WO2003029109A2 - Verfahren zum herstellen eines flexiblen schüttgutbehälters und danach hergestellte schüttgutbehälter - Google Patents
Verfahren zum herstellen eines flexiblen schüttgutbehälters und danach hergestellte schüttgutbehälter Download PDFInfo
- Publication number
- WO2003029109A2 WO2003029109A2 PCT/EP2002/010923 EP0210923W WO03029109A2 WO 2003029109 A2 WO2003029109 A2 WO 2003029109A2 EP 0210923 W EP0210923 W EP 0210923W WO 03029109 A2 WO03029109 A2 WO 03029109A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fabric
- area
- seam
- energy conversion
- blank
- Prior art date
Links
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
- B65D88/00—Large containers
- B65D88/16—Large containers flexible
- B65D88/1612—Flexible intermediate bulk containers [FIBC]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
- B23K26/24—Seam welding
- B23K26/244—Overlap seam welding
-
- 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
- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
- B29C65/16—Laser beams
- B29C65/1629—Laser beams characterised by the way of heating the interface
- B29C65/1635—Laser beams characterised by the way of heating the interface at least passing through one of the parts to be joined, i.e. laser transmission welding
-
- 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
- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
- B29C65/16—Laser beams
- B29C65/1629—Laser beams characterised by the way of heating the interface
- B29C65/1654—Laser beams characterised by the way of heating the interface scanning at least one of the parts to be joined
-
- 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
- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
- B29C65/16—Laser beams
- B29C65/1629—Laser beams characterised by the way of heating the interface
- B29C65/1664—Laser beams characterised by the way of heating the interface making use of several radiators
-
- 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
- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
- B29C65/16—Laser beams
- B29C65/1677—Laser beams making use of an absorber or impact modifier
- B29C65/168—Laser beams making use of an absorber or impact modifier placed at the interface
-
- 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
-
- 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
- B29C66/135—Single hemmed joints, i.e. one of the parts to be joined being hemmed in the joint area
-
- 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
-
- 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
- B29C66/4322—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 by joining a single sheet to itself
-
- 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
- B29C66/45—Joining of substantially the whole surface of the articles
-
- 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
- B29C66/729—Textile or other fibrous material made from plastics
-
- 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
- B29C66/73—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/739—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/7392—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
- B29C66/73921—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
-
- 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
- B65D88/00—Large containers
- B65D88/16—Large containers flexible
- B65D88/1612—Flexible intermediate bulk containers [FIBC]
- B65D88/1675—Lifting fittings
- B65D88/1681—Flexible, e.g. loops, or reinforcements therefor
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
- B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
- B29C2035/0822—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using IR radiation
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
- B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
- B29C2035/0827—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using UV radiation
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
- B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
-
- 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
- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
- B29C65/16—Laser beams
- B29C65/1629—Laser beams characterised by the way of heating the interface
- B29C65/1674—Laser beams characterised by the way of heating the interface making use of laser diodes
-
- 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
- B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
- B29C66/23—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being multiple and parallel or being in the form of tessellations
- B29C66/232—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being multiple and parallel or being in the form of tessellations said joint lines being multiple and parallel, i.e. the joint being formed by several parallel joint lines
-
- 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
- B29C66/4326—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 for making hollow articles or hollow-preforms, e.g. half-shells
-
- 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
- B29C66/71—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 composition of the plastics material of the parts to be joined
-
- 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
- B29C66/729—Textile or other fibrous material made from plastics
- B29C66/7292—Textile or other fibrous material made from plastics coated
-
- 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
- B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
- B29C66/836—Moving relative to and tangentially to the parts to be joined, e.g. transversely to the displacement of the parts to be joined, e.g. using a X-Y table
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2307/00—Use of elements other than metals as reinforcement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
- B29K2995/0026—Transparent
- B29K2995/0027—Transparent for light outside the visible spectrum
-
- 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
- B29L2009/00—Layered products
-
- 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
- B29L2031/7126—Containers; Packaging elements or accessories, Packages large, e.g. for bulk storage
Definitions
- the invention relates to a method for producing a flexible bulk goods container.
- the invention relates to flexible bulk containers, which are also referred to internationally as flexible intermediate bulk containers (FIBC), made of a plastic ribbon fabric, which comprise at least one circumferential side wall and at least one base section or a cover section.
- FIBC flexible intermediate bulk containers
- DE 39 38 414 AI shows a bulk container that is composed in the usual way of several blanks to a cuboid-shaped container, which in the filled state can approach a cylindrical shape due to the internal pressure of the bulk material.
- Four side parts are provided, which are sewn together along the side edges.
- the side walls are sewn to a bottom section, which can also be supplemented with attached dispensing aids such as sockets and the like.
- An additional cover section can be provided on the top of the container thus formed, which can be provided with filling aids.
- Additionally are on the top corners of the container Carrying loops sewn on to allow use with hoists.
- the manufacture of a bulk container by sewing individual blanks has several disadvantages.
- the needle puncture alone weakens the material, which is usually a plastic fabric made from ribbons made of polypropylene, polyethylene or HD polyethylene film, so that a perforation line is created in the area of the punctures along the the tap holes widen when the bulk container is heavily loaded. Due to the perforations, the bulk goods container must be provided with an inner lining or a seam cover if very fine-grained bulk goods are to be transported or if the bulk goods container is to be suitable for holding food so that the bulk material is hermetically sealed from environmental influences.
- corner reinforcements In order to weaken the strong forces on the side seams, it is known to sew in corner reinforcements over the entire height of the container, so that the rubble is prevented. flows well directly into the side seam areas and excessive forces act directly on the side seams.
- corner reinforcements can only be sewn up to a limited height of the container, since with a seam length of more than one meter to be bridged, it is no longer possible to produce the seam even with industrial sewing machines.
- US Pat. No. 5,845,995 specifies a packaging sack which is formed by folding from a polyolefin tubular fabric. A melted intermediate layer made of a thermoplastic polymer is then placed in the area of the folded layers, to which the folded layers adhere, so that the floor area is sealed.
- the introduction of the heated intermediate layer is difficult. It is also disadvantageous that the strong heat input, the infiltrating melt from the intermediate layer and the full-surface gluing adhere the fabric and the fabric loses its flexibility.
- the so-called memory effect occurs due to the heat, i.e. the stretching is reduced, as a result of which the strength of the fabric decreases.
- a method for producing a flexible bulk goods container which comprises the following method steps: a) introducing an energy converting agent, which absorbs the light energy of a laser beam with the wavelength ⁇ and converts it into heat energy, into a seam region of at least one tissue blank, the tissue blank being made of a plastic that is permeable to the laser beam; b) producing an overlap of the fabric cut in the seam area with formation of an interface between the overlapping fabric layers; c) irradiating at least one of the fabric layers with a laser beam with a wavelength ⁇ in the seam area; d) partial melting of the fabric layers in the surface area at the boundary layer and cooling to form a weld seam as an intimate connection between the fabric layers; and e) repetition of steps b
- the laser beam passes through the polypropylene fabric of the outer layer and strikes the energy conversion means introduced into the boundary layer in the area of an interface between the adjacent fabric layers.
- the radiated light energy is converted into thermal energy, which leads to local heating and partial melting of the tissue.
- the melting of both joining partners in the area of the boundary layer leads to a fusion and thus to a material connection.
- the method according to the invention can be automated and can therefore be carried out inexpensively. With laser transmission welding, it is thus possible to arrange weld seams wherever they are essential to the function. Seams can also be produced by welding in places that are not accessible to a sewing machine. This makes it possible to redesign a bulk goods container and greatly reduce the number of individual parts for its manufacture.
- a fabric can be selected which has a lower basis weight than is required for sewn containers.
- the position of the seams can be easily adapted to the force flows in the tissue and that even complicated forms of cutting can be provided without significantly increasing the production costs. It is also possible to connect firm and flexible fabrics with each other. This is possible with all thermoplastic material combinations where mixing of the melt is possible. For example, if a polypropylene Ribbon fabric used, injection molded parts made of polypropylene can be easily welded to the fabric. As a result, pipe sockets can be welded into the base or cover area, which considerably facilitate docking to a filling or unloading station. Additional parts can also be welded on, which enable automated gripping of the filling and outlet connections of the bulk goods container, for example those which are designed in the manner of a bayonet catch.
- corner reinforcements are also possible with the help of laser transmission welding, since only the laser head has to be guided along the inner wall of the container in order to attach the corner reinforcement to the side wall. There is no restriction on the seam length, as is the case with sewing machines.
- the entire surface of the tissue is coated with an energy conversion agent that absorbs the light energy of a laser at a specific wavelength, or that the plastic is mixed overall with an energy conversion agent before the tissue is manufactured.
- the prepared fabric blank is preferably provided with an energy conversion means, for example by printing, only in the area of the subsequent weld seams.
- the energy conversion means can also be provided in the form of a welding film which is inserted into the boundary layer in the area of the desired seam courses.
- the welding foil consists of a carrier plastic that is mixed with pigments that absorb light energy.
- the thickness of the welding foil, its softening temperature or the degree of absorption of the pigments can be chosen such that either the welding foil completely melts in the area of the weld seam and a melt bath made of plastic is produced, which in turn causes local melting of the surfaces of the tissue to be welded, or in such a way that the welding foil is only heated up to a great extent and the two layers of tissue adhere to each other through the interposed welding foil be intensively connected.
- microperforation be carried out by laser energy applied at certain points.
- laser energy applied at certain points.
- micro-perforations can be made without any problems, which contribute to a controlled ventilation of the interior of the container, but without any bulk material flowing out from the interior.
- the previously required reinforcement areas can be dispensed with. It is proposed here to fan out the tab area welded to the container in the case of particularly loaded containers and to weld the individual fingers of the fan in order to achieve a more favorable force distribution. The bigger one The number and length of the weld seams no longer means a disadvantage in the automatable method of the invention.
- Fig. La, lb the welding of a fabric blank to a cylinder in a schematic view
- 3a to 3c show the fabrication of a tissue tube section by folding and folding in different process stages
- FIG. 6 shows a further prefabricated fabric section for the production of a bulk goods container by welding at the edge
- FIG. 7 shows the welding of an overlap area in a schematic sectional illustration; and 8 shows a further embodiment of a bulk material container in a perspective view.
- FIG. 1 a shows a fabric blank 20 in which an energy conversion means is printed on or applied in some other way in the seam region 25.
- the energy conversion agent can consist of carbon, in particular in the form of carbon black. Since carbon absorbs light of all wavelengths, various lasers can be used, especially inexpensive semiconductor lasers.
- the fabric blank 20 is rolled into a cylinder to form an overlap in the seam region 25.
- the laser beam 11 deflected by a laser 10 is deflected at an optical device 14 and guided along the seam region 25.
- the welding of the fabric blank by means of laser transmission welding is explained with reference to FIG. 2.
- Two adjacent fabric layers 20.1, 20.2 are shown there, in the boundary layer 22 of which an energy conversion means 24 is partially introduced.
- the size relationships shown in the drawing in FIG. 2 are not to scale and are only used for illustration.
- the energy conversion means 24 is usually applied in a layer thickness of approximately 10 to 100 ⁇ m, so that the boundary layer 22 also has this thickness.
- the thickness of the fabric layer 20.1 lying at the top, to be irradiated, is appropriate
- the thickness of the non-irradiated, lower plastic part 20.2 is arbitrary in any case.
- the laser beam passes through the plastic part 20.1, strikes the energy conversion means 24 introduced there in the boundary layer 22, the light energy being converted into thermal energy.
- the amount of heat can be calculated per time that must be introduced into the boundary layer 22 in order to achieve a melting of the fabric layers 20.1, 20.2, but without causing a complete melting, softening or even destroying the fabric layers 20.1, 20.2 ,
- a weld seam 23 which is lenticular in section is formed, which is initially in the form of a melt and cools and solidifies after the end of the irradiation with laser light.
- the plane of symmetry of the weld seam 23 lies approximately in the boundary layer 22, as a result of which a uniform force profile and a high load-bearing capacity of the seam region 25 are achieved.
- Another laser 10 ⁇ with a wavelength ⁇ 2 can be provided.
- an energy conversion means which only absorbs part of the light at the wavelengths ⁇ i and ⁇ . If only one of the laser beams 10 or 10 is irradiated, only local heating takes place, but no melting and welding. Only when several laser beams 11, 11 * with the wavelengths ⁇ i and ⁇ 2 are used at the same time is the energy input sufficient to produce a weld seam 23, 23 ⁇ . It is thus possible, for example, to weld only the crossing points in the fabric if the weft threads are coated with the first energy conversion means 24 and the warp threads with the second energy conversion means 24 ⁇ .
- the two energy conversion means 24, 24 are adjacent to one another, so that a laser beam with the wavelength ⁇ 2 can only weld there, while it can otherwise sweep the entire surface of the tissue without melting it. By simply connecting the nodes, the tissue remains flexible.
- a flexible tissue is also obtained when a single laser is coupled to an image processing system and a control device, by means of which the laser beam is only switched on at the crossing points of the
- Warp and weft threads are made. In this case, it is sufficient to apply an energy conversion agent to the warp or weft.
- 3a to 3c is the preparation of a fabric hose section for the manufacture of a bulk container shown. Either a fabric tube is selected or, as shown above with reference to FIGS. La, b, a flat fabric blank 20 is connected to form a tube.
- a polypropylene ribbon fabric is preferably selected, the ribbons preferably having a width of 1 to 4 mm and preferably being stretched in a ratio of 1: 7 to 1: 6.
- the monoaxial stretching in particular achieves tensile strengths of the fabric of approximately 250 N / mm 2 .
- the tapes of polypropylene are composed, for example, as follows:
- anti-chippings e.g. Calcium carbonate, titanium dioxide, talc, etc.
- fabrics made of PE, HDPE and PET can be processed in accordance with the invention.
- the fabric blank 20 is provided with an imprint of an energy conversion means 24, which corresponds to the later course of the seam.
- the tube section is laid flat to form a flat web 30. Then fold markings 41, 43, 44 are applied several times and corners are folded over until a folded bottom or lid section of the bulk goods container is formed.
- a bottom and / or lid area is preferably folded by the following further method steps (cf. FIG. 3a):
- a first fold marking 41 is made on the two fabric layers 20.1, 20.2 over the entire width of the flat web 30 produced, namely at a distance from the lower edge 31 corresponding to half the width of the flat web 30.
- a second and third fold mark 43, 44 are produced starting from the center of the lower edge 31 to the respective intersection of the first fold mark 41 with a side edge 32, 33 of the flat web 30.
- the fabric is folded over along the second and third fold markings 43, 44.
- the side edge sections 32.1, 33.1 lie against the first fold marking 41 in the interior of the double-layer flat web 30.
- a configuration is produced which is shown in FIG. 3b and has clearly visible triangular regions 45, 46. These are folded in about half so that their corners 46, 47 rest in the area of the first fold marking 41 and the initial state shown in FIG. 3c is reached.
- FIG. 4 shows a finished bulk goods container 100, which is provided with carrying loops 60.
- the welding tabs 61 of the loops 60 are each fanned out; the individual compartments are welded to the side walls so that they are arranged approximately along the expected force curve.
- Laser beam welding with a printed energy conversion medium enables a large number of complex seam courses to be provided, including the fanned-out welding tabs. The production costs are not increased since the energy conversion means can be printed on for all seam areas in one work step and the welding by means of a laser beam can be automated by means of an electronic path control.
- FIG. 5a shows a further flat web 30, which has four-part circular recesses 26 at the corners of the lower edge 31. There is also a further semicircular recess 27, which is enclosed by the imprint of the energy conversion means 24.
- a bulk material container is then obtained in which the quarter and semicircular recesses 26; 27 to one in Fig. 5b complete circular recess 28 shown, to which filling or outlet aids can also be attached.
- At least one fabric blank 40 (cf. FIG. 6) is formed by recessing two asymmetrical trapezoidal sections 44 opposite one another in mirror image form on one edge.
- the fabric blank 40 thus obtained has at least:
- Either a fabric tube can be processed accordingly, or four identical fabric blanks 40 are combined. If a fabric hose is provided with recesses 44, an endless hose body is retained in the side wall area. In both cases, in the preferred embodiment according to FIG. 7, a fabric blank 40 is folded over in the seam region 25. The folded short end is welded, as this minimizes the peeling effect on the weld seams. With the method according to the invention, the weld seam on the concealed folded seam region can be carried out by irradiating a laser 10 from the easily accessible outside. The laser beam 11 passes through through the outer fabric layers until it meets the energy conversion means 24 and there causes the overlapping fabric sections 40 to fuse.
- Fig. 8 shows a hergestell- of four tissue blanks 40 th bulk container 100 ⁇ .
- the side wall areas 42 are connected to one another in edge-side seam areas 25, which are each indicated by a dashed line in the figure, so that an approximately cuboid but flexible container results in the side wall area 42, which goes down through the interconnected trapezoidal bottom areas 43 and is limited at the top by the interconnected trapezoidal cover areas 45.
- this bulk container 100 ⁇ is completed by mechanically moving the laser with only four seam lines 25, while a similar bulk container manufactured according to the prior art had to be formed, for example, by manually sewing 20 individual blanks on 36 individual seams.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- Toxicology (AREA)
- Textile Engineering (AREA)
- Plasma & Fusion (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Laser Beam Processing (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2002338831A AU2002338831A1 (en) | 2001-09-29 | 2002-09-28 | Method for the production of a flexible bulk-material container and bulk-material container produced according to said method |
US10/491,062 US20050041893A1 (en) | 2001-09-29 | 2002-09-28 | Method for the production of a flexible bulk-material container and bulk-material container produced according to said method |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01123507.4 | 2001-09-29 | ||
EP20010123507 EP1297944B1 (de) | 2001-09-29 | 2001-09-29 | Verfahren zum Laserdurchstrahlschweissen von Kunststoffteilen |
EP01123553.8 | 2001-10-01 | ||
EP01123553A EP1298075B1 (de) | 2001-10-01 | 2001-10-01 | Verfahren zum Herstellen eines flexiblen Schüttgutbehälters und danach hergestellte Schüttgutbehälter |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2003029109A2 true WO2003029109A2 (de) | 2003-04-10 |
WO2003029109A3 WO2003029109A3 (de) | 2003-09-12 |
Family
ID=26076729
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2002/010923 WO2003029109A2 (de) | 2001-09-29 | 2002-09-28 | Verfahren zum herstellen eines flexiblen schüttgutbehälters und danach hergestellte schüttgutbehälter |
Country Status (3)
Country | Link |
---|---|
US (1) | US20050041893A1 (de) |
AU (1) | AU2002338831A1 (de) |
WO (1) | WO2003029109A2 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7517307B2 (en) | 2005-01-21 | 2009-04-14 | Kraft Foods Global Brands Llc | Method of assembling a carton blank into a carton |
DE102016103060A1 (de) * | 2016-02-22 | 2017-08-24 | Evosys Laser GmbH | Verfahren zum Schweißen einer Verbindung zwischen einer ersten Fügefläche eines ersten Formteils und einer zweiten Fügefläche eines zweiten Formteils und zugehörige Vorrichtung |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT505283B1 (de) * | 2007-02-05 | 2008-12-15 | Starlinger & Co Gmbh | Verfahren zum herstellen von bahnabschnitten aus flexiblem bahnmaterial sowie zum herstellen von verpackungsbehältern |
EP2125575A1 (de) * | 2007-03-01 | 2009-12-02 | Isbir Sentetik Dokuma Sanayi Anonim Sirketi | Leicht herzustellende, flexible und praktische schüttgutbehälter |
BRPI0816197B1 (pt) * | 2007-09-05 | 2018-12-18 | Albany Int Corp | método de solda de parte de tecido industrial e costura. |
CA2645464A1 (en) * | 2007-11-30 | 2009-05-30 | Gordon Hogan | Heat reservoir |
EP2343179B1 (de) * | 2010-01-12 | 2014-11-12 | TWE Group GmbH | Ultraschall- und Laserschweißen in der Rohrsanierung |
EP2644311A1 (de) * | 2012-03-27 | 2013-10-02 | Nexans | Verfahren zum Schweißen mittels eines Lasers |
US20140307983A1 (en) * | 2013-04-15 | 2014-10-16 | Dennis Limbaugh | Bulk material transport & storage bag |
CN109641559A (zh) * | 2016-09-05 | 2019-04-16 | 河西工业株式会社 | 汽车用内饰部件 |
EP3456639A1 (de) * | 2017-09-19 | 2019-03-20 | Borregaard AS | Kompaktes system zur verpackung von mikrofibrillierter cellulose |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4473432A (en) * | 1983-02-04 | 1984-09-25 | Harold Leader | Dot heat stapling |
EP0180379A2 (de) * | 1984-10-29 | 1986-05-07 | Imperial Chemical Industries Plc | Intermediäre Behälter für Schüttgut |
US4597102A (en) * | 1984-06-20 | 1986-06-24 | Nattrass-Hickey & Sons, Ltd. | Intermediate bulk container |
FR2634468A1 (fr) * | 1988-07-20 | 1990-01-26 | Fabrication Materiel Emballage | Sac pour produits divises ou pulverulents |
WO1997047796A1 (en) * | 1996-06-11 | 1997-12-18 | Akzo Nobel N.V. | Grid comprising polymeric drawn strips and a process for making same |
US5873498A (en) * | 1996-06-14 | 1999-02-23 | Quality Rail Services, L.C. | Railway locomotive fuel service truck |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3574031A (en) * | 1967-03-24 | 1971-04-06 | Heller William C Jun | Method of heat welding thermoplastic bodies using a stratum of susceptor material |
US4480766A (en) * | 1982-09-24 | 1984-11-06 | Ibc Transport Containers, Ltd. | Bulk transport bag |
US4781475A (en) * | 1987-11-10 | 1988-11-01 | Custom Packaging Systems, Inc. | Reinforced bulk bag |
AT400831B (de) * | 1994-05-04 | 1996-03-25 | Starlinger & Co Gmbh | Sack aus polymer-, insbesondere polyolefingewebe und verfahren zu seiner herstellung |
US5865540A (en) * | 1997-02-06 | 1999-02-02 | Super Sack Mfg. Corp. | One piece flexible intermediate bulk container and process for manufacturing same |
US5924796A (en) * | 1997-02-06 | 1999-07-20 | Super Sack Manufacturing Corp. | One piece flexible intermediate bulk container and process for manufacturing same |
DE29818049U1 (de) * | 1998-11-13 | 1999-05-12 | Eurea Verpackungsgesellschaft | Flexibler Transportbehälter |
US6244443B1 (en) * | 1999-09-03 | 2001-06-12 | B.A.G. Corporation | Octagon shaped stackable flexible intermediate bulk container and method of manufacture |
US6527445B2 (en) * | 2001-05-02 | 2003-03-04 | Scholle Corporation | Liners or bags and method of making them |
-
2002
- 2002-09-28 AU AU2002338831A patent/AU2002338831A1/en not_active Abandoned
- 2002-09-28 WO PCT/EP2002/010923 patent/WO2003029109A2/de not_active Application Discontinuation
- 2002-09-28 US US10/491,062 patent/US20050041893A1/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4473432A (en) * | 1983-02-04 | 1984-09-25 | Harold Leader | Dot heat stapling |
US4597102A (en) * | 1984-06-20 | 1986-06-24 | Nattrass-Hickey & Sons, Ltd. | Intermediate bulk container |
EP0180379A2 (de) * | 1984-10-29 | 1986-05-07 | Imperial Chemical Industries Plc | Intermediäre Behälter für Schüttgut |
FR2634468A1 (fr) * | 1988-07-20 | 1990-01-26 | Fabrication Materiel Emballage | Sac pour produits divises ou pulverulents |
WO1997047796A1 (en) * | 1996-06-11 | 1997-12-18 | Akzo Nobel N.V. | Grid comprising polymeric drawn strips and a process for making same |
US5873498A (en) * | 1996-06-14 | 1999-02-23 | Quality Rail Services, L.C. | Railway locomotive fuel service truck |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7517307B2 (en) | 2005-01-21 | 2009-04-14 | Kraft Foods Global Brands Llc | Method of assembling a carton blank into a carton |
DE102016103060A1 (de) * | 2016-02-22 | 2017-08-24 | Evosys Laser GmbH | Verfahren zum Schweißen einer Verbindung zwischen einer ersten Fügefläche eines ersten Formteils und einer zweiten Fügefläche eines zweiten Formteils und zugehörige Vorrichtung |
US11673342B2 (en) | 2016-02-22 | 2023-06-13 | Evosys Laser GmbH | Method for welding a connection between a first joining surface of a first molded part and a second joining surface of a second molded part |
Also Published As
Publication number | Publication date |
---|---|
WO2003029109A3 (de) | 2003-09-12 |
AU2002338831A1 (en) | 2003-04-14 |
US20050041893A1 (en) | 2005-02-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69726220T2 (de) | Seitenfaltbeutel mit Reissverschluss sowie Verfahren zu seiner Herstellung | |
WO2005110878A1 (de) | Standbodenbeutel | |
WO1995030598A1 (de) | Sack aus polymer-, insbesondere polyolefingewebe und verfahren zu seiner herstellung | |
EP2302117B1 (de) | Transportsack und Verfahren zur Herstellung eines Transportsacks | |
EP2845820B1 (de) | Seitenfaltenbeutel aus einem Kunststoffgewebeverbund | |
WO2003029109A2 (de) | Verfahren zum herstellen eines flexiblen schüttgutbehälters und danach hergestellte schüttgutbehälter | |
CH699121A1 (de) | Verfahren zur Herstellung eines Verpackungsbeutels. | |
DE69722265T2 (de) | Behälterinliner | |
CH627701A5 (en) | Method for producing a tubular, transversely divided web of film, and use thereof, and device for continuously carrying out the method | |
EP2504150B1 (de) | Verfahren zum verschliessen eines sackkörpers | |
EP0244674B1 (de) | Flüssigkeitspackung, Herstellung derselben und Kunststoffbahn zur Herstellung der Flüssigkeitspackung | |
EP1298075B1 (de) | Verfahren zum Herstellen eines flexiblen Schüttgutbehälters und danach hergestellte Schüttgutbehälter | |
WO1996005986A1 (de) | Verfahren zur herstellung eines airbag-hohlkörpers | |
EP2673207B1 (de) | VERFAHREN ZUM VERSCHLIEßEN EINES SCHLAUCHFÖRMIGEN SACKKÖRPERS | |
EP1113966A1 (de) | Sack und verschliessverfahren für säcke | |
DE60003241T2 (de) | Tragezugbeutel mit tragegriff | |
DE2232799B2 (de) | Verpackungsbehaelter | |
DE2213908C2 (de) | Ventilsack | |
EP3450343B1 (de) | Kunststofftragetasche und halteschlaufe für eine kunststofftragetasche | |
DE2656804C3 (de) | Verfahren zum T- oder Stumpfschweißen von Schichtkörpern mit einer Innenschicht aus thermoplastischem Schaumkunststoff | |
CH433102A (de) | Ganzkunststoffbeutel mit Einfüllöffnung und Verfahren zu dessen Herstellung | |
DE3131867C2 (de) | ||
EP3875387B1 (de) | Kunststofffolien-bodenbeutel und dessen verwendung sowie zuschnitt für einen kunststofffolien-bodenbeutel | |
DE1479837B2 (de) | Tragbeutel und verfahren zu seiner herstellung | |
DE3020052A1 (de) | Mehrlagiger sack |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A2 Designated state(s): AE AG AL AM AU AZ BA BB BR BY CA CN CO CR CU DM DZ EC EE GD GH GM HR HU ID IL IN IS JP KE KG KR KZ LC LK LR LS LT LV MA MD MK MN MW MX MZ NO NZ OM PH RO RU SD SG SI SL TJ TM TN TT TZ UG US UZ VN YU ZA ZM |
|
AL | Designated countries for regional patents |
Kind code of ref document: A2 Designated state(s): GH GM KE LS MW MZ SD SL SZ UG ZM ZW AM AZ BY KG KZ RU TJ TM BF BJ CF CG CI CM GN GQ GW ML MR NE SN TD TG |
|
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
WWE | Wipo information: entry into national phase |
Ref document number: 10491062 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: JP |
|
WWW | Wipo information: withdrawn in national office |
Country of ref document: JP |