EP1333120B1 - Tissu pour papeterie, en particulier feutre de presse - Google Patents

Tissu pour papeterie, en particulier feutre de presse Download PDF

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Publication number
EP1333120B1
EP1333120B1 EP20020002433 EP02002433A EP1333120B1 EP 1333120 B1 EP1333120 B1 EP 1333120B1 EP 20020002433 EP20020002433 EP 20020002433 EP 02002433 A EP02002433 A EP 02002433A EP 1333120 B1 EP1333120 B1 EP 1333120B1
Authority
EP
European Patent Office
Prior art keywords
paper machine
machine clothing
clothing according
monofilaments
helically
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.)
Expired - Lifetime
Application number
EP20020002433
Other languages
German (de)
English (en)
Other versions
EP1333120A1 (fr
Inventor
Stefan Körfer
Dieter Telgmann
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.)
Heimbach GmbH and Co KG
Original Assignee
Thomas Josef Heimbach and Co 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 Thomas Josef Heimbach and Co GmbH filed Critical Thomas Josef Heimbach and Co GmbH
Priority to DE50201402T priority Critical patent/DE50201402D1/de
Priority to EP20020002433 priority patent/EP1333120B1/fr
Priority to CA002416961A priority patent/CA2416961C/fr
Priority to US10/355,117 priority patent/US6875314B2/en
Publication of EP1333120A1 publication Critical patent/EP1333120A1/fr
Application granted granted Critical
Publication of EP1333120B1 publication Critical patent/EP1333120B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/0027—Screen-cloths
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F7/00—Other details of machines for making continuous webs of paper
    • D21F7/08—Felts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S162/00—Paper making and fiber liberation
    • Y10S162/90—Papermaking press felts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249922—Embodying intertwined or helical component[s]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2922—Nonlinear [e.g., crimped, coiled, etc.]
    • Y10T428/2925—Helical or coiled
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2973—Particular cross section
    • Y10T428/2976—Longitudinally varying
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3065—Including strand which is of specific structural definition
    • Y10T442/3089—Cross-sectional configuration of strand material is specified
    • Y10T442/3098—Cross-sectional configuration varies longitudinaly along the strand
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3065—Including strand which is of specific structural definition
    • Y10T442/3089—Cross-sectional configuration of strand material is specified
    • Y10T442/3114—Cross-sectional configuration of the strand material is other than circular
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3065—Including strand which is of specific structural definition
    • Y10T442/3089—Cross-sectional configuration of strand material is specified
    • Y10T442/3114—Cross-sectional configuration of the strand material is other than circular
    • Y10T442/3122—Cross-sectional configuration is multi-lobal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/40—Knit fabric [i.e., knit strand or strip material]

Definitions

  • the invention relates to a paper machine clothing, in particular a press felt, with a carrier and with threads, which as profiled monofilaments with one by one circular cross-section deviating profile are, with profiled monofilaments are present that are helically profiled.
  • Paper machine clothing is circulating in paper machines Tapes of great length and width, that of training and guiding the paper web through the paper machine serve. Their structure depends heavily on what part the paper machine they are used. In the first two sections of a paper machine, the sheet forming section and the press section, the paper machine clothing be designed so that the paper web as possible is well drained so that the energy expenditure for thermal drying in the subsequent dryer section remains low. The drainage happens through the paper machine clothing, i.e. she must be so constructed that the one coming from the paper web Liquid as efficiently as possible to the other side of the Paper machine clothing is transported.
  • the threads that make up the textile backing have in usually a circular cross section.
  • For certain Purposes are also rectangular, flat threads in cross section used.
  • there are a number of suggestions for other cross-sectional shapes of threads for the Carriers of paper machine clothing or the fibers of non-woven pads, some of which are highly profiled are (DE-A-40 31 608; US-A-5,361,808; DE-A-195 45 386; US-A-5,591,525; EP-A-1 067 239; DE-A-199 00 989; EP-A-0 995 835).
  • the profiling of these threads or fibers from a wide variety Establish. Common to all threads or fibers is that Profile is elongated, i.e. in the axis of the extends each thread.
  • GB-A-1 053 282 and US-A-3,158,984 proposed profiled monofilaments to use different cross-sectional shapes which are twisted helically so that there is a helical profiling results.
  • the Monofilaments twisted independently of each other around their longitudinal axis and fixed in this state within the carrier.
  • the invention has for its object a paper machine clothing of the type mentioned at the outset, that good drainage properties at easier Manufacturing can be achieved.
  • This object is achieved in that the helical profile of the profiled monofilament has already been imprinted during their manufacture and therefore free of torsional stress in the paper machine clothing available.
  • Basic idea of the invention So it is to use monofilament for the wearer helical profiling during manufacture, for example in the case of extrusion by appropriate Nozzle shapes or during subsequent stretching has been so that the monofilaments in the carrier are tension-free available.
  • Such monofilaments can be the helical profile very precisely produce. Due to the torsion-free condition do not change their shape in the company. It will So even and good drainage properties over the surface achieved, the manufacture of the Carrier with the preformed monofilaments in the usual way can happen. The individual twist required in the prior art the monofilament is eliminated.
  • helically profiled monofilaments can also influence the pore volume and thus the Drainage capacity can be taken. Conveniently, should be at least 30% of the lengthways and / or in Transversely extending threads profiled helically Be monofilament, with all longitudinal and / or Cross threads such monofilaments can be.
  • a thread made of a material, in particular polyvinyl alcohol form that in a solvent, preferably Water, is soluble, in which the helically profiled Monofilament and the spun yarn not soluble are.
  • This soluble thread can be introduced into the paper machine clothing through a treatment with be dissolved out of the solvent, whereby an additional free volume in the paper machine clothing is formed.
  • pore volumes is generally known (see US-A-4,482,601; EP-B-0 466 990; EP-B-0 413 869; EP-A-0 565 206; WO 98/07925).
  • the threads should from the soluble material like this with the helical profiled monofilaments that they are spacers form between adjacent threads.
  • the helically profiled monofilaments do not have to Parts of the carrier of the paper machine clothing, but can also be outside of the carrier, for example run as filler threads or the like. Conveniently, but at the same time they form parts of the carrier, the carrier also being made entirely of such monofilaments can exist.
  • the carrier can be any type of thread structure be, for example a woven fabric, knitted fabric, scrim and / or Yarn sheet.
  • Network carriers can also be provided as carriers be with the helically profiled monofilaments are combined.
  • the carrier can be single layer or be constructed in multiple layers or also from several, carrier webs not interconnected by threads consist of either the same training or are also different.
  • the carrier can be made from a Woven, knitted and / or a network can be formed and additionally have a scrim or a group of threads.
  • the support is embedded in a fiber matrix by for example between at least two fiber layers is included, which are needled together.
  • the material of the helically profiled monofilament and possibly the staple fiber yarns can the usual materials for paper machine clothing be used. These are especially thermoplastic Polymers. Examples are polypropylene, polyamide 4.6, polyamide 6, polyamide 6.6, polyamide 6.10, polyamide 6.12, polyamide 11, polyamide 12, PET, PTT, PBT, PPS, PEK or PEEK. Elastomeric polyesters can also be used become.
  • the monofilament 1 shown in FIGS. 1 and 2 has one rotationally symmetrical cross section with a core 2 and a total of six webs projecting radially outwards - designated by way of example with 3 - which at their ends are spherically widened.
  • the webs 3 close between deep indentations - exemplified with 4 - a, which form grooves in the monofilament 1 over the length.
  • the profile of the monofilament 1 designed helically, so from its outer design twisted here in itself, so that the webs 3 and also the grooves formed by the egg arches 4 are helical run around the core 2 of the monofilament 1.
  • a monofilament 13 according to the invention is disclosed in FIG. that is only mirror symmetric. It has two opposite domes 14, 15 on both sides run out in thickenings 16, 17 of different shapes.
  • Figure 8 is a helically profiled monofilament 18, which is rotationally symmetrical and four bulges 19, 20 distributed over the circumference, 21, 22, the bulges 19, 20, 21, 22nd are connected via convex areas. This too There are groove-shaped depressions in the profile.
  • Figures 9 to 11 are more helically profiled Monofilaments 23, 24, 25 shown in cross section, with a regular pentagon (Figure 9), one Square ( Figure 10) and a triangle ( Figure 11). Also when connecting the corners or edges of these monofilaments 23, 24, 25 form straight lines, result from the helical Profile pore volumes and drainage channels.

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  • Paper (AREA)

Claims (22)

  1. Garniture de machine à papier, notamment feutre de presse comprenant un substrat et des fils réalisés sous la forme de monofilaments profilés (1, 5, 6, 7, 8, 13, 18, 23, 24, 25) munis d'un profil à section transversale autre que circulaire, sachant que sont prévus des monofilaments profilés (1, 5, 6, 7, 8, 13, 18, 23, 24, 25) à profil hélicoïdal, caractérisée par le fait que le profilage hélicoïdal a été empreint dans les monofilaments profilés (1, 5, 6, 7, 8, 13, 18, 23, 24, 25) dès le stade de leur fabrication, de sorte qu'ils sont présents, dans la garniture de machine à papier, à l'état exempt de contraintes de torsion.
  2. Garniture de machine à papier, selon la revendication 1, caractérisée par la présence de monofilaments (1, 5, 6, 7, 8, 13, 18, 23, 24, 25) à profil hélicoïdal présentant une section transversale ovale, trilobée, polygonale, carrée, rectangulaire, polylobée et/ou triangulaire.
  3. Garniture de machine à papier, selon la revendication 1 ou 2, caractérisée par la présence de monofilaments (1, 13) à profil hélicoïdal dont la section transversale comporte plusieurs indentations bombées (4, 14, 15) réparties sur le pourtour.
  4. Garniture de machine à papier, selon l'une des revendications 1 à 3, caractérisée par la présence de monofilaments (18) à profil hélicoïdal dont la section transversale comporte plusieurs bombements sortants (19, 20, 21, 22) répartis sur le pourtour.
  5. Garniture de machine à papier, selon les revendications 3 et 4, caractérisée par la présence de monofilaments à profil hélicoïdal dont la section transversale comporte, en alternance, des indentations bombées et des bombements sortants répartis sur le pourtour.
  6. Garniture de machine à papier, selon l'une des revendications 1 à 5, caractérisée par la présence de monofilaments à profil hélicoïdal, dont le profil présente des arêtes vives s'étendant hélicoïdalement.
  7. Garniture de machine à papier, selon l'une des revendications 1 à 6, caractérisée par la présence de monofilaments (1) à profil hélicoïdal, dont le profil présente des arêtes arrondies s'étendant hélicoïdalement.
  8. Garniture de machine à papier, selon l'une des revendications 1 à 7, caractérisée par le fait que le profil des monofilaments (1, 5, 6, 7, 8, 13, 18, 23, 24, 25) à profil hélicoïdal comprend de deux à quarante spires par segment de longueur de 10 cm.
  9. Garniture de machine à papier, selon l'une des revendications 1 à 8, caractérisée par le fait qu'au moins 30 % des fils s'étendant dans la direction longitudinale et/ou dans la direction transversale se présentent comme des monofilaments (1, 5, 6, 7, 8, 13, 18, 23, 24, 25) à profil hélicoïdal.
  10. Garniture de machine à papier, selon l'une des revendications 1 à 9, caractérisée par la présence de retors dans lesquels plusieurs monofilaments à profil hélicoïdal sont retordus ensemble, ou au moins un monofilament à profil hélicoïdal est retordu avec d'autres monofilaments et/ou multifilaments.
  11. Garniture de machine à papier, selon l'une des revendications 1 à 10, caractérisée par la présence de monofilaments à profil hélicoïdal, qui sont enroulés ou retordus avec un filé.
  12. Garniture de machine à papier, selon la revendication 11, caractérisée par le fait que les monofilaments à profil hélicoïdal, enroulés ou retordus avec un filé, sont agencés en juxtaposition avec étendue parallèle.
  13. Garniture de machine à papier, selon la revendication 11 ou 12, caractérisée par le fait que les monofilaments à profil hélicoïdal, enroulés ou retordus avec un filé, forment un retors comportant au moins un fil en un matériau, notamment en de l'alcool polyvinylique, qui est soluble dans un solvant dans lequel le monofilament à profil hélicoïdal et le filé ne sont pas solubles.
  14. Garniture de machine à papier, selon la revendication 13, caractérisée par le fait que les fils constitués du matériau soluble sont retordus, avec les monofilaments à profil hélicoïdal, de manière à former des éléments d'espacement entre des fils voisins.
  15. Garniture de machine à papier, selon l'une des revendications 1 à 14, caractérisée par le fait que des monofilaments (1, 5, 6, 7, 8, 13, 18, 23, 24, 25) à profil hélicoïdal constituent des parties du substrat de ladite garniture de machine à papier.
  16. Garniture de machine à papier, selon l'une des revendications 1 à 15, caractérisée par le fait que le substrat comprend au moins un tissu, un tricot, une structure plane, une nappe de fils et/ou un substrat réticulaire.
  17. Garniture de machine à papier, selon l'une des revendications 1 à 16, caractérisée par le fait que le substrat est de réalisation monocouche ou multicouches.
  18. Garniture de machine à papier, selon l'une des revendications 1 à 17, caractérisée par le fait que le substrat se compose de plusieurs bandes substrats non reliées ensemble par des fils.
  19. Garniture de machine à papier, selon l'une des revendications 1 à 18, caractérisée par le fait que le substrat est formé d'un tissu, d'un tricot et/ou d'un ensemble réticulaire, et est additionnellement pourvu d'une structure plane ou d'une nappe de fils.
  20. Garniture de machine à papier, selon l'une des revendications 1 à 19, caractérisée par le fait que le substrat est noyé dans une matrice fibreuse.
  21. Garniture de machine à papier, selon la revendication 20, caractérisée par le fait que le substrat est enchâssé entre au moins deux couches de fibres.
  22. Garniture de machine à papier, selon l'une des revendications 1 à 21, caractérisée par le fait que les monofilaments (1, 5, 6, 7, 8, 13, 18, 23, 24, 25) à profil hélicoïdal, et éventuellement les filés, sont constitués d'un polymère thermoplastique tel que du polypropylène, du polyamide 4.6, du polyamide 6, du polyamide 6.6, du polyamide 6.10, du polyamide 6.12, du polyamide 11, du polyamide 12, du PET, du PTT, du PBT, du PPS, du PEK, du PEEK, ou d'un polyester élastomère.
EP20020002433 2002-02-01 2002-02-01 Tissu pour papeterie, en particulier feutre de presse Expired - Lifetime EP1333120B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE50201402T DE50201402D1 (de) 2002-02-01 2002-02-01 Papiermaschinenbespannung, insbesondere Pressfilz
EP20020002433 EP1333120B1 (fr) 2002-02-01 2002-02-01 Tissu pour papeterie, en particulier feutre de presse
CA002416961A CA2416961C (fr) 2002-02-01 2003-01-22 Habillage de machine a papier, notamment, feutre de presse
US10/355,117 US6875314B2 (en) 2002-02-01 2003-01-31 Paper machine clothing, particularly a press felt

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20020002433 EP1333120B1 (fr) 2002-02-01 2002-02-01 Tissu pour papeterie, en particulier feutre de presse

Publications (2)

Publication Number Publication Date
EP1333120A1 EP1333120A1 (fr) 2003-08-06
EP1333120B1 true EP1333120B1 (fr) 2004-10-27

Family

ID=8185409

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20020002433 Expired - Lifetime EP1333120B1 (fr) 2002-02-01 2002-02-01 Tissu pour papeterie, en particulier feutre de presse

Country Status (4)

Country Link
US (1) US6875314B2 (fr)
EP (1) EP1333120B1 (fr)
CA (1) CA2416961C (fr)
DE (1) DE50201402D1 (fr)

Cited By (1)

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DE102007024509A1 (de) 2007-05-25 2008-12-04 Voith Patent Gmbh Pressfilz mit profilierten Fäden

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DE102009034383B4 (de) * 2009-07-23 2014-02-13 Siemens Aktiengesellschaft Pressfilz und dessen Verwendung
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US20130008552A1 (en) * 2011-07-06 2013-01-10 Hans Peter Breuer Felt for forming fiber cement articles and related methods
CA2903785A1 (fr) * 2013-03-04 2014-09-12 Shakespeare Company, Llc Nouveau fil de coupe pour coupe-herbes
TWD172988S (zh) * 2015-05-06 2016-01-11 陳 清靈 紡織纖維的單絲
US20180117819A1 (en) * 2016-10-27 2018-05-03 Clemson University Research Foundation Inherently super-omniphobic filaments, fibers, and fabrics and system for manufacture

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Cited By (1)

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EP1333120A1 (fr) 2003-08-06
CA2416961C (fr) 2006-11-07
US20030148687A1 (en) 2003-08-07
DE50201402D1 (de) 2004-12-02
US6875314B2 (en) 2005-04-05
CA2416961A1 (fr) 2003-08-01

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