EP1386029A1 - Procede, installation de fabrication de mats et utilisation associee - Google Patents
Procede, installation de fabrication de mats et utilisation associeeInfo
- Publication number
- EP1386029A1 EP1386029A1 EP02724371A EP02724371A EP1386029A1 EP 1386029 A1 EP1386029 A1 EP 1386029A1 EP 02724371 A EP02724371 A EP 02724371A EP 02724371 A EP02724371 A EP 02724371A EP 1386029 A1 EP1386029 A1 EP 1386029A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wick
- installation according
- coil
- wires
- mats
- 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.)
- Withdrawn
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 36
- 238000009434 installation Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims description 14
- 239000011521 glass Substances 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000002131 composite material Substances 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 4
- 230000009172 bursting Effects 0.000 claims description 4
- 230000010355 oscillation Effects 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 2
- 239000011159 matrix material Substances 0.000 claims 1
- 238000004804 winding Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000035508 accumulation Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
- D04H3/03—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments at random
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/002—Inorganic yarns or filaments
- D04H3/004—Glass yarns or filaments
-
- 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]
Definitions
- the present invention relates to the manufacture of mats formed of continuous son and in particular of glass son, as well as the manufacture of composites made with such mats.
- the products known as “mats” are essentially products used as reinforcements in composite materials and most often include glass strands themselves formed from filaments.
- Continuous glass strand mats are well known products and are generally used to make composite products by molding, in particular by compression molding or by injection molding.
- the present invention relates more specifically to an installation for manufacturing such products. It suffices to manufacture both "flat” and “airy” mats
- US Pat. No. 4,368,232 discloses a mat formed by two layers of continuous wires, one from a die and the other from a coil or "roving". It is recalled here that the roving is a winding of a wick formed of more or less glued base wires, around the axis of the coil. According to a characteristic of this patent, the wires coming from the roving are exploded by means of a fixed nozzle supplied with compressed air which lets the wire fall by gravity onto a conveyor belt situated below. Also known is US Pat. No. 3,265,482 which describes a machine for projecting continuous glass wire onto a carpet. More precisely, the machine allows the wire to be deposited over the entire width of the belt which runs below the machine. The wire comes directly from the dies, so that large quantities of wire can be deposited on the carpet.
- mats as defined above.
- US Patent 4,158,557 describes a machine for manufacturing mats from wire from at least one die or from rovings.
- the wire projection device on the belt "sweeps" the conveyor belt transversely; the particularity of this installation is a variation in the speed of projection of the wire onto the conveyor belt.
- US Patents 4,345,927 and US 5,051,122 disclose this same type of machine with improvements in the projection member itself. More specifically, the solution envisaged in US Pat. No. 4,345,927 consists in projecting the wire onto a so-called rebound plate, given its function.
- the wire preferably comes from a die and is driven by a set of wheels then accelerated by a nozzle type device. Again the nozzle and the plate are animated in a transverse movement ensuring the distribution of the wire on the belt. This movement does not ensure a homogeneous distribution of the threads on the carpet, the edges receiving less thread than the central part of the carpet.
- the present invention moreover having the particularity of being able to process wires from rovings (or coils), it is possible to obtain small productions of mats, for example mats produced from expensive and / or specific wires. It is possible, for example, to associate the installation with one or more rovings, thus to manufacture mat in a limited quantity, with the advantageous characteristics which will be mentioned below, then to switch to another production carried out from 'other rovings that is to say other basic son. As has already been briefly mentioned, the major difficulty encountered with this type of production relates to the separation of the basic wires constituting the wire (or wick) wound around the roving.
- the roving is usually unwound from the inside, which is the simplest method a priori.
- this method creates a twist in the wick right out of the roving. This affects the quality of the mat produced, even if a nozzle is provided to better burst the wick.
- the present invention relates to another concept based on an unwinding of the roving from the outside. This avoids any twisting of the wick, so that the basic wires are less integral as soon as they leave the roving.
- an appropriate subsequent treatment results in complete separation of the basic wires thus projected onto the conveyor belt.
- the treatment of wicks from rovings generally induces a process stop as soon as a roving is unwound. Human intervention is then necessary to replace the "empty"roving; this takes time so lowers the production rate.
- the subject of the invention is an installation for manufacturing masts formed from continuous wires coming from coils and projected onto a conveyor belt, comprising:
- said means for guiding, pulling and projecting the wick are fixed, located in the extension of each other and at the same level, the projecting means comprises an oscillating arm intended to project the wire transversely to the conveyor belt and the guide means of the wick is arranged so that the wick unwinds from the outside of the spool.
- the installation according to the invention may comprise means for controlling and varying the speed of the axis of said coil, depending in particular on the outside diameter of the coil.
- the installation comprises a means for synchronizing the speeds of the wick leaving the coil and of the wick in the traction means which is controlled by the coil.
- the installation may include a means for detecting the presence of the wick, disposed downstream of the or each coil.
- the wire traction means comprises three pulleys (or buckets) whose axes are horizontal, parallel to each other, and a motor for driving said buckets.
- the installation further comprises a means for blocking the wick when the latter has a diameter greater than a given threshold.
- a cutting tool associated with the blocking means and arranged downstream thereof, is intended to cut the wick when the latter is blocked by the blocking means. Additionally, the installation may include a means for detecting the movement of the wick, arranged downstream of the locking means and associated with the wire projection means.
- the oscillating arm of the means for projecting the wire onto the conveyor belt carries a nozzle equipped with means for supplying compressed air and water.
- Compressed air promotes bursting of the wick more evenly and more reliably. Water increases the angle of fall of the burst wick.
- said nozzle may include a venturi disposed between the means for supplying compressed air and water.
- the swinging arm further carries a rebound plate placed downstream of said nozzle.
- the installation comprises two coils each associated with a means of pulling the wick; and said coils are actuated successively. More specifically, each means of pulling the wick is associated with a presence detection means, a locking means and a cutting tool.
- the invention further relates to a method of manufacturing mats formed from continuous wires coming from at least one coil and projected onto a conveyor belt successively comprising the following steps:
- the five stages are carried out substantially in the same plane and at the same level, the unwinding of the reel is carried out from the outside, and the projection of the wires is carried out by an arm whose axis of oscillation is fixed.
- the pulling speed of the wick and its unwinding speed are synchronized.
- a regular projection of wire is thus obtained, which generates a high quality mat.
- An additional characteristic of the process consists in detecting the end of the unwinding of each reel (or roving).
- anomalies in the diameter of the unwound wick are further detected and the wick is cut as soon as an anomaly is detected.
- the anomalies thus detected can be loops, knots in the wick.
- the method according to the invention also consists in alternately operating two groups of components in order to unwind successively a large number of coils coming alternately from these two groups.
- FIG. 1 is an overall diagram of an embodiment of the invention
- - Figure 2 is a top view of part of the installation according to the invention; and - Figure 3 is a simplified side view of a nozzle according to an embodiment of the invention.
- Figure 1 shows the main components of an installation according to the invention.
- a coil 1 also called a roving in the rest of this text is linked to a vertical axis 2 which is driven by a motor 3.
- the orientation of axis 2 of the coil can be arbitrary.
- the coil 1 is formed by a winding (symbolized by a grid in Figure 1) for example consisting of a wick 4 of glass son.
- the material constituting the wires (base) is a fiber glass such as glass E or alkaline-resistant glass called AR glass, which comprises at least 5 mol% of ZrO 2 .
- AR glass alkaline-resistant glass
- the wick 4 is unwound when unwound, that is to say from the outside of the winding, as shown diagrammatically in FIG. 1.
- the traction means 7 may comprise three pulleys 71, 72, 73 or buckets around which the wick 4 is partially and successively wound.
- the buckets 71, 72, 73 each have a horizontal or substantially horizontal axis.
- the axes of the buckets must be parallel to each other. They are preferably horizontal.
- the means 7, also called a deliverer by specialists in the field, further comprises a motor 74 for driving the buckets 71, 72, 73.
- a drive belt (not referenced) can be used to transmit the movement.
- the motor 74 drives the buckets 71, 72, 73 at constant speed and it is synchronized (by any means known per se) with the motor 3 for driving the coil 1 which, in turn, delivers a variable speed of rotation of the coil .
- the linear (constant) speed of the wick 4 at the device 7 is of the order of 8 m / s and, depending on the outside diameter of the coil 1, the angular speed of the wick leaving the coil 1 varies from 500 rpm to 1500 rpm.
- the means 7 therefore guarantees a constant production rate.
- a means 9 for detecting the presence of the wick 4 can be provided, disposed between the coil 1 and the means 7 of traction. This element 9 makes it possible to detect the end of the unwinding of a reel 1. This event triggers different commands in order to start unwinding another reel, as will be explained in more detail below.
- a means 11 for detecting an anomaly as to the diameter of the wick is placed between the means 7 of traction and the means 8 of projection.
- the means 11 can be an eyelet of a given diameter, through which a wick of at most equal diameter can therefore pass.
- any agglomerates or other accumulations (knots, loops ...) around the wick will not pass through the means 11, will remain blocked.
- These anomalies can result from a bad unwinding of the wick, from a bad winding, or from a faulty manufacture of the wick itself.
- a cutting tool (not shown) may possibly be provided in association with the detector 11.
- the projection means 8 has the following features; illustrated in more detail in Figure 3.
- It comprises an input wheel 12, called the deflection wheel which changes the orientation of the wick 4 from the horizontal direction to a vertical direction.
- an oscillating member 13 animated by a flapping movement around a horizontal axis O, as indicated by the arrow F in FIG. 1.
- the oscillating member as shown in more detail in FIG. 3 comprises an arm (not shown) on which is fixed a nozzle 16 to which a rebound plate 20 can be associated.
- the arm 13 is fixed by any suitable means on the 'axis of a motor 15 (visible in Figure 2) which causes it to oscillate.
- a holding element 14 such as a flange is fixed on the hub of a motor 15 (visible in FIG. 2) which drives it in rotation.
- a nozzle 16 for bursting the wick 4.
- One or more connecting elements are provided for this purpose.
- the nozzle 16 comprises a tubular body provided with a venturi 17 for popping the wick 4 into its basic wires.
- the wick 4 by longitudinally crossing the nozzle 16 is exploded, so that at the outlet of the nozzle, it is its basic wires which are projected, possibly after bouncing on the plate 20, on the conveyor belt 10 located below .
- Air 18 and water 19 feeds into the nozzle the air supply 18 is located towards the inlet of the wick 4 in the nozzle 16 while the water supply 19 is placed towards the outlet of the wick 4 outside of nozzle 16.
- the air supply 18, associated with the venturi arranged just downstream, allows the wick to burst.
- the water supply 19 makes it possible to weigh down the wick or rather the basic wires which are projected onto the belt 10 as indicated by the arrows A in FIG. 1.
- a dilute aqueous solution or dispersion containing an active substance can be via the feed 19.
- This solution can then give the mat special properties such as the formation of a thin film on the surface, or better compatibility with the material to be reinforced.
- the air flow rate is of the order of 12 m 3 / h.
- the water flow rate is around 30 liters per hour.
- the oscillating member 13 can be fitted with a rebound plate 20 linked to the nozzle 16 and located near the outlet of the nozzle.
- the wick not fully exploded, thus strikes the plate 20 and completely explodes it so that the basic wires are projected in a well dispersed and well homogeneous manner, onto the belt 10 which runs below.
- a coupling 14 makes it possible to adjust the angle between the rebound plate 20 and the nozzle 16 in order to direct the bundle of basic wires from the outlet of the nozzle.
- Another interesting characteristic of the invention relates to the continuity in the unwinding of the coils.
- the installation according to the invention can comprise two groups in parallel.
- each group here consists of: a coil 1, the pulleys 5, 6, the traction means 7, the detector 11, the deflection wheel 12, and the nozzle 16.
- the detector 9 detects an absence of a wick 4 at its level, this triggers the stopping of the various aforementioned elements which brought the wick into the nozzle 16; simultaneously, this detection triggers the start-up of the other group of elements (mounted in series) parallel to the first group and which unwind a second coil 1, and bring another wick 4 into another nozzle 16. This alternation represents a considerable gain in production since it allows almost continuous cutting of the wire on the belt 10.
- the same motor 74 alternately operates a reel or the other; and an inverter (not shown) passes the air and the supply liquid from one nozzle 16 to the other, at the time of the alternation.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Treatment Of Fiber Materials (AREA)
- Nonwoven Fabrics (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Laminated Bodies (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0104966 | 2001-04-11 | ||
FR0104966A FR2823510B1 (fr) | 2001-04-11 | 2001-04-11 | Procede, installation de fabrication de mats et utilisation associee |
PCT/FR2002/000966 WO2002084005A1 (fr) | 2001-04-11 | 2002-03-20 | Procede, installation de fabrication de mats et utilisation associee |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1386029A1 true EP1386029A1 (fr) | 2004-02-04 |
Family
ID=8862227
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02724371A Withdrawn EP1386029A1 (fr) | 2001-04-11 | 2002-03-20 | Procede, installation de fabrication de mats et utilisation associee |
Country Status (14)
Country | Link |
---|---|
US (2) | US7069628B2 (fr) |
EP (1) | EP1386029A1 (fr) |
JP (1) | JP2004528493A (fr) |
KR (1) | KR100845908B1 (fr) |
CN (1) | CN1537187A (fr) |
AU (1) | AU2002255066A2 (fr) |
BR (1) | BR0208705A (fr) |
CZ (1) | CZ20032753A3 (fr) |
FR (1) | FR2823510B1 (fr) |
MX (1) | MXPA03009214A (fr) |
RU (1) | RU2283907C2 (fr) |
SK (1) | SK12342003A3 (fr) |
WO (1) | WO2002084005A1 (fr) |
ZA (1) | ZA200307611B (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2864070B1 (fr) * | 2003-12-17 | 2006-02-10 | Saint Gobain Vetrotex | Fabrication de mats a fils continus |
FR2919879B1 (fr) * | 2007-08-07 | 2010-09-17 | Saint Gobain Vetrotex France S A | Complexe aiguillete |
NL1037958C2 (en) * | 2010-05-12 | 2011-11-15 | Willem Frans Mast | A method and a system for producing a mat of fibrous material. |
CN105852550A (zh) * | 2016-06-06 | 2016-08-17 | 瑞安市瑞申机械实业公司 | 无纺布枕垫生产设备 |
JP7451352B2 (ja) * | 2020-08-27 | 2024-03-18 | 津田駒工業株式会社 | 繊維強化複合材料の連続成形装置 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3883333A (en) * | 1973-10-25 | 1975-05-13 | Ppg Industries Inc | Method and apparatus for forming a uniform glass fiber continuous mat |
JPS5282915A (en) * | 1975-12-30 | 1977-07-11 | Kanebo Ltd | Composite of alkaliiproof glass and alkaliiproof glass fibers |
US4158557A (en) * | 1978-04-26 | 1979-06-19 | Ppg Industries, Inc. | Method and apparatus for forming fiber mat |
US4404717A (en) * | 1980-12-11 | 1983-09-20 | Ppg Industries, Inc. | Environmental control of needled mat production |
US4345927A (en) * | 1980-12-31 | 1982-08-24 | Ppg Industries, Inc. | Apparatus and process for use preparing a continuous strand mat |
GB8301450D0 (en) * | 1983-01-19 | 1983-02-23 | Ici Plc | Fibre-reinforced cementitious compositions |
US4555492A (en) * | 1983-04-22 | 1985-11-26 | Manville Service Corporation | High temperature refractory fiber |
US4558015A (en) * | 1983-04-22 | 1985-12-10 | Manville Service Corporation | Chemically resistant refractory fiber |
US4692375A (en) * | 1985-09-27 | 1987-09-08 | Azdel, Inc. | Thermoplastic sheet |
CA2028423C (fr) * | 1989-11-13 | 1994-08-16 | William L. Schaefer | Alimentateurs de fibres de verre acommande programmable et methodes ameliorees de fabrication de nattes de fibres de verre |
US5051122A (en) * | 1990-01-03 | 1991-09-24 | Ppg Industries, Inc. | Method and apparatus for manufacturing continuous fiber glass strand reinforcing mat |
FI87585C (fi) * | 1991-06-06 | 1993-01-25 | Mc Konerakennus Oy | Anordning foer tillverkning av vikt flormatta |
FR2705655B1 (fr) * | 1993-05-26 | 1995-08-25 | Aerospatiale | Machine pour le bobinage-déposé au contact simultané d'une pluralité de fils individuels. |
FR2738241B1 (fr) * | 1995-09-01 | 1998-03-20 | Vetrotex France Sa | Fils de verre de renforcement et composites resistant en milieu corrosif |
DE19942121A1 (de) * | 1999-09-03 | 2001-03-08 | Iro Patent Ag Baar | Verfahren zum Steuern eines Fadenverarbeitungssystems und Fadenverarbeitungssystem |
-
2001
- 2001-04-11 FR FR0104966A patent/FR2823510B1/fr not_active Expired - Fee Related
-
2002
- 2002-03-20 BR BR0208705-7A patent/BR0208705A/pt not_active IP Right Cessation
- 2002-03-20 RU RU2003132689/12A patent/RU2283907C2/ru not_active IP Right Cessation
- 2002-03-20 AU AU2002255066A patent/AU2002255066A2/en not_active Abandoned
- 2002-03-20 CN CNA028080572A patent/CN1537187A/zh active Pending
- 2002-03-20 WO PCT/FR2002/000966 patent/WO2002084005A1/fr active Application Filing
- 2002-03-20 MX MXPA03009214A patent/MXPA03009214A/es unknown
- 2002-03-20 US US10/474,342 patent/US7069628B2/en not_active Expired - Fee Related
- 2002-03-20 KR KR1020037012949A patent/KR100845908B1/ko not_active IP Right Cessation
- 2002-03-20 CZ CZ20032753A patent/CZ20032753A3/cs unknown
- 2002-03-20 JP JP2002581736A patent/JP2004528493A/ja not_active Ceased
- 2002-03-20 SK SK1234-2003A patent/SK12342003A3/sk unknown
- 2002-03-20 EP EP02724371A patent/EP1386029A1/fr not_active Withdrawn
-
2003
- 2003-09-30 ZA ZA200307611A patent/ZA200307611B/en unknown
-
2006
- 2006-03-22 US US11/385,840 patent/US20060172644A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO02084005A1 * |
Also Published As
Publication number | Publication date |
---|---|
US7069628B2 (en) | 2006-07-04 |
RU2003132689A (ru) | 2005-03-10 |
FR2823510A1 (fr) | 2002-10-18 |
US20040154147A1 (en) | 2004-08-12 |
FR2823510B1 (fr) | 2003-06-06 |
KR100845908B1 (ko) | 2008-07-11 |
CZ20032753A3 (cs) | 2004-01-14 |
JP2004528493A (ja) | 2004-09-16 |
BR0208705A (pt) | 2004-07-20 |
RU2283907C2 (ru) | 2006-09-20 |
SK12342003A3 (sk) | 2004-05-04 |
US20060172644A1 (en) | 2006-08-03 |
AU2002255066A2 (en) | 2002-10-28 |
ZA200307611B (en) | 2004-09-03 |
CN1537187A (zh) | 2004-10-13 |
KR20040025671A (ko) | 2004-03-24 |
MXPA03009214A (es) | 2004-01-29 |
WO2002084005A1 (fr) | 2002-10-24 |
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