1999-11-12 2001-05-25 Baxter International Inc. Contenants a enceintes multiples pour solutions a usage medical et leur procede de fabrication

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7740730B2 (en) 2004-04-15 2010-06-22 Teich Ag Method of closing a container with a lid
WO2018165300A1 (fr) * 2017-03-08 2018-09-13 B. Braun Medical Inc. Contenants souples et procédés associés
US10654632B2 (en) 2017-03-08 2020-05-19 B. Braun Medical Inc. Flexible containers and related methods

Also Published As

Publication number Publication date
DE10204968A1 (de) 2003-08-14
AU2003208280A1 (en) 2003-09-02

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