DE10211782A1 - Vliesfixierung - Google Patents

Vliesfixierung

Info

Publication number
DE10211782A1
DE10211782A1 DE10211782A DE10211782A DE10211782A1 DE 10211782 A1 DE10211782 A1 DE 10211782A1 DE 10211782 A DE10211782 A DE 10211782A DE 10211782 A DE10211782 A DE 10211782A DE 10211782 A1 DE10211782 A1 DE 10211782A1
Authority
DE
Germany
Prior art keywords
filter
filter material
holding device
holder
laser beam
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.)
Ceased
Application number
DE10211782A
Other languages
English (en)
Inventor
Klaus Arnegger
Robert Vaculik
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.)
Mann and Hummel GmbH
Original Assignee
Filterwerk Mann and Hummel 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 Filterwerk Mann and Hummel GmbH filed Critical Filterwerk Mann and Hummel GmbH
Priority to DE10211782A priority Critical patent/DE10211782A1/de
Priority to DE2002156565 priority patent/DE10256565A1/de
Publication of DE10211782A1 publication Critical patent/DE10211782A1/de
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • 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
    • 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
    • B29C66/13—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
    • B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged 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
    • B29C66/50—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
    • B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
    • B29C66/5344—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially annular, i.e. of finite length, e.g. joining flanges to tube ends
    • 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
    • B29C66/812—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 composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
    • B29C66/8126—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 composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps characterised by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
    • B29C66/81266—Optical properties, e.g. transparency, reflectivity
    • B29C66/81267—Transparent to electromagnetic radiation, e.g. to visible light
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4326—Condensation or reaction polymers
    • D04H1/435—Polyesters
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H13/00—Other non-woven fabrics
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/005—Synthetic yarns or filaments
    • D04H3/009—Condensation or reaction polymers
    • D04H3/011—Polyesters
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/14—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H5/00—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length
    • D04H5/06—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length strengthened or consolidated by welding-together thermoplastic fibres, filaments, or yarns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2265/00—Casings, housings or mounting for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2265/04—Permanent measures for connecting different parts of the filter, e.g. welding, glueing or moulding
    • 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
    • B29C66/303—Particular design of joint configurations the joint involving an anchoring effect
    • B29C66/3032—Particular design of joint configurations the joint involving an anchoring effect making use of protrusions or cavities belonging to at least one of the parts to be joined
    • B29C66/30325—Particular design of joint configurations the joint involving an anchoring effect making use of protrusions or cavities belonging to at least one of the parts to be joined making use of cavities belonging to at least one of the parts to be joined
    • B29C66/30326—Particular design of joint configurations the joint involving an anchoring effect making use of protrusions or cavities belonging to at least one of the parts to be joined making use of cavities belonging to at least one of the parts to be joined in the form of porosity
    • 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
    • B29C66/7294—Non woven mats, e.g. felt
    • 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
    • B29C66/737—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 state of the material of the parts to be joined
    • B29C66/7377—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 state of the material of the parts to be joined amorphous, semi-crystalline or crystalline
    • B29C66/73773—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 state of the material of the parts to be joined amorphous, semi-crystalline or crystalline the to-be-joined area of at least one of the parts to be joined being semi-crystalline
    • 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
    • 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
    • B29C66/812—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 composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
    • B29C66/8122—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 composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps characterised by the composition of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
    • 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
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/06—PE, i.e. polyethylene
    • 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
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/10—Polymers of propylene
    • B29K2023/12—PP, i.e. polypropylene
    • 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
    • B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
    • 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
    • B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
    • B29K2067/006—PBT, i.e. polybutylene terephthalate
    • 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
    • B29K2077/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material
    • 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
    • B29K2101/00—Use of unspecified macromolecular compounds as moulding material
    • B29K2101/12—Thermoplastic materials
    • 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
    • B29K2909/00—Use of inorganic materials not provided for in groups B29K2803/00 - B29K2807/00, as mould material
    • B29K2909/08—Glass
    • 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
    • B29L2012/00—Frames
    • 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
    • B29L2031/14—Filters
    • 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
    • B29L2031/48—Wearing apparel
    • B29L2031/4871—Underwear
    • B29L2031/4878—Diapers, napkins
    • 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
    • B29L2031/737—Articles provided with holes, e.g. grids, sieves

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Filtering Materials (AREA)

Abstract

Es wird ein Verfahren zum Befestigen eines Filtermaterials auf einer Haltevorrichtung vorgestellt. Dabei wird zunächst das Filtermaterial auf die Halteeinrichtung aufgelegt. DOLLAR A Anschließend wird das Filtermaterial durch eine Niederhalteeinrichtung fixiert. Niederhalteeinrichtung und Filtermaterial werden dann mit einem Laserstrahl durchstrahlt, und die Halteeinrichtung wird in der Fügezone aufgeschmolzen. Dabei durchdringt die Schmelze das Filtermaterial und beim Abkühlenlassen der Anordnung verkrallt sich das Filtermaterial mit der Halteeinrichtung.

Description

    Gebiet der Erfindung
  • Die vorliegende Erfindung betrifft allgemein die Filtration von Gasen und Flüssigkeiten durch Filtermaterialien. Insbesondere betrifft die Erfindung eine solche Filtration mittels Polymer- Vliesen. Ganz speziell betrifft die Erfindung die Befestigung eines solchen Vlieses an einer Halteeinrichtung.
  • Hintergrund der Erfindung, Stand der Technik
  • Polymer-Vliese, insbesondere solche auf der Basis von Polyestern, werden zur Filtration von Gasen und Flüssigkeiten eingesetzt. Zur besseren Handhabung muss das Vlies hierbei in der Regel mit einer Halteeinrichtung, bspw. einem Rahmen, verbunden werden. Dabei kommen Klebungen oder aufwendige Klemmungen zum Einsatz. Beim Einsatz von konventionellen Schweißverfahren, wie bspw. Ultraschall, besteht die Gefahr, das Vlies durchzuschweißen, so dass Löcher entstehen können.
  • Zusammenfassung der Erfindung
  • Es ist daher die Aufgabe der Erfindung, ein Verfahren bereit zu stellen, das es erlaubt, auf einfache Art und Weise ein Filtermaterial auf einer Halteeinrichtung zu fixieren.
  • Eine weitere Aufgabe der Erfindung liegt darin, die Fixierung so durchzuführen, dass dabei das Filtermaterial nicht beschädigt wird.
  • Diese und weitere Aufgaben werden durch das Verfahren nach Anspruch 1 und die Vorrichtung nach Anspruch 13 gelöst.
  • Weitere vorteilhafte Ausgestaltungen sind in den Unteransprüchen enthalten.
    • Kurze Beschreibung der Zeichnung
  • Die Erfindung wird im folgenden anhand der Zeichnung näher erläutert. Dabei zeigt die einzige Figur schematisch das erfindungsgemäße Verfahren.
    • Detaillierte Beschreibung der Ausführungsbeispiele
  • Erfindungsgemäß wird vorgeschlagen, das verwendete Filtermaterial, bspw. ein Polymer-Vlies durch einen Laserschweißvorgang auf einer Halteeinrichtung, bspw. einem Kunststoffrahmen, zu fixieren. Die Figur zeigt, dass hierbei die Vlieslage 2 zwischen einem für Laserstrahlung transparenten Niederhalter 4 und dem Rahmen 6, mit dem es verbunden werden soll, bevorzugt durch Verpressung eingespannt wird. Der transparente Niederhalter besteht vorzugsweise aus Glas, es kann aber auch jedes andere für Laserstrahlung transparente Material verwendet werden, so dass möglichst wenig Strahlungsenergie verloren geht.
  • Anschließend wird ein Laserstrahl 8 durch den transparenten Niederhalter 4 in die Fügezone 10, d. h., den Kontaktbereich, in dem die Fügeteile aufgeschmolzen werden, eingeleitet, der das Kunststoffmaterial des Rahmens aufschmilzt, wobei dieser die Energie des Laserstrahls absorbiert. Der Prozess wird dabei so geführt, dass nur eine unwesentliche Aufschmelzung des Vliesmaterials 2 eintritt. Dies wird durch eine entsprechende Materialwahl, d. h., durch eine Abstimmung der Schmelzpunkte bzw. der Absorptionskoeffizienten im Infrarotbereich, erreicht. Die Schmelzpunkte müssen dabei in etwa gleich sein, d. h., die Differenz sollte weniger als 10 K betragen. Das durchstrahlte Material ist IR-transparent, d. h., es soll möglichst wenig Absorption und Reflexion auftreten. Als Material können bspw. bevorzugt teilkristalline Thermoplaste, wie z. B. PA 6.6, PBT, PP, PE, etc. zum Einsatz kommen.
  • Durch die Schmelzebildung 3 wird das Vliesmaterial 2 wenigstens zum Teil erfasst, d. h., das Vlies wird von der Schmelze durchdrungen und gelangt an die Oberfläche, so dass eine Verbindung entsteht, und nach dem Abkühlen auf dem Kunststoffrahmen fixiert, indem sich das Vliesmaterial mit dem Kunststoff verkrallt. Da in der Schmelzzone kein wesentlicher Druck aufgebracht wird, kommt es zur Wärmeausdehnung des absorbierenden Materials, was den Verkrallungseffekt erhöht.
  • Durch das erfindungsgemäße Verfahren gelingt es, eine Befestigung des Vliesmaterials am Rahmen zu erreichen, ohne dass ein zusätzlicher Klebstoff notwendig ist. Zudem kann die Befestigung des Vlies und das Verschweißen des Filtergehäuses in einer Anlage erfolgen, was Kosteneinsparungen zur Folge hat.
  • Das erfindungsgemäße Verfahren kann insbesondere bei der Herstellung von Innenraumfiltern, Luftfiltern und Getriebeölfiltern angewendet werden. Es ist jedoch nicht auf diese Anwendungen beschränkt, sondern kann grundsätzlich überall dort angewendet werden, wo die Befestigung von Vliesen erwünscht ist, bspw. in Hygieneartikeln wie Babywindeln oder bei der Verwendung von Vliesen und Membranen in Sportkleidung.
  • Zunächst wird das Filtermaterial auf die Halteeinrichtung aufgelegt. Anschließend erfolgt die Fixierung durch den IR- transparenten Niederhalter. In einem weiteren Schritt werden der Niederhalter und das Vlies mit einem Laserstrahl durchstrahlt. Anschließend wird die Halteeinrichtung in der Fügezone aufgeschmolzen und die Schmelze durchdringt das Vlies. Bei der Abkühlung entsteht dann eine innige Verbindung zwischen Halteeinrichtung und Vlies.
  • Bei der Windelherstellung wird bspw. für die Folienanlage zunächst eine extrudierte absorbierende Folie für die Außenhaut bereit gestellt. Anschließend wird eine Zwischenlage aus Zellstoff eingelegt und die Vliesbahn als Oberflächenschicht zugeführt. Nach dem Verpressen der Kontur wird mit einem Laserstrahl nach dem erfindungsgemäßen Verfahren verschweißt, die Windeln werden zugeschnitten und verpackt.

Claims (15)

1. Verfahren zum Befestigen eines Filtermaterials (2) auf einer Halteeinrichtung (6), gekennzeichnet durch folgende Schritte:
a) Auflegen des Filtermaterials (2) auf die Halteeinrichtung (6);
b) Fixieren des Filtermaterials (2) durch eine Niederhalteeinrichtung (4);
c) Durchstrahlen von Niederhalteeinrichtung (4) und Filtermaterial (2) mit einem Laserstrahl;
d) Aufschmelzen der Halteeinrichtung (6) in der Fügezone (10);
e) Durchdringen des Filtermaterials (2) mit der Schmelze; und
f) Abkühlenlassen der Anordnung.
2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass es sich bei dem Filtermaterial (2) um ein Polymervlies handelt.
3. Verfahren nach Anspruch 2, dadurch gekennzeichnet, dass es sich bei dem Filtermaterial (2) um ein Polymer auf Basis von Polyestern handelt.
4. Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Niederhalteeinrichtung (4) IR- transparent ist.
5. Verfahren nach Anspruch 4, dadurch gekennzeichnet, dass die Niederhalteeinrichtung (4) aus Glas besteht.
6. Verfahren nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die Halteeinrichtung (6) aus einem thermoplastischen Material besteht, das das Laserlicht absorbiert.
7. Verfahren nach Anspruch 6, dadurch gekennzeichnet, dass es sich bei der Halteeinrichtung (6) um einen Kunststoffrahmen handelt.
8. Verfahren nach Anspruch 6, dadurch gekennzeichnet, dass das thermoplastische Material einen hohen Absorptionskoeffizienten aufweist.
9. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass das Filtermaterial (2) einen hohen Transmissionsgrad aufweist.
10. Verfahren nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die Halteeinrichtung (6) durch die Laserleistung aufgeschmolzen wird.
11. Verfahren nach Anspruch 11, dadurch gekennzeichnet, dass sich das Filtermaterial (2) beim Abkühlen nach dem Aufschmelzen der Halteeinrichtung (6) mit dieser verkrallt.
12. Verfahren nach Anspruch 11, dadurch gekennzeichnet, dass das absorbierende Material aufgeschäumt wird.
13. Vorrichtung bestehend aus einem auf einer Halteeinrichtung (6) befestigten Filtermaterial (2), dadurch gekennzeichnet, dass das Filtermaterial (2) durch Laserschweißen mit der Halteeinrichtung (6) verbunden ist.
14. Verwendung der Vorrichtung nach Anspruch 13 als Innenraum-, Luft- oder Getriebeölfilter.
15. Verwendung des Verfahrens nach einem der Ansprüche 1 bis 12 zur Herstellung von Hygieneartikeln und Sportbekleidung.
DE10211782A 2002-03-16 2002-03-16 Vliesfixierung Ceased DE10211782A1 (de)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005039861A2 (en) * 2003-10-24 2005-05-06 Coloplast A/S An ostomy mounting wafer and a method of preparing it
DE102004008264A1 (de) * 2004-02-20 2005-09-01 Mann + Hummel Gmbh Verfahren zur Herstellung einer dichten Verbindung zwischen einem mehrschichtigen Kunststoffmaterial und einem Filtermedium
EP1700684A1 (de) * 2005-03-11 2006-09-13 MANN+HUMMEL GmbH Verfahren zur Herstellung einer dichten Verbindung zwischen einem mehrschichtigen Kunststoffmaterial und einem Filtermedium
DE102005040417A1 (de) * 2005-08-25 2007-03-01 Mann + Hummel Gmbh Endscheibe
WO2007054262A1 (de) * 2005-11-11 2007-05-18 Carl Freudenberg Kg Laserschweissverfahren und damit hergestelltes filterelement
DE102011122348A1 (de) * 2011-12-23 2013-06-27 Hydac Filtertechnik Gmbh Verfahren zum Herstellen einer mediendurchlässigen Hülle sowie Filterelement mit einer solchen Hülle
EP2810772A1 (de) * 2013-06-07 2014-12-10 Leister Technologies AG Wasserdampfdurchlässiges wasserdichtes Textillaminat und Verfahren zu dessen Herstellung
DE102013110110A1 (de) * 2013-09-13 2015-03-19 August Braun Anputzleiste, Abschlussschiene und Putz-Eckleiste und Verfahren zum Herstellen derselben
DE102014108405A1 (de) 2014-06-16 2015-12-17 Sartorius Stedim Biotech Gmbh Vorrichtung mit einem Gehäuseunterteil und mit einem Filter sowie einem Verfahren zur Herstellung
WO2015193235A1 (de) 2014-06-16 2015-12-23 Sartorius Stedim Biotech Gmbh VERFAHREN ZUM VERBINDEN EINES ERSTEN KUNSTSTOFFTEILES MIT EINEM ZWEITEN KUNSTSTOFFTEIL DURCH LASERSCHWEIßEN

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DE19717876A1 (de) * 1996-04-30 1997-11-06 Moelnlycke Ab Flüssigkeitsdurchlässige Mantellage für absorbierende Hygieneartikel
DE19860357A1 (de) * 1998-10-22 2000-04-27 Ibs Filtran Kunststoff Metall Laserschweißverfahren für Automatikgetriebeölfilter
DE10058251A1 (de) * 1999-12-13 2001-08-23 Ulrich Weise Verfahren zum Verbinden eines Filtermediums mit einem Grundkörper

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US4636609A (en) * 1984-04-10 1987-01-13 Toyota Jidosha Kabushiki Kaisha Process for joining different kinds of synthetic resins
DE19717876A1 (de) * 1996-04-30 1997-11-06 Moelnlycke Ab Flüssigkeitsdurchlässige Mantellage für absorbierende Hygieneartikel
DE19860357A1 (de) * 1998-10-22 2000-04-27 Ibs Filtran Kunststoff Metall Laserschweißverfahren für Automatikgetriebeölfilter
DE10058251A1 (de) * 1999-12-13 2001-08-23 Ulrich Weise Verfahren zum Verbinden eines Filtermediums mit einem Grundkörper

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7935095B2 (en) 2003-10-24 2011-05-03 Coloplast A/S Ostomy mounting wafer and a method of preparing it
WO2005039861A3 (en) * 2003-10-24 2005-06-02 Coloplast As An ostomy mounting wafer and a method of preparing it
DK176243B1 (da) * 2003-10-24 2007-04-16 Coloplast As En stomipåsætningsplade og en fremgangsmåde til frembringelse heraf
WO2005039861A2 (en) * 2003-10-24 2005-05-06 Coloplast A/S An ostomy mounting wafer and a method of preparing it
DE102004008264A1 (de) * 2004-02-20 2005-09-01 Mann + Hummel Gmbh Verfahren zur Herstellung einer dichten Verbindung zwischen einem mehrschichtigen Kunststoffmaterial und einem Filtermedium
EP1700684A1 (de) * 2005-03-11 2006-09-13 MANN+HUMMEL GmbH Verfahren zur Herstellung einer dichten Verbindung zwischen einem mehrschichtigen Kunststoffmaterial und einem Filtermedium
DE102005040417A1 (de) * 2005-08-25 2007-03-01 Mann + Hummel Gmbh Endscheibe
US8029589B2 (en) 2005-11-11 2011-10-04 Carl Freudenberg Kg Laser welding method and filter element produced by it
WO2007054262A1 (de) * 2005-11-11 2007-05-18 Carl Freudenberg Kg Laserschweissverfahren und damit hergestelltes filterelement
DE102011122348A1 (de) * 2011-12-23 2013-06-27 Hydac Filtertechnik Gmbh Verfahren zum Herstellen einer mediendurchlässigen Hülle sowie Filterelement mit einer solchen Hülle
EP2810772A1 (de) * 2013-06-07 2014-12-10 Leister Technologies AG Wasserdampfdurchlässiges wasserdichtes Textillaminat und Verfahren zu dessen Herstellung
CN104228167A (zh) * 2013-06-07 2014-12-24 莱丹科技股份公司 可渗透水蒸气的防水的织物层合件和其生产方法
CN104228167B (zh) * 2013-06-07 2017-01-18 莱丹科技股份公司 可渗透水蒸气的防水的织物层合件和其生产方法
DE102013110110A1 (de) * 2013-09-13 2015-03-19 August Braun Anputzleiste, Abschlussschiene und Putz-Eckleiste und Verfahren zum Herstellen derselben
DE102014108405A1 (de) 2014-06-16 2015-12-17 Sartorius Stedim Biotech Gmbh Vorrichtung mit einem Gehäuseunterteil und mit einem Filter sowie einem Verfahren zur Herstellung
WO2015193234A1 (de) * 2014-06-16 2015-12-23 Sartorius Stedim Biotech Gmbh Vorrichtung mit einem gehäuseunterteil und mit einem filter sowie einem verfahren zur herstellung
WO2015193235A1 (de) 2014-06-16 2015-12-23 Sartorius Stedim Biotech Gmbh VERFAHREN ZUM VERBINDEN EINES ERSTEN KUNSTSTOFFTEILES MIT EINEM ZWEITEN KUNSTSTOFFTEIL DURCH LASERSCHWEIßEN
DE102014108404B4 (de) 2014-06-16 2018-08-09 Sartorius Stedim Biotech Gmbh Verfahren zum Verbinden eines ersten Kunststoffteiles mit einem zweiten Kunststoffteil durch Laserschweißen

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