EP1397544B1 - Needling loom feeding with continuous helical strip - Google Patents
Needling loom feeding with continuous helical strip Download PDFInfo
- Publication number
- EP1397544B1 EP1397544B1 EP02727699A EP02727699A EP1397544B1 EP 1397544 B1 EP1397544 B1 EP 1397544B1 EP 02727699 A EP02727699 A EP 02727699A EP 02727699 A EP02727699 A EP 02727699A EP 1397544 B1 EP1397544 B1 EP 1397544B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- strip
- needling
- textile material
- drive
- machine according
- 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
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Classifications
-
- 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
- D04H18/00—Needling machines
- D04H18/02—Needling machines with needles
-
- 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
- D04H18/00—Needling machines
Definitions
- the helical chute for feeding said unwound strip of textile material to said needling table is integral with the frame of the machine and formed in two successive parts separated by a space for the passage of cutting means of said strip.
- the machine may further comprise, downstream of said downstream drive assembly, a dancer roll hinged to said frame and intended to guarantee a regular tension on said unwound strip of textile material after its cutting by said cutting means and before its recovery at said needling table by said friction drive means.
- a dancer roll hinged to said frame intended to guarantee a regular tension on said unwound strip of textile material after its cutting by said cutting means and before its recovery at said needling table by said friction drive means.
- Each drive assembly comprises a plurality of rollers arranged one behind the other so as to marry at best the helical shape of said feed chute of said unwound strip of textile material.
- the storage basket comprises a central shaft rotating on an axis of rotation at the bottom of which (backplane) is fixed a receiving plate provided with openings for receiving said conical drive rollers of said wound strip of textile material.
- the figure 1 schematically illustrates a needling machine circular type for needling a textile structure, or annular preform, prepared from a rolled strip, of fabric or nonwoven fabric, a textile material needling and provided with an automatic feeding device according to the invention.
- the supply means 12 of the material to needling comprise a storage basket 40 containing a wound band of textile material 42 and formed of a central shaft 44 of axis of rotation C at the bottom of which (also called backplane 44a) is fixed a series of fins 46a-46f perforated receiving tray and intended, especially during transport, to support the band wound around the central shaft.
- FIG. figure 5 shows his training in a first embodiment.
- Each drive assembly 70, 72 comprises at least two, preferably three, rollers 74a, 74b, 74c, 76a, 76b, 76c each mounted on a support secured to the frame 50 and interconnected by a drive belt 82, 84 which ensures the training of the textile web along the twist.
- the choice of the number of rollers to be implemented is essentially a function of the dimensions of the chute themselves linked to the overall size of the needling machine.
- the rollers are arranged one behind the other so as to marry at best the helical shape of the chute.
- Each geared motor unit 78, 80 is connected to one 74a, 76a of the rollers of each drive unit by means of a universal joint 86, 88.
- a dancer roll 90 articulated on the frame 50 and intended to guarantee a regular tension on the unwound strip of textile material 42 after its cutting by the cutting means and before its recovery at the needling table 14 by one of the conical drive rollers 20.
- any possible slack of this unwound tape is eliminated and the rate of needling can then be precisely controlled.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Nonwoven Fabrics (AREA)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Finger-Pressure Massage (AREA)
- Sewing Machines And Sewing (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Structure Of Belt Conveyors (AREA)
- Screw Conveyors (AREA)
Abstract
Description
La présente invention se rapporte au domaine des structures textiles aiguilletées et elle concerne plus particulièrement un dispositif pour l'alimentation automatique en bande textile d'une machine d'aiguilletage de type circulaire.The present invention relates to the field of needled textile structures and more particularly relates to a device for automatically feeding textile web of a circular needling machine.
Dans une machine d'aiguilletage de type circulaire, la préforme annulaire à aiguilleter est posée sur une table d'aiguilletage et entraînée en rotation par des moyens d'entraînement, le plus souvent à friction, avec lesquels elle est en contact continu. L'alimentation de ce type de machine est faite à plat au niveau de la table d'aiguilletage à partir d'une bande de matière à aiguilleter débité d'un dispositif de déroulage externe à la machine d'aiguilletage. Cette alimentation à plat pose toutefois une difficulté particulière, notamment lorsqu'il s'agit d'assurer une production de préformes de façon automatique sans intervention manuelle.In a circular type needling machine, the annular preform to needling is placed on a needling table and driven in rotation by drive means, usually friction, with which it is in continuous contact. The feed of this type of machine is made flat at the level of the needling table from a strip of stuffing material cut from a peeling device external to the needling machine. This flat feed however poses a particular difficulty, especially when it comes to ensuring production of preforms automatically without manual intervention.
La présente invention se propose donc de résoudre ce problème spécifique avec une machine d'aiguilletage intégrant un dispositif d'alimentation automatique. Un but de l'invention est aussi de réaliser un tel dispositif sans modifier de façon notable l'encombrement général d'une machine d'aiguilletage de type circulaire.The present invention therefore proposes to solve this specific problem with a needling machine incorporating an automatic feeding device. An object of the invention is also to provide such a device without significantly modifying the overall size of a circular needling machine.
Ces buts sont atteints par une machine d'aiguilletage d'une structure textile formée à partir d'une bande enroulée de matière à aiguilleter débitée par des moyens de fourniture de bande, caractérisée en ce que lesdits moyens de fourniture de bande comportent un panier de stockage contenant ladite bande enroulée de matière textile, un ensemble de déroulement pour extraire en continu ladite bande dudit panier de stockage, et une goulotte hélicoïdale (twist) pour reprendre ladite bande extraite déroulée dudit panier et l'amener vers une table d'aiguilletage au niveau de moyens d'entraînement à friction. Le panier de stockage et ladite goulotte hélicoïdale ont même axe C que ladite table d'aiguilletage.These objects are achieved by a needling machine of a textile structure formed from a wound strip of needle material dispensed by web supply means, characterized in that said web supply means comprises a basket of a storage container containing said wound web of textile material, an unwinding assembly for continuously extracting said web from said storage basket, and a twist chute for retrieving said pulled web from said basket and feeding it to a needling table at level of friction drive means. The storage basket and said helical chute have the same axis C as said needling table.
Ainsi, avec cette structure particulière, il est possible d'assurer une alimentation en matière textile facile et automatique tout en conservant un même encombrement au sol de la machine d'aiguilletage. En outre, on assure un parfait guidage de la bande jusqu'à la table d'aiguilletage.Thus, with this particular structure, it is possible to ensure an easy and automatic textile feed while maintaining the same footprint of the needling machine. In addition, it ensures a perfect guidance of the band to the needling table.
La goulotte hélicoïdale d'amenée de ladite bande déroulée de matière textile vers ladite table d'aiguilletage est solidaire du châssis de la machine et formée en deux parties successives séparées par un espace pour le passage de moyens de découpe de ladite bande.The helical chute for feeding said unwound strip of textile material to said needling table is integral with the frame of the machine and formed in two successive parts separated by a space for the passage of cutting means of said strip.
La bande déroulée de matière textile est maintenue en contact avec ladite goulotte hélicoïdale pendant son amenée vers ladite table d'aiguilletage par deux ensembles d'entraînement séparés disposés respectivement en amont et en aval desdits moyens de découpe de ladite bande.The unwound strip of textile material is kept in contact with said helical chute during its feed to said needling table by two separate drive assemblies disposed respectively upstream and downstream of said cutting means of said strip.
De préférence, la machine peut comporter en outre, en aval dudit ensemble d'entraînement aval, un rouleau danseur articulé sur ledit châssis et destiné à garantir une tension régulière sur ladite bande déroulée de matière textile après sa découpe par lesdits moyens de découpe et avant sa reprise au niveau de ladite table d'aiguilletagé par lesdits moyens d'entraînement à friction.Preferably, the machine may further comprise, downstream of said downstream drive assembly, a dancer roll hinged to said frame and intended to guarantee a regular tension on said unwound strip of textile material after its cutting by said cutting means and before its recovery at said needling table by said friction drive means.
Chaque ensemble d'entraînement comporte une pluralité de galets disposés les uns derrière les autres de façon à épouser au mieux la forme hélicoïdale de ladite goulotte d'amenée de ladite bande déroulée de matière textile.Each drive assembly comprises a plurality of rollers arranged one behind the other so as to marry at best the helical shape of said feed chute of said unwound strip of textile material.
Avantageusement, chaque ensemble d'entraînement comporte au moins deux galets montés chacun sur un support solidaire dudit châssis et reliés entre eux par une courroie d'entraînement, l'un au moins desdits galets de chaque ensemble étant relié à un groupe moto-réducteur au moyen d'une liaison à cardan.Advantageously, each drive assembly comprises at least two rollers each mounted on a support secured to said frame and connected to each other by a drive belt, at least one of said rollers of each assembly being connected to a geared motor unit at means of a universal joint.
Selon un mode de réalisation préférentiel, le dispositif de déroulement de ladite bande enroulée de matière textile comporte une pluralité de rouleaux coniques entraînés en rotation par friction à partir d'une couronne centrée sur des galets solidaires dudit châssis et mise en rotation par une courroie entraînée par un moteur, et sur lesquels vient reposer ladite bande enroulée de matière textile une fois ledit panier de stockage installé sur ladite machine. Il peut comporter en outre un rouleau presseur maintenu contre l'un desdits rouleaux coniques d'entraînement par un élément élastique agissant en traction de façon à permettre la reprise d'une extrémité libre de ladite bande déroulée de matière textile et son guidage vers ladite goulotte hélicoïdale.According to a preferred embodiment, the unwinding device of said wound strip of textile material comprises a plurality of tapered rollers driven in rotation by friction from a ring centered on rollers integral with said frame and rotated by a driven belt. by a motor, and on which comes to rest said wrapped band of textile material once said storage basket installed on said machine. It may further comprise a roller presser held against one of said conical drive rollers by an elastic member acting in tension so as to allow the recovery of a free end of said unwound strip of textile material and its guidance to said helical chute.
Le panier de stockage comporte un fût central tournant sur un axe de rotation à la partie inférieure duquel (fond de panier) est fixé un plateau de réception muni d'ouvertures pour recevoir lesdits rouleaux coniques d'entraînement de ladite bande enroulée de matière textile.The storage basket comprises a central shaft rotating on an axis of rotation at the bottom of which (backplane) is fixed a receiving plate provided with openings for receiving said conical drive rollers of said wound strip of textile material.
Les caractéristiques et avantages due la présente invention ressortiront mieux de la description suivante, faite à titre indicatif et non limitatif, en regard des dessins annexés sur lesquels :
- la
figure 1 est une vue générale en élévation d'une machine d'aiguilletage intégrant un dispositif d'alimentation automatique selon l'invention, - la
figure 1A est une vue de détail de lafigure 1 au niveau d'un ensemble de déroulement de la matière textile, - la
figure 2 est une vue de dessus de la machine d'aiguilletage de lafigure 1 montrant l'ensemble de déroulement, - la
figure 2A illustre un panier de stockage de la matière textile, - la
figure 3 est une vue selon le plan III de lafigure 2 , - la
figure 4 montre des rouleaux de reprise de la matière textile en sortie de l'ensemble de déroulement, - la
figure 5 montre en perspective l'entraînement de la matière textile au travers d'un premier module d'entraînement selon l'invention, - les
figures 6A et 6B illustrent un autre mode de réalisation du module d'entraînement de la matière textile, et - les
figures 7A et 7B illustrent encore un autre mode de réalisation du module d'entraînement de la matière textile.
- the
figure 1 is a general elevational view of a needling machine incorporating an automatic feeding device according to the invention, - the
Figure 1A is a detail view of thefigure 1 at the level of a set of unwinding of the textile material, - the
figure 2 is a top view of the needling machine from thefigure 1 showing the set of unfolding, - the
Figure 2A illustrates a storage basket of the textile material, - the
figure 3 is a view according to plan III of thefigure 2 , - the
figure 4 shows rolls of recovery of the textile material at the exit of the unwinding assembly, - the
figure 5 shows in perspective the drive of the textile material through a first drive module according to the invention, - the
Figures 6A and 6B illustrate another embodiment of the training module of the textile material, and - the
Figures 7A and 7B illustrate yet another embodiment of the training module of the textile material.
La
Cette machine destinée à aiguilleter des structures textiles 10 formées à partir d'une bande d'une matière textile à aiguilleter délivrée en continu par des moyens de fourniture 12 comporte classiquement une table d'aiguilletage 14, formant plateau d'enroulement, sur laquelle va venir se poser cette bande de matière textile et qui est mobile verticalement sous l'action de moyens de transmission de mouvement 16 au fur et à mesure du déroulement de la bande. Des moyens d'entraînement 18 avantageusement constitués de trois rouleaux coniques 20 actionnés chacun par un groupe moto-réducteur indépendant 22 et disposés de préférence à 120° au dessus de cette table, vont ensuite assurer par friction l'entraînement en rotation de cette bande de matière textile sur la table d'aiguilletage.This machine intended to needle
L'aiguilletage de la bande est réalisé par une tête d'aiguilletage 24 comportant un nombre déterminé d'aiguilles à barbes et disposée à l'aplomb de la table d'aiguilletage entre deux des trois rouleaux coniques d'entraînement. Pour permettre l'aiguilletage les unes aux autres des différentes couches superposées de matière textile, cette tête d'aiguilletage est animée d'un mouvement alternatif vertical par des moyens conventionnels de déplacement 26. Des moyens de découpe 28 (voir la
Selon l'invention et comme l'illustrent les
Le panier de stockage est installé sur la machine d'aiguilletage, dans le même axe C de la table d'aiguilletage, au niveau d'un châssis supérieur 50 de cette machine. Les ouvertures du plateau (entré les ailettes 46a-46f) sont destinées à être traversées par les rouleaux coniques 48a-48f d'un ensemble de déroulement entraîné avantageusement par courroie et réalisant l'extraction de la bande en fond de panier (voir la
Le déroulement de la bande résulte de la rotation sur eux mêmes des rouleaux coniques d'entraînement de l'ensemble de déroulement, cette rotation étant obtenue par friction à partir d'une couronne 52 centrée sur des galets 54a, 54b, 54c solidaires du châssis de la machine 50 et mise en rotation autour de l'axe C par une courroie 56 entraînée par un moteur 58 (voir la
En sortie du panier de stockage et comme le montre la
Le trajet de la bande déroulée le long de la goulotte hélicoïdale depuis son extraction en fond de panier jusqu'à son dépôt sur la table d'aiguilletage est illustré à la
La goulotte hélicoïdale solidaire du châssis 50 de la machine est formée en deux parties successives 64, 66 séparées seulement par un espace 68 formant saignée pour permettre le passage des moyens de découpe 28. Tout le long de ce trajet, la bande est maintenue en contact avec cette goulotte par des moyens d'entraînement réunis de préférence en deux ensembles séparés 70, 72 disposés respectivement l'un 70 en amont l'autre 72 en aval de ces moyens de découpe 28. Chaque ensemble d'entraînement est de préférence motorisé par un groupe moto-réducteur individuel 78, 80 commandé depuis les moyens de commande centrale 30. Toutefois une motorisation commune est tout aussi envisageable.The helical chute integral with the
Chaque ensemble d'entraînement 70, 72 comporte au moins deux, de préférence trois, galets 74a, 74b, 74c ;76a, 76b, 76c montés chacun sur un support solidaire du châssis 50 et reliés entre eux par une courroie d'entraînement 82, 84 qui assure l'entraînement de la nappe textile le long du twist. Le choix du nombre de galets à mettre en oeuvre est essentiellement fonction des dimensions de la goulotte liées elles-mêmes à l'encombrement général de la machine d'aiguilletage. Les galets sont disposés les uns derrière les autres de façon à épouser au mieux la forme hélicoïdale de la goulotte. Chaque groupe moto-réducteur 78, 80 est relié à l'un 74a, 76a des galets de chaque ensemble d'entraînement au moyen d'une liaison à cardan 86, 88.Each
En aval de l'ensemble d'entraînement aval 72 est disposé un rouleau danseur 90 articulé sur le châssis 50 et destiné à garantir une tension régulière sur la bande déroulée de matière textile 42 après sa découpe par les moyens de découpe et avant sa reprise au niveau de la table d'aiguilletage 14 par un des rouleaux d'entraînement coniques 20. Ainsi, tout mou éventuel de cette bande déroulée est éliminé et la cadence d'aiguilletage peut être ensuite précisément contrôlée.Downstream of the
Les
Un autre exemple de réalisation de ces ensembles d'entraînement est illustré aux
Claims (10)
- A machine for needling a textile structure (10) built up from a wound strip of material to be needled that is delivered by strip supply means(12), characterized in that said strip supply means comprise a storage drum (40) containing said wound strip of textile material, an unwinding assembly (48-62) for continuously extracting said strip from said storage drum, and a helical chute (twist 64, 66) for talking up said extracted strip unwound from said drum and for bringing it to a needling table (14) at a location where friction drive means are provided (18; 20; 22).
- A needling machine according to claim 1, characterized in that said storage drum and said helical chute have the same axis C as said needling table.
- A needling machine according to claim 1, characterized in that said helical chute for feeding said unwound strip of textile material to said needling table is secured to the frame of the machine (50) and comprises two successive portions (64, 66) separated by a gap (68) to allow cutting means (28) to pass to cut said unwound strip of textile material.
- A needling machine according to claim 3, characterized in that said unwound strip of textile material is kept in contact with said helical chute while it is being fed to said needling table by two separate drive assemblies (70, 72) disposed respectively upstream and downstream from said means for cutting said unwound strip of textile material.
- A needling machine according to claim 4, characterized in that it further includes, downstream from said downstream drive assembly, a jockey roller (90) hinged to said frame and designed to guarantee regular tension on said unwound strip of textile material after it has been cut by said cutting means and before it is taken up on said needling table by said friction drive means.
- A needling machine according to claim 4, characterized in that each of said drive assemblies comprises wheels placed one after another so as to fit closely to the helical shape of said feed chute for said unwound strip of textile material.
- A needling machine according to claim 6, characterized in that each of said drive assemblies has at least two wheels (74a, 74b, 74c; 76a, 76b, 76c) each mounted on a support secured to said frame and connected to one another by a drive belt (82, 84), at least one of said wheels (74a, 76a) in each assembly being connected to a motor and gear box unit (78, 80) by means of a universal joint (86, 88).
- A needling machine according to claim 1, characterized in that said assembly for unwinding said wound strip of textile material includes a plurality of conical rollers (48a-48f) rotated by friction from a ring (52) centered on wheels (54a, 54b, 54c) secured to said frame and rotated by a belt (56) driven by a motor (58), and on which said wound strip of textile material rests once said storage drum has been installed on said machine.
- A needling machine according to claim 8, characterized in that said assembly for unwinding said wound strip of textile material further includes a presser roller (60) held against one of said conical drive rollers by a resilient element (62) acting in traction so as to enable a free end of said unwound strip of textile material to be taken up and guided towards said helical chute.
- A needling machine according to claim 8, characterized in that said storage drum comprises a central hub (44) having an axis of rotation C, with a series of fins (46a-46f) being fixed to the bottom thereof (drum bottom 44a) to form a perforated reception tray for receiving said conical rollers in the openings left between the fins to drive said wound strip of textile material.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0105796A FR2824084B1 (en) | 2001-04-30 | 2001-04-30 | NEEDLE FEEDER BY CONTINUOUS SPIRAL BAND |
FR0105796 | 2001-04-30 | ||
PCT/FR2002/001454 WO2002088449A1 (en) | 2001-04-30 | 2002-04-26 | Needling loom feeding with continuous helical strip |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1397544A1 EP1397544A1 (en) | 2004-03-17 |
EP1397544B1 true EP1397544B1 (en) | 2010-01-13 |
Family
ID=8862843
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02727699A Expired - Lifetime EP1397544B1 (en) | 2001-04-30 | 2002-04-26 | Needling loom feeding with continuous helical strip |
Country Status (16)
Country | Link |
---|---|
US (1) | US6363593B1 (en) |
EP (1) | EP1397544B1 (en) |
JP (1) | JP4068465B2 (en) |
KR (1) | KR100805420B1 (en) |
CN (1) | CN1327065C (en) |
AT (1) | ATE455200T1 (en) |
BR (1) | BR0209323A (en) |
CA (1) | CA2445981C (en) |
DE (1) | DE60235082D1 (en) |
FR (1) | FR2824084B1 (en) |
HU (1) | HU227929B1 (en) |
IL (2) | IL158391A0 (en) |
MX (1) | MXPA03009814A (en) |
RU (1) | RU2280722C2 (en) |
UA (1) | UA75131C2 (en) |
WO (1) | WO2002088449A1 (en) |
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FR3070696B1 (en) * | 2017-09-01 | 2019-09-13 | Safran Landing Systems | METHOD OF FORMING BY NEEDLETING AN ANNULAR TEXTILE PREFORM FROM A HELICOIDAL FIBROUS TABLET AND MACHINE FOR CARRYING OUT SAID METHOD |
FR3070695B1 (en) * | 2017-09-01 | 2019-09-13 | Safran Landing Systems | GUIDE TOOLING FOR A CIRCULAR NEEDLE-CUTTING TABLE OF A TEXTILE STRUCTURE FORMED FROM A HELICOIDAL FIBROUS TABLET |
FR3072674B1 (en) | 2017-10-19 | 2019-11-08 | Safran Landing Systems | METHOD FOR MANUFACTURING A FRICTION PIECE OF COMPOSITE MATERIAL |
FR3072675B1 (en) | 2017-10-19 | 2019-11-01 | Safran Ceramics | METHOD FOR MANUFACTURING A FRICTION PIECE OF COMPOSITE MATERIAL |
FR3072693B1 (en) * | 2017-10-20 | 2020-11-06 | Safran Landing Systems | FEED REGULATION PROCESS AND MACHINE FOR CIRCULAR NEEDLETING OF A TEXTILE STRUCTURE FORMED FROM A HELICOIDAL FIBROUS TABLECLOTH |
CN108844841A (en) * | 2018-06-29 | 2018-11-20 | 东华大学 | The detection device of the pricker degree of wear and the detection method for using the detection device |
FR3090011B1 (en) | 2018-12-14 | 2021-01-01 | Safran Ceram | Infiltration or chemical vapor deposition process |
FR3130276A1 (en) | 2021-12-15 | 2023-06-16 | Safran Ceramics | Installation of thermochemical treatment and method of manufacturing a friction part in composite material |
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Publication number | Priority date | Publication date | Assignee | Title |
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AT392297B (en) * | 1987-10-01 | 1991-02-25 | Fehrer Textilmasch | NEEDLE DEVICE FOR MAKING A PATTERNED FELT |
GB9201605D0 (en) * | 1992-01-24 | 1992-03-11 | Aerospace Preforms Ltd | Improvements in or relating to fibrous articles |
FR2733254B1 (en) | 1995-04-18 | 1997-07-18 | Europ Propulsion | CHEMICAL VAPOR INFILTRATION PROCESS FOR THE DENSIFICATION OF POROUS SUBSTRATES DISPOSED IN RING STACKS |
FR2741634B1 (en) * | 1995-11-27 | 1998-04-17 | Europ Propulsion | PROCESS FOR THE REALIZATION OF FIBROUS PREFORMS INTENDED FOR THE MANUFACTURE OF ANNULAR PIECES IN COMPOSITE MATERIAL |
FR2757153B1 (en) * | 1996-12-17 | 1999-03-05 | Carbone Ind | PROCESS FOR MANUFACTURING PARTS, IN PARTICULAR BRAKE DISCS, OF CARBON-CARBON COMPOSITE MATERIAL |
FR2759387B1 (en) * | 1997-02-12 | 1999-05-21 | Carbone Ind | REALIZATION OF ANNULAR FIBROUS PREFORM BY TAPE WINDING |
FR2761379B1 (en) * | 1997-03-28 | 1999-07-09 | Europ Propulsion | PROCESS FOR PRODUCING ANNULAR FIBROUS STRUCTURES, PARTICULARLY FOR THE MANUFACTURE OF COMPOSITE MATERIAL PARTS |
US6248417B1 (en) * | 1997-09-08 | 2001-06-19 | Cytec Technology Corp. | Needled near netshape carbon preforms having polar woven substrates and methods of producing same |
-
2001
- 2001-04-30 FR FR0105796A patent/FR2824084B1/en not_active Expired - Fee Related
- 2001-07-06 US US09/900,275 patent/US6363593B1/en not_active Expired - Lifetime
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2002
- 2002-04-26 RU RU2003131881/12A patent/RU2280722C2/en not_active IP Right Cessation
- 2002-04-26 UA UA2003109724A patent/UA75131C2/en unknown
- 2002-04-26 KR KR1020037013872A patent/KR100805420B1/en not_active IP Right Cessation
- 2002-04-26 JP JP2002585722A patent/JP4068465B2/en not_active Expired - Lifetime
- 2002-04-26 BR BR0209323-5A patent/BR0209323A/en active Search and Examination
- 2002-04-26 DE DE60235082T patent/DE60235082D1/en not_active Expired - Lifetime
- 2002-04-26 WO PCT/FR2002/001454 patent/WO2002088449A1/en active Application Filing
- 2002-04-26 CA CA002445981A patent/CA2445981C/en not_active Expired - Fee Related
- 2002-04-26 CN CNB028090284A patent/CN1327065C/en not_active Expired - Lifetime
- 2002-04-26 IL IL15839102A patent/IL158391A0/en unknown
- 2002-04-26 AT AT02727699T patent/ATE455200T1/en not_active IP Right Cessation
- 2002-04-26 HU HU0400074A patent/HU227929B1/en not_active IP Right Cessation
- 2002-04-26 MX MXPA03009814A patent/MXPA03009814A/en active IP Right Grant
- 2002-04-26 EP EP02727699A patent/EP1397544B1/en not_active Expired - Lifetime
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IL158391A0 (en) | 2004-05-12 |
RU2003131881A (en) | 2005-02-27 |
BR0209323A (en) | 2004-07-20 |
HUP0400074A3 (en) | 2008-08-28 |
KR100805420B1 (en) | 2008-02-20 |
EP1397544A1 (en) | 2004-03-17 |
HU227929B1 (en) | 2012-06-28 |
CA2445981A1 (en) | 2002-11-07 |
JP2004533547A (en) | 2004-11-04 |
FR2824084A1 (en) | 2002-10-31 |
FR2824084B1 (en) | 2003-08-01 |
JP4068465B2 (en) | 2008-03-26 |
ATE455200T1 (en) | 2010-01-15 |
US6363593B1 (en) | 2002-04-02 |
CN1327065C (en) | 2007-07-18 |
RU2280722C2 (en) | 2006-07-27 |
WO2002088449A1 (en) | 2002-11-07 |
CN1505712A (en) | 2004-06-16 |
IL158391A (en) | 2010-02-17 |
KR20040025673A (en) | 2004-03-24 |
DE60235082D1 (en) | 2010-03-04 |
HUP0400074A2 (en) | 2004-04-28 |
UA75131C2 (en) | 2006-03-15 |
MXPA03009814A (en) | 2004-01-29 |
CA2445981C (en) | 2008-09-02 |
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