WO2008132299A2 - Tete d'application de fibres avec systemes de coupe de fibres particuliers - Google Patents
Tete d'application de fibres avec systemes de coupe de fibres particuliers Download PDFInfo
- Publication number
- WO2008132299A2 WO2008132299A2 PCT/FR2008/000274 FR2008000274W WO2008132299A2 WO 2008132299 A2 WO2008132299 A2 WO 2008132299A2 FR 2008000274 W FR2008000274 W FR 2008000274W WO 2008132299 A2 WO2008132299 A2 WO 2008132299A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cutting
- fibers
- blades
- guide
- roller
- 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
Links
Classifications
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- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/38—Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
- B29C70/382—Automated fiber placement [AFP]
- B29C70/384—Fiber placement heads, e.g. component parts, details or accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
- B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
- B26D1/08—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
- B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
- B26D1/08—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type
- B26D1/085—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type for thin material, e.g. for sheets, strips or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/08—Means for actuating the cutting member to effect the cut
- B26D5/12—Fluid-pressure means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/08—Means for treating work or cutting member to facilitate cutting
- B26D7/14—Means for treating work or cutting member to facilitate cutting by tensioning the work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
- B26D7/2614—Means for mounting the cutting member
-
- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/38—Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
-
- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
- B29C70/545—Perforating, cutting or machining during or after moulding
-
- 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
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
- Y10T156/1062—Prior to assembly
-
- 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
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
- Y10T156/1062—Prior to assembly
- Y10T156/1064—Partial cutting [e.g., grooving or incising]
-
- 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
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
-
- 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
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
- Y10T156/125—Plural severing means each acting on a different work piece
-
- 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
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
- Y10T156/1317—Means feeding plural workpieces to be joined
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- 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
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
- Y10T156/1317—Means feeding plural workpieces to be joined
- Y10T156/1322—Severing before bonding or assembling of parts
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- 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
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
- Y10T156/1348—Work traversing type
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- 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
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
- Y10T156/1348—Work traversing type
- Y10T156/1365—Fixed cutter
Definitions
- the present invention relates to a fiber application head for the production of composite material parts, and in particular a fiber application head with particular fiber cutting systems.
- fiber application machines commonly called fiber placement machines
- fiber placement machines for the application on a male or female mold of a wide band formed of several flat fibers, of resin-impregnated ribbons type, in particular carbon fibers impregnated with a thermosetting or thermoplastic resin.
- These machines comprise a displacement system of a fiber application head, fiber storage means, and means for conveying fibers from said storage means to the application head.
- the fiber placement heads conventionally comprise, as described in particular in the international application WO2006092514, an application roller intended to come into contact against the mold for applying the strip, means for guiding the fibers on said application roller, cutting means for individually cutting each fiber upstream of the roll, and means for rerouting upstream of cutting means to reroute each cut fiber in order to be able to stop and resume the application of a strip at any time; , as well as choose the width of the band.
- the guide means comprise two systems of ducts or pulleys staggered in two guide planes approaching downstream upstream of each other to separately guide two sheets or bundles of fibers to the roller.
- the cutting means comprise a planar blade actuated by a pneumatic jack and disposed opposite a fixed counter-tool
- the re-routing means comprise counter-rollers actuated by jacks and arranged in vis-à-vis drive rollers.
- the blades and counter-rollers of a first layer, and their associated actuating cylinders are arranged on the roller side, that is to say downstream of the fibers relative to the direction of advance of the head in use, while the blades and the counter-rollers of the another web, and their associated actuating cylinder, are arranged upstream of the fibers.
- the upstream actuating cylinders must be arranged sufficiently high relative to the application roller, to be able to use the head on different concave surfaces, and in particular with low angles of attack between the dispensing surface and the fiber web. output of the guide means. Fiber cutting is performed substantially at the same distance from the roll for the two sheets to simplify the management of all the actuating cylinders and thus optimize the accuracy and reliability of the head.
- the downstream cylinders are therefore positioned as high as the cylinders upstream. This arrangement of the actuating cylinders limits the possibilities of optimizing the compactness of the head, and also limits the precision of re-routing of the head, for example to obtain a beginning of the band with cutting edges of the fibers as aligned as possible.
- blocking means are provided to individually block each fiber that has just been cut.
- These blocking means are conventionally arranged upstream of the rerouting means and comprise their own actuating cylinders.
- these new actuating cylinders are difficult to control, they require a complex and precise control system to ensure the blocking of each fiber just cut.
- the object of the present invention is to propose a solution for overcoming at least one of the aforementioned drawbacks, which notably makes it possible to optimize the compactness of the fiber placement heads while guaranteeing good reliability in cutting, re-routing and / or the blocking of the fibers.
- the present invention relates to a fiber application head, intended to be mounted at the end of a displacement system. for application to a surface of a broad band formed of a plurality of fibers, comprising
- cutting means capable of cutting the fibers upstream of the application roller with respect to the direction of travel of the fibers, said cutting means comprising blades actuated by actuating systems between a rest position and an active position of characterized in that said blades and the associated actuating systems are all arranged on the roller side with respect to said fibers, so that the blades are arranged opposite the face of the fibers coming against the roller .
- the blades with their associated actuating systems are all arranged on the same side, opposite the faces of the fibers coming against the surface to be draped.
- This arrangement of the cutting means makes it possible to make fiber cuts as close as possible to the roll, and thus to limit the play during the rerouting of the fibers, while allowing small angles of attack between the surface to be draped and the strip of fibers leaving the guide means.
- the guide means comprise first and second guide means staggered in two guide planes approaching one another downstream upstream to guide the fibers to the roll in the form two plies of fibers, and in that the cutting means comprise first cutting means, whose blades are capable of individually cutting the fibers of the first ply guided by the first guide means, and second cutting means of which the blades are capable of individually cutting the fibers of the second web guided by the second guide means, passing between the first guide means.
- the blades of the first cutting means and the blades of the second cutting means are arranged in staggered rows. two planes inclined relative to each other by an angle substantially corresponding to the angle between the two guide planes, so as to cut the fibers of the two plies substantially perpendicularly, the second cutting means being arranged above first cutting means with respect to the roller.
- the guiding means comprise first channels and second channels intended respectively to individually receive the fibers of the first and second plies, said first channels being formed at the assembly interface between a first plate outer and a central plate, and said second channels are formed at the assembly interface between said central plate and a second outer plate, the blades of the first cutting means passing through the first outer plate by at least one slot opening on the first channels, and the blades of the second cutting means passing through the first plate and the central plate, by at least one slot of said central plate opening on the second channels.
- the cutting means comprise counter-tools arranged perpendicularly to the guide channels, opposite the cutting edges of the blades, and against which the blades come into abutment in the cutting position, the counter- tools of the first cutting means being formed by a bar of elastomeric material housed in a housing of the central plate, and the counter-tools of the second cutting means being formed by a bar of elastomeric material housed in a housing of the second outer plate .
- the head further comprises fiber redirection means arranged upstream of the cutting means, said re-routing means comprising counter-rollers actuated by actuating systems between a rest position and an active position. for pressing the fibers against at least one driving roller, the counter rollers and their associated actuating systems being arranged on the roller side with respect to the fibers.
- the rerouting means comprise first rerouting means comprising a first drive roller, mounted on the central plate, perpendicularly and tangentially to the first guide channels, and counter-rollers actuated by actuating systems between a position resting member and an operative position for individually pressing the fibers of the first ply against said first drive roller, and second redirecting means arranged upstream of the first rerouting means with respect to the direction of travel of the fibers in the guide channels , having a second drive roller, mounted on the second outer plate, perpendicularly and tangentially to the second guide channels, and counter rollers actuated between a rest position and an active position by actuating systems extending between the fibers of the first tablecloth to ply individual the fibers of the second web against said second drive roller, the two rollers being rotated preferably by a common motor by means of a belt.
- first rerouting means comprising a first drive roller, mounted on the central plate, perpendicularly and tangentially to
- the head comprises a support plate by which said head is intended to be assembled to a displacement system, said cutting means, said guide means and said application roller, as well as any means of rerouting, form a module, said module being adapted to be assembled by means of rapid locking at the end of the rod of at least one compacting jack mounted on said support plate.
- the module comprises for example two support flanges interconnected by cross members, and between which are mounted the application roller, the guide means and the cutting means. The positioning of the same side of the plies of the rerouting means and cutting means, as well as any locking means, allows easy removal of the guide means, and easy access to the blades and against-rollers.
- the head advantageously comprises a pneumatic connection system and / or fast electrical connection to connect automatically the actuation systems of the module during assembly of the latter on the plate.
- All actuating systems, of the pneumatic jack type will for example be connected to channels of a first pneumatic connection plate of the module, which come to connect in a sealed manner with the channels of a second plate of connection of the plate. during assembly of the module, the latter channels being connected to pneumatic distributors carried by the plate.
- the head further comprises a thermal regulation system comprising cooling means able to cool the second outer plate in order to cool by conduction all the guide plates, preferably metal, said cooling means comprising for example means for directing a flow of fresh air on the second outer plate, and / or preferably at least one thermoelectric module brought against the second outer plate.
- a thermal regulation system comprising cooling means able to cool the second outer plate in order to cool by conduction all the guide plates, preferably metal, said cooling means comprising for example means for directing a flow of fresh air on the second outer plate, and / or preferably at least one thermoelectric module brought against the second outer plate.
- the cutting means comprise a jack type actuating system for each blade.
- the head further comprises locking means arranged upstream of the cutting means, on the side of the application roller, capable of blocking the fibers that have just been cut, said locking means comprising locking studs actuated by actuating systems between a rest position and an active locking position, said locking pads and said blades being advantageously actuated between their rest position and their active position by common actuating systems, said actuating systems being suitable for each fiber to cut and to block, to move a blade and a blocking pad to cut and block the fiber, preferably to cut and then block the fiber.
- the use of the same actuation systems for cutting and blocking the fibers makes it possible to reduce the number of actuating systems and thus to obtain a more compact head, to simplify the control of the actuating systems, to make the blocking of the fibers more reliable, to obtain a better precision in the blocking of fibers and thus a better precision in the rerouting of the cut fibers to the roll of application.
- the fiber is cut off and then blocked, although perfectly simultaneous cutting and blocking can be envisaged.
- said actuating systems comprise for each fiber a cylinder, preferably pneumatic, carrying at the end of its rod a pad and a flat blade for individually cutting and blocking a fiber, the cutting edge being of preferably slightly protruding from the bearing surface of the blocking pin so as to cut and then block the fiber.
- the blade may be mounted by its proximal portion in a first longitudinal housing of the cylinder rod, the rod being equipped with a blade locking system comprising an actuating pin slidably mounted in a second longitudinal housing of the rod and a locking ball mounted in a transverse bore connecting the two housings, said actuating pin being elastically biased by resilient means in a rest position in which said pin holds said locking ball at least partially engaged in the first housing to block axially the blade, in particular in a recess or opening of the blade to block it in its first housing, and being able to be moved from the outside, by means of a tool to an unlocking position in which the ball can come partially engage in the second housing to unlock the blade.
- a blade locking system comprising an actuating pin slidably mounted in a second longitudinal housing of the rod and a locking ball mounted in a transverse bore connecting the two housings, said actuating pin being elastically biased by resilient means in a rest position in which said pin holds said locking ball at least partially engaged in the first housing to
- the stud is mounted by its proximal portion in said second housing, said stud comprising a longitudinal passage to allow movement of the pin mounts between the stud and the bottom of the housing by means of a tool inserted into said passage.
- the blades can thus be easily removed, by the end of the cylinder rods, without requiring disassembly of the cylinders.
- the locking system is centered on the pad and actuated through the stud, this arrangement allows the integration of a locking system without increasing the diameter of the cylinder rod.
- the blocking means comprise counter-locking tools arranged vis-à-vis the bearing surfaces of the pads and against which the pads abut in the active locking position, said against-tools comprising advantageously two rigid bars respectively housed in a housing of the central plate and in a housing of the second outer plate, perpendicular to the guide channels.
- FIG. 1 shows a schematic side view of an application head according to the invention assembled on the wrist of a robot
- FIG. 2 represents a perspective view of the head of FIG. 1, some support elements of the head having been removed to better visualize the interior of the module;
- FIG. 3 is a front view of the application head of FIG. 1;
- FIG. 4 is an exploded view in perspective of the head of Figure 1 illustrating the various elements of the head which are easily removable;
- FIG. 5 is a sectional view of the head along the plane V-V of FIG. 3, illustrating the guide path of a fiber of the first ply;
- FIG. 6 is an enlarged view of the detail D1 of FIG. 5;
- FIG. 7 is a partial perspective view of a cutting system of a fiber illustrating the blocking stud and the cutting blade at the end of the rod of an actuating cylinder;
- FIG. 8 is a partial longitudinal sectional view of the rod of a cutting cylinder
- FIG. 9 is a sectional view of the head along the plane IX-IX of Figure 3, illustrating the guide path of a fiber of the second web;
- FIG. 10 is an enlarged view of the detail D2 of FIG. 9;
- FIG. 13 is a perspective view of the thermal regulation system, in the absence of the protection plate of the cooling modules;
- FIG. 14 is a partial perspective view of the thermal regulation system.
- FIG. 15 is another perspective view of the control system in the absence of the hot air blowing nozzle.
- the fiber placement head 1 comprises a support plate 10 provided in the upper part with a flange 11 for fixing, along an assembly axis A, to a displacement system S, in particular at the end wrist of a poly-articulated arm of the 6-axis robot type.
- the plate removably carries in the lower part a module 2 comprising an application roll R, a guide system 3 for guiding the fibers towards the roll in two bundles or sheets of fibers in two guide planes P1, P2, cutting and blocking systems 4A, 4B for individually cutting and blocking each fiber, and rerouting systems 5A, 5B to individually reroute each fiber that has just been cut.
- the module comprises two flanges 21, 22, interconnected by crosspieces 231 to 234, and between which are mounted the roller R, the guide system 3, the cutting and guiding systems 4A and 4B, as well as the rerouting systems 5A and 5B.
- the rear edges of the flanges are equipped with vertical rails 24 capable of sliding in complementary slides 14 mounted on the front edges of two vertical support plates 12, 13, which are integral with the plate and which extend downwards from the face lower platinum.
- the module is assembled to the rods of two compacting cylinders integral with the support plate.
- the compacting cylinders 81 are assembled by their body 81b on the underside of the plate.
- a first plate 82 called pneumatic connection
- a second pneumatic connection plate 83 is mounted on the upper edges of the two flanges 21, 22.
- the module 2 is moved vertically upwards by sliding the rails 24 in the slides 14, to bring the pneumatic connection plates 82, 83 flat against each other.
- the assembly of the module to the plate is performed by quick locking means 25, such as toggle type latches.
- the connection plates have a plurality of vertical channels coming to be disposed vis-a-vis, tightly, during assembly of the module to ensure the pneumatic connection of the various systems of the module, as described below.
- the roller R is rotatably mounted on the lower edges of the flanges, via a quick-mounting system 26, quarter-turn connectors type, with its axis of rotation arranged perpendicularly to the axis of assembly A and rods 85a of cylinders compaction.
- the axis of rotation of the roller, the axis of assembly and the rods compacting compact are arranged substantially in the same plane.
- a fiber feed system 6 for bringing the fibers into two plies according to the guide planes P1 and P2 above.
- the fibers are for example conveyed to the head by flexible tubes as described in the application WO2006092514, each tube receiving a fiber in its internal passage.
- the supply system then consists of a fixing ramp 61 on which are fixed the end portions 62 of flexible tubes staggered, in two rows.
- the ramp is for example fitted on two rods 271 secured to the module 2 and is held fixed by butterfly screws 272 screwed onto said rods.
- the head is provided for placement of a 32-fiber web from two plies of 16 fibers.
- the guiding system 3 comprises three plates, preferably metal, mounted on the module flat against each other for define between them first guide channels and second guide channels in which pass respectively the fibers of the first sheet and the second sheet to bring them tangentially to the application roller.
- a first outer plate 31 is mounted by a first main face 311 against a first main face 321 of a so-called central plate 32
- a second outer plate 33 is mounted by a first main face 331 against the second main face 322 of the central plate.
- the central plate has a triangular cross section, the inclination between its two main faces 321, 322 corresponding to the angle between the two guide planes P1, P2.
- the first guide channels C1 are constituted by longitudinal grooves 313 formed on the first main face 311 of the first outer plate, and closed by the first main face 321 of the central plate. These grooves have a width corresponding substantially to the width of the flat fibers and are spaced transversely from each other by a distance substantially corresponding to the width of a groove.
- the second guide channels C2 are formed by longitudinal grooves 323 formed on the second main face 322 of the central plate, and closed by the first main face 331 of the second outer plate.
- grooves 323 are similar to those of the first plate and transversely offset by a groove width relative to the latter, so that the first and second channels are arranged in staggered rows and the fibers F1 and F2 of the two sheets are substantially arranged edge to edge at the application roller to form the band to be applied. As illustrated in Figures 6 and 10, the intersection between the two guide planes P1, P2 is located downstream of the guide system at the roller.
- the three plates are mounted on the front edges of the flanges, upstream of the roll relative to the direction of movement of the head in use, by means of upper threaded rods 281 and lower 282 pivotally mounted on flaccid and coming inserted in upper lateral notches 339a and lower 339b of the second outer plate 33, the latter having a greater width than the other two plates 31, 32.
- Nuts 283 are screwed onto the end of the rods to bear against the second outer plate and clamp the plates against each other, the first plate bearing by its second main face against a first cross 231.
- the first outer plate and the central plate have pads centering 318a, 328a respectively fitting into complementary recesses 328b, 338b of the central plate and the second outer plate.
- the first plate also includes recesses 318b for receiving complementary pads of the first cross.
- the module comprises a cutting and locking system for each fiber, each system comprising a flat blade and a blocking stud mounted at the end of the rod of a pneumatic cylinder, as well as a counter-cutting tool and a counter-locking tool arranged opposite the blade and the blocking stud respectively.
- the flat blade 41 is fixedly mounted at the end of the cylindrical rod 42 of the jack 40, and has a beveled cutting edge 411 disposed perpendicularly to the cylinder rod.
- the width of the cutting edge is slightly greater than the width of a guide channel C1, C2, so as to ensure the complete cut of a fiber.
- the blade comprises a distal portion 412 wide which is provided with the cutting edge and which is extended by a proximal mounting portion 413 narrower, by which the blade is mounted in a first longitudinal recess 422 of rectangular section provided on the flat surface of end 421 of the rod.
- the stud has a cylindrical distal portion 432, defining a flat bearing surface 431 perpendicular to the jack rod, and extending by a proximal mounting portion or cylindrical base 433.
- the stud is fixed by its base in a second cylindrical housing 423 of the end surface 421.
- the two housings are arranged parallel and share and other of the axis of the stem.
- the cutting edge 411 of the blade is arranged slightly protruding from the bearing surface 431 of the blocking stud.
- the assembly of the stud on the rod is provided by a pin 44 inserted into a transverse bore of the rod, and passing through a peripheral recess of the base 433 to block the stud.
- the assembly of the blade on the rod is provided by a locking ball 45 disposed in a transverse bore 424 connecting the two housings 422, 423.
- the ball has a diameter greater than the length of the bore and can engage partially in a lumen 414 of the proximal portion of the blade to block the latter.
- a pin 46 is slidably mounted in the second housing between the bottom of the housing and the base of the stud and is resiliently biased in a so-called locking position against the base of the stud by elastic means, for example by a compression spring (not shown) mounted between the bottom of the housing and an annular shoulder 462 of the pin.
- the pin has an outer diameter substantially corresponding to the diameter of the second housing, and has a progressive narrowing of its diameter towards its distal end to form an annular groove 461 in which can be partially received the ball.
- the stud has a longitudinal passage 434 extending over its entire length to be able to insert a tool, such as a metal tip to move the pin against the spring. In its blocking position illustrated in Figure 6, the pin holds the ball in the light of the blade to block the latter.
- the pin For the removal of a blade, the pin is moved inside the housing by inserting a tool in the passage 434, to bring the pin supported by its proximal end against the bottom of the housing. In this so-called unblocking position, the throat of the pin is positioned opposite the ball. When traction is exerted on the blade, the ball moves towards the groove and thus leaves the light 414 to unlock the blade. The pin will also be brought to the release position for mounting a blade.
- First and second cutting and blocking systems are intended for cutting and blocking respectively the first ply of fibers and the second ply of fibers.
- the cylinders 40 of the first cutting and locking systems 4A are fixed by their body 40a to a second cross member 232 in a first transverse row 231.
- the rods 41 of the cylinders pass through the first crosspiece, each rod being guided in a bore 231a of this first cross.
- the first plate of the guide system comprises a transverse slot 314, passing through the plate from one side and disposed perpendicularly to the grooves 313, for the passage of the blades of all the first cutting and locking systems.
- the cylinders are arranged side by side so that the rods are centered along the first channels C1, substantially perpendicularly to the first guide plane P1.
- the first plate further has on its second main face a row of cylindrical recesses 315 for the passage of the cylinder rods, the bottom of each recess being traversed by the transverse slot 314 and being provided with a circular hole 316 for the passage of the stud, said hole opening on a groove 313 upstream of the slot 314 relative to the direction of movement of the fibers.
- the cutting counter-tools of these first cutting and locking systems 4A are here formed of a transverse bar 47a of elastomer housed in a recess of the first main face 321 of the central plate.
- the blocking counter-tools of these first systems 4A are formed of the same metal bar 48a housed in the same recess as the elastomeric bar, parallel and upstream of the latter. The two bars are substantially flush with the first main surface 321 depending on the thickness of the fibers.
- each first cutting and blocking system is able to move its blade and its pad from a rest position shown in Figure 6, to an active position to cut and block a fiber.
- the blade and the stud are arranged in a recess 315, the cutting edge 311 of the blade and the bearing surface 431 of the stud being spaced apart from the guide channel C1.
- the cylinder rod enters the recess 315, the blade passes through the slot 314 and the stud passes through the hole 316 of the recess.
- the blade slightly longer than the blocking stud abuts against the elastomer bar 47a and cuts the fiber, then the stud abuts by its bearing surface against the metal bar 48a and clamps the fiber upstream of the blade .
- the cylinders of the second cutting and locking systems 4B are fixed by their body to a third cross member 233, in a second transverse row disposed above the first row of cylinders of the first system 4A.
- the rods of the cylinders pass through a bore 231b of the first crossmember 231, the first plate 31 and the central plate 32, so that their blade and their pin can cut and block perpendicularly the fibers of the second layer in the second channels C2 .
- the first plate 31 of the guide system comprises a transverse row of through holes 317 arranged in staggered relation to the recesses 315, and upstream of the latter relative to the direction of travel of the fibers. These holes open on the second main face between the grooves 313.
- the second plate has on its first main face 321 a transverse row of cylindrical recesses 325, disposed upstream of the cutting and locking against-tools 47a, 48a.
- the recesses 325 and the holes 317 are aligned and their axes are arranged perpendicularly to the second main face 322 of the central plate.
- the bottom of these recesses 325 is provided with a through hole 326 for the passage of a locking stud, each hole opening into a groove 323.
- a longitudinal slot 324 is formed from the second main face of the central plate for the passage blades, this slot opening partially on the first main face of the central plate.
- the cutting and blocking counter-tools are formed as previously of an elastomer crossbar 47b and a metal bar 48b, housed this time in a recess of the first main face of the central plate.
- the cylinders of these second cutting and locking systems 4B are fixed so that, in the rest position of the jacks, the rods extend in the holes 317 with the studs and blades in the recesses 325.
- the rod When moving towards the active position, the rod enters the recess 325, the blade passes through the slot 324 and the stud through the hole 326.
- the blade slightly longer than the blocking stud bears against the elastomer bar and cuts the fiber, then the fiber upstream of the blade is pinched between the pad and the metal bar.
- the module includes first 5A rerouting systems for rerouting the fibers of the first web.
- these first systems comprise a drive roller 51a and counter rollers 52 mounted at the ends of the pneumatic cylinder rods 54.
- the cylinders are assembled by their body in a row on the first crossbar 231 so that the against-rollers are arranged upstream of the cutting and locking systems 4A, 4B, in a transverse opening 319 ( Figure 11 and 12) through the first plate, each counter-roller being centered along a first channel C1.
- the drive roller 51a is rotatably mounted in a transverse bore of the central plate 32. This bore opens on the first main face 321 opposite the opening 319, and the roller is disposed in the bore tangentially.
- each jack 54 can be controlled individually between a rest position, in which its counter-roller is set back with respect to the guide channel C1, and an active position in which the counter-roller comes to press the fiber against the drive roller. to advance the fiber.
- the second rerouting systems comprise cylinders assembled by their body in a row on a fourth cross member 234 upstream of the first rerouting systems 5A with their counter-rollers arranged in a transverse opening 329 through the central plate, each against-roller being centered along a second channel C2.
- the first outer plate has a shorter length than the other two plates and said opening 328 is formed in a portion of the central plate, of reduced thickness, disposed upstream of the first outer plate. As can be seen in FIG.
- the support systems 55 of the counter-rollers on the cylinder rod laterally have notches 55a to allow the passage of the fibers of the first sheet.
- a roller 51b is rotatably mounted in a transverse bore of the second outer plate 33, tangential to said main surface.
- the two drive rollers are rotated via a belt 84 by a single motor 85 mounted on the plate 10.
- the tension of the belt 84 is adjusted by a system belt tensioning device comprising a pulley 861 mounted at the end of a pivoting arm 862 actuated by a jack 863.
- the operating cylinders of the cutting and guiding systems and the rerouting systems are connected to pneumatic distributors 87 mounted on the plate and controlled by a control unit of the head. This connection is made automatically via the two connection plates 82, 83 during assembly of the module on the plate by the quick locking systems 25. All actuating cylinders are connected by pipes (not shown) at the lower openings of the conduits of the second connection plate 83, while the outlets of the distributors are connected by pipes to the upper openings of the ducts of the first connection plate 82. O-rings at the lower openings of the ducts of the first connection plate will guarantee the tightness of the connections.
- the head further comprises a thermal regulation system 7 comprising cooling means, such as thermoelectric modules with Peltier effect, for cooling the guidance system 4, and heating means for heating the fibers out of the guide system and / or the draper mold upstream of the roller.
- the control system comprises a support 71 in U whose two branches 711 are connected at the end by a support plate 72 on which are mounted thermoelectric modules Peltier effect 73, for example three in number.
- the U-shaped support is equipped at its base 712 with two axes 713 for its pivoting mounting by means of two arms 74 on the ramp of the feed system 6, so that the cold ceramic plates of the modules are arranged in a screw-in position.
- the second outer plate 33 as shown in particular in Figure 5.
- the outputs 73a of the modules will be connected to an electrical circuit, and the modules are covered with a protective plate 75 to be housed in a recess 336 the second main surface 332 of the second outer plate.
- the modules provide cooling of the metal plates, as well as that of the drive rollers 51a, 51b integrated in the central plate and the outer plate.
- the lower threaded rods 282 are advantageously received in lateral notches 751 of the protection plate and the nuts 283 are screwed onto these rods to bear against the protection plate, and thus tighten the protection plate against the guide system.
- the heating means comprise two ducts 76 mounted on the support, equipped with a heating system 77, and intended to be connected to a source of compressed air.
- the two ducts supply a hot air blast nozzle 78 disposed against the support plate 72, opposite the Peltier effect modules. When the support bears against the guiding system, the nozzle directs the flow of hot air towards the roller.
- the support plate advantageously serves as a heat sink for dissipating heat from the hot ceramic plates.
- the plaque support has on its face opposite the modules a plurality of parallel grooves 721 opening on its front edge and interconnected by a transverse groove 722. These grooves 271, 272 are closed by an intermediate plate 79, and the transverse groove is fed end in fresh air through transverse channels 723 intended to be connected via connections 724 to a source of compressed air.
- the module 2 integrates all the elements of the head coming into contact with the fibers.
- the module can easily be disassembled for cleaning, without touching the pneumatic connections of the cylinders, after simply clearing the belt from the drive rollers, and possibly removing the fiber feed and thermal control systems, in case the it is desired to use the head with another clean module.
- the guiding system plates can be removed one by one to clean all surfaces in contact with the fibers and rollers, and possibly to change the counter-tools. After removing the plates, the counter rollers, the pads and the blades are easily accessible and can easily be cleaned. The blades can also easily be changed as described above.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Robotics (AREA)
- Treatment Of Fiber Materials (AREA)
- Moulding By Coating Moulds (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
Description
Claims
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009552242A JP5090473B2 (ja) | 2007-03-06 | 2008-03-03 | 特殊な繊維切断システムを有する繊維貼付ヘッド |
| EP08775617.7A EP2134532B1 (fr) | 2007-03-06 | 2008-03-03 | Tete d'application de fibres avec systemes de coupe de fibres particuliers |
| BRPI0808646A BRPI0808646A8 (pt) | 2007-03-06 | 2008-03-03 | Cabeça de aplicação de fibras com sistemas de corte de fibras particulares |
| RU2009136687/05A RU2476320C2 (ru) | 2007-03-06 | 2008-03-03 | Головка для нанесения волокон с устройствами для разрезания отдельных волокон |
| CN2008800070346A CN101657318B (zh) | 2007-03-06 | 2008-03-03 | 包括用于切割单根纤维的系统的纤维涂敷头 |
| CA002676936A CA2676936A1 (fr) | 2007-03-06 | 2008-03-03 | Tete d'application de fibres avec systemes de coupe de fibres particuliers |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0701626A FR2913365B1 (fr) | 2007-03-06 | 2007-03-06 | Tete d'application de fibres avec systemes de coupe de fibres particuliers |
| FR0701626 | 2007-03-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2008132299A2 true WO2008132299A2 (fr) | 2008-11-06 |
| WO2008132299A3 WO2008132299A3 (fr) | 2008-12-24 |
Family
ID=38582135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR2008/000274 Ceased WO2008132299A2 (fr) | 2007-03-06 | 2008-03-03 | Tete d'application de fibres avec systemes de coupe de fibres particuliers |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US7926537B2 (fr) |
| EP (1) | EP2134532B1 (fr) |
| JP (1) | JP5090473B2 (fr) |
| KR (1) | KR20100015407A (fr) |
| CN (1) | CN101657318B (fr) |
| BR (1) | BRPI0808646A8 (fr) |
| CA (1) | CA2676936A1 (fr) |
| FR (1) | FR2913365B1 (fr) |
| RU (1) | RU2476320C2 (fr) |
| WO (1) | WO2008132299A2 (fr) |
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-
2007
- 2007-03-06 FR FR0701626A patent/FR2913365B1/fr not_active Expired - Fee Related
- 2007-04-25 US US11/740,064 patent/US7926537B2/en not_active Expired - Fee Related
-
2008
- 2008-03-03 RU RU2009136687/05A patent/RU2476320C2/ru not_active IP Right Cessation
- 2008-03-03 KR KR1020097020897A patent/KR20100015407A/ko not_active Withdrawn
- 2008-03-03 EP EP08775617.7A patent/EP2134532B1/fr active Active
- 2008-03-03 WO PCT/FR2008/000274 patent/WO2008132299A2/fr not_active Ceased
- 2008-03-03 JP JP2009552242A patent/JP5090473B2/ja not_active Expired - Fee Related
- 2008-03-03 BR BRPI0808646A patent/BRPI0808646A8/pt not_active Application Discontinuation
- 2008-03-03 CN CN2008800070346A patent/CN101657318B/zh active Active
- 2008-03-03 CA CA002676936A patent/CA2676936A1/fr not_active Abandoned
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013030467A1 (fr) | 2011-09-02 | 2013-03-07 | Coriolis Composites | Tete d'application de fibres avec peigne a languettes flexibles |
| WO2014096562A2 (fr) | 2012-12-21 | 2014-06-26 | Coriolis Composites | Procede de realisation de preformes a partir de fibres munies d'un liant, et machine correspondante |
| CN105358312B (zh) * | 2013-06-18 | 2017-10-24 | 科里奥利合成技术公司 | 具有两个辊的双向纤维施加头 |
| WO2014202845A1 (fr) | 2013-06-18 | 2014-12-24 | Coriolis Composites | Tete d'application de fibres bi-directionnelle a deux rouleaux |
| CN105358312A (zh) * | 2013-06-18 | 2016-02-24 | 科里奥利合成技术公司 | 具有两个辊的双向纤维施加头 |
| WO2015110728A1 (fr) | 2014-01-24 | 2015-07-30 | Coriolis Composites | Procédé de réalisation de préformes a partir de fibres avec application en ligne d'un liant, et machine correspondante |
| WO2016198755A1 (fr) | 2015-06-09 | 2016-12-15 | Coriolis Composites | Cantre pour bobine de fibre |
| US10821682B2 (en) | 2015-10-28 | 2020-11-03 | Coriolis Group | Fiber application machine comprising specific cutting systems |
| WO2017072418A1 (fr) | 2015-10-28 | 2017-05-04 | Coriolis Composites | Machine d'application de fibres avec tête d'application particulière |
| WO2017153643A1 (fr) | 2016-03-07 | 2017-09-14 | Coriolis Composites | Procédé de réalisation de préformes avec application d'un liant sur fibre sèche, et machine correspondante |
| US10894341B2 (en) | 2016-03-07 | 2021-01-19 | Coriolis Group | Method for producing preforms with application of a binder to dry fiber, and corresponding machine |
| US11491741B2 (en) | 2016-09-27 | 2022-11-08 | Coriolis Group | Process for producing composite material parts by impregnating a specific preform |
| US12343944B2 (en) | 2017-09-04 | 2025-07-01 | Coriolis Group | Method for producing a composite material part by oriented needling of a preform |
| WO2019048744A1 (fr) | 2017-09-07 | 2019-03-14 | Coriolis Group | Procédé de réalisation de préformés avec application d'un liant sur fibre sèche formée de plusieurs fibres initiales |
| US11541615B2 (en) | 2018-04-25 | 2023-01-03 | Coriolis Group | Fiber application head comprising heating means associated with functional modules |
| US11701841B2 (en) | 2018-04-25 | 2023-07-18 | Coriolis Group | Fiber application head comprising multiple compaction rollers |
| EP3950285A1 (fr) * | 2020-07-22 | 2022-02-09 | Tsudakoma Kogyo Kabushiki Kaisha | Appareil de placement automatisé de faisceaux de fibres |
| FR3135009A1 (fr) | 2022-05-02 | 2023-11-03 | Coriolis Group | Machine d’application de fibres avec tête d’application équipée d’un système limiteur de tension |
| WO2023214123A1 (fr) | 2022-05-02 | 2023-11-09 | Coriolis Group | Machine d'application de fibres avec tête d'application équipée d'un système limiteur de tension |
| FR3141877A1 (fr) | 2022-11-15 | 2024-05-17 | Coriolis Group | Machine de placement de fibres |
| WO2024105310A1 (fr) | 2022-11-15 | 2024-05-23 | Coriolis Group | Machine et procédé de placement de fibres |
Also Published As
| Publication number | Publication date |
|---|---|
| US20080216963A1 (en) | 2008-09-11 |
| US7926537B2 (en) | 2011-04-19 |
| BRPI0808646A8 (pt) | 2018-02-06 |
| RU2476320C2 (ru) | 2013-02-27 |
| JP5090473B2 (ja) | 2012-12-05 |
| FR2913365A1 (fr) | 2008-09-12 |
| EP2134532A2 (fr) | 2009-12-23 |
| RU2009136687A (ru) | 2011-04-20 |
| CN101657318B (zh) | 2012-12-26 |
| WO2008132299A3 (fr) | 2008-12-24 |
| JP2010520382A (ja) | 2010-06-10 |
| KR20100015407A (ko) | 2010-02-12 |
| FR2913365B1 (fr) | 2013-07-26 |
| CA2676936A1 (fr) | 2008-11-06 |
| CN101657318A (zh) | 2010-02-24 |
| EP2134532B1 (fr) | 2015-12-23 |
| BRPI0808646A2 (pt) | 2014-08-12 |
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